diff options
| -rw-r--r-- | include/qom/cpu.h | 10 | ||||
| -rw-r--r-- | include/sysemu/memory_mapping.h | 1 | ||||
| -rw-r--r-- | memory_mapping-stub.c | 6 | ||||
| -rw-r--r-- | memory_mapping.c | 2 | ||||
| -rw-r--r-- | qom/cpu.c | 13 | ||||
| -rw-r--r-- | target-i386/arch_memory_mapping.c | 6 | ||||
| -rw-r--r-- | target-i386/cpu.c | 11 |
7 files changed, 34 insertions, 15 deletions
diff --git a/include/qom/cpu.h b/include/qom/cpu.h index 7cd9442503..1f70240991 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -48,6 +48,7 @@ typedef struct CPUState CPUState; * @reset: Callback to reset the #CPUState to its initial state. * @do_interrupt: Callback for interrupt handling. * @get_arch_id: Callback for getting architecture-dependent CPU ID. + * @get_paging_enabled: Callback for inquiring whether paging is enabled. * @vmsd: State description for migration. * * Represents a CPU family or model. @@ -62,6 +63,7 @@ typedef struct CPUClass { void (*reset)(CPUState *cpu); void (*do_interrupt)(CPUState *cpu); int64_t (*get_arch_id)(CPUState *cpu); + bool (*get_paging_enabled)(const CPUState *cpu); const struct VMStateDescription *vmsd; int (*write_elf64_note)(WriteCoreDumpFunction f, CPUState *cpu, @@ -138,6 +140,14 @@ struct CPUState { }; /** + * cpu_paging_enabled: + * @cpu: The CPU whose state is to be inspected. + * + * Returns: %true if paging is enabled, %false otherwise. + */ +bool cpu_paging_enabled(const CPUState *cpu); + +/** * cpu_write_elf64_note: * @f: pointer to a function that writes memory to a file * @cpu: The CPU whose memory is to be dumped diff --git a/include/sysemu/memory_mapping.h b/include/sysemu/memory_mapping.h index 1256125963..6f01524451 100644 --- a/include/sysemu/memory_mapping.h +++ b/include/sysemu/memory_mapping.h @@ -31,7 +31,6 @@ typedef struct MemoryMappingList { } MemoryMappingList; int cpu_get_memory_mapping(MemoryMappingList *list, CPUArchState *env); -bool cpu_paging_enabled(CPUArchState *env); /* * add or merge the memory region [phys_addr, phys_addr + length) into the diff --git a/memory_mapping-stub.c b/memory_mapping-stub.c index 24d5d67371..6c0dfeb01c 100644 --- a/memory_mapping-stub.c +++ b/memory_mapping-stub.c @@ -25,9 +25,3 @@ int cpu_get_memory_mapping(MemoryMappingList *list, { return -1; } - -bool cpu_paging_enabled(CPUArchState *env) -{ - return true; -} - diff --git a/memory_mapping.c b/memory_mapping.c index ff45b3a239..0790aacc21 100644 --- a/memory_mapping.c +++ b/memory_mapping.c @@ -170,7 +170,7 @@ static CPUArchState *find_paging_enabled_cpu(CPUArchState *start_cpu) CPUArchState *env; for (env = start_cpu; env != NULL; env = env->next_cpu) { - if (cpu_paging_enabled(env)) { + if (cpu_paging_enabled(ENV_GET_CPU(env))) { return env; } } @@ -50,6 +50,18 @@ bool cpu_exists(int64_t id) return data.found; } +bool cpu_paging_enabled(const CPUState *cpu) +{ + CPUClass *cc = CPU_GET_CLASS(cpu); + + return cc->get_paging_enabled(cpu); +} + +static bool cpu_common_get_paging_enabled(const CPUState *cpu) +{ + return true; +} + /* CPU hot-plug notifiers */ static NotifierList cpu_added_notifiers = NOTIFIER_LIST_INITIALIZER(cpu_add_notifiers); @@ -176,6 +188,7 @@ static void cpu_class_init(ObjectClass *klass, void *data) k->class_by_name = cpu_common_class_by_name; k->reset = cpu_common_reset; k->get_arch_id = cpu_common_get_arch_id; + k->get_paging_enabled = cpu_common_get_paging_enabled; k->write_elf32_qemunote = cpu_common_write_elf32_qemunote; k->write_elf32_note = cpu_common_write_elf32_note; k->write_elf64_qemunote = cpu_common_write_elf64_qemunote; diff --git a/target-i386/arch_memory_mapping.c b/target-i386/arch_memory_mapping.c index 5096fbdf44..c5a10ec9bd 100644 --- a/target-i386/arch_memory_mapping.c +++ b/target-i386/arch_memory_mapping.c @@ -241,7 +241,7 @@ static void walk_pml4e(MemoryMappingList *list, int cpu_get_memory_mapping(MemoryMappingList *list, CPUArchState *env) { - if (!cpu_paging_enabled(env)) { + if (!cpu_paging_enabled(ENV_GET_CPU(env))) { /* paging is disabled */ return 0; } @@ -273,7 +273,3 @@ int cpu_get_memory_mapping(MemoryMappingList *list, CPUArchState *env) return 0; } -bool cpu_paging_enabled(CPUArchState *env) -{ - return env->cr[0] & CR0_PG_MASK; -} diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 4b2da0d750..f6fa7fa8b6 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -2505,6 +2505,13 @@ static int64_t x86_cpu_get_arch_id(CPUState *cs) return env->cpuid_apic_id; } +static bool x86_cpu_get_paging_enabled(const CPUState *cs) +{ + X86CPU *cpu = X86_CPU(cs); + + return cpu->env.cr[0] & CR0_PG_MASK; +} + static void x86_cpu_common_class_init(ObjectClass *oc, void *data) { X86CPUClass *xcc = X86_CPU_CLASS(oc); @@ -2519,6 +2526,8 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data) cc->reset = x86_cpu_reset; cc->do_interrupt = x86_cpu_do_interrupt; + cc->get_arch_id = x86_cpu_get_arch_id; + cc->get_paging_enabled = x86_cpu_get_paging_enabled; #ifndef CONFIG_USER_ONLY cc->write_elf64_note = x86_cpu_write_elf64_note; cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote; @@ -2526,8 +2535,6 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data) cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote; #endif cpu_class_set_vmsd(cc, &vmstate_x86_cpu); - - cc->get_arch_id = x86_cpu_get_arch_id; } static const TypeInfo x86_cpu_type_info = { |