diff options
Diffstat (limited to 'target/i386/hvf/hvf-cpu.c')
| -rw-r--r-- | target/i386/hvf/hvf-cpu.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/i386/hvf/hvf-cpu.c b/target/i386/hvf/hvf-cpu.c index 8fbc423888..333db59898 100644 --- a/target/i386/hvf/hvf-cpu.c +++ b/target/i386/hvf/hvf-cpu.c @@ -30,6 +30,33 @@ static void hvf_cpu_max_instance_init(X86CPU *cpu) hvf_get_supported_cpuid(0xC0000000, 0, R_EAX); } +static void hvf_cpu_xsave_init(void) +{ + static bool first = true; + int i; + + if (!first) { + return; + } + first = false; + + /* x87 and SSE states are in the legacy region of the XSAVE area. */ + x86_ext_save_areas[XSTATE_FP_BIT].offset = 0; + x86_ext_save_areas[XSTATE_SSE_BIT].offset = 0; + + for (i = XSTATE_SSE_BIT + 1; i < XSAVE_STATE_AREA_COUNT; i++) { + ExtSaveArea *esa = &x86_ext_save_areas[i]; + + if (esa->size) { + int sz = hvf_get_supported_cpuid(0xd, i, R_EAX); + if (sz != 0) { + assert(esa->size == sz); + esa->offset = hvf_get_supported_cpuid(0xd, i, R_EBX); + } + } + } +} + static void hvf_cpu_instance_init(CPUState *cs) { X86CPU *cpu = X86_CPU(cs); @@ -42,6 +69,8 @@ static void hvf_cpu_instance_init(CPUState *cs) if (cpu->max_features) { hvf_cpu_max_instance_init(cpu); } + + hvf_cpu_xsave_init(); } static void hvf_cpu_accel_class_init(ObjectClass *oc, void *data) |