[PATCH 08/16] cpu: Move CPUClass::vmsd to CPUSystemOperations

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

Migration is specific to system emulation.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 include/hw/core/cpu.h           |  6 ++++--
 cpu.c                           | 12 ++++++------
 target/alpha/cpu.c              |  2 +-
 target/arm/cpu.c                |  2 +-
 target/avr/cpu.c                |  2 +-
 target/cris/cpu.c               |  2 +-
 target/hppa/cpu.c               |  2 +-
 target/i386/cpu.c               |  2 +-
 target/lm32/cpu.c               |  2 +-
 target/m68k/cpu.c               |  2 +-
 target/microblaze/cpu.c         |  2 +-
 target/mips/cpu.c               |  2 +-
 target/moxie/cpu.c              |  2 +-
 target/openrisc/cpu.c           |  2 +-
 target/riscv/cpu.c              |  2 +-
 target/s390x/cpu.c              |  2 +-
 target/sh4/cpu.c                |  2 +-
 target/sparc/cpu.c              |  2 +-
 target/unicore32/cpu.c          |  2 +-
 target/xtensa/cpu.c             |  2 +-
 target/ppc/translate_init.c.inc |  2 +-
 21 files changed, 29 insertions(+), 27 deletions(-)

diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index ab89235cb45..bd1cb3b0d37 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -84,6 +84,10 @@ struct AccelCPUClass;
  * struct CPUSystemOperations: System operations specific to a CPU class
  */
 typedef struct CPUSystemOperations {
+    /**
+     * @vmsd: State description for migration.
+     */
+    const VMStateDescription *vmsd;
 } CPUSystemOperations;
 
 /**
@@ -128,7 +132,6 @@ typedef struct CPUSystemOperations {
  * 32-bit VM coredump.
  * @write_elf32_qemunote: Callback for writing a CPU- and QEMU-specific ELF
  * note to a 32-bit VM coredump.
- * @vmsd: State description for migration.
  * @gdb_num_core_regs: Number of core registers accessible to GDB.
  * @gdb_core_xml_file: File name for core registers GDB XML description.
  * @gdb_stop_before_watchpoint: Indicates whether GDB expects the CPU to stop
@@ -183,7 +186,6 @@ struct CPUClass {
     int (*write_elf32_qemunote)(WriteCoreDumpFunction f, CPUState *cpu,
                                 void *opaque);
 
-    const VMStateDescription *vmsd;
     const char *gdb_core_xml_file;
     gchar * (*gdb_arch_name)(CPUState *cpu);
     const char * (*gdb_get_dynamic_xml)(CPUState *cpu, const char *xmlname);
diff --git a/cpu.c b/cpu.c
index bfbe5a66f95..619b8c14f94 100644
--- a/cpu.c
+++ b/cpu.c
@@ -138,13 +138,13 @@ void cpu_exec_realizefn(CPUState *cpu, Error **errp)
 #endif /* CONFIG_TCG */
 
 #ifdef CONFIG_USER_ONLY
-    assert(cc->vmsd == NULL);
+    assert(cc->system_ops.vmsd == NULL);
 #else
     if (qdev_get_vmsd(DEVICE(cpu)) == NULL) {
         vmstate_register(NULL, cpu->cpu_index, &vmstate_cpu_common, cpu);
     }
-    if (cc->vmsd != NULL) {
-        vmstate_register(NULL, cpu->cpu_index, cc->vmsd, cpu);
+    if (cc->system_ops.vmsd != NULL) {
+        vmstate_register(NULL, cpu->cpu_index, cc->system_ops.vmsd, cpu);
     }
 #endif /* CONFIG_USER_ONLY */
 }
@@ -154,10 +154,10 @@ void cpu_exec_unrealizefn(CPUState *cpu)
     CPUClass *cc = CPU_GET_CLASS(cpu);
 
 #ifdef CONFIG_USER_ONLY
-    assert(cc->vmsd == NULL);
+    assert(cc->system_ops.vmsd == NULL);
 #else
-    if (cc->vmsd != NULL) {
-        vmstate_unregister(NULL, cc->vmsd, cpu);
+    if (cc->system_ops.vmsd != NULL) {
+        vmstate_unregister(NULL, cc->system_ops.vmsd, cpu);
     }
     if (qdev_get_vmsd(DEVICE(cpu)) == NULL) {
         vmstate_unregister(NULL, &vmstate_cpu_common, cpu);
diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c
index faabffe0796..ee65971da8e 100644
--- a/target/alpha/cpu.c
+++ b/target/alpha/cpu.c
@@ -237,7 +237,7 @@ static void alpha_cpu_class_init(ObjectClass *oc, void *data)
     cc->gdb_write_register = alpha_cpu_gdb_write_register;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = alpha_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_alpha_cpu;
+    cc->system_ops.vmsd = &vmstate_alpha_cpu;
 #endif
     cc->disas_set_info = alpha_cpu_disas_set_info;
 
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index b8bc89e71fc..11505e1db10 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2299,7 +2299,7 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data)
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_attrs_debug = arm_cpu_get_phys_page_attrs_debug;
     cc->asidx_from_attrs = arm_asidx_from_attrs;
-    cc->vmsd = &vmstate_arm_cpu;
+    cc->system_ops.vmsd = &vmstate_arm_cpu;
     cc->virtio_is_big_endian = arm_cpu_virtio_is_big_endian;
     cc->write_elf64_note = arm_cpu_write_elf64_note;
     cc->write_elf32_note = arm_cpu_write_elf32_note;
diff --git a/target/avr/cpu.c b/target/avr/cpu.c
index 0f4596932ba..0e55d5f4838 100644
--- a/target/avr/cpu.c
+++ b/target/avr/cpu.c
@@ -213,7 +213,7 @@ static void avr_cpu_class_init(ObjectClass *oc, void *data)
     cc->set_pc = avr_cpu_set_pc;
     cc->memory_rw_debug = avr_cpu_memory_rw_debug;
     cc->get_phys_page_debug = avr_cpu_get_phys_page_debug;
-    cc->vmsd = &vms_avr_cpu;
+    cc->system_ops.vmsd = &vms_avr_cpu;
     cc->disas_set_info = avr_cpu_disas_set_info;
     cc->gdb_read_register = avr_cpu_gdb_read_register;
     cc->gdb_write_register = avr_cpu_gdb_write_register;
diff --git a/target/cris/cpu.c b/target/cris/cpu.c
index 29a865b75d2..c0392c7def3 100644
--- a/target/cris/cpu.c
+++ b/target/cris/cpu.c
@@ -293,7 +293,7 @@ static void cris_cpu_class_init(ObjectClass *oc, void *data)
     cc->gdb_write_register = cris_cpu_gdb_write_register;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = cris_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_cris_cpu;
+    cc->system_ops.vmsd = &vmstate_cris_cpu;
 #endif
 
     cc->gdb_num_core_regs = 49;
diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index 4f142de6e45..58c09824fff 100644
--- a/target/hppa/cpu.c
+++ b/target/hppa/cpu.c
@@ -162,7 +162,7 @@ static void hppa_cpu_class_init(ObjectClass *oc, void *data)
     cc->gdb_write_register = hppa_cpu_gdb_write_register;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = hppa_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_hppa_cpu;
+    cc->system_ops.vmsd = &vmstate_hppa_cpu;
 #endif
     cc->disas_set_info = hppa_cpu_disas_set_info;
     cc->gdb_num_core_regs = 128;
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 6a53446e6a5..ae7f7763dfc 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -7426,7 +7426,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
     cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote;
     cc->write_elf32_note = x86_cpu_write_elf32_note;
     cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote;
-    cc->vmsd = &vmstate_x86_cpu;
+    cc->system_ops.vmsd = &vmstate_x86_cpu;
 #endif /* !CONFIG_USER_ONLY */
 
     cc->gdb_arch_name = x86_gdb_arch_name;
diff --git a/target/lm32/cpu.c b/target/lm32/cpu.c
index c23d72874c0..bc5f448584c 100644
--- a/target/lm32/cpu.c
+++ b/target/lm32/cpu.c
@@ -241,7 +241,7 @@ static void lm32_cpu_class_init(ObjectClass *oc, void *data)
     cc->gdb_write_register = lm32_cpu_gdb_write_register;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = lm32_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_lm32_cpu;
+    cc->system_ops.vmsd = &vmstate_lm32_cpu;
 #endif
     cc->gdb_num_core_regs = 32 + 7;
     cc->gdb_stop_before_watchpoint = true;
diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c
index c98fb1e33be..30cf308633f 100644
--- a/target/m68k/cpu.c
+++ b/target/m68k/cpu.c
@@ -533,7 +533,7 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data)
     cc->gdb_write_register = m68k_cpu_gdb_write_register;
 #if defined(CONFIG_SOFTMMU)
     cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_m68k_cpu;
+    cc->system_ops.vmsd = &vmstate_m68k_cpu;
 #endif
     cc->disas_set_info = m68k_cpu_disas_set_info;
 
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
index 335dfdc734e..17670bbfb59 100644
--- a/target/microblaze/cpu.c
+++ b/target/microblaze/cpu.c
@@ -387,7 +387,7 @@ static void mb_cpu_class_init(ObjectClass *oc, void *data)
 
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_attrs_debug = mb_cpu_get_phys_page_attrs_debug;
-    cc->vmsd = &vmstate_mb_cpu;
+    cc->system_ops.vmsd = &vmstate_mb_cpu;
 #endif
     device_class_set_props(dc, mb_properties);
     cc->gdb_num_core_regs = 32 + 27;
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index bf70c77295f..3389b879087 100644
--- a/target/mips/cpu.c
+++ b/target/mips/cpu.c
@@ -720,7 +720,7 @@ static void mips_cpu_class_init(ObjectClass *c, void *data)
     cc->gdb_write_register = mips_cpu_gdb_write_register;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = mips_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_mips_cpu;
+    cc->system_ops.vmsd = &vmstate_mips_cpu;
 #endif
     cc->disas_set_info = mips_cpu_disas_set_info;
     cc->gdb_num_core_regs = 73;
diff --git a/target/moxie/cpu.c b/target/moxie/cpu.c
index 83bec34d36c..953a440576f 100644
--- a/target/moxie/cpu.c
+++ b/target/moxie/cpu.c
@@ -122,7 +122,7 @@ static void moxie_cpu_class_init(ObjectClass *oc, void *data)
     cc->set_pc = moxie_cpu_set_pc;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = moxie_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_moxie_cpu;
+    cc->system_ops.vmsd = &vmstate_moxie_cpu;
 #endif
     cc->disas_set_info = moxie_cpu_disas_set_info;
     cc->tcg_ops = &moxie_tcg_ops;
diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c
index 79d246d1930..c127bcc0680 100644
--- a/target/openrisc/cpu.c
+++ b/target/openrisc/cpu.c
@@ -204,7 +204,7 @@ static void openrisc_cpu_class_init(ObjectClass *oc, void *data)
     cc->gdb_write_register = openrisc_cpu_gdb_write_register;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = openrisc_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_openrisc_cpu;
+    cc->system_ops.vmsd = &vmstate_openrisc_cpu;
 #endif
     cc->gdb_num_core_regs = 32 + 3;
     cc->disas_set_info = openrisc_disas_set_info;
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 16f1a342388..70651c9b721 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -623,7 +623,7 @@ static void riscv_cpu_class_init(ObjectClass *c, void *data)
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = riscv_cpu_get_phys_page_debug;
     /* For now, mark unmigratable: */
-    cc->vmsd = &vmstate_riscv_cpu;
+    cc->system_ops.vmsd = &vmstate_riscv_cpu;
 #endif
     cc->gdb_arch_name = riscv_gdb_arch_name;
     cc->gdb_get_dynamic_xml = riscv_gdb_get_dynamic_xml;
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index d35eb39a1bb..8ba8a96b4d5 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -517,7 +517,7 @@ 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->vmsd = &vmstate_s390_cpu;
+    cc->system_ops.vmsd = &vmstate_s390_cpu;
     cc->get_crash_info = s390_cpu_get_crash_info;
     cc->write_elf64_note = s390_cpu_write_elf64_note;
 #endif
diff --git a/target/sh4/cpu.c b/target/sh4/cpu.c
index bd44de53729..706ef971c3d 100644
--- a/target/sh4/cpu.c
+++ b/target/sh4/cpu.c
@@ -262,7 +262,7 @@ static void superh_cpu_class_init(ObjectClass *oc, void *data)
 
     cc->gdb_num_core_regs = 59;
 
-    cc->vmsd = &vmstate_sh_cpu;
+    cc->system_ops.vmsd = &vmstate_sh_cpu;
     cc->tcg_ops = &superh_tcg_ops;
 }
 
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c
index aece2c7dc83..f14a26c154a 100644
--- a/target/sparc/cpu.c
+++ b/target/sparc/cpu.c
@@ -889,7 +889,7 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data)
     cc->gdb_write_register = sparc_cpu_gdb_write_register;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = sparc_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_sparc_cpu;
+    cc->system_ops.vmsd = &vmstate_sparc_cpu;
 #endif
     cc->disas_set_info = cpu_sparc_disas_set_info;
 
diff --git a/target/unicore32/cpu.c b/target/unicore32/cpu.c
index 12894ffac6a..277b41194fb 100644
--- a/target/unicore32/cpu.c
+++ b/target/unicore32/cpu.c
@@ -146,7 +146,7 @@ static void uc32_cpu_class_init(ObjectClass *oc, void *data)
     cc->dump_state = uc32_cpu_dump_state;
     cc->set_pc = uc32_cpu_set_pc;
     cc->get_phys_page_debug = uc32_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_uc32_cpu;
+    cc->system_ops.vmsd = &vmstate_uc32_cpu;
     cc->tcg_ops = &uc32_tcg_ops;
 }
 
diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
index 6bedd5b97b8..80f12ebf995 100644
--- a/target/xtensa/cpu.c
+++ b/target/xtensa/cpu.c
@@ -218,7 +218,7 @@ static void xtensa_cpu_class_init(ObjectClass *oc, void *data)
     cc->get_phys_page_debug = xtensa_cpu_get_phys_page_debug;
 #endif
     cc->disas_set_info = xtensa_cpu_disas_set_info;
-    cc->vmsd = &vmstate_xtensa_cpu;
+    cc->system_ops.vmsd = &vmstate_xtensa_cpu;
     cc->tcg_ops = &xtensa_tcg_ops;
 }
 
diff --git a/target/ppc/translate_init.c.inc b/target/ppc/translate_init.c.inc
index e7324e85cdb..65c45e7870a 100644
--- a/target/ppc/translate_init.c.inc
+++ b/target/ppc/translate_init.c.inc
@@ -10885,7 +10885,7 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data)
     cc->gdb_write_register = ppc_cpu_gdb_write_register;
 #ifndef CONFIG_USER_ONLY
     cc->get_phys_page_debug = ppc_cpu_get_phys_page_debug;
-    cc->vmsd = &vmstate_ppc_cpu;
+    cc->system_ops.vmsd = &vmstate_ppc_cpu;
 #endif
 #if defined(CONFIG_SOFTMMU)
     cc->write_elf64_note = ppc64_cpu_write_elf64_note;
-- 
2.26.2