diff options
Diffstat (limited to 'MdePkg/Library/UefiSalLib/UefiSalLib.c')
| -rw-r--r-- | MdePkg/Library/UefiSalLib/UefiSalLib.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/MdePkg/Library/UefiSalLib/UefiSalLib.c b/MdePkg/Library/UefiSalLib/UefiSalLib.c deleted file mode 100644 index 79e65cbd52b3..000000000000 --- a/MdePkg/Library/UefiSalLib/UefiSalLib.c +++ /dev/null @@ -1,139 +0,0 @@ -/** @file - SAL Library implementation retrieving the SAL Entry Point from the SAL System Table - register in the EFI System Configuration Table. - - Copyright (c) 2007 - 2010, 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. - -**/ - -#include <PiDxe.h> -#include <IndustryStandard/Sal.h> - -#include <Library/SalLib.h> -#include <Library/UefiLib.h> -#include <Library/DebugLib.h> - -#include <Guid/SalSystemTable.h> - -EFI_PLABEL mPlabel; -SAL_PROC mSalProcEntry; - -/** - Makes a SAL procedure call. - - This is a wrapper function to make a SAL procedure call. - No parameter checking is performed on the 8 input parameters, - but there are some common rules that the caller should follow - when making a SAL call. Any address passed to SAL as buffers - for return parameters must be 8-byte aligned. Unaligned - addresses may cause undefined results. For those parameters - defined as reserved or some fields defined as reserved must be - zero filled or the invalid argument return value may be returned - or undefined result may occur during the execution of the procedure. - This function is only available on IPF. - - @param Index The SAL procedure Index number. - @param Arg2 The 2nd parameter for SAL procedure calls. - @param Arg3 The 3rd parameter for SAL procedure calls. - @param Arg4 The 4th parameter for SAL procedure calls. - @param Arg5 The 5th parameter for SAL procedure calls. - @param Arg6 The 6th parameter for SAL procedure calls. - @param Arg7 The 7th parameter for SAL procedure calls. - @param Arg8 The 8th parameter for SAL procedure calls. - - @return SAL returned registers. - -**/ -SAL_RETURN_REGS -EFIAPI -SalCall ( - IN UINT64 Index, - IN UINT64 Arg2, - IN UINT64 Arg3, - IN UINT64 Arg4, - IN UINT64 Arg5, - IN UINT64 Arg6, - IN UINT64 Arg7, - IN UINT64 Arg8 - ) -{ - // - // mSalProcEntry is initialized in library constructor as SAL entry. - // - return mSalProcEntry( - Index, - Arg2, - Arg3, - Arg4, - Arg5, - Arg6, - Arg7, - Arg8 - ); - -} - -/** - The constructor function of UEFI SAL Lib. - - The constructor function looks up the SAL System Table in the EFI System Configuration - Table. Once the SAL System Table is found, the SAL Entry Point in the SAL System Table - will be derived and stored into a global variable for library usage. - It will ASSERT() if the SAL System Table cannot be found or the data in the SAL System - Table is not the valid data. - - @param ImageHandle The firmware allocated handle for the EFI image. - @param SystemTable A pointer to the EFI System Table. - - @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS. - -**/ -EFI_STATUS -EFIAPI -UefiSalLibConstructor ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -{ - EFI_STATUS Status; - SAL_ST_ENTRY_POINT_DESCRIPTOR *SalStEntryDes; - SAL_SYSTEM_TABLE_HEADER *SalSystemTable; - - Status = EfiGetSystemConfigurationTable ( - &gEfiSalSystemTableGuid, - (VOID **) &SalSystemTable - ); - ASSERT_EFI_ERROR (Status); - ASSERT (SalSystemTable != NULL); - - // - // Check the first entry of SAL System Table, - // because the SAL entry is in ascending order with the entry type, - // the type 0 entry should be the first if exist. - // - SalStEntryDes = (SAL_ST_ENTRY_POINT_DESCRIPTOR *)(SalSystemTable + 1); - - // - // Assure the SAL ENTRY Type is 0 - // - ASSERT (SalStEntryDes->Type == EFI_SAL_ST_ENTRY_POINT); - - mPlabel.EntryPoint = SalStEntryDes->SalProcEntry; - mPlabel.GP = SalStEntryDes->SalGlobalDataPointer; - // - // Make sure the EntryPoint has the valid value - // - ASSERT ((mPlabel.EntryPoint != 0) && (mPlabel.GP != 0)); - - mSalProcEntry = (SAL_PROC)((UINT64)&(mPlabel.EntryPoint)); - - return EFI_SUCCESS; -} |