67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtoskrnl/ke/krnlinit.c
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* DESCRIPTION: XT kernel initialization
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* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
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*/
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#include <xtos.h>
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/**
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* This routine starts up the XT kernel. It is called by boot loader.
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*
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* @param Parameters
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* Supplies a pointer to memory area containing parameters passed to kernel by bootloader.
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*
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* @return This routine does not return any value.
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*
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* @since XT 1.0
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*/
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XTAPI
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VOID
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KeStartXtSystem(IN PKERNEL_INITIALIZATION_BLOCK Parameters)
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{
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/* Check if debugging enabled and if boot loader provided routine for debug printing */
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if(DBG && Parameters->LoaderInformation.DbgPrint)
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{
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/* Use loader's provided DbgPrint() routine for early printing to serial console */
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LdrPrint = Parameters->LoaderInformation.DbgPrint;
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}
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/* Make sure kernel boot stack is initialized */
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if(!Parameters->KernelBootStack)
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{
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/* Initialize kernel boot stack */
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LDRPRINT(L"Initializing kernel boot stack\n");
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Parameters->KernelBootStack = (ULONG_PTR)&KepKernelBootStackData[KERNEL_STACK_SIZE];
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}
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/* Make sure kernel fault stack is initialized */
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if(!Parameters->KernelFaultStack)
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{
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/* Initialize kernel fault stack */
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LDRPRINT(L"Initializing kernel fault stack\n");
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Parameters->KernelFaultStack = (ULONG_PTR)&KepKernelFaultStackData[KERNEL_STACK_SIZE];
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}
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/* Print some message to serial console */
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LDRPRINT(L"Hello world from ExectOS kernel!\n");
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/* Test kernel parameters */
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LDRPRINT(L"\n\n------ Kernel parameters block ------\n"
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L"Loader block size: %lu\n"
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L"Loader block version: %lu\n"
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L"EFI Revision: %lu\n"
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L"EFI RunTime Revision: %lu\n",
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Parameters->Size,
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Parameters->Version,
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Parameters->FirmwareInformation.EfiFirmware.EfiVersion,
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((PEFI_RUNTIME_SERVICES) Parameters->FirmwareInformation.EfiFirmware.EfiRuntimeServices)->Hdr.Revision
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);
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/* Enter infinite kernel thread loop */
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for(;;);
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}
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