diff options
Diffstat (limited to 'IntelFsp2WrapperPkg/Library/BaseFspWrapperApiLib/FspWrapperApiLib.c')
| -rw-r--r-- | IntelFsp2WrapperPkg/Library/BaseFspWrapperApiLib/FspWrapperApiLib.c | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/IntelFsp2WrapperPkg/Library/BaseFspWrapperApiLib/FspWrapperApiLib.c b/IntelFsp2WrapperPkg/Library/BaseFspWrapperApiLib/FspWrapperApiLib.c index 67faad927c..5b5beb5c65 100644 --- a/IntelFsp2WrapperPkg/Library/BaseFspWrapperApiLib/FspWrapperApiLib.c +++ b/IntelFsp2WrapperPkg/Library/BaseFspWrapperApiLib/FspWrapperApiLib.c @@ -1,7 +1,7 @@ /** @file
Provide FSP API related function.
- Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2014 - 2022, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -13,7 +13,7 @@ #include <Library/BaseMemoryLib.h>
/**
- Wrapper for a thunk to transition from long mode to compatibility mode to execute 32-bit code and then transit back to
+ Wrapper for a thunk to transition from long mode to compatibility mode to execute 32-bit code and then transit back to
long mode.
@param[in] Function The 32bit code entry to be executed.
@@ -30,6 +30,22 @@ Execute32BitCode ( );
/**
+ Wrapper to execute 64-bit code directly from long mode.
+
+ @param[in] Function The 64bit code entry to be executed.
+ @param[in] Param1 The first parameter to pass to 64bit code.
+ @param[in] Param2 The second parameter to pass to 64bit code.
+
+ @return EFI_STATUS.
+**/
+EFI_STATUS
+Execute64BitCode (
+ IN UINT64 Function,
+ IN UINT64 Param1,
+ IN UINT64 Param2
+ );
+
+/**
Find FSP header pointer.
@param[in] FlashFvFspBase Flash address of FSP FV.
@@ -94,7 +110,11 @@ CallFspNotifyPhase ( NotifyPhaseApi = (FSP_NOTIFY_PHASE)((UINTN)FspHeader->ImageBase + FspHeader->NotifyPhaseEntryOffset);
InterruptState = SaveAndDisableInterrupts ();
- Status = Execute32BitCode ((UINTN)NotifyPhaseApi, (UINTN)NotifyPhaseParams, (UINTN)NULL);
+ if ((FspHeader->ImageAttribute & IMAGE_ATTRIBUTE_64BIT_MODE_SUPPORT) == FSP_IA32) {
+ Status = Execute32BitCode ((UINTN)NotifyPhaseApi, (UINTN)NotifyPhaseParams, (UINTN)NULL);
+ } else {
+ Status = Execute64BitCode ((UINTN)NotifyPhaseApi, (UINTN)NotifyPhaseParams, (UINTN)NULL);
+ }
SetInterruptState (InterruptState);
return Status;
@@ -127,7 +147,11 @@ CallFspMemoryInit ( FspMemoryInitApi = (FSP_MEMORY_INIT)((UINTN)FspHeader->ImageBase + FspHeader->FspMemoryInitEntryOffset);
InterruptState = SaveAndDisableInterrupts ();
- Status = Execute32BitCode ((UINTN)FspMemoryInitApi, (UINTN)FspmUpdDataPtr, (UINTN)HobListPtr);
+ if ((FspHeader->ImageAttribute & IMAGE_ATTRIBUTE_64BIT_MODE_SUPPORT) == FSP_IA32) {
+ Status = Execute32BitCode ((UINTN)FspMemoryInitApi, (UINTN)FspmUpdDataPtr, (UINTN)HobListPtr);
+ } else {
+ Status = Execute64BitCode ((UINTN)FspMemoryInitApi, (UINTN)FspmUpdDataPtr, (UINTN)HobListPtr);
+ }
SetInterruptState (InterruptState);
return Status;
@@ -158,7 +182,11 @@ CallTempRamExit ( TempRamExitApi = (FSP_TEMP_RAM_EXIT)((UINTN)FspHeader->ImageBase + FspHeader->TempRamExitEntryOffset);
InterruptState = SaveAndDisableInterrupts ();
- Status = Execute32BitCode ((UINTN)TempRamExitApi, (UINTN)TempRamExitParam, (UINTN)NULL);
+ if ((FspHeader->ImageAttribute & IMAGE_ATTRIBUTE_64BIT_MODE_SUPPORT) == FSP_IA32) {
+ Status = Execute32BitCode ((UINTN)TempRamExitApi, (UINTN)TempRamExitParam, (UINTN)NULL);
+ } else {
+ Status = Execute64BitCode ((UINTN)TempRamExitApi, (UINTN)TempRamExitParam, (UINTN)NULL);
+ }
SetInterruptState (InterruptState);
return Status;
@@ -189,7 +217,11 @@ CallFspSiliconInit ( FspSiliconInitApi = (FSP_SILICON_INIT)((UINTN)FspHeader->ImageBase + FspHeader->FspSiliconInitEntryOffset);
InterruptState = SaveAndDisableInterrupts ();
- Status = Execute32BitCode ((UINTN)FspSiliconInitApi, (UINTN)FspsUpdDataPtr, (UINTN)NULL);
+ if ((FspHeader->ImageAttribute & IMAGE_ATTRIBUTE_64BIT_MODE_SUPPORT) == FSP_IA32) {
+ Status = Execute32BitCode ((UINTN)FspSiliconInitApi, (UINTN)FspsUpdDataPtr, (UINTN)NULL);
+ } else {
+ Status = Execute64BitCode ((UINTN)FspSiliconInitApi, (UINTN)FspsUpdDataPtr, (UINTN)NULL);
+ }
SetInterruptState (InterruptState);
return Status;
|