diff options
Diffstat (limited to 'UefiCpuPkg/Library/MpInitLib/Microcode.c')
| -rw-r--r-- | UefiCpuPkg/Library/MpInitLib/Microcode.c | 105 |
1 files changed, 1 insertions, 104 deletions
diff --git a/UefiCpuPkg/Library/MpInitLib/Microcode.c b/UefiCpuPkg/Library/MpInitLib/Microcode.c index 67e214d463..15629591e2 100644 --- a/UefiCpuPkg/Library/MpInitLib/Microcode.c +++ b/UefiCpuPkg/Library/MpInitLib/Microcode.c @@ -620,109 +620,6 @@ OnExit: }
/**
- Shadow the required microcode patches data into memory according to FIT microcode entry.
-
- @param[in, out] CpuMpData The pointer to CPU MP Data structure.
-
- @return EFI_SUCCESS Microcode patch is shadowed into memory.
- @return EFI_UNSUPPORTED FIT based microcode shadowing is not supported.
- @return EFI_OUT_OF_RESOURCES No enough memory resource.
- @return EFI_NOT_FOUND There is something wrong in FIT microcode entry.
-
-**/
-EFI_STATUS
-ShadowMicrocodePatchByFit (
- IN OUT CPU_MP_DATA *CpuMpData
- )
-{
- UINT64 FitPointer;
- FIRMWARE_INTERFACE_TABLE_ENTRY *FitEntry;
- UINT32 EntryNum;
- UINT32 Index;
- MICROCODE_PATCH_INFO *PatchInfoBuffer;
- UINTN MaxPatchNumber;
- CPU_MICROCODE_HEADER *MicrocodeEntryPoint;
- UINTN PatchCount;
- UINTN TotalSize;
- UINTN TotalLoadSize;
-
- if (!FeaturePcdGet (PcdCpuShadowMicrocodeByFit)) {
- return EFI_UNSUPPORTED;
- }
-
- FitPointer = *(UINT64 *) (UINTN) FIT_POINTER_ADDRESS;
- if ((FitPointer == 0) ||
- (FitPointer == 0xFFFFFFFFFFFFFFFF) ||
- (FitPointer == 0xEEEEEEEEEEEEEEEE)) {
- //
- // No FIT table.
- //
- ASSERT (FALSE);
- return EFI_NOT_FOUND;
- }
- FitEntry = (FIRMWARE_INTERFACE_TABLE_ENTRY *) (UINTN) FitPointer;
- if ((FitEntry[0].Type != FIT_TYPE_00_HEADER) ||
- (FitEntry[0].Address != FIT_TYPE_00_SIGNATURE)) {
- //
- // Invalid FIT table, treat it as no FIT table.
- //
- ASSERT (FALSE);
- return EFI_NOT_FOUND;
- }
-
- EntryNum = *(UINT32 *)(&FitEntry[0].Size[0]) & 0xFFFFFF;
-
- //
- // Calculate microcode entry number
- //
- MaxPatchNumber = 0;
- for (Index = 0; Index < EntryNum; Index++) {
- if (FitEntry[Index].Type == FIT_TYPE_01_MICROCODE) {
- MaxPatchNumber++;
- }
- }
- if (MaxPatchNumber == 0) {
- return EFI_NOT_FOUND;
- }
-
- PatchInfoBuffer = AllocatePool (MaxPatchNumber * sizeof (MICROCODE_PATCH_INFO));
- if (PatchInfoBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- //
- // Fill up microcode patch info buffer according to FIT table.
- //
- PatchCount = 0;
- TotalLoadSize = 0;
- for (Index = 0; Index < EntryNum; Index++) {
- if (FitEntry[Index].Type == FIT_TYPE_01_MICROCODE) {
- MicrocodeEntryPoint = (CPU_MICROCODE_HEADER *) (UINTN) FitEntry[Index].Address;
- TotalSize = (MicrocodeEntryPoint->DataSize == 0) ? 2048 : MicrocodeEntryPoint->TotalSize;
- if (IsMicrocodePatchNeedLoad (CpuMpData, MicrocodeEntryPoint)) {
- PatchInfoBuffer[PatchCount].Address = (UINTN) MicrocodeEntryPoint;
- PatchInfoBuffer[PatchCount].Size = TotalSize;
- TotalLoadSize += TotalSize;
- PatchCount++;
- }
- }
- }
-
- if (PatchCount != 0) {
- DEBUG ((
- DEBUG_INFO,
- "%a: 0x%x microcode patches will be loaded into memory, with size 0x%x.\n",
- __FUNCTION__, PatchCount, TotalLoadSize
- ));
-
- ShadowMicrocodePatchWorker (CpuMpData, PatchInfoBuffer, PatchCount, TotalLoadSize);
- }
-
- FreePool (PatchInfoBuffer);
- return EFI_SUCCESS;
-}
-
-/**
Shadow the required microcode patches data into memory.
@param[in, out] CpuMpData The pointer to CPU MP Data structure.
@@ -734,7 +631,7 @@ ShadowMicrocodeUpdatePatch ( {
EFI_STATUS Status;
- Status = ShadowMicrocodePatchByFit (CpuMpData);
+ Status = PlatformShadowMicrocode (CpuMpData);
if (EFI_ERROR (Status)) {
ShadowMicrocodePatchByPcd (CpuMpData);
}
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