xt-sys/exectos
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Map zero page, like e820 does
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This commit is contained in:
Rafal Kupiec 2023-02-23 00:44:21 +01:00
parent e2c7d0f919
commit 9c083dc050
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
2 changed files with 6 additions and 0 deletions
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3
xtldr/amd64/memory.c
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@ -99,6 +99,9 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
ListEntry = ListEntry->Flink; ListEntry = ListEntry->Flink;
} }
/* Map zero page as well */
BlMapVirtualMemory(MemoryMappings, 0, 0, 1, PtePointer);
/* Allocate and zero-fill buffer for EFI memory map */ /* Allocate and zero-fill buffer for EFI memory map */
BlEfiMemoryAllocatePool(sizeof(EFI_MEMORY_MAP), (PVOID*)&MemoryMap); BlEfiMemoryAllocatePool(sizeof(EFI_MEMORY_MAP), (PVOID*)&MemoryMap);
RtlZeroMemory(MemoryMap, sizeof(EFI_MEMORY_MAP)); RtlZeroMemory(MemoryMap, sizeof(EFI_MEMORY_MAP));

3
xtldr/i686/memory.c
View File

@ -197,6 +197,9 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
ListEntry = ListEntry->Flink; ListEntry = ListEntry->Flink;
} }
/* Map zero page as well */
BlMapVirtualMemory(MemoryMappings, 0, 0, 1, PtePointer);
/* Zero-fill buffer for EFI memory map */ /* Zero-fill buffer for EFI memory map */
RtlZeroMemory(MemoryMap, sizeof(EFI_MEMORY_MAP)); RtlZeroMemory(MemoryMap, sizeof(EFI_MEMORY_MAP));