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authorEduardo Habkost <ehabkost@redhat.com>2017-07-26 15:44:35 -0300
committerEduardo Habkost <ehabkost@redhat.com>2017-09-01 11:54:24 -0300
commit5ce46cb34eecec0bc94a4b1394763f9a1bbe20c3 (patch)
tree7bd400d87bc3fc95068e397bd9f0a947e9e790e8 /qom
parent3beacfb98ba5f594dff4a4541401f2849e0a9ec6 (diff)
cpu: cpu_by_arch_id() helper
The helper can be used for CPU object lookup using the CPU's arch-specific ID (the one returned by CPUClass::get_arch_id()). Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> [Yi Wang: Added documentation comments] Signed-off-by: Yi Wang <wang.yi59@zte.com.cn> Signed-off-by: Yun Liu <liu.yunh@zte.com.cn> [ehabkost: extracted cpu_by_arch_id() to a separate patch] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'qom')
-rw-r--r--qom/cpu.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/qom/cpu.c b/qom/cpu.c
index 4f38db0dac..e6210d5949 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -34,7 +34,7 @@
CPUInterruptHandler cpu_interrupt_handler;
-bool cpu_exists(int64_t id)
+CPUState *cpu_by_arch_id(int64_t id)
{
CPUState *cpu;
@@ -42,10 +42,15 @@ bool cpu_exists(int64_t id)
CPUClass *cc = CPU_GET_CLASS(cpu);
if (cc->get_arch_id(cpu) == id) {
- return true;
+ return cpu;
}
}
- return false;
+ return NULL;
+}
+
+bool cpu_exists(int64_t id)
+{
+ return !!cpu_by_arch_id(id);
}
CPUState *cpu_generic_init(const char *typename, const char *cpu_model)