perikiyoxd/exectos
1
0
Fork 0
forked from xt-sys/exectos
Code Pull Requests Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

4
xtldr/amd64/memory.c
View File

@@ -120,10 +120,6 @@ BlEnablePaging(IN PLIST_ENTRY MemoryMappings,
return STATUS_EFI_ABORTED; 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 */ /* Write PML4 to CR3 */
HlWriteControlRegister(3, (UINT_PTR)*PtePointer); 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; 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) */ /* Enable Physical Address Extension (PAE) */
HlWriteControlRegister(4, HlReadControlRegister(4) | CR4_PAE); HlWriteControlRegister(4, HlReadControlRegister(4) | CR4_PAE);