X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=UefiCpuPkg%2FLibrary%2FMpInitLib%2FMpLib.h;h=a8ca03efb8e3d8e75363dd66ad77fcb740b1c8ed;hp=d7e20f0b745407feec32b518bda192d3ba535b41;hb=8dd962a657b28d9db65ed7a35817a4b82f06301a;hpb=d148a178c14babba30f8cfaa724ffc50da258c0a diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h index d7e20f0b74..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.
+ Copyright (c) 2020, AMD Inc. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -12,6 +14,7 @@ #include #include +#include #include #include #include @@ -28,9 +31,9 @@ #include #include #include +#include -#include - +#include #define WAKEUP_AP_SIGNAL SIGNATURE_32 ('S', 'T', 'A', 'P') @@ -599,6 +602,27 @@ 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. @@ -634,5 +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