[v7,17/23] cpu: Move CPUClass::get_crash_info to SysemuCPUOps

Commit Message

Philippe Mathieu-Daudé May 17, 2021, 10:51 a.m. UTC

cpu_get_crash_info() is called on GUEST_PANICKED events,
which only occur in system emulation.

Reviewed-by: Richard Henderson <[e-mail]>
Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
---
 include/hw/core/cpu.h            | 1 -
 include/hw/core/sysemu-cpu-ops.h | 5 +++++
 hw/core/cpu-sysemu.c             | 4 ++--
 target/i386/cpu.c                | 2 +-
 target/s390x/cpu.c               | 2 +-
 5 files changed, 9 insertions(+), 5 deletions(-)

Patch

diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 1b7e815c871..6f5e04ae580 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -150,7 +150,6 @@  struct CPUClass {
     int (*memory_rw_debug)(CPUState *cpu, vaddr addr,
                            uint8_t *buf, int len, bool is_write);
     void (*dump_state)(CPUState *cpu, FILE *, int flags);
-    GuestPanicInformation* (*get_crash_info)(CPUState *cpu);
     void (*dump_statistics)(CPUState *cpu, int flags);
     int64_t (*get_arch_id)(CPUState *cpu);
     bool (*get_paging_enabled)(const CPUState *cpu);
diff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-ops.h
index ed212085f89..c6ec9b0a7f6 100644
--- a/include/hw/core/sysemu-cpu-ops.h
+++ b/include/hw/core/sysemu-cpu-ops.h
@@ -16,6 +16,11 @@ 
  * struct SysemuCPUOps: System operations specific to a CPU class
  */
 typedef struct SysemuCPUOps {
+    /**
+     * @get_crash_info: Callback for reporting guest crash information in
+     * GUEST_PANICKED events.
+     */
+    GuestPanicInformation* (*get_crash_info)(CPUState *cpu);
     /**
      * @virtio_is_big_endian: Callback to return %true if a CPU which supports
      *       runtime configurable endianness is currently big-endian.
diff --git a/hw/core/cpu-sysemu.c b/hw/core/cpu-sysemu.c
index bad7d2cb016..90b5ac8eb9e 100644
--- a/hw/core/cpu-sysemu.c
+++ b/hw/core/cpu-sysemu.c
@@ -138,8 +138,8 @@  GuestPanicInformation *cpu_get_crash_info(CPUState *cpu)
     CPUClass *cc = CPU_GET_CLASS(cpu);
     GuestPanicInformation *res = NULL;
 
-    if (cc->get_crash_info) {
-        res = cc->get_crash_info(cpu);
+    if (cc->sysemu_ops->get_crash_info) {
+        res = cc->sysemu_ops->get_crash_info(cpu);
     }
     return res;
 }
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index f8750f6400f..1106dc3fc98 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -6716,6 +6716,7 @@  static Property x86_cpu_properties[] = {
 
 #ifndef CONFIG_USER_ONLY
 static const struct SysemuCPUOps i386_sysemu_ops = {
+    .get_crash_info = x86_cpu_get_crash_info,
     .legacy_vmsd = &vmstate_x86_cpu,
 };
 #endif
@@ -6750,7 +6751,6 @@  static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
     cc->asidx_from_attrs = x86_asidx_from_attrs;
     cc->get_memory_mapping = x86_cpu_get_memory_mapping;
     cc->get_phys_page_attrs_debug = x86_cpu_get_phys_page_attrs_debug;
-    cc->get_crash_info = x86_cpu_get_crash_info;
     cc->write_elf64_note = x86_cpu_write_elf64_note;
     cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote;
     cc->write_elf32_note = x86_cpu_write_elf32_note;
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index aafe5fa2ef5..470aaeb72e6 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -478,6 +478,7 @@  static void s390_cpu_reset_full(DeviceState *dev)
 
 #ifndef CONFIG_USER_ONLY
 static const struct SysemuCPUOps s390_sysemu_ops = {
+    .get_crash_info = s390_cpu_get_crash_info,
     .legacy_vmsd = &vmstate_s390_cpu,
 };
 #endif
@@ -522,7 +523,6 @@  static void s390_cpu_class_init(ObjectClass *oc, void *data)
     cc->gdb_write_register = s390_cpu_gdb_write_register;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = s390_cpu_get_phys_page_debug;
-    cc->get_crash_info = s390_cpu_get_crash_info;
     cc->write_elf64_note = s390_cpu_write_elf64_note;
     cc->sysemu_ops = &s390_sysemu_ops;
 #endif