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Conform BlExitBootServices() to UEFI Specification

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This commit is contained in:
Rafal Kupiec
2024-01-10 21:59:51 +01:00
parent a6d4f157b6
commit 11979f758b
5 changed files with 40 additions and 73 deletions
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32
xtldr/modules/xtos_o/amd64/memory.c
View File

@@ -37,7 +37,6 @@ XtEnablePaging(IN PLIST_ENTRY MemoryMappings,
{
PLOADER_MEMORY_MAPPING Mapping;
EFI_PHYSICAL_ADDRESS Address;
PEFI_MEMORY_MAP MemoryMap;
PLIST_ENTRY ListEntry, ModulesList, ModulesListEntry;
PXTBL_MODULE_INFO ModuleInfo;
EFI_STATUS Status;
@@ -120,39 +119,12 @@ XtEnablePaging(IN PLIST_ENTRY MemoryMappings,
/* Map zero page as well */
XtMapVirtualMemory(MemoryMappings, 0, 0, 1, PtePointer);
/* Allocate and zero-fill buffer for EFI memory map */
XtLdrProtocol->Memory.AllocatePool(sizeof(EFI_MEMORY_MAP), (PVOID*)&MemoryMap);
RtlZeroMemory(MemoryMap, sizeof(EFI_MEMORY_MAP));
/* Get EFI memory map and prepare for exiting boot services */
XtLdrProtocol->Debug.Print(L"Exiting EFI boot services\n");
Status = XtLdrProtocol->Memory.GetMemoryMap(MemoryMap);
if(Status != STATUS_EFI_SUCCESS)
{
/* Unable to get memory map */
return Status;
}
/* Exit EFI Boot Services */
Status = XtLdrProtocol->Util.ExitBootServices(MemoryMap->MapKey);
/* Check if exitted boot services successfully */
XtLdrProtocol->Debug.Print(L"Exiting EFI boot services\n");
Status = XtLdrProtocol->Util.ExitBootServices();
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to exit boot services */
Status = XtLdrProtocol->Memory.GetMemoryMap(MemoryMap);
if(Status != STATUS_EFI_SUCCESS)
{
/* Unable to get memory map */
return Status;
}
Status = XtLdrProtocol->Util.ExitBootServices(MemoryMap->MapKey);
}
/* Check if exitted boot services successfully */
if(Status != STATUS_EFI_SUCCESS)
{
XtLdrProtocol->Console.Print(L"Failed to exit boot services (Status code: %lx)\n", Status);
return STATUS_EFI_ABORTED;
}

31
xtldr/modules/xtos_o/i686/memory.c
View File

@@ -218,36 +218,9 @@ XtEnablePaging(IN PLIST_ENTRY MemoryMappings,
/* Map zero page as well */
XtMapVirtualMemory(MemoryMappings, 0, 0, 1, PtePointer);
/* Zero-fill buffer for EFI memory map */
RtlZeroMemory(MemoryMap, sizeof(EFI_MEMORY_MAP));
/* Get EFI memory map and prepare for exiting boot services */
XtLdrProtocol->Debug.Print(L"Exiting EFI boot services\n");
Status = XtLdrProtocol->Memory.GetMemoryMap(MemoryMap);
if(Status != STATUS_EFI_SUCCESS)
{
/* Unable to get memory map */
return Status;
}
/* Exit EFI Boot Services */
Status = XtLdrProtocol->Util.ExitBootServices(MemoryMap->MapKey);
/* Check if exitted boot services successfully */
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to exit boot services */
Status = XtLdrProtocol->Memory.GetMemoryMap(MemoryMap);
if(Status != STATUS_EFI_SUCCESS)
{
/* Unable to get memory map */
return Status;
}
Status = XtLdrProtocol->Util.ExitBootServices(MemoryMap->MapKey);
}
/* Check if exitted boot services successfully */
XtLdrProtocol->Debug.Print(L"Exiting EFI boot services\n");
Status = XtLdrProtocol->Util.ExitBootServices();
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to exit boot services */