@@ -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)(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(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
@@ -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
@@ -25,9 +25,3 @@ int cpu_get_memory_mapping(MemoryMappingList *list,
{
return -1;
}
-
-bool cpu_paging_enabled(CPUArchState *env)
-{
- return true;
-}
-
@@ -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(CPUState *cpu)
+{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+
+ return cc->get_paging_enabled(cpu);
+}
+
+static bool cpu_common_get_paging_enabled(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;
@@ -239,7 +239,7 @@ 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;
}
@@ -271,7 +271,3 @@ int cpu_get_memory_mapping(MemoryMappingList *list, CPUArchState *env)
return 0;
}
-bool cpu_paging_enabled(CPUArchState *env)
-{
- return env->cr[0] & CR0_PG_MASK;
-}
@@ -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(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 = {
Signed-off-by: Andreas Färber <afaerber@suse.de> --- include/qom/cpu.h | 10 ++++++++++ include/sysemu/memory_mapping.h | 1 - memory_mapping-stub.c | 6 ------ memory_mapping.c | 2 +- qom/cpu.c | 13 +++++++++++++ target-i386/arch_memory_mapping.c | 6 +----- target-i386/cpu.c | 11 +++++++++-- 7 files changed, 34 insertions(+), 15 deletions(-)