hw/acpi/core: Trace enable and status registers of GPE separately

The bit positions of both registers are related. Tracing the registers
independently results in the same offsets across these registers which
eases debugging.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230908084234.17642-9-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

hw/acpi/core.c

@@ -687,13 +687,13 @@ void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val)
 {
     uint8_t *cur;
 
-    trace_acpi_gpe_ioport_writeb(addr, val);
-
     cur = acpi_gpe_ioport_get_ptr(ar, addr);
     if (addr < ar->gpe.len / 2) {
+        trace_acpi_gpe_sts_ioport_writeb(addr, val);
         /* GPE_STS */
         *cur = (*cur) & ~val;
     } else if (addr < ar->gpe.len) {
+        trace_acpi_gpe_en_ioport_writeb(addr - (ar->gpe.len / 2), val);
         /* GPE_EN */
         *cur = val;
     } else {
@@ -712,7 +712,11 @@ uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr)
         val = *cur;
     }
 
-    trace_acpi_gpe_ioport_readb(addr, val);
+    if (addr < ar->gpe.len / 2) {
+        trace_acpi_gpe_sts_ioport_readb(addr, val);
+    } else {
+        trace_acpi_gpe_en_ioport_readb(addr - (ar->gpe.len / 2), val);
+    }
 
     return val;
 }

hw/acpi/trace-events

@@ -18,8 +18,10 @@ mhp_acpi_pc_dimm_deleted(uint32_t slot) "slot[0x%"PRIx32"] pc-dimm deleted"
 mhp_acpi_pc_dimm_delete_failed(uint32_t slot) "slot[0x%"PRIx32"] pc-dimm delete failed"
 
 # core.c
-acpi_gpe_ioport_readb(uint32_t addr, uint8_t val) "addr: 0x%" PRIx32 " ==> 0x%" PRIx8
-acpi_gpe_ioport_writeb(uint32_t addr, uint8_t val) "addr: 0x%" PRIx32 " <== 0x%" PRIx8
+acpi_gpe_en_ioport_readb(uint32_t addr, uint8_t val) "addr: 0x%" PRIx32 " ==> 0x%02" PRIx8
+acpi_gpe_en_ioport_writeb(uint32_t addr, uint8_t val) "addr: 0x%" PRIx32 " <== 0x%02" PRIx8
+acpi_gpe_sts_ioport_readb(uint32_t addr, uint8_t val) "addr: 0x%" PRIx32 " ==> 0x%02" PRIx8
+acpi_gpe_sts_ioport_writeb(uint32_t addr, uint8_t val) "addr: 0x%" PRIx32 " <== 0x%02" PRIx8
 
 # cpu.c
 cpuhp_acpi_invalid_idx_selected(uint32_t idx) "0x%"PRIx32