xt-sys/exectos
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Store page map level
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This commit is contained in:
Rafal Kupiec 2024-04-07 17:49:24 +02:00
parent 388ac1a8c2
commit 7193e698f1
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
5 changed files with 13 additions and 1 deletions
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1
sdk/xtdk/xtfw.h
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@ -108,6 +108,7 @@ typedef struct _LOADER_GRAPHICS_INFORMATION_BLOCK
typedef struct _LOADER_INFORMATION_BLOCK typedef struct _LOADER_INFORMATION_BLOCK
{ {
PVOID DbgPrint; PVOID DbgPrint;
ULONG PageMapLevel;
LOADER_GRAPHICS_INFORMATION_BLOCK FrameBuffer; LOADER_GRAPHICS_INFORMATION_BLOCK FrameBuffer;
} LOADER_INFORMATION_BLOCK, *PLOADER_INFORMATION_BLOCK; } LOADER_INFORMATION_BLOCK, *PLOADER_INFORMATION_BLOCK;

3
xtldr/modules/xtos_o/xtos.c
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@ -468,6 +468,9 @@ XtpInitializeLoaderBlock(IN PXTBL_PAGE_MAPPING PageMap,
LoaderBlock->LoaderInformation.FrameBuffer.Initialized = FALSE; LoaderBlock->LoaderInformation.FrameBuffer.Initialized = FALSE;
} }
/* Store page map level */
LoaderBlock->LoaderInformation.PageMapLevel = 3;
/* Close FrameBuffer protocol */ /* Close FrameBuffer protocol */
XtLdrProtocol->Protocol.Close(ProtocolHandle, &FrameBufGuid); XtLdrProtocol->Protocol.Close(ProtocolHandle, &FrameBufGuid);

3
xtoskrnl/includes/globals.h
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@ -57,4 +57,7 @@ EXTERN ULONG MmNumberOfPhysicalPages;
/* Old biggest free memory descriptor */ /* Old biggest free memory descriptor */
EXTERN LOADER_MEMORY_MAPPING MmOldFreeDescriptor; EXTERN LOADER_MEMORY_MAPPING MmOldFreeDescriptor;
/* Page Map Level */
EXTERN ULONG MmPageMapLevel;
#endif /* __XTOSKRNL_GLOBALS_H */ #endif /* __XTOSKRNL_GLOBALS_H */

3
xtoskrnl/mm/globals.c
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@ -23,3 +23,6 @@ ULONG MmNumberOfPhysicalPages;
/* Old biggest free memory descriptor */ /* Old biggest free memory descriptor */
LOADER_MEMORY_MAPPING MmOldFreeDescriptor; LOADER_MEMORY_MAPPING MmOldFreeDescriptor;
/* Page Map Level */
ULONG MmPageMapLevel;

4
xtoskrnl/mm/init.c
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@ -31,6 +31,9 @@ MmInitializeMemoryManager(VOID)
KePanic(0); KePanic(0);
} }
/* Store Page Map Level */
MmPageMapLevel = KeInitializationBlock->LoaderInformation.PageMapLevel;
/* Proceed with architecture specific initialization */ /* Proceed with architecture specific initialization */
MmpInitializeArchitecture(); MmpInitializeArchitecture();
} }
@ -108,7 +111,6 @@ MmpScanMemoryDescriptors(VOID)
/* Store original free descriptor */ /* Store original free descriptor */
RtlCopyMemory(&MmOldFreeDescriptor, MmFreeDescriptor, sizeof(LOADER_MEMORY_MAPPING)); RtlCopyMemory(&MmOldFreeDescriptor, MmFreeDescriptor, sizeof(LOADER_MEMORY_MAPPING));
} }
/** Checks whether the specified memory type should be considered as free. /** Checks whether the specified memory type should be considered as free.