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Diffstat (limited to 'target-i386/cpu.c')
-rw-r--r--target-i386/cpu.c89
1 files changed, 62 insertions, 27 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 6dd993f847..e2302d8b05 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1463,18 +1463,19 @@ void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
snprintf(buf, sizeof(buf), "%s", def->name);
(*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id);
}
- if (kvm_enabled()) {
- (*cpu_fprintf)(f, "x86 %16s\n", "[host]");
- }
+#ifdef CONFIG_KVM
+ (*cpu_fprintf)(f, "x86 %16s %-48s\n", "host",
+ "KVM processor with all supported host features "
+ "(only available in KVM mode)");
+#endif
+
(*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
- listflags(buf, sizeof(buf), (uint32_t)~0, feature_name, 1);
- (*cpu_fprintf)(f, " %s\n", buf);
- listflags(buf, sizeof(buf), (uint32_t)~0, ext_feature_name, 1);
- (*cpu_fprintf)(f, " %s\n", buf);
- listflags(buf, sizeof(buf), (uint32_t)~0, ext2_feature_name, 1);
- (*cpu_fprintf)(f, " %s\n", buf);
- listflags(buf, sizeof(buf), (uint32_t)~0, ext3_feature_name, 1);
- (*cpu_fprintf)(f, " %s\n", buf);
+ for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) {
+ FeatureWordInfo *fw = &feature_word_info[i];
+
+ listflags(buf, sizeof(buf), (uint32_t)~0, fw->feat_names, 1);
+ (*cpu_fprintf)(f, " %s\n", buf);
+ }
}
CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
@@ -1562,7 +1563,7 @@ static void cpu_x86_register(X86CPU *cpu, const char *name, Error **errp)
object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp);
}
-X86CPU *cpu_x86_init(const char *cpu_model)
+X86CPU *cpu_x86_create(const char *cpu_model, Error **errp)
{
X86CPU *cpu = NULL;
CPUX86State *env;
@@ -1592,13 +1593,25 @@ X86CPU *cpu_x86_init(const char *cpu_model)
goto out;
}
- object_property_set_bool(OBJECT(cpu), true, "realized", &error);
+out:
+ error_propagate(errp, error);
+ g_strfreev(model_pieces);
+ return cpu;
+}
+
+X86CPU *cpu_x86_init(const char *cpu_model)
+{
+ Error *error = NULL;
+ X86CPU *cpu;
+
+ cpu = cpu_x86_create(cpu_model, &error);
if (error) {
goto out;
}
+ object_property_set_bool(OBJECT(cpu), true, "realized", &error);
+
out:
- g_strfreev(model_pieces);
if (error) {
fprintf(stderr, "%s\n", error_get_pretty(error));
error_free(error);
@@ -1868,12 +1881,13 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
if (env->cpuid_ext2_features & CPUID_EXT2_LM) {
/* 64 bit processor */
/* XXX: The physical address space is limited to 42 bits in exec.c. */
- *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
+ *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
} else {
- if (env->cpuid_features & CPUID_PSE36)
+ if (env->cpuid_features & CPUID_PSE36) {
*eax = 0x00000024; /* 36 bits physical */
- else
+ } else {
*eax = 0x00000020; /* 32 bits physical */
+ }
}
*ebx = 0;
*ecx = 0;
@@ -2049,9 +2063,8 @@ static void mce_init(X86CPU *cpu)
}
#ifndef CONFIG_USER_ONLY
-static void x86_cpu_apic_init(X86CPU *cpu, Error **errp)
+static void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
{
- static int apic_mapped;
CPUX86State *env = &cpu->env;
APICCommonState *apic;
const char *apic_type = "apic";
@@ -2074,6 +2087,16 @@ static void x86_cpu_apic_init(X86CPU *cpu, Error **errp)
/* TODO: convert to link<> */
apic = APIC_COMMON(env->apic_state);
apic->cpu = cpu;
+}
+
+static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
+{
+ CPUX86State *env = &cpu->env;
+ static int apic_mapped;
+
+ if (env->apic_state == NULL) {
+ return;
+ }
if (qdev_init(env->apic_state)) {
error_setg(errp, "APIC device '%s' could not be initialized",
@@ -2091,6 +2114,10 @@ static void x86_cpu_apic_init(X86CPU *cpu, Error **errp)
apic_mapped = 1;
}
}
+#else
+static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
+{
+}
#endif
static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
@@ -2098,9 +2125,7 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
X86CPU *cpu = X86_CPU(dev);
X86CPUClass *xcc = X86_CPU_GET_CLASS(dev);
CPUX86State *env = &cpu->env;
-#ifndef CONFIG_USER_ONLY
Error *local_err = NULL;
-#endif
if (env->cpuid_7_0_ebx_features && env->cpuid_level < 7) {
env->cpuid_level = 7;
@@ -2130,8 +2155,9 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
} else {
if (check_cpuid && kvm_check_features_against_host(cpu)
&& enforce_cpuid) {
- error_setg(errp, "Host's CPU doesn't support requested features");
- return;
+ error_setg(&local_err,
+ "Host's CPU doesn't support requested features");
+ goto out;
}
#ifdef CONFIG_KVM
filter_features_for_kvm(cpu);
@@ -2142,19 +2168,28 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
if (cpu->env.cpuid_features & CPUID_APIC || smp_cpus > 1) {
- x86_cpu_apic_init(cpu, &local_err);
+ x86_cpu_apic_create(cpu, &local_err);
if (local_err != NULL) {
- error_propagate(errp, local_err);
- return;
+ goto out;
}
}
#endif
mce_init(cpu);
qemu_init_vcpu(&cpu->env);
+
+ x86_cpu_apic_realize(cpu, &local_err);
+ if (local_err != NULL) {
+ goto out;
+ }
cpu_reset(CPU(cpu));
- xcc->parent_realize(dev, errp);
+ xcc->parent_realize(dev, &local_err);
+out:
+ if (local_err != NULL) {
+ error_propagate(errp, local_err);
+ return;
+ }
}
/* Enables contiguous-apic-ID mode, for compatibility */