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Implement HlHalt() intrinsic routine and add basic definitions for kernel services

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This commit is contained in:
Rafal Kupiec
2022-12-11 23:09:35 +01:00
parent 0572b208f1
commit 9f4db475bb
11 changed files with 80 additions and 13 deletions
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2
xtldr/amd64/memory.c
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@@ -91,7 +91,7 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
/* Map the stack */
BlGetStackPointer(&Stack);
Status = BlAddVirtualMemoryMapping(MemoryMappings, Stack, Stack, XTOS_KERNEL_STACK_SIZE,
Status = BlAddVirtualMemoryMapping(MemoryMappings, Stack, Stack, KERNEL_STACK_SIZE,
LoaderOsloaderStack);
if(Status != STATUS_EFI_SUCCESS)
{

6
xtldr/i686/memory.c
View File

@@ -101,7 +101,7 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
BlDbgPrint(L"Physical Address Extension (PAE) available\n");
/* Calculate physical address based on KSEG0 base */
PhysicalAddress = (UINT_PTR)VirtualAddress - XTOS_VIRTUAL_MEMORY_AREA;
PhysicalAddress = (UINT_PTR)VirtualAddress - KSEG0_BASE;
/* Iterate over all descriptors from memory map to find satisfying address for PDPT */
for(Index = 0; Index < DescriptorCount; Index++)
@@ -142,7 +142,7 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
}
/* Set virtual address based on new PDPT address mapped to KSEG0 base */
VirtualAddress = (void*)(UINT_PTR)(PDPTAddress + EFI_PAGE_SIZE + XTOS_VIRTUAL_MEMORY_AREA);
VirtualAddress = (void*)(UINT_PTR)(PDPTAddress + EFI_PAGE_SIZE + KSEG0_BASE);
/* Set base page frame number */
Address = 0x100000; // MEM_TOP_DOWN ?
@@ -191,7 +191,7 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
/* Map the stack */
BlGetStackPointer(&Stack);
Status = BlAddVirtualMemoryMapping(MemoryMappings, Stack, Stack, XTOS_KERNEL_STACK_SIZE,
Status = BlAddVirtualMemoryMapping(MemoryMappings, Stack, Stack, KERNEL_STACK_SIZE,
LoaderOsloaderStack);
if(Status != STATUS_EFI_SUCCESS)
{

6
xtldr/xtldr.c
View File

@@ -361,7 +361,7 @@ BlStartNewStack()
/* Infinite bootloader loop */
BlEfiPrint(L"System halted!");
for(;;);
HlHalt();
/* Return success */
return STATUS_EFI_SUCCESS;
@@ -437,12 +437,12 @@ BlStartXtLoader(IN EFI_HANDLE ImageHandle,
BlEnumerateEfiBlockDevices();
/* Create new bootloader stack */
BlCreateStack(&EfiLoaderStack, XTOS_KERNEL_STACK_SIZE, &BlStartNewStack);
BlCreateStack(&EfiLoaderStack, KERNEL_STACK_SIZE, &BlStartNewStack);
/* Infinite bootloader loop */
BlDbgPrint(L"ERROR: Unexpected exception occurred, probably did not create a new stack\n");
BlEfiPrint(L"System halted!");
for(;;);
HlHalt();
/* Return success */
return STATUS_EFI_SUCCESS;