xt-sys/exectos
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Add full paging support for AMD64 and i686 architectures, including PAE support
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This commit is contained in:
Rafal Kupiec
2022-12-11 20:14:04 +01:00
parent 324a88cc01
commit 0572b208f1
6 changed files with 502 additions and 11 deletions
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4
xtldr/includes/blproto.h
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@@ -17,11 +17,12 @@
typedef EFI_STATUS (*PBL_ADD_VIRTUAL_MEMORY_MAPPING)(IN PLIST_ENTRY MemoryMappings, IN PVOID VirtualAddress, IN PVOID PhysicalAddress, IN UINT NumberOfPages, LOADER_MEMORY_TYPE MemoryType);
typedef EFI_STATUS (*PBL_ALLOCATE_PAGES)(IN UINT64 Size, OUT PEFI_PHYSICAL_ADDRESS Memory);
typedef EFI_STATUS (*PBL_ALLOCATE_POOL)(IN UINT_PTR Size, OUT PVOID *Memory);
typedef EFI_STATUS (*PBL_ENABLE_PAGING)(IN PLIST_ENTRY MemoryMappings, IN PVOID VirtualAddress, IN PEFI_LOADED_IMAGE_PROTOCOL ImageProtocol, IN PVOID *PtePointer);
typedef EFI_STATUS (*PBL_FREE_PAGES)(IN UINT64 Size, IN EFI_PHYSICAL_ADDRESS Memory);
typedef EFI_STATUS (*PBL_FREE_POOL)(IN PVOID Memory);
typedef EFI_STATUS (*PBL_GET_MEMORY_MAP)(OUT PEFI_MEMORY_DESCRIPTOR *MemoryMap, OUT PUINT_PTR MapKey, OUT PUINT_PTR DescriptorSize, OUT PUINT_PTR DescriptorCount);
typedef EFI_STATUS (*PBL_INIT_VIRTUAL_MEMORY)(IN OUT PLIST_ENTRY MemoryMappings, IN OUT PVOID *MemoryMapAddress);
typedef EFI_STATUS (*PBL_MAP_VIRTUAL_MEMORY)(IN PLIST_ENTRY MemoryMappings, IN UINT_PTR VirtualAddress, IN UINT_PTR PhysicalAddress, IN UINT NumberOfPages, IN OUT PVOID *PtePointer);
typedef EFI_STATUS (*PBL_MAP_VIRTUAL_MEMORY)(IN PLIST_ENTRY MemoryMappings, IN UINT_PTR VirtualAddress, IN UINT_PTR PhysicalAddress, IN UINT NumberOfPages, IN BOOLEAN PaeExtension, IN OUT PVOID *PtePointer);
typedef VOID (*PBL_GET_STACK)(OUT PVOID *Stack);
typedef VOID (*PBL_DBG_PRINT)(IN PUINT16 Format, IN ...);
typedef VOID (*PBL_EFI_PRINT)(IN PUINT16 Format, IN ...);
@@ -36,6 +37,7 @@ typedef struct _XT_BOOT_LOADER_PROTOCOL
PBL_ALLOCATE_POOL AllocatePool;
PBL_FREE_PAGES FreePages;
PBL_FREE_POOL FreePool;
PBL_ENABLE_PAGING EnablePaging;
PBL_GET_MEMORY_MAP GetMemoryMap;
PBL_INIT_VIRTUAL_MEMORY InitializeVirtualMemory;
PBL_MAP_VIRTUAL_MEMORY MapVirtualMemory;

7
xtldr/includes/xtbl.h
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@@ -92,6 +92,12 @@ VOID
BlEfiPrint(IN PUINT16 Format,
IN ...);
EFI_STATUS
BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
IN PVOID VirtualAddress,
IN PEFI_LOADED_IMAGE_PROTOCOL ImageProtocol,
IN PVOID *PtePointer);
EFI_STATUS
BlEnumerateEfiBlockDevices();
@@ -126,6 +132,7 @@ BlMapVirtualMemory(IN PLIST_ENTRY MemoryMappings,
IN UINT_PTR VirtualAddress,
IN UINT_PTR PhysicalAddress,
IN UINT NumberOfPages,
IN BOOLEAN PaeExtension,
IN OUT PVOID *PtePointer);
EFI_STATUS