cleanup x86 code

This commit is contained in:
Nguyen Anh Quynh 2020-06-08 08:30:36 +08:00
parent c09adf5b7b
commit 411648eb0c

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@ -1224,356 +1224,6 @@ static void report_unavailable_features(FeatureWord w, uint32_t mask)
}
}
#if 0
static void x86_cpuid_version_get_family(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
CPUX86State *env = &cpu->env;
int64_t value;
value = (env->cpuid_version >> 8) & 0xf;
if (value == 0xf) {
value += (env->cpuid_version >> 20) & 0xff;
}
visit_type_int(v, &value, name, errp);
}
static int x86_cpuid_version_set_family(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
CPUX86State *env = &cpu->env;
const int64_t min = 0;
const int64_t max = 0xff + 0xf;
Error *local_err = NULL;
int64_t value;
visit_type_int(v, &value, name, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return -1;
}
if (value < min || value > max) {
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
name ? name : "null", value, min, max);
return -1;
}
env->cpuid_version &= ~0xff00f00;
if (value > 0x0f) {
env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
} else {
env->cpuid_version |= value << 8;
}
return 0;
}
static void x86_cpuid_version_get_model(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
CPUX86State *env = &cpu->env;
int64_t value;
value = (env->cpuid_version >> 4) & 0xf;
value |= ((env->cpuid_version >> 16) & 0xf) << 4;
visit_type_int(v, &value, name, errp);
}
static int x86_cpuid_version_set_model(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
CPUX86State *env = &cpu->env;
const int64_t min = 0;
const int64_t max = 0xff;
Error *local_err = NULL;
int64_t value;
visit_type_int(v, &value, name, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return -1;
}
if (value < min || value > max) {
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
name ? name : "null", value, min, max);
return -1;
}
env->cpuid_version &= ~0xf00f0;
env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
return 0;
}
static void x86_cpuid_version_get_stepping(struct uc_struct *uc, Object *obj, Visitor *v,
void *opaque, const char *name,
Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
CPUX86State *env = &cpu->env;
int64_t value;
value = env->cpuid_version & 0xf;
visit_type_int(v, &value, name, errp);
}
static int x86_cpuid_version_set_stepping(struct uc_struct *uc, Object *obj, Visitor *v,
void *opaque, const char *name,
Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
CPUX86State *env = &cpu->env;
const int64_t min = 0;
const int64_t max = 0xf;
Error *local_err = NULL;
int64_t value;
visit_type_int(v, &value, name, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return -1;
}
if (value < min || value > max) {
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
name ? name : "null", value, min, max);
return -1;
}
env->cpuid_version &= ~0xf;
env->cpuid_version |= value & 0xf;
return 0;
}
static void x86_cpuid_get_level(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
}
static int x86_cpuid_set_level(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
return 0;
}
static void x86_cpuid_get_xlevel(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
}
static int x86_cpuid_set_xlevel(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
return 0;
}
static char *x86_cpuid_get_vendor(struct uc_struct *uc, Object *obj, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
CPUX86State *env = &cpu->env;
char *value;
value = (char *)g_malloc(CPUID_VENDOR_SZ + 1);
x86_cpu_vendor_words2str(value, env->cpuid_vendor1, env->cpuid_vendor2,
env->cpuid_vendor3);
return value;
}
static int x86_cpuid_set_vendor(struct uc_struct *uc, Object *obj, const char *value,
Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
CPUX86State *env = &cpu->env;
int i;
if (strlen(value) != CPUID_VENDOR_SZ) {
error_set(errp, QERR_PROPERTY_VALUE_BAD, "",
"vendor", value);
return -1;
}
env->cpuid_vendor1 = 0;
env->cpuid_vendor2 = 0;
env->cpuid_vendor3 = 0;
for (i = 0; i < 4; i++) {
env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i);
env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
}
return 0;
}
static char *x86_cpuid_get_model_id(struct uc_struct *uc, Object *obj, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
CPUX86State *env = &cpu->env;
char *value;
int i;
value = g_malloc(48 + 1);
for (i = 0; i < 48; i++) {
value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
}
value[48] = '\0';
return value;
}
static int x86_cpuid_set_model_id(struct uc_struct *uc, Object *obj, const char *model_id,
Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
CPUX86State *env = &cpu->env;
int c, len, i;
if (model_id == NULL) {
model_id = "";
}
len = strlen(model_id);
memset(env->cpuid_model, 0, 48);
for (i = 0; i < 48; i++) {
if (i >= len) {
c = '\0';
} else {
c = (uint8_t)model_id[i];
}
env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
}
return 0;
}
static void x86_cpuid_get_tsc_freq(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
int64_t value;
value = cpu->env.tsc_khz * 1000;
visit_type_int(v, &value, name, errp);
}
static int x86_cpuid_set_tsc_freq(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
const int64_t min = 0;
const int64_t max = INT64_MAX;
Error *local_err = NULL;
int64_t value;
visit_type_int(v, &value, name, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return -1;
}
if (value < min || value > max) {
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
name ? name : "null", value, min, max);
return -1;
}
cpu->env.tsc_khz = (int)(value / 1000);
return 0;
}
static void x86_cpuid_get_apic_id(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
int64_t value = cpu->env.cpuid_apic_id;
visit_type_int(v, &value, name, errp);
}
static int x86_cpuid_set_apic_id(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(uc, obj);
DeviceState *dev = DEVICE(uc, obj);
const int64_t min = 0;
const int64_t max = UINT32_MAX;
Error *error = NULL;
int64_t value;
if (dev->realized) {
error_setg(errp, "Attempt to set property '%s' on '%s' after "
"it was realized", name, object_get_typename(obj));
return -1;
}
visit_type_int(v, &value, name, &error);
if (error) {
error_propagate(errp, error);
return -1;
}
if (value < min || value > max) {
error_setg(errp, "Property %s.%s doesn't take value %" PRId64
" (minimum: %" PRId64 ", maximum: %" PRId64 ")" ,
object_get_typename(obj), name, value, min, max);
return -1;
}
if ((value != cpu->env.cpuid_apic_id) && cpu_exists(uc, value)) {
error_setg(errp, "CPU with APIC ID %" PRIi64 " exists", value);
return -1;
}
cpu->env.cpuid_apic_id = (uint32_t)value;
return 0;
}
/* Generic getter for "feature-words" and "filtered-features" properties */
static void x86_cpu_get_feature_words(struct uc_struct *uc, Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
uint32_t *array = (uint32_t *)opaque;
FeatureWord w;
Error *err = NULL;
// These all get setup below, so no need to initialise them here.
X86CPUFeatureWordInfo word_infos[FEATURE_WORDS];
X86CPUFeatureWordInfoList list_entries[FEATURE_WORDS];
X86CPUFeatureWordInfoList *list = NULL;
for (w = 0; w < FEATURE_WORDS; w++) {
FeatureWordInfo *wi = &feature_word_info[w];
X86CPUFeatureWordInfo *qwi = &word_infos[w];
qwi->cpuid_input_eax = wi->cpuid_eax;
qwi->has_cpuid_input_ecx = wi->cpuid_needs_ecx;
qwi->cpuid_input_ecx = wi->cpuid_ecx;
qwi->cpuid_register = x86_reg_info_32[wi->cpuid_reg].qapi_enum;
qwi->features = array[w];
/* List will be in reverse order, but order shouldn't matter */
list_entries[w].next = list;
list_entries[w].value = &word_infos[w];
list = &list_entries[w];
}
visit_type_X86CPUFeatureWordInfoList(v, &list, "feature-words", &err);
error_propagate(errp, err);
}
#endif
/* Convert all '_' in a feature string option name to '-', to make feature
* name conform to QOM property naming rule, which uses '-' instead of '_'.
*/
@ -1707,41 +1357,16 @@ static int x86_cpu_filter_features(X86CPU *cpu)
static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def)
{
CPUX86State *env = &cpu->env;
#if 0
const char *vendor;
#endif
FeatureWord w;
#if 0
object_property_set_int(env->uc, OBJECT(cpu), def->level, "level", errp);
object_property_set_int(env->uc, OBJECT(cpu), def->family, "family", errp);
object_property_set_int(env->uc, OBJECT(cpu), def->model, "model", errp);
object_property_set_int(env->uc, OBJECT(cpu), def->stepping, "stepping", errp);
object_property_set_int(env->uc, OBJECT(cpu), def->xlevel, "xlevel", errp);
#endif
env->cpuid_xlevel2 = def->xlevel2;
cpu->cache_info_passthrough = def->cache_info_passthrough;
#if 0
object_property_set_str(env->uc, OBJECT(cpu), def->model_id, "model-id", errp);
#endif
for (w = 0; w < FEATURE_WORDS; w++) {
env->features[w] = def->features[w];
}
env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR;
#if 0
/* sysenter isn't supported in compatibility mode on AMD,
* syscall isn't supported in compatibility mode on Intel.
* Normally we advertise the actual CPU vendor, but you can
* override this using the 'vendor' property if you want to use
* KVM's sysenter/syscall emulation in compatibility mode and
* when doing cross vendor migration
*/
vendor = def->vendor;
object_property_set_str(env->uc, OBJECT(cpu), vendor, "vendor", errp);
#endif
}
#if !defined(CONFIG_USER_ONLY)
@ -2291,42 +1916,6 @@ static void x86_cpu_initfn(struct uc_struct *uc, CPUState *obj, void *opaque)
cs->env_ptr = env;
cpu_exec_init(env, opaque);
#if 0
object_property_add(obj, "family", "int",
x86_cpuid_version_get_family,
x86_cpuid_version_set_family, NULL, NULL, NULL);
object_property_add(obj, "model", "int",
x86_cpuid_version_get_model,
x86_cpuid_version_set_model, NULL, NULL, NULL);
object_property_add(obj, "stepping", "int",
x86_cpuid_version_get_stepping,
x86_cpuid_version_set_stepping, NULL, NULL, NULL);
object_property_add(obj, "level", "int",
x86_cpuid_get_level,
x86_cpuid_set_level, NULL, NULL, NULL);
object_property_add(obj, "xlevel", "int",
x86_cpuid_get_xlevel,
x86_cpuid_set_xlevel, NULL, NULL, NULL);
object_property_add_str(obj, "vendor",
x86_cpuid_get_vendor,
x86_cpuid_set_vendor, NULL);
object_property_add_str(obj, "model-id",
x86_cpuid_get_model_id,
x86_cpuid_set_model_id, NULL);
object_property_add(obj, "tsc-frequency", "int",
x86_cpuid_get_tsc_freq,
x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
object_property_add(obj, "apic-id", "int",
x86_cpuid_get_apic_id,
x86_cpuid_set_apic_id, NULL, NULL, NULL);
object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo",
x86_cpu_get_feature_words,
NULL, NULL, (void *)env->features, NULL);
object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo",
x86_cpu_get_feature_words,
NULL, NULL, (void *)cpu->filtered_features, NULL);
#endif
cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY;
env->cpuid_apic_id = x86_cpu_apic_id_from_index(cs->cpu_index);
@ -2371,14 +1960,12 @@ static bool x86_cpu_has_work(CPUState *cs)
X86CPU *cpu = X86_CPU(cs->uc, cs);
CPUX86State *env = &cpu->env;
#if !defined(CONFIG_USER_ONLY)
if (cs->interrupt_request & CPU_INTERRUPT_POLL) {
#if 0
apic_poll_irq(cpu->apic_state);
#endif
cpu_reset_interrupt(cs, CPU_INTERRUPT_POLL);
}
#endif
return ((cs->interrupt_request & CPU_INTERRUPT_HARD) &&
(env->eflags & IF_MASK)) ||