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authorGlauber Costa <glommer@redhat.com>2009-06-09 12:15:18 -0400
committerAnthony Liguori <aliguori@us.ibm.com>2009-06-16 15:36:47 -0500
commit950f147249643635289003d7dd291915ad330b29 (patch)
tree4fbee26dd9364a7bcfac706574e6c7e1afc8d4ef
parentpci: add define for communication class devices (diff)
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provide cpu_index to env mapping
There are some people interested in, given a cpu number, pick its CPUState. KVM is an example, although not yet in tree. This patch provides a way of doing that. Signed-off-by: Glauber Costa <glommer@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
-rw-r--r--cpu-all.h1
-rw-r--r--exec.c13
2 files changed, 14 insertions, 0 deletions
diff --git a/cpu-all.h b/cpu-all.h
index 8f078c415..48a9a2c11 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -743,6 +743,7 @@ int page_check_range(target_ulong start, target_ulong len, int flags);
void cpu_exec_init_all(unsigned long tb_size);
CPUState *cpu_copy(CPUState *env);
+CPUState *qemu_get_cpu(int cpu);
void cpu_dump_state(CPUState *env, FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
diff --git a/exec.c b/exec.c
index 3023f4418..bbaf0b689 100644
--- a/exec.c
+++ b/exec.c
@@ -541,6 +541,19 @@ static int cpu_common_load(QEMUFile *f, void *opaque, int version_id)
}
#endif
+CPUState *qemu_get_cpu(int cpu)
+{
+ CPUState *env = first_cpu;
+
+ while (env) {
+ if (env->cpu_index == cpu)
+ break;
+ env = env->next_cpu;
+ }
+
+ return env;
+}
+
void cpu_exec_init(CPUState *env)
{
CPUState **penv;