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[NTOS:KE/x64] Factor out KiInitializeP0BootStructures

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This commit is contained in:
Timo Kreuzer 2023-12-02 16:42:20 +02:00
parent e655594609
commit d2a3b1c791
1 changed files with 25 additions and 15 deletions
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40
ntoskrnl/ke/amd64/kiinit.c
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@ -279,6 +279,29 @@ KiInitializeTss(
Tss->Ist[3] = (ULONG64)NmiStack; Tss->Ist[3] = (ULONG64)NmiStack;
} }
CODE_SEG("INIT")
static
VOID
KiInitializeP0BootStructures(
_Inout_ PLOADER_PARAMETER_BLOCK LoaderBlock)
{
/* Set the initial stack, idle thread and process for processor 0 */
LoaderBlock->KernelStack = (ULONG_PTR)KiP0BootStack;
LoaderBlock->Thread = (ULONG_PTR)&KiInitialThread;
LoaderBlock->Process = (ULONG_PTR)&KiInitialProcess.Pcb;
LoaderBlock->Prcb = (ULONG_PTR)&KiInitialPcr.Prcb;
/* Initialize the PCR */
KiInitializePcr(&KiInitialPcr, 0, &KiInitialThread.Tcb, KiP0DoubleFaultStack);
/* Setup the TSS descriptors and entries */
KiInitializeTss(&KiInitialPcr,
KiInitialPcr.TssBase,
KiP0BootStack,
KiP0DoubleFaultStack,
KiP0DoubleFaultStack);
}
CODE_SEG("INIT") CODE_SEG("INIT")
VOID VOID
NTAPI NTAPI
@ -436,21 +459,8 @@ KiSystemStartup(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
/* Save the loader block */ /* Save the loader block */
KeLoaderBlock = LoaderBlock; KeLoaderBlock = LoaderBlock;
/* Set the initial stack, idle thread and process */ /* Prepare LoaderBlock, PCR, TSS with the P0 boot data */
LoaderBlock->KernelStack = (ULONG_PTR)KiP0BootStack; KiInitializeP0BootStructures(LoaderBlock);
LoaderBlock->Thread = (ULONG_PTR)&KiInitialThread;
LoaderBlock->Process = (ULONG_PTR)&KiInitialProcess.Pcb;
LoaderBlock->Prcb = (ULONG_PTR)&KiInitialPcr.Prcb;
/* Initialize the PCR */
KiInitializePcr(&KiInitialPcr, 0, &KiInitialThread.Tcb, KiP0DoubleFaultStack);
/* Setup the TSS descriptors and entries */
KiInitializeTss(&KiInitialPcr,
KiInitialPcr.TssBase,
KiP0BootStack,
KiP0DoubleFaultStack,
KiP0DoubleFaultStack);
} }
/* Get Pcr from loader block */ /* Get Pcr from loader block */