mirror of https://github.com/acidanthera/audk.git
150 lines
3.3 KiB
C
150 lines
3.3 KiB
C
/** @file
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Provide FSP platform information related function.
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Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __FSP_PLATFORM_INFO_LIB_H__
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#define __FSP_PLATFORM_INFO_LIB_H__
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/**
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Get current boot mode.
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@note At this point, memory is ready, PeiServices are NOT available to use.
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Platform can get some data from chipset register.
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@return BootMode current boot mode.
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**/
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UINT32
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EFIAPI
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GetBootMode (
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VOID
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);
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/**
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Get NVS buffer parameter.
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@note At this point, memory is NOT ready, PeiServices are available to use.
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@return NvsBuffer NVS buffer parameter.
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**/
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VOID *
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EFIAPI
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GetNvsBuffer (
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VOID
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);
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/**
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Get UPD region size.
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@note At this point, memory is NOT ready, PeiServices are available to use.
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@return UPD region size.
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**/
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UINT32
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EFIAPI
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GetUpdRegionSize (
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VOID
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);
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/**
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This function overrides the default configurations in the UPD data region.
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@param[in,out] FspUpdRgnPtr A pointer to the UPD data region data strcture.
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@return FspUpdRgnPtr A pointer to the UPD data region data strcture.
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**/
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VOID *
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EFIAPI
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UpdateFspUpdConfigs (
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IN OUT VOID *FspUpdRgnPtr
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);
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/**
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Get BootLoader Tolum size.
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@note At this point, memory is NOT ready, PeiServices are available to use.
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@return BootLoader Tolum size.
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**/
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UINT32
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EFIAPI
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GetBootLoaderTolumSize (
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VOID
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);
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/**
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Get TempRamExit parameter.
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@note At this point, memory is ready, PeiServices are available to use.
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@return TempRamExit parameter.
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**/
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VOID *
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EFIAPI
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GetTempRamExitParam (
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VOID
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);
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/**
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Get FspSiliconInit parameter.
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@note At this point, memory is ready, PeiServices are available to use.
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@return FspSiliconInit parameter.
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**/
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VOID *
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EFIAPI
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GetFspSiliconInitParam (
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VOID
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);
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/**
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Get S3 PEI memory information.
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@note At this point, memory is ready, and PeiServices are available to use.
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Platform can get some data from SMRAM directly.
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@param[out] S3PeiMemSize PEI memory size to be installed in S3 phase.
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@param[out] S3PeiMemBase PEI memory base to be installed in S3 phase.
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@return If S3 PEI memory information is got successfully.
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**/
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EFI_STATUS
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EFIAPI
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GetS3MemoryInfo (
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OUT UINT64 *S3PeiMemSize,
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OUT EFI_PHYSICAL_ADDRESS *S3PeiMemBase
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);
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/**
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Get stack information according to boot mode.
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@note If BootMode is BOOT_ON_S3_RESUME or BOOT_ON_FLASH_UPDATE,
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this stack should be in some reserved memory space.
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@note If FspInitDone is TRUE, memory is ready, but no PeiServices there.
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Platform can get some data from SMRAM directly.
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@note If FspInitDone is FALSE, memory is NOT ready, but PeiServices are available to use.
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Platform can get some data from variable via VariablePpi.
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@param[in] BootMode Current boot mode.
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@param[in] FspInitDone If FspInit is called.
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@param[out] StackSize Stack size to be used in PEI phase.
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@param[out] StackBase Stack base to be used in PEI phase.
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@return If Stack information is got successfully.
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**/
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EFI_STATUS
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EFIAPI
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GetStackInfo (
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IN UINT32 BootMode,
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IN BOOLEAN FspInitDone,
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OUT UINT64 *StackSize,
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OUT EFI_PHYSICAL_ADDRESS *StackBase
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);
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#endif
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