diff options
Diffstat (limited to 'IntelFsp2Pkg/Library/BaseFspCommonLib/FspCommonLib.c')
| -rw-r--r-- | IntelFsp2Pkg/Library/BaseFspCommonLib/FspCommonLib.c | 546 |
1 files changed, 546 insertions, 0 deletions
diff --git a/IntelFsp2Pkg/Library/BaseFspCommonLib/FspCommonLib.c b/IntelFsp2Pkg/Library/BaseFspCommonLib/FspCommonLib.c new file mode 100644 index 0000000000..efd55f464c --- /dev/null +++ b/IntelFsp2Pkg/Library/BaseFspCommonLib/FspCommonLib.c @@ -0,0 +1,546 @@ +/** @file
+
+ Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
+ 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 <PiPei.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <FspGlobalData.h>
+#include <FspEas.h>
+#include <FspDataTable.h>
+
+#pragma pack(1)
+
+//
+// API Parameter +0x34
+// API return address +0x30
+//
+// push FspInfoHeader +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 FspInfoHeader;
+ UINT32 ApiRet;
+ UINT32 ApiParam[2];
+} 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 first parameter passed by the bootlaoder.
+
+ @retval ApiParameter FSP API first parameter passed by the bootlaoder.
+**/
+UINT32
+EFIAPI
+GetFspApiParameter (
+ VOID
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ FspData = GetFspGlobalDataPointer ();
+ return *(UINT32 *)(UINTN)(FspData->CoreStack + CONTEXT_STACK_OFFSET(ApiParam[0]));
+}
+
+/**
+ This function gets back the FSP API second parameter passed by the bootlaoder.
+
+ @retval ApiParameter FSP API second parameter passed by the bootlaoder.
+**/
+UINT32
+EFIAPI
+GetFspApiParameter2 (
+ VOID
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ FspData = GetFspGlobalDataPointer ();
+ return *(UINT32 *)(UINTN)(FspData->CoreStack + CONTEXT_STACK_OFFSET(ApiParam[1]));
+}
+
+/**
+ This function sets the FSP API parameter 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 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] UpdDataPtr UPD data pointer.
+**/
+VOID
+EFIAPI
+SetFspUpdDataPointer (
+ IN VOID *UpdDataPtr
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ //
+ // Get the Fsp Global Data Pointer
+ //
+ FspData = GetFspGlobalDataPointer ();
+
+ //
+ // Set the UPD pointer.
+ //
+ FspData->UpdDataPtr = UpdDataPtr;
+}
+
+/**
+ This function gets the UPD data pointer.
+
+ @return UpdDataPtr UPD data pointer.
+**/
+VOID *
+EFIAPI
+GetFspUpdDataPointer (
+ VOID
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ FspData = GetFspGlobalDataPointer ();
+ return FspData->UpdDataPtr;
+}
+
+
+/**
+ This function sets the memory init UPD data pointer.
+
+ @param[in] MemoryInitUpdPtr memory init UPD data pointer.
+**/
+VOID
+EFIAPI
+SetFspMemoryInitUpdDataPointer (
+ IN VOID *MemoryInitUpdPtr
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ //
+ // Get the Fsp Global Data Pointer
+ //
+ FspData = GetFspGlobalDataPointer ();
+
+ //
+ // Set the memory init UPD pointer.
+ //
+ FspData->MemoryInitUpdPtr = MemoryInitUpdPtr;
+}
+
+/**
+ This function gets the memory init UPD data pointer.
+
+ @return memory init UPD data pointer.
+**/
+VOID *
+EFIAPI
+GetFspMemoryInitUpdDataPointer (
+ VOID
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ FspData = GetFspGlobalDataPointer ();
+ return FspData->MemoryInitUpdPtr;
+}
+
+
+/**
+ This function sets the silicon init UPD data pointer.
+
+ @param[in] SiliconInitUpdPtr silicon init UPD data pointer.
+**/
+VOID
+EFIAPI
+SetFspSiliconInitUpdDataPointer (
+ IN VOID *SiliconInitUpdPtr
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ //
+ // Get the Fsp Global Data Pointer
+ //
+ FspData = GetFspGlobalDataPointer ();
+
+ //
+ // Set the silicon init UPD data pointer.
+ //
+ FspData->SiliconInitUpdPtr = SiliconInitUpdPtr;
+}
+
+/**
+ This function gets the silicon init UPD data pointer.
+
+ @return silicon init UPD data pointer.
+**/
+VOID *
+EFIAPI
+GetFspSiliconInitUpdDataPointer (
+ VOID
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ FspData = GetFspGlobalDataPointer ();
+ return FspData->SiliconInitUpdPtr;
+}
+
+
+/**
+ 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)++];
+}
+
+/**
+ This function gets the FSP info header pointer.
+
+ @retval FspInfoHeader FSP info header pointer
+**/
+FSP_INFO_HEADER *
+EFIAPI
+GetFspInfoHeader (
+ VOID
+ )
+{
+ return GetFspGlobalDataPointer()->FspInfoHeader;
+}
+
+/**
+ This function sets the FSP info header pointer.
+
+ @param[in] FspInfoHeader FSP info header pointer
+**/
+VOID
+EFIAPI
+SetFspInfoHeader (
+ FSP_INFO_HEADER *FspInfoHeader
+ )
+{
+ GetFspGlobalDataPointer()->FspInfoHeader = FspInfoHeader;
+}
+
+/**
+ This function gets the FSP info header pointer using the API stack context.
+
+ @retval FspInfoHeader FSP info header pointer using the API stack context
+**/
+FSP_INFO_HEADER *
+EFIAPI
+GetFspInfoHeaderFromApiContext (
+ VOID
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ FspData = GetFspGlobalDataPointer ();
+ return (FSP_INFO_HEADER *)(*(UINT32 *)(UINTN)(FspData->CoreStack + CONTEXT_STACK_OFFSET(FspInfoHeader)));
+}
+
+/**
+ This function gets the VPD data pointer.
+
+ @return VpdDataRgnPtr VPD data pointer.
+**/
+VOID *
+EFIAPI
+GetFspVpdDataPointer (
+ VOID
+ )
+{
+ FSP_INFO_HEADER *FspInfoHeader;
+
+ FspInfoHeader = GetFspInfoHeader ();
+ return (VOID *)(FspInfoHeader->ImageBase + FspInfoHeader->CfgRegionOffset);
+}
+
+/**
+ This function gets FSP API calling index.
+
+ @retval API calling index
+**/
+UINT8
+EFIAPI
+GetFspApiCallingIndex (
+ VOID
+ )
+{
+ return GetFspGlobalDataPointer()->ApiIdx;
+}
+
+/**
+ This function sets FSP API calling mode.
+
+ @param[in] Index API calling index
+**/
+VOID
+EFIAPI
+SetFspApiCallingIndex (
+ UINT8 Index
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ FspData = GetFspGlobalDataPointer ();
+ FspData->ApiIdx = Index;
+}
+
+/**
+ This function gets FSP Phase StatusCode.
+
+ @retval StatusCode
+**/
+UINT32
+EFIAPI
+GetPhaseStatusCode (
+ VOID
+ )
+{
+ return GetFspGlobalDataPointer()->StatusCode;
+}
+
+/**
+ This function sets FSP Phase StatusCode.
+
+ @param[in] Mode Phase StatusCode
+**/
+VOID
+EFIAPI
+SetPhaseStatusCode (
+ UINT32 StatusCode
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ FspData = GetFspGlobalDataPointer ();
+ FspData->StatusCode = StatusCode;
+}
+
+/**
+ This function gets FSP CAR base.
+
+**/
+UINT32
+EFIAPI
+GetFspCarBase (
+ VOID
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+ UINT32 CarBase;
+
+ FspData = GetFspGlobalDataPointer ();
+ CarBase = FspData->PlatformData.CarBase;
+ if (CarBase == 0) {
+ CarBase = PcdGet32(PcdTemporaryRamBase);
+ }
+ return CarBase;
+}
+
+/**
+ This function gets FSP CAR size.
+
+**/
+UINT32
+EFIAPI
+GetFspCarSize (
+ VOID
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+ UINT32 CarSize;
+
+ FspData = GetFspGlobalDataPointer ();
+ CarSize = FspData->PlatformData.CarSize;
+ if (FspData->PlatformData.CarBase == 0) {
+ CarSize = PcdGet32(PcdTemporaryRamSize);
+ }
+ return CarSize;
+}
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