target/ppc: Add Power11 DD2.0 processor

Add CPU target code to add support for new Power11 Processor.

Power11 core is same as Power10, hence reuse functions defined for
Power10.

Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
Tested-by: Amit Machhiwal <amachhiw@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

target/ppc/compat.c

@@ -100,6 +100,13 @@ static const CompatInfo compat_table[] = {
         .pcr_level = PCR_COMPAT_3_10,
         .max_vthreads = 8,
     },
+    { /* POWER11, ISA3.10 */
+        .name = "power11",
+        .pvr = CPU_POWERPC_LOGICAL_3_10_P11,
+        .pcr = PCR_COMPAT_3_10,
+        .pcr_level = PCR_COMPAT_3_10,
+        .max_vthreads = 8,
+    },
 };
 
 static const CompatInfo *compat_by_pvr(uint32_t pvr)

target/ppc/cpu-models.c

@@ -734,6 +734,8 @@
                 "POWER9 v2.2")
     POWERPC_DEF("power10_v2.0",  CPU_POWERPC_POWER10_DD20,           POWER10,
                 "POWER10 v2.0")
+    POWERPC_DEF("power11_v2.0",  CPU_POWERPC_POWER11_DD20,           POWER11,
+                "POWER11_v2.0")
 #endif /* defined (TARGET_PPC64) */
 
 /***************************************************************************/
@@ -909,6 +911,7 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {
     { "power8nvl", "power8nvl_v1.0" },
     { "power9", "power9_v2.2" },
     { "power10", "power10_v2.0" },
+    { "power11", "power11_v2.0" },
 #endif
 
     /* Generic PowerPCs */

target/ppc/cpu-models.h

@@ -354,6 +354,8 @@ enum {
     CPU_POWERPC_POWER10_BASE       = 0x00800000,
     CPU_POWERPC_POWER10_DD1        = 0x00801100,
     CPU_POWERPC_POWER10_DD20       = 0x00801200,
+    CPU_POWERPC_POWER11_BASE       = 0x00820000,
+    CPU_POWERPC_POWER11_DD20       = 0x00821200,
     CPU_POWERPC_970_v22            = 0x00390202,
     CPU_POWERPC_970FX_v10          = 0x00391100,
     CPU_POWERPC_970FX_v20          = 0x003C0200,
@@ -391,6 +393,7 @@ enum {
     CPU_POWERPC_LOGICAL_2_07       = 0x0F000004,
     CPU_POWERPC_LOGICAL_3_00       = 0x0F000005,
     CPU_POWERPC_LOGICAL_3_10       = 0x0F000006,
+    CPU_POWERPC_LOGICAL_3_10_P11   = 0x0F000007,
 };
 
 /* System version register (used on MPC 8xxx)                                */

target/ppc/cpu.h

@@ -216,6 +216,8 @@ typedef enum powerpc_excp_t {
     POWERPC_EXCP_POWER9,
     /* POWER10 exception model           */
     POWERPC_EXCP_POWER10,
+    /* POWER11 exception model           */
+    POWERPC_EXCP_POWER11,
 } powerpc_excp_t;
 
 /*****************************************************************************/

target/ppc/cpu_init.c

@@ -6675,6 +6675,66 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data)
     pcc->l1_icache_size = 0x8000;
 }
 
+static void init_proc_POWER11(CPUPPCState *env)
+{
+    init_proc_POWER10(env);
+}
+
+static bool ppc_pvr_match_power11(PowerPCCPUClass *pcc, uint32_t pvr, bool best)
+{
+    uint32_t base = pvr & CPU_POWERPC_POWER_SERVER_MASK;
+    uint32_t pcc_base = pcc->pvr & CPU_POWERPC_POWER_SERVER_MASK;
+
+    if (!best && (base == CPU_POWERPC_POWER11_BASE)) {
+        return true;
+    }
+
+    if (base != pcc_base) {
+        return false;
+    }
+
+    if ((pvr & 0x0f00) == (pcc->pvr & 0x0f00)) {
+        return true;
+    }
+
+    return false;
+}
+
+POWERPC_FAMILY(POWER11)(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+    PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
+
+    dc->fw_name = "PowerPC,POWER11";
+    dc->desc = "POWER11";
+    pcc->spapr_logical_pvr = CPU_POWERPC_LOGICAL_3_10_P11;
+    pcc->pvr_match = ppc_pvr_match_power11;
+    pcc->pcr_mask = PPC_PCR_MASK_POWER11;
+    pcc->pcr_supported = PPC_PCR_SUPPORTED_POWER11;
+    pcc->init_proc = init_proc_POWER11;
+    pcc->check_pow = check_pow_nocheck;
+    pcc->check_attn = check_attn_hid0_power9;
+    pcc->insns_flags = PPC_INSNS_FLAGS_POWER11;
+    pcc->insns_flags2 = PPC_INSNS_FLAGS2_POWER11;
+    pcc->msr_mask = PPC_MSR_MASK_POWER11;
+    pcc->lpcr_mask = PPC_LPCR_MASK_POWER11;
+
+    pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE;
+    pcc->mmu_model = POWERPC_MMU_3_00;
+#if !defined(CONFIG_USER_ONLY)
+    /* segment page size remain the same */
+    pcc->hash64_opts = &ppc_hash64_opts_POWER7;
+    pcc->radix_page_info = &POWER10_radix_page_info;
+    pcc->lrg_decr_bits = 56;
+#endif
+    pcc->excp_model = POWERPC_EXCP_POWER11;
+    pcc->bus_model = PPC_FLAGS_INPUT_POWER9;
+    pcc->bfd_mach = bfd_mach_ppc64;
+    pcc->flags = POWERPC_FLAGS_POWER11;
+    pcc->l1_dcache_size = 0x8000;
+    pcc->l1_icache_size = 0x8000;
+}
+
 #if !defined(CONFIG_USER_ONLY)
 void cpu_ppc_set_vhyp(PowerPCCPU *cpu, PPCVirtualHypervisor *vhyp)
 {

target/ppc/cpu_init.h

@@ -12,6 +12,7 @@
      PPC_CILDST)
 
 #define PPC_INSNS_FLAGS_POWER10 PPC_INSNS_FLAGS_POWER9
+#define PPC_INSNS_FLAGS_POWER11 PPC_INSNS_FLAGS_POWER10
 
 #define PPC_INSNS_FLAGS2_POWER_COMMON                                \
     (PPC2_VSX | PPC2_VSX207 | PPC2_DFP | PPC2_DBRX |                 \
@@ -25,6 +26,7 @@
     (PPC_INSNS_FLAGS2_POWER_COMMON | PPC2_TM)
 #define PPC_INSNS_FLAGS2_POWER10                                     \
     (PPC_INSNS_FLAGS2_POWER_COMMON | PPC2_ISA310)
+#define PPC_INSNS_FLAGS2_POWER11 PPC_INSNS_FLAGS2_POWER10
 
 #define PPC_MSR_MASK_POWER_COMMON           \
     ((1ull << MSR_SF) |                     \
@@ -49,16 +51,19 @@
     (PPC_MSR_MASK_POWER_COMMON | (1ull << MSR_TM))
 #define PPC_MSR_MASK_POWER10        \
     PPC_MSR_MASK_POWER_COMMON
+#define PPC_MSR_MASK_POWER11 PPC_MSR_MASK_POWER10
 
 #define PPC_PCR_MASK_POWER9         \
     (PCR_COMPAT_2_05 | PCR_COMPAT_2_06 | PCR_COMPAT_2_07)
 #define PPC_PCR_MASK_POWER10        \
     (PPC_PCR_MASK_POWER9 | PCR_COMPAT_3_00)
+#define PPC_PCR_MASK_POWER11 PPC_PCR_MASK_POWER10
 
 #define PPC_PCR_SUPPORTED_POWER9    \
     (PCR_COMPAT_3_00 | PCR_COMPAT_2_07 | PCR_COMPAT_2_06 | PCR_COMPAT_2_05)
 #define PPC_PCR_SUPPORTED_POWER10   \
     (PPC_PCR_SUPPORTED_POWER9 | PCR_COMPAT_3_10)
+#define PPC_PCR_SUPPORTED_POWER11 PPC_PCR_SUPPORTED_POWER10
 
 #define PPC_LPCR_MASK_POWER9                                                 \
     (LPCR_VPM1 | LPCR_ISL | LPCR_KBV | LPCR_DPFD |                           \
@@ -70,6 +75,7 @@
 /* DD2 adds an extra HAIL bit */
 #define PPC_LPCR_MASK_POWER10   \
     (PPC_LPCR_MASK_POWER9 | LPCR_HAIL)
+#define PPC_LPCR_MASK_POWER11 PPC_LPCR_MASK_POWER10
 
 #define POWERPC_FLAGS_POWER_COMMON                                       \
     (POWERPC_FLAG_VRE | POWERPC_FLAG_SE | POWERPC_FLAG_BE |              \
@@ -80,5 +86,6 @@
     (POWERPC_FLAGS_POWER_COMMON | POWERPC_FLAG_TM)
 #define POWERPC_FLAGS_POWER10 \
     (POWERPC_FLAGS_POWER_COMMON | POWERPC_FLAG_BHRB)
+#define POWERPC_FLAGS_POWER11 POWERPC_FLAGS_POWER10
 
 #endif /* TARGET_PPC_CPU_INIT_H */

target/ppc/excp_helper.c

@@ -1661,6 +1661,7 @@ static void powerpc_excp(PowerPCCPU *cpu, int excp)
     case POWERPC_EXCP_POWER8:
     case POWERPC_EXCP_POWER9:
     case POWERPC_EXCP_POWER10:
+    case POWERPC_EXCP_POWER11:
         powerpc_excp_books(cpu, excp);
         break;
     default:
@@ -2018,6 +2019,7 @@ static int ppc_next_unmasked_interrupt(CPUPPCState *env)
         return p8_next_unmasked_interrupt(env);
     case POWERPC_EXCP_POWER9:
     case POWERPC_EXCP_POWER10:
+    case POWERPC_EXCP_POWER11:
         return p9_next_unmasked_interrupt(env);
     default:
         break;
@@ -2378,6 +2380,7 @@ static void ppc_deliver_interrupt(CPUPPCState *env, int interrupt)
         return p8_deliver_interrupt(env, interrupt);
     case POWERPC_EXCP_POWER9:
     case POWERPC_EXCP_POWER10:
+    case POWERPC_EXCP_POWER11:
         return p9_deliver_interrupt(env, interrupt);
     default:
         break;
@@ -3168,6 +3171,7 @@ void ppc_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
     case POWERPC_EXCP_POWER8:
     case POWERPC_EXCP_POWER9:
     case POWERPC_EXCP_POWER10:
+    case POWERPC_EXCP_POWER11:
         /*
          * Machine check codes can be found in processor User Manual or
          * Linux or skiboot source.