#define REQUIRED_FEATURE_BITS (KF_RDTSC|KF_CR4|KF_CMPXCHG8B|KF_XMMI|KF_XMMI64| \
KF_LARGE_PAGE|KF_FAST_SYSCALL|KF_GLOBAL_PAGE| \
- KF_CMOV|KF_PAT|KF_MMX|KF_FXSR|KF_NX_BIT)
+ KF_CMOV|KF_PAT|KF_MMX|KF_FXSR|KF_NX_BIT|KF_MTRR)
/* GLOBALS *******************************************************************/
+extern BOOLEAN RtlpUse16ByteSLists;
+
/* Function pointer for early debug prints */
ULONG (*FrLdrDbgPrint)(const char *Format, ...);
// KeBugCheckEx(NO_PAGES_AVAILABLE, 2, PAGE_SIZE * 2, 0, 0);
// }
+ /* Initialize 8/16 bit SList support */
+ RtlpUse16ByteSLists = (KeFeatureBits & KF_CMPXCHG16B) ? TRUE: FALSE;
}
VOID
KeI386CpuStep = Prcb->CpuStep;
KeProcessorArchitecture = PROCESSOR_ARCHITECTURE_AMD64;
KeProcessorLevel = (USHORT)Prcb->CpuType;
- if (Prcb->CpuID) KeProcessorRevision = Prcb->CpuStep;
+ if (Prcb->CpuID)
+ KeProcessorRevision = Prcb->CpuStep;
/* Set basic CPU Features that user mode can read */
+ SharedUserData->ProcessorFeatures[PF_COMPARE_EXCHANGE_DOUBLE] = TRUE;
+ SharedUserData->ProcessorFeatures[PF_RDTSC_INSTRUCTION_AVAILABLE] = TRUE;
+ SharedUserData->ProcessorFeatures[PF_PPC_MOVEMEM_64BIT_OK] = TRUE;
+ SharedUserData->ProcessorFeatures[PF_PAE_ENABLED] = TRUE; // ???
+ SharedUserData->ProcessorFeatures[PF_NX_ENABLED] = TRUE;
+ SharedUserData->ProcessorFeatures[PF_FASTFAIL_AVAILABLE] = TRUE;
+ SharedUserData->ProcessorFeatures[PF_XSAVE_ENABLED] = TRUE;
SharedUserData->ProcessorFeatures[PF_MMX_INSTRUCTIONS_AVAILABLE] =
(Prcb->FeatureBits & KF_MMX) ? TRUE: FALSE;
- SharedUserData->ProcessorFeatures[PF_COMPARE_EXCHANGE_DOUBLE] = TRUE;
SharedUserData->ProcessorFeatures[PF_XMMI_INSTRUCTIONS_AVAILABLE] =
((Prcb->FeatureBits & KF_FXSR) && (Prcb->FeatureBits & KF_XMMI)) ? TRUE: FALSE;
SharedUserData->ProcessorFeatures[PF_XMMI64_INSTRUCTIONS_AVAILABLE] =
((Prcb->FeatureBits & KF_FXSR) && (Prcb->FeatureBits & KF_XMMI64)) ? TRUE: FALSE;
SharedUserData->ProcessorFeatures[PF_3DNOW_INSTRUCTIONS_AVAILABLE] =
(Prcb->FeatureBits & KF_3DNOW) ? TRUE: FALSE;
- SharedUserData->ProcessorFeatures[PF_RDTSC_INSTRUCTION_AVAILABLE] = TRUE;
+ SharedUserData->ProcessorFeatures[PF_SSE3_INSTRUCTIONS_AVAILABLE] =
+ (Prcb->FeatureBits & KF_SSE3) ? TRUE: FALSE;
+ SharedUserData->ProcessorFeatures[PF_COMPARE_EXCHANGE128] =
+ (Prcb->FeatureBits & KF_CMPXCHG16B) ? TRUE: FALSE;
/* Set the default NX policy (opt-in) */
SharedUserData->NXSupportPolicy = NX_SUPPORT_POLICY_OPTIN;
SharedUserData->NXSupportPolicy = NX_SUPPORT_POLICY_ALWAYSOFF;
Prcb->FeatureBits |= KF_NX_DISABLED;
}
-
}
static LDR_DATA_TABLE_ENTRY LdrCoreEntries[3];