diff options
Diffstat (limited to 'UefiCpuPkg/Library/MpInitLib/MpLib.h')
| -rw-r--r-- | UefiCpuPkg/Library/MpInitLib/MpLib.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h index f5086e497e..1102003a93 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.h +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h @@ -179,6 +179,8 @@ typedef struct { UINTN RendezvousFunnelSize;
UINT8 *RelocateApLoopFuncAddress;
UINTN RelocateApLoopFuncSize;
+ UINT8 *RelocateApLoopFuncAddressAmd;
+ UINTN RelocateApLoopFuncSizeAmd;
UINTN ModeTransitionOffset;
UINTN SwitchToRealNoNxOffset;
UINTN SwitchToRealPM16ModeOffset;
@@ -347,6 +349,31 @@ typedef extern EFI_GUID mCpuInitMpLibHobGuid;
/**
+ Assembly code to place AP into safe loop mode for Amd.
+ Place AP into targeted C-State if MONITOR is supported, otherwise
+ place AP into hlt state.
+ Place AP in protected mode if the current is long mode. Due to AP maybe
+ wakeup by some hardware event. It could avoid accessing page table that
+ may not available during booting to OS.
+ @param[in] MwaitSupport TRUE indicates MONITOR is supported.
+ FALSE indicates MONITOR is not supported.
+ @param[in] ApTargetCState Target C-State value.
+ @param[in] PmCodeSegment Protected mode code segment value.
+**/
+typedef
+ VOID
+(EFIAPI *ASM_RELOCATE_AP_LOOP_AMD)(
+ IN BOOLEAN MwaitSupport,
+ IN UINTN ApTargetCState,
+ IN UINTN PmCodeSegment,
+ IN UINTN TopOfApStack,
+ IN UINTN NumberToFinish,
+ IN UINTN Pm16CodeSegment,
+ IN UINTN SevEsAPJumpTable,
+ IN UINTN WakeupBuffer
+ );
+
+/**
Assembly code to place AP into safe loop mode.
Place AP into targeted C-State if MONITOR is supported, otherwise
|