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-rw-r--r--include/qom/cpu.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 25eefea7ab..e9d30c52b4 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -162,6 +162,10 @@ typedef struct CPUClass {
void (*dump_statistics)(CPUState *cpu, FILE *f,
fprintf_function cpu_fprintf, int flags);
int64_t (*get_arch_id)(CPUState *cpu);
+ void * (*alloc_env)(CPUState *cpu);
+ void (*get_env)(CPUState *cpu, void *env);
+ void (*set_env)(CPUState *cpu, void *env);
+ void (*free_env)(CPUState *cpu, void *env);
bool (*get_paging_enabled)(const CPUState *cpu);
void (*get_memory_mapping)(CPUState *cpu, MemoryMappingList *list,
Error **errp);
@@ -440,6 +444,33 @@ extern bool mttcg_enabled;
#define qemu_tcg_mttcg_enabled() (mttcg_enabled)
/**
+ * cpu_alloc_env: allocate CPU environment structure
+ * @cpu: allocate environment structure for this CPU
+ */
+void *cpu_alloc_env(CPUState *cpu);
+
+/**
+ * cpu_get_env: retrieve CPU environment structure
+ * @cpu: CPU to use
+ * @env: environment structure to use
+ */
+void cpu_get_env(CPUState *cpu, void *env);
+
+/**
+ * cpu_set_env: switch to given CPU environment
+ * @cpu: CPU to use
+ * @env: environment structure to use
+ */
+void cpu_set_env(CPUState *cpu, void *env);
+
+/**
+ * cpu_free_env: free CPU environment structure
+ * @cpu: free environment structure for this CPU
+ * @env: structure to free
+ */
+void cpu_free_env(CPUState *cpu, void *env);
+
+/**
* cpu_paging_enabled:
* @cpu: The CPU whose state is to be inspected.
*