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Refactor MMU for multi-paging support and add 5-Level paging #16

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harraiken heeft 35 commits samengevoegd van harraiken_mm naar master 2025-08-23 20:03:56 +02:00
Discussie 0 Commits 35 Bestanden gewijzigd 42 +23
4 gewijzigde bestanden met toevoegingen van 23 en 0 verwijderingen
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3
sdk/xtdk/amd64/mmtypes.h
Bestand weergeven

@@ -63,6 +63,9 @@
/* Maximum physical address used by HAL allocations */ /* Maximum physical address used by HAL allocations */
#define MM_MAXIMUM_PHYSICAL_ADDRESS 0x00000000FFFFFFFFULL #define MM_MAXIMUM_PHYSICAL_ADDRESS 0x00000000FFFFFFFFULL
/* Trampoline code address */
#define MM_TRAMPOLINE_ADDRESS 0x80000
/* Page size enumeration list */ /* Page size enumeration list */
typedef enum _PAGE_SIZE typedef enum _PAGE_SIZE
{ {

2
sdk/xtdk/i686/mmtypes.h
Bestand weergeven

@@ -53,6 +53,8 @@
/* Maximum physical address used by HAL allocations */ /* Maximum physical address used by HAL allocations */
#define MM_MAXIMUM_PHYSICAL_ADDRESS 0xFFFFFFFF #define MM_MAXIMUM_PHYSICAL_ADDRESS 0xFFFFFFFF
/* Trampoline code address */
#define MM_TRAMPOLINE_ADDRESS 0x80000
/* Page size enumeration list */ /* Page size enumeration list */
typedef enum _PAGE_SIZE typedef enum _PAGE_SIZE

9
xtldr/arch/amd64/memory.c
Bestand weergeven

@@ -54,6 +54,15 @@ BlBuildPageMap(IN PXTBL_PAGE_MAPPING PageMap,
return Status; return Status;
} }
/* Map the trampoline code area */
Status = BlMapVirtualMemory(PageMap, (PVOID)MM_TRAMPOLINE_ADDRESS,(PVOID)MM_TRAMPOLINE_ADDRESS,
1, LoaderFirmwareTemporary);
if(Status != STATUS_EFI_SUCCESS)
{
/* Mapping trampoline code failed */
return Status;
}
/* Get list of XTLDR modules */ /* Get list of XTLDR modules */
ModulesList = BlGetModulesList(); ModulesList = BlGetModulesList();
ModulesListEntry = ModulesList->Flink; ModulesListEntry = ModulesList->Flink;

9
xtldr/arch/i686/memory.c
Bestand weergeven

@@ -90,6 +90,15 @@ BlBuildPageMap(IN PXTBL_PAGE_MAPPING PageMap,
return Status; return Status;
} }
/* Map the trampoline code area */
Status = BlMapVirtualMemory(PageMap, (PVOID)MM_TRAMPOLINE_ADDRESS,(PVOID)MM_TRAMPOLINE_ADDRESS,
1, LoaderFirmwareTemporary);
if(Status != STATUS_EFI_SUCCESS)
{
/* Mapping trampoline code failed */
return Status;
}
/* Get list of XTLDR modules */ /* Get list of XTLDR modules */
ModulesList = BlGetModulesList(); ModulesList = BlGetModulesList();
ModulesListEntry = ModulesList->Flink; ModulesListEntry = ModulesList->Flink;