From c8ec22a266cdd134ac99c3021003710130613a40 Mon Sep 17 00:00:00 2001 From: jyao1 Date: Tue, 29 Jul 2014 02:21:52 +0000 Subject: Add IntelFspPkg to support create FSP bin based on EDKII. Contributed-under: TianoCore Contribution Agreement 1.0 Signed off by: Ravi Rangarajan Reviewed by: Maurice Ma Reviewed by: Jiewen Yao Reviewed by: Giri Mudusuru Reviewed by: Liming Gao git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15705 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Library/BaseFspCommonLib/BaseFspCommonLib.inf | 37 +++ .../Library/BaseFspCommonLib/FspCommonLib.c | 318 +++++++++++++++++++++ 2 files changed, 355 insertions(+) create mode 100644 IntelFspPkg/Library/BaseFspCommonLib/BaseFspCommonLib.inf create mode 100644 IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c (limited to 'IntelFspPkg/Library/BaseFspCommonLib') diff --git a/IntelFspPkg/Library/BaseFspCommonLib/BaseFspCommonLib.inf b/IntelFspPkg/Library/BaseFspCommonLib/BaseFspCommonLib.inf new file mode 100644 index 0000000000..0fa8c6a2dc --- /dev/null +++ b/IntelFspPkg/Library/BaseFspCommonLib/BaseFspCommonLib.inf @@ -0,0 +1,37 @@ +## @file +# +# Copyright (c) 2014, Intel Corporation. All rights reserved.
+# +# This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php. +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = BaseFspCommonLib + FILE_GUID = 54607F66-D728-448e-A282-49E0404A557F + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = FspCommonLib + +[Sources] + FspCommonLib.c + +[Packages] + MdePkg/MdePkg.dec + IntelFspPkg/IntelFspPkg.dec + +[LibraryClasses] + BaseMemoryLib + +[Pcd] + gIntelFspPkgTokenSpaceGuid.PcdGlobalDataPointerAddress + +[FixedPcd] + gIntelFspPkgTokenSpaceGuid.PcdFspMaxPatchEntry + gIntelFspPkgTokenSpaceGuid.PcdFspMaxPerfEntry diff --git a/IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c b/IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c new file mode 100644 index 0000000000..958a7322a0 --- /dev/null +++ b/IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c @@ -0,0 +1,318 @@ +/** @file + + Copyright (c) 2014, Intel Corporation. All rights reserved.
+ This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php. + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#include +#include +#include +#include +#include +#include + +#pragma pack(1) + +// +// Cont Func Parameter 2 +0x3C +// Cont Func Parameter 1 +0x38 +// +// API Parameter +0x34 +// API return address +0x30 +// +// push offset exit +0x2C +// pushfd +0x28 +// cli +// pushad +0x24 +// sub esp, 8 +0x00 +// sidt fword ptr [esp] +// +typedef struct { + UINT16 IdtrLimit; + UINT32 IdtrBase; + UINT16 Reserved; + UINT32 Edi; + UINT32 Esi; + UINT32 Ebp; + UINT32 Esp; + UINT32 Ebx; + UINT32 Edx; + UINT32 Ecx; + UINT32 Eax; + UINT16 Flags[2]; + UINT32 ExitOff; + UINT32 ApiRet; + UINT32 ApiParam; +} CONTEXT_STACK; + +#define CONTEXT_STACK_OFFSET(x) (UINT32)&((CONTEXT_STACK *)(UINTN)0)->x + +#pragma pack() + +/** + This function sets the FSP global data pointer. + + @param[in] FspData Fsp global data pointer. + +**/ +VOID +EFIAPI +SetFspGlobalDataPointer ( + IN FSP_GLOBAL_DATA *FspData + ) +{ + ASSERT (FspData != NULL); + *((volatile UINT32 *)(UINTN)PcdGet32(PcdGlobalDataPointerAddress)) = (UINT32)(UINTN)FspData; +} + +/** + This function gets the FSP global data pointer. + +**/ +FSP_GLOBAL_DATA * +EFIAPI +GetFspGlobalDataPointer ( + VOID + ) +{ + FSP_GLOBAL_DATA *FspData; + + FspData = *(FSP_GLOBAL_DATA **)(UINTN)PcdGet32(PcdGlobalDataPointerAddress); + return FspData; +} + +/** + This function gets back the FSP API paramter passed by the bootlaoder. + + @retval ApiParameter FSP API paramter passed by the bootlaoder. +**/ +UINT32 +EFIAPI +GetFspApiParameter ( + VOID + ) +{ + FSP_GLOBAL_DATA *FspData; + + FspData = GetFspGlobalDataPointer (); + return *(UINT32 *)(UINTN)(FspData->CoreStack + CONTEXT_STACK_OFFSET(ApiParam)); +} + +/** + This function sets the FSP API paramter in the stack. + + @param[in] Value New parameter value. + +**/ +VOID +EFIAPI +SetFspApiParameter ( + IN UINT32 Value + ) +{ + FSP_GLOBAL_DATA *FspData; + + FspData = GetFspGlobalDataPointer (); + *(UINT32 *)(UINTN)(FspData->CoreStack + CONTEXT_STACK_OFFSET(ApiParam)) = Value; +} + +/** + This function sets the FSP continuation function parameters in the stack. + + @param[in] Value New parameter value to set. + @param[in] Index Parameter index. +**/ +VOID +EFIAPI +SetFspContinuationFuncParameter ( + IN UINT32 Value, + IN UINT32 Index + ) +{ + FSP_GLOBAL_DATA *FspData; + + FspData = GetFspGlobalDataPointer (); + *(UINT32 *)(UINTN)(FspData->CoreStack + CONTEXT_STACK_OFFSET(ApiParam) + (Index + 1) * sizeof(UINT32)) = Value; +} + + +/** + This function changes the Bootloader return address in stack. + + @param[in] ReturnAddress Address to return. + +**/ +VOID +EFIAPI +SetFspApiReturnAddress ( + IN UINT32 ReturnAddress + ) +{ + FSP_GLOBAL_DATA *FspData; + + FspData = GetFspGlobalDataPointer (); + *(UINT32 *)(UINTN)(FspData->CoreStack + CONTEXT_STACK_OFFSET(ApiRet)) = ReturnAddress; +} + +/** + This function set the API status code returned to the bootloader. + + @param[in] ReturnStatus Status code to return. + +**/ +VOID +EFIAPI +SetFspApiReturnStatus ( + IN UINT32 ReturnStatus + ) +{ + FSP_GLOBAL_DATA *FspData; + + FspData = GetFspGlobalDataPointer (); + *(UINT32 *)(UINTN)(FspData->CoreStack + CONTEXT_STACK_OFFSET(Eax)) = ReturnStatus; +} + +/** + This function sets the context switching stack to a new stack frame. + + @param[in] NewStackTop New core stack to be set. + +**/ +VOID +EFIAPI +SetFspCoreStackPointer ( + IN VOID *NewStackTop + ) +{ + FSP_GLOBAL_DATA *FspData; + UINT32 *OldStack; + UINT32 *NewStack; + UINT32 StackContextLen; + + FspData = GetFspGlobalDataPointer (); + StackContextLen = sizeof(CONTEXT_STACK) / sizeof(UINT32); + + // + // Reserve space for the ContinuationFunc two parameters + // + OldStack = (UINT32 *)FspData->CoreStack; + NewStack = (UINT32 *)NewStackTop - StackContextLen - 2; + FspData->CoreStack = (UINT32)NewStack; + while (StackContextLen-- != 0) { + *NewStack++ = *OldStack++; + } +} + +/** + This function sets the platform specific data pointer. + + @param[in] PlatformData Fsp platform specific data pointer. + +**/ +VOID +EFIAPI +SetFspPlatformDataPointer ( + IN VOID *PlatformData + ) +{ + FSP_GLOBAL_DATA *FspData; + + FspData = GetFspGlobalDataPointer (); + FspData->PlatformData.DataPtr = PlatformData; +} + + +/** + This function gets the platform specific data pointer. + + @param[in] PlatformData Fsp platform specific data pointer. + +**/ +VOID * +EFIAPI +GetFspPlatformDataPointer ( + VOID + ) +{ + FSP_GLOBAL_DATA *FspData; + + FspData = GetFspGlobalDataPointer (); + return FspData->PlatformData.DataPtr; +} + + +/** + This function sets the UPD data pointer. + + @param[in] UpdDataRgnPtr UPD data pointer. +**/ +VOID +EFIAPI +SetFspUpdDataPointer ( + IN VOID *UpdDataRgnPtr + ) +{ + FSP_GLOBAL_DATA *FspData; + + // + // Get the Fsp Global Data Pointer + // + FspData = GetFspGlobalDataPointer (); + + // + // Set the UPD pointer. + // + FspData->UpdDataRgnPtr = UpdDataRgnPtr; +} + +/** + This function gets the UPD data pointer. + + @return UpdDataRgnPtr UPD data pointer. +**/ +VOID * +EFIAPI +GetFspUpdDataPointer ( + VOID + ) +{ + FSP_GLOBAL_DATA *FspData; + + FspData = GetFspGlobalDataPointer (); + return FspData->UpdDataRgnPtr; +} + +/** + Set FSP measurement point timestamp. + + @param[in] Id Measurement point ID. + + @return performance timestamp. +**/ +UINT64 +EFIAPI +SetFspMeasurePoint ( + IN UINT8 Id + ) +{ + FSP_GLOBAL_DATA *FspData; + + // + // Bit [55: 0] will be the timestamp + // Bit [63:56] will be the ID + // + FspData = GetFspGlobalDataPointer (); + if (FspData->PerfIdx < sizeof(FspData->PerfData) / sizeof(FspData->PerfData[0])) { + FspData->PerfData[FspData->PerfIdx] = AsmReadTsc (); + ((UINT8 *)(&FspData->PerfData[FspData->PerfIdx]))[7] = Id; + } + + return FspData->PerfData[(FspData->PerfIdx)++]; +} -- cgit v1.2.3