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Do not call SetVirtualAddressMap() as this might break boot process and runtime services are mapped anyway

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This commit is contained in:
Rafal Kupiec
2023-01-16 21:58:30 +01:00
parent 1a93c198ed
commit bb56641e4b
2 changed files with 0 additions and 8 deletions
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4
xtldr/amd64/memory.c
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@@ -120,10 +120,6 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
return STATUS_EFI_ABORTED;
}
/* No runtime services should touch boot services code, so get rid of it all at this point */
EfiSystemTable->RuntimeServices->SetVirtualAddressMap(MemoryMap->MapSize, MemoryMap->DescriptorSize,
MemoryMap->DescriptorVersion, MemoryMap->Map);
/* Write PML4 to CR3 */
HlWriteControlRegister(3, (UINT_PTR)*PtePointer);

4
xtldr/i686/memory.c
View File

@@ -214,10 +214,6 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
return STATUS_EFI_ABORTED;
}
/* No runtime services should touch boot services code, so get rid of it all at this point */
EfiSystemTable->RuntimeServices->SetVirtualAddressMap(MemoryMap->MapSize, MemoryMap->DescriptorSize,
MemoryMap->DescriptorVersion, MemoryMap->Map);
/* Enable Physical Address Extension (PAE) */
HlWriteControlRegister(4, HlReadControlRegister(4) | CR4_PAE);