mirror of https://github.com/acidanthera/audk.git
129 lines
3.9 KiB
C
129 lines
3.9 KiB
C
/** @file
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Master header file for SecCore.
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Copyright (c) 2013, 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 _SEC_CORE_H_
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#define _SEC_CORE_H_
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#include <PiPei.h>
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#include <Ppi/SecPlatformInformation.h>
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#include <Ppi/TemporaryRamSupport.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PcdLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiCpuLib.h>
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#include <Library/PeCoffGetEntryPointLib.h>
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#include <Library/PeCoffExtraActionLib.h>
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#include <Library/DebugAgentLib.h>
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#define SEC_IDT_ENTRY_COUNT 34
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typedef struct _SEC_IDT_TABLE {
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//
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// Reserved 8 bytes preceding IDT to store EFI_PEI_SERVICES**, since IDT base
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// address should be 8-byte alignment.
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// Note: For IA32, only the 4 bytes immediately preceding IDT is used to store
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// EFI_PEI_SERVICES**
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//
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UINT64 PeiService;
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UINT64 IdtTable[SEC_IDT_ENTRY_COUNT];
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} SEC_IDT_TABLE;
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/**
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Switch the stack in the temporary memory to the one in the permanent memory.
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This function must be invoked after the memory migration immediately. The relative
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position of the stack in the temporary and permanent memory is same.
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@param TemporaryMemoryBase Base address of the temporary memory.
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@param PermenentMemoryBase Base address of the permanent memory.
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**/
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VOID
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EFIAPI
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SecSwitchStack (
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UINT32 TemporaryMemoryBase,
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UINT32 PermenentMemoryBase
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);
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/**
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This service of the TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
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permanent memory.
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@param PeiServices Pointer to the PEI Services Table.
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@param TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the
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Temporary RAM contents.
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@param PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the
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Temporary RAM contents.
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@param CopySize Amount of memory to migrate from temporary to permanent memory.
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@retval EFI_SUCCESS The data was successfully returned.
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@retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
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TemporaryMemoryBase > PermanentMemoryBase.
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**/
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EFI_STATUS
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EFIAPI
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SecTemporaryRamSupport (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
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IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
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IN UINTN CopySize
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);
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/**
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Entry point to the C language phase of SEC. After the SEC assembly
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code has initialized some temporary memory and set up the stack,
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the control is transferred to this function.
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@param SizeOfRam Size of the temporary memory available for use.
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@param TempRamBase Base address of temporary ram
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@param BootFirmwareVolume Base address of the Boot Firmware Volume.
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**/
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VOID
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EFIAPI
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SecStartup (
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IN UINT32 SizeOfRam,
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IN UINT32 TempRamBase,
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IN VOID *BootFirmwareVolume
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);
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/**
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Find and return Pei Core entry point.
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It also find SEC and PEI Core file debug information. It will report them if
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remote debug is enabled.
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@param BootFirmwareVolumePtr Point to the boot firmware volume.
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@param PeiCoreEntryPoint Point to the PEI core entry point.
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**/
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VOID
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EFIAPI
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FindAndReportEntryPoints (
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IN EFI_FIRMWARE_VOLUME_HEADER *BootFirmwareVolumePtr,
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OUT EFI_PEI_CORE_ENTRY_POINT *PeiCoreEntryPoint
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);
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/**
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Autogenerated function that calls the library constructors for all of the module's
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dependent libraries. This function must be called by the SEC Core once a stack has
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been established.
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**/
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VOID
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EFIAPI
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ProcessLibraryConstructorList (
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VOID
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);
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#endif
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