/** @file | |
Master header file for SecCore. | |
Copyright (c) 2013, 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/SecPlatformInformation.h> | |
#include <Ppi/TemporaryRamSupport.h> | |
#include <Library/BaseLib.h> | |
#include <Library/DebugLib.h> | |
#include <Library/PcdLib.h> | |
#include <Library/BaseMemoryLib.h> | |
#include <Library/UefiCpuLib.h> | |
#include <Library/PeCoffGetEntryPointLib.h> | |
#include <Library/PeCoffExtraActionLib.h> | |
#include <Library/DebugAgentLib.h> | |
#define SEC_IDT_ENTRY_COUNT 34 | |
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; | |
UINT64 IdtTable[SEC_IDT_ENTRY_COUNT]; | |
} 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 TemporaryMemoryBase Base address of the temporary memory. | |
@param PermenentMemoryBase Base address of the permanent memory. | |
**/ | |
VOID | |
EFIAPI | |
SecSwitchStack ( | |
UINT32 TemporaryMemoryBase, | |
UINT32 PermenentMemoryBase | |
); | |
/** | |
This service of the TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into | |
permanent memory. | |
@param PeiServices Pointer to the PEI Services Table. | |
@param TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the | |
Temporary RAM contents. | |
@param PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the | |
Temporary RAM contents. | |
@param 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 SizeOfRam Size of the temporary memory available for use. | |
@param TempRamBase Base address of temporary ram | |
@param BootFirmwareVolume Base address of the Boot Firmware Volume. | |
@param BootloaderParameter A parameter from bootloader, e.g. HobList from SlimBootloader | |
**/ | |
VOID | |
EFIAPI | |
SecStartup ( | |
IN UINT32 SizeOfRam, | |
IN UINT32 TempRamBase, | |
IN VOID *BootFirmwareVolume, | |
IN UINT32 BootloaderParameter | |
); | |
/** | |
Find and return Pei Core entry point. | |
It also find SEC and PEI Core file debug information. It will report them if | |
remote debug is enabled. | |
@param BootFirmwareVolumePtr Point to the boot firmware volume. | |
@param PeiCoreEntryPoint Point to the PEI core entry point. | |
**/ | |
VOID | |
EFIAPI | |
FindAndReportEntryPoints ( | |
IN EFI_FIRMWARE_VOLUME_HEADER *BootFirmwareVolumePtr, | |
OUT EFI_PEI_CORE_ENTRY_POINT *PeiCoreEntryPoint | |
); | |
/** | |
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 | |
); | |
#endif |