058dcbf2b2
- tempory -> temporary - immediatly -> immediately - permenent -> permanent - funciton -> function Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Giri P Mudusuru <giri.p.mudusuru@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
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Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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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/TemporaryRamSupport.h>
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#include <Library/BaseLib.h>
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#include <Library/IoLib.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/PciCf8Lib.h>
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#include <Library/SerialPortLib.h>
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#include <Library/FspSwitchStackLib.h>
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#include <Library/FspCommonLib.h>
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#include <FspEas.h>
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#define SEC_IDT_ENTRY_COUNT 34
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typedef VOID (*PEI_CORE_ENTRY) ( \
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IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, \
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IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList \
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);
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typedef struct _SEC_IDT_TABLE {
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EFI_PEI_SERVICES *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[in] TemporaryMemoryBase Base address of the temporary memory.
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@param[in] 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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IN UINT32 TemporaryMemoryBase,
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IN 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[in] PeiServices Pointer to the PEI Services Table.
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@param[in] 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[in] 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[in] 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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Initializes floating point units for requirement of UEFI specification.
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This function initializes floating-point control word to 0x027F (all exceptions
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masked,double-precision, round-to-nearest) and multimedia-extensions control word
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(if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
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for masked underflow).
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**/
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VOID
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EFIAPI
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InitializeFloatingPointUnits (
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VOID
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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[in] SizeOfRam Size of the temporary memory available for use.
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@param[in] TempRamBase Base address of temporary ram
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@param[in] BootFirmwareVolume Base address of the Boot Firmware Volume.
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@param[in] PeiCore PeiCore entry point.
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@param[in] BootLoaderStack BootLoader stack.
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@param[in] ApiIdx the index of API.
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@return This function never returns.
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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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IN PEI_CORE_ENTRY PeiCore,
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IN UINT32 BootLoaderStack,
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IN UINT32 ApiIdx
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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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