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/** @file
In FSP API V1 mode, it will be invoked twice by pei core. In 1st entry, it will
call FspInit API. In 2nd entry, it will parse the hoblist from fsp and report
them into pei core.
Copyright (c) 2015, 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 "FspInitPei.h"
/**
FSP Init continuation function.
Control will be returned to this callback function after FspInit API call.
@param[in] Status Status of the FSP INIT API
@param[in] HobListPtr Pointer to the HOB data structure defined in the PI specification.
**/
VOID
ContinuationFunc (
IN EFI_STATUS Status,
IN VOID *HobListPtr
)
{
EFI_BOOT_MODE BootMode;
UINT64 StackSize;
EFI_PHYSICAL_ADDRESS StackBase;
DEBUG ((DEBUG_INFO, "ContinuationFunc - %r\n", Status));
DEBUG ((DEBUG_INFO, "HobListPtr - 0x%x\n", HobListPtr));
if (Status != EFI_SUCCESS) {
CpuDeadLoop ();
}
//
// Can not call any PeiServices
//
BootMode = GetBootMode ();
GetStackInfo (BootMode, TRUE, &StackBase, &StackSize);
DEBUG ((DEBUG_INFO, "StackBase - 0x%x\n", StackBase));
DEBUG ((DEBUG_INFO, "StackSize - 0x%x\n", StackSize));
CallPeiCoreEntryPoint (
HobListPtr,
(VOID *)(UINTN)StackBase,
(VOID *)(UINTN)(StackBase + StackSize)
);
}
/**
Call FspInit API.
@param[in] FspHeader FSP header pointer.
**/
VOID
PeiFspInit (
IN FSP_INFO_HEADER *FspHeader
)
{
FSP_INIT_PARAMS FspInitParams;
FSP_INIT_RT_COMMON_BUFFER FspRtBuffer;
UINT8 FspUpdRgn[FixedPcdGet32 (PcdMaxUpdRegionSize)];
UINT32 UpdRegionSize;
EFI_BOOT_MODE BootMode;
UINT64 StackSize;
EFI_PHYSICAL_ADDRESS StackBase;
EFI_STATUS Status;
DEBUG ((DEBUG_INFO, "PeiFspInit enter\n"));
PeiServicesGetBootMode (&BootMode);
DEBUG ((DEBUG_INFO, "BootMode - 0x%x\n", BootMode));
GetStackInfo (BootMode, FALSE, &StackBase, &StackSize);
DEBUG ((DEBUG_INFO, "StackBase - 0x%x\n", StackBase));
DEBUG ((DEBUG_INFO, "StackSize - 0x%x\n", StackSize));
ZeroMem (&FspRtBuffer, sizeof(FspRtBuffer));
FspRtBuffer.StackTop = (UINT32 *)(UINTN)(StackBase + StackSize);
FspRtBuffer.BootMode = BootMode;
/* Platform override any UPD configs */
UpdRegionSize = GetUpdRegionSize();
DEBUG ((DEBUG_INFO, "UpdRegionSize - 0x%x\n", UpdRegionSize));
DEBUG ((DEBUG_INFO, "sizeof(FspUpdRgn) - 0x%x\n", sizeof(FspUpdRgn)));
ASSERT(sizeof(FspUpdRgn) >= UpdRegionSize);
ZeroMem (FspUpdRgn, UpdRegionSize);
FspRtBuffer.UpdDataRgnPtr = UpdateFspUpdConfigs (FspUpdRgn);
ZeroMem (&FspInitParams, sizeof(FspInitParams));
FspInitParams.NvsBufferPtr = GetNvsBuffer ();
DEBUG ((DEBUG_INFO, "NvsBufferPtr - 0x%x\n", FspInitParams.NvsBufferPtr));
FspInitParams.RtBufferPtr = (VOID *)&FspRtBuffer;
FspInitParams.ContinuationFunc = (CONTINUATION_PROC)ContinuationFunc;
SaveSecContext (GetPeiServicesTablePointer ());
DEBUG ((DEBUG_INFO, "FspInitParams - 0x%x\n", &FspInitParams));
DEBUG ((DEBUG_INFO, " NvsBufferPtr - 0x%x\n", FspInitParams.NvsBufferPtr));
DEBUG ((DEBUG_INFO, " RtBufferPtr - 0x%x\n", FspInitParams.RtBufferPtr));
DEBUG ((DEBUG_INFO, " StackTop - 0x%x\n", FspRtBuffer.StackTop));
DEBUG ((DEBUG_INFO, " BootMode - 0x%x\n", FspRtBuffer.BootMode));
DEBUG ((DEBUG_INFO, " UpdDataRgnPtr - 0x%x\n", FspRtBuffer.UpdDataRgnPtr));
DEBUG ((DEBUG_INFO, " ContinuationFunc - 0x%x\n", FspInitParams.ContinuationFunc));
Status = CallFspInit (FspHeader, &FspInitParams);
//
// Should never return
//
DEBUG((DEBUG_ERROR, "FSP Init failed, status: 0x%x\n", Status));
CpuDeadLoop ();
}
/**
Do FSP initialization based on FspApi version 1.
@param[in] FspHeader FSP header pointer.
@return FSP initialization status.
**/
EFI_STATUS
PeiFspInitV1 (
IN FSP_INFO_HEADER *FspHeader
)
{
EFI_STATUS Status;
FSP_INIT_DONE_PPI *FspInitDone;
VOID *FspHobList;
EFI_BOOT_MODE BootMode;
Status = PeiServicesLocatePpi (
&gFspInitDonePpiGuid,
0,
NULL,
(VOID **) &FspInitDone
);
if (EFI_ERROR (Status)) {
//
// 1st entry
//
DEBUG ((DEBUG_INFO, "1st entry\n"));
PeiFspInit (FspHeader);
//
// Never return here, for FspApi version 1.
//
CpuDeadLoop ();
} else {
//
// 2nd entry for FspApi version 1 only.
//
DEBUG ((DEBUG_INFO, "2nd entry\n"));
Status = FspInitDone->GetFspHobList (GetPeiServicesTablePointer (), FspInitDone, &FspHobList);
ASSERT_EFI_ERROR (Status);
DEBUG ((DEBUG_INFO, "FspHobList - 0x%x\n", FspHobList));
FspHobProcess (FspHobList);
//
// Register EndOfPei Notify for S3 to run FspNotifyPhase
//
PeiServicesGetBootMode (&BootMode);
if (BootMode == BOOT_ON_S3_RESUME) {
Status = PeiServicesNotifyPpi (&mS3EndOfPeiNotifyDesc);
ASSERT_EFI_ERROR (Status);
}
}
return EFI_SUCCESS;
}
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