13ca714cd2
- tempory -> temporary - immediatly -> immediately - permenent -> permanent - paramter -> parameter - funciton -> function Cc: Jiewen Yao <jiewen.yao@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Gary Lin <glin@suse.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>
141 lines
4.4 KiB
C
141 lines
4.4 KiB
C
/** @file
|
|
|
|
Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php.
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#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 <FspApi.h>
|
|
|
|
#define SEC_IDT_ENTRY_COUNT 34
|
|
|
|
typedef VOID (*PEI_CORE_ENTRY) ( \
|
|
IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, \
|
|
IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList \
|
|
);
|
|
|
|
typedef struct _SEC_IDT_TABLE {
|
|
EFI_PEI_SERVICES *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[in] TemporaryMemoryBase Base address of the temporary memory.
|
|
@param[in] PermenentMemoryBase Base address of the permanent memory.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SecSwitchStack (
|
|
IN UINT32 TemporaryMemoryBase,
|
|
IN UINT32 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
|
|
);
|
|
|
|
/**
|
|
Initializes floating point units for requirement of UEFI specification.
|
|
|
|
This function initializes floating-point control word to 0x027F (all exceptions
|
|
masked,double-precision, round-to-nearest) and multimedia-extensions control word
|
|
(if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
|
|
for masked underflow).
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
InitializeFloatingPointUnits (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
|
|
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 UINT32 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
|
|
);
|
|
|
|
#endif
|