X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=UefiCpuPkg%2FLibrary%2FMpInitLib%2FMpLib.h;h=a8ca03efb8e3d8e75363dd66ad77fcb740b1c8ed;hp=b6e5a1afab0044cdde2e82abb6b4c6504a1e98b3;hb=8dd962a657b28d9db65ed7a35817a4b82f06301a;hpb=08a475df10b75f84cdeb9b11e38f8eee9b5c048d

diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h
index b6e5a1afab..a8ca03efb8 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.h
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h
@@ -2,6 +2,8 @@
   Common header file for MP Initialize Library.
 
   Copyright (c) 2016 - 2020, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2020, AMD Inc. All rights reserved.<BR>
+
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -12,6 +14,7 @@
 #include <PiPei.h>
 
 #include <Register/Intel/Cpuid.h>
+#include <Register/Amd/Cpuid.h>
 #include <Register/Intel/Msr.h>
 #include <Register/Intel/LocalApic.h>
 #include <Register/Intel/Microcode.h>
@@ -28,6 +31,9 @@
 #include <Library/SynchronizationLib.h>
 #include <Library/MtrrLib.h>
 #include <Library/HobLib.h>
+#include <Library/PcdLib.h>
+
+#include <Guid/MicrocodePatchHob.h>
 
 #define WAKEUP_AP_SIGNAL SIGNATURE_32 ('S', 'T', 'A', 'P')
 
@@ -216,8 +222,6 @@ struct _CPU_MP_DATA {
   UINT64                         CpuInfoInHob;
   UINT32                         CpuCount;
   UINT32                         BspNumber;
-  UINT64                         MicrocodePatchAddress;
-  UINT64                         MicrocodePatchRegionSize;
   //
   // The above fields data will be passed from PEI to DXE
   // Please make sure the fields offset same in the different
@@ -261,6 +265,8 @@ struct _CPU_MP_DATA {
   UINT8                          Vector;
   BOOLEAN                        PeriodicMode;
   BOOLEAN                        TimerInterruptState;
+  UINT64                         MicrocodePatchAddress;
+  UINT64                         MicrocodePatchRegionSize;
 
   //
   // Whether need to use Init-Sipi-Sipi to wake up the APs.
@@ -587,15 +593,36 @@ MicrocodeDetect (
   );
 
 /**
-  Load the required microcode patches data into memory.
+  Shadow the required microcode patches data into memory.
 
   @param[in, out]  CpuMpData    The pointer to CPU MP Data structure.
 **/
 VOID
-LoadMicrocodePatch (
+ShadowMicrocodeUpdatePatch (
   IN OUT CPU_MP_DATA             *CpuMpData
   );
 
+/**
+  Get the cached microcode patch base address and size from the microcode patch
+  information cache HOB.
+
+  @param[out] Address       Base address of the microcode patches data.
+                            It will be updated if the microcode patch
+                            information cache HOB is found.
+  @param[out] RegionSize    Size of the microcode patches data.
+                            It will be updated if the microcode patch
+                            information cache HOB is found.
+
+  @retval  TRUE     The microcode patch information cache HOB is found.
+  @retval  FALSE    The microcode patch information cache HOB is not found.
+
+**/
+BOOLEAN
+GetMicrocodePatchInfoFromHob (
+  UINT64                         *Address,
+  UINT64                         *RegionSize
+  );
+
 /**
   Detect whether Mwait-monitor feature is supported.
 
@@ -631,5 +658,21 @@ GetProcessorNumber (
   OUT UINTN                    *ProcessorNumber
   );
 
+/**
+  This funtion will try to invoke platform specific microcode shadow logic to
+  relocate microcode update patches into memory.
+
+  @param[in, out] CpuMpData  The pointer to CPU MP Data structure.
+
+  @retval EFI_SUCCESS              Shadow microcode success.
+  @retval EFI_OUT_OF_RESOURCES     No enough resource to complete the operation.
+  @retval EFI_UNSUPPORTED          Can't find platform specific microcode shadow
+                                   PPI/Protocol.
+**/
+EFI_STATUS
+PlatformShadowMicrocode (
+  IN OUT CPU_MP_DATA             *CpuMpData
+  );
+
 #endif