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Refactor kernel startup code
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This commit is contained in:
Rafal Kupiec 2024-05-12 09:06:24 +02:00
parent eeeb9d6ed7
commit 3d08be4fac
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
2 changed files with 74 additions and 72 deletions
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73
xtoskrnl/ke/amd64/krnlinit.c
View File

@ -20,42 +20,6 @@ XTAPI
VOID
KepInitializeKernel(VOID)
{
PKPROCESSOR_CONTROL_BLOCK Prcb;
ULONG_PTR PageDirectory[2];
PKPROCESS CurrentProcess;
PKTHREAD CurrentThread;
/* Get processor control block and current thread */
Prcb = KeGetCurrentProcessorControlBlock();
CurrentThread = KeGetCurrentThread();
/* Get current process */
CurrentProcess = CurrentThread->ApcState.Process;
/* Initialize CPU power state structures */
PoInitializeProcessorControlBlock(Prcb);
/* Save processor state */
KepSaveProcessorState(&Prcb->ProcessorState);
/* Lower to APC runlevel */
KeLowerRunLevel(APC_LEVEL);
/* Initialize Idle process */
RtlInitializeListHead(&KepProcessListHead);
PageDirectory[0] = 0;
PageDirectory[1] = 0;
KeInitializeProcess(CurrentProcess, 0, 0xFFFFFFFF, PageDirectory, FALSE);
CurrentProcess->Quantum = MAXCHAR;
/* Initialize Idle thread */
KeInitializeThread(CurrentProcess, CurrentThread, NULL, NULL, NULL, NULL, NULL, ArKernelBootStack, TRUE);
CurrentThread->NextProcessor = Prcb->CpuNumber;
CurrentThread->Priority = THREAD_HIGH_PRIORITY;
CurrentThread->State = Running;
CurrentThread->Affinity = (ULONG_PTR)1 << Prcb->CpuNumber;
CurrentThread->WaitRunLevel = DISPATCH_LEVEL;
CurrentProcess->ActiveProcessors |= (ULONG_PTR)1 << Prcb->CpuNumber;
}
/**
@ -91,9 +55,46 @@ XTAPI
VOID
KepStartKernel(VOID)
{
PKPROCESSOR_CONTROL_BLOCK Prcb;
ULONG_PTR PageDirectory[2];
PKPROCESS CurrentProcess;
PKTHREAD CurrentThread;
/* Get processor control block and current thread */
Prcb = KeGetCurrentProcessorControlBlock();
CurrentThread = KeGetCurrentThread();
/* Get current process */
CurrentProcess = CurrentThread->ApcState.Process;
/* Initialize CPU power state structures */
PoInitializeProcessorControlBlock(Prcb);
/* Save processor state */
KepSaveProcessorState(&Prcb->ProcessorState);
/* Lower to APC runlevel */
KeLowerRunLevel(APC_LEVEL);
/* Initialize XTOS kernel */
KepInitializeKernel();
/* Initialize Idle process */
RtlInitializeListHead(&KepProcessListHead);
PageDirectory[0] = 0;
PageDirectory[1] = 0;
KeInitializeProcess(CurrentProcess, 0, 0xFFFFFFFF, PageDirectory, FALSE);
CurrentProcess->Quantum = MAXCHAR;
/* Initialize Idle thread */
KeInitializeThread(CurrentProcess, CurrentThread, NULL, NULL, NULL, NULL, NULL, ArKernelBootStack, TRUE);
CurrentThread->NextProcessor = Prcb->CpuNumber;
CurrentThread->Priority = THREAD_HIGH_PRIORITY;
CurrentThread->State = Running;
CurrentThread->Affinity = (ULONG_PTR)1 << Prcb->CpuNumber;
CurrentThread->WaitRunLevel = DISPATCH_LEVEL;
CurrentProcess->ActiveProcessors |= (ULONG_PTR)1 << Prcb->CpuNumber;
/* Enter infinite loop */
DebugPrint(L"KepStartKernel() finished. Entering infinite loop.\n");
for(;;);

73
xtoskrnl/ke/i686/krnlinit.c
View File

@ -20,42 +20,6 @@ XTAPI
VOID
KepInitializeKernel(VOID)
{
PKPROCESSOR_CONTROL_BLOCK Prcb;
ULONG_PTR PageDirectory[2];
PKPROCESS CurrentProcess;
PKTHREAD CurrentThread;
/* Get processor control block and current thread */
Prcb = KeGetCurrentProcessorControlBlock();
CurrentThread = KeGetCurrentThread();
/* Get current process */
CurrentProcess = CurrentThread->ApcState.Process;
/* Initialize CPU power state structures */
PoInitializeProcessorControlBlock(Prcb);
/* Save processor state */
KepSaveProcessorState(&Prcb->ProcessorState);
/* Lower to APC runlevel */
KeLowerRunLevel(APC_LEVEL);
/* Initialize Idle process */
RtlInitializeListHead(&KepProcessListHead);
PageDirectory[0] = 0;
PageDirectory[1] = 0;
KeInitializeProcess(CurrentProcess, 0, 0xFFFFFFFF, PageDirectory, FALSE);
CurrentProcess->Quantum = MAXCHAR;
/* Initialize Idle thread */
KeInitializeThread(CurrentProcess, CurrentThread, NULL, NULL, NULL, NULL, NULL, ArKernelBootStack, TRUE);
CurrentThread->NextProcessor = Prcb->CpuNumber;
CurrentThread->Priority = THREAD_HIGH_PRIORITY;
CurrentThread->State = Running;
CurrentThread->Affinity = (ULONG_PTR)1 << Prcb->CpuNumber;
CurrentThread->WaitRunLevel = DISPATCH_LEVEL;
CurrentProcess->ActiveProcessors |= (ULONG_PTR)1 << Prcb->CpuNumber;
}
/**
@ -91,9 +55,46 @@ XTAPI
VOID
KepStartKernel(VOID)
{
PKPROCESSOR_CONTROL_BLOCK Prcb;
ULONG_PTR PageDirectory[2];
PKPROCESS CurrentProcess;
PKTHREAD CurrentThread;
/* Get processor control block and current thread */
Prcb = KeGetCurrentProcessorControlBlock();
CurrentThread = KeGetCurrentThread();
/* Get current process */
CurrentProcess = CurrentThread->ApcState.Process;
/* Initialize CPU power state structures */
PoInitializeProcessorControlBlock(Prcb);
/* Save processor state */
KepSaveProcessorState(&Prcb->ProcessorState);
/* Lower to APC runlevel */
KeLowerRunLevel(APC_LEVEL);
/* Initialize XTOS kernel */
KepInitializeKernel();
/* Initialize Idle process */
RtlInitializeListHead(&KepProcessListHead);
PageDirectory[0] = 0;
PageDirectory[1] = 0;
KeInitializeProcess(CurrentProcess, 0, 0xFFFFFFFF, PageDirectory, FALSE);
CurrentProcess->Quantum = MAXCHAR;
/* Initialize Idle thread */
KeInitializeThread(CurrentProcess, CurrentThread, NULL, NULL, NULL, NULL, NULL, ArKernelBootStack, TRUE);
CurrentThread->NextProcessor = Prcb->CpuNumber;
CurrentThread->Priority = THREAD_HIGH_PRIORITY;
CurrentThread->State = Running;
CurrentThread->Affinity = (ULONG_PTR)1 << Prcb->CpuNumber;
CurrentThread->WaitRunLevel = DISPATCH_LEVEL;
CurrentProcess->ActiveProcessors |= (ULONG_PTR)1 << Prcb->CpuNumber;
/* Enter infinite loop */
DebugPrint(L"KepStartKernel() finished. Entering infinite loop.\n");
for(;;);