perikiyoxd/exectos
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Rework BlGetMemoryMap() routine to use EFI_MEMORY_MAP structure; map EfiBootServicesData instead of EfiReservedMemoryType

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This commit is contained in:
Rafal Kupiec
2022-12-20 18:59:36 +01:00
parent acda7aa37c
commit edee9a8ec6
5 changed files with 83 additions and 77 deletions
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11
xtldr/amd64/memory.c
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@@ -61,16 +61,19 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
IN PEFI_LOADED_IMAGE_PROTOCOL ImageProtocol,
IN PVOID *PtePointer)
{
UINT_PTR MapKey, DescriptorSize, DescriptorCount;
PEFI_MEMORY_DESCRIPTOR MemoryMap = NULL;
PLOADER_MEMORY_MAPPING Mapping;
EFI_PHYSICAL_ADDRESS Address;
PEFI_MEMORY_MAP MemoryMap;
PLIST_ENTRY ListEntry;
EFI_STATUS Status;
PVOID Stack;
/* Allocate and zero-fill buffer for EFI memory map */
BlEfiMemoryAllocatePool(sizeof(EFI_MEMORY_MAP), (PVOID*)&MemoryMap);
RtlZeroMemory(MemoryMap, sizeof(EFI_MEMORY_MAP));
/* Get EFI memory map */
Status = BlGetMemoryMap(&MemoryMap, &MapKey, &DescriptorSize, &DescriptorCount);
Status = BlGetMemoryMap(MemoryMap);
if(Status != STATUS_EFI_SUCCESS)
{
/* Unable to get memory map */
@@ -144,7 +147,7 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
/* Exit EFI Boot Services */
BlDbgPrint(L"Exiting EFI boot services\n");
EfiSystemTable->BootServices->ExitBootServices(EfiImageHandle, MapKey);
EfiSystemTable->BootServices->ExitBootServices(EfiImageHandle, MemoryMap->MapKey);
/* Write PML4 to CR3 */
HlWriteCR3((UINT_PTR)*PtePointer);