aboutsummaryrefslogtreecommitdiff
path: root/include/qom/cpu.h
diff options
context:
space:
mode:
authorMichael S. Tsirkin <mst@redhat.com>2017-06-23 22:25:03 +0300
committerMichael S. Tsirkin <mst@redhat.com>2017-08-08 00:31:09 +0300
commite2a7f28693aea7e194ec1435697ec4feb24f8a6f (patch)
treeb8bc5f69eacde2ddfeb8554ef7ab8f4e731bc6b0 /include/qom/cpu.h
parenta41c78c135eb1850826e96b2154690323ff66719 (diff)
cpu: add APIs to allocate/free CPU environment
These will be implemented and then used by follow-up patches. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/qom/cpu.h')
-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.
*