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Add debug messages to display PML set by bootloader
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Aiken Harris 2025-08-10 18:07:26 +02:00 committed by CodingWorkshop Signing Team
parent 406c0a0cd2
commit bf291613a3
Signed by: CodingWorkshop Signing Team
GPG Key ID: 6DC88369C82795D2
1 changed files with 12 additions and 0 deletions
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12
xtldr/modules/xtos_o/amd64/memory.c
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@ -212,6 +212,18 @@ XtEnablePaging(IN PXTBL_PAGE_MAPPING PageMap)
return STATUS_EFI_ABORTED; return STATUS_EFI_ABORTED;
} }
/* Check the configured page map level to set the LA57 state accordingly */
if(PageMap->PageMapLevel == 5)
{
/* Enable Linear Address 57-bit (LA57) extension */
XtLdrProtocol->Debug.Print(L"Enabling Linear Address 57-bit (LA57)\n");
}
else
{
/* Disable Linear Address 57-bit (LA57) extension */
XtLdrProtocol->Debug.Print(L"Disabling Linear Address 57-bit (LA57)\n");
}
/* Write PML4 to CR3 */ /* Write PML4 to CR3 */
ArWriteControlRegister(3, (UINT_PTR)PageMap->PtePointer); ArWriteControlRegister(3, (UINT_PTR)PageMap->PtePointer);