UefiCpuPkg: Remove FIT based microcode shadow logic from MpInitLib.

[mirror_edk2.git] / UefiCpuPkg / Library / MpInitLib / Microcode.c

diff --git a/UefiCpuPkg/Library/MpInitLib/Microcode.c b/UefiCpuPkg/Library/MpInitLib/Microcode.c
index 67e214d463d38b030cb4d41960d403126c818a87..15629591e2444cbe217b5946520e73fb35afa24e 100644 (file)
--- a/UefiCpuPkg/Library/MpInitLib/Microcode.c
+++ b/UefiCpuPkg/Library/MpInitLib/Microcode.c
@@ -619,109 +619,6 @@ OnExit:
   return;\r
 }\r
 \r
-/**\r
-  Shadow the required microcode patches data into memory according to FIT microcode entry.\r
-\r
-  @param[in, out]  CpuMpData    The pointer to CPU MP Data structure.\r
-\r
-  @return EFI_SUCCESS           Microcode patch is shadowed into memory.\r
-  @return EFI_UNSUPPORTED       FIT based microcode shadowing is not supported.\r
-  @return EFI_OUT_OF_RESOURCES  No enough memory resource.\r
-  @return EFI_NOT_FOUND         There is something wrong in FIT microcode entry.\r
-\r
-**/\r
-EFI_STATUS\r
-ShadowMicrocodePatchByFit (\r
-  IN OUT CPU_MP_DATA             *CpuMpData\r
-  )\r
-{\r
-  UINT64                            FitPointer;\r
-  FIRMWARE_INTERFACE_TABLE_ENTRY    *FitEntry;\r
-  UINT32                            EntryNum;\r
-  UINT32                            Index;\r
-  MICROCODE_PATCH_INFO              *PatchInfoBuffer;\r
-  UINTN                             MaxPatchNumber;\r
-  CPU_MICROCODE_HEADER              *MicrocodeEntryPoint;\r
-  UINTN                             PatchCount;\r
-  UINTN                             TotalSize;\r
-  UINTN                             TotalLoadSize;\r
-\r
-  if (!FeaturePcdGet (PcdCpuShadowMicrocodeByFit)) {\r
-    return EFI_UNSUPPORTED;\r
-  }\r
-\r
-  FitPointer = *(UINT64 *) (UINTN) FIT_POINTER_ADDRESS;\r
-  if ((FitPointer == 0) ||\r
-      (FitPointer == 0xFFFFFFFFFFFFFFFF) ||\r
-      (FitPointer == 0xEEEEEEEEEEEEEEEE)) {\r
-    //\r
-    // No FIT table.\r
-    //\r
-    ASSERT (FALSE);\r
-    return EFI_NOT_FOUND;\r
-  }\r
-  FitEntry = (FIRMWARE_INTERFACE_TABLE_ENTRY *) (UINTN) FitPointer;\r
-  if ((FitEntry[0].Type != FIT_TYPE_00_HEADER) ||\r
-      (FitEntry[0].Address != FIT_TYPE_00_SIGNATURE)) {\r
-    //\r
-    // Invalid FIT table, treat it as no FIT table.\r
-    //\r
-    ASSERT (FALSE);\r
-    return EFI_NOT_FOUND;\r
-  }\r
-\r
-  EntryNum = *(UINT32 *)(&FitEntry[0].Size[0]) & 0xFFFFFF;\r
-\r
-  //\r
-  // Calculate microcode entry number\r
-  //\r
-  MaxPatchNumber = 0;\r
-  for (Index = 0; Index < EntryNum; Index++) {\r
-    if (FitEntry[Index].Type == FIT_TYPE_01_MICROCODE) {\r
-      MaxPatchNumber++;\r
-    }\r
-  }\r
-  if (MaxPatchNumber == 0) {\r
-    return EFI_NOT_FOUND;\r
-  }\r
-\r
-  PatchInfoBuffer = AllocatePool (MaxPatchNumber * sizeof (MICROCODE_PATCH_INFO));\r
-  if (PatchInfoBuffer == NULL) {\r
-    return EFI_OUT_OF_RESOURCES;\r
-  }\r
-\r
-  //\r
-  // Fill up microcode patch info buffer according to FIT table.\r
-  //\r
-  PatchCount = 0;\r
-  TotalLoadSize = 0;\r
-  for (Index = 0; Index < EntryNum; Index++) {\r
-    if (FitEntry[Index].Type == FIT_TYPE_01_MICROCODE) {\r
-      MicrocodeEntryPoint = (CPU_MICROCODE_HEADER *) (UINTN) FitEntry[Index].Address;\r
-      TotalSize = (MicrocodeEntryPoint->DataSize == 0) ? 2048 : MicrocodeEntryPoint->TotalSize;\r
-      if (IsMicrocodePatchNeedLoad (CpuMpData, MicrocodeEntryPoint)) {\r
-        PatchInfoBuffer[PatchCount].Address     = (UINTN) MicrocodeEntryPoint;\r
-        PatchInfoBuffer[PatchCount].Size        = TotalSize;\r
-        TotalLoadSize += TotalSize;\r
-        PatchCount++;\r
-      }\r
-    }\r
-  }\r
-\r
-  if (PatchCount != 0) {\r
-    DEBUG ((\r
-      DEBUG_INFO,\r
-      "%a: 0x%x microcode patches will be loaded into memory, with size 0x%x.\n",\r
-      __FUNCTION__, PatchCount, TotalLoadSize\r
-      ));\r
-\r
-    ShadowMicrocodePatchWorker (CpuMpData, PatchInfoBuffer, PatchCount, TotalLoadSize);\r
-  }\r
-\r
-  FreePool (PatchInfoBuffer);\r
-  return EFI_SUCCESS;\r
-}\r
-\r
 /**\r
   Shadow the required microcode patches data into memory.\r
 \r
@@ -734,7 +631,7 @@ ShadowMicrocodeUpdatePatch (
 {\r
   EFI_STATUS     Status;\r
 \r
-  Status = ShadowMicrocodePatchByFit (CpuMpData);\r
+  Status = PlatformShadowMicrocode (CpuMpData);\r
   if (EFI_ERROR (Status)) {\r
     ShadowMicrocodePatchByPcd (CpuMpData);\r
   }\r