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[Qemu-devel] [PATCH qom-cpu v10 1/2] target-i386: Prepare CPUClass::clas
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [PATCH qom-cpu v10 1/2] target-i386: Prepare CPUClass::class_by_name for X86CPU |
Date: |
Tue, 25 Feb 2014 08:36:26 +0100 |
Signed-off-by: Eduardo Habkost <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
target-i386/cpu.c | 24 +++++++++++++++++++++---
1 file changed, 21 insertions(+), 3 deletions(-)
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index a8b8e88..1c009bb 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -484,6 +484,15 @@ static void add_flagname_to_bitmaps(const char *flagname,
}
}
+static ObjectClass *x86_cpu_class_by_name(const char *cpu_model)
+{
+ if (cpu_model == NULL) {
+ return NULL;
+ }
+
+ return object_class_by_name(TYPE_X86_CPU);
+}
+
typedef struct X86CPUDefinition {
const char *name;
uint32_t level;
@@ -1881,6 +1890,7 @@ X86CPU *cpu_x86_create(const char *cpu_model, DeviceState
*icc_bridge,
Error **errp)
{
X86CPU *cpu = NULL;
+ ObjectClass *oc;
gchar **model_pieces;
char *name, *features;
char *typename;
@@ -1894,7 +1904,12 @@ X86CPU *cpu_x86_create(const char *cpu_model,
DeviceState *icc_bridge,
name = model_pieces[0];
features = model_pieces[1];
- cpu = X86_CPU(object_new(TYPE_X86_CPU));
+ oc = x86_cpu_class_by_name(name);
+ if (oc == NULL) {
+ error_setg(&error, "Unable to find CPU definition: %s", name);
+ goto out;
+ }
+ cpu = X86_CPU(object_new(object_class_get_name(oc)));
x86_cpu_load_def(cpu, name, &error);
if (error) {
goto out;
@@ -1925,8 +1940,10 @@ X86CPU *cpu_x86_create(const char *cpu_model,
DeviceState *icc_bridge,
out:
if (error != NULL) {
error_propagate(errp, error);
- object_unref(OBJECT(cpu));
- cpu = NULL;
+ if (cpu) {
+ object_unref(OBJECT(cpu));
+ cpu = NULL;
+ }
}
g_strfreev(model_pieces);
return cpu;
@@ -2739,6 +2756,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc,
void *data)
cc->reset = x86_cpu_reset;
cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
+ cc->class_by_name = x86_cpu_class_by_name;
cc->has_work = x86_cpu_has_work;
cc->do_interrupt = x86_cpu_do_interrupt;
cc->dump_state = x86_cpu_dump_state;
--
1.8.4.5