053e878bfb
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the UefiCpuPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
179 lines
4.1 KiB
C
179 lines
4.1 KiB
C
/** @file
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SMM STM support
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Copyright (c) 2015 - 2018, 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 _SMM_STM_H_
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#define _SMM_STM_H_
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#include <Protocol/SmMonitorInit.h>
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/**
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Create 4G page table for STM.
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2M PAE page table in X64 version.
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@param PageTableBase The page table base in MSEG
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**/
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VOID
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StmGen4GPageTable (
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IN UINTN PageTableBase
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);
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/**
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This is SMM exception handle.
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Consumed by STM when exception happen.
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@param Context STM protection exception stack frame
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@return the EBX value for STM reference.
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EBX = 0: resume SMM guest using register state found on exception stack.
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EBX = 1 to 0x0F: EBX contains a BIOS error code which the STM must record in the
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TXT.ERRORCODE register and subsequently reset the system via
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TXT.CMD.SYS_RESET. The value of the TXT.ERRORCODE register is calculated as
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follows: TXT.ERRORCODE = (EBX & 0x0F) | STM_CRASH_BIOS_PANIC
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EBX = 0x10 to 0xFFFFFFFF - reserved, do not use.
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**/
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UINT32
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EFIAPI
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SmmStmExceptionHandler (
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IN OUT STM_PROTECTION_EXCEPTION_STACK_FRAME Context
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);
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/**
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Get STM state.
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@return STM state
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**/
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EFI_SM_MONITOR_STATE
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EFIAPI
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GetMonitorState (
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VOID
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);
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/**
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Load STM image to MSEG.
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@param StmImage STM image
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@param StmImageSize STM image size
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@retval EFI_SUCCESS Load STM to MSEG successfully
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@retval EFI_BUFFER_TOO_SMALL MSEG is smaller than minimal requirement of STM image
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**/
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EFI_STATUS
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EFIAPI
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LoadMonitor (
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IN EFI_PHYSICAL_ADDRESS StmImage,
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IN UINTN StmImageSize
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);
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/**
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Add resources in list to database. Allocate new memory areas as needed.
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@param ResourceList A pointer to resource list to be added
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@param NumEntries Optional number of entries.
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If 0, list must be terminated by END_OF_RESOURCES.
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@retval EFI_SUCCESS If resources are added
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@retval EFI_INVALID_PARAMETER If nested procedure detected resource failer
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@retval EFI_OUT_OF_RESOURCES If nested procedure returned it and we cannot allocate more areas.
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**/
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EFI_STATUS
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EFIAPI
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AddPiResource (
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IN STM_RSC *ResourceList,
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IN UINT32 NumEntries OPTIONAL
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);
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/**
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Delete resources in list to database.
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@param ResourceList A pointer to resource list to be deleted
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NULL means delete all resources.
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@param NumEntries Optional number of entries.
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If 0, list must be terminated by END_OF_RESOURCES.
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@retval EFI_SUCCESS If resources are deleted
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@retval EFI_INVALID_PARAMETER If nested procedure detected resource failer
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**/
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EFI_STATUS
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EFIAPI
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DeletePiResource (
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IN STM_RSC *ResourceList,
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IN UINT32 NumEntries OPTIONAL
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);
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/**
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Get BIOS resources.
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@param ResourceList A pointer to resource list to be filled
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@param ResourceSize On input it means size of resource list input.
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On output it means size of resource list filled,
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or the size of resource list to be filled if size of too small.
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@retval EFI_SUCCESS If resources are returned.
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@retval EFI_BUFFER_TOO_SMALL If resource list buffer is too small to hold the whole resources.
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**/
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EFI_STATUS
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EFIAPI
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GetPiResource (
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OUT STM_RSC *ResourceList,
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IN OUT UINT32 *ResourceSize
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);
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/**
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This function initialize STM configuration table.
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**/
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VOID
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StmSmmConfigurationTableInit (
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VOID
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);
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/**
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This function notify STM resource change.
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@param StmResource BIOS STM resource
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**/
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VOID
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NotifyStmResourceChange (
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IN VOID *StmResource
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);
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/**
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This function return BIOS STM resource.
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@return BIOS STM resource
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**/
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VOID *
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GetStmResource (
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VOID
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);
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/**
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This function fixes up the address of the global variable or function
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referred in SmiEntry assembly files to be the absolute address.
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**/
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VOID
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EFIAPI
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SmmCpuFeaturesLibStmSmiEntryFixupAddress (
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);
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#endif
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