Revision f8bb0565
| b/target-i386/kvm.c | ||
|---|---|---|
| 411 | 411 |
} |
| 412 | 412 |
} |
| 413 | 413 |
|
| 414 |
#define KVM_MAX_CPUID_ENTRIES 100 |
|
| 414 | 415 |
int kvm_arch_init_vcpu(CPUState *cs) |
| 415 | 416 |
{
|
| 416 | 417 |
struct {
|
| 417 | 418 |
struct kvm_cpuid2 cpuid; |
| 418 |
struct kvm_cpuid_entry2 entries[100];
|
|
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struct kvm_cpuid_entry2 entries[KVM_MAX_CPUID_ENTRIES];
|
|
| 419 | 420 |
} QEMU_PACKED cpuid_data; |
| 420 | 421 |
X86CPU *cpu = X86_CPU(cs); |
| 421 | 422 |
CPUX86State *env = &cpu->env; |
| ... | ... | |
| 502 | 503 |
cpu_x86_cpuid(env, 0, 0, &limit, &unused, &unused, &unused); |
| 503 | 504 |
|
| 504 | 505 |
for (i = 0; i <= limit; i++) {
|
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if (cpuid_i == KVM_MAX_CPUID_ENTRIES) {
|
|
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fprintf(stderr, "unsupported level value: 0x%x\n", limit); |
|
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abort(); |
|
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} |
|
| 505 | 510 |
c = &cpuid_data.entries[cpuid_i++]; |
| 506 | 511 |
|
| 507 | 512 |
switch (i) {
|
| ... | ... | |
| 516 | 521 |
times = c->eax & 0xff; |
| 517 | 522 |
|
| 518 | 523 |
for (j = 1; j < times; ++j) {
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if (cpuid_i == KVM_MAX_CPUID_ENTRIES) {
|
|
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fprintf(stderr, "cpuid_data is full, no space for " |
|
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"cpuid(eax:2):eax & 0xf = 0x%x\n", times); |
|
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abort(); |
|
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} |
|
| 519 | 529 |
c = &cpuid_data.entries[cpuid_i++]; |
| 520 | 530 |
c->function = i; |
| 521 | 531 |
c->flags = KVM_CPUID_FLAG_STATEFUL_FUNC; |
| ... | ... | |
| 544 | 554 |
if (i == 0xd && c->eax == 0) {
|
| 545 | 555 |
continue; |
| 546 | 556 |
} |
| 557 |
if (cpuid_i == KVM_MAX_CPUID_ENTRIES) {
|
|
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fprintf(stderr, "cpuid_data is full, no space for " |
|
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"cpuid(eax:0x%x,ecx:0x%x)\n", i, j); |
|
| 560 |
abort(); |
|
| 561 |
} |
|
| 547 | 562 |
c = &cpuid_data.entries[cpuid_i++]; |
| 548 | 563 |
} |
| 549 | 564 |
break; |
| ... | ... | |
| 557 | 572 |
cpu_x86_cpuid(env, 0x80000000, 0, &limit, &unused, &unused, &unused); |
| 558 | 573 |
|
| 559 | 574 |
for (i = 0x80000000; i <= limit; i++) {
|
| 575 |
if (cpuid_i == KVM_MAX_CPUID_ENTRIES) {
|
|
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fprintf(stderr, "unsupported xlevel value: 0x%x\n", limit); |
|
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abort(); |
|
| 578 |
} |
|
| 560 | 579 |
c = &cpuid_data.entries[cpuid_i++]; |
| 561 | 580 |
|
| 562 | 581 |
c->function = i; |
| ... | ... | |
| 569 | 588 |
cpu_x86_cpuid(env, 0xC0000000, 0, &limit, &unused, &unused, &unused); |
| 570 | 589 |
|
| 571 | 590 |
for (i = 0xC0000000; i <= limit; i++) {
|
| 591 |
if (cpuid_i == KVM_MAX_CPUID_ENTRIES) {
|
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fprintf(stderr, "unsupported xlevel2 value: 0x%x\n", limit); |
|
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abort(); |
|
| 594 |
} |
|
| 572 | 595 |
c = &cpuid_data.entries[cpuid_i++]; |
| 573 | 596 |
|
| 574 | 597 |
c->function = i; |
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