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[NTOS:KE] Don't hardcode pool tag and TSS flag values (#6051)

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Co-authored-by: Serge Gautherie <32623169+SergeGautherie@users.noreply.github.com>
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Hermès Bélusca-Maïto 2023-11-20 21:35:57 +01:00
parent 6e449d47e8
commit 2f0a5e546f
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GPG key ID: 3B2539C65E7B93D0
1 changed files with 4 additions and 4 deletions
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8
ntoskrnl/ke/i386/mproc.c
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@ -48,7 +48,7 @@ KeStartAllProcessors(VOID)
DPCStack = NULL; DPCStack = NULL;
// Allocate structures for a new CPU. // Allocate structures for a new CPU.
APInfo = ExAllocatePoolZero(NonPagedPool, sizeof(APINFO), ' eK'); APInfo = ExAllocatePoolZero(NonPagedPool, sizeof(*APInfo), TAG_KERNEL);
if (!APInfo) if (!APInfo)
break; break;
ASSERT(ALIGN_DOWN_POINTER_BY(APInfo, PAGE_SIZE) == APInfo); ASSERT(ALIGN_DOWN_POINTER_BY(APInfo, PAGE_SIZE) == APInfo);
@ -83,7 +83,7 @@ KeStartAllProcessors(VOID)
KiSetGdtDescriptorBase(KiGetGdtEntry(&APInfo->Gdt, KGDT_TSS), (ULONG_PTR)&APInfo->Tss); KiSetGdtDescriptorBase(KiGetGdtEntry(&APInfo->Gdt, KGDT_TSS), (ULONG_PTR)&APInfo->Tss);
// Clear TSS Busy flag (aka set the type to "TSS (Available)") // Clear TSS Busy flag (aka set the type to "TSS (Available)")
KiGetGdtEntry(&APInfo->Gdt, KGDT_TSS)->HighWord.Bits.Type = 0b1001; KiGetGdtEntry(&APInfo->Gdt, KGDT_TSS)->HighWord.Bits.Type = I386_TSS;
APInfo->TssDoubleFault.Esp0 = (ULONG_PTR)&APInfo->NMIStackData; APInfo->TssDoubleFault.Esp0 = (ULONG_PTR)&APInfo->NMIStackData;
APInfo->TssDoubleFault.Esp = (ULONG_PTR)&APInfo->NMIStackData; APInfo->TssDoubleFault.Esp = (ULONG_PTR)&APInfo->NMIStackData;
@ -146,11 +146,11 @@ KeStartAllProcessors(VOID)
ProcessorCount--; ProcessorCount--;
if (APInfo) if (APInfo)
ExFreePoolWithTag(APInfo, ' eK'); ExFreePoolWithTag(APInfo, TAG_KERNEL);
if (KernelStack) if (KernelStack)
MmDeleteKernelStack(KernelStack, FALSE); MmDeleteKernelStack(KernelStack, FALSE);
if (DPCStack) if (DPCStack)
MmDeleteKernelStack(DPCStack, FALSE); MmDeleteKernelStack(DPCStack, FALSE);
DPRINT1("KeStartAllProcessors: Sucessful AP startup count is %u\n", ProcessorCount); DPRINT1("KeStartAllProcessors: Successful AP startup count is %u\n", ProcessorCount);
} }