@@ -548,6 +548,11 @@ typedef enum X86Seg {
#define XSTATE_Hi16_ZMM_MASK (1ULL << XSTATE_Hi16_ZMM_BIT)
#define XSTATE_PKRU_MASK (1ULL << XSTATE_PKRU_BIT)
+#define ESA_FEATURE_ALIGN64_BIT 1
+
+#define ESA_FEATURE_ALIGN64_MASK (1U << ESA_FEATURE_ALIGN64_BIT)
+
+
/* CPUID feature words */
typedef enum FeatureWord {
FEAT_1_EDX, /* CPUID[1].EDX */
@@ -1354,6 +1359,7 @@ QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
typedef struct ExtSaveArea {
uint32_t feature, bits;
uint32_t offset, size;
+ uint32_t ecx;
} ExtSaveArea;
#define XSAVE_STATE_AREA_COUNT (XSTATE_PKRU_BIT + 1)
@@ -5487,6 +5487,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
const ExtSaveArea *esa = &x86_ext_save_areas[count];
*eax = esa->size;
*ebx = esa->offset;
+ *ecx = esa->ecx & ESA_FEATURE_ALIGN64_MASK;
}
}
break;
@@ -105,6 +105,8 @@ static void kvm_cpu_xsave_init(void)
assert(esa->size == sz);
esa->offset = kvm_arch_get_supported_cpuid(s, 0xd, i, R_EBX);
}
+
+ esa->ecx = kvm_arch_get_supported_cpuid(s, 0xd, i, R_ECX);
}
}
}