Merge tag 'pull-riscv-to-apply-20230505-1' of https://github.com/alistair23/qemu into staging

First RISC-V PR for 8.1

* CPURISCVState related cleanup and simplification
* Refactor Zicond and reuse in XVentanaCondOps
* Fix invalid riscv,event-to-mhpmcounters entry
* Support subsets of code size reduction extension
* Fix itrigger when icount is used
* Simplification for RVH related check and code style fix
* Add signature dump function for spike to run ACT tests
* Rework MISA writing
* Fix mstatus.MPP related support
* Use check for relationship between Zdinx/Zhinx{min} and Zfinx
* Fix the H extension TVM trap
* A large collection of mstatus sum changes and cleanups
* Zero init APLIC internal state
* Implement query-cpu-definitions
* Restore the predicate() NULL check behavior
* Fix Guest Physical Address Translation
* Make sure an exception is raised if a pte is malformed
* Add Ventana's Veyron V1 CPU

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# gpg: Signature made Fri 05 May 2023 01:53:35 AM BST
# gpg:                using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6AE9 02B6 A7CA 877D 6D65  9296 AF7C 9513 0C53 8013

* tag 'pull-riscv-to-apply-20230505-1' of https://github.com/alistair23/qemu: (89 commits)
  target/riscv: add Ventana's Veyron V1 CPU
  riscv: Make sure an exception is raised if a pte is malformed
  target/riscv: Fix Guest Physical Address Translation
  target/riscv: Restore the predicate() NULL check behavior
  target/riscv: add TYPE_RISCV_DYNAMIC_CPU
  target/riscv: add query-cpy-definitions support
  target/riscv: add CPU QOM header
  hw/intc/riscv_aplic: Zero init APLIC internal state
  target/riscv: Reorg sum check in get_physical_address
  target/riscv: Reorg access check in get_physical_address
  target/riscv: Merge checks for reserved pte flags
  target/riscv: Don't modify SUM with is_debug
  target/riscv: Suppress pte update with is_debug
  target/riscv: Move leaf pte processing out of level loop
  target/riscv: Hoist pbmte and hade out of the level loop
  target/riscv: Hoist second stage mode change to callers
  target/riscv: Check SUM in the correct register
  target/riscv: Set MMU_2STAGE_BIT in riscv_cpu_mmu_index
  target/riscv: Move hstatus.spvp check to check_access_hlsv
  target/riscv: Introduce mmuidx_2stage
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

MAINTAINERS

@@ -328,7 +328,7 @@ F: target/riscv/xthead*.decode
 RISC-V XVentanaCondOps extension
 M: Philipp Tomsich <philipp.tomsich@vrull.eu>
 L: qemu-riscv@nongnu.org
-S: Supported
+S: Maintained
 F: target/riscv/XVentanaCondOps.decode
 F: target/riscv/insn_trans/trans_xventanacondops.c.inc
 

disas/riscv.c

@@ -163,6 +163,13 @@ typedef enum {
     rv_codec_v_i,
     rv_codec_vsetvli,
     rv_codec_vsetivli,
+    rv_codec_zcb_ext,
+    rv_codec_zcb_mul,
+    rv_codec_zcb_lb,
+    rv_codec_zcb_lh,
+    rv_codec_zcmp_cm_pushpop,
+    rv_codec_zcmp_cm_mv,
+    rv_codec_zcmt_jt,
 } rv_codec;
 
 typedef enum {
@@ -935,6 +942,26 @@ typedef enum {
     rv_op_vsetvli = 766,
     rv_op_vsetivli = 767,
     rv_op_vsetvl = 768,
+    rv_op_c_zext_b = 769,
+    rv_op_c_sext_b = 770,
+    rv_op_c_zext_h = 771,
+    rv_op_c_sext_h = 772,
+    rv_op_c_zext_w = 773,
+    rv_op_c_not = 774,
+    rv_op_c_mul = 775,
+    rv_op_c_lbu = 776,
+    rv_op_c_lhu = 777,
+    rv_op_c_lh = 778,
+    rv_op_c_sb = 779,
+    rv_op_c_sh = 780,
+    rv_op_cm_push = 781,
+    rv_op_cm_pop = 782,
+    rv_op_cm_popret = 783,
+    rv_op_cm_popretz = 784,
+    rv_op_cm_mva01s = 785,
+    rv_op_cm_mvsa01 = 786,
+    rv_op_cm_jt = 787,
+    rv_op_cm_jalt = 788,
 } rv_op;
 
 /* structures */
@@ -958,6 +985,7 @@ typedef struct {
     uint8_t   rnum;
     uint8_t   vm;
     uint32_t  vzimm;
+    uint8_t   rlist;
 } rv_decode;
 
 typedef struct {
@@ -1071,6 +1099,10 @@ static const char rv_vreg_name_sym[32][4] = {
 #define rv_fmt_vd_vm                  "O\tDm"
 #define rv_fmt_vsetvli                "O\t0,1,v"
 #define rv_fmt_vsetivli               "O\t0,u,v"
+#define rv_fmt_rs1_rs2_zce_ldst       "O\t2,i(1)"
+#define rv_fmt_push_rlist             "O\tx,-i"
+#define rv_fmt_pop_rlist              "O\tx,i"
+#define rv_fmt_zcmt_index             "O\ti"
 
 /* pseudo-instruction constraints */
 
@@ -2066,7 +2098,27 @@ const rv_opcode_data opcode_data[] = {
     { "vsext.vf8", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vsext_vf8, rv_op_vsext_vf8, 0 },
     { "vsetvli", rv_codec_vsetvli, rv_fmt_vsetvli, NULL, rv_op_vsetvli, rv_op_vsetvli, 0 },
     { "vsetivli", rv_codec_vsetivli, rv_fmt_vsetivli, NULL, rv_op_vsetivli, rv_op_vsetivli, 0 },
-    { "vsetvl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, rv_op_vsetvl, rv_op_vsetvl, 0 }
+    { "vsetvl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, rv_op_vsetvl, rv_op_vsetvl, 0 },
+    { "c.zext.b", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
+    { "c.sext.b", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
+    { "c.zext.h", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
+    { "c.sext.h", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
+    { "c.zext.w", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
+    { "c.not", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
+    { "c.mul", rv_codec_zcb_mul, rv_fmt_rd_rs2, NULL, 0, 0 },
+    { "c.lbu", rv_codec_zcb_lb, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
+    { "c.lhu", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
+    { "c.lh", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
+    { "c.sb", rv_codec_zcb_lb, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
+    { "c.sh", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
+    { "cm.push", rv_codec_zcmp_cm_pushpop, rv_fmt_push_rlist, NULL, 0, 0 },
+    { "cm.pop", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0 },
+    { "cm.popret", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0, 0 },
+    { "cm.popretz", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0 },
+    { "cm.mva01s", rv_codec_zcmp_cm_mv, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
+    { "cm.mvsa01", rv_codec_zcmp_cm_mv, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
+    { "cm.jt", rv_codec_zcmt_jt, rv_fmt_zcmt_index, NULL, 0 },
+    { "cm.jalt", rv_codec_zcmt_jt, rv_fmt_zcmt_index, NULL, 0 },
 };
 
 /* CSR names */
@@ -2085,6 +2137,7 @@ static const char *csr_name(int csrno)
     case 0x000a: return "vxrm";
     case 0x000f: return "vcsr";
     case 0x0015: return "seed";
+    case 0x0017: return "jvt";
     case 0x0040: return "uscratch";
     case 0x0041: return "uepc";
     case 0x0042: return "ucause";
@@ -2307,6 +2360,24 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
                 op = rv_op_c_ld;
             }
             break;
+        case 4:
+            switch ((inst >> 10) & 0b111) {
+            case 0: op = rv_op_c_lbu; break;
+            case 1:
+                if (((inst >> 6) & 1) == 0) {
+                    op = rv_op_c_lhu;
+                } else {
+                    op = rv_op_c_lh;
+                }
+                break;
+            case 2: op = rv_op_c_sb; break;
+            case 3:
+                if (((inst >> 6) & 1) == 0) {
+                    op = rv_op_c_sh;
+                }
+                break;
+            }
+            break;
         case 5:
             if (isa == rv128) {
                 op = rv_op_c_sq;
@@ -2363,6 +2434,17 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
                 case 3: op = rv_op_c_and; break;
                 case 4: op = rv_op_c_subw; break;
                 case 5: op = rv_op_c_addw; break;
+                case 6: op = rv_op_c_mul; break;
+                case 7:
+                    switch ((inst >> 2) & 0b111) {
+                    case 0: op = rv_op_c_zext_b; break;
+                    case 1: op = rv_op_c_sext_b; break;
+                    case 2: op = rv_op_c_zext_h; break;
+                    case 3: op = rv_op_c_sext_h; break;
+                    case 4: op = rv_op_c_zext_w; break;
+                    case 5: op = rv_op_c_not; break;
+                    }
+                    break;
                 }
                 break;
             }
@@ -2418,6 +2500,46 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
                 op = rv_op_c_sqsp;
             } else {
                 op = rv_op_c_fsdsp;
+                if (((inst >> 12) & 0b01)) {
+                    switch ((inst >> 8) & 0b01111) {
+                    case 8:
+                        if (((inst >> 4) & 0b01111) >= 4) {
+                            op = rv_op_cm_push;
+                        }
+                        break;
+                    case 10:
+                        if (((inst >> 4) & 0b01111) >= 4) {
+                            op = rv_op_cm_pop;
+                        }
+                        break;
+                    case 12:
+                        if (((inst >> 4) & 0b01111) >= 4) {
+                            op = rv_op_cm_popretz;
+                        }
+                        break;
+                    case 14:
+                        if (((inst >> 4) & 0b01111) >= 4) {
+                            op = rv_op_cm_popret;
+                        }
+                        break;
+                    }
+                } else {
+                    switch ((inst >> 10) & 0b011) {
+                    case 0:
+                        if (((inst >> 2) & 0xFF) >= 32) {
+                            op = rv_op_cm_jalt;
+                        } else {
+                            op = rv_op_cm_jt;
+                        }
+                        break;
+                    case 3:
+                        switch ((inst >> 5) & 0b011) {
+                        case 1: op = rv_op_cm_mvsa01; break;
+                        case 3: op = rv_op_cm_mva01s; break;
+                        }
+                        break;
+                    }
+                }
             }
             break;
         case 6: op = rv_op_c_swsp; break;
@@ -3662,6 +3784,21 @@ static uint32_t operand_crs2q(rv_inst inst)
     return (inst << 59) >> 61;
 }
 
+static uint32_t calculate_xreg(uint32_t sreg)
+{
+    return sreg < 2 ? sreg + 8 : sreg + 16;
+}
+
+static uint32_t operand_sreg1(rv_inst inst)
+{
+    return calculate_xreg((inst << 54) >> 61);
+}
+
+static uint32_t operand_sreg2(rv_inst inst)
+{
+    return calculate_xreg((inst << 59) >> 61);
+}
+
 static uint32_t operand_crd(rv_inst inst)
 {
     return (inst << 52) >> 59;
@@ -3884,6 +4021,46 @@ static uint32_t operand_vm(rv_inst inst)
     return (inst << 38) >> 63;
 }
 
+static uint32_t operand_uimm_c_lb(rv_inst inst)
+{
+    return (((inst << 58) >> 63) << 1) |
+        ((inst << 57) >> 63);
+}
+
+static uint32_t operand_uimm_c_lh(rv_inst inst)
+{
+    return (((inst << 58) >> 63) << 1);
+}
+
+static uint32_t operand_zcmp_spimm(rv_inst inst)
+{
+    return ((inst << 60) >> 62) << 4;
+}
+
+static uint32_t operand_zcmp_rlist(rv_inst inst)
+{
+    return ((inst << 56) >> 60);
+}
+
+static uint32_t calculate_stack_adj(rv_isa isa, uint32_t rlist, uint32_t spimm)
+{
+    int xlen_bytes_log2 = isa == rv64 ? 3 : 2;
+    int regs = rlist == 15 ? 13 : rlist - 3;
+    uint32_t stack_adj_base = ROUND_UP(regs << xlen_bytes_log2, 16);
+    return stack_adj_base + spimm;
+}
+
+static uint32_t operand_zcmp_stack_adj(rv_inst inst, rv_isa isa)
+{
+    return calculate_stack_adj(isa, operand_zcmp_rlist(inst),
+                               operand_zcmp_spimm(inst));
+}
+
+static uint32_t operand_tbl_index(rv_inst inst)
+{
+    return ((inst << 54) >> 56);
+}
+
 /* decode operands */
 
 static void decode_inst_operands(rv_decode *dec, rv_isa isa)
@@ -4200,6 +4377,34 @@ static void decode_inst_operands(rv_decode *dec, rv_isa isa)
         dec->imm = operand_vimm(inst);
         dec->vzimm = operand_vzimm10(inst);
         break;
+    case rv_codec_zcb_lb:
+        dec->rs1 = operand_crs1q(inst) + 8;
+        dec->rs2 = operand_crs2q(inst) + 8;
+        dec->imm = operand_uimm_c_lb(inst);
+        break;
+    case rv_codec_zcb_lh:
+        dec->rs1 = operand_crs1q(inst) + 8;
+        dec->rs2 = operand_crs2q(inst) + 8;
+        dec->imm = operand_uimm_c_lh(inst);
+        break;
+    case rv_codec_zcb_ext:
+        dec->rd = operand_crs1q(inst) + 8;
+        break;
+    case rv_codec_zcb_mul:
+        dec->rd = operand_crs1rdq(inst) + 8;
+        dec->rs2 = operand_crs2q(inst) + 8;
+        break;
+    case rv_codec_zcmp_cm_pushpop:
+        dec->imm = operand_zcmp_stack_adj(inst, isa);
+        dec->rlist = operand_zcmp_rlist(inst);
+        break;
+    case rv_codec_zcmp_cm_mv:
+        dec->rd = operand_sreg1(inst);
+        dec->rs2 = operand_sreg2(inst);
+        break;
+    case rv_codec_zcmt_jt:
+        dec->imm = operand_tbl_index(inst);
+        break;
     };
 }
 
@@ -4359,6 +4564,9 @@ static void format_inst(char *buf, size_t buflen, size_t tab, rv_decode *dec)
         case ')':
             append(buf, ")", buflen);
             break;
+        case '-':
+            append(buf, "-", buflen);
+            break;
         case 'b':
             snprintf(tmp, sizeof(tmp), "%d", dec->bs);
             append(buf, tmp, buflen);
@@ -4542,6 +4750,24 @@ static void format_inst(char *buf, size_t buflen, size_t tab, rv_decode *dec)
             append(buf, vma, buflen);
             break;
         }
+        case 'x': {
+            switch (dec->rlist) {
+            case 4:
+                snprintf(tmp, sizeof(tmp), "{ra}");
+                break;
+            case 5:
+                snprintf(tmp, sizeof(tmp), "{ra, s0}");
+                break;
+            case 15:
+                snprintf(tmp, sizeof(tmp), "{ra, s0-s11}");
+                break;
+            default:
+                snprintf(tmp, sizeof(tmp), "{ra, s0-s%d}", dec->rlist - 5);
+                break;
+            }
+            append(buf, tmp, buflen);
+            break;
+        }
         default:
             break;
         }

hw/char/riscv_htif.c

@@ -29,6 +29,8 @@
 #include "chardev/char-fe.h"
 #include "qemu/timer.h"
 #include "qemu/error-report.h"
+#include "exec/address-spaces.h"
+#include "sysemu/dma.h"
 
 #define RISCV_DEBUG_HTIF 0
 #define HTIF_DEBUG(fmt, ...)                                                   \
@@ -51,7 +53,10 @@
 /* PK system call number */
 #define PK_SYS_WRITE            64
 
-static uint64_t fromhost_addr, tohost_addr;
+const char *sig_file;
+uint8_t line_size = 16;
+
+static uint64_t fromhost_addr, tohost_addr, begin_sig_addr, end_sig_addr;
 
 void htif_symbol_callback(const char *st_name, int st_info, uint64_t st_value,
                           uint64_t st_size)
@@ -68,6 +73,10 @@ void htif_symbol_callback(const char *st_name, int st_info, uint64_t st_value,
             error_report("HTIF tohost must be 8 bytes");
             exit(1);
         }
+    } else if (strcmp("begin_signature", st_name) == 0) {
+        begin_sig_addr = st_value;
+    } else if (strcmp("end_signature", st_name) == 0) {
+        end_sig_addr = st_value;
     }
 }
 
@@ -163,6 +172,39 @@ static void htif_handle_tohost_write(HTIFState *s, uint64_t val_written)
             if (payload & 0x1) {
                 /* exit code */
                 int exit_code = payload >> 1;
+
+                /*
+                 * Dump signature data if sig_file is specified and
+                 * begin/end_signature symbols exist.
+                 */
+                if (sig_file && begin_sig_addr && end_sig_addr) {
+                    uint64_t sig_len = end_sig_addr - begin_sig_addr;
+                    char *sig_data = g_malloc(sig_len);
+                    dma_memory_read(&address_space_memory, begin_sig_addr,
+                                    sig_data, sig_len, MEMTXATTRS_UNSPECIFIED);
+                    FILE *signature = fopen(sig_file, "w");
+                    if (signature == NULL) {
+                        error_report("Unable to open %s with error %s",
+                                     sig_file, strerror(errno));
+                        exit(1);
+                    }
+
+                    for (int i = 0; i < sig_len; i += line_size) {
+                        for (int j = line_size; j > 0; j--) {
+                            if (i + j <= sig_len) {
+                                fprintf(signature, "%02x",
+                                        sig_data[i + j - 1] & 0xff);
+                            } else {
+                                fprintf(signature, "%02x", 0);
+                            }
+                        }
+                        fprintf(signature, "\n");
+                    }
+
+                    fclose(signature);
+                    g_free(sig_data);
+                }
+
                 exit(exit_code);
             } else {
                 uint64_t syscall[8];

hw/intc/riscv_aplic.c

@@ -803,7 +803,7 @@ static void riscv_aplic_realize(DeviceState *dev, Error **errp)
 
     aplic->bitfield_words = (aplic->num_irqs + 31) >> 5;
     aplic->sourcecfg = g_new0(uint32_t, aplic->num_irqs);
-    aplic->state = g_new(uint32_t, aplic->num_irqs);
+    aplic->state = g_new0(uint32_t, aplic->num_irqs);
     aplic->target = g_new0(uint32_t, aplic->num_irqs);
     if (!aplic->msimode) {
         for (i = 0; i < aplic->num_irqs; i++) {

hw/riscv/spike.c

@@ -332,6 +332,11 @@ static void spike_board_init(MachineState *machine)
                  htif_custom_base);
 }
 
+static void spike_set_signature(Object *obj, const char *val, Error **errp)
+{
+    sig_file = g_strdup(val);
+}
+
 static void spike_machine_instance_init(Object *obj)
 {
 }
@@ -350,6 +355,14 @@ static void spike_machine_class_init(ObjectClass *oc, void *data)
     mc->get_default_cpu_node_id = riscv_numa_get_default_cpu_node_id;
     mc->numa_mem_supported = true;
     mc->default_ram_id = "riscv.spike.ram";
+    object_class_property_add_str(oc, "signature", NULL, spike_set_signature);
+    object_class_property_set_description(oc, "signature",
+                                          "File to write ACT test signature");
+    object_class_property_add_uint8_ptr(oc, "signature-granularity",
+                                        &line_size, OBJ_PROP_FLAG_WRITE);
+    object_class_property_set_description(oc, "signature-granularity",
+                                          "Size of each line in ACT signature "
+                                          "file");
 }
 
 static const TypeInfo spike_machine_typeinfo = {

include/hw/char/riscv_htif.h

@@ -40,6 +40,9 @@ typedef struct HTIFState {
     uint64_t pending_read;
 } HTIFState;
 
+extern const char *sig_file;
+extern uint8_t line_size;
+
 /* HTIF symbol callback */
 void htif_symbol_callback(const char *st_name, int st_info, uint64_t st_value,
     uint64_t st_size);

qapi/machine-target.json

@@ -324,7 +324,8 @@
                    'TARGET_I386',
                    'TARGET_S390X',
                    'TARGET_MIPS',
-                   'TARGET_LOONGARCH64' ] } }
+                   'TARGET_LOONGARCH64',
+                   'TARGET_RISCV' ] } }
 
 ##
 # @query-cpu-definitions:
@@ -341,4 +342,5 @@
                    'TARGET_I386',
                    'TARGET_S390X',
                    'TARGET_MIPS',
-                   'TARGET_LOONGARCH64' ] } }
+                   'TARGET_LOONGARCH64',
+                   'TARGET_RISCV' ] } }

target/riscv/arch_dump.c

@@ -1,4 +1,5 @@
-/* Support for writing ELF notes for RISC-V architectures
+/*
+ * Support for writing ELF notes for RISC-V architectures
  *
  * Copyright (C) 2021 Huawei Technologies Co., Ltd
  *
@@ -180,8 +181,8 @@ int cpu_get_dump_info(ArchDumpInfo *info,
     info->d_class = ELFCLASS32;
 #endif
 
-    info->d_endian = (env->mstatus & MSTATUS_UBE) != 0
-                     ? ELFDATA2MSB : ELFDATA2LSB;
+    info->d_endian = (env->mstatus & MSTATUS_UBE) != 0 ?
+                     ELFDATA2MSB : ELFDATA2LSB;
 
     return 0;
 }

target/riscv/cpu-qom.h

@@ -0,0 +1,71 @@
+/*
+ * QEMU RISC-V CPU QOM header
+ *
+ * Copyright (c) 2023 Ventana Micro Systems Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RISCV_CPU_QOM_H
+#define RISCV_CPU_QOM_H
+
+#include "hw/core/cpu.h"
+#include "qom/object.h"
+
+#define TYPE_RISCV_CPU "riscv-cpu"
+#define TYPE_RISCV_DYNAMIC_CPU "riscv-dynamic-cpu"
+
+#define RISCV_CPU_TYPE_SUFFIX "-" TYPE_RISCV_CPU
+#define RISCV_CPU_TYPE_NAME(name) (name RISCV_CPU_TYPE_SUFFIX)
+#define CPU_RESOLVING_TYPE TYPE_RISCV_CPU
+
+#define TYPE_RISCV_CPU_ANY              RISCV_CPU_TYPE_NAME("any")
+#define TYPE_RISCV_CPU_BASE32           RISCV_CPU_TYPE_NAME("rv32")
+#define TYPE_RISCV_CPU_BASE64           RISCV_CPU_TYPE_NAME("rv64")
+#define TYPE_RISCV_CPU_BASE128          RISCV_CPU_TYPE_NAME("x-rv128")
+#define TYPE_RISCV_CPU_IBEX             RISCV_CPU_TYPE_NAME("lowrisc-ibex")
+#define TYPE_RISCV_CPU_SHAKTI_C         RISCV_CPU_TYPE_NAME("shakti-c")
+#define TYPE_RISCV_CPU_SIFIVE_E31       RISCV_CPU_TYPE_NAME("sifive-e31")
+#define TYPE_RISCV_CPU_SIFIVE_E34       RISCV_CPU_TYPE_NAME("sifive-e34")
+#define TYPE_RISCV_CPU_SIFIVE_E51       RISCV_CPU_TYPE_NAME("sifive-e51")
+#define TYPE_RISCV_CPU_SIFIVE_U34       RISCV_CPU_TYPE_NAME("sifive-u34")
+#define TYPE_RISCV_CPU_SIFIVE_U54       RISCV_CPU_TYPE_NAME("sifive-u54")
+#define TYPE_RISCV_CPU_THEAD_C906       RISCV_CPU_TYPE_NAME("thead-c906")
+#define TYPE_RISCV_CPU_VEYRON_V1        RISCV_CPU_TYPE_NAME("veyron-v1")
+#define TYPE_RISCV_CPU_HOST             RISCV_CPU_TYPE_NAME("host")
+
+#if defined(TARGET_RISCV32)
+# define TYPE_RISCV_CPU_BASE            TYPE_RISCV_CPU_BASE32
+#elif defined(TARGET_RISCV64)
+# define TYPE_RISCV_CPU_BASE            TYPE_RISCV_CPU_BASE64
+#endif
+
+typedef struct CPUArchState CPURISCVState;
+
+OBJECT_DECLARE_CPU_TYPE(RISCVCPU, RISCVCPUClass, RISCV_CPU)
+
+/**
+ * RISCVCPUClass:
+ * @parent_realize: The parent class' realize handler.
+ * @parent_phases: The parent class' reset phase handlers.
+ *
+ * A RISCV CPU model.
+ */
+struct RISCVCPUClass {
+    /*< private >*/
+    CPUClass parent_class;
+    /*< public >*/
+    DeviceRealize parent_realize;
+    ResettablePhases parent_phases;
+};
+#endif /* RISCV_CPU_QOM_H */

target/riscv/cpu.c

@@ -48,15 +48,14 @@ static const char riscv_single_letter_exts[] = "IEMAFDQCPVH";
 
 struct isa_ext_data {
     const char *name;
-    bool multi_letter;
     int min_version;
     int ext_enable_offset;
 };
 
-#define ISA_EXT_DATA_ENTRY(_name, _m_letter, _min_ver, _prop) \
-{#_name, _m_letter, _min_ver, offsetof(struct RISCVCPUConfig, _prop)}
+#define ISA_EXT_DATA_ENTRY(_name, _min_ver, _prop) \
+    {#_name, _min_ver, offsetof(struct RISCVCPUConfig, _prop)}
 
-/**
+/*
  * Here are the ordering rules of extension naming defined by RISC-V
  * specification :
  * 1. All extensions should be separated from other multi-letter extensions
@@ -72,65 +71,73 @@ struct isa_ext_data {
  * 4. Non-standard extensions (starts with 'X') must be listed after all
  *    standard extensions. They must be separated from other multi-letter
  *    extensions by an underscore.
+ *
+ * Single letter extensions are checked in riscv_cpu_validate_misa_priv()
+ * instead.
  */
 static const struct isa_ext_data isa_edata_arr[] = {
-    ISA_EXT_DATA_ENTRY(h, false, PRIV_VERSION_1_12_0, ext_h),
-    ISA_EXT_DATA_ENTRY(v, false, PRIV_VERSION_1_10_0, ext_v),
-    ISA_EXT_DATA_ENTRY(zicbom, true, PRIV_VERSION_1_12_0, ext_icbom),
-    ISA_EXT_DATA_ENTRY(zicboz, true, PRIV_VERSION_1_12_0, ext_icboz),
-    ISA_EXT_DATA_ENTRY(zicond, true, PRIV_VERSION_1_12_0, ext_zicond),
-    ISA_EXT_DATA_ENTRY(zicsr, true, PRIV_VERSION_1_10_0, ext_icsr),
-    ISA_EXT_DATA_ENTRY(zifencei, true, PRIV_VERSION_1_10_0, ext_ifencei),
-    ISA_EXT_DATA_ENTRY(zihintpause, true, PRIV_VERSION_1_10_0, ext_zihintpause),
-    ISA_EXT_DATA_ENTRY(zawrs, true, PRIV_VERSION_1_12_0, ext_zawrs),
-    ISA_EXT_DATA_ENTRY(zfh, true, PRIV_VERSION_1_11_0, ext_zfh),
-    ISA_EXT_DATA_ENTRY(zfhmin, true, PRIV_VERSION_1_12_0, ext_zfhmin),
-    ISA_EXT_DATA_ENTRY(zfinx, true, PRIV_VERSION_1_12_0, ext_zfinx),
-    ISA_EXT_DATA_ENTRY(zdinx, true, PRIV_VERSION_1_12_0, ext_zdinx),
-    ISA_EXT_DATA_ENTRY(zba, true, PRIV_VERSION_1_12_0, ext_zba),
-    ISA_EXT_DATA_ENTRY(zbb, true, PRIV_VERSION_1_12_0, ext_zbb),
-    ISA_EXT_DATA_ENTRY(zbc, true, PRIV_VERSION_1_12_0, ext_zbc),
-    ISA_EXT_DATA_ENTRY(zbkb, true, PRIV_VERSION_1_12_0, ext_zbkb),
-    ISA_EXT_DATA_ENTRY(zbkc, true, PRIV_VERSION_1_12_0, ext_zbkc),
-    ISA_EXT_DATA_ENTRY(zbkx, true, PRIV_VERSION_1_12_0, ext_zbkx),
-    ISA_EXT_DATA_ENTRY(zbs, true, PRIV_VERSION_1_12_0, ext_zbs),
-    ISA_EXT_DATA_ENTRY(zk, true, PRIV_VERSION_1_12_0, ext_zk),
-    ISA_EXT_DATA_ENTRY(zkn, true, PRIV_VERSION_1_12_0, ext_zkn),
-    ISA_EXT_DATA_ENTRY(zknd, true, PRIV_VERSION_1_12_0, ext_zknd),
-    ISA_EXT_DATA_ENTRY(zkne, true, PRIV_VERSION_1_12_0, ext_zkne),
-    ISA_EXT_DATA_ENTRY(zknh, true, PRIV_VERSION_1_12_0, ext_zknh),
-    ISA_EXT_DATA_ENTRY(zkr, true, PRIV_VERSION_1_12_0, ext_zkr),
-    ISA_EXT_DATA_ENTRY(zks, true, PRIV_VERSION_1_12_0, ext_zks),
-    ISA_EXT_DATA_ENTRY(zksed, true, PRIV_VERSION_1_12_0, ext_zksed),
-    ISA_EXT_DATA_ENTRY(zksh, true, PRIV_VERSION_1_12_0, ext_zksh),
-    ISA_EXT_DATA_ENTRY(zkt, true, PRIV_VERSION_1_12_0, ext_zkt),
-    ISA_EXT_DATA_ENTRY(zve32f, true, PRIV_VERSION_1_12_0, ext_zve32f),
-    ISA_EXT_DATA_ENTRY(zve64f, true, PRIV_VERSION_1_12_0, ext_zve64f),
-    ISA_EXT_DATA_ENTRY(zve64d, true, PRIV_VERSION_1_12_0, ext_zve64d),
-    ISA_EXT_DATA_ENTRY(zvfh, true, PRIV_VERSION_1_12_0, ext_zvfh),
-    ISA_EXT_DATA_ENTRY(zvfhmin, true, PRIV_VERSION_1_12_0, ext_zvfhmin),
-    ISA_EXT_DATA_ENTRY(zhinx, true, PRIV_VERSION_1_12_0, ext_zhinx),
-    ISA_EXT_DATA_ENTRY(zhinxmin, true, PRIV_VERSION_1_12_0, ext_zhinxmin),
-    ISA_EXT_DATA_ENTRY(smaia, true, PRIV_VERSION_1_12_0, ext_smaia),
-    ISA_EXT_DATA_ENTRY(ssaia, true, PRIV_VERSION_1_12_0, ext_ssaia),
-    ISA_EXT_DATA_ENTRY(sscofpmf, true, PRIV_VERSION_1_12_0, ext_sscofpmf),
-    ISA_EXT_DATA_ENTRY(sstc, true, PRIV_VERSION_1_12_0, ext_sstc),
-    ISA_EXT_DATA_ENTRY(svadu, true, PRIV_VERSION_1_12_0, ext_svadu),
-    ISA_EXT_DATA_ENTRY(svinval, true, PRIV_VERSION_1_12_0, ext_svinval),
-    ISA_EXT_DATA_ENTRY(svnapot, true, PRIV_VERSION_1_12_0, ext_svnapot),
-    ISA_EXT_DATA_ENTRY(svpbmt, true, PRIV_VERSION_1_12_0, ext_svpbmt),
-    ISA_EXT_DATA_ENTRY(xtheadba, true, PRIV_VERSION_1_11_0, ext_xtheadba),
-    ISA_EXT_DATA_ENTRY(xtheadbb, true, PRIV_VERSION_1_11_0, ext_xtheadbb),
-    ISA_EXT_DATA_ENTRY(xtheadbs, true, PRIV_VERSION_1_11_0, ext_xtheadbs),
-    ISA_EXT_DATA_ENTRY(xtheadcmo, true, PRIV_VERSION_1_11_0, ext_xtheadcmo),
-    ISA_EXT_DATA_ENTRY(xtheadcondmov, true, PRIV_VERSION_1_11_0, ext_xtheadcondmov),
-    ISA_EXT_DATA_ENTRY(xtheadfmemidx, true, PRIV_VERSION_1_11_0, ext_xtheadfmemidx),
-    ISA_EXT_DATA_ENTRY(xtheadfmv, true, PRIV_VERSION_1_11_0, ext_xtheadfmv),
-    ISA_EXT_DATA_ENTRY(xtheadmac, true, PRIV_VERSION_1_11_0, ext_xtheadmac),
-    ISA_EXT_DATA_ENTRY(xtheadmemidx, true, PRIV_VERSION_1_11_0, ext_xtheadmemidx),
-    ISA_EXT_DATA_ENTRY(xtheadmempair, true, PRIV_VERSION_1_11_0, ext_xtheadmempair),
-    ISA_EXT_DATA_ENTRY(xtheadsync, true, PRIV_VERSION_1_11_0, ext_xtheadsync),
-    ISA_EXT_DATA_ENTRY(xventanacondops, true, PRIV_VERSION_1_12_0, ext_XVentanaCondOps),
+    ISA_EXT_DATA_ENTRY(zicbom, PRIV_VERSION_1_12_0, ext_icbom),
+    ISA_EXT_DATA_ENTRY(zicboz, PRIV_VERSION_1_12_0, ext_icboz),
+    ISA_EXT_DATA_ENTRY(zicond, PRIV_VERSION_1_12_0, ext_zicond),
+    ISA_EXT_DATA_ENTRY(zicsr, PRIV_VERSION_1_10_0, ext_icsr),
+    ISA_EXT_DATA_ENTRY(zifencei, PRIV_VERSION_1_10_0, ext_ifencei),
+    ISA_EXT_DATA_ENTRY(zihintpause, PRIV_VERSION_1_10_0, ext_zihintpause),
+    ISA_EXT_DATA_ENTRY(zawrs, PRIV_VERSION_1_12_0, ext_zawrs),
+    ISA_EXT_DATA_ENTRY(zfh, PRIV_VERSION_1_11_0, ext_zfh),
+    ISA_EXT_DATA_ENTRY(zfhmin, PRIV_VERSION_1_11_0, ext_zfhmin),
+    ISA_EXT_DATA_ENTRY(zfinx, PRIV_VERSION_1_12_0, ext_zfinx),
+    ISA_EXT_DATA_ENTRY(zdinx, PRIV_VERSION_1_12_0, ext_zdinx),
+    ISA_EXT_DATA_ENTRY(zca, PRIV_VERSION_1_12_0, ext_zca),
+    ISA_EXT_DATA_ENTRY(zcb, PRIV_VERSION_1_12_0, ext_zcb),
+    ISA_EXT_DATA_ENTRY(zcf, PRIV_VERSION_1_12_0, ext_zcf),
+    ISA_EXT_DATA_ENTRY(zcd, PRIV_VERSION_1_12_0, ext_zcd),
+    ISA_EXT_DATA_ENTRY(zce, PRIV_VERSION_1_12_0, ext_zce),
+    ISA_EXT_DATA_ENTRY(zcmp, PRIV_VERSION_1_12_0, ext_zcmp),
+    ISA_EXT_DATA_ENTRY(zcmt, PRIV_VERSION_1_12_0, ext_zcmt),
+    ISA_EXT_DATA_ENTRY(zba, PRIV_VERSION_1_12_0, ext_zba),
+    ISA_EXT_DATA_ENTRY(zbb, PRIV_VERSION_1_12_0, ext_zbb),
+    ISA_EXT_DATA_ENTRY(zbc, PRIV_VERSION_1_12_0, ext_zbc),
+    ISA_EXT_DATA_ENTRY(zbkb, PRIV_VERSION_1_12_0, ext_zbkb),
+    ISA_EXT_DATA_ENTRY(zbkc, PRIV_VERSION_1_12_0, ext_zbkc),
+    ISA_EXT_DATA_ENTRY(zbkx, PRIV_VERSION_1_12_0, ext_zbkx),
+    ISA_EXT_DATA_ENTRY(zbs, PRIV_VERSION_1_12_0, ext_zbs),
+    ISA_EXT_DATA_ENTRY(zk, PRIV_VERSION_1_12_0, ext_zk),
+    ISA_EXT_DATA_ENTRY(zkn, PRIV_VERSION_1_12_0, ext_zkn),
+    ISA_EXT_DATA_ENTRY(zknd, PRIV_VERSION_1_12_0, ext_zknd),
+    ISA_EXT_DATA_ENTRY(zkne, PRIV_VERSION_1_12_0, ext_zkne),
+    ISA_EXT_DATA_ENTRY(zknh, PRIV_VERSION_1_12_0, ext_zknh),
+    ISA_EXT_DATA_ENTRY(zkr, PRIV_VERSION_1_12_0, ext_zkr),
+    ISA_EXT_DATA_ENTRY(zks, PRIV_VERSION_1_12_0, ext_zks),
+    ISA_EXT_DATA_ENTRY(zksed, PRIV_VERSION_1_12_0, ext_zksed),
+    ISA_EXT_DATA_ENTRY(zksh, PRIV_VERSION_1_12_0, ext_zksh),
+    ISA_EXT_DATA_ENTRY(zkt, PRIV_VERSION_1_12_0, ext_zkt),
+    ISA_EXT_DATA_ENTRY(zve32f, PRIV_VERSION_1_10_0, ext_zve32f),
+    ISA_EXT_DATA_ENTRY(zve64f, PRIV_VERSION_1_10_0, ext_zve64f),
+    ISA_EXT_DATA_ENTRY(zve64d, PRIV_VERSION_1_10_0, ext_zve64d),
+    ISA_EXT_DATA_ENTRY(zvfh, PRIV_VERSION_1_12_0, ext_zvfh),
+    ISA_EXT_DATA_ENTRY(zvfhmin, PRIV_VERSION_1_12_0, ext_zvfhmin),
+    ISA_EXT_DATA_ENTRY(zhinx, PRIV_VERSION_1_12_0, ext_zhinx),
+    ISA_EXT_DATA_ENTRY(zhinxmin, PRIV_VERSION_1_12_0, ext_zhinxmin),
+    ISA_EXT_DATA_ENTRY(smaia, PRIV_VERSION_1_12_0, ext_smaia),
+    ISA_EXT_DATA_ENTRY(ssaia, PRIV_VERSION_1_12_0, ext_ssaia),
+    ISA_EXT_DATA_ENTRY(sscofpmf, PRIV_VERSION_1_12_0, ext_sscofpmf),
+    ISA_EXT_DATA_ENTRY(sstc, PRIV_VERSION_1_12_0, ext_sstc),
+    ISA_EXT_DATA_ENTRY(svadu, PRIV_VERSION_1_12_0, ext_svadu),
+    ISA_EXT_DATA_ENTRY(svinval, PRIV_VERSION_1_12_0, ext_svinval),
+    ISA_EXT_DATA_ENTRY(svnapot, PRIV_VERSION_1_12_0, ext_svnapot),
+    ISA_EXT_DATA_ENTRY(svpbmt, PRIV_VERSION_1_12_0, ext_svpbmt),
+    ISA_EXT_DATA_ENTRY(xtheadba, PRIV_VERSION_1_11_0, ext_xtheadba),
+    ISA_EXT_DATA_ENTRY(xtheadbb, PRIV_VERSION_1_11_0, ext_xtheadbb),
+    ISA_EXT_DATA_ENTRY(xtheadbs, PRIV_VERSION_1_11_0, ext_xtheadbs),
+    ISA_EXT_DATA_ENTRY(xtheadcmo, PRIV_VERSION_1_11_0, ext_xtheadcmo),
+    ISA_EXT_DATA_ENTRY(xtheadcondmov, PRIV_VERSION_1_11_0, ext_xtheadcondmov),
+    ISA_EXT_DATA_ENTRY(xtheadfmemidx, PRIV_VERSION_1_11_0, ext_xtheadfmemidx),
+    ISA_EXT_DATA_ENTRY(xtheadfmv, PRIV_VERSION_1_11_0, ext_xtheadfmv),
+    ISA_EXT_DATA_ENTRY(xtheadmac, PRIV_VERSION_1_11_0, ext_xtheadmac),
+    ISA_EXT_DATA_ENTRY(xtheadmemidx, PRIV_VERSION_1_11_0, ext_xtheadmemidx),
+    ISA_EXT_DATA_ENTRY(xtheadmempair, PRIV_VERSION_1_11_0, ext_xtheadmempair),
+    ISA_EXT_DATA_ENTRY(xtheadsync, PRIV_VERSION_1_11_0, ext_xtheadsync),
+    ISA_EXT_DATA_ENTRY(xventanacondops, PRIV_VERSION_1_12_0, ext_XVentanaCondOps),
 };
 
 static bool isa_ext_is_enabled(RISCVCPU *cpu,
@@ -150,29 +157,29 @@ static void isa_ext_update_enabled(RISCVCPU *cpu,
 }
 
 const char * const riscv_int_regnames[] = {
-  "x0/zero", "x1/ra",  "x2/sp",  "x3/gp",  "x4/tp",  "x5/t0",   "x6/t1",
-  "x7/t2",   "x8/s0",  "x9/s1",  "x10/a0", "x11/a1", "x12/a2",  "x13/a3",
-  "x14/a4",  "x15/a5", "x16/a6", "x17/a7", "x18/s2", "x19/s3",  "x20/s4",
-  "x21/s5",  "x22/s6", "x23/s7", "x24/s8", "x25/s9", "x26/s10", "x27/s11",
-  "x28/t3",  "x29/t4", "x30/t5", "x31/t6"
+    "x0/zero", "x1/ra",  "x2/sp",  "x3/gp",  "x4/tp",  "x5/t0",   "x6/t1",
+    "x7/t2",   "x8/s0",  "x9/s1",  "x10/a0", "x11/a1", "x12/a2",  "x13/a3",
+    "x14/a4",  "x15/a5", "x16/a6", "x17/a7", "x18/s2", "x19/s3",  "x20/s4",
+    "x21/s5",  "x22/s6", "x23/s7", "x24/s8", "x25/s9", "x26/s10", "x27/s11",
+    "x28/t3",  "x29/t4", "x30/t5", "x31/t6"
 };
 
 const char * const riscv_int_regnamesh[] = {
-  "x0h/zeroh", "x1h/rah",  "x2h/sph",   "x3h/gph",   "x4h/tph",  "x5h/t0h",
-  "x6h/t1h",   "x7h/t2h",  "x8h/s0h",   "x9h/s1h",   "x10h/a0h", "x11h/a1h",
-  "x12h/a2h",  "x13h/a3h", "x14h/a4h",  "x15h/a5h",  "x16h/a6h", "x17h/a7h",
-  "x18h/s2h",  "x19h/s3h", "x20h/s4h",  "x21h/s5h",  "x22h/s6h", "x23h/s7h",
-  "x24h/s8h",  "x25h/s9h", "x26h/s10h", "x27h/s11h", "x28h/t3h", "x29h/t4h",
-  "x30h/t5h",  "x31h/t6h"
+    "x0h/zeroh", "x1h/rah",  "x2h/sph",   "x3h/gph",   "x4h/tph",  "x5h/t0h",
+    "x6h/t1h",   "x7h/t2h",  "x8h/s0h",   "x9h/s1h",   "x10h/a0h", "x11h/a1h",
+    "x12h/a2h",  "x13h/a3h", "x14h/a4h",  "x15h/a5h",  "x16h/a6h", "x17h/a7h",
+    "x18h/s2h",  "x19h/s3h", "x20h/s4h",  "x21h/s5h",  "x22h/s6h", "x23h/s7h",
+    "x24h/s8h",  "x25h/s9h", "x26h/s10h", "x27h/s11h", "x28h/t3h", "x29h/t4h",
+    "x30h/t5h",  "x31h/t6h"
 };
 
 const char * const riscv_fpr_regnames[] = {
-  "f0/ft0",   "f1/ft1",  "f2/ft2",   "f3/ft3",   "f4/ft4",  "f5/ft5",
-  "f6/ft6",   "f7/ft7",  "f8/fs0",   "f9/fs1",   "f10/fa0", "f11/fa1",
-  "f12/fa2",  "f13/fa3", "f14/fa4",  "f15/fa5",  "f16/fa6", "f17/fa7",
-  "f18/fs2",  "f19/fs3", "f20/fs4",  "f21/fs5",  "f22/fs6", "f23/fs7",
-  "f24/fs8",  "f25/fs9", "f26/fs10", "f27/fs11", "f28/ft8", "f29/ft9",
-  "f30/ft10", "f31/ft11"
+    "f0/ft0",   "f1/ft1",  "f2/ft2",   "f3/ft3",   "f4/ft4",  "f5/ft5",
+    "f6/ft6",   "f7/ft7",  "f8/fs0",   "f9/fs1",   "f10/fa0", "f11/fa1",
+    "f12/fa2",  "f13/fa3", "f14/fa4",  "f15/fa5",  "f16/fa6", "f17/fa7",
+    "f18/fs2",  "f19/fs3", "f20/fs4",  "f21/fs5",  "f22/fs6", "f23/fs7",
+    "f24/fs8",  "f25/fs9", "f26/fs10", "f27/fs11", "f28/ft8", "f29/ft9",
+    "f30/ft10", "f31/ft11"
 };
 
 static const char * const riscv_excp_names[] = {
@@ -221,7 +228,7 @@ static const char * const riscv_intr_names[] = {
     "reserved"
 };
 
-static void register_cpu_props(Object *obj);
+static void riscv_cpu_add_user_properties(Object *obj);
 
 const char *riscv_cpu_get_trap_name(target_ulong cause, bool async)
 {
@@ -344,12 +351,11 @@ static void riscv_any_cpu_init(Object *obj)
 
 #ifndef CONFIG_USER_ONLY
     set_satp_mode_max_supported(RISCV_CPU(obj),
-            riscv_cpu_mxl(&RISCV_CPU(obj)->env) == MXL_RV32 ?
-                                    VM_1_10_SV32 : VM_1_10_SV57);
+        riscv_cpu_mxl(&RISCV_CPU(obj)->env) == MXL_RV32 ?
+        VM_1_10_SV32 : VM_1_10_SV57);
 #endif
 
     set_priv_version(env, PRIV_VERSION_1_12_0);
-    register_cpu_props(obj);
 }
 
 #if defined(TARGET_RISCV64)
@@ -358,7 +364,7 @@ static void rv64_base_cpu_init(Object *obj)
     CPURISCVState *env = &RISCV_CPU(obj)->env;
     /* We set this in the realise function */
     set_misa(env, MXL_RV64, 0);
-    register_cpu_props(obj);
+    riscv_cpu_add_user_properties(obj);
     /* Set latest version of privileged specification */
     set_priv_version(env, PRIV_VERSION_1_12_0);
 #ifndef CONFIG_USER_ONLY
@@ -370,7 +376,6 @@ static void rv64_sifive_u_cpu_init(Object *obj)
 {
     CPURISCVState *env = &RISCV_CPU(obj)->env;
     set_misa(env, MXL_RV64, RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
-    register_cpu_props(obj);
     set_priv_version(env, PRIV_VERSION_1_10_0);
 #ifndef CONFIG_USER_ONLY
     set_satp_mode_max_supported(RISCV_CPU(obj), VM_1_10_SV39);
@@ -383,7 +388,6 @@ static void rv64_sifive_e_cpu_init(Object *obj)
     RISCVCPU *cpu = RISCV_CPU(obj);
 
     set_misa(env, MXL_RV64, RVI | RVM | RVA | RVC | RVU);
-    register_cpu_props(obj);
     set_priv_version(env, PRIV_VERSION_1_10_0);
     cpu->cfg.mmu = false;
 #ifndef CONFIG_USER_ONLY
@@ -396,14 +400,9 @@ static void rv64_thead_c906_cpu_init(Object *obj)
     CPURISCVState *env = &RISCV_CPU(obj)->env;
     RISCVCPU *cpu = RISCV_CPU(obj);
 
-    set_misa(env, MXL_RV64, RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
+    set_misa(env, MXL_RV64, RVG | RVC | RVS | RVU);
     set_priv_version(env, PRIV_VERSION_1_11_0);
 
-    cpu->cfg.ext_g = true;
-    cpu->cfg.ext_c = true;
-    cpu->cfg.ext_u = true;
-    cpu->cfg.ext_s = true;
-    cpu->cfg.ext_icsr = true;
     cpu->cfg.ext_zfh = true;
     cpu->cfg.mmu = true;
     cpu->cfg.ext_xtheadba = true;
@@ -423,6 +422,43 @@ static void rv64_thead_c906_cpu_init(Object *obj)
 #endif
 }
 
+static void rv64_veyron_v1_cpu_init(Object *obj)
+{
+    CPURISCVState *env = &RISCV_CPU(obj)->env;
+    RISCVCPU *cpu = RISCV_CPU(obj);
+
+    set_misa(env, MXL_RV64, RVG | RVC | RVS | RVU | RVH);
+    env->priv_ver = PRIV_VERSION_1_12_0;
+
+    /* Enable ISA extensions */
+    cpu->cfg.mmu = true;
+    cpu->cfg.ext_icbom = true;
+    cpu->cfg.cbom_blocksize = 64;
+    cpu->cfg.cboz_blocksize = 64;
+    cpu->cfg.ext_icboz = true;
+    cpu->cfg.ext_smaia = true;
+    cpu->cfg.ext_ssaia = true;
+    cpu->cfg.ext_sscofpmf = true;
+    cpu->cfg.ext_sstc = true;
+    cpu->cfg.ext_svinval = true;
+    cpu->cfg.ext_svnapot = true;
+    cpu->cfg.ext_svpbmt = true;
+    cpu->cfg.ext_smstateen = true;
+    cpu->cfg.ext_zba = true;
+    cpu->cfg.ext_zbb = true;
+    cpu->cfg.ext_zbc = true;
+    cpu->cfg.ext_zbs = true;
+    cpu->cfg.ext_XVentanaCondOps = true;
+
+    cpu->cfg.mvendorid = VEYRON_V1_MVENDORID;
+    cpu->cfg.marchid = VEYRON_V1_MARCHID;
+    cpu->cfg.mimpid = VEYRON_V1_MIMPID;
+
+#ifndef CONFIG_USER_ONLY
+    set_satp_mode_max_supported(cpu, VM_1_10_SV48);
+#endif
+}
+
 static void rv128_base_cpu_init(Object *obj)
 {
     if (qemu_tcg_mttcg_enabled()) {
@@ -434,7 +470,7 @@ static void rv128_base_cpu_init(Object *obj)
     CPURISCVState *env = &RISCV_CPU(obj)->env;
     /* We set this in the realise function */
     set_misa(env, MXL_RV128, 0);
-    register_cpu_props(obj);
+    riscv_cpu_add_user_properties(obj);
     /* Set latest version of privileged specification */
     set_priv_version(env, PRIV_VERSION_1_12_0);
 #ifndef CONFIG_USER_ONLY
@@ -447,7 +483,7 @@ static void rv32_base_cpu_init(Object *obj)
     CPURISCVState *env = &RISCV_CPU(obj)->env;
     /* We set this in the realise function */
     set_misa(env, MXL_RV32, 0);
-    register_cpu_props(obj);
+    riscv_cpu_add_user_properties(obj);
     /* Set latest version of privileged specification */
     set_priv_version(env, PRIV_VERSION_1_12_0);
 #ifndef CONFIG_USER_ONLY
@@ -459,7 +495,6 @@ static void rv32_sifive_u_cpu_init(Object *obj)
 {
     CPURISCVState *env = &RISCV_CPU(obj)->env;
     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
-    register_cpu_props(obj);
     set_priv_version(env, PRIV_VERSION_1_10_0);
 #ifndef CONFIG_USER_ONLY
     set_satp_mode_max_supported(RISCV_CPU(obj), VM_1_10_SV32);
@@ -472,7 +507,6 @@ static void rv32_sifive_e_cpu_init(Object *obj)
     RISCVCPU *cpu = RISCV_CPU(obj);
 
     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVC | RVU);
-    register_cpu_props(obj);
     set_priv_version(env, PRIV_VERSION_1_10_0);
     cpu->cfg.mmu = false;
 #ifndef CONFIG_USER_ONLY
@@ -486,7 +520,6 @@ static void rv32_ibex_cpu_init(Object *obj)
     RISCVCPU *cpu = RISCV_CPU(obj);
 
     set_misa(env, MXL_RV32, RVI | RVM | RVC | RVU);
-    register_cpu_props(obj);
     set_priv_version(env, PRIV_VERSION_1_11_0);
     cpu->cfg.mmu = false;
 #ifndef CONFIG_USER_ONLY
@@ -501,7 +534,6 @@ static void rv32_imafcu_nommu_cpu_init(Object *obj)
     RISCVCPU *cpu = RISCV_CPU(obj);
 
     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVF | RVC | RVU);
-    register_cpu_props(obj);
     set_priv_version(env, PRIV_VERSION_1_10_0);
     cpu->cfg.mmu = false;
 #ifndef CONFIG_USER_ONLY
@@ -519,7 +551,7 @@ static void riscv_host_cpu_init(Object *obj)
 #elif defined(TARGET_RISCV64)
     set_misa(env, MXL_RV64, 0);
 #endif
-    register_cpu_props(obj);
+    riscv_cpu_add_user_properties(obj);
 }
 #endif
 
@@ -549,7 +581,7 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
 
 #if !defined(CONFIG_USER_ONLY)
     if (riscv_has_ext(env, RVH)) {
-        qemu_fprintf(f, " %s %d\n", "V      =  ", riscv_cpu_virt_enabled(env));
+        qemu_fprintf(f, " %s %d\n", "V      =  ", env->virt_enabled);
     }
 #endif
     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "pc      ", env->pc);
@@ -764,7 +796,7 @@ static void riscv_cpu_reset_hold(Object *obj)
         i++;
     }
     /* mmte is supposed to have pm.current hardwired to 1 */
-    env->mmte |= (PM_EXT_INITIAL | MMTE_M_PM_CURRENT);
+    env->mmte |= (EXT_STATUS_INITIAL | MMTE_M_PM_CURRENT);
 #endif
     env->xl = riscv_cpu_mxl(env);
     riscv_cpu_update_mask(env);
@@ -804,63 +836,61 @@ static void riscv_cpu_disas_set_info(CPUState *s, disassemble_info *info)
 
 /*
  * Check consistency between chosen extensions while setting
- * cpu->cfg accordingly, doing a set_misa() in the end.
+ * cpu->cfg accordingly.
  */
 static void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
 {
     CPURISCVState *env = &cpu->env;
-    uint32_t ext = 0;
 
     /* Do some ISA extension error checking */
-    if (cpu->cfg.ext_g && !(cpu->cfg.ext_i && cpu->cfg.ext_m &&
-                            cpu->cfg.ext_a && cpu->cfg.ext_f &&
-                            cpu->cfg.ext_d &&
-                            cpu->cfg.ext_icsr && cpu->cfg.ext_ifencei)) {
+    if (riscv_has_ext(env, RVG) &&
+        !(riscv_has_ext(env, RVI) && riscv_has_ext(env, RVM) &&
+          riscv_has_ext(env, RVA) && riscv_has_ext(env, RVF) &&
+          riscv_has_ext(env, RVD) &&
+          cpu->cfg.ext_icsr && cpu->cfg.ext_ifencei)) {
         warn_report("Setting G will also set IMAFD_Zicsr_Zifencei");
-        cpu->cfg.ext_i = true;
-        cpu->cfg.ext_m = true;
-        cpu->cfg.ext_a = true;
-        cpu->cfg.ext_f = true;
-        cpu->cfg.ext_d = true;
         cpu->cfg.ext_icsr = true;
         cpu->cfg.ext_ifencei = true;
+
+        env->misa_ext |= RVI | RVM | RVA | RVF | RVD;
+        env->misa_ext_mask = env->misa_ext;
     }
 
-    if (cpu->cfg.ext_i && cpu->cfg.ext_e) {
+    if (riscv_has_ext(env, RVI) && riscv_has_ext(env, RVE)) {
         error_setg(errp,
                    "I and E extensions are incompatible");
         return;
     }
 
-    if (!cpu->cfg.ext_i && !cpu->cfg.ext_e) {
+    if (!riscv_has_ext(env, RVI) && !riscv_has_ext(env, RVE)) {
         error_setg(errp,
                    "Either I or E extension must be set");
         return;
     }
 
-    if (cpu->cfg.ext_s && !cpu->cfg.ext_u) {
+    if (riscv_has_ext(env, RVS) && !riscv_has_ext(env, RVU)) {
         error_setg(errp,
                    "Setting S extension without U extension is illegal");
         return;
     }
 
-    if (cpu->cfg.ext_h && !cpu->cfg.ext_i) {
+    if (riscv_has_ext(env, RVH) && !riscv_has_ext(env, RVI)) {
         error_setg(errp,
                    "H depends on an I base integer ISA with 32 x registers");
         return;
     }
 
-    if (cpu->cfg.ext_h && !cpu->cfg.ext_s) {
+    if (riscv_has_ext(env, RVH) && !riscv_has_ext(env, RVS)) {
         error_setg(errp, "H extension implicitly requires S-mode");
         return;
     }
 
-    if (cpu->cfg.ext_f && !cpu->cfg.ext_icsr) {
+    if (riscv_has_ext(env, RVF) && !cpu->cfg.ext_icsr) {
         error_setg(errp, "F extension requires Zicsr");
         return;
     }
 
-    if ((cpu->cfg.ext_zawrs) && !cpu->cfg.ext_a) {
+    if ((cpu->cfg.ext_zawrs) && !riscv_has_ext(env, RVA)) {
         error_setg(errp, "Zawrs extension requires A extension");
         return;
     }
@@ -869,18 +899,18 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
         cpu->cfg.ext_zfhmin = true;
     }
 
-    if (cpu->cfg.ext_zfhmin && !cpu->cfg.ext_f) {
+    if (cpu->cfg.ext_zfhmin && !riscv_has_ext(env, RVF)) {
         error_setg(errp, "Zfh/Zfhmin extensions require F extension");
         return;
     }
 
-    if (cpu->cfg.ext_d && !cpu->cfg.ext_f) {
+    if (riscv_has_ext(env, RVD) && !riscv_has_ext(env, RVF)) {
         error_setg(errp, "D extension requires F extension");
         return;
     }
 
     /* The V vector extension depends on the Zve64d extension */
-    if (cpu->cfg.ext_v) {
+    if (riscv_has_ext(env, RVV)) {
         cpu->cfg.ext_zve64d = true;
     }
 
@@ -894,12 +924,12 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
         cpu->cfg.ext_zve32f = true;
     }
 
-    if (cpu->cfg.ext_zve64d && !cpu->cfg.ext_d) {
+    if (cpu->cfg.ext_zve64d && !riscv_has_ext(env, RVD)) {
         error_setg(errp, "Zve64d/V extensions require D extension");
         return;
     }
 
-    if (cpu->cfg.ext_zve32f && !cpu->cfg.ext_f) {
+    if (cpu->cfg.ext_zve32f && !riscv_has_ext(env, RVF)) {
         error_setg(errp, "Zve32f/Zve64f extensions require F extension");
         return;
     }
@@ -923,8 +953,9 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
         cpu->cfg.ext_zhinxmin = true;
     }
 
-    if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinxmin) {
-        cpu->cfg.ext_zfinx = true;
+    if ((cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinxmin) && !cpu->cfg.ext_zfinx) {
+        error_setg(errp, "Zdinx/Zhinx/Zhinxmin extensions require Zfinx");
+        return;
     }
 
     if (cpu->cfg.ext_zfinx) {
@@ -932,13 +963,66 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
             error_setg(errp, "Zfinx extension requires Zicsr");
             return;
         }
-        if (cpu->cfg.ext_f) {
+        if (riscv_has_ext(env, RVF)) {
             error_setg(errp,
                        "Zfinx cannot be supported together with F extension");
             return;
         }
     }
 
+    if (cpu->cfg.ext_zce) {
+        cpu->cfg.ext_zca = true;
+        cpu->cfg.ext_zcb = true;
+        cpu->cfg.ext_zcmp = true;
+        cpu->cfg.ext_zcmt = true;
+        if (riscv_has_ext(env, RVF) && env->misa_mxl_max == MXL_RV32) {
+            cpu->cfg.ext_zcf = true;
+        }
+    }
+
+    if (riscv_has_ext(env, RVC)) {
+        cpu->cfg.ext_zca = true;
+        if (riscv_has_ext(env, RVF) && env->misa_mxl_max == MXL_RV32) {
+            cpu->cfg.ext_zcf = true;
+        }
+        if (riscv_has_ext(env, RVD)) {
+            cpu->cfg.ext_zcd = true;
+        }
+    }
+
+    if (env->misa_mxl_max != MXL_RV32 && cpu->cfg.ext_zcf) {
+        error_setg(errp, "Zcf extension is only relevant to RV32");
+        return;
+    }
+
+    if (!riscv_has_ext(env, RVF) && cpu->cfg.ext_zcf) {
+        error_setg(errp, "Zcf extension requires F extension");
+        return;
+    }
+
+    if (!riscv_has_ext(env, RVD) && cpu->cfg.ext_zcd) {
+        error_setg(errp, "Zcd extension requires D extension");
+        return;
+    }
+
+    if ((cpu->cfg.ext_zcf || cpu->cfg.ext_zcd || cpu->cfg.ext_zcb ||
+         cpu->cfg.ext_zcmp || cpu->cfg.ext_zcmt) && !cpu->cfg.ext_zca) {
+        error_setg(errp, "Zcf/Zcd/Zcb/Zcmp/Zcmt extensions require Zca "
+                         "extension");
+        return;
+    }
+
+    if (cpu->cfg.ext_zcd && (cpu->cfg.ext_zcmp || cpu->cfg.ext_zcmt)) {
+        error_setg(errp, "Zcmp/Zcmt extensions are incompatible with "
+                         "Zcd extension");
+        return;
+    }
+
+    if (cpu->cfg.ext_zcmt && !cpu->cfg.ext_icsr) {
+        error_setg(errp, "Zcmt extension requires Zicsr extension");
+        return;
+    }
+
     if (cpu->cfg.ext_zk) {
         cpu->cfg.ext_zkn = true;
         cpu->cfg.ext_zkr = true;
@@ -962,39 +1046,8 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
         cpu->cfg.ext_zksh = true;
     }
 
-    if (cpu->cfg.ext_i) {
-        ext |= RVI;
-    }
-    if (cpu->cfg.ext_e) {
-        ext |= RVE;
-    }
-    if (cpu->cfg.ext_m) {
-        ext |= RVM;
-    }
-    if (cpu->cfg.ext_a) {
-        ext |= RVA;
-    }
-    if (cpu->cfg.ext_f) {
-        ext |= RVF;
-    }
-    if (cpu->cfg.ext_d) {
-        ext |= RVD;
-    }
-    if (cpu->cfg.ext_c) {
-        ext |= RVC;
-    }
-    if (cpu->cfg.ext_s) {
-        ext |= RVS;
-    }
-    if (cpu->cfg.ext_u) {
-        ext |= RVU;
-    }
-    if (cpu->cfg.ext_h) {
-        ext |= RVH;
-    }
-    if (cpu->cfg.ext_v) {
+    if (riscv_has_ext(env, RVV)) {
         int vext_version = VEXT_VERSION_1_00_0;
-        ext |= RVV;
         if (!is_power_of_2(cpu->cfg.vlen)) {
             error_setg(errp,
                        "Vector extension VLEN must be power of 2");
@@ -1032,11 +1085,6 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
         }
         set_vext_version(env, vext_version);
     }
-    if (cpu->cfg.ext_j) {
-        ext |= RVJ;
-    }
-
-    set_misa(env, env->misa_mxl, ext);
 }
 
 #ifndef CONFIG_USER_ONLY
@@ -1121,6 +1169,14 @@ static void riscv_cpu_finalize_features(RISCVCPU *cpu, Error **errp)
 #endif
 }
 
+static void riscv_cpu_validate_misa_priv(CPURISCVState *env, Error **errp)
+{
+    if (riscv_has_ext(env, RVH) && env->priv_ver < PRIV_VERSION_1_12_0) {
+        error_setg(errp, "H extension requires priv spec 1.12.0");
+        return;
+    }
+}
+
 static void riscv_cpu_realize(DeviceState *dev, Error **errp)
 {
     CPUState *cs = CPU(dev);
@@ -1156,6 +1212,12 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
         set_priv_version(env, priv_version);
     }
 
+    riscv_cpu_validate_misa_priv(env, &local_err);
+    if (local_err != NULL) {
+        error_propagate(errp, local_err);
+        return;
+    }
+
     /* Force disable extensions if priv spec version does not match */
     for (i = 0; i < ARRAY_SIZE(isa_edata_arr); i++) {
         if (isa_ext_is_enabled(cpu, &isa_edata_arr[i]) &&
@@ -1302,7 +1364,7 @@ static void riscv_cpu_set_irq(void *opaque, int irq, int level)
             if (kvm_enabled()) {
                 kvm_riscv_set_irq(cpu, irq, level);
             } else {
-                riscv_cpu_update_mip(cpu, 1 << irq, BOOL_TO_MASK(level));
+                riscv_cpu_update_mip(env, 1 << irq, BOOL_TO_MASK(level));
             }
              break;
         case IRQ_S_EXT:
@@ -1310,7 +1372,7 @@ static void riscv_cpu_set_irq(void *opaque, int irq, int level)
                 kvm_riscv_set_irq(cpu, irq, level);
             } else {
                 env->external_seip = level;
-                riscv_cpu_update_mip(cpu, 1 << irq,
+                riscv_cpu_update_mip(env, 1 << irq,
                                      BOOL_TO_MASK(level | env->software_seip));
             }
             break;
@@ -1336,7 +1398,7 @@ static void riscv_cpu_set_irq(void *opaque, int irq, int level)
         }
 
         /* Update mip.SGEIP bit */
-        riscv_cpu_update_mip(cpu, MIP_SGEIP,
+        riscv_cpu_update_mip(env, MIP_SGEIP,
                              BOOL_TO_MASK(!!(env->hgeie & env->hgeip)));
     } else {
         g_assert_not_reached();
@@ -1361,20 +1423,98 @@ static void riscv_cpu_init(Object *obj)
 #endif /* CONFIG_USER_ONLY */
 }
 
+typedef struct RISCVCPUMisaExtConfig {
+    const char *name;
+    const char *description;
+    target_ulong misa_bit;
+    bool enabled;
+} RISCVCPUMisaExtConfig;
+
+static void cpu_set_misa_ext_cfg(Object *obj, Visitor *v, const char *name,
+                                 void *opaque, Error **errp)
+{
+    const RISCVCPUMisaExtConfig *misa_ext_cfg = opaque;
+    target_ulong misa_bit = misa_ext_cfg->misa_bit;
+    RISCVCPU *cpu = RISCV_CPU(obj);
+    CPURISCVState *env = &cpu->env;
+    bool value;
+
+    if (!visit_type_bool(v, name, &value, errp)) {
+        return;
+    }
+
+    if (value) {
+        env->misa_ext |= misa_bit;
+        env->misa_ext_mask |= misa_bit;
+    } else {
+        env->misa_ext &= ~misa_bit;
+        env->misa_ext_mask &= ~misa_bit;
+    }
+}
+
+static void cpu_get_misa_ext_cfg(Object *obj, Visitor *v, const char *name,
+                                 void *opaque, Error **errp)
+{
+    const RISCVCPUMisaExtConfig *misa_ext_cfg = opaque;
+    target_ulong misa_bit = misa_ext_cfg->misa_bit;
+    RISCVCPU *cpu = RISCV_CPU(obj);
+    CPURISCVState *env = &cpu->env;
+    bool value;
+
+    value = env->misa_ext & misa_bit;
+
+    visit_type_bool(v, name, &value, errp);
+}
+
+static const RISCVCPUMisaExtConfig misa_ext_cfgs[] = {
+    {.name = "a", .description = "Atomic instructions",
+     .misa_bit = RVA, .enabled = true},
+    {.name = "c", .description = "Compressed instructions",
+     .misa_bit = RVC, .enabled = true},
+    {.name = "d", .description = "Double-precision float point",
+     .misa_bit = RVD, .enabled = true},
+    {.name = "f", .description = "Single-precision float point",
+     .misa_bit = RVF, .enabled = true},
+    {.name = "i", .description = "Base integer instruction set",
+     .misa_bit = RVI, .enabled = true},
+    {.name = "e", .description = "Base integer instruction set (embedded)",
+     .misa_bit = RVE, .enabled = false},
+    {.name = "m", .description = "Integer multiplication and division",
+     .misa_bit = RVM, .enabled = true},
+    {.name = "s", .description = "Supervisor-level instructions",
+     .misa_bit = RVS, .enabled = true},
+    {.name = "u", .description = "User-level instructions",
+     .misa_bit = RVU, .enabled = true},
+    {.name = "h", .description = "Hypervisor",
+     .misa_bit = RVH, .enabled = true},
+    {.name = "x-j", .description = "Dynamic translated languages",
+     .misa_bit = RVJ, .enabled = false},
+    {.name = "v", .description = "Vector operations",
+     .misa_bit = RVV, .enabled = false},
+    {.name = "g", .description = "General purpose (IMAFD_Zicsr_Zifencei)",
+     .misa_bit = RVG, .enabled = false},
+};
+
+static void riscv_cpu_add_misa_properties(Object *cpu_obj)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(misa_ext_cfgs); i++) {
+        const RISCVCPUMisaExtConfig *misa_cfg = &misa_ext_cfgs[i];
+
+        object_property_add(cpu_obj, misa_cfg->name, "bool",
+                            cpu_get_misa_ext_cfg,
+                            cpu_set_misa_ext_cfg,
+                            NULL, (void *)misa_cfg);
+        object_property_set_description(cpu_obj, misa_cfg->name,
+                                        misa_cfg->description);
+        object_property_set_bool(cpu_obj, misa_cfg->name,
+                                 misa_cfg->enabled, NULL);
+    }
+}
+
 static Property riscv_cpu_extensions[] = {
     /* Defaults for standard extensions */
-    DEFINE_PROP_BOOL("i", RISCVCPU, cfg.ext_i, true),
-    DEFINE_PROP_BOOL("e", RISCVCPU, cfg.ext_e, false),
-    DEFINE_PROP_BOOL("g", RISCVCPU, cfg.ext_g, false),
-    DEFINE_PROP_BOOL("m", RISCVCPU, cfg.ext_m, true),
-    DEFINE_PROP_BOOL("a", RISCVCPU, cfg.ext_a, true),
-    DEFINE_PROP_BOOL("f", RISCVCPU, cfg.ext_f, true),
-    DEFINE_PROP_BOOL("d", RISCVCPU, cfg.ext_d, true),
-    DEFINE_PROP_BOOL("c", RISCVCPU, cfg.ext_c, true),
-    DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true),
-    DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true),
-    DEFINE_PROP_BOOL("v", RISCVCPU, cfg.ext_v, false),
-    DEFINE_PROP_BOOL("h", RISCVCPU, cfg.ext_h, true),
     DEFINE_PROP_UINT8("pmu-num", RISCVCPU, cfg.pmu_num, 16),
     DEFINE_PROP_BOOL("sscofpmf", RISCVCPU, cfg.ext_sscofpmf, false),
     DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
@@ -1447,7 +1587,15 @@ static Property riscv_cpu_extensions[] = {
 
     /* These are experimental so mark with 'x-' */
     DEFINE_PROP_BOOL("x-zicond", RISCVCPU, cfg.ext_zicond, false),
-    DEFINE_PROP_BOOL("x-j", RISCVCPU, cfg.ext_j, false),
+
+    DEFINE_PROP_BOOL("x-zca", RISCVCPU, cfg.ext_zca, false),
+    DEFINE_PROP_BOOL("x-zcb", RISCVCPU, cfg.ext_zcb, false),
+    DEFINE_PROP_BOOL("x-zcd", RISCVCPU, cfg.ext_zcd, false),
+    DEFINE_PROP_BOOL("x-zce", RISCVCPU, cfg.ext_zce, false),
+    DEFINE_PROP_BOOL("x-zcf", RISCVCPU, cfg.ext_zcf, false),
+    DEFINE_PROP_BOOL("x-zcmp", RISCVCPU, cfg.ext_zcmp, false),
+    DEFINE_PROP_BOOL("x-zcmt", RISCVCPU, cfg.ext_zcmt, false),
+
     /* ePMP 0.9.3 */
     DEFINE_PROP_BOOL("x-epmp", RISCVCPU, cfg.epmp, false),
     DEFINE_PROP_BOOL("x-smaia", RISCVCPU, cfg.ext_smaia, false),
@@ -1460,43 +1608,17 @@ static Property riscv_cpu_extensions[] = {
 };
 
 /*
- * Register CPU props based on env.misa_ext. If a non-zero
- * value was set, register only the required cpu->cfg.ext_*
- * properties and leave. env.misa_ext = 0 means that we want
- * all the default properties to be registered.
+ * Add CPU properties with user-facing flags.
+ *
+ * This will overwrite existing env->misa_ext values with the
+ * defaults set via riscv_cpu_add_misa_properties().
  */
-static void register_cpu_props(Object *obj)
+static void riscv_cpu_add_user_properties(Object *obj)
 {
-    RISCVCPU *cpu = RISCV_CPU(obj);
-    uint32_t misa_ext = cpu->env.misa_ext;
     Property *prop;
     DeviceState *dev = DEVICE(obj);
 
-    /*
-     * If misa_ext is not zero, set cfg properties now to
-     * allow them to be read during riscv_cpu_realize()
-     * later on.
-     */
-    if (cpu->env.misa_ext != 0) {
-        cpu->cfg.ext_i = misa_ext & RVI;
-        cpu->cfg.ext_e = misa_ext & RVE;
-        cpu->cfg.ext_m = misa_ext & RVM;
-        cpu->cfg.ext_a = misa_ext & RVA;
-        cpu->cfg.ext_f = misa_ext & RVF;
-        cpu->cfg.ext_d = misa_ext & RVD;
-        cpu->cfg.ext_v = misa_ext & RVV;
-        cpu->cfg.ext_c = misa_ext & RVC;
-        cpu->cfg.ext_s = misa_ext & RVS;
-        cpu->cfg.ext_u = misa_ext & RVU;
-        cpu->cfg.ext_h = misa_ext & RVH;
-        cpu->cfg.ext_j = misa_ext & RVJ;
-
-        /*
-         * We don't want to set the default riscv_cpu_extensions
-         * in this case.
-         */
-        return;
-    }
+    riscv_cpu_add_misa_properties(obj);
 
     for (prop = riscv_cpu_extensions; prop && prop->name; prop++) {
         qdev_property_add_static(dev, prop);
@@ -1631,15 +1753,15 @@ static void riscv_cpu_class_init(ObjectClass *c, void *data)
     device_class_set_props(dc, riscv_cpu_properties);
 }
 
-static void riscv_isa_string_ext(RISCVCPU *cpu, char **isa_str, int max_str_len)
+static void riscv_isa_string_ext(RISCVCPU *cpu, char **isa_str,
+                                 int max_str_len)
 {
     char *old = *isa_str;
     char *new = *isa_str;
     int i;
 
     for (i = 0; i < ARRAY_SIZE(isa_edata_arr); i++) {
-        if (isa_edata_arr[i].multi_letter &&
-            isa_ext_is_enabled(cpu, &isa_edata_arr[i])) {
+        if (isa_ext_is_enabled(cpu, &isa_edata_arr[i])) {
             new = g_strconcat(old, "_", isa_edata_arr[i].name, NULL);
             g_free(old);
             old = new;
@@ -1703,6 +1825,13 @@ void riscv_cpu_list(void)
         .instance_init = initfn            \
     }
 
+#define DEFINE_DYNAMIC_CPU(type_name, initfn) \
+    {                                         \
+        .name = type_name,                    \
+        .parent = TYPE_RISCV_DYNAMIC_CPU,     \
+        .instance_init = initfn               \
+    }
+
 static const TypeInfo riscv_cpu_type_infos[] = {
     {
         .name = TYPE_RISCV_CPU,
@@ -1714,23 +1843,29 @@ static const TypeInfo riscv_cpu_type_infos[] = {
         .class_size = sizeof(RISCVCPUClass),
         .class_init = riscv_cpu_class_init,
     },
-    DEFINE_CPU(TYPE_RISCV_CPU_ANY,              riscv_any_cpu_init),
+    {
+        .name = TYPE_RISCV_DYNAMIC_CPU,
+        .parent = TYPE_RISCV_CPU,
+        .abstract = true,
+    },
+    DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_ANY,      riscv_any_cpu_init),
 #if defined(CONFIG_KVM)
     DEFINE_CPU(TYPE_RISCV_CPU_HOST,             riscv_host_cpu_init),
 #endif
 #if defined(TARGET_RISCV32)
-    DEFINE_CPU(TYPE_RISCV_CPU_BASE32,           rv32_base_cpu_init),
+    DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE32,   rv32_base_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_IBEX,             rv32_ibex_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E31,       rv32_sifive_e_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E34,       rv32_imafcu_nommu_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U34,       rv32_sifive_u_cpu_init),
 #elif defined(TARGET_RISCV64)
-    DEFINE_CPU(TYPE_RISCV_CPU_BASE64,           rv64_base_cpu_init),
+    DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE64,   rv64_base_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E51,       rv64_sifive_e_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U54,       rv64_sifive_u_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_SHAKTI_C,         rv64_sifive_u_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_THEAD_C906,       rv64_thead_c906_cpu_init),
-    DEFINE_CPU(TYPE_RISCV_CPU_BASE128,          rv128_base_cpu_init),
+    DEFINE_CPU(TYPE_RISCV_CPU_VEYRON_V1,        rv64_veyron_v1_cpu_init),
+    DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE128,  rv128_base_cpu_init),
 #endif
 };
 

target/riscv/cpu.h

@@ -28,6 +28,7 @@
 #include "qemu/int128.h"
 #include "cpu_bits.h"
 #include "qapi/qapi-types-common.h"
+#include "cpu-qom.h"
 
 #define TCG_GUEST_DEFAULT_MO 0
 
@@ -37,38 +38,9 @@
  */
 #define TARGET_INSN_START_EXTRA_WORDS 1
 
-#define TYPE_RISCV_CPU "riscv-cpu"
-
-#define RISCV_CPU_TYPE_SUFFIX "-" TYPE_RISCV_CPU
-#define RISCV_CPU_TYPE_NAME(name) (name RISCV_CPU_TYPE_SUFFIX)
-#define CPU_RESOLVING_TYPE TYPE_RISCV_CPU
-
-#define TYPE_RISCV_CPU_ANY              RISCV_CPU_TYPE_NAME("any")
-#define TYPE_RISCV_CPU_BASE32           RISCV_CPU_TYPE_NAME("rv32")
-#define TYPE_RISCV_CPU_BASE64           RISCV_CPU_TYPE_NAME("rv64")
-#define TYPE_RISCV_CPU_BASE128          RISCV_CPU_TYPE_NAME("x-rv128")
-#define TYPE_RISCV_CPU_IBEX             RISCV_CPU_TYPE_NAME("lowrisc-ibex")
-#define TYPE_RISCV_CPU_SHAKTI_C         RISCV_CPU_TYPE_NAME("shakti-c")
-#define TYPE_RISCV_CPU_SIFIVE_E31       RISCV_CPU_TYPE_NAME("sifive-e31")
-#define TYPE_RISCV_CPU_SIFIVE_E34       RISCV_CPU_TYPE_NAME("sifive-e34")
-#define TYPE_RISCV_CPU_SIFIVE_E51       RISCV_CPU_TYPE_NAME("sifive-e51")
-#define TYPE_RISCV_CPU_SIFIVE_U34       RISCV_CPU_TYPE_NAME("sifive-u34")
-#define TYPE_RISCV_CPU_SIFIVE_U54       RISCV_CPU_TYPE_NAME("sifive-u54")
-#define TYPE_RISCV_CPU_THEAD_C906       RISCV_CPU_TYPE_NAME("thead-c906")
-#define TYPE_RISCV_CPU_HOST             RISCV_CPU_TYPE_NAME("host")
-
-#if defined(TARGET_RISCV32)
-# define TYPE_RISCV_CPU_BASE            TYPE_RISCV_CPU_BASE32
-#elif defined(TARGET_RISCV64)
-# define TYPE_RISCV_CPU_BASE            TYPE_RISCV_CPU_BASE64
-#endif
-
 #define RV(x) ((target_ulong)1 << (x - 'A'))
 
-/*
- * Consider updating register_cpu_props() when adding
- * new MISA bits here.
- */
+/* Consider updating misa_ext_cfgs[] when adding new MISA bits here */
 #define RVI RV('I')
 #define RVE RV('E') /* E and I are mutually exclusive */
 #define RVM RV('M')
@@ -81,6 +53,7 @@
 #define RVU RV('U')
 #define RVH RV('H')
 #define RVJ RV('J')
+#define RVG RV('G')
 
 
 /* Privileged specification version */
@@ -99,12 +72,18 @@ enum {
     TRANSLATE_G_STAGE_FAIL
 };
 
+/* Extension context status */
+typedef enum {
+    EXT_STATUS_DISABLED = 0,
+    EXT_STATUS_INITIAL,
+    EXT_STATUS_CLEAN,
+    EXT_STATUS_DIRTY,
+} RISCVExtStatus;
+
 #define MMU_USER_IDX 3
 
 #define MAX_RISCV_PMPS (16)
 
-typedef struct CPUArchState CPURISCVState;
-
 #if !defined(CONFIG_USER_ONLY)
 #include "pmp.h"
 #include "debug.h"
@@ -124,7 +103,7 @@ FIELD(VTYPE, RESERVED, 10, sizeof(target_ulong) * 8 - 11)
 typedef struct PMUCTRState {
     /* Current value of a counter */
     target_ulong mhpmcounter_val;
-    /* Current value of a counter in RV32*/
+    /* Current value of a counter in RV32 */
     target_ulong mhpmcounterh_val;
     /* Snapshot values of counter */
     target_ulong mhpmcounter_prev;
@@ -176,6 +155,8 @@ struct CPUArchState {
     /* 128-bit helpers upper part return value */
     target_ulong retxh;
 
+    target_ulong jvt;
+
 #ifdef CONFIG_USER_ONLY
     uint32_t elf_flags;
 #endif
@@ -183,7 +164,7 @@ struct CPUArchState {
 #ifndef CONFIG_USER_ONLY
     target_ulong priv;
     /* This contains QEMU specific information about the virt state. */
-    target_ulong virt;
+    bool virt_enabled;
     target_ulong geilen;
     uint64_t resetvec;
 
@@ -278,8 +259,10 @@ struct CPUArchState {
     target_ulong satp_hs;
     uint64_t mstatus_hs;
 
-    /* Signals whether the current exception occurred with two-stage address
-       translation active. */
+    /*
+     * Signals whether the current exception occurred with two-stage address
+     * translation active.
+     */
     bool two_stage_lookup;
     /*
      * Signals whether the current exception occurred while doing two-stage
@@ -295,10 +278,10 @@ struct CPUArchState {
     /* PMU counter state */
     PMUCTRState pmu_ctrs[RV_MAX_MHPMCOUNTERS];
 
-    /* PMU event selector configured values. First three are unused*/
+    /* PMU event selector configured values. First three are unused */
     target_ulong mhpmevent_val[RV_MAX_MHPMEVENTS];
 
-    /* PMU event selector configured values for RV32*/
+    /* PMU event selector configured values for RV32 */
     target_ulong mhpmeventh_val[RV_MAX_MHPMEVENTS];
 
     target_ulong sscratch;
@@ -385,23 +368,6 @@ struct CPUArchState {
     uint64_t kvm_timer_frequency;
 };
 
-OBJECT_DECLARE_CPU_TYPE(RISCVCPU, RISCVCPUClass, RISCV_CPU)
-
-/**
- * RISCVCPUClass:
- * @parent_realize: The parent class' realize handler.
- * @parent_phases: The parent class' reset phase handlers.
- *
- * A RISCV CPU model.
- */
-struct RISCVCPUClass {
-    /*< private >*/
-    CPUClass parent_class;
-    /*< public >*/
-    DeviceRealize parent_realize;
-    ResettablePhases parent_phases;
-};
-
 /*
  * map is a 16-bit bitmap: the most significant set bit in map is the maximum
  * satp mode that is supported. It may be chosen by the user and must respect
@@ -418,19 +384,6 @@ typedef struct {
 } RISCVSATPMap;
 
 struct RISCVCPUConfig {
-    bool ext_i;
-    bool ext_e;
-    bool ext_g;
-    bool ext_m;
-    bool ext_a;
-    bool ext_f;
-    bool ext_d;
-    bool ext_c;
-    bool ext_s;
-    bool ext_u;
-    bool ext_h;
-    bool ext_j;
-    bool ext_v;
     bool ext_zba;
     bool ext_zbb;
     bool ext_zbc;
@@ -438,6 +391,13 @@ struct RISCVCPUConfig {
     bool ext_zbkc;
     bool ext_zbkx;
     bool ext_zbs;
+    bool ext_zca;
+    bool ext_zcb;
+    bool ext_zcd;
+    bool ext_zce;
+    bool ext_zcf;
+    bool ext_zcmp;
+    bool ext_zcmt;
     bool ext_zk;
     bool ext_zkn;
     bool ext_zknd;
@@ -521,16 +481,16 @@ struct RISCVCPUConfig {
 
 typedef struct RISCVCPUConfig RISCVCPUConfig;
 
-/**
+/*
  * RISCVCPU:
  * @env: #CPURISCVState
  *
  * A RISCV CPU.
  */
 struct ArchCPU {
-    /*< private >*/
+    /* < private > */
     CPUState parent_obj;
-    /*< public >*/
+    /* < public > */
     CPUNegativeOffsetState neg;
     CPURISCVState env;
 
@@ -576,13 +536,11 @@ bool riscv_cpu_fp_enabled(CPURISCVState *env);
 target_ulong riscv_cpu_get_geilen(CPURISCVState *env);
 void riscv_cpu_set_geilen(CPURISCVState *env, target_ulong geilen);
 bool riscv_cpu_vector_enabled(CPURISCVState *env);
-bool riscv_cpu_virt_enabled(CPURISCVState *env);
 void riscv_cpu_set_virt_enabled(CPURISCVState *env, bool enable);
-bool riscv_cpu_two_stage_lookup(int mmu_idx);
 int riscv_cpu_mmu_index(CPURISCVState *env, bool ifetch);
 G_NORETURN void  riscv_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
-                                               MMUAccessType access_type, int mmu_idx,
-                                               uintptr_t retaddr);
+                                               MMUAccessType access_type,
+                                               int mmu_idx, uintptr_t retaddr);
 bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
                         MMUAccessType access_type, int mmu_idx,
                         bool probe, uintptr_t retaddr);
@@ -602,7 +560,8 @@ hwaddr riscv_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
 bool riscv_cpu_exec_interrupt(CPUState *cs, int interrupt_request);
 void riscv_cpu_swap_hypervisor_regs(CPURISCVState *env);
 int riscv_cpu_claim_interrupts(RISCVCPU *cpu, uint64_t interrupts);
-uint64_t riscv_cpu_update_mip(RISCVCPU *cpu, uint64_t mask, uint64_t value);
+uint64_t riscv_cpu_update_mip(CPURISCVState *env, uint64_t mask,
+                              uint64_t value);
 #define BOOL_TO_MASK(x) (-!!(x)) /* helper for riscv_cpu_update_mip value */
 void riscv_cpu_set_rdtime_fn(CPURISCVState *env, uint64_t (*fn)(void *),
                              void *arg);
@@ -613,6 +572,8 @@ void riscv_cpu_set_aia_ireg_rmw_fn(CPURISCVState *env, uint32_t priv,
                                                  target_ulong new_val,
                                                  target_ulong write_mask),
                                    void *rmw_fn_arg);
+
+RISCVException smstateen_acc_ok(CPURISCVState *env, int index, uint64_t bit);
 #endif
 void riscv_cpu_set_mode(CPURISCVState *env, target_ulong newpriv);
 
@@ -623,33 +584,29 @@ G_NORETURN void riscv_raise_exception(CPURISCVState *env,
 target_ulong riscv_cpu_get_fflags(CPURISCVState *env);
 void riscv_cpu_set_fflags(CPURISCVState *env, target_ulong);
 
-#define TB_FLAGS_PRIV_MMU_MASK                3
-#define TB_FLAGS_PRIV_HYP_ACCESS_MASK   (1 << 2)
-#define TB_FLAGS_MSTATUS_FS MSTATUS_FS
-#define TB_FLAGS_MSTATUS_VS MSTATUS_VS
-
 #include "exec/cpu-all.h"
 
 FIELD(TB_FLAGS, MEM_IDX, 0, 3)
-FIELD(TB_FLAGS, LMUL, 3, 3)
-FIELD(TB_FLAGS, SEW, 6, 3)
-/* Skip MSTATUS_VS (0x600) bits */
-FIELD(TB_FLAGS, VL_EQ_VLMAX, 11, 1)
-FIELD(TB_FLAGS, VILL, 12, 1)
-/* Skip MSTATUS_FS (0x6000) bits */
-/* Is a Hypervisor instruction load/store allowed? */
-FIELD(TB_FLAGS, HLSX, 15, 1)
-FIELD(TB_FLAGS, MSTATUS_HS_FS, 16, 2)
-FIELD(TB_FLAGS, MSTATUS_HS_VS, 18, 2)
+FIELD(TB_FLAGS, FS, 3, 2)
+/* Vector flags */
+FIELD(TB_FLAGS, VS, 5, 2)
+FIELD(TB_FLAGS, LMUL, 7, 3)
+FIELD(TB_FLAGS, SEW, 10, 3)
+FIELD(TB_FLAGS, VL_EQ_VLMAX, 13, 1)
+FIELD(TB_FLAGS, VILL, 14, 1)
+FIELD(TB_FLAGS, VSTART_EQ_ZERO, 15, 1)
 /* The combination of MXL/SXL/UXL that applies to the current cpu mode. */
-FIELD(TB_FLAGS, XL, 20, 2)
+FIELD(TB_FLAGS, XL, 16, 2)
 /* If PointerMasking should be applied */
-FIELD(TB_FLAGS, PM_MASK_ENABLED, 22, 1)
-FIELD(TB_FLAGS, PM_BASE_ENABLED, 23, 1)
-FIELD(TB_FLAGS, VTA, 24, 1)
-FIELD(TB_FLAGS, VMA, 25, 1)
+FIELD(TB_FLAGS, PM_MASK_ENABLED, 18, 1)
+FIELD(TB_FLAGS, PM_BASE_ENABLED, 19, 1)
+FIELD(TB_FLAGS, VTA, 20, 1)
+FIELD(TB_FLAGS, VMA, 21, 1)
 /* Native debug itrigger */
-FIELD(TB_FLAGS, ITRIGGER, 26, 1)
+FIELD(TB_FLAGS, ITRIGGER, 22, 1)
+/* Virtual mode enabled */
+FIELD(TB_FLAGS, VIRT_ENABLED, 23, 1)
+FIELD(TB_FLAGS, PRIV, 24, 2)
 
 #ifdef TARGET_RISCV32
 #define riscv_cpu_mxl(env)  ((void)(env), MXL_RV32)
@@ -686,7 +643,7 @@ static inline RISCVMXL cpu_recompute_xl(CPURISCVState *env)
         case PRV_U:
             xl = get_field(env->mstatus, MSTATUS64_UXL);
             break;
-        default: /* PRV_S | PRV_H */
+        default: /* PRV_S */
             xl = get_field(env->mstatus, MSTATUS64_SXL);
             break;
         }
@@ -802,7 +759,7 @@ enum {
     CSR_TABLE_SIZE = 0x1000
 };
 
-/**
+/*
  * The event id are encoded based on the encoding specified in the
  * SBI specification v0.3
  */

target/riscv/cpu_bits.h

@@ -9,6 +9,9 @@
                  (((uint64_t)(val) * ((mask) & ~((mask) << 1))) & \
                  (uint64_t)(mask)))
 
+/* Extension context status mask */
+#define EXT_STATUS_MASK     0x3ULL
+
 /* Floating point round mode */
 #define FSR_RD_SHIFT        5
 #define FSR_RD              (0x7 << FSR_RD_SHIFT)
@@ -319,6 +322,7 @@
 #define SMSTATEEN_MAX_COUNT 4
 #define SMSTATEEN0_CS       (1ULL << 0)
 #define SMSTATEEN0_FCSR     (1ULL << 1)
+#define SMSTATEEN0_JVT      (1ULL << 2)
 #define SMSTATEEN0_HSCONTXT (1ULL << 57)
 #define SMSTATEEN0_IMSIC    (1ULL << 58)
 #define SMSTATEEN0_AIA      (1ULL << 59)
@@ -523,6 +527,9 @@
 /* Crypto Extension */
 #define CSR_SEED            0x015
 
+/* Zcmt Extension */
+#define CSR_JVT             0x017
+
 /* mstatus CSR bits */
 #define MSTATUS_UIE         0x00000001
 #define MSTATUS_SIE         0x00000002
@@ -604,12 +611,9 @@ typedef enum {
 /* Privilege modes */
 #define PRV_U 0
 #define PRV_S 1
-#define PRV_H 2 /* Reserved */
+#define PRV_RESERVED 2
 #define PRV_M 3
 
-/* Virtulisation Register Fields */
-#define VIRT_ONOFF          1
-
 /* RV32 satp CSR field masks */
 #define SATP32_MODE         0x80000000
 #define SATP32_ASID         0x7fc00000
@@ -640,6 +644,7 @@ typedef enum {
 #define PTE_SOFT            0x300 /* Reserved for Software */
 #define PTE_PBMT            0x6000000000000000ULL /* Page-based memory types */
 #define PTE_N               0x8000000000000000ULL /* NAPOT translation */
+#define PTE_RESERVED        0x1FC0000000000000ULL /* Reserved bits */
 #define PTE_ATTR            (PTE_N | PTE_PBMT) /* All attributes bits */
 
 /* Page table PPN shift amount */
@@ -730,17 +735,10 @@ typedef enum RISCVException {
 #define MIE_SSIE                           (1 << IRQ_S_SOFT)
 #define MIE_USIE                           (1 << IRQ_U_SOFT)
 
-/* General PointerMasking CSR bits*/
+/* General PointerMasking CSR bits */
 #define PM_ENABLE       0x00000001ULL
 #define PM_CURRENT      0x00000002ULL
 #define PM_INSN         0x00000004ULL
-#define PM_XS_MASK      0x00000003ULL
-
-/* PointerMasking XS bits values */
-#define PM_EXT_DISABLE  0x00000000ULL
-#define PM_EXT_INITIAL  0x00000001ULL
-#define PM_EXT_CLEAN    0x00000002ULL
-#define PM_EXT_DIRTY    0x00000003ULL
 
 /* Execution enviornment configuration bits */
 #define MENVCFG_FIOM                       BIT(0)
@@ -780,7 +778,7 @@ typedef enum RISCVException {
 #define S_OFFSET     5ULL
 #define M_OFFSET     8ULL
 
-#define PM_XS_BITS   (PM_XS_MASK << XS_OFFSET)
+#define PM_XS_BITS   (EXT_STATUS_MASK << XS_OFFSET)
 #define U_PM_ENABLE  (PM_ENABLE  << U_OFFSET)
 #define U_PM_CURRENT (PM_CURRENT << U_OFFSET)
 #define U_PM_INSN    (PM_INSN    << U_OFFSET)
@@ -898,4 +896,7 @@ typedef enum RISCVException {
 #define MHPMEVENT_IDX_MASK                 0xFFFFF
 #define MHPMEVENT_SSCOF_RESVD              16
 
+/* JVT CSR bits */
+#define JVT_MODE                           0x3F
+#define JVT_BASE                           (~0x3F)
 #endif

target/riscv/cpu_vendorid.h

@@ -3,4 +3,8 @@
 
 #define THEAD_VENDOR_ID         0x5b7
 
+#define VEYRON_V1_MARCHID       0x8000000000010000
+#define VEYRON_V1_MIMPID        0x111
+#define VEYRON_V1_MVENDORID     0x61f
+
 #endif /*  TARGET_RISCV_CPU_VENDORID_H */

target/riscv/csr.c

@@ -43,10 +43,9 @@ void riscv_set_csr_ops(int csrno, riscv_csr_operations *ops)
 
 /* Predicates */
 #if !defined(CONFIG_USER_ONLY)
-static RISCVException smstateen_acc_ok(CPURISCVState *env, int index,
-                                       uint64_t bit)
+RISCVException smstateen_acc_ok(CPURISCVState *env, int index, uint64_t bit)
 {
-    bool virt = riscv_cpu_virt_enabled(env);
+    bool virt = env->virt_enabled;
 
     if (env->priv == PRV_M || !riscv_cpu_cfg(env)->ext_smstateen) {
         return RISCV_EXCP_NONE;
@@ -89,9 +88,7 @@ static RISCVException fs(CPURISCVState *env, int csrno)
 
 static RISCVException vs(CPURISCVState *env, int csrno)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
-    if (cpu->cfg.ext_zve32f) {
+    if (riscv_cpu_cfg(env)->ext_zve32f) {
 #if !defined(CONFIG_USER_ONLY)
         if (!env->debugger && !riscv_cpu_vector_enabled(env)) {
             return RISCV_EXCP_ILLEGAL_INST;
@@ -138,7 +135,7 @@ skip_ext_pmu_check:
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
-    if (riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         if (!get_field(env->hcounteren, ctr_mask) ||
             (env->priv == PRV_U && !get_field(env->scounteren, ctr_mask))) {
             return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
@@ -163,6 +160,22 @@ static RISCVException ctr32(CPURISCVState *env, int csrno)
     return ctr(env, csrno);
 }
 
+static RISCVException zcmt(CPURISCVState *env, int csrno)
+{
+    if (!riscv_cpu_cfg(env)->ext_zcmt) {
+        return RISCV_EXCP_ILLEGAL_INST;
+    }
+
+#if !defined(CONFIG_USER_ONLY)
+    RISCVException ret = smstateen_acc_ok(env, 0, SMSTATEEN0_JVT);
+    if (ret != RISCV_EXCP_NONE) {
+        return ret;
+    }
+#endif
+
+    return RISCV_EXCP_NONE;
+}
+
 #if !defined(CONFIG_USER_ONLY)
 static RISCVException mctr(CPURISCVState *env, int csrno)
 {
@@ -176,7 +189,7 @@ static RISCVException mctr(CPURISCVState *env, int csrno)
     }
     ctr_index = csrno - base_csrno;
     if (!pmu_num || ctr_index >= pmu_num) {
-        /* The PMU is not enabled or counter is out of range*/
+        /* The PMU is not enabled or counter is out of range */
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -194,9 +207,7 @@ static RISCVException mctr32(CPURISCVState *env, int csrno)
 
 static RISCVException sscofpmf(CPURISCVState *env, int csrno)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
-    if (!cpu->cfg.ext_sscofpmf) {
+    if (!riscv_cpu_cfg(env)->ext_sscofpmf) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -311,9 +322,7 @@ static RISCVException umode32(CPURISCVState *env, int csrno)
 
 static RISCVException mstateen(CPURISCVState *env, int csrno)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
-    if (!cpu->cfg.ext_smstateen) {
+    if (!riscv_cpu_cfg(env)->ext_smstateen) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -322,9 +331,7 @@ static RISCVException mstateen(CPURISCVState *env, int csrno)
 
 static RISCVException hstateen_pred(CPURISCVState *env, int csrno, int base)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
-    if (!cpu->cfg.ext_smstateen) {
+    if (!riscv_cpu_cfg(env)->ext_smstateen) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -358,7 +365,7 @@ static RISCVException hstateenh(CPURISCVState *env, int csrno)
 
 static RISCVException sstateen(CPURISCVState *env, int csrno)
 {
-    bool virt = riscv_cpu_virt_enabled(env);
+    bool virt = env->virt_enabled;
     int index = csrno - CSR_SSTATEEN0;
 
     if (!riscv_cpu_cfg(env)->ext_smstateen) {
@@ -391,10 +398,9 @@ static RISCVException sstateen(CPURISCVState *env, int csrno)
 
 static RISCVException sstc(CPURISCVState *env, int csrno)
 {
-    RISCVCPU *cpu = env_archcpu(env);
     bool hmode_check = false;
 
-    if (!cpu->cfg.ext_sstc || !env->rdtime_fn) {
+    if (!riscv_cpu_cfg(env)->ext_sstc || !env->rdtime_fn) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -424,7 +430,7 @@ static RISCVException sstc(CPURISCVState *env, int csrno)
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
-    if (riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         if (!(get_field(env->hcounteren, COUNTEREN_TM) &&
               get_field(env->henvcfg, HENVCFG_STCE))) {
             return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
@@ -443,6 +449,30 @@ static RISCVException sstc_32(CPURISCVState *env, int csrno)
     return sstc(env, csrno);
 }
 
+static RISCVException satp(CPURISCVState *env, int csrno)
+{
+    if (env->priv == PRV_S && !env->virt_enabled &&
+        get_field(env->mstatus, MSTATUS_TVM)) {
+        return RISCV_EXCP_ILLEGAL_INST;
+    }
+    if (env->priv == PRV_S && env->virt_enabled &&
+        get_field(env->hstatus, HSTATUS_VTVM)) {
+        return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
+    }
+
+    return smode(env, csrno);
+}
+
+static RISCVException hgatp(CPURISCVState *env, int csrno)
+{
+    if (env->priv == PRV_S && !env->virt_enabled &&
+        get_field(env->mstatus, MSTATUS_TVM)) {
+        return RISCV_EXCP_ILLEGAL_INST;
+    }
+
+    return hmode(env, csrno);
+}
+
 /* Checks if PointerMasking registers could be accessed */
 static RISCVException pointer_masking(CPURISCVState *env, int csrno)
 {
@@ -530,7 +560,7 @@ static RISCVException seed(CPURISCVState *env, int csrno)
      */
     if (env->priv == PRV_M) {
         return RISCV_EXCP_NONE;
-    } else if (riscv_cpu_virt_enabled(env)) {
+    } else if (env->virt_enabled) {
         if (env->mseccfg & MSECCFG_SSEED) {
             return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
         } else {
@@ -871,7 +901,7 @@ static RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong *val,
                                         counter.mhpmcounter_val;
 
     if (get_field(env->mcountinhibit, BIT(ctr_idx))) {
-        /**
+        /*
          * Counter should not increment if inhibit bit is set. We can't really
          * stop the icount counting. Just return the counter value written by
          * the supervisor to indicate that counter was not incremented.
@@ -885,7 +915,7 @@ static RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong *val,
         }
     }
 
-    /**
+    /*
      * The kernel computes the perf delta by subtracting the current value from
      * the value it initialized previously (ctr_val).
      */
@@ -958,7 +988,7 @@ static int read_scountovf(CPURISCVState *env, int csrno, target_ulong *val)
 static RISCVException read_time(CPURISCVState *env, int csrno,
                                 target_ulong *val)
 {
-    uint64_t delta = riscv_cpu_virt_enabled(env) ? env->htimedelta : 0;
+    uint64_t delta = env->virt_enabled ? env->htimedelta : 0;
 
     if (!env->rdtime_fn) {
         return RISCV_EXCP_ILLEGAL_INST;
@@ -971,7 +1001,7 @@ static RISCVException read_time(CPURISCVState *env, int csrno,
 static RISCVException read_timeh(CPURISCVState *env, int csrno,
                                  target_ulong *val)
 {
-    uint64_t delta = riscv_cpu_virt_enabled(env) ? env->htimedelta : 0;
+    uint64_t delta = env->virt_enabled ? env->htimedelta : 0;
 
     if (!env->rdtime_fn) {
         return RISCV_EXCP_ILLEGAL_INST;
@@ -1000,15 +1030,13 @@ static RISCVException read_vstimecmph(CPURISCVState *env, int csrno,
 static RISCVException write_vstimecmp(CPURISCVState *env, int csrno,
                                       target_ulong val)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
     if (riscv_cpu_mxl(env) == MXL_RV32) {
         env->vstimecmp = deposit64(env->vstimecmp, 0, 32, (uint64_t)val);
     } else {
         env->vstimecmp = val;
     }
 
-    riscv_timer_write_timecmp(cpu, env->vstimer, env->vstimecmp,
+    riscv_timer_write_timecmp(env, env->vstimer, env->vstimecmp,
                               env->htimedelta, MIP_VSTIP);
 
     return RISCV_EXCP_NONE;
@@ -1017,10 +1045,8 @@ static RISCVException write_vstimecmp(CPURISCVState *env, int csrno,
 static RISCVException write_vstimecmph(CPURISCVState *env, int csrno,
                                        target_ulong val)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
     env->vstimecmp = deposit64(env->vstimecmp, 32, 32, (uint64_t)val);
-    riscv_timer_write_timecmp(cpu, env->vstimer, env->vstimecmp,
+    riscv_timer_write_timecmp(env, env->vstimer, env->vstimecmp,
                               env->htimedelta, MIP_VSTIP);
 
     return RISCV_EXCP_NONE;
@@ -1029,7 +1055,7 @@ static RISCVException write_vstimecmph(CPURISCVState *env, int csrno,
 static RISCVException read_stimecmp(CPURISCVState *env, int csrno,
                                     target_ulong *val)
 {
-    if (riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         *val = env->vstimecmp;
     } else {
         *val = env->stimecmp;
@@ -1041,7 +1067,7 @@ static RISCVException read_stimecmp(CPURISCVState *env, int csrno,
 static RISCVException read_stimecmph(CPURISCVState *env, int csrno,
                                      target_ulong *val)
 {
-    if (riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         *val = env->vstimecmp >> 32;
     } else {
         *val = env->stimecmp >> 32;
@@ -1053,9 +1079,7 @@ static RISCVException read_stimecmph(CPURISCVState *env, int csrno,
 static RISCVException write_stimecmp(CPURISCVState *env, int csrno,
                                      target_ulong val)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
-    if (riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         if (env->hvictl & HVICTL_VTI) {
             return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
         }
@@ -1068,7 +1092,7 @@ static RISCVException write_stimecmp(CPURISCVState *env, int csrno,
         env->stimecmp = val;
     }
 
-    riscv_timer_write_timecmp(cpu, env->stimer, env->stimecmp, 0, MIP_STIP);
+    riscv_timer_write_timecmp(env, env->stimer, env->stimecmp, 0, MIP_STIP);
 
     return RISCV_EXCP_NONE;
 }
@@ -1076,9 +1100,7 @@ static RISCVException write_stimecmp(CPURISCVState *env, int csrno,
 static RISCVException write_stimecmph(CPURISCVState *env, int csrno,
                                       target_ulong val)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
-    if (riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         if (env->hvictl & HVICTL_VTI) {
             return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
         }
@@ -1086,7 +1108,7 @@ static RISCVException write_stimecmph(CPURISCVState *env, int csrno,
     }
 
     env->stimecmp = deposit64(env->stimecmp, 32, 32, (uint64_t)val);
-    riscv_timer_write_timecmp(cpu, env->stimer, env->stimecmp, 0, MIP_STIP);
+    riscv_timer_write_timecmp(env, env->stimer, env->stimecmp, 0, MIP_STIP);
 
     return RISCV_EXCP_NONE;
 }
@@ -1139,7 +1161,8 @@ static const target_ulong sstatus_v1_10_mask = SSTATUS_SIE | SSTATUS_SPIE |
 static const target_ulong sip_writable_mask = SIP_SSIP | MIP_USIP | MIP_UEIP |
                                               SIP_LCOFIP;
 static const target_ulong hip_writable_mask = MIP_VSSIP;
-static const target_ulong hvip_writable_mask = MIP_VSSIP | MIP_VSTIP | MIP_VSEIP;
+static const target_ulong hvip_writable_mask = MIP_VSSIP | MIP_VSTIP |
+                                               MIP_VSEIP;
 static const target_ulong vsip_writable_mask = MIP_VSSIP;
 
 const bool valid_vm_1_10_32[16] = {
@@ -1171,27 +1194,21 @@ static RISCVException write_ignore(CPURISCVState *env, int csrno,
 static RISCVException read_mvendorid(CPURISCVState *env, int csrno,
                                      target_ulong *val)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
-    *val = cpu->cfg.mvendorid;
+    *val = riscv_cpu_cfg(env)->mvendorid;
     return RISCV_EXCP_NONE;
 }
 
 static RISCVException read_marchid(CPURISCVState *env, int csrno,
                                    target_ulong *val)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
-    *val = cpu->cfg.marchid;
+    *val = riscv_cpu_cfg(env)->marchid;
     return RISCV_EXCP_NONE;
 }
 
 static RISCVException read_mimpid(CPURISCVState *env, int csrno,
                                   target_ulong *val)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
-    *val = cpu->cfg.mimpid;
+    *val = riscv_cpu_cfg(env)->mimpid;
     return RISCV_EXCP_NONE;
 }
 
@@ -1233,9 +1250,34 @@ static RISCVException read_mstatus(CPURISCVState *env, int csrno,
 
 static bool validate_vm(CPURISCVState *env, target_ulong vm)
 {
-    RISCVCPU *cpu = RISCV_CPU(env_cpu(env));
+    return (vm & 0xf) <=
+           satp_mode_max_from_map(riscv_cpu_cfg(env)->satp_mode.map);
+}
+
+static target_ulong legalize_mpp(CPURISCVState *env, target_ulong old_mpp,
+                                 target_ulong val)
+{
+    bool valid = false;
+    target_ulong new_mpp = get_field(val, MSTATUS_MPP);
+
+    switch (new_mpp) {
+    case PRV_M:
+        valid = true;
+        break;
+    case PRV_S:
+        valid = riscv_has_ext(env, RVS);
+        break;
+    case PRV_U:
+        valid = riscv_has_ext(env, RVU);
+        break;
+    }
 
-    return (vm & 0xf) <= satp_mode_max_from_map(cpu->cfg.satp_mode.map);
+    /* Remain field unchanged if new_mpp value is invalid */
+    if (!valid) {
+        val = set_field(val, MSTATUS_MPP, old_mpp);
+    }
+
+    return val;
 }
 
 static RISCVException write_mstatus(CPURISCVState *env, int csrno,
@@ -1245,9 +1287,14 @@ static RISCVException write_mstatus(CPURISCVState *env, int csrno,
     uint64_t mask = 0;
     RISCVMXL xl = riscv_cpu_mxl(env);
 
+    /*
+     * MPP field have been made WARL since priv version 1.11. However,
+     * legalization for it will not break any software running on 1.10.
+     */
+    val = legalize_mpp(env, get_field(mstatus, MSTATUS_MPP), val);
+
     /* flush tlb on mstatus fields that affect VM */
-    if ((val ^ mstatus) & (MSTATUS_MXR | MSTATUS_MPP | MSTATUS_MPV |
-            MSTATUS_MPRV | MSTATUS_SUM)) {
+    if ((val ^ mstatus) & MSTATUS_MXR) {
         tlb_flush(env_cpu(env));
     }
     mask = MSTATUS_SIE | MSTATUS_SPIE | MSTATUS_MIE | MSTATUS_MPIE |
@@ -1295,10 +1342,6 @@ static RISCVException write_mstatush(CPURISCVState *env, int csrno,
     uint64_t valh = (uint64_t)val << 32;
     uint64_t mask = MSTATUS_MPV | MSTATUS_GVA;
 
-    if ((valh ^ env->mstatus) & (MSTATUS_MPV)) {
-        tlb_flush(env_cpu(env));
-    }
-
     env->mstatus = (env->mstatus & ~mask) | (valh & mask);
 
     return RISCV_EXCP_NONE;
@@ -1307,7 +1350,8 @@ static RISCVException write_mstatush(CPURISCVState *env, int csrno,
 static RISCVException read_mstatus_i128(CPURISCVState *env, int csrno,
                                         Int128 *val)
 {
-    *val = int128_make128(env->mstatus, add_status_sd(MXL_RV128, env->mstatus));
+    *val = int128_make128(env->mstatus, add_status_sd(MXL_RV128,
+                                                      env->mstatus));
     return RISCV_EXCP_NONE;
 }
 
@@ -1539,7 +1583,7 @@ static int read_mtopi(CPURISCVState *env, int csrno, target_ulong *val)
 
 static int aia_xlate_vs_csrno(CPURISCVState *env, int csrno)
 {
-    if (!riscv_cpu_virt_enabled(env)) {
+    if (!env->virt_enabled) {
         return csrno;
     }
 
@@ -1696,7 +1740,7 @@ static int rmw_xireg(CPURISCVState *env, int csrno, target_ulong *val,
 
 done:
     if (ret) {
-        return (riscv_cpu_virt_enabled(env) && virt) ?
+        return (env->virt_enabled && virt) ?
                RISCV_EXCP_VIRT_INSTRUCTION_FAULT : RISCV_EXCP_ILLEGAL_INST;
     }
     return RISCV_EXCP_NONE;
@@ -1750,7 +1794,7 @@ static int rmw_xtopei(CPURISCVState *env, int csrno, target_ulong *val,
 
 done:
     if (ret) {
-        return (riscv_cpu_virt_enabled(env) && virt) ?
+        return (env->virt_enabled && virt) ?
                RISCV_EXCP_VIRT_INSTRUCTION_FAULT : RISCV_EXCP_ILLEGAL_INST;
     }
     return RISCV_EXCP_NONE;
@@ -1898,7 +1942,7 @@ static RISCVException read_menvcfg(CPURISCVState *env, int csrno,
 static RISCVException write_menvcfg(CPURISCVState *env, int csrno,
                                     target_ulong val)
 {
-    RISCVCPUConfig *cfg = &env_archcpu(env)->cfg;
+    const RISCVCPUConfig *cfg = riscv_cpu_cfg(env);
     uint64_t mask = MENVCFG_FIOM | MENVCFG_CBIE | MENVCFG_CBCFE | MENVCFG_CBZE;
 
     if (riscv_cpu_mxl(env) == MXL_RV64) {
@@ -1921,7 +1965,7 @@ static RISCVException read_menvcfgh(CPURISCVState *env, int csrno,
 static RISCVException write_menvcfgh(CPURISCVState *env, int csrno,
                                      target_ulong val)
 {
-    RISCVCPUConfig *cfg = &env_archcpu(env)->cfg;
+    const RISCVCPUConfig *cfg = riscv_cpu_cfg(env);
     uint64_t mask = (cfg->ext_svpbmt ? MENVCFG_PBMTE : 0) |
                     (cfg->ext_sstc ? MENVCFG_STCE : 0) |
                     (cfg->ext_svadu ? MENVCFG_HADE : 0);
@@ -2180,7 +2224,7 @@ static RISCVException write_hstateenh_1_3(CPURISCVState *env, int csrno,
 static RISCVException read_sstateen(CPURISCVState *env, int csrno,
                                     target_ulong *val)
 {
-    bool virt = riscv_cpu_virt_enabled(env);
+    bool virt = env->virt_enabled;
     int index = csrno - CSR_SSTATEEN0;
 
     *val = env->sstateen[index] & env->mstateen[index];
@@ -2194,7 +2238,7 @@ static RISCVException read_sstateen(CPURISCVState *env, int csrno,
 static RISCVException write_sstateen(CPURISCVState *env, int csrno,
                                      uint64_t mask, target_ulong new_val)
 {
-    bool virt = riscv_cpu_virt_enabled(env);
+    bool virt = env->virt_enabled;
     int index = csrno - CSR_SSTATEEN0;
     uint64_t wr_mask;
     uint64_t *reg;
@@ -2228,7 +2272,6 @@ static RISCVException rmw_mip64(CPURISCVState *env, int csrno,
                                 uint64_t *ret_val,
                                 uint64_t new_val, uint64_t wr_mask)
 {
-    RISCVCPU *cpu = env_archcpu(env);
     uint64_t old_mip, mask = wr_mask & delegable_ints;
     uint32_t gin;
 
@@ -2237,14 +2280,14 @@ static RISCVException rmw_mip64(CPURISCVState *env, int csrno,
         new_val |= env->external_seip * MIP_SEIP;
     }
 
-    if (cpu->cfg.ext_sstc && (env->priv == PRV_M) &&
+    if (riscv_cpu_cfg(env)->ext_sstc && (env->priv == PRV_M) &&
         get_field(env->menvcfg, MENVCFG_STCE)) {
         /* sstc extension forbids STIP & VSTIP to be writeable in mip */
         mask = mask & ~(MIP_STIP | MIP_VSTIP);
     }
 
     if (mask) {
-        old_mip = riscv_cpu_update_mip(cpu, mask, (new_val & mask));
+        old_mip = riscv_cpu_update_mip(env, mask, (new_val & mask));
     } else {
         old_mip = env->mip;
     }
@@ -2390,7 +2433,7 @@ static RISCVException rmw_sie64(CPURISCVState *env, int csrno,
     RISCVException ret;
     uint64_t mask = env->mideleg & S_MODE_INTERRUPTS;
 
-    if (riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         if (env->hvictl & HVICTL_VTI) {
             return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
         }
@@ -2600,7 +2643,7 @@ static RISCVException rmw_sip64(CPURISCVState *env, int csrno,
     RISCVException ret;
     uint64_t mask = env->mideleg & sip_writable_mask;
 
-    if (riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         if (env->hvictl & HVICTL_VTI) {
             return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
         }
@@ -2655,13 +2698,7 @@ static RISCVException read_satp(CPURISCVState *env, int csrno,
         *val = 0;
         return RISCV_EXCP_NONE;
     }
-
-    if (env->priv == PRV_S && get_field(env->mstatus, MSTATUS_TVM)) {
-        return RISCV_EXCP_ILLEGAL_INST;
-    } else {
-        *val = env->satp;
-    }
-
+    *val = env->satp;
     return RISCV_EXCP_NONE;
 }
 
@@ -2684,18 +2721,14 @@ static RISCVException write_satp(CPURISCVState *env, int csrno,
     }
 
     if (vm && mask) {
-        if (env->priv == PRV_S && get_field(env->mstatus, MSTATUS_TVM)) {
-            return RISCV_EXCP_ILLEGAL_INST;
-        } else {
-            /*
-             * The ISA defines SATP.MODE=Bare as "no translation", but we still
-             * pass these through QEMU's TLB emulation as it improves
-             * performance.  Flushing the TLB on SATP writes with paging
-             * enabled avoids leaking those invalid cached mappings.
-             */
-            tlb_flush(env_cpu(env));
-            env->satp = val;
-        }
+        /*
+         * The ISA defines SATP.MODE=Bare as "no translation", but we still
+         * pass these through QEMU's TLB emulation as it improves
+         * performance.  Flushing the TLB on SATP writes with paging
+         * enabled avoids leaking those invalid cached mappings.
+         */
+        tlb_flush(env_cpu(env));
+        env->satp = val;
     }
     return RISCV_EXCP_NONE;
 }
@@ -2793,7 +2826,7 @@ static int read_stopi(CPURISCVState *env, int csrno, target_ulong *val)
     int irq;
     uint8_t iprio;
 
-    if (riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         return read_vstopi(env, CSR_VSTOPI, val);
     }
 
@@ -2833,7 +2866,8 @@ static RISCVException write_hstatus(CPURISCVState *env, int csrno,
 {
     env->hstatus = val;
     if (riscv_cpu_mxl(env) != MXL_RV32 && get_field(val, HSTATUS_VSXL) != 2) {
-        qemu_log_mask(LOG_UNIMP, "QEMU does not support mixed HSXLEN options.");
+        qemu_log_mask(LOG_UNIMP,
+                      "QEMU does not support mixed HSXLEN options.");
     }
     if (get_field(val, HSTATUS_VSBE) != 0) {
         qemu_log_mask(LOG_UNIMP, "QEMU does not support big endian guests.");
@@ -3004,7 +3038,7 @@ static RISCVException write_hgeie(CPURISCVState *env, int csrno,
     val &= ((((target_ulong)1) << env->geilen) - 1) << 1;
     env->hgeie = val;
     /* Update mip.SGEIP bit */
-    riscv_cpu_update_mip(env_archcpu(env), MIP_SGEIP,
+    riscv_cpu_update_mip(env, MIP_SGEIP,
                          BOOL_TO_MASK(!!(env->hgeie & env->hgeip)));
     return RISCV_EXCP_NONE;
 }
@@ -3073,8 +3107,6 @@ static RISCVException read_htimedelta(CPURISCVState *env, int csrno,
 static RISCVException write_htimedelta(CPURISCVState *env, int csrno,
                                        target_ulong val)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
     if (!env->rdtime_fn) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
@@ -3085,8 +3117,8 @@ static RISCVException write_htimedelta(CPURISCVState *env, int csrno,
         env->htimedelta = val;
     }
 
-    if (cpu->cfg.ext_sstc && env->rdtime_fn) {
-        riscv_timer_write_timecmp(cpu, env->vstimer, env->vstimecmp,
+    if (riscv_cpu_cfg(env)->ext_sstc && env->rdtime_fn) {
+        riscv_timer_write_timecmp(env, env->vstimer, env->vstimecmp,
                                   env->htimedelta, MIP_VSTIP);
     }
 
@@ -3107,16 +3139,14 @@ static RISCVException read_htimedeltah(CPURISCVState *env, int csrno,
 static RISCVException write_htimedeltah(CPURISCVState *env, int csrno,
                                         target_ulong val)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
     if (!env->rdtime_fn) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
     env->htimedelta = deposit64(env->htimedelta, 32, 32, (uint64_t)val);
 
-    if (cpu->cfg.ext_sstc && env->rdtime_fn) {
-        riscv_timer_write_timecmp(cpu, env->vstimer, env->vstimecmp,
+    if (riscv_cpu_cfg(env)->ext_sstc && env->rdtime_fn) {
+        riscv_timer_write_timecmp(env, env->vstimer, env->vstimecmp,
                                   env->htimedelta, MIP_VSTIP);
     }
 
@@ -3142,7 +3172,7 @@ static int read_hvipriox(CPURISCVState *env, int first_index,
 
     /* First index has to be a multiple of number of irqs per register */
     if (first_index % num_irqs) {
-        return (riscv_cpu_virt_enabled(env)) ?
+        return (env->virt_enabled) ?
                RISCV_EXCP_VIRT_INSTRUCTION_FAULT : RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -3168,7 +3198,7 @@ static int write_hvipriox(CPURISCVState *env, int first_index,
 
     /* First index has to be a multiple of number of irqs per register */
     if (first_index % num_irqs) {
-        return (riscv_cpu_virt_enabled(env)) ?
+        return (env->virt_enabled) ?
                RISCV_EXCP_VIRT_INSTRUCTION_FAULT : RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -3504,16 +3534,16 @@ static RISCVException write_mmte(CPURISCVState *env, int csrno,
     target_ulong wpri_val = val & MMTE_MASK;
 
     if (val != wpri_val) {
-        qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s" TARGET_FMT_lx "\n",
-                      "MMTE: WPRI violation written 0x", val,
-                      "vs expected 0x", wpri_val);
+        qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s"
+                      TARGET_FMT_lx "\n", "MMTE: WPRI violation written 0x",
+                      val, "vs expected 0x", wpri_val);
     }
     /* for machine mode pm.current is hardwired to 1 */
     wpri_val |= MMTE_M_PM_CURRENT;
 
     /* hardwiring pm.instruction bit to 0, since it's not supported yet */
     wpri_val &= ~(MMTE_M_PM_INSN | MMTE_S_PM_INSN | MMTE_U_PM_INSN);
-    env->mmte = wpri_val | PM_EXT_DIRTY;
+    env->mmte = wpri_val | EXT_STATUS_DIRTY;
     riscv_cpu_update_mask(env);
 
     /* Set XS and SD bits, since PM CSRs are dirty */
@@ -3535,9 +3565,9 @@ static RISCVException write_smte(CPURISCVState *env, int csrno,
     target_ulong wpri_val = val & SMTE_MASK;
 
     if (val != wpri_val) {
-        qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s" TARGET_FMT_lx "\n",
-                      "SMTE: WPRI violation written 0x", val,
-                      "vs expected 0x", wpri_val);
+        qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s"
+                      TARGET_FMT_lx "\n", "SMTE: WPRI violation written 0x",
+                      val, "vs expected 0x", wpri_val);
     }
 
     /* if pm.current==0 we can't modify current PM CSRs */
@@ -3563,9 +3593,9 @@ static RISCVException write_umte(CPURISCVState *env, int csrno,
     target_ulong wpri_val = val & UMTE_MASK;
 
     if (val != wpri_val) {
-        qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s" TARGET_FMT_lx "\n",
-                      "UMTE: WPRI violation written 0x", val,
-                      "vs expected 0x", wpri_val);
+        qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s"
+                      TARGET_FMT_lx "\n", "UMTE: WPRI violation written 0x",
+                      val, "vs expected 0x", wpri_val);
     }
 
     if (check_pm_current_disabled(env, csrno)) {
@@ -3593,7 +3623,7 @@ static RISCVException write_mpmmask(CPURISCVState *env, int csrno,
     if ((env->priv == PRV_M) && (env->mmte & M_PM_ENABLE)) {
         env->cur_pmmask = val;
     }
-    env->mmte |= PM_EXT_DIRTY;
+    env->mmte |= EXT_STATUS_DIRTY;
 
     /* Set XS and SD bits, since PM CSRs are dirty */
     mstatus = env->mstatus | MSTATUS_XS;
@@ -3621,7 +3651,7 @@ static RISCVException write_spmmask(CPURISCVState *env, int csrno,
     if ((env->priv == PRV_S) && (env->mmte & S_PM_ENABLE)) {
         env->cur_pmmask = val;
     }
-    env->mmte |= PM_EXT_DIRTY;
+    env->mmte |= EXT_STATUS_DIRTY;
 
     /* Set XS and SD bits, since PM CSRs are dirty */
     mstatus = env->mstatus | MSTATUS_XS;
@@ -3649,7 +3679,7 @@ static RISCVException write_upmmask(CPURISCVState *env, int csrno,
     if ((env->priv == PRV_U) && (env->mmte & U_PM_ENABLE)) {
         env->cur_pmmask = val;
     }
-    env->mmte |= PM_EXT_DIRTY;
+    env->mmte |= EXT_STATUS_DIRTY;
 
     /* Set XS and SD bits, since PM CSRs are dirty */
     mstatus = env->mstatus | MSTATUS_XS;
@@ -3673,7 +3703,7 @@ static RISCVException write_mpmbase(CPURISCVState *env, int csrno,
     if ((env->priv == PRV_M) && (env->mmte & M_PM_ENABLE)) {
         env->cur_pmbase = val;
     }
-    env->mmte |= PM_EXT_DIRTY;
+    env->mmte |= EXT_STATUS_DIRTY;
 
     /* Set XS and SD bits, since PM CSRs are dirty */
     mstatus = env->mstatus | MSTATUS_XS;
@@ -3701,7 +3731,7 @@ static RISCVException write_spmbase(CPURISCVState *env, int csrno,
     if ((env->priv == PRV_S) && (env->mmte & S_PM_ENABLE)) {
         env->cur_pmbase = val;
     }
-    env->mmte |= PM_EXT_DIRTY;
+    env->mmte |= EXT_STATUS_DIRTY;
 
     /* Set XS and SD bits, since PM CSRs are dirty */
     mstatus = env->mstatus | MSTATUS_XS;
@@ -3729,7 +3759,7 @@ static RISCVException write_upmbase(CPURISCVState *env, int csrno,
     if ((env->priv == PRV_U) && (env->mmte & U_PM_ENABLE)) {
         env->cur_pmbase = val;
     }
-    env->mmte |= PM_EXT_DIRTY;
+    env->mmte |= EXT_STATUS_DIRTY;
 
     /* Set XS and SD bits, since PM CSRs are dirty */
     mstatus = env->mstatus | MSTATUS_XS;
@@ -3785,15 +3815,19 @@ static RISCVException rmw_seed(CPURISCVState *env, int csrno,
 
 static inline RISCVException riscv_csrrw_check(CPURISCVState *env,
                                                int csrno,
-                                               bool write_mask,
-                                               RISCVCPU *cpu)
+                                               bool write_mask)
 {
     /* check privileges and return RISCV_EXCP_ILLEGAL_INST if check fails */
     bool read_only = get_field(csrno, 0xC00) == 3;
     int csr_min_priv = csr_ops[csrno].min_priv_ver;
 
     /* ensure the CSR extension is enabled */
-    if (!cpu->cfg.ext_icsr) {
+    if (!riscv_cpu_cfg(env)->ext_icsr) {
+        return RISCV_EXCP_ILLEGAL_INST;
+    }
+
+    /* ensure CSR is implemented by checking predicate */
+    if (!csr_ops[csrno].predicate) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -3814,7 +3848,6 @@ static inline RISCVException riscv_csrrw_check(CPURISCVState *env,
      * illegal instruction exception should be triggered instead of virtual
      * instruction exception. Hence this comes after the read / write check.
      */
-    g_assert(csr_ops[csrno].predicate != NULL);
     RISCVException ret = csr_ops[csrno].predicate(env, csrno);
     if (ret != RISCV_EXCP_NONE) {
         return ret;
@@ -3824,7 +3857,7 @@ static inline RISCVException riscv_csrrw_check(CPURISCVState *env,
     int csr_priv, effective_priv = env->priv;
 
     if (riscv_has_ext(env, RVH) && env->priv == PRV_S &&
-        !riscv_cpu_virt_enabled(env)) {
+        !env->virt_enabled) {
         /*
          * We are in HS mode. Add 1 to the effective privledge level to
          * allow us to access the Hypervisor CSRs.
@@ -3834,7 +3867,7 @@ static inline RISCVException riscv_csrrw_check(CPURISCVState *env,
 
     csr_priv = get_field(csrno, 0x300);
     if (!env->debugger && (effective_priv < csr_priv)) {
-        if (csr_priv == (PRV_S + 1) && riscv_cpu_virt_enabled(env)) {
+        if (csr_priv == (PRV_S + 1) && env->virt_enabled) {
             return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
         }
         return RISCV_EXCP_ILLEGAL_INST;
@@ -3889,9 +3922,7 @@ RISCVException riscv_csrrw(CPURISCVState *env, int csrno,
                            target_ulong *ret_value,
                            target_ulong new_value, target_ulong write_mask)
 {
-    RISCVCPU *cpu = env_archcpu(env);
-
-    RISCVException ret = riscv_csrrw_check(env, csrno, write_mask, cpu);
+    RISCVException ret = riscv_csrrw_check(env, csrno, write_mask);
     if (ret != RISCV_EXCP_NONE) {
         return ret;
     }
@@ -3944,9 +3975,8 @@ RISCVException riscv_csrrw_i128(CPURISCVState *env, int csrno,
                                 Int128 new_value, Int128 write_mask)
 {
     RISCVException ret;
-    RISCVCPU *cpu = env_archcpu(env);
 
-    ret = riscv_csrrw_check(env, csrno, int128_nz(write_mask), cpu);
+    ret = riscv_csrrw_check(env, csrno, int128_nz(write_mask));
     if (ret != RISCV_EXCP_NONE) {
         return ret;
     }
@@ -3959,7 +3989,8 @@ RISCVException riscv_csrrw_i128(CPURISCVState *env, int csrno,
      * Fall back to 64-bit version for now, if the 128-bit alternative isn't
      * at all defined.
      * Note, some CSRs don't need to extend to MXLEN (64 upper bits non
-     * significant), for those, this fallback is correctly handling the accesses
+     * significant), for those, this fallback is correctly handling the
+     * accesses
      */
     target_ulong old_value;
     ret = riscv_csrrw_do64(env, csrno, &old_value,
@@ -3991,7 +4022,24 @@ RISCVException riscv_csrrw_debug(CPURISCVState *env, int csrno,
     return ret;
 }
 
-/* Control and Status Register function table */
+static RISCVException read_jvt(CPURISCVState *env, int csrno,
+                               target_ulong *val)
+{
+    *val = env->jvt;
+    return RISCV_EXCP_NONE;
+}
+
+static RISCVException write_jvt(CPURISCVState *env, int csrno,
+                                target_ulong val)
+{
+    env->jvt = val;
+    return RISCV_EXCP_NONE;
+}
+
+/*
+ * Control and Status Register function table
+ * riscv_csr_operations::predicate() must be provided for an implemented CSR
+ */
 riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
     /* User Floating-Point CSRs */
     [CSR_FFLAGS]   = { "fflags",   fs,     read_fflags,  write_fflags },
@@ -4021,6 +4069,9 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
     /* Crypto Extension */
     [CSR_SEED] = { "seed", seed, NULL, NULL, rmw_seed },
 
+    /* Zcmt Extension */
+    [CSR_JVT] = {"jvt", zcmt, read_jvt, write_jvt},
+
 #if !defined(CONFIG_USER_ONLY)
     /* Machine Timers and Counters */
     [CSR_MCYCLE]    = { "mcycle",    any,   read_hpmcounter,
@@ -4155,11 +4206,11 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
 
     /* Supervisor Trap Setup */
     [CSR_SSTATUS]    = { "sstatus",    smode, read_sstatus,    write_sstatus,
-                         NULL,                read_sstatus_i128               },
-    [CSR_SIE]        = { "sie",        smode, NULL,   NULL,    rmw_sie        },
-    [CSR_STVEC]      = { "stvec",      smode, read_stvec,      write_stvec    },
+                         NULL,                read_sstatus_i128              },
+    [CSR_SIE]        = { "sie",        smode, NULL,   NULL,    rmw_sie       },
+    [CSR_STVEC]      = { "stvec",      smode, read_stvec,      write_stvec   },
     [CSR_SCOUNTEREN] = { "scounteren", smode, read_scounteren,
-                         write_scounteren                                     },
+                         write_scounteren                                    },
 
     /* Supervisor Trap Handling */
     [CSR_SSCRATCH] = { "sscratch", smode, read_sscratch, write_sscratch,
@@ -4180,7 +4231,7 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
                          .min_priv_ver = PRIV_VERSION_1_12_0 },
 
     /* Supervisor Protection and Translation */
-    [CSR_SATP]     = { "satp",     smode, read_satp,     write_satp     },
+    [CSR_SATP]     = { "satp",     satp, read_satp,     write_satp     },
 
     /* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
     [CSR_SISELECT]   = { "siselect",   aia_smode, NULL, NULL, rmw_xiselect },
@@ -4217,7 +4268,7 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
                           .min_priv_ver = PRIV_VERSION_1_12_0                },
     [CSR_HGEIP]       = { "hgeip",       hmode,   read_hgeip,
                           .min_priv_ver = PRIV_VERSION_1_12_0                },
-    [CSR_HGATP]       = { "hgatp",       hmode,   read_hgatp,   write_hgatp,
+    [CSR_HGATP]       = { "hgatp",       hgatp,   read_hgatp,   write_hgatp,
                           .min_priv_ver = PRIV_VERSION_1_12_0                },
     [CSR_HTIMEDELTA]  = { "htimedelta",  hmode,   read_htimedelta,
                           write_htimedelta,

target/riscv/debug.c

@@ -282,8 +282,8 @@ static target_ulong type2_mcontrol_validate(CPURISCVState *env,
     /* validate size encoding */
     size = type2_breakpoint_size(env, ctrl);
     if (access_size[size] == -1) {
-        qemu_log_mask(LOG_UNIMP, "access size %d is not supported, using SIZE_ANY\n",
-                      size);
+        qemu_log_mask(LOG_UNIMP, "access size %d is not supported, using "
+                                 "SIZE_ANY\n", size);
     } else {
         val |= (ctrl & TYPE2_SIZELO);
         if (riscv_cpu_mxl(env) == MXL_RV64) {
@@ -411,8 +411,8 @@ static target_ulong type6_mcontrol6_validate(CPURISCVState *env,
     /* validate size encoding */
     size = extract32(ctrl, 16, 4);
     if (access_size[size] == -1) {
-        qemu_log_mask(LOG_UNIMP, "access size %d is not supported, using SIZE_ANY\n",
-                      size);
+        qemu_log_mask(LOG_UNIMP, "access size %d is not supported, using "
+                                 "SIZE_ANY\n", size);
     } else {
         val |= (ctrl & TYPE6_SIZE);
     }
@@ -515,7 +515,7 @@ itrigger_set_count(CPURISCVState *env, int index, int value)
 static bool check_itrigger_priv(CPURISCVState *env, int index)
 {
     target_ulong tdata1 = env->tdata1[index];
-    if (riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         /* check VU/VS bit against current privilege level */
         return (get_field(tdata1, ITRIGGER_VS) == env->priv) ||
                (get_field(tdata1, ITRIGGER_VU) == env->priv);
@@ -696,7 +696,8 @@ target_ulong tdata_csr_read(CPURISCVState *env, int tdata_index)
     int trigger_type;
     switch (tdata_index) {
     case TDATA1:
-        trigger_type = extract_trigger_type(env, env->tdata1[env->trigger_cur]);
+        trigger_type = extract_trigger_type(env,
+                                            env->tdata1[env->trigger_cur]);
         if ((trigger_type == TRIGGER_TYPE_INST_CNT) && icount_enabled()) {
             return deposit64(env->tdata1[env->trigger_cur], 10, 14,
                              itrigger_get_adjust_count(env));
@@ -787,7 +788,7 @@ bool riscv_cpu_debug_check_breakpoint(CPUState *cs)
             switch (trigger_type) {
             case TRIGGER_TYPE_AD_MATCH:
                 /* type 2 trigger cannot be fired in VU/VS mode */
-                if (riscv_cpu_virt_enabled(env)) {
+                if (env->virt_enabled) {
                     return false;
                 }
 
@@ -806,7 +807,7 @@ bool riscv_cpu_debug_check_breakpoint(CPUState *cs)
                 pc = env->tdata2[i];
 
                 if ((ctrl & TYPE6_EXEC) && (bp->pc == pc)) {
-                    if (riscv_cpu_virt_enabled(env)) {
+                    if (env->virt_enabled) {
                         /* check VU/VS bit against current privilege level */
                         if ((ctrl >> 23) & BIT(env->priv)) {
                             return true;
@@ -845,7 +846,7 @@ bool riscv_cpu_debug_check_watchpoint(CPUState *cs, CPUWatchpoint *wp)
         switch (trigger_type) {
         case TRIGGER_TYPE_AD_MATCH:
             /* type 2 trigger cannot be fired in VU/VS mode */
-            if (riscv_cpu_virt_enabled(env)) {
+            if (env->virt_enabled) {
                 return false;
             }
 
@@ -880,7 +881,7 @@ bool riscv_cpu_debug_check_watchpoint(CPUState *cs, CPUWatchpoint *wp)
             }
 
             if ((wp->flags & flags) && (wp->vaddr == addr)) {
-                if (riscv_cpu_virt_enabled(env)) {
+                if (env->virt_enabled) {
                     /* check VU/VS bit against current privilege level */
                     if ((ctrl >> 23) & BIT(env->priv)) {
                         return true;

target/riscv/fpu_helper.c

@@ -248,8 +248,8 @@ uint64_t helper_fmin_s(CPURISCVState *env, uint64_t rs1, uint64_t rs2)
     float32 frs1 = check_nanbox_s(env, rs1);
     float32 frs2 = check_nanbox_s(env, rs2);
     return nanbox_s(env, env->priv_ver < PRIV_VERSION_1_11_0 ?
-                    float32_minnum(frs1, frs2, &env->fp_status) :
-                    float32_minimum_number(frs1, frs2, &env->fp_status));
+                         float32_minnum(frs1, frs2, &env->fp_status) :
+                         float32_minimum_number(frs1, frs2, &env->fp_status));
 }
 
 uint64_t helper_fmax_s(CPURISCVState *env, uint64_t rs1, uint64_t rs2)
@@ -257,8 +257,8 @@ uint64_t helper_fmax_s(CPURISCVState *env, uint64_t rs1, uint64_t rs2)
     float32 frs1 = check_nanbox_s(env, rs1);
     float32 frs2 = check_nanbox_s(env, rs2);
     return nanbox_s(env, env->priv_ver < PRIV_VERSION_1_11_0 ?
-                    float32_maxnum(frs1, frs2, &env->fp_status) :
-                    float32_maximum_number(frs1, frs2, &env->fp_status));
+                         float32_maxnum(frs1, frs2, &env->fp_status) :
+                         float32_maximum_number(frs1, frs2, &env->fp_status));
 }
 
 uint64_t helper_fsqrt_s(CPURISCVState *env, uint64_t rs1)
@@ -361,15 +361,15 @@ uint64_t helper_fdiv_d(CPURISCVState *env, uint64_t frs1, uint64_t frs2)
 uint64_t helper_fmin_d(CPURISCVState *env, uint64_t frs1, uint64_t frs2)
 {
     return env->priv_ver < PRIV_VERSION_1_11_0 ?
-            float64_minnum(frs1, frs2, &env->fp_status) :
-            float64_minimum_number(frs1, frs2, &env->fp_status);
+           float64_minnum(frs1, frs2, &env->fp_status) :
+           float64_minimum_number(frs1, frs2, &env->fp_status);
 }
 
 uint64_t helper_fmax_d(CPURISCVState *env, uint64_t frs1, uint64_t frs2)
 {
     return env->priv_ver < PRIV_VERSION_1_11_0 ?
-            float64_maxnum(frs1, frs2, &env->fp_status) :
-            float64_maximum_number(frs1, frs2, &env->fp_status);
+           float64_maxnum(frs1, frs2, &env->fp_status) :
+           float64_maximum_number(frs1, frs2, &env->fp_status);
 }
 
 uint64_t helper_fcvt_s_d(CPURISCVState *env, uint64_t rs1)
@@ -481,8 +481,8 @@ uint64_t helper_fmin_h(CPURISCVState *env, uint64_t rs1, uint64_t rs2)
     float16 frs1 = check_nanbox_h(env, rs1);
     float16 frs2 = check_nanbox_h(env, rs2);
     return nanbox_h(env, env->priv_ver < PRIV_VERSION_1_11_0 ?
-                    float16_minnum(frs1, frs2, &env->fp_status) :
-                    float16_minimum_number(frs1, frs2, &env->fp_status));
+                         float16_minnum(frs1, frs2, &env->fp_status) :
+                         float16_minimum_number(frs1, frs2, &env->fp_status));
 }
 
 uint64_t helper_fmax_h(CPURISCVState *env, uint64_t rs1, uint64_t rs2)
@@ -490,8 +490,8 @@ uint64_t helper_fmax_h(CPURISCVState *env, uint64_t rs1, uint64_t rs2)
     float16 frs1 = check_nanbox_h(env, rs1);
     float16 frs2 = check_nanbox_h(env, rs2);
     return nanbox_h(env, env->priv_ver < PRIV_VERSION_1_11_0 ?
-                    float16_maxnum(frs1, frs2, &env->fp_status) :
-                    float16_maximum_number(frs1, frs2, &env->fp_status));
+                         float16_maxnum(frs1, frs2, &env->fp_status) :
+                         float16_maximum_number(frs1, frs2, &env->fp_status));
 }
 
 uint64_t helper_fsqrt_h(CPURISCVState *env, uint64_t rs1)

target/riscv/gdbstub.c

@@ -130,7 +130,7 @@ static int riscv_gdb_set_fpu(CPURISCVState *env, uint8_t *mem_buf, int n)
 
 static int riscv_gdb_get_vector(CPURISCVState *env, GByteArray *buf, int n)
 {
-    uint16_t vlenb = env_archcpu(env)->cfg.vlen >> 3;
+    uint16_t vlenb = riscv_cpu_cfg(env)->vlen >> 3;
     if (n < 32) {
         int i;
         int cnt = 0;
@@ -146,7 +146,7 @@ static int riscv_gdb_get_vector(CPURISCVState *env, GByteArray *buf, int n)
 
 static int riscv_gdb_set_vector(CPURISCVState *env, uint8_t *mem_buf, int n)
 {
-    uint16_t vlenb = env_archcpu(env)->cfg.vlen >> 3;
+    uint16_t vlenb = riscv_cpu_cfg(env)->vlen >> 3;
     if (n < 32) {
         int i;
         for (i = 0; i < vlenb; i += 8) {
@@ -203,7 +203,7 @@ static int riscv_gdb_set_virtual(CPURISCVState *cs, uint8_t *mem_buf, int n)
     if (n == 0) {
 #ifndef CONFIG_USER_ONLY
         cs->priv = ldtul_p(mem_buf) & 0x3;
-        if (cs->priv == PRV_H) {
+        if (cs->priv == PRV_RESERVED) {
             cs->priv = PRV_S;
         }
 #endif
@@ -321,7 +321,8 @@ void riscv_cpu_register_gdb_regs_for_features(CPUState *cs)
     }
     if (env->misa_ext & RVV) {
         int base_reg = cs->gdb_num_regs;
-        gdb_register_coprocessor(cs, riscv_gdb_get_vector, riscv_gdb_set_vector,
+        gdb_register_coprocessor(cs, riscv_gdb_get_vector,
+                                 riscv_gdb_set_vector,
                                  ricsv_gen_dynamic_vector_xml(cs, base_reg),
                                  "riscv-vector.xml", 0);
     }

target/riscv/helper.h

@@ -123,8 +123,16 @@ DEF_HELPER_1(itrigger_match, void, env)
 #ifndef CONFIG_USER_ONLY
 DEF_HELPER_1(hyp_tlb_flush, void, env)
 DEF_HELPER_1(hyp_gvma_tlb_flush, void, env)
-DEF_HELPER_2(hyp_hlvx_hu, tl, env, tl)
-DEF_HELPER_2(hyp_hlvx_wu, tl, env, tl)
+DEF_HELPER_FLAGS_2(hyp_hlv_bu, TCG_CALL_NO_WG, tl, env, tl)
+DEF_HELPER_FLAGS_2(hyp_hlv_hu, TCG_CALL_NO_WG, tl, env, tl)
+DEF_HELPER_FLAGS_2(hyp_hlv_wu, TCG_CALL_NO_WG, tl, env, tl)
+DEF_HELPER_FLAGS_2(hyp_hlv_d, TCG_CALL_NO_WG, tl, env, tl)
+DEF_HELPER_FLAGS_2(hyp_hlvx_hu, TCG_CALL_NO_WG, tl, env, tl)
+DEF_HELPER_FLAGS_2(hyp_hlvx_wu, TCG_CALL_NO_WG, tl, env, tl)
+DEF_HELPER_FLAGS_3(hyp_hsv_b, TCG_CALL_NO_WG, void, env, tl, tl)
+DEF_HELPER_FLAGS_3(hyp_hsv_h, TCG_CALL_NO_WG, void, env, tl, tl)
+DEF_HELPER_FLAGS_3(hyp_hsv_w, TCG_CALL_NO_WG, void, env, tl, tl)
+DEF_HELPER_FLAGS_3(hyp_hsv_d, TCG_CALL_NO_WG, void, env, tl, tl)
 #endif
 
 /* Vector functions */
@@ -1142,3 +1150,6 @@ DEF_HELPER_FLAGS_1(aes64im, TCG_CALL_NO_RWG_SE, tl, tl)
 
 DEF_HELPER_FLAGS_3(sm4ed, TCG_CALL_NO_RWG_SE, tl, tl, tl, tl)
 DEF_HELPER_FLAGS_3(sm4ks, TCG_CALL_NO_RWG_SE, tl, tl, tl, tl)
+
+/* Zce helper */
+DEF_HELPER_FLAGS_2(cm_jalt, TCG_CALL_NO_WG, tl, env, i32)

target/riscv/insn16.decode

@@ -21,6 +21,8 @@
 %rs1_3     7:3                !function=ex_rvc_register
 %rs2_3     2:3                !function=ex_rvc_register
 %rs2_5     2:5
+%r1s       7:3                !function=ex_sreg_register
+%r2s       2:3                !function=ex_sreg_register
 
 # Immediates:
 %imm_ci        12:s1 2:5
@@ -43,6 +45,11 @@
 %imm_addi16sp  12:s1 3:2 5:1 2:1 6:1 !function=ex_shift_4
 %imm_lui       12:s1 2:5             !function=ex_shift_12
 
+%uimm_cl_b  5:1 6:1
+%uimm_cl_h  5:1                      !function=ex_shift_1
+%spimm      2:2                      !function=ex_shift_4
+%urlist     4:4
+%index      2:8
 
 # Argument sets imported from insn32.decode:
 &empty                  !extern
@@ -53,7 +60,11 @@
 &b         imm rs2 rs1  !extern
 &u         imm rd       !extern
 &shift     shamt rs1 rd !extern
+&r2        rd rs1       !extern
+&r2_s      rs1 rs2      !extern
 
+&cmpp      urlist spimm
+&cmjt      index
 
 # Formats 16:
 @cr        ....  ..... .....  .. &r      rs2=%rs2_5       rs1=%rd     %rd
@@ -89,6 +100,15 @@
 
 @c_andi         ... . .. ... ..... .. &i imm=%imm_ci rs1=%rs1_3 rd=%rs1_3
 
+@cu           ... ...  ... .. ... ..  &r2                 rs1=%rs1_3 rd=%rs1_3
+@cl_b         ... . .. ... .. ... ..  &i  imm=%uimm_cl_b  rs1=%rs1_3 rd=%rs2_3
+@cl_h         ... . .. ... .. ... ..  &i  imm=%uimm_cl_h  rs1=%rs1_3 rd=%rs2_3
+@cs_b         ... . .. ... .. ... ..  &s  imm=%uimm_cl_b  rs1=%rs1_3 rs2=%rs2_3
+@cs_h         ... . .. ... .. ... ..  &s  imm=%uimm_cl_h  rs1=%rs1_3 rs2=%rs2_3
+@cm_pp        ... ...  ........   ..  &cmpp  %urlist      %spimm
+@cm_mv        ... ...  ... .. ... ..  &r2_s  rs2=%r2s     rs1=%r1s
+@cm_jt        ... ...  ........   ..  &cmjt  %index
+
 # *** RV32/64C Standard Extension (Quadrant 0) ***
 {
   # Opcode of all zeros is illegal; rd != 0, nzuimm == 0 is reserved.
@@ -97,23 +117,23 @@
 }
 {
   lq              001  ... ... .. ... 00 @cl_q
-  fld             001  ... ... .. ... 00 @cl_d
+  c_fld           001  ... ... .. ... 00 @cl_d
 }
 lw                010  ... ... .. ... 00 @cl_w
 {
   sq              101  ... ... .. ... 00 @cs_q
-  fsd             101  ... ... .. ... 00 @cs_d
+  c_fsd           101  ... ... .. ... 00 @cs_d
 }
 sw                110  ... ... .. ... 00 @cs_w
 
 # *** RV32C and RV64C specific Standard Extension (Quadrant 0) ***
 {
   ld              011  ... ... .. ... 00 @cl_d
-  flw             011  ... ... .. ... 00 @cl_w
+  c_flw           011  ... ... .. ... 00 @cl_w
 }
 {
   sd              111  ... ... .. ... 00 @cs_d
-  fsw             111  ... ... .. ... 00 @cs_w
+  c_fsw           111  ... ... .. ... 00 @cs_w
 }
 
 # *** RV32/64C Standard Extension (Quadrant 1) ***
@@ -148,7 +168,7 @@ addw              100 1 11 ... 01 ... 01 @cs_2
 slli              000 .  .....  ..... 10 @c_shift2
 {
   lq              001  ... ... .. ... 10 @c_lqsp
-  fld             001 .  .....  ..... 10 @c_ldsp
+  c_fld           001 .  .....  ..... 10 @c_ldsp
 }
 {
   illegal         010 -  00000  ----- 10 # c.lwsp, RES rd=0
@@ -166,7 +186,19 @@ slli              000 .  .....  ..... 10 @c_shift2
 }
 {
   sq              101  ... ... .. ... 10 @c_sqsp
-  fsd             101   ......  ..... 10 @c_sdsp
+  c_fsd           101   ......  ..... 10 @c_sdsp
+
+  # *** RV64 and RV32 Zcmp/Zcmt Extension ***
+  [
+    cm_push         101  11000  .... .. 10 @cm_pp
+    cm_pop          101  11010  .... .. 10 @cm_pp
+    cm_popret       101  11110  .... .. 10 @cm_pp
+    cm_popretz      101  11100  .... .. 10 @cm_pp
+    cm_mva01s       101  011 ... 11 ... 10 @cm_mv
+    cm_mvsa01       101  011 ... 01 ... 10 @cm_mv
+
+    cm_jalt         101  000   ........ 10 @cm_jt
+  ]
 }
 sw                110 .  .....  ..... 10 @c_swsp
 
@@ -174,9 +206,23 @@ sw                110 .  .....  ..... 10 @c_swsp
 {
   c64_illegal     011 -  00000  ----- 10 # c.ldsp, RES rd=0
   ld              011 .  .....  ..... 10 @c_ldsp
-  flw             011 .  .....  ..... 10 @c_lwsp
+  c_flw           011 .  .....  ..... 10 @c_lwsp
 }
 {
   sd              111 .  .....  ..... 10 @c_sdsp
-  fsw             111 .  .....  ..... 10 @c_swsp
+  c_fsw           111 .  .....  ..... 10 @c_swsp
 }
+
+# *** RV64 and RV32 Zcb Extension ***
+c_zext_b          100 111  ... 11 000 01 @cu
+c_sext_b          100 111  ... 11 001 01 @cu
+c_zext_h          100 111  ... 11 010 01 @cu
+c_sext_h          100 111  ... 11 011 01 @cu
+c_zext_w          100 111  ... 11 100 01 @cu
+c_not             100 111  ... 11 101 01 @cu
+c_mul             100 111  ... 10 ... 01 @cs_2
+c_lbu             100 000  ... .. ... 00 @cl_b
+c_lhu             100 001  ... 0. ... 00 @cl_h
+c_lh              100 001  ... 1. ... 00 @cl_h
+c_sb              100 010  ... .. ... 00 @cs_b
+c_sh              100 011  ... 0. ... 00 @cs_h

target/riscv/insn_trans/trans_privileged.c.inc

@@ -52,7 +52,7 @@ static bool trans_ebreak(DisasContext *ctx, arg_ebreak *a)
      * that no exception will be raised when fetching them.
      */
 
-    if (semihosting_enabled(ctx->mem_idx < PRV_S) &&
+    if (semihosting_enabled(ctx->priv == PRV_U) &&
         (pre_addr & TARGET_PAGE_MASK) == (post_addr & TARGET_PAGE_MASK)) {
         pre    = opcode_at(&ctx->base, pre_addr);
         ebreak = opcode_at(&ctx->base, ebreak_addr);
@@ -77,6 +77,9 @@ static bool trans_sret(DisasContext *ctx, arg_sret *a)
 #ifndef CONFIG_USER_ONLY
     if (has_ext(ctx, RVS)) {
         decode_save_opc(ctx);
+        if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
+            gen_io_start();
+        }
         gen_helper_sret(cpu_pc, cpu_env);
         exit_tb(ctx); /* no chaining */
         ctx->base.is_jmp = DISAS_NORETURN;
@@ -93,6 +96,9 @@ static bool trans_mret(DisasContext *ctx, arg_mret *a)
 {
 #ifndef CONFIG_USER_ONLY
     decode_save_opc(ctx);
+    if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
+        gen_io_start();
+    }
     gen_helper_mret(cpu_pc, cpu_env);
     exit_tb(ctx); /* no chaining */
     ctx->base.is_jmp = DISAS_NORETURN;

target/riscv/insn_trans/trans_rvd.c.inc

@@ -31,6 +31,12 @@
     } \
 } while (0)
 
+#define REQUIRE_ZCD(ctx) do { \
+    if (!ctx->cfg_ptr->ext_zcd) {  \
+        return false;     \
+    } \
+} while (0)
+
 static bool trans_fld(DisasContext *ctx, arg_fld *a)
 {
     TCGv addr;
@@ -59,6 +65,18 @@ static bool trans_fsd(DisasContext *ctx, arg_fsd *a)
     return true;
 }
 
+static bool trans_c_fld(DisasContext *ctx, arg_fld *a)
+{
+    REQUIRE_ZCD(ctx);
+    return trans_fld(ctx, a);
+}
+
+static bool trans_c_fsd(DisasContext *ctx, arg_fsd *a)
+{
+    REQUIRE_ZCD(ctx);
+    return trans_fsd(ctx, a);
+}
+
 static bool trans_fmadd_d(DisasContext *ctx, arg_fmadd_d *a)
 {
     REQUIRE_FPU;

target/riscv/insn_trans/trans_rvf.c.inc

@@ -19,7 +19,7 @@
  */
 
 #define REQUIRE_FPU do {\
-    if (ctx->mstatus_fs == 0) \
+    if (ctx->mstatus_fs == EXT_STATUS_DISABLED) \
         if (!ctx->cfg_ptr->ext_zfinx) \
             return false; \
 } while (0)
@@ -30,6 +30,12 @@
     } \
 } while (0)
 
+#define REQUIRE_ZCF(ctx) do {                  \
+    if (!ctx->cfg_ptr->ext_zcf) {              \
+        return false;                          \
+    }                                          \
+} while (0)
+
 static bool trans_flw(DisasContext *ctx, arg_flw *a)
 {
     TCGv_i64 dest;
@@ -61,6 +67,18 @@ static bool trans_fsw(DisasContext *ctx, arg_fsw *a)
     return true;
 }
 
+static bool trans_c_flw(DisasContext *ctx, arg_flw *a)
+{
+    REQUIRE_ZCF(ctx);
+    return trans_flw(ctx, a);
+}
+
+static bool trans_c_fsw(DisasContext *ctx, arg_fsw *a)
+{
+    REQUIRE_ZCF(ctx);
+    return trans_fsw(ctx, a);
+}
+
 static bool trans_fmadd_s(DisasContext *ctx, arg_fmadd_s *a)
 {
     REQUIRE_FPU;

target/riscv/insn_trans/trans_rvh.c.inc

@@ -16,156 +16,131 @@
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef CONFIG_USER_ONLY
-static bool check_access(DisasContext *ctx)
-{
-    if (!ctx->hlsx) {
-        if (ctx->virt_enabled) {
-            generate_exception(ctx, RISCV_EXCP_VIRT_INSTRUCTION_FAULT);
-        } else {
-            generate_exception(ctx, RISCV_EXCP_ILLEGAL_INST);
-        }
-        return false;
-    }
+#ifdef CONFIG_USER_ONLY
+#define do_hlv(ctx, a, func)  false
+#define do_hsv(ctx, a, func)  false
+#else
+static void gen_helper_hyp_hlv_b(TCGv r, TCGv_env e, TCGv a)
+{
+    gen_helper_hyp_hlv_bu(r, e, a);
+    tcg_gen_ext8s_tl(r, r);
+}
+
+static void gen_helper_hyp_hlv_h(TCGv r, TCGv_env e, TCGv a)
+{
+    gen_helper_hyp_hlv_hu(r, e, a);
+    tcg_gen_ext16s_tl(r, r);
+}
+
+static void gen_helper_hyp_hlv_w(TCGv r, TCGv_env e, TCGv a)
+{
+    gen_helper_hyp_hlv_wu(r, e, a);
+    tcg_gen_ext32s_tl(r, r);
+}
+
+static bool do_hlv(DisasContext *ctx, arg_r2 *a,
+                   void (*func)(TCGv, TCGv_env, TCGv))
+{
+    TCGv dest = dest_gpr(ctx, a->rd);
+    TCGv addr = get_gpr(ctx, a->rs1, EXT_NONE);
+
+    decode_save_opc(ctx);
+    func(dest, cpu_env, addr);
+    gen_set_gpr(ctx, a->rd, dest);
     return true;
 }
-#endif
 
-static bool do_hlv(DisasContext *ctx, arg_r2 *a, MemOp mop)
+static bool do_hsv(DisasContext *ctx, arg_r2_s *a,
+                   void (*func)(TCGv_env, TCGv, TCGv))
 {
-#ifdef CONFIG_USER_ONLY
-    return false;
-#else
+    TCGv addr = get_gpr(ctx, a->rs1, EXT_NONE);
+    TCGv data = get_gpr(ctx, a->rs2, EXT_NONE);
+
     decode_save_opc(ctx);
-    if (check_access(ctx)) {
-        TCGv dest = dest_gpr(ctx, a->rd);
-        TCGv addr = get_gpr(ctx, a->rs1, EXT_NONE);
-        int mem_idx = ctx->mem_idx | TB_FLAGS_PRIV_HYP_ACCESS_MASK;
-        tcg_gen_qemu_ld_tl(dest, addr, mem_idx, mop);
-        gen_set_gpr(ctx, a->rd, dest);
-    }
+    func(cpu_env, addr, data);
     return true;
-#endif
 }
+#endif /* CONFIG_USER_ONLY */
 
 static bool trans_hlv_b(DisasContext *ctx, arg_hlv_b *a)
 {
     REQUIRE_EXT(ctx, RVH);
-    return do_hlv(ctx, a, MO_SB);
+    return do_hlv(ctx, a, gen_helper_hyp_hlv_b);
 }
 
 static bool trans_hlv_h(DisasContext *ctx, arg_hlv_h *a)
 {
     REQUIRE_EXT(ctx, RVH);
-    return do_hlv(ctx, a, MO_TESW);
+    return do_hlv(ctx, a, gen_helper_hyp_hlv_h);
 }
 
 static bool trans_hlv_w(DisasContext *ctx, arg_hlv_w *a)
 {
     REQUIRE_EXT(ctx, RVH);
-    return do_hlv(ctx, a, MO_TESL);
+    return do_hlv(ctx, a, gen_helper_hyp_hlv_w);
 }
 
 static bool trans_hlv_bu(DisasContext *ctx, arg_hlv_bu *a)
 {
     REQUIRE_EXT(ctx, RVH);
-    return do_hlv(ctx, a, MO_UB);
+    return do_hlv(ctx, a, gen_helper_hyp_hlv_bu);
 }
 
 static bool trans_hlv_hu(DisasContext *ctx, arg_hlv_hu *a)
 {
     REQUIRE_EXT(ctx, RVH);
-    return do_hlv(ctx, a, MO_TEUW);
-}
-
-static bool do_hsv(DisasContext *ctx, arg_r2_s *a, MemOp mop)
-{
-#ifdef CONFIG_USER_ONLY
-    return false;
-#else
-    decode_save_opc(ctx);
-    if (check_access(ctx)) {
-        TCGv addr = get_gpr(ctx, a->rs1, EXT_NONE);
-        TCGv data = get_gpr(ctx, a->rs2, EXT_NONE);
-        int mem_idx = ctx->mem_idx | TB_FLAGS_PRIV_HYP_ACCESS_MASK;
-        tcg_gen_qemu_st_tl(data, addr, mem_idx, mop);
-    }
-    return true;
-#endif
+    return do_hlv(ctx, a, gen_helper_hyp_hlv_hu);
 }
 
 static bool trans_hsv_b(DisasContext *ctx, arg_hsv_b *a)
 {
     REQUIRE_EXT(ctx, RVH);
-    return do_hsv(ctx, a, MO_SB);
+    return do_hsv(ctx, a, gen_helper_hyp_hsv_b);
 }
 
 static bool trans_hsv_h(DisasContext *ctx, arg_hsv_h *a)
 {
     REQUIRE_EXT(ctx, RVH);
-    return do_hsv(ctx, a, MO_TESW);
+    return do_hsv(ctx, a, gen_helper_hyp_hsv_h);
 }
 
 static bool trans_hsv_w(DisasContext *ctx, arg_hsv_w *a)
 {
     REQUIRE_EXT(ctx, RVH);
-    return do_hsv(ctx, a, MO_TESL);
+    return do_hsv(ctx, a, gen_helper_hyp_hsv_w);
 }
 
 static bool trans_hlv_wu(DisasContext *ctx, arg_hlv_wu *a)
 {
     REQUIRE_64BIT(ctx);
     REQUIRE_EXT(ctx, RVH);
-    return do_hlv(ctx, a, MO_TEUL);
+    return do_hlv(ctx, a, gen_helper_hyp_hlv_wu);
 }
 
 static bool trans_hlv_d(DisasContext *ctx, arg_hlv_d *a)
 {
     REQUIRE_64BIT(ctx);
     REQUIRE_EXT(ctx, RVH);
-    return do_hlv(ctx, a, MO_TEUQ);
+    return do_hlv(ctx, a, gen_helper_hyp_hlv_d);
 }
 
 static bool trans_hsv_d(DisasContext *ctx, arg_hsv_d *a)
 {
     REQUIRE_64BIT(ctx);
     REQUIRE_EXT(ctx, RVH);
-    return do_hsv(ctx, a, MO_TEUQ);
-}
-
-#ifndef CONFIG_USER_ONLY
-static bool do_hlvx(DisasContext *ctx, arg_r2 *a,
-                    void (*func)(TCGv, TCGv_env, TCGv))
-{
-    decode_save_opc(ctx);
-    if (check_access(ctx)) {
-        TCGv dest = dest_gpr(ctx, a->rd);
-        TCGv addr = get_gpr(ctx, a->rs1, EXT_NONE);
-        func(dest, cpu_env, addr);
-        gen_set_gpr(ctx, a->rd, dest);
-    }
-    return true;
+    return do_hsv(ctx, a, gen_helper_hyp_hsv_d);
 }
-#endif
 
 static bool trans_hlvx_hu(DisasContext *ctx, arg_hlvx_hu *a)
 {
     REQUIRE_EXT(ctx, RVH);
-#ifndef CONFIG_USER_ONLY
-    return do_hlvx(ctx, a, gen_helper_hyp_hlvx_hu);
-#else
-    return false;
-#endif
+    return do_hlv(ctx, a, gen_helper_hyp_hlvx_hu);
 }
 
 static bool trans_hlvx_wu(DisasContext *ctx, arg_hlvx_wu *a)
 {
     REQUIRE_EXT(ctx, RVH);
-#ifndef CONFIG_USER_ONLY
-    return do_hlvx(ctx, a, gen_helper_hyp_hlvx_wu);
-#else
-    return false;
-#endif
+    return do_hlv(ctx, a, gen_helper_hyp_hlvx_wu);
 }
 
 static bool trans_hfence_gvma(DisasContext *ctx, arg_sfence_vma *a)

target/riscv/insn_trans/trans_rvi.c.inc

@@ -56,7 +56,7 @@ static bool trans_jalr(DisasContext *ctx, arg_jalr *a)
     tcg_gen_andi_tl(cpu_pc, cpu_pc, (target_ulong)-2);
 
     gen_set_pc(ctx, cpu_pc);
-    if (!has_ext(ctx, RVC)) {
+    if (!ctx->cfg_ptr->ext_zca) {
         TCGv t0 = tcg_temp_new();
 
         misaligned = gen_new_label();
@@ -169,7 +169,7 @@ static bool gen_branch(DisasContext *ctx, arg_b *a, TCGCond cond)
 
     gen_set_label(l); /* branch taken */
 
-    if (!has_ext(ctx, RVC) && ((ctx->base.pc_next + a->imm) & 0x3)) {
+    if (!ctx->cfg_ptr->ext_zca && ((ctx->base.pc_next + a->imm) & 0x3)) {
         /* misaligned */
         gen_exception_inst_addr_mis(ctx);
     } else {

target/riscv/insn_trans/trans_rvv.c.inc

@@ -29,12 +29,12 @@ static inline bool is_overlapped(const int8_t astart, int8_t asize,
 
 static bool require_rvv(DisasContext *s)
 {
-    return s->mstatus_vs != 0;
+    return s->mstatus_vs != EXT_STATUS_DISABLED;
 }
 
 static bool require_rvf(DisasContext *s)
 {
-    if (s->mstatus_fs == 0) {
+    if (s->mstatus_fs == EXT_STATUS_DISABLED) {
         return false;
     }
 
@@ -52,7 +52,7 @@ static bool require_rvf(DisasContext *s)
 
 static bool require_scale_rvf(DisasContext *s)
 {
-    if (s->mstatus_fs == 0) {
+    if (s->mstatus_fs == EXT_STATUS_DISABLED) {
         return false;
     }
 
@@ -70,7 +70,7 @@ static bool require_scale_rvf(DisasContext *s)
 
 static bool require_scale_rvfmin(DisasContext *s)
 {
-    if (s->mstatus_fs == 0) {
+    if (s->mstatus_fs == EXT_STATUS_DISABLED) {
         return false;
     }
 
@@ -238,8 +238,8 @@ static bool vext_check_store(DisasContext *s, int vd, int nf, uint8_t eew)
 {
     int8_t emul = eew - s->sew + s->lmul;
     return (emul >= -3 && emul <= 3) &&
-            require_align(vd, emul) &&
-            require_nf(vd, nf, emul);
+           require_align(vd, emul) &&
+           require_nf(vd, nf, emul);
 }
 
 /*
@@ -315,7 +315,7 @@ static bool vext_check_ld_index(DisasContext *s, int vd, int vs2,
     int8_t seg_vd;
     int8_t emul = eew - s->sew + s->lmul;
     bool ret = vext_check_st_index(s, vd, vs2, nf, eew) &&
-        require_vm(vm, vd);
+               require_vm(vm, vd);
 
     /* Each segment register group has to follow overlap rules. */
     for (int i = 0; i < nf; ++i) {
@@ -345,8 +345,8 @@ static bool vext_check_ld_index(DisasContext *s, int vd, int vs2,
 static bool vext_check_ss(DisasContext *s, int vd, int vs, int vm)
 {
     return require_vm(vm, vd) &&
-        require_align(vd, s->lmul) &&
-        require_align(vs, s->lmul);
+           require_align(vd, s->lmul) &&
+           require_align(vs, s->lmul);
 }
 
 /*
@@ -365,7 +365,7 @@ static bool vext_check_ss(DisasContext *s, int vd, int vs, int vm)
 static bool vext_check_sss(DisasContext *s, int vd, int vs1, int vs2, int vm)
 {
     return vext_check_ss(s, vd, vs2, vm) &&
-        require_align(vs1, s->lmul);
+           require_align(vs1, s->lmul);
 }
 
 static bool vext_check_ms(DisasContext *s, int vd, int vs)
@@ -396,7 +396,7 @@ static bool vext_check_ms(DisasContext *s, int vd, int vs)
 static bool vext_check_mss(DisasContext *s, int vd, int vs1, int vs2)
 {
     bool ret = vext_check_ms(s, vd, vs2) &&
-        require_align(vs1, s->lmul);
+               require_align(vs1, s->lmul);
     if (vd != vs1) {
         ret &= require_noover(vd, 0, vs1, s->lmul);
     }
@@ -460,14 +460,14 @@ static bool vext_narrow_check_common(DisasContext *s, int vd, int vs2,
 static bool vext_check_ds(DisasContext *s, int vd, int vs, int vm)
 {
     return vext_wide_check_common(s, vd, vm) &&
-        require_align(vs, s->lmul) &&
-        require_noover(vd, s->lmul + 1, vs, s->lmul);
+           require_align(vs, s->lmul) &&
+           require_noover(vd, s->lmul + 1, vs, s->lmul);
 }
 
 static bool vext_check_dd(DisasContext *s, int vd, int vs, int vm)
 {
     return vext_wide_check_common(s, vd, vm) &&
-        require_align(vs, s->lmul + 1);
+           require_align(vs, s->lmul + 1);
 }
 
 /*
@@ -485,8 +485,8 @@ static bool vext_check_dd(DisasContext *s, int vd, int vs, int vm)
 static bool vext_check_dss(DisasContext *s, int vd, int vs1, int vs2, int vm)
 {
     return vext_check_ds(s, vd, vs2, vm) &&
-        require_align(vs1, s->lmul) &&
-        require_noover(vd, s->lmul + 1, vs1, s->lmul);
+           require_align(vs1, s->lmul) &&
+           require_noover(vd, s->lmul + 1, vs1, s->lmul);
 }
 
 /*
@@ -507,7 +507,7 @@ static bool vext_check_dss(DisasContext *s, int vd, int vs1, int vs2, int vm)
 static bool vext_check_dds(DisasContext *s, int vd, int vs1, int vs2, int vm)
 {
     return vext_check_ds(s, vd, vs1, vm) &&
-        require_align(vs2, s->lmul + 1);
+           require_align(vs2, s->lmul + 1);
 }
 
 static bool vext_check_sd(DisasContext *s, int vd, int vs, int vm)
@@ -535,7 +535,7 @@ static bool vext_check_sd(DisasContext *s, int vd, int vs, int vm)
 static bool vext_check_sds(DisasContext *s, int vd, int vs1, int vs2, int vm)
 {
     return vext_check_sd(s, vd, vs2, vm) &&
-        require_align(vs1, s->lmul);
+           require_align(vs1, s->lmul);
 }
 
 /*
@@ -547,7 +547,7 @@ static bool vext_check_sds(DisasContext *s, int vd, int vs1, int vs2, int vm)
  */
 static bool vext_check_reduction(DisasContext *s, int vs2)
 {
-    return require_align(vs2, s->lmul) && (s->vstart == 0);
+    return require_align(vs2, s->lmul) && s->vstart_eq_zero;
 }
 
 /*
@@ -3083,7 +3083,7 @@ static bool trans_vcpop_m(DisasContext *s, arg_rmr *a)
 {
     if (require_rvv(s) &&
         vext_check_isa_ill(s) &&
-        s->vstart == 0) {
+        s->vstart_eq_zero) {
         TCGv_ptr src2, mask;
         TCGv dst;
         TCGv_i32 desc;
@@ -3112,7 +3112,7 @@ static bool trans_vfirst_m(DisasContext *s, arg_rmr *a)
 {
     if (require_rvv(s) &&
         vext_check_isa_ill(s) &&
-        s->vstart == 0) {
+        s->vstart_eq_zero) {
         TCGv_ptr src2, mask;
         TCGv dst;
         TCGv_i32 desc;
@@ -3136,9 +3136,11 @@ static bool trans_vfirst_m(DisasContext *s, arg_rmr *a)
     return false;
 }
 
-/* vmsbf.m set-before-first mask bit */
-/* vmsif.m set-includ-first mask bit */
-/* vmsof.m set-only-first mask bit */
+/*
+ * vmsbf.m set-before-first mask bit
+ * vmsif.m set-including-first mask bit
+ * vmsof.m set-only-first mask bit
+ */
 #define GEN_M_TRANS(NAME)                                          \
 static bool trans_##NAME(DisasContext *s, arg_rmr *a)              \
 {                                                                  \
@@ -3146,7 +3148,7 @@ static bool trans_##NAME(DisasContext *s, arg_rmr *a)              \
         vext_check_isa_ill(s) &&                                   \
         require_vm(a->vm, a->rd) &&                                \
         (a->rd != a->rs2) &&                                       \
-        (s->vstart == 0)) {                                        \
+        s->vstart_eq_zero) {                                       \
         uint32_t data = 0;                                         \
         gen_helper_gvec_3_ptr *fn = gen_helper_##NAME;             \
         TCGLabel *over = gen_new_label();                          \
@@ -3187,7 +3189,7 @@ static bool trans_viota_m(DisasContext *s, arg_viota_m *a)
         !is_overlapped(a->rd, 1 << MAX(s->lmul, 0), a->rs2, 1) &&
         require_vm(a->vm, a->rd) &&
         require_align(a->rd, s->lmul) &&
-        (s->vstart == 0)) {
+        s->vstart_eq_zero) {
         uint32_t data = 0;
         TCGLabel *over = gen_new_label();
         tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
@@ -3636,7 +3638,7 @@ static bool vcompress_vm_check(DisasContext *s, arg_r *a)
            require_align(a->rs2, s->lmul) &&
            (a->rd != a->rs2) &&
            !is_overlapped(a->rd, 1 << MAX(s->lmul, 0), a->rs1, 1) &&
-           (s->vstart == 0);
+           s->vstart_eq_zero;
 }
 
 static bool trans_vcompress_vm(DisasContext *s, arg_r *a)
@@ -3675,7 +3677,7 @@ static bool trans_##NAME(DisasContext *s, arg_##NAME * a)               \
         QEMU_IS_ALIGNED(a->rd, LEN) &&                                  \
         QEMU_IS_ALIGNED(a->rs2, LEN)) {                                 \
         uint32_t maxsz = (s->cfg_ptr->vlen >> 3) * LEN;                 \
-        if (s->vstart == 0) {                                           \
+        if (s->vstart_eq_zero) {                                        \
             /* EEW = 8 */                                               \
             tcg_gen_gvec_mov(MO_8, vreg_ofs(s, a->rd),                  \
                              vreg_ofs(s, a->rs2), maxsz, maxsz);        \

target/riscv/insn_trans/trans_rvzce.c.inc

@@ -0,0 +1,311 @@
+/*
+ * RISC-V translation routines for the Zc[b,mp,mt] Standard Extensions.
+ *
+ * Copyright (c) 2021-2022 PLCT Lab
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define REQUIRE_ZCB(ctx) do {   \
+    if (!ctx->cfg_ptr->ext_zcb) \
+        return false;           \
+} while (0)
+
+#define REQUIRE_ZCMP(ctx) do {   \
+    if (!ctx->cfg_ptr->ext_zcmp) \
+        return false;            \
+} while (0)
+
+#define REQUIRE_ZCMT(ctx) do {   \
+    if (!ctx->cfg_ptr->ext_zcmt) \
+        return false;            \
+} while (0)
+
+static bool trans_c_zext_b(DisasContext *ctx, arg_c_zext_b *a)
+{
+    REQUIRE_ZCB(ctx);
+    return gen_unary(ctx, a, EXT_NONE, tcg_gen_ext8u_tl);
+}
+
+static bool trans_c_zext_h(DisasContext *ctx, arg_c_zext_h *a)
+{
+    REQUIRE_ZCB(ctx);
+    REQUIRE_ZBB(ctx);
+    return gen_unary(ctx, a, EXT_NONE, tcg_gen_ext16u_tl);
+}
+
+static bool trans_c_sext_b(DisasContext *ctx, arg_c_sext_b *a)
+{
+    REQUIRE_ZCB(ctx);
+    REQUIRE_ZBB(ctx);
+    return gen_unary(ctx, a, EXT_NONE, tcg_gen_ext8s_tl);
+}
+
+static bool trans_c_sext_h(DisasContext *ctx, arg_c_sext_h *a)
+{
+    REQUIRE_ZCB(ctx);
+    REQUIRE_ZBB(ctx);
+    return gen_unary(ctx, a, EXT_NONE, tcg_gen_ext16s_tl);
+}
+
+static bool trans_c_zext_w(DisasContext *ctx, arg_c_zext_w *a)
+{
+    REQUIRE_64BIT(ctx);
+    REQUIRE_ZCB(ctx);
+    REQUIRE_ZBA(ctx);
+    return gen_unary(ctx, a, EXT_NONE, tcg_gen_ext32u_tl);
+}
+
+static bool trans_c_not(DisasContext *ctx, arg_c_not *a)
+{
+    REQUIRE_ZCB(ctx);
+    return gen_unary(ctx, a, EXT_NONE, tcg_gen_not_tl);
+}
+
+static bool trans_c_mul(DisasContext *ctx, arg_c_mul *a)
+{
+    REQUIRE_ZCB(ctx);
+    REQUIRE_M_OR_ZMMUL(ctx);
+    return gen_arith(ctx, a, EXT_NONE, tcg_gen_mul_tl, NULL);
+}
+
+static bool trans_c_lbu(DisasContext *ctx, arg_c_lbu *a)
+{
+    REQUIRE_ZCB(ctx);
+    return gen_load(ctx, a, MO_UB);
+}
+
+static bool trans_c_lhu(DisasContext *ctx, arg_c_lhu *a)
+{
+    REQUIRE_ZCB(ctx);
+    return gen_load(ctx, a, MO_UW);
+}
+
+static bool trans_c_lh(DisasContext *ctx, arg_c_lh *a)
+{
+    REQUIRE_ZCB(ctx);
+    return gen_load(ctx, a, MO_SW);
+}
+
+static bool trans_c_sb(DisasContext *ctx, arg_c_sb *a)
+{
+    REQUIRE_ZCB(ctx);
+    return gen_store(ctx, a, MO_UB);
+}
+
+static bool trans_c_sh(DisasContext *ctx, arg_c_sh *a)
+{
+    REQUIRE_ZCB(ctx);
+    return gen_store(ctx, a, MO_UW);
+}
+
+#define X_S0    8
+#define X_S1    9
+#define X_Sn    16
+
+static uint32_t decode_push_pop_list(DisasContext *ctx, target_ulong rlist)
+{
+    uint32_t reg_bitmap = 0;
+
+    if (has_ext(ctx, RVE) && rlist > 6) {
+        return 0;
+    }
+
+    switch (rlist) {
+    case 15:
+        reg_bitmap |=  1 << (X_Sn + 11) ;
+        reg_bitmap |=  1 << (X_Sn + 10) ;
+        /* FALL THROUGH */
+    case 14:
+        reg_bitmap |=  1 << (X_Sn + 9) ;
+        /* FALL THROUGH */
+    case 13:
+        reg_bitmap |=  1 << (X_Sn + 8) ;
+        /* FALL THROUGH */
+    case 12:
+        reg_bitmap |=  1 << (X_Sn + 7) ;
+        /* FALL THROUGH */
+    case 11:
+        reg_bitmap |=  1 << (X_Sn + 6) ;
+        /* FALL THROUGH */
+    case 10:
+        reg_bitmap |=  1 << (X_Sn + 5) ;
+        /* FALL THROUGH */
+    case 9:
+        reg_bitmap |=  1 << (X_Sn + 4) ;
+        /* FALL THROUGH */
+    case 8:
+        reg_bitmap |=  1 << (X_Sn + 3) ;
+        /* FALL THROUGH */
+    case 7:
+        reg_bitmap |=  1 << (X_Sn + 2) ;
+        /* FALL THROUGH */
+    case 6:
+        reg_bitmap |=  1 << X_S1 ;
+        /* FALL THROUGH */
+    case 5:
+        reg_bitmap |= 1 << X_S0;
+        /* FALL THROUGH */
+    case 4:
+        reg_bitmap |= 1 << xRA;
+        break;
+    default:
+        break;
+    }
+
+    return reg_bitmap;
+}
+
+static bool gen_pop(DisasContext *ctx, arg_cmpp *a, bool ret, bool ret_val)
+{
+    REQUIRE_ZCMP(ctx);
+
+    uint32_t reg_bitmap = decode_push_pop_list(ctx, a->urlist);
+    if (reg_bitmap == 0) {
+        return false;
+    }
+
+    MemOp memop = get_ol(ctx) == MXL_RV32 ? MO_TEUL : MO_TEUQ;
+    int reg_size = memop_size(memop);
+    target_ulong stack_adj = ROUND_UP(ctpop32(reg_bitmap) * reg_size, 16) +
+                             a->spimm;
+    TCGv sp = dest_gpr(ctx, xSP);
+    TCGv addr = tcg_temp_new();
+    int i;
+
+    tcg_gen_addi_tl(addr, sp, stack_adj - reg_size);
+
+    for (i = X_Sn + 11; i >= 0; i--) {
+        if (reg_bitmap & (1 << i)) {
+            TCGv dest = dest_gpr(ctx, i);
+            tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, memop);
+            gen_set_gpr(ctx, i, dest);
+            tcg_gen_subi_tl(addr, addr, reg_size);
+        }
+    }
+
+    tcg_gen_addi_tl(sp, sp, stack_adj);
+    gen_set_gpr(ctx, xSP, sp);
+
+    if (ret_val) {
+        gen_set_gpr(ctx, xA0, ctx->zero);
+    }
+
+    if (ret) {
+        TCGv ret_addr = get_gpr(ctx, xRA, EXT_NONE);
+        gen_set_pc(ctx, ret_addr);
+        tcg_gen_lookup_and_goto_ptr();
+        ctx->base.is_jmp = DISAS_NORETURN;
+    }
+
+    return true;
+}
+
+static bool trans_cm_push(DisasContext *ctx, arg_cm_push *a)
+{
+    REQUIRE_ZCMP(ctx);
+
+    uint32_t reg_bitmap = decode_push_pop_list(ctx, a->urlist);
+    if (reg_bitmap == 0) {
+        return false;
+    }
+
+    MemOp memop = get_ol(ctx) == MXL_RV32 ? MO_TEUL : MO_TEUQ;
+    int reg_size = memop_size(memop);
+    target_ulong stack_adj = ROUND_UP(ctpop32(reg_bitmap) * reg_size, 16) +
+                             a->spimm;
+    TCGv sp = dest_gpr(ctx, xSP);
+    TCGv addr = tcg_temp_new();
+    int i;
+
+    tcg_gen_subi_tl(addr, sp, reg_size);
+
+    for (i = X_Sn + 11; i >= 0; i--) {
+        if (reg_bitmap & (1 << i)) {
+            TCGv val = get_gpr(ctx, i, EXT_NONE);
+            tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, memop);
+            tcg_gen_subi_tl(addr, addr, reg_size);
+        }
+    }
+
+    tcg_gen_subi_tl(sp, sp, stack_adj);
+    gen_set_gpr(ctx, xSP, sp);
+
+    return true;
+}
+
+static bool trans_cm_pop(DisasContext *ctx, arg_cm_pop *a)
+{
+    return gen_pop(ctx, a, false, false);
+}
+
+static bool trans_cm_popret(DisasContext *ctx, arg_cm_popret *a)
+{
+    return gen_pop(ctx, a, true, false);
+}
+
+static bool trans_cm_popretz(DisasContext *ctx, arg_cm_popret *a)
+{
+    return gen_pop(ctx, a, true, true);
+}
+
+static bool trans_cm_mva01s(DisasContext *ctx, arg_cm_mva01s *a)
+{
+    REQUIRE_ZCMP(ctx);
+
+    TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE);
+    TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE);
+
+    gen_set_gpr(ctx, xA0, src1);
+    gen_set_gpr(ctx, xA1, src2);
+
+    return true;
+}
+
+static bool trans_cm_mvsa01(DisasContext *ctx, arg_cm_mvsa01 *a)
+{
+    REQUIRE_ZCMP(ctx);
+
+    if (a->rs1 == a->rs2) {
+        return false;
+    }
+
+    TCGv a0 = get_gpr(ctx, xA0, EXT_NONE);
+    TCGv a1 = get_gpr(ctx, xA1, EXT_NONE);
+
+    gen_set_gpr(ctx, a->rs1, a0);
+    gen_set_gpr(ctx, a->rs2, a1);
+
+    return true;
+}
+
+static bool trans_cm_jalt(DisasContext *ctx, arg_cm_jalt *a)
+{
+    REQUIRE_ZCMT(ctx);
+
+    /*
+     * Update pc to current for the non-unwinding exception
+     * that might come from cpu_ld*_code() in the helper.
+     */
+    tcg_gen_movi_tl(cpu_pc, ctx->base.pc_next);
+    gen_helper_cm_jalt(cpu_pc, cpu_env, tcg_constant_i32(a->index));
+
+    /* c.jt vs c.jalt depends on the index. */
+    if (a->index >= 32) {
+        gen_set_gpri(ctx, xRA, ctx->pc_succ_insn);
+    }
+
+    tcg_gen_lookup_and_goto_ptr();
+    ctx->base.is_jmp = DISAS_NORETURN;
+    return true;
+}

target/riscv/insn_trans/trans_rvzicond.c.inc

@@ -2,6 +2,7 @@
  * RISC-V translation routines for the Zicond Standard Extension.
  *
  * Copyright (c) 2020-2023 PLCT Lab
+ * Copyright (c) 2022 VRULL GmbH.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -22,28 +23,33 @@
     }                                     \
 } while (0)
 
-static bool trans_czero_eqz(DisasContext *ctx, arg_czero_eqz *a)
+/* Emits "$rd = ($rs2 <cond> $zero) ? $zero : $rs1" */
+static void gen_czero(TCGv dest, TCGv src1, TCGv src2, TCGCond cond)
 {
-    REQUIRE_ZICOND(ctx);
+    TCGv zero = tcg_constant_tl(0);
+    tcg_gen_movcond_tl(cond, dest, src2, zero, zero, src1);
+}
 
-    TCGv dest = dest_gpr(ctx, a->rd);
-    TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE);
-    TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE);
+static void gen_czero_eqz(TCGv dest, TCGv src1, TCGv src2)
+{
+    gen_czero(dest, src1, src2, TCG_COND_EQ);
+}
 
-    tcg_gen_movcond_tl(TCG_COND_EQ, dest, src2, ctx->zero, ctx->zero, src1);
-    gen_set_gpr(ctx, a->rd, dest);
-    return true;
+static void gen_czero_nez(TCGv dest, TCGv src1, TCGv src2)
+{
+    gen_czero(dest, src1, src2, TCG_COND_NE);
 }
 
-static bool trans_czero_nez(DisasContext *ctx, arg_czero_nez *a)
+static bool trans_czero_eqz(DisasContext *ctx, arg_r *a)
 {
     REQUIRE_ZICOND(ctx);
 
-    TCGv dest = dest_gpr(ctx, a->rd);
-    TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE);
-    TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE);
+    return gen_logic(ctx, a, gen_czero_eqz);
+}
+
+static bool trans_czero_nez(DisasContext *ctx, arg_r *a)
+{
+    REQUIRE_ZICOND(ctx);
 
-    tcg_gen_movcond_tl(TCG_COND_NE, dest, src2, ctx->zero, ctx->zero, src1);
-    gen_set_gpr(ctx, a->rd, dest);
-    return true;
+    return gen_logic(ctx, a, gen_czero_nez);
 }

target/riscv/insn_trans/trans_xthead.c.inc

@@ -263,25 +263,13 @@ static bool trans_th_tst(DisasContext *ctx, arg_th_tst *a)
 
 /* XTheadCmo */
 
-static inline int priv_level(DisasContext *ctx)
-{
-#ifdef CONFIG_USER_ONLY
-    return PRV_U;
-#else
-     /* Priv level is part of mem_idx. */
-    return ctx->mem_idx & TB_FLAGS_PRIV_MMU_MASK;
-#endif
-}
-
 /* Test if priv level is M, S, or U (cannot fail). */
 #define REQUIRE_PRIV_MSU(ctx)
 
 /* Test if priv level is M or S. */
 #define REQUIRE_PRIV_MS(ctx)                                    \
 do {                                                            \
-    int priv = priv_level(ctx);                                 \
-    if (!(priv == PRV_M ||                                      \
-          priv == PRV_S)) {                                     \
+    if (ctx->priv == PRV_U) {                                   \
         return false;                                           \
     }                                                           \
 } while (0)

target/riscv/insn_trans/trans_xventanacondops.c.inc

@@ -1,7 +1,7 @@
 /*
  * RISC-V translation routines for the XVentanaCondOps extension.
  *
- * Copyright (c) 2021-2022 VRULL GmbH.
+ * Copyright (c) 2021-2023 VRULL GmbH.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -16,24 +16,12 @@
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-static bool gen_vt_condmask(DisasContext *ctx, arg_r *a, TCGCond cond)
-{
-    TCGv dest = dest_gpr(ctx, a->rd);
-    TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE);
-    TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE);
-
-    tcg_gen_movcond_tl(cond, dest, src2, ctx->zero, src1, ctx->zero);
-
-    gen_set_gpr(ctx, a->rd, dest);
-    return true;
-}
-
 static bool trans_vt_maskc(DisasContext *ctx, arg_r *a)
 {
-    return gen_vt_condmask(ctx, a, TCG_COND_NE);
+    return gen_logic(ctx, a, gen_czero_eqz);
 }
 
 static bool trans_vt_maskcn(DisasContext *ctx, arg_r *a)
 {
-    return gen_vt_condmask(ctx, a, TCG_COND_EQ);
+    return gen_logic(ctx, a, gen_czero_nez);
 }

target/riscv/internals.h

@@ -21,6 +21,41 @@
 
 #include "hw/registerfields.h"
 
+/*
+ * The current MMU Modes are:
+ *  - U                 0b000
+ *  - S                 0b001
+ *  - S+SUM             0b010
+ *  - M                 0b011
+ *  - U+2STAGE          0b100
+ *  - S+2STAGE          0b101
+ *  - S+SUM+2STAGE      0b110
+ */
+#define MMUIdx_U            0
+#define MMUIdx_S            1
+#define MMUIdx_S_SUM        2
+#define MMUIdx_M            3
+#define MMU_2STAGE_BIT      (1 << 2)
+
+static inline int mmuidx_priv(int mmu_idx)
+{
+    int ret = mmu_idx & 3;
+    if (ret == MMUIdx_S_SUM) {
+        ret = PRV_S;
+    }
+    return ret;
+}
+
+static inline bool mmuidx_sum(int mmu_idx)
+{
+    return (mmu_idx & 3) == MMUIdx_S_SUM;
+}
+
+static inline bool mmuidx_2stage(int mmu_idx)
+{
+    return mmu_idx & MMU_2STAGE_BIT;
+}
+
 /* share data between vector helpers and decode code */
 FIELD(VDATA, VM, 0, 1)
 FIELD(VDATA, LMUL, 1, 3)

target/riscv/m128_helper.c

@@ -24,8 +24,8 @@
 #include "exec/helper-proto.h"
 
 target_ulong HELPER(divu_i128)(CPURISCVState *env,
-                       target_ulong ul, target_ulong uh,
-                       target_ulong vl, target_ulong vh)
+                               target_ulong ul, target_ulong uh,
+                               target_ulong vl, target_ulong vh)
 {
     target_ulong ql, qh;
     Int128 q;
@@ -44,8 +44,8 @@ target_ulong HELPER(divu_i128)(CPURISCVState *env,
 }
 
 target_ulong HELPER(remu_i128)(CPURISCVState *env,
-                       target_ulong ul, target_ulong uh,
-                       target_ulong vl, target_ulong vh)
+                               target_ulong ul, target_ulong uh,
+                               target_ulong vl, target_ulong vh)
 {
     target_ulong rl, rh;
     Int128 r;
@@ -64,8 +64,8 @@ target_ulong HELPER(remu_i128)(CPURISCVState *env,
 }
 
 target_ulong HELPER(divs_i128)(CPURISCVState *env,
-                       target_ulong ul, target_ulong uh,
-                       target_ulong vl, target_ulong vh)
+                               target_ulong ul, target_ulong uh,
+                               target_ulong vl, target_ulong vh)
 {
     target_ulong qh, ql;
     Int128 q;
@@ -89,8 +89,8 @@ target_ulong HELPER(divs_i128)(CPURISCVState *env,
 }
 
 target_ulong HELPER(rems_i128)(CPURISCVState *env,
-                       target_ulong ul, target_ulong uh,
-                       target_ulong vl, target_ulong vh)
+                               target_ulong ul, target_ulong uh,
+                               target_ulong vl, target_ulong vh)
 {
     target_ulong rh, rl;
     Int128 r;

target/riscv/machine.c

@@ -136,15 +136,15 @@ static const VMStateDescription vmstate_vector = {
     .minimum_version_id = 2,
     .needed = vector_needed,
     .fields = (VMStateField[]) {
-            VMSTATE_UINT64_ARRAY(env.vreg, RISCVCPU, 32 * RV_VLEN_MAX / 64),
-            VMSTATE_UINTTL(env.vxrm, RISCVCPU),
-            VMSTATE_UINTTL(env.vxsat, RISCVCPU),
-            VMSTATE_UINTTL(env.vl, RISCVCPU),
-            VMSTATE_UINTTL(env.vstart, RISCVCPU),
-            VMSTATE_UINTTL(env.vtype, RISCVCPU),
-            VMSTATE_BOOL(env.vill, RISCVCPU),
-            VMSTATE_END_OF_LIST()
-        }
+        VMSTATE_UINT64_ARRAY(env.vreg, RISCVCPU, 32 * RV_VLEN_MAX / 64),
+        VMSTATE_UINTTL(env.vxrm, RISCVCPU),
+        VMSTATE_UINTTL(env.vxsat, RISCVCPU),
+        VMSTATE_UINTTL(env.vl, RISCVCPU),
+        VMSTATE_UINTTL(env.vstart, RISCVCPU),
+        VMSTATE_UINTTL(env.vtype, RISCVCPU),
+        VMSTATE_BOOL(env.vill, RISCVCPU),
+        VMSTATE_END_OF_LIST()
+    }
 };
 
 static bool pointermasking_needed(void *opaque)
@@ -329,10 +329,28 @@ static const VMStateDescription vmstate_pmu_ctr_state = {
     }
 };
 
+static bool jvt_needed(void *opaque)
+{
+    RISCVCPU *cpu = opaque;
+
+    return cpu->cfg.ext_zcmt;
+}
+
+static const VMStateDescription vmstate_jvt = {
+    .name = "cpu/jvt",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = jvt_needed,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINTTL(env.jvt, RISCVCPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 const VMStateDescription vmstate_riscv_cpu = {
     .name = "cpu",
-    .version_id = 7,
-    .minimum_version_id = 7,
+    .version_id = 8,
+    .minimum_version_id = 8,
     .post_load = riscv_cpu_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINTTL_ARRAY(env.gpr, RISCVCPU, 32),
@@ -352,7 +370,7 @@ const VMStateDescription vmstate_riscv_cpu = {
         VMSTATE_UINT32(env.misa_mxl_max, RISCVCPU),
         VMSTATE_UINT32(env.misa_ext_mask, RISCVCPU),
         VMSTATE_UINTTL(env.priv, RISCVCPU),
-        VMSTATE_UINTTL(env.virt, RISCVCPU),
+        VMSTATE_BOOL(env.virt_enabled, RISCVCPU),
         VMSTATE_UINT64(env.resetvec, RISCVCPU),
         VMSTATE_UINTTL(env.mhartid, RISCVCPU),
         VMSTATE_UINT64(env.mstatus, RISCVCPU),
@@ -395,6 +413,7 @@ const VMStateDescription vmstate_riscv_cpu = {
         &vmstate_envcfg,
         &vmstate_debug,
         &vmstate_smstateen,
+        &vmstate_jvt,
         NULL
     }
 };

target/riscv/meson.build

@@ -19,7 +19,8 @@ riscv_ss.add(files(
   'bitmanip_helper.c',
   'translate.c',
   'm128_helper.c',
-  'crypto_helper.c'
+  'crypto_helper.c',
+  'zce_helper.c'
 ))
 riscv_ss.add(when: 'CONFIG_KVM', if_true: files('kvm.c'), if_false: files('kvm-stub.c'))
 
@@ -31,7 +32,8 @@ riscv_softmmu_ss.add(files(
   'monitor.c',
   'machine.c',
   'pmu.c',
-  'time_helper.c'
+  'time_helper.c',
+  'riscv-qmp-cmds.c',
 ))
 
 target_arch += {'riscv': riscv_ss}

target/riscv/op_helper.c

@@ -20,6 +20,7 @@
 
 #include "qemu/osdep.h"
 #include "cpu.h"
+#include "internals.h"
 #include "qemu/main-loop.h"
 #include "exec/exec-all.h"
 #include "exec/helper-proto.h"
@@ -140,8 +141,8 @@ static void check_zicbo_envcfg(CPURISCVState *env, target_ulong envbits,
         riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, ra);
     }
 
-    if (riscv_cpu_virt_enabled(env) &&
-        (((env->priv < PRV_H) && !get_field(env->henvcfg, envbits)) ||
+    if (env->virt_enabled &&
+        (((env->priv <= PRV_S) && !get_field(env->henvcfg, envbits)) ||
          ((env->priv < PRV_S) && !get_field(env->senvcfg, envbits)))) {
         riscv_raise_exception(env, RISCV_EXCP_VIRT_INSTRUCTION_FAULT, ra);
     }
@@ -278,8 +279,7 @@ target_ulong helper_sret(CPURISCVState *env)
         riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
     }
 
-    if (riscv_has_ext(env, RVH) && riscv_cpu_virt_enabled(env) &&
-        get_field(env->hstatus, HSTATUS_VTSR)) {
+    if (env->virt_enabled && get_field(env->hstatus, HSTATUS_VTSR)) {
         riscv_raise_exception(env, RISCV_EXCP_VIRT_INSTRUCTION_FAULT, GETPC());
     }
 
@@ -294,7 +294,7 @@ target_ulong helper_sret(CPURISCVState *env)
     }
     env->mstatus = mstatus;
 
-    if (riscv_has_ext(env, RVH) && !riscv_cpu_virt_enabled(env)) {
+    if (riscv_has_ext(env, RVH) && !env->virt_enabled) {
         /* We support Hypervisor extensions and virtulisation is disabled */
         target_ulong hstatus = env->hstatus;
 
@@ -339,7 +339,8 @@ target_ulong helper_mret(CPURISCVState *env)
     mstatus = set_field(mstatus, MSTATUS_MIE,
                         get_field(mstatus, MSTATUS_MPIE));
     mstatus = set_field(mstatus, MSTATUS_MPIE, 1);
-    mstatus = set_field(mstatus, MSTATUS_MPP, PRV_U);
+    mstatus = set_field(mstatus, MSTATUS_MPP,
+                        riscv_has_ext(env, RVU) ? PRV_U : PRV_M);
     mstatus = set_field(mstatus, MSTATUS_MPV, 0);
     if ((env->priv_ver >= PRIV_VERSION_1_12_0) && (prev_priv != PRV_M)) {
         mstatus = set_field(mstatus, MSTATUS_MPRV, 0);
@@ -366,10 +367,10 @@ void helper_wfi(CPURISCVState *env)
     bool prv_s = env->priv == PRV_S;
 
     if (((prv_s || (!rvs && prv_u)) && get_field(env->mstatus, MSTATUS_TW)) ||
-        (rvs && prv_u && !riscv_cpu_virt_enabled(env))) {
+        (rvs && prv_u && !env->virt_enabled)) {
         riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
-    } else if (riscv_cpu_virt_enabled(env) && (prv_u ||
-        (prv_s && get_field(env->hstatus, HSTATUS_VTW)))) {
+    } else if (env->virt_enabled &&
+               (prv_u || (prv_s && get_field(env->hstatus, HSTATUS_VTW)))) {
         riscv_raise_exception(env, RISCV_EXCP_VIRT_INSTRUCTION_FAULT, GETPC());
     } else {
         cs->halted = 1;
@@ -381,12 +382,12 @@ void helper_wfi(CPURISCVState *env)
 void helper_tlb_flush(CPURISCVState *env)
 {
     CPUState *cs = env_cpu(env);
-    if (!(env->priv >= PRV_S) ||
-        (env->priv == PRV_S &&
-         get_field(env->mstatus, MSTATUS_TVM))) {
+    if (!env->virt_enabled &&
+        (env->priv == PRV_U ||
+         (env->priv == PRV_S && get_field(env->mstatus, MSTATUS_TVM)))) {
         riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
-    } else if (riscv_has_ext(env, RVH) && riscv_cpu_virt_enabled(env) &&
-               get_field(env->hstatus, HSTATUS_VTVM)) {
+    } else if (env->virt_enabled &&
+               (env->priv == PRV_U || get_field(env->hstatus, HSTATUS_VTVM))) {
         riscv_raise_exception(env, RISCV_EXCP_VIRT_INSTRUCTION_FAULT, GETPC());
     } else {
         tlb_flush(cs);
@@ -403,12 +404,12 @@ void helper_hyp_tlb_flush(CPURISCVState *env)
 {
     CPUState *cs = env_cpu(env);
 
-    if (env->priv == PRV_S && riscv_cpu_virt_enabled(env)) {
+    if (env->virt_enabled) {
         riscv_raise_exception(env, RISCV_EXCP_VIRT_INSTRUCTION_FAULT, GETPC());
     }
 
     if (env->priv == PRV_M ||
-        (env->priv == PRV_S && !riscv_cpu_virt_enabled(env))) {
+        (env->priv == PRV_S && !env->virt_enabled)) {
         tlb_flush(cs);
         return;
     }
@@ -418,7 +419,7 @@ void helper_hyp_tlb_flush(CPURISCVState *env)
 
 void helper_hyp_gvma_tlb_flush(CPURISCVState *env)
 {
-    if (env->priv == PRV_S && !riscv_cpu_virt_enabled(env) &&
+    if (env->priv == PRV_S && !env->virt_enabled &&
         get_field(env->mstatus, MSTATUS_TVM)) {
         riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
     }
@@ -426,18 +427,118 @@ void helper_hyp_gvma_tlb_flush(CPURISCVState *env)
     helper_hyp_tlb_flush(env);
 }
 
-target_ulong helper_hyp_hlvx_hu(CPURISCVState *env, target_ulong address)
+static int check_access_hlsv(CPURISCVState *env, bool x, uintptr_t ra)
 {
-    int mmu_idx = cpu_mmu_index(env, true) | TB_FLAGS_PRIV_HYP_ACCESS_MASK;
+    if (env->priv == PRV_M) {
+        /* always allowed */
+    } else if (env->virt_enabled) {
+        riscv_raise_exception(env, RISCV_EXCP_VIRT_INSTRUCTION_FAULT, ra);
+    } else if (env->priv == PRV_U && !get_field(env->hstatus, HSTATUS_HU)) {
+        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, ra);
+    }
+
+    int mode = get_field(env->hstatus, HSTATUS_SPVP);
+    if (!x && mode == PRV_S && get_field(env->vsstatus, MSTATUS_SUM)) {
+        mode = MMUIdx_S_SUM;
+    }
+    return mode | MMU_2STAGE_BIT;
+}
+
+target_ulong helper_hyp_hlv_bu(CPURISCVState *env, target_ulong addr)
+{
+    uintptr_t ra = GETPC();
+    int mmu_idx = check_access_hlsv(env, false, ra);
+    MemOpIdx oi = make_memop_idx(MO_UB, mmu_idx);
+
+    return cpu_ldb_mmu(env, addr, oi, ra);
+}
+
+target_ulong helper_hyp_hlv_hu(CPURISCVState *env, target_ulong addr)
+{
+    uintptr_t ra = GETPC();
+    int mmu_idx = check_access_hlsv(env, false, ra);
+    MemOpIdx oi = make_memop_idx(MO_TEUW, mmu_idx);
+
+    return cpu_ldw_mmu(env, addr, oi, ra);
+}
+
+target_ulong helper_hyp_hlv_wu(CPURISCVState *env, target_ulong addr)
+{
+    uintptr_t ra = GETPC();
+    int mmu_idx = check_access_hlsv(env, false, ra);
+    MemOpIdx oi = make_memop_idx(MO_TEUL, mmu_idx);
+
+    return cpu_ldl_mmu(env, addr, oi, ra);
+}
+
+target_ulong helper_hyp_hlv_d(CPURISCVState *env, target_ulong addr)
+{
+    uintptr_t ra = GETPC();
+    int mmu_idx = check_access_hlsv(env, false, ra);
+    MemOpIdx oi = make_memop_idx(MO_TEUQ, mmu_idx);
+
+    return cpu_ldq_mmu(env, addr, oi, ra);
+}
 
-    return cpu_lduw_mmuidx_ra(env, address, mmu_idx, GETPC());
+void helper_hyp_hsv_b(CPURISCVState *env, target_ulong addr, target_ulong val)
+{
+    uintptr_t ra = GETPC();
+    int mmu_idx = check_access_hlsv(env, false, ra);
+    MemOpIdx oi = make_memop_idx(MO_UB, mmu_idx);
+
+    cpu_stb_mmu(env, addr, val, oi, ra);
+}
+
+void helper_hyp_hsv_h(CPURISCVState *env, target_ulong addr, target_ulong val)
+{
+    uintptr_t ra = GETPC();
+    int mmu_idx = check_access_hlsv(env, false, ra);
+    MemOpIdx oi = make_memop_idx(MO_TEUW, mmu_idx);
+
+    cpu_stw_mmu(env, addr, val, oi, ra);
+}
+
+void helper_hyp_hsv_w(CPURISCVState *env, target_ulong addr, target_ulong val)
+{
+    uintptr_t ra = GETPC();
+    int mmu_idx = check_access_hlsv(env, false, ra);
+    MemOpIdx oi = make_memop_idx(MO_TEUL, mmu_idx);
+
+    cpu_stl_mmu(env, addr, val, oi, ra);
 }
 
-target_ulong helper_hyp_hlvx_wu(CPURISCVState *env, target_ulong address)
+void helper_hyp_hsv_d(CPURISCVState *env, target_ulong addr, target_ulong val)
 {
-    int mmu_idx = cpu_mmu_index(env, true) | TB_FLAGS_PRIV_HYP_ACCESS_MASK;
+    uintptr_t ra = GETPC();
+    int mmu_idx = check_access_hlsv(env, false, ra);
+    MemOpIdx oi = make_memop_idx(MO_TEUQ, mmu_idx);
+
+    cpu_stq_mmu(env, addr, val, oi, ra);
+}
+
+/*
+ * TODO: These implementations are not quite correct.  They perform the
+ * access using execute permission just fine, but the final PMP check
+ * is supposed to have read permission as well.  Without replicating
+ * a fair fraction of cputlb.c, fixing this requires adding new mmu_idx
+ * which would imply that exact check in tlb_fill.
+ */
+target_ulong helper_hyp_hlvx_hu(CPURISCVState *env, target_ulong addr)
+{
+    uintptr_t ra = GETPC();
+    int mmu_idx = check_access_hlsv(env, true, ra);
+    MemOpIdx oi = make_memop_idx(MO_TEUW, mmu_idx);
+
+    return cpu_ldw_code_mmu(env, addr, oi, GETPC());
+}
+
+target_ulong helper_hyp_hlvx_wu(CPURISCVState *env, target_ulong addr)
+{
+    uintptr_t ra = GETPC();
+    int mmu_idx = check_access_hlsv(env, true, ra);
+    MemOpIdx oi = make_memop_idx(MO_TEUL, mmu_idx);
 
-    return cpu_ldl_mmuidx_ra(env, address, mmu_idx, GETPC());
+    return cpu_ldl_code_mmu(env, addr, oi, ra);
 }
 
 #endif /* !CONFIG_USER_ONLY */

target/riscv/pmp.c

@@ -27,7 +27,7 @@
 #include "exec/exec-all.h"
 
 static void pmp_write_cfg(CPURISCVState *env, uint32_t addr_index,
-    uint8_t val);
+                          uint8_t val);
 static uint8_t pmp_read_cfg(CPURISCVState *env, uint32_t addr_index);
 static void pmp_update_rule(CPURISCVState *env, uint32_t pmp_index);
 
@@ -129,18 +129,19 @@ static void pmp_write_cfg(CPURISCVState *env, uint32_t pmp_index, uint8_t val)
     }
 }
 
-static void pmp_decode_napot(target_ulong a, target_ulong *sa, target_ulong *ea)
+static void pmp_decode_napot(target_ulong a, target_ulong *sa,
+                             target_ulong *ea)
 {
     /*
-       aaaa...aaa0   8-byte NAPOT range
-       aaaa...aa01   16-byte NAPOT range
-       aaaa...a011   32-byte NAPOT range
-       ...
-       aa01...1111   2^XLEN-byte NAPOT range
-       a011...1111   2^(XLEN+1)-byte NAPOT range
-       0111...1111   2^(XLEN+2)-byte NAPOT range
-       1111...1111   Reserved
-    */
+     * aaaa...aaa0   8-byte NAPOT range
+     * aaaa...aa01   16-byte NAPOT range
+     * aaaa...a011   32-byte NAPOT range
+     * ...
+     * aa01...1111   2^XLEN-byte NAPOT range
+     * a011...1111   2^(XLEN+1)-byte NAPOT range
+     * 0111...1111   2^(XLEN+2)-byte NAPOT range
+     * 1111...1111   Reserved
+     */
     a = (a << 2) | 0x3;
     *sa = a & (a + 1);
     *ea = a | (a + 1);
@@ -205,7 +206,8 @@ void pmp_update_rule_nums(CPURISCVState *env)
     }
 }
 
-/* Convert cfg/addr reg values here into simple 'sa' --> start address and 'ea'
+/*
+ * Convert cfg/addr reg values here into simple 'sa' --> start address and 'ea'
  *   end address values.
  *   This function is called relatively infrequently whereas the check that
  *   an address is within a pmp rule is called often, so optimise that one
@@ -216,12 +218,13 @@ static void pmp_update_rule(CPURISCVState *env, uint32_t pmp_index)
     pmp_update_rule_nums(env);
 }
 
-static int pmp_is_in_range(CPURISCVState *env, int pmp_index, target_ulong addr)
+static int pmp_is_in_range(CPURISCVState *env, int pmp_index,
+                           target_ulong addr)
 {
     int result = 0;
 
-    if ((addr >= env->pmp_state.addr[pmp_index].sa)
-        && (addr <= env->pmp_state.addr[pmp_index].ea)) {
+    if ((addr >= env->pmp_state.addr[pmp_index].sa) &&
+        (addr <= env->pmp_state.addr[pmp_index].ea)) {
         result = 1;
     } else {
         result = 0;
@@ -234,8 +237,9 @@ static int pmp_is_in_range(CPURISCVState *env, int pmp_index, target_ulong addr)
  * Check if the address has required RWX privs when no PMP entry is matched.
  */
 static bool pmp_hart_has_privs_default(CPURISCVState *env, target_ulong addr,
-    target_ulong size, pmp_priv_t privs, pmp_priv_t *allowed_privs,
-    target_ulong mode)
+                                       target_ulong size, pmp_priv_t privs,
+                                       pmp_priv_t *allowed_privs,
+                                       target_ulong mode)
 {
     bool ret;
 
@@ -297,8 +301,8 @@ static bool pmp_hart_has_privs_default(CPURISCVState *env, target_ulong addr,
  * Return negtive value if no match
  */
 int pmp_hart_has_privs(CPURISCVState *env, target_ulong addr,
-    target_ulong size, pmp_priv_t privs, pmp_priv_t *allowed_privs,
-    target_ulong mode)
+                       target_ulong size, pmp_priv_t privs,
+                       pmp_priv_t *allowed_privs, target_ulong mode)
 {
     int i = 0;
     int ret = -1;
@@ -328,8 +332,10 @@ int pmp_hart_has_privs(CPURISCVState *env, target_ulong addr,
         pmp_size = size;
     }
 
-    /* 1.10 draft priv spec states there is an implicit order
-         from low to high */
+    /*
+     * 1.10 draft priv spec states there is an implicit order
+     * from low to high
+     */
     for (i = 0; i < MAX_RISCV_PMPS; i++) {
         s = pmp_is_in_range(env, i, addr);
         e = pmp_is_in_range(env, i, addr + pmp_size - 1);
@@ -466,7 +472,7 @@ int pmp_hart_has_privs(CPURISCVState *env, target_ulong addr,
  * Handle a write to a pmpcfg CSR
  */
 void pmpcfg_csr_write(CPURISCVState *env, uint32_t reg_index,
-    target_ulong val)
+                      target_ulong val)
 {
     int i;
     uint8_t cfg_val;
@@ -508,7 +514,7 @@ target_ulong pmpcfg_csr_read(CPURISCVState *env, uint32_t reg_index)
  * Handle a write to a pmpaddr CSR
  */
 void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index,
-    target_ulong val)
+                       target_ulong val)
 {
     trace_pmpaddr_csr_write(env->mhartid, addr_index, val);
 
@@ -608,13 +614,13 @@ target_ulong pmp_get_tlb_size(CPURISCVState *env, int pmp_index,
         return TARGET_PAGE_SIZE;
     } else {
         /*
-        * At this point we have a tlb_size that is the smallest possible size
-        * That fits within a TARGET_PAGE_SIZE and the PMP region.
-        *
-        * If the size is less then TARGET_PAGE_SIZE we drop the size to 1.
-        * This means the result isn't cached in the TLB and is only used for
-        * a single translation.
-        */
+         * At this point we have a tlb_size that is the smallest possible size
+         * That fits within a TARGET_PAGE_SIZE and the PMP region.
+         *
+         * If the size is less then TARGET_PAGE_SIZE we drop the size to 1.
+         * This means the result isn't cached in the TLB and is only used for
+         * a single translation.
+         */
         return 1;
     }
 }

target/riscv/pmp.h

@@ -63,18 +63,19 @@ typedef struct {
 } pmp_table_t;
 
 void pmpcfg_csr_write(CPURISCVState *env, uint32_t reg_index,
-    target_ulong val);
+                      target_ulong val);
 target_ulong pmpcfg_csr_read(CPURISCVState *env, uint32_t reg_index);
 
 void mseccfg_csr_write(CPURISCVState *env, target_ulong val);
 target_ulong mseccfg_csr_read(CPURISCVState *env);
 
 void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index,
-    target_ulong val);
+                       target_ulong val);
 target_ulong pmpaddr_csr_read(CPURISCVState *env, uint32_t addr_index);
 int pmp_hart_has_privs(CPURISCVState *env, target_ulong addr,
-    target_ulong size, pmp_priv_t privs, pmp_priv_t *allowed_privs,
-    target_ulong mode);
+                       target_ulong size, pmp_priv_t privs,
+                       pmp_priv_t *allowed_privs,
+                       target_ulong mode);
 target_ulong pmp_get_tlb_size(CPURISCVState *env, int pmp_index,
                               target_ulong tlb_sa, target_ulong tlb_ea);
 void pmp_update_rule_addr(CPURISCVState *env, uint32_t pmp_index);

target/riscv/pmu.c

@@ -35,7 +35,7 @@
  */
 void riscv_pmu_generate_fdt_node(void *fdt, int num_ctrs, char *pmu_name)
 {
-    uint32_t fdt_event_ctr_map[20] = {};
+    uint32_t fdt_event_ctr_map[15] = {};
     uint32_t cmask;
 
     /* All the programmable counters can map to any event */
@@ -109,7 +109,7 @@ static int riscv_pmu_incr_ctr_rv32(RISCVCPU *cpu, uint32_t ctr_idx)
     CPURISCVState *env = &cpu->env;
     target_ulong max_val = UINT32_MAX;
     PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
-    bool virt_on = riscv_cpu_virt_enabled(env);
+    bool virt_on = env->virt_enabled;
 
     /* Privilege mode filtering */
     if ((env->priv == PRV_M &&
@@ -133,7 +133,7 @@ static int riscv_pmu_incr_ctr_rv32(RISCVCPU *cpu, uint32_t ctr_idx)
             /* Generate interrupt only if OF bit is clear */
             if (!(env->mhpmeventh_val[ctr_idx] & MHPMEVENTH_BIT_OF)) {
                 env->mhpmeventh_val[ctr_idx] |= MHPMEVENTH_BIT_OF;
-                riscv_cpu_update_mip(cpu, MIP_LCOFIP, BOOL_TO_MASK(1));
+                riscv_cpu_update_mip(env, MIP_LCOFIP, BOOL_TO_MASK(1));
             }
         } else {
             counter->mhpmcounterh_val++;
@@ -150,7 +150,7 @@ static int riscv_pmu_incr_ctr_rv64(RISCVCPU *cpu, uint32_t ctr_idx)
     CPURISCVState *env = &cpu->env;
     PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
     uint64_t max_val = UINT64_MAX;
-    bool virt_on = riscv_cpu_virt_enabled(env);
+    bool virt_on = env->virt_enabled;
 
     /* Privilege mode filtering */
     if ((env->priv == PRV_M &&
@@ -172,7 +172,7 @@ static int riscv_pmu_incr_ctr_rv64(RISCVCPU *cpu, uint32_t ctr_idx)
         /* Generate interrupt only if OF bit is clear */
         if (!(env->mhpmevent_val[ctr_idx] & MHPMEVENT_BIT_OF)) {
             env->mhpmevent_val[ctr_idx] |= MHPMEVENT_BIT_OF;
-            riscv_cpu_update_mip(cpu, MIP_LCOFIP, BOOL_TO_MASK(1));
+            riscv_cpu_update_mip(env, MIP_LCOFIP, BOOL_TO_MASK(1));
         }
     } else {
         counter->mhpmcounter_val++;
@@ -223,7 +223,7 @@ bool riscv_pmu_ctr_monitor_instructions(CPURISCVState *env,
         return true;
     }
 
-    cpu = RISCV_CPU(env_cpu(env));
+    cpu = env_archcpu(env);
     if (!cpu->pmu_event_ctr_map) {
         return false;
     }
@@ -249,7 +249,7 @@ bool riscv_pmu_ctr_monitor_cycles(CPURISCVState *env, uint32_t target_ctr)
         return true;
     }
 
-    cpu = RISCV_CPU(env_cpu(env));
+    cpu = env_archcpu(env);
     if (!cpu->pmu_event_ctr_map) {
         return false;
     }
@@ -289,7 +289,7 @@ int riscv_pmu_update_event_map(CPURISCVState *env, uint64_t value,
                                uint32_t ctr_idx)
 {
     uint32_t event_idx;
-    RISCVCPU *cpu = RISCV_CPU(env_cpu(env));
+    RISCVCPU *cpu = env_archcpu(env);
 
     if (!riscv_pmu_counter_valid(cpu, ctr_idx) || !cpu->pmu_event_ctr_map) {
         return -1;
@@ -371,7 +371,7 @@ static void pmu_timer_trigger_irq(RISCVCPU *cpu,
         /* Generate interrupt only if OF bit is clear */
         if (!(*mhpmevent_val & of_bit_mask)) {
             *mhpmevent_val |= of_bit_mask;
-            riscv_cpu_update_mip(cpu, MIP_LCOFIP, BOOL_TO_MASK(1));
+            riscv_cpu_update_mip(env, MIP_LCOFIP, BOOL_TO_MASK(1));
         }
     }
 }
@@ -390,7 +390,7 @@ int riscv_pmu_setup_timer(CPURISCVState *env, uint64_t value, uint32_t ctr_idx)
 {
     uint64_t overflow_delta, overflow_at;
     int64_t overflow_ns, overflow_left = 0;
-    RISCVCPU *cpu = RISCV_CPU(env_cpu(env));
+    RISCVCPU *cpu = env_archcpu(env);
     PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
 
     if (!riscv_pmu_counter_valid(cpu, ctr_idx) || !cpu->cfg.ext_sscofpmf) {
@@ -419,7 +419,8 @@ int riscv_pmu_setup_timer(CPURISCVState *env, uint64_t value, uint32_t ctr_idx)
     } else {
         return -1;
     }
-    overflow_at = (uint64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + overflow_ns;
+    overflow_at = (uint64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
+                  overflow_ns;
 
     if (overflow_at > INT64_MAX) {
         overflow_left += overflow_at - INT64_MAX;

target/riscv/riscv-qmp-cmds.c

@@ -0,0 +1,57 @@
+/*
+ * QEMU CPU QMP commands for RISC-V
+ *
+ * Copyright (c) 2023 Ventana Micro Systems Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+
+#include "qapi/qapi-commands-machine-target.h"
+#include "cpu-qom.h"
+
+static void riscv_cpu_add_definition(gpointer data, gpointer user_data)
+{
+    ObjectClass *oc = data;
+    CpuDefinitionInfoList **cpu_list = user_data;
+    CpuDefinitionInfo *info = g_malloc0(sizeof(*info));
+    const char *typename = object_class_get_name(oc);
+    ObjectClass *dyn_class;
+
+    info->name = g_strndup(typename,
+                           strlen(typename) - strlen("-" TYPE_RISCV_CPU));
+    info->q_typename = g_strdup(typename);
+
+    dyn_class = object_class_dynamic_cast(oc, TYPE_RISCV_DYNAMIC_CPU);
+    info->q_static = dyn_class == NULL;
+
+    QAPI_LIST_PREPEND(*cpu_list, info);
+}
+
+CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
+{
+    CpuDefinitionInfoList *cpu_list = NULL;
+    GSList *list = object_class_get_list(TYPE_RISCV_CPU, false);
+
+    g_slist_foreach(list, riscv_cpu_add_definition, &cpu_list);
+    g_slist_free(list);
+
+    return cpu_list;
+}

target/riscv/sbi_ecall_interface.h

@@ -28,7 +28,7 @@
 #define SBI_EXT_RFENCE                  0x52464E43
 #define SBI_EXT_HSM                     0x48534D
 
-/* SBI function IDs for BASE extension*/
+/* SBI function IDs for BASE extension */
 #define SBI_EXT_BASE_GET_SPEC_VERSION   0x0
 #define SBI_EXT_BASE_GET_IMP_ID         0x1
 #define SBI_EXT_BASE_GET_IMP_VERSION    0x2
@@ -37,13 +37,13 @@
 #define SBI_EXT_BASE_GET_MARCHID        0x5
 #define SBI_EXT_BASE_GET_MIMPID         0x6
 
-/* SBI function IDs for TIME extension*/
+/* SBI function IDs for TIME extension */
 #define SBI_EXT_TIME_SET_TIMER          0x0
 
-/* SBI function IDs for IPI extension*/
+/* SBI function IDs for IPI extension */
 #define SBI_EXT_IPI_SEND_IPI            0x0
 
-/* SBI function IDs for RFENCE extension*/
+/* SBI function IDs for RFENCE extension */
 #define SBI_EXT_RFENCE_REMOTE_FENCE_I       0x0
 #define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA    0x1
 #define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID  0x2

target/riscv/time_helper.c

@@ -27,25 +27,24 @@ static void riscv_vstimer_cb(void *opaque)
     RISCVCPU *cpu = opaque;
     CPURISCVState *env = &cpu->env;
     env->vstime_irq = 1;
-    riscv_cpu_update_mip(cpu, 0, BOOL_TO_MASK(1));
+    riscv_cpu_update_mip(env, 0, BOOL_TO_MASK(1));
 }
 
 static void riscv_stimer_cb(void *opaque)
 {
     RISCVCPU *cpu = opaque;
-    riscv_cpu_update_mip(cpu, MIP_STIP, BOOL_TO_MASK(1));
+    riscv_cpu_update_mip(&cpu->env, MIP_STIP, BOOL_TO_MASK(1));
 }
 
 /*
  * Called when timecmp is written to update the QEMU timer or immediately
  * trigger timer interrupt if mtimecmp <= current timer value.
  */
-void riscv_timer_write_timecmp(RISCVCPU *cpu, QEMUTimer *timer,
+void riscv_timer_write_timecmp(CPURISCVState *env, QEMUTimer *timer,
                                uint64_t timecmp, uint64_t delta,
                                uint32_t timer_irq)
 {
     uint64_t diff, ns_diff, next;
-    CPURISCVState *env = &cpu->env;
     RISCVAclintMTimerState *mtimer = env->rdtime_fn_arg;
     uint32_t timebase_freq = mtimer->timebase_freq;
     uint64_t rtc_r = env->rdtime_fn(env->rdtime_fn_arg) + delta;
@@ -57,9 +56,9 @@ void riscv_timer_write_timecmp(RISCVCPU *cpu, QEMUTimer *timer,
          */
         if (timer_irq == MIP_VSTIP) {
             env->vstime_irq = 1;
-            riscv_cpu_update_mip(cpu, 0, BOOL_TO_MASK(1));
+            riscv_cpu_update_mip(env, 0, BOOL_TO_MASK(1));
         } else {
-            riscv_cpu_update_mip(cpu, MIP_STIP, BOOL_TO_MASK(1));
+            riscv_cpu_update_mip(env, MIP_STIP, BOOL_TO_MASK(1));
         }
         return;
     }
@@ -67,9 +66,9 @@ void riscv_timer_write_timecmp(RISCVCPU *cpu, QEMUTimer *timer,
     /* Clear the [VS|S]TIP bit in mip */
     if (timer_irq == MIP_VSTIP) {
         env->vstime_irq = 0;
-        riscv_cpu_update_mip(cpu, 0, BOOL_TO_MASK(0));
+        riscv_cpu_update_mip(env, 0, BOOL_TO_MASK(0));
     } else {
-        riscv_cpu_update_mip(cpu, timer_irq, BOOL_TO_MASK(0));
+        riscv_cpu_update_mip(env, timer_irq, BOOL_TO_MASK(0));
     }
 
     /*

target/riscv/time_helper.h

@@ -22,7 +22,7 @@
 #include "cpu.h"
 #include "qemu/timer.h"
 
-void riscv_timer_write_timecmp(RISCVCPU *cpu, QEMUTimer *timer,
+void riscv_timer_write_timecmp(CPURISCVState *env, QEMUTimer *timer,
                                uint64_t timecmp, uint64_t delta,
                                uint32_t timer_irq);
 void riscv_timer_init(RISCVCPU *cpu);

target/riscv/translate.c

@@ -64,22 +64,22 @@ typedef struct DisasContext {
     RISCVMXL xl;
     uint32_t misa_ext;
     uint32_t opcode;
-    uint32_t mstatus_fs;
-    uint32_t mstatus_vs;
-    uint32_t mstatus_hs_fs;
-    uint32_t mstatus_hs_vs;
+    RISCVExtStatus mstatus_fs;
+    RISCVExtStatus mstatus_vs;
     uint32_t mem_idx;
-    /* Remember the rounding mode encoded in the previous fp instruction,
-       which we have already installed into env->fp_status.  Or -1 for
-       no previous fp instruction.  Note that we exit the TB when writing
-       to any system register, which includes CSR_FRM, so we do not have
-       to reset this known value.  */
+    uint32_t priv;
+    /*
+     * Remember the rounding mode encoded in the previous fp instruction,
+     * which we have already installed into env->fp_status.  Or -1 for
+     * no previous fp instruction.  Note that we exit the TB when writing
+     * to any system register, which includes CSR_FRM, so we do not have
+     * to reset this known value.
+     */
     int frm;
     RISCVMXL ol;
     bool virt_inst_excp;
     bool virt_enabled;
     const RISCVCPUConfig *cfg_ptr;
-    bool hlsx;
     /* vector extension */
     bool vill;
     /*
@@ -99,7 +99,7 @@ typedef struct DisasContext {
     uint8_t vta;
     uint8_t vma;
     bool cfg_vta_all_1s;
-    target_ulong vstart;
+    bool vstart_eq_zero;
     bool vl_eq_vlmax;
     CPUState *cs;
     TCGv zero;
@@ -491,7 +491,7 @@ static TCGv_i64 dest_fpr(DisasContext *ctx, int reg_num)
     }
 }
 
-/* assume t is nanboxing (for normal) or sign-extended (for zfinx) */
+/* assume it is nanboxing (for normal) or sign-extended (for zfinx) */
 static void gen_set_fpr_hs(DisasContext *ctx, int reg_num, TCGv_i64 t)
 {
     if (!ctx->cfg_ptr->ext_zfinx) {
@@ -549,7 +549,7 @@ static void gen_jal(DisasContext *ctx, int rd, target_ulong imm)
 
     /* check misaligned: */
     next_pc = ctx->base.pc_next + imm;
-    if (!has_ext(ctx, RVC)) {
+    if (!ctx->cfg_ptr->ext_zca) {
         if ((next_pc & 0x3) != 0) {
             gen_exception_inst_addr_mis(ctx);
             return;
@@ -598,8 +598,7 @@ static TCGv get_address_indexed(DisasContext *ctx, int rs1, TCGv offs)
 }
 
 #ifndef CONFIG_USER_ONLY
-/* The states of mstatus_fs are:
- * 0 = disabled, 1 = initial, 2 = clean, 3 = dirty
+/*
  * We will have already diagnosed disabled state,
  * and need to turn initial/clean into dirty.
  */
@@ -611,24 +610,20 @@ static void mark_fs_dirty(DisasContext *ctx)
         return;
     }
 
-    if (ctx->mstatus_fs != MSTATUS_FS) {
+    if (ctx->mstatus_fs != EXT_STATUS_DIRTY) {
         /* Remember the state change for the rest of the TB. */
-        ctx->mstatus_fs = MSTATUS_FS;
+        ctx->mstatus_fs = EXT_STATUS_DIRTY;
 
         tmp = tcg_temp_new();
         tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus));
         tcg_gen_ori_tl(tmp, tmp, MSTATUS_FS);
         tcg_gen_st_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus));
-    }
-
-    if (ctx->virt_enabled && ctx->mstatus_hs_fs != MSTATUS_FS) {
-        /* Remember the stage change for the rest of the TB. */
-        ctx->mstatus_hs_fs = MSTATUS_FS;
 
-        tmp = tcg_temp_new();
-        tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
-        tcg_gen_ori_tl(tmp, tmp, MSTATUS_FS);
-        tcg_gen_st_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
+        if (ctx->virt_enabled) {
+            tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
+            tcg_gen_ori_tl(tmp, tmp, MSTATUS_FS);
+            tcg_gen_st_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
+        }
     }
 }
 #else
@@ -636,8 +631,7 @@ static inline void mark_fs_dirty(DisasContext *ctx) { }
 #endif
 
 #ifndef CONFIG_USER_ONLY
-/* The states of mstatus_vs are:
- * 0 = disabled, 1 = initial, 2 = clean, 3 = dirty
+/*
  * We will have already diagnosed disabled state,
  * and need to turn initial/clean into dirty.
  */
@@ -645,24 +639,20 @@ static void mark_vs_dirty(DisasContext *ctx)
 {
     TCGv tmp;
 
-    if (ctx->mstatus_vs != MSTATUS_VS) {
+    if (ctx->mstatus_vs != EXT_STATUS_DIRTY) {
         /* Remember the state change for the rest of the TB.  */
-        ctx->mstatus_vs = MSTATUS_VS;
+        ctx->mstatus_vs = EXT_STATUS_DIRTY;
 
         tmp = tcg_temp_new();
         tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus));
         tcg_gen_ori_tl(tmp, tmp, MSTATUS_VS);
         tcg_gen_st_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus));
-    }
-
-    if (ctx->virt_enabled && ctx->mstatus_hs_vs != MSTATUS_VS) {
-        /* Remember the stage change for the rest of the TB. */
-        ctx->mstatus_hs_vs = MSTATUS_VS;
 
-        tmp = tcg_temp_new();
-        tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
-        tcg_gen_ori_tl(tmp, tmp, MSTATUS_VS);
-        tcg_gen_st_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
+        if (ctx->virt_enabled) {
+            tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
+            tcg_gen_ori_tl(tmp, tmp, MSTATUS_VS);
+            tcg_gen_st_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
+        }
     }
 }
 #else
@@ -746,8 +736,8 @@ EX_SH(12)
 } while (0)
 
 #define REQUIRE_EITHER_EXT(ctx, A, B) do {       \
-    if (!ctx->cfg_ptr->ext_##A &&      \
-        !ctx->cfg_ptr->ext_##B) {      \
+    if (!ctx->cfg_ptr->ext_##A &&                \
+        !ctx->cfg_ptr->ext_##B) {                \
         return false;                            \
     }                                            \
 } while (0)
@@ -757,6 +747,11 @@ static int ex_rvc_register(DisasContext *ctx, int reg)
     return 8 + reg;
 }
 
+static int ex_sreg_register(DisasContext *ctx, int reg)
+{
+    return reg < 2 ? reg + 8 : reg + 16;
+}
+
 static int ex_rvc_shiftli(DisasContext *ctx, int imm)
 {
     /* For RV128 a shamt of 0 means a shift by 64. */
@@ -1091,6 +1086,8 @@ static uint32_t opcode_at(DisasContextBase *dcbase, target_ulong pc)
 
 /* Include the auto-generated decoder for 16 bit insn */
 #include "decode-insn16.c.inc"
+#include "insn_trans/trans_rvzce.c.inc"
+
 /* Include decoders for factored-out extensions */
 #include "decode-XVentanaCondOps.c.inc"
 
@@ -1122,7 +1119,11 @@ static void decode_opc(CPURISCVState *env, DisasContext *ctx, uint16_t opcode)
     if (insn_len(opcode) == 2) {
         ctx->opcode = opcode;
         ctx->pc_succ_insn = ctx->base.pc_next + 2;
-        if (has_ext(ctx, RVC) && decode_insn16(ctx, opcode)) {
+        /*
+         * The Zca extension is added as way to refer to instructions in the C
+         * extension that do not include the floating-point loads and stores
+         */
+        if (ctx->cfg_ptr->ext_zca && decode_insn16(ctx, opcode)) {
             return;
         }
     } else {
@@ -1152,32 +1153,22 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
     uint32_t tb_flags = ctx->base.tb->flags;
 
     ctx->pc_succ_insn = ctx->base.pc_first;
+    ctx->priv = FIELD_EX32(tb_flags, TB_FLAGS, PRIV);
     ctx->mem_idx = FIELD_EX32(tb_flags, TB_FLAGS, MEM_IDX);
-    ctx->mstatus_fs = tb_flags & TB_FLAGS_MSTATUS_FS;
-    ctx->mstatus_vs = tb_flags & TB_FLAGS_MSTATUS_VS;
+    ctx->mstatus_fs = FIELD_EX32(tb_flags, TB_FLAGS, FS);
+    ctx->mstatus_vs = FIELD_EX32(tb_flags, TB_FLAGS, VS);
     ctx->priv_ver = env->priv_ver;
-#if !defined(CONFIG_USER_ONLY)
-    if (riscv_has_ext(env, RVH)) {
-        ctx->virt_enabled = riscv_cpu_virt_enabled(env);
-    } else {
-        ctx->virt_enabled = false;
-    }
-#else
-    ctx->virt_enabled = false;
-#endif
+    ctx->virt_enabled = FIELD_EX32(tb_flags, TB_FLAGS, VIRT_ENABLED);
     ctx->misa_ext = env->misa_ext;
     ctx->frm = -1;  /* unknown rounding mode */
     ctx->cfg_ptr = &(cpu->cfg);
-    ctx->mstatus_hs_fs = FIELD_EX32(tb_flags, TB_FLAGS, MSTATUS_HS_FS);
-    ctx->mstatus_hs_vs = FIELD_EX32(tb_flags, TB_FLAGS, MSTATUS_HS_VS);
-    ctx->hlsx = FIELD_EX32(tb_flags, TB_FLAGS, HLSX);
     ctx->vill = FIELD_EX32(tb_flags, TB_FLAGS, VILL);
     ctx->sew = FIELD_EX32(tb_flags, TB_FLAGS, SEW);
     ctx->lmul = sextract32(FIELD_EX32(tb_flags, TB_FLAGS, LMUL), 0, 3);
     ctx->vta = FIELD_EX32(tb_flags, TB_FLAGS, VTA) && cpu->cfg.rvv_ta_all_1s;
     ctx->vma = FIELD_EX32(tb_flags, TB_FLAGS, VMA) && cpu->cfg.rvv_ma_all_1s;
     ctx->cfg_vta_all_1s = cpu->cfg.rvv_ta_all_1s;
-    ctx->vstart = env->vstart;
+    ctx->vstart_eq_zero = FIELD_EX32(tb_flags, TB_FLAGS, VSTART_EQ_ZERO);
     ctx->vl_eq_vlmax = FIELD_EX32(tb_flags, TB_FLAGS, VL_EQ_VLMAX);
     ctx->misa_mxl_max = env->misa_mxl_max;
     ctx->xl = FIELD_EX32(tb_flags, TB_FLAGS, XL);
@@ -1255,8 +1246,8 @@ static void riscv_tr_disas_log(const DisasContextBase *dcbase,
 
     fprintf(logfile, "IN: %s\n", lookup_symbol(dcbase->pc_first));
 #ifndef CONFIG_USER_ONLY
-    fprintf(logfile, "Priv: "TARGET_FMT_ld"; Virt: "TARGET_FMT_ld"\n",
-            env->priv, env->virt);
+    fprintf(logfile, "Priv: "TARGET_FMT_ld"; Virt: %d\n",
+            env->priv, env->virt_enabled);
 #endif
     target_disas(logfile, cpu, dcbase->pc_first, dcbase->tb->size);
 }

target/riscv/vector_helper.c

@@ -50,10 +50,7 @@ target_ulong HELPER(vsetvl)(CPURISCVState *env, target_ulong s1,
         }
     }
 
-    if ((sew > cpu->cfg.elen)
-        || vill
-        || (ediv != 0)
-        || (reserved != 0)) {
+    if ((sew > cpu->cfg.elen) || vill || (ediv != 0) || (reserved != 0)) {
         /* only set vill bit. */
         env->vill = 1;
         env->vtype = 0;
@@ -290,7 +287,7 @@ static void vext_set_tail_elems_1s(CPURISCVState *env, target_ulong vl,
 }
 
 /*
- *** stride: access vector element from strided memory
+ * stride: access vector element from strided memory
  */
 static void
 vext_ldst_stride(void *vd, void *v0, target_ulong base,
@@ -356,10 +353,10 @@ GEN_VEXT_ST_STRIDE(vsse32_v, int32_t, ste_w)
 GEN_VEXT_ST_STRIDE(vsse64_v, int64_t, ste_d)
 
 /*
- *** unit-stride: access elements stored contiguously in memory
+ * unit-stride: access elements stored contiguously in memory
  */
 
-/* unmasked unit-stride load and store operation*/
+/* unmasked unit-stride load and store operation */
 static void
 vext_ldst_us(void *vd, target_ulong base, CPURISCVState *env, uint32_t desc,
              vext_ldst_elem_fn *ldst_elem, uint32_t log2_esz, uint32_t evl,
@@ -385,8 +382,8 @@ vext_ldst_us(void *vd, target_ulong base, CPURISCVState *env, uint32_t desc,
 }
 
 /*
- * masked unit-stride load and store operation will be a special case of stride,
- * stride = NF * sizeof (MTYPE)
+ * masked unit-stride load and store operation will be a special case of
+ * stride, stride = NF * sizeof (MTYPE)
  */
 
 #define GEN_VEXT_LD_US(NAME, ETYPE, LOAD_FN)                            \
@@ -432,7 +429,7 @@ GEN_VEXT_ST_US(vse32_v, int32_t, ste_w)
 GEN_VEXT_ST_US(vse64_v, int64_t, ste_d)
 
 /*
- *** unit stride mask load and store, EEW = 1
+ * unit stride mask load and store, EEW = 1
  */
 void HELPER(vlm_v)(void *vd, void *v0, target_ulong base,
                     CPURISCVState *env, uint32_t desc)
@@ -453,7 +450,7 @@ void HELPER(vsm_v)(void *vd, void *v0, target_ulong base,
 }
 
 /*
- *** index: access vector element from indexed memory
+ * index: access vector element from indexed memory
  */
 typedef target_ulong vext_get_index_addr(target_ulong base,
         uint32_t idx, void *vs2);
@@ -557,7 +554,7 @@ GEN_VEXT_ST_INDEX(vsxei64_32_v, int32_t, idx_d, ste_w)
 GEN_VEXT_ST_INDEX(vsxei64_64_v, int64_t, idx_d, ste_d)
 
 /*
- *** unit-stride fault-only-fisrt load instructions
+ * unit-stride fault-only-fisrt load instructions
  */
 static inline void
 vext_ldff(void *vd, void *v0, target_ulong base,
@@ -574,7 +571,7 @@ vext_ldff(void *vd, void *v0, target_ulong base,
     uint32_t vma = vext_vma(desc);
     target_ulong addr, offset, remain;
 
-    /* probe every access*/
+    /* probe every access */
     for (i = env->vstart; i < env->vl; i++) {
         if (!vm && !vext_elem_mask(v0, i)) {
             continue;
@@ -663,7 +660,7 @@ GEN_VEXT_LDFF(vle64ff_v, int64_t, lde_d)
 #define DO_MINU(N, M) DO_MIN((UMTYPE)N, (UMTYPE)M)
 
 /*
- *** load and store whole register instructions
+ * load and store whole register instructions
  */
 static void
 vext_ldst_whole(void *vd, target_ulong base, CPURISCVState *env, uint32_t desc,
@@ -681,7 +678,8 @@ vext_ldst_whole(void *vd, target_ulong base, CPURISCVState *env, uint32_t desc,
         /* load/store rest of elements of current segment pointed by vstart */
         for (pos = off; pos < max_elems; pos++, env->vstart++) {
             target_ulong addr = base + ((pos + k * max_elems) << log2_esz);
-            ldst_elem(env, adjust_addr(env, addr), pos + k * max_elems, vd, ra);
+            ldst_elem(env, adjust_addr(env, addr), pos + k * max_elems, vd,
+                      ra);
         }
         k++;
     }
@@ -736,7 +734,7 @@ GEN_VEXT_ST_WHOLE(vs4r_v, int8_t, ste_b)
 GEN_VEXT_ST_WHOLE(vs8r_v, int8_t, ste_b)
 
 /*
- *** Vector Integer Arithmetic Instructions
+ * Vector Integer Arithmetic Instructions
  */
 
 /* expand macro args before macro */
@@ -1116,7 +1114,7 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2,        \
                                                                          \
         *((ETYPE *)vd + H(i)) = DO_OP(s2, (ETYPE)(target_long)s1, carry);\
     }                                                                    \
-    env->vstart = 0;                                          \
+    env->vstart = 0;                                                     \
     /* set tail elements to 1s */                                        \
     vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz);             \
 }
@@ -1152,8 +1150,10 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2,   \
         vext_set_elem_mask(vd, i, DO_OP(s2, s1, carry));      \
     }                                                         \
     env->vstart = 0;                                          \
-    /* mask destination register are always tail-agnostic */  \
-    /* set tail elements to 1s */                             \
+    /*
+     * mask destination register are always tail-agnostic
+     * set tail elements to 1s
+     */                                                       \
     if (vta_all_1s) {                                         \
         for (; i < total_elems; i++) {                        \
             vext_set_elem_mask(vd, i, 1);                     \
@@ -1188,8 +1188,10 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1,          \
                 DO_OP(s2, (ETYPE)(target_long)s1, carry));      \
     }                                                           \
     env->vstart = 0;                                            \
-    /* mask destination register are always tail-agnostic */    \
-    /* set tail elements to 1s */                               \
+    /*
+     * mask destination register are always tail-agnostic
+     * set tail elements to 1s
+     */                                                         \
     if (vta_all_1s) {                                           \
         for (; i < total_elems; i++) {                          \
             vext_set_elem_mask(vd, i, 1);                       \
@@ -1305,10 +1307,13 @@ GEN_VEXT_SHIFT_VV(vsra_vv_h, uint16_t, int16_t, H2, H2, DO_SRL, 0xf)
 GEN_VEXT_SHIFT_VV(vsra_vv_w, uint32_t, int32_t, H4, H4, DO_SRL, 0x1f)
 GEN_VEXT_SHIFT_VV(vsra_vv_d, uint64_t, int64_t, H8, H8, DO_SRL, 0x3f)
 
-/* generate the helpers for shift instructions with one vector and one scalar */
+/*
+ * generate the helpers for shift instructions with one vector and one scalar
+ */
 #define GEN_VEXT_SHIFT_VX(NAME, TD, TS2, HD, HS2, OP, MASK) \
 void HELPER(NAME)(void *vd, void *v0, target_ulong s1,      \
-        void *vs2, CPURISCVState *env, uint32_t desc)       \
+                  void *vs2, CPURISCVState *env,            \
+                  uint32_t desc)                            \
 {                                                           \
     uint32_t vm = vext_vm(desc);                            \
     uint32_t vl = env->vl;                                  \
@@ -1394,8 +1399,10 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2,   \
         vext_set_elem_mask(vd, i, DO_OP(s2, s1));             \
     }                                                         \
     env->vstart = 0;                                          \
-    /* mask destination register are always tail-agnostic */  \
-    /* set tail elements to 1s */                             \
+    /*
+     * mask destination register are always tail-agnostic
+     * set tail elements to 1s
+     */                                                       \
     if (vta_all_1s) {                                         \
         for (; i < total_elems; i++) {                        \
             vext_set_elem_mask(vd, i, 1);                     \
@@ -1457,8 +1464,10 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2,   \
                 DO_OP(s2, (ETYPE)(target_long)s1));                 \
     }                                                               \
     env->vstart = 0;                                                \
-    /* mask destination register are always tail-agnostic */        \
-    /* set tail elements to 1s */                                   \
+    /*
+     * mask destination register are always tail-agnostic
+     * set tail elements to 1s
+     */                                                             \
     if (vta_all_1s) {                                               \
         for (; i < total_elems; i++) {                              \
             vext_set_elem_mask(vd, i, 1);                           \
@@ -1735,9 +1744,9 @@ GEN_VEXT_VX(vmulhsu_vx_d, 8)
 /* Vector Integer Divide Instructions */
 #define DO_DIVU(N, M) (unlikely(M == 0) ? (__typeof(N))(-1) : N / M)
 #define DO_REMU(N, M) (unlikely(M == 0) ? N : N % M)
-#define DO_DIV(N, M)  (unlikely(M == 0) ? (__typeof(N))(-1) :\
+#define DO_DIV(N, M)  (unlikely(M == 0) ? (__typeof(N))(-1) : \
         unlikely((N == -N) && (M == (__typeof(N))(-1))) ? N : N / M)
-#define DO_REM(N, M)  (unlikely(M == 0) ? N :\
+#define DO_REM(N, M)  (unlikely(M == 0) ? N : \
         unlikely((N == -N) && (M == (__typeof(N))(-1))) ? 0 : N % M)
 
 RVVCALL(OPIVV2, vdivu_vv_b, OP_UUU_B, H1, H1, H1, DO_DIVU)
@@ -1846,7 +1855,7 @@ GEN_VEXT_VX(vwmulsu_vx_h, 4)
 GEN_VEXT_VX(vwmulsu_vx_w, 8)
 
 /* Vector Single-Width Integer Multiply-Add Instructions */
-#define OPIVV3(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP)   \
+#define OPIVV3(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP)       \
 static void do_##NAME(void *vd, void *vs1, void *vs2, int i)       \
 {                                                                  \
     TX1 s1 = *((T1 *)vs1 + HS1(i));                                \
@@ -2077,7 +2086,7 @@ GEN_VEXT_VMERGE_VX(vmerge_vxm_w, int32_t, H4)
 GEN_VEXT_VMERGE_VX(vmerge_vxm_d, int64_t, H8)
 
 /*
- *** Vector Fixed-Point Arithmetic Instructions
+ * Vector Fixed-Point Arithmetic Instructions
  */
 
 /* Vector Single-Width Saturating Add and Subtract */
@@ -2159,7 +2168,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2,     \
                  do_##NAME, ESZ);                               \
 }
 
-static inline uint8_t saddu8(CPURISCVState *env, int vxrm, uint8_t a, uint8_t b)
+static inline uint8_t saddu8(CPURISCVState *env, int vxrm, uint8_t a,
+                             uint8_t b)
 {
     uint8_t res = a + b;
     if (res < a) {
@@ -2277,7 +2287,8 @@ vext_vx_rm_2(void *vd, void *v0, target_long s1, void *vs2,
 /* generate helpers for fixed point instructions with OPIVX format */
 #define GEN_VEXT_VX_RM(NAME, ESZ)                         \
 void HELPER(NAME)(void *vd, void *v0, target_ulong s1,    \
-        void *vs2, CPURISCVState *env, uint32_t desc)     \
+                  void *vs2, CPURISCVState *env,          \
+                  uint32_t desc)                          \
 {                                                         \
     vext_vx_rm_2(vd, v0, s1, vs2, env, desc,              \
                  do_##NAME, ESZ);                         \
@@ -2302,7 +2313,8 @@ static inline int8_t sadd8(CPURISCVState *env, int vxrm, int8_t a, int8_t b)
     return res;
 }
 
-static inline int16_t sadd16(CPURISCVState *env, int vxrm, int16_t a, int16_t b)
+static inline int16_t sadd16(CPURISCVState *env, int vxrm, int16_t a,
+                             int16_t b)
 {
     int16_t res = a + b;
     if ((res ^ a) & (res ^ b) & INT16_MIN) {
@@ -2312,7 +2324,8 @@ static inline int16_t sadd16(CPURISCVState *env, int vxrm, int16_t a, int16_t b)
     return res;
 }
 
-static inline int32_t sadd32(CPURISCVState *env, int vxrm, int32_t a, int32_t b)
+static inline int32_t sadd32(CPURISCVState *env, int vxrm, int32_t a,
+                             int32_t b)
 {
     int32_t res = a + b;
     if ((res ^ a) & (res ^ b) & INT32_MIN) {
@@ -2322,7 +2335,8 @@ static inline int32_t sadd32(CPURISCVState *env, int vxrm, int32_t a, int32_t b)
     return res;
 }
 
-static inline int64_t sadd64(CPURISCVState *env, int vxrm, int64_t a, int64_t b)
+static inline int64_t sadd64(CPURISCVState *env, int vxrm, int64_t a,
+                             int64_t b)
 {
     int64_t res = a + b;
     if ((res ^ a) & (res ^ b) & INT64_MIN) {
@@ -2350,7 +2364,8 @@ GEN_VEXT_VX_RM(vsadd_vx_h, 2)
 GEN_VEXT_VX_RM(vsadd_vx_w, 4)
 GEN_VEXT_VX_RM(vsadd_vx_d, 8)
 
-static inline uint8_t ssubu8(CPURISCVState *env, int vxrm, uint8_t a, uint8_t b)
+static inline uint8_t ssubu8(CPURISCVState *env, int vxrm, uint8_t a,
+                             uint8_t b)
 {
     uint8_t res = a - b;
     if (res > a) {
@@ -2421,7 +2436,8 @@ static inline int8_t ssub8(CPURISCVState *env, int vxrm, int8_t a, int8_t b)
     return res;
 }
 
-static inline int16_t ssub16(CPURISCVState *env, int vxrm, int16_t a, int16_t b)
+static inline int16_t ssub16(CPURISCVState *env, int vxrm, int16_t a,
+                             int16_t b)
 {
     int16_t res = a - b;
     if ((res ^ a) & (a ^ b) & INT16_MIN) {
@@ -2431,7 +2447,8 @@ static inline int16_t ssub16(CPURISCVState *env, int vxrm, int16_t a, int16_t b)
     return res;
 }
 
-static inline int32_t ssub32(CPURISCVState *env, int vxrm, int32_t a, int32_t b)
+static inline int32_t ssub32(CPURISCVState *env, int vxrm, int32_t a,
+                             int32_t b)
 {
     int32_t res = a - b;
     if ((res ^ a) & (a ^ b) & INT32_MIN) {
@@ -2441,7 +2458,8 @@ static inline int32_t ssub32(CPURISCVState *env, int vxrm, int32_t a, int32_t b)
     return res;
 }
 
-static inline int64_t ssub64(CPURISCVState *env, int vxrm, int64_t a, int64_t b)
+static inline int64_t ssub64(CPURISCVState *env, int vxrm, int64_t a,
+                             int64_t b)
 {
     int64_t res = a - b;
     if ((res ^ a) & (a ^ b) & INT64_MIN) {
@@ -2497,7 +2515,8 @@ static inline uint8_t get_round(int vxrm, uint64_t v, uint8_t shift)
     return 0; /* round-down (truncate) */
 }
 
-static inline int32_t aadd32(CPURISCVState *env, int vxrm, int32_t a, int32_t b)
+static inline int32_t aadd32(CPURISCVState *env, int vxrm, int32_t a,
+                             int32_t b)
 {
     int64_t res = (int64_t)a + b;
     uint8_t round = get_round(vxrm, res, 1);
@@ -2505,7 +2524,8 @@ static inline int32_t aadd32(CPURISCVState *env, int vxrm, int32_t a, int32_t b)
     return (res >> 1) + round;
 }
 
-static inline int64_t aadd64(CPURISCVState *env, int vxrm, int64_t a, int64_t b)
+static inline int64_t aadd64(CPURISCVState *env, int vxrm, int64_t a,
+                             int64_t b)
 {
     int64_t res = a + b;
     uint8_t round = get_round(vxrm, res, 1);
@@ -2570,7 +2590,8 @@ GEN_VEXT_VX_RM(vaaddu_vx_h, 2)
 GEN_VEXT_VX_RM(vaaddu_vx_w, 4)
 GEN_VEXT_VX_RM(vaaddu_vx_d, 8)
 
-static inline int32_t asub32(CPURISCVState *env, int vxrm, int32_t a, int32_t b)
+static inline int32_t asub32(CPURISCVState *env, int vxrm, int32_t a,
+                             int32_t b)
 {
     int64_t res = (int64_t)a - b;
     uint8_t round = get_round(vxrm, res, 1);
@@ -2578,7 +2599,8 @@ static inline int32_t asub32(CPURISCVState *env, int vxrm, int32_t a, int32_t b)
     return (res >> 1) + round;
 }
 
-static inline int64_t asub64(CPURISCVState *env, int vxrm, int64_t a, int64_t b)
+static inline int64_t asub64(CPURISCVState *env, int vxrm, int64_t a,
+                             int64_t b)
 {
     int64_t res = (int64_t)a - b;
     uint8_t round = get_round(vxrm, res, 1);
@@ -2651,7 +2673,7 @@ static inline int8_t vsmul8(CPURISCVState *env, int vxrm, int8_t a, int8_t b)
 
     res = (int16_t)a * (int16_t)b;
     round = get_round(vxrm, res, 7);
-    res   = (res >> 7) + round;
+    res = (res >> 7) + round;
 
     if (res > INT8_MAX) {
         env->vxsat = 0x1;
@@ -2671,7 +2693,7 @@ static int16_t vsmul16(CPURISCVState *env, int vxrm, int16_t a, int16_t b)
 
     res = (int32_t)a * (int32_t)b;
     round = get_round(vxrm, res, 15);
-    res   = (res >> 15) + round;
+    res = (res >> 15) + round;
 
     if (res > INT16_MAX) {
         env->vxsat = 0x1;
@@ -2691,7 +2713,7 @@ static int32_t vsmul32(CPURISCVState *env, int vxrm, int32_t a, int32_t b)
 
     res = (int64_t)a * (int64_t)b;
     round = get_round(vxrm, res, 31);
-    res   = (res >> 31) + round;
+    res = (res >> 31) + round;
 
     if (res > INT32_MAX) {
         env->vxsat = 0x1;
@@ -2758,7 +2780,7 @@ vssrl8(CPURISCVState *env, int vxrm, uint8_t a, uint8_t b)
     uint8_t res;
 
     round = get_round(vxrm, a, shift);
-    res   = (a >> shift)  + round;
+    res = (a >> shift) + round;
     return res;
 }
 static inline uint16_t
@@ -2862,7 +2884,7 @@ vnclip8(CPURISCVState *env, int vxrm, int16_t a, int8_t b)
     int16_t res;
 
     round = get_round(vxrm, a, shift);
-    res   = (a >> shift)  + round;
+    res = (a >> shift) + round;
     if (res > INT8_MAX) {
         env->vxsat = 0x1;
         return INT8_MAX;
@@ -2881,7 +2903,7 @@ vnclip16(CPURISCVState *env, int vxrm, int32_t a, int16_t b)
     int32_t res;
 
     round = get_round(vxrm, a, shift);
-    res   = (a >> shift)  + round;
+    res = (a >> shift) + round;
     if (res > INT16_MAX) {
         env->vxsat = 0x1;
         return INT16_MAX;
@@ -2900,7 +2922,7 @@ vnclip32(CPURISCVState *env, int vxrm, int64_t a, int32_t b)
     int64_t res;
 
     round = get_round(vxrm, a, shift);
-    res   = (a >> shift)  + round;
+    res = (a >> shift) + round;
     if (res > INT32_MAX) {
         env->vxsat = 0x1;
         return INT32_MAX;
@@ -2933,7 +2955,7 @@ vnclipu8(CPURISCVState *env, int vxrm, uint16_t a, uint8_t b)
     uint16_t res;
 
     round = get_round(vxrm, a, shift);
-    res   = (a >> shift)  + round;
+    res = (a >> shift) + round;
     if (res > UINT8_MAX) {
         env->vxsat = 0x1;
         return UINT8_MAX;
@@ -2949,7 +2971,7 @@ vnclipu16(CPURISCVState *env, int vxrm, uint32_t a, uint16_t b)
     uint32_t res;
 
     round = get_round(vxrm, a, shift);
-    res   = (a >> shift)  + round;
+    res = (a >> shift) + round;
     if (res > UINT16_MAX) {
         env->vxsat = 0x1;
         return UINT16_MAX;
@@ -2965,7 +2987,7 @@ vnclipu32(CPURISCVState *env, int vxrm, uint64_t a, uint32_t b)
     uint64_t res;
 
     round = get_round(vxrm, a, shift);
-    res   = (a >> shift)  + round;
+    res = (a >> shift) + round;
     if (res > UINT32_MAX) {
         env->vxsat = 0x1;
         return UINT32_MAX;
@@ -2989,7 +3011,7 @@ GEN_VEXT_VX_RM(vnclipu_wx_h, 2)
 GEN_VEXT_VX_RM(vnclipu_wx_w, 4)
 
 /*
- *** Vector Float Point Arithmetic Instructions
+ * Vector Float Point Arithmetic Instructions
  */
 /* Vector Single-Width Floating-Point Add/Subtract Instructions */
 #define OPFVV2(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP)   \
@@ -3052,7 +3074,7 @@ void HELPER(NAME)(void *vd, void *v0, uint64_t s1,        \
     uint32_t vm = vext_vm(desc);                          \
     uint32_t vl = env->vl;                                \
     uint32_t total_elems =                                \
-        vext_get_total_elems(env, desc, ESZ);              \
+        vext_get_total_elems(env, desc, ESZ);             \
     uint32_t vta = vext_vta(desc);                        \
     uint32_t vma = vext_vma(desc);                        \
     uint32_t i;                                           \
@@ -3118,13 +3140,13 @@ GEN_VEXT_VF(vfrsub_vf_d, 8)
 static uint32_t vfwadd16(uint16_t a, uint16_t b, float_status *s)
 {
     return float32_add(float16_to_float32(a, true, s),
-            float16_to_float32(b, true, s), s);
+                       float16_to_float32(b, true, s), s);
 }
 
 static uint64_t vfwadd32(uint32_t a, uint32_t b, float_status *s)
 {
     return float64_add(float32_to_float64(a, s),
-            float32_to_float64(b, s), s);
+                       float32_to_float64(b, s), s);
 
 }
 
@@ -3140,13 +3162,13 @@ GEN_VEXT_VF(vfwadd_vf_w, 8)
 static uint32_t vfwsub16(uint16_t a, uint16_t b, float_status *s)
 {
     return float32_sub(float16_to_float32(a, true, s),
-            float16_to_float32(b, true, s), s);
+                       float16_to_float32(b, true, s), s);
 }
 
 static uint64_t vfwsub32(uint32_t a, uint32_t b, float_status *s)
 {
     return float64_sub(float32_to_float64(a, s),
-            float32_to_float64(b, s), s);
+                       float32_to_float64(b, s), s);
 
 }
 
@@ -3250,13 +3272,13 @@ GEN_VEXT_VF(vfrdiv_vf_d, 8)
 static uint32_t vfwmul16(uint16_t a, uint16_t b, float_status *s)
 {
     return float32_mul(float16_to_float32(a, true, s),
-            float16_to_float32(b, true, s), s);
+                       float16_to_float32(b, true, s), s);
 }
 
 static uint64_t vfwmul32(uint32_t a, uint32_t b, float_status *s)
 {
     return float64_mul(float32_to_float64(a, s),
-            float32_to_float64(b, s), s);
+                       float32_to_float64(b, s), s);
 
 }
 RVVCALL(OPFVV2, vfwmul_vv_h, WOP_UUU_H, H4, H2, H2, vfwmul16)
@@ -3271,7 +3293,7 @@ GEN_VEXT_VF(vfwmul_vf_w, 8)
 /* Vector Single-Width Floating-Point Fused Multiply-Add Instructions */
 #define OPFVV3(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP)       \
 static void do_##NAME(void *vd, void *vs1, void *vs2, int i,       \
-        CPURISCVState *env)                                        \
+                      CPURISCVState *env)                          \
 {                                                                  \
     TX1 s1 = *((T1 *)vs1 + HS1(i));                                \
     TX2 s2 = *((T2 *)vs2 + HS2(i));                                \
@@ -3303,7 +3325,7 @@ GEN_VEXT_VV_ENV(vfmacc_vv_d, 8)
 
 #define OPFVF3(NAME, TD, T1, T2, TX1, TX2, HD, HS2, OP)           \
 static void do_##NAME(void *vd, uint64_t s1, void *vs2, int i,    \
-        CPURISCVState *env)                                       \
+                      CPURISCVState *env)                         \
 {                                                                 \
     TX2 s2 = *((T2 *)vs2 + HS2(i));                               \
     TD d = *((TD *)vd + HD(i));                                   \
@@ -3319,20 +3341,20 @@ GEN_VEXT_VF(vfmacc_vf_d, 8)
 
 static uint16_t fnmacc16(uint16_t a, uint16_t b, uint16_t d, float_status *s)
 {
-    return float16_muladd(a, b, d,
-            float_muladd_negate_c | float_muladd_negate_product, s);
+    return float16_muladd(a, b, d, float_muladd_negate_c |
+                                   float_muladd_negate_product, s);
 }
 
 static uint32_t fnmacc32(uint32_t a, uint32_t b, uint32_t d, float_status *s)
 {
-    return float32_muladd(a, b, d,
-            float_muladd_negate_c | float_muladd_negate_product, s);
+    return float32_muladd(a, b, d, float_muladd_negate_c |
+                                   float_muladd_negate_product, s);
 }
 
 static uint64_t fnmacc64(uint64_t a, uint64_t b, uint64_t d, float_status *s)
 {
-    return float64_muladd(a, b, d,
-            float_muladd_negate_c | float_muladd_negate_product, s);
+    return float64_muladd(a, b, d, float_muladd_negate_c |
+                                   float_muladd_negate_product, s);
 }
 
 RVVCALL(OPFVV3, vfnmacc_vv_h, OP_UUU_H, H2, H2, H2, fnmacc16)
@@ -3434,20 +3456,20 @@ GEN_VEXT_VF(vfmadd_vf_d, 8)
 
 static uint16_t fnmadd16(uint16_t a, uint16_t b, uint16_t d, float_status *s)
 {
-    return float16_muladd(d, b, a,
-            float_muladd_negate_c | float_muladd_negate_product, s);
+    return float16_muladd(d, b, a, float_muladd_negate_c |
+                                   float_muladd_negate_product, s);
 }
 
 static uint32_t fnmadd32(uint32_t a, uint32_t b, uint32_t d, float_status *s)
 {
-    return float32_muladd(d, b, a,
-            float_muladd_negate_c | float_muladd_negate_product, s);
+    return float32_muladd(d, b, a, float_muladd_negate_c |
+                                   float_muladd_negate_product, s);
 }
 
 static uint64_t fnmadd64(uint64_t a, uint64_t b, uint64_t d, float_status *s)
 {
-    return float64_muladd(d, b, a,
-            float_muladd_negate_c | float_muladd_negate_product, s);
+    return float64_muladd(d, b, a, float_muladd_negate_c |
+                                   float_muladd_negate_product, s);
 }
 
 RVVCALL(OPFVV3, vfnmadd_vv_h, OP_UUU_H, H2, H2, H2, fnmadd16)
@@ -3523,13 +3545,13 @@ GEN_VEXT_VF(vfnmsub_vf_d, 8)
 static uint32_t fwmacc16(uint16_t a, uint16_t b, uint32_t d, float_status *s)
 {
     return float32_muladd(float16_to_float32(a, true, s),
-                        float16_to_float32(b, true, s), d, 0, s);
+                          float16_to_float32(b, true, s), d, 0, s);
 }
 
 static uint64_t fwmacc32(uint32_t a, uint32_t b, uint64_t d, float_status *s)
 {
     return float64_muladd(float32_to_float64(a, s),
-                        float32_to_float64(b, s), d, 0, s);
+                          float32_to_float64(b, s), d, 0, s);
 }
 
 RVVCALL(OPFVV3, vfwmacc_vv_h, WOP_UUU_H, H4, H2, H2, fwmacc16)
@@ -3544,15 +3566,16 @@ GEN_VEXT_VF(vfwmacc_vf_w, 8)
 static uint32_t fwnmacc16(uint16_t a, uint16_t b, uint32_t d, float_status *s)
 {
     return float32_muladd(float16_to_float32(a, true, s),
-                        float16_to_float32(b, true, s), d,
-                        float_muladd_negate_c | float_muladd_negate_product, s);
+                          float16_to_float32(b, true, s), d,
+                          float_muladd_negate_c | float_muladd_negate_product,
+                          s);
 }
 
 static uint64_t fwnmacc32(uint32_t a, uint32_t b, uint64_t d, float_status *s)
 {
-    return float64_muladd(float32_to_float64(a, s),
-                        float32_to_float64(b, s), d,
-                        float_muladd_negate_c | float_muladd_negate_product, s);
+    return float64_muladd(float32_to_float64(a, s), float32_to_float64(b, s),
+                          d, float_muladd_negate_c |
+                             float_muladd_negate_product, s);
 }
 
 RVVCALL(OPFVV3, vfwnmacc_vv_h, WOP_UUU_H, H4, H2, H2, fwnmacc16)
@@ -3567,15 +3590,15 @@ GEN_VEXT_VF(vfwnmacc_vf_w, 8)
 static uint32_t fwmsac16(uint16_t a, uint16_t b, uint32_t d, float_status *s)
 {
     return float32_muladd(float16_to_float32(a, true, s),
-                        float16_to_float32(b, true, s), d,
-                        float_muladd_negate_c, s);
+                          float16_to_float32(b, true, s), d,
+                          float_muladd_negate_c, s);
 }
 
 static uint64_t fwmsac32(uint32_t a, uint32_t b, uint64_t d, float_status *s)
 {
     return float64_muladd(float32_to_float64(a, s),
-                        float32_to_float64(b, s), d,
-                        float_muladd_negate_c, s);
+                          float32_to_float64(b, s), d,
+                          float_muladd_negate_c, s);
 }
 
 RVVCALL(OPFVV3, vfwmsac_vv_h, WOP_UUU_H, H4, H2, H2, fwmsac16)
@@ -3590,15 +3613,15 @@ GEN_VEXT_VF(vfwmsac_vf_w, 8)
 static uint32_t fwnmsac16(uint16_t a, uint16_t b, uint32_t d, float_status *s)
 {
     return float32_muladd(float16_to_float32(a, true, s),
-                        float16_to_float32(b, true, s), d,
-                        float_muladd_negate_product, s);
+                          float16_to_float32(b, true, s), d,
+                          float_muladd_negate_product, s);
 }
 
 static uint64_t fwnmsac32(uint32_t a, uint32_t b, uint64_t d, float_status *s)
 {
     return float64_muladd(float32_to_float64(a, s),
-                        float32_to_float64(b, s), d,
-                        float_muladd_negate_product, s);
+                          float32_to_float64(b, s), d,
+                          float_muladd_negate_product, s);
 }
 
 RVVCALL(OPFVV3, vfwnmsac_vv_h, WOP_UUU_H, H4, H2, H2, fwnmsac16)
@@ -3616,9 +3639,9 @@ GEN_VEXT_VF(vfwnmsac_vf_w, 8)
 #define OP_UU_W uint32_t, uint32_t, uint32_t
 #define OP_UU_D uint64_t, uint64_t, uint64_t
 
-#define OPFVV1(NAME, TD, T2, TX2, HD, HS2, OP)        \
+#define OPFVV1(NAME, TD, T2, TX2, HD, HS2, OP)         \
 static void do_##NAME(void *vd, void *vs2, int i,      \
-        CPURISCVState *env)                            \
+                      CPURISCVState *env)              \
 {                                                      \
     TX2 s2 = *((T2 *)vs2 + HS2(i));                    \
     *((TD *)vd + HD(i)) = OP(s2, &env->fp_status);     \
@@ -3626,7 +3649,7 @@ static void do_##NAME(void *vd, void *vs2, int i,      \
 
 #define GEN_VEXT_V_ENV(NAME, ESZ)                      \
 void HELPER(NAME)(void *vd, void *v0, void *vs2,       \
-        CPURISCVState *env, uint32_t desc)             \
+                  CPURISCVState *env, uint32_t desc)   \
 {                                                      \
     uint32_t vm = vext_vm(desc);                       \
     uint32_t vl = env->vl;                             \
@@ -3703,9 +3726,9 @@ static uint64_t frsqrt7(uint64_t f, int exp_size, int frac_size)
     }
 
     int idx = ((exp & 1) << (precision - 1)) |
-                (frac >> (frac_size - precision + 1));
+              (frac >> (frac_size - precision + 1));
     uint64_t out_frac = (uint64_t)(lookup_table[idx]) <<
-                            (frac_size - precision);
+                        (frac_size - precision);
     uint64_t out_exp = (3 * MAKE_64BIT_MASK(0, exp_size - 1) + ~exp) / 2;
 
     uint64_t val = 0;
@@ -3727,9 +3750,9 @@ static float16 frsqrt7_h(float16 f, float_status *s)
      * frsqrt7(-subnormal) = canonical NaN
      */
     if (float16_is_signaling_nan(f, s) ||
-            (float16_is_infinity(f) && sign) ||
-            (float16_is_normal(f) && sign) ||
-            (float16_is_zero_or_denormal(f) && !float16_is_zero(f) && sign)) {
+        (float16_is_infinity(f) && sign) ||
+        (float16_is_normal(f) && sign) ||
+        (float16_is_zero_or_denormal(f) && !float16_is_zero(f) && sign)) {
         s->float_exception_flags |= float_flag_invalid;
         return float16_default_nan(s);
     }
@@ -3767,9 +3790,9 @@ static float32 frsqrt7_s(float32 f, float_status *s)
      * frsqrt7(-subnormal) = canonical NaN
      */
     if (float32_is_signaling_nan(f, s) ||
-            (float32_is_infinity(f) && sign) ||
-            (float32_is_normal(f) && sign) ||
-            (float32_is_zero_or_denormal(f) && !float32_is_zero(f) && sign)) {
+        (float32_is_infinity(f) && sign) ||
+        (float32_is_normal(f) && sign) ||
+        (float32_is_zero_or_denormal(f) && !float32_is_zero(f) && sign)) {
         s->float_exception_flags |= float_flag_invalid;
         return float32_default_nan(s);
     }
@@ -3807,9 +3830,9 @@ static float64 frsqrt7_d(float64 f, float_status *s)
      * frsqrt7(-subnormal) = canonical NaN
      */
     if (float64_is_signaling_nan(f, s) ||
-            (float64_is_infinity(f) && sign) ||
-            (float64_is_normal(f) && sign) ||
-            (float64_is_zero_or_denormal(f) && !float64_is_zero(f) && sign)) {
+        (float64_is_infinity(f) && sign) ||
+        (float64_is_normal(f) && sign) ||
+        (float64_is_zero_or_denormal(f) && !float64_is_zero(f) && sign)) {
         s->float_exception_flags |= float_flag_invalid;
         return float64_default_nan(s);
     }
@@ -3897,18 +3920,18 @@ static uint64_t frec7(uint64_t f, int exp_size, int frac_size,
                 ((s->float_rounding_mode == float_round_up) && sign)) {
                 /* Return greatest/negative finite value. */
                 return (sign << (exp_size + frac_size)) |
-                    (MAKE_64BIT_MASK(frac_size, exp_size) - 1);
+                       (MAKE_64BIT_MASK(frac_size, exp_size) - 1);
             } else {
                 /* Return +-inf. */
                 return (sign << (exp_size + frac_size)) |
-                    MAKE_64BIT_MASK(frac_size, exp_size);
+                       MAKE_64BIT_MASK(frac_size, exp_size);
             }
         }
     }
 
     int idx = frac >> (frac_size - precision);
     uint64_t out_frac = (uint64_t)(lookup_table[idx]) <<
-                            (frac_size - precision);
+                        (frac_size - precision);
     uint64_t out_exp = 2 * MAKE_64BIT_MASK(0, exp_size - 1) + ~exp;
 
     if (out_exp == 0 || out_exp == UINT64_MAX) {
@@ -4171,8 +4194,10 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2,   \
                            DO_OP(s2, s1, &env->fp_status));   \
     }                                                         \
     env->vstart = 0;                                          \
-    /* mask destination register are always tail-agnostic */  \
-    /* set tail elements to 1s */                             \
+    /*
+     * mask destination register are always tail-agnostic
+     * set tail elements to 1s
+     */                                                       \
     if (vta_all_1s) {                                         \
         for (; i < total_elems; i++) {                        \
             vext_set_elem_mask(vd, i, 1);                     \
@@ -4208,8 +4233,10 @@ void HELPER(NAME)(void *vd, void *v0, uint64_t s1, void *vs2,       \
                            DO_OP(s2, (ETYPE)s1, &env->fp_status));  \
     }                                                               \
     env->vstart = 0;                                                \
-    /* mask destination register are always tail-agnostic */        \
-    /* set tail elements to 1s */                                   \
+    /*
+     * mask destination register are always tail-agnostic
+     * set tail elements to 1s
+     */                                                             \
     if (vta_all_1s) {                                               \
         for (; i < total_elems; i++) {                              \
             vext_set_elem_mask(vd, i, 1);                           \
@@ -4422,8 +4449,8 @@ void HELPER(NAME)(void *vd, void *v0, uint64_t s1, void *vs2, \
                                                               \
     for (i = env->vstart; i < vl; i++) {                      \
         ETYPE s2 = *((ETYPE *)vs2 + H(i));                    \
-        *((ETYPE *)vd + H(i))                                 \
-          = (!vm && !vext_elem_mask(v0, i) ? s2 : s1);        \
+        *((ETYPE *)vd + H(i)) =                               \
+            (!vm && !vext_elem_mask(v0, i) ? s2 : s1);        \
     }                                                         \
     env->vstart = 0;                                          \
     /* set tail elements to 1s */                             \
@@ -4472,7 +4499,9 @@ GEN_VEXT_V_ENV(vfcvt_f_x_v_d, 8)
 #define WOP_UU_B uint16_t, uint8_t,  uint8_t
 #define WOP_UU_H uint32_t, uint16_t, uint16_t
 #define WOP_UU_W uint64_t, uint32_t, uint32_t
-/* vfwcvt.xu.f.v vd, vs2, vm # Convert float to double-width unsigned integer.*/
+/*
+ * vfwcvt.xu.f.v vd, vs2, vm # Convert float to double-width unsigned integer.
+ */
 RVVCALL(OPFVV1, vfwcvt_xu_f_v_h, WOP_UU_H, H4, H2, float16_to_uint32)
 RVVCALL(OPFVV1, vfwcvt_xu_f_v_w, WOP_UU_W, H8, H4, float32_to_uint64)
 GEN_VEXT_V_ENV(vfwcvt_xu_f_v_h, 4)
@@ -4484,7 +4513,9 @@ RVVCALL(OPFVV1, vfwcvt_x_f_v_w, WOP_UU_W, H8, H4, float32_to_int64)
 GEN_VEXT_V_ENV(vfwcvt_x_f_v_h, 4)
 GEN_VEXT_V_ENV(vfwcvt_x_f_v_w, 8)
 
-/* vfwcvt.f.xu.v vd, vs2, vm # Convert unsigned integer to double-width float */
+/*
+ * vfwcvt.f.xu.v vd, vs2, vm # Convert unsigned integer to double-width float.
+ */
 RVVCALL(OPFVV1, vfwcvt_f_xu_v_b, WOP_UU_B, H2, H1, uint8_to_float16)
 RVVCALL(OPFVV1, vfwcvt_f_xu_v_h, WOP_UU_H, H4, H2, uint16_to_float32)
 RVVCALL(OPFVV1, vfwcvt_f_xu_v_w, WOP_UU_W, H8, H4, uint32_to_float64)
@@ -4501,8 +4532,7 @@ GEN_VEXT_V_ENV(vfwcvt_f_x_v_h, 4)
 GEN_VEXT_V_ENV(vfwcvt_f_x_v_w, 8)
 
 /*
- * vfwcvt.f.f.v vd, vs2, vm
- * Convert single-width float to double-width float.
+ * vfwcvt.f.f.v vd, vs2, vm # Convert single-width float to double-width float.
  */
 static uint32_t vfwcvtffv16(uint16_t a, float_status *s)
 {
@@ -4535,7 +4565,9 @@ GEN_VEXT_V_ENV(vfncvt_x_f_w_b, 1)
 GEN_VEXT_V_ENV(vfncvt_x_f_w_h, 2)
 GEN_VEXT_V_ENV(vfncvt_x_f_w_w, 4)
 
-/* vfncvt.f.xu.v vd, vs2, vm # Convert double-width unsigned integer to float */
+/*
+ * vfncvt.f.xu.v vd, vs2, vm # Convert double-width unsigned integer to float.
+ */
 RVVCALL(OPFVV1, vfncvt_f_xu_w_h, NOP_UU_H, H2, H4, uint32_to_float16)
 RVVCALL(OPFVV1, vfncvt_f_xu_w_w, NOP_UU_W, H4, H8, uint64_to_float32)
 GEN_VEXT_V_ENV(vfncvt_f_xu_w_h, 2)
@@ -4559,12 +4591,13 @@ GEN_VEXT_V_ENV(vfncvt_f_f_w_h, 2)
 GEN_VEXT_V_ENV(vfncvt_f_f_w_w, 4)
 
 /*
- *** Vector Reduction Operations
+ * Vector Reduction Operations
  */
 /* Vector Single-Width Integer Reduction Instructions */
 #define GEN_VEXT_RED(NAME, TD, TS2, HD, HS2, OP)          \
 void HELPER(NAME)(void *vd, void *v0, void *vs1,          \
-        void *vs2, CPURISCVState *env, uint32_t desc)     \
+                  void *vs2, CPURISCVState *env,          \
+                  uint32_t desc)                          \
 {                                                         \
     uint32_t vm = vext_vm(desc);                          \
     uint32_t vl = env->vl;                                \
@@ -4684,14 +4717,20 @@ GEN_VEXT_FRED(vfredosum_vs_w, uint32_t, uint32_t, H4, H4, float32_add)
 GEN_VEXT_FRED(vfredosum_vs_d, uint64_t, uint64_t, H8, H8, float64_add)
 
 /* Maximum value */
-GEN_VEXT_FRED(vfredmax_vs_h, uint16_t, uint16_t, H2, H2, float16_maximum_number)
-GEN_VEXT_FRED(vfredmax_vs_w, uint32_t, uint32_t, H4, H4, float32_maximum_number)
-GEN_VEXT_FRED(vfredmax_vs_d, uint64_t, uint64_t, H8, H8, float64_maximum_number)
+GEN_VEXT_FRED(vfredmax_vs_h, uint16_t, uint16_t, H2, H2,
+              float16_maximum_number)
+GEN_VEXT_FRED(vfredmax_vs_w, uint32_t, uint32_t, H4, H4,
+              float32_maximum_number)
+GEN_VEXT_FRED(vfredmax_vs_d, uint64_t, uint64_t, H8, H8,
+              float64_maximum_number)
 
 /* Minimum value */
-GEN_VEXT_FRED(vfredmin_vs_h, uint16_t, uint16_t, H2, H2, float16_minimum_number)
-GEN_VEXT_FRED(vfredmin_vs_w, uint32_t, uint32_t, H4, H4, float32_minimum_number)
-GEN_VEXT_FRED(vfredmin_vs_d, uint64_t, uint64_t, H8, H8, float64_minimum_number)
+GEN_VEXT_FRED(vfredmin_vs_h, uint16_t, uint16_t, H2, H2,
+              float16_minimum_number)
+GEN_VEXT_FRED(vfredmin_vs_w, uint32_t, uint32_t, H4, H4,
+              float32_minimum_number)
+GEN_VEXT_FRED(vfredmin_vs_d, uint64_t, uint64_t, H8, H8,
+              float64_minimum_number)
 
 /* Vector Widening Floating-Point Add Instructions */
 static uint32_t fwadd16(uint32_t a, uint16_t b, float_status *s)
@@ -4712,7 +4751,7 @@ GEN_VEXT_FRED(vfwredosum_vs_h, uint32_t, uint16_t, H4, H2, fwadd16)
 GEN_VEXT_FRED(vfwredosum_vs_w, uint64_t, uint32_t, H8, H4, fwadd32)
 
 /*
- *** Vector Mask Operations
+ * Vector Mask Operations
  */
 /* Vector Mask-Register Logical Instructions */
 #define GEN_VEXT_MASK_VV(NAME, OP)                        \
@@ -4732,10 +4771,10 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1,          \
         vext_set_elem_mask(vd, i, OP(b, a));              \
     }                                                     \
     env->vstart = 0;                                      \
-    /* mask destination register are always tail-         \
-     * agnostic                                           \
+    /*
+     * mask destination register are always tail-agnostic
+     * set tail elements to 1s
      */                                                   \
-    /* set tail elements to 1s */                         \
     if (vta_all_1s) {                                     \
         for (; i < total_elems; i++) {                    \
             vext_set_elem_mask(vd, i, 1);                 \
@@ -4778,7 +4817,7 @@ target_ulong HELPER(vcpop_m)(void *v0, void *vs2, CPURISCVState *env,
     return cnt;
 }
 
-/* vfirst find-first-set mask bit*/
+/* vfirst find-first-set mask bit */
 target_ulong HELPER(vfirst_m)(void *v0, void *vs2, CPURISCVState *env,
                               uint32_t desc)
 {
@@ -4843,8 +4882,10 @@ static void vmsetm(void *vd, void *v0, void *vs2, CPURISCVState *env,
         }
     }
     env->vstart = 0;
-    /* mask destination register are always tail-agnostic */
-    /* set tail elements to 1s */
+    /*
+     * mask destination register are always tail-agnostic
+     * set tail elements to 1s
+     */
     if (vta_all_1s) {
         for (; i < total_elems; i++) {
             vext_set_elem_mask(vd, i, 1);
@@ -4936,7 +4977,7 @@ GEN_VEXT_VID_V(vid_v_w, uint32_t, H4)
 GEN_VEXT_VID_V(vid_v_d, uint64_t, H8)
 
 /*
- *** Vector Permutation Instructions
+ * Vector Permutation Instructions
  */
 
 /* Vector Slide Instructions */
@@ -5013,7 +5054,8 @@ GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_d, uint64_t, H8)
 
 #define GEN_VEXT_VSLIE1UP(BITWIDTH, H)                                      \
 static void vslide1up_##BITWIDTH(void *vd, void *v0, uint64_t s1,           \
-                     void *vs2, CPURISCVState *env, uint32_t desc)          \
+                                 void *vs2, CPURISCVState *env,             \
+                                 uint32_t desc)                             \
 {                                                                           \
     typedef uint##BITWIDTH##_t ETYPE;                                       \
     uint32_t vm = vext_vm(desc);                                            \
@@ -5061,7 +5103,8 @@ GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_d, 64)
 
 #define GEN_VEXT_VSLIDE1DOWN(BITWIDTH, H)                                     \
 static void vslide1down_##BITWIDTH(void *vd, void *v0, uint64_t s1,           \
-                       void *vs2, CPURISCVState *env, uint32_t desc)          \
+                                   void *vs2, CPURISCVState *env,             \
+                                   uint32_t desc)                             \
 {                                                                             \
     typedef uint##BITWIDTH##_t ETYPE;                                         \
     uint32_t vm = vext_vm(desc);                                              \

target/riscv/zce_helper.c

@@ -0,0 +1,55 @@
+/*
+ * RISC-V Zcmt Extension Helper for QEMU.
+ *
+ * Copyright (c) 2021-2022 PLCT Lab
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "exec/exec-all.h"
+#include "exec/helper-proto.h"
+#include "exec/cpu_ldst.h"
+
+target_ulong HELPER(cm_jalt)(CPURISCVState *env, uint32_t index)
+{
+
+#if !defined(CONFIG_USER_ONLY)
+    RISCVException ret = smstateen_acc_ok(env, 0, SMSTATEEN0_JVT);
+    if (ret != RISCV_EXCP_NONE) {
+        riscv_raise_exception(env, ret, 0);
+    }
+#endif
+
+    target_ulong target;
+    target_ulong val = env->jvt;
+    int xlen = riscv_cpu_xlen(env);
+    uint8_t mode = get_field(val, JVT_MODE);
+    target_ulong base = val & JVT_BASE;
+    target_ulong t0;
+
+    if (mode != 0) {
+        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, 0);
+    }
+
+    if (xlen == 32) {
+        t0 = base + (index << 2);
+        target = cpu_ldl_code(env, t0);
+    } else {
+        t0 = base + (index << 3);
+        target = cpu_ldq_code(env, t0);
+    }
+
+    return target & ~0x1;
+}