target/i386: mark CR4.FRED not reserved
The CR4.FRED bit, i.e., CR4[32], is no longer a reserved bit when FRED is exposed to guests, otherwise it is still a reserved bit. Tested-by: Shan Kang <shan.kang@intel.com> Signed-off-by: Xin Li <xin3.li@intel.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Message-ID: <20231109072012.8078-3-xin3.li@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
parent
c1acad9f72
commit
f88ddc40c6
@ -261,6 +261,18 @@ typedef enum X86Seg {
|
|||||||
#define CR4_PKS_MASK (1U << 24)
|
#define CR4_PKS_MASK (1U << 24)
|
||||||
#define CR4_LAM_SUP_MASK (1U << 28)
|
#define CR4_LAM_SUP_MASK (1U << 28)
|
||||||
|
|
||||||
|
#ifdef TARGET_X86_64
|
||||||
|
#define CR4_FRED_MASK (1ULL << 32)
|
||||||
|
#else
|
||||||
|
#define CR4_FRED_MASK 0
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef TARGET_X86_64
|
||||||
|
#define CR4_FRED_MASK (1ULL << 32)
|
||||||
|
#else
|
||||||
|
#define CR4_FRED_MASK 0
|
||||||
|
#endif
|
||||||
|
|
||||||
#define CR4_RESERVED_MASK \
|
#define CR4_RESERVED_MASK \
|
||||||
(~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
|
(~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
|
||||||
| CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
|
| CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
|
||||||
@ -269,7 +281,7 @@ typedef enum X86Seg {
|
|||||||
| CR4_LA57_MASK \
|
| CR4_LA57_MASK \
|
||||||
| CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
|
| CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
|
||||||
| CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK \
|
| CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK \
|
||||||
| CR4_LAM_SUP_MASK))
|
| CR4_LAM_SUP_MASK | CR4_FRED_MASK))
|
||||||
|
|
||||||
#define DR6_BD (1 << 13)
|
#define DR6_BD (1 << 13)
|
||||||
#define DR6_BS (1 << 14)
|
#define DR6_BS (1 << 14)
|
||||||
@ -2613,6 +2625,9 @@ static inline uint64_t cr4_reserved_bits(CPUX86State *env)
|
|||||||
if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_LAM)) {
|
if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_LAM)) {
|
||||||
reserved_bits |= CR4_LAM_SUP_MASK;
|
reserved_bits |= CR4_LAM_SUP_MASK;
|
||||||
}
|
}
|
||||||
|
if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_FRED)) {
|
||||||
|
reserved_bits |= CR4_FRED_MASK;
|
||||||
|
}
|
||||||
return reserved_bits;
|
return reserved_bits;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user