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Reorganisation of KeStartXtSystem() routine and early debug printing

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This commit is contained in:
Rafal Kupiec
2023-01-04 23:08:59 +01:00
parent b7e5f1b5c1
commit 5730e8692e
4 changed files with 30 additions and 24 deletions
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40
xtoskrnl/ke/krnlinit.c
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@@ -27,14 +27,29 @@ KeStartXtSystem(IN PKERNEL_INITIALIZATION_BLOCK Parameters)
if(DEBUG && Parameters->LoaderInformation.DbgPrint)
{
/* Use loader's provided DbgPrint() routine for early printing to serial console */
LdrPrint = Parameters->LoaderInformation.DbgPrint;
LdrDbgPrint = Parameters->LoaderInformation.DbgPrint;
}
/* Print some message to serial console and test kernel parameters */
LdrPrint(L"Hello world from ExectOS kernel!\n");
LdrPrint(L"\n\n------ Kernel parameters block ------\n"
L"Loader block size: %lu\n"
L"Loader block version: %lu\n"
L"EFI Revision: %lu\n"
L"EFI RunTime Revision: %lu\n\n",
Parameters->Size,
Parameters->Version,
Parameters->FirmwareInformation.EfiFirmware.EfiVersion,
((PEFI_RUNTIME_SERVICES) Parameters->FirmwareInformation.EfiFirmware.EfiRuntimeServices)->Hdr.Revision
);
/* Make sure kernel boot stack is initialized */
if(!Parameters->KernelBootStack)
{
/* Initialize kernel boot stack */
LDRPRINT(L"Initializing kernel boot stack\n");
LdrPrint(L"Initializing kernel boot stack\n");
Parameters->KernelBootStack = (ULONG_PTR)&KepKernelBootStackData[KERNEL_STACK_SIZE];
}
@@ -42,25 +57,10 @@ KeStartXtSystem(IN PKERNEL_INITIALIZATION_BLOCK Parameters)
if(!Parameters->KernelFaultStack)
{
/* Initialize kernel fault stack */
LDRPRINT(L"Initializing kernel fault stack\n");
LdrPrint(L"Initializing kernel fault stack\n");
Parameters->KernelFaultStack = (ULONG_PTR)&KepKernelFaultStackData[KERNEL_STACK_SIZE];
}
/* Print some message to serial console */
LDRPRINT(L"Hello world from ExectOS kernel!\n");
/* Test kernel parameters */
LDRPRINT(L"\n\n------ Kernel parameters block ------\n"
L"Loader block size: %lu\n"
L"Loader block version: %lu\n"
L"EFI Revision: %lu\n"
L"EFI RunTime Revision: %lu\n",
Parameters->Size,
Parameters->Version,
Parameters->FirmwareInformation.EfiFirmware.EfiVersion,
((PEFI_RUNTIME_SERVICES) Parameters->FirmwareInformation.EfiFirmware.EfiRuntimeServices)->Hdr.Revision
);
/* Enter infinite kernel thread loop */
for(;;);
/* Save the kernel initialization block */
KeInitializationBlock = Parameters;
}