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- /** @file
- Copyright (c) 2014 - 2022, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #ifndef _SEC_CORE_H_
- #define _SEC_CORE_H_
- #include <PiPei.h>
- #include <Ppi/TemporaryRamSupport.h>
- #include <Library/BaseLib.h>
- #include <Library/IoLib.h>
- #include <Library/DebugLib.h>
- #include <Library/PcdLib.h>
- #include <Library/BaseMemoryLib.h>
- #include <Library/PciCf8Lib.h>
- #include <Library/SerialPortLib.h>
- #include <Library/FspSwitchStackLib.h>
- #include <Library/FspCommonLib.h>
- #include <Library/CpuLib.h>
- #include <Library/UefiCpuLib.h>
- #include <FspEas.h>
- typedef
- VOID
- (EFIAPI *PEI_CORE_ENTRY)(
- IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
- IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList
- );
- typedef struct _SEC_IDT_TABLE {
- //
- // Reserved 8 bytes preceding IDT to store EFI_PEI_SERVICES**, since IDT base
- // address should be 8-byte alignment.
- // Note: For IA32, only the 4 bytes immediately preceding IDT is used to store
- // EFI_PEI_SERVICES**
- //
- UINT64 PeiService;
- IA32_IDT_GATE_DESCRIPTOR IdtTable[FixedPcdGet8 (PcdFspMaxInterruptSupported)];
- } SEC_IDT_TABLE;
- /**
- Switch the stack in the temporary memory to the one in the permanent memory.
- This function must be invoked after the memory migration immediately. The relative
- position of the stack in the temporary and permanent memory is same.
- @param[in] TemporaryMemoryBase Base address of the temporary memory.
- @param[in] PermenentMemoryBase Base address of the permanent memory.
- **/
- VOID
- EFIAPI
- SecSwitchStack (
- IN UINTN TemporaryMemoryBase,
- IN UINTN PermenentMemoryBase
- );
- /**
- This service of the TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
- permanent memory.
- @param[in] PeiServices Pointer to the PEI Services Table.
- @param[in] TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the
- Temporary RAM contents.
- @param[in] PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the
- Temporary RAM contents.
- @param[in] CopySize Amount of memory to migrate from temporary to permanent memory.
- @retval EFI_SUCCESS The data was successfully returned.
- @retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
- TemporaryMemoryBase > PermanentMemoryBase.
- **/
- EFI_STATUS
- EFIAPI
- SecTemporaryRamSupport (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
- IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
- IN UINTN CopySize
- );
- /**
- Entry point to the C language phase of SEC. After the SEC assembly
- code has initialized some temporary memory and set up the stack,
- the control is transferred to this function.
- @param[in] SizeOfRam Size of the temporary memory available for use.
- @param[in] TempRamBase Base address of temporary ram
- @param[in] BootFirmwareVolume Base address of the Boot Firmware Volume.
- @param[in] PeiCore PeiCore entry point.
- @param[in] BootLoaderStack BootLoader stack.
- @param[in] ApiIdx the index of API.
- @return This function never returns.
- **/
- VOID
- EFIAPI
- SecStartup (
- IN UINT32 SizeOfRam,
- IN UINT32 TempRamBase,
- IN VOID *BootFirmwareVolume,
- IN PEI_CORE_ENTRY PeiCore,
- IN UINTN BootLoaderStack,
- IN UINT32 ApiIdx
- );
- /**
- Autogenerated function that calls the library constructors for all of the module's
- dependent libraries. This function must be called by the SEC Core once a stack has
- been established.
- **/
- VOID
- EFIAPI
- ProcessLibraryConstructorList (
- VOID
- );
- /**
- Return value of esp.
- @return value of esp.
- **/
- UINTN
- EFIAPI
- AsmReadStackPointer (
- VOID
- );
- #endif
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