From 1a3eaf06d52a64b4de0942700ba4c01533f53e0f Mon Sep 17 00:00:00 2001 From: xli24 Date: Tue, 11 Nov 2008 08:33:02 +0000 Subject: Add following library instances to MDE package: 1. DxePciLibPciRootBridgeIo 2. DxePciSegmentLibPciRootBridgeIo 3. PeiPciLibPciCfg2 4. PeiPciSegmentLibPciCfg2 5. UefiPalLib 6. UefiSalLib git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6451 6f19259b-4bc3-4df7-8a09-765794883524 --- MdePkg/Library/UefiSalLib/UefiSalLib.c | 138 +++++++++++++++++++++++++++++++ MdePkg/Library/UefiSalLib/UefiSalLib.inf | 45 ++++++++++ 2 files changed, 183 insertions(+) create mode 100644 MdePkg/Library/UefiSalLib/UefiSalLib.c create mode 100644 MdePkg/Library/UefiSalLib/UefiSalLib.inf (limited to 'MdePkg/Library/UefiSalLib') diff --git a/MdePkg/Library/UefiSalLib/UefiSalLib.c b/MdePkg/Library/UefiSalLib/UefiSalLib.c new file mode 100644 index 0000000000..e41cc0d980 --- /dev/null +++ b/MdePkg/Library/UefiSalLib/UefiSalLib.c @@ -0,0 +1,138 @@ +/** @file + SAL Library implementation built upon UEFI. + + Copyright (c) 2007 - 2008, Intel Corporation All rights + reserved. 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 +#include + +#include +#include +#include + +#include + +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 inot 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); + + // + // Move the SAL System Table point to the first Entry + // Due to 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 real value + // + ASSERT ((mPlabel.EntryPoint != 0) && (mPlabel.GP != 0)); + + mSalProcEntry = (SAL_PROC)((UINT64)&(mPlabel.EntryPoint)); + + return EFI_SUCCESS; +} diff --git a/MdePkg/Library/UefiSalLib/UefiSalLib.inf b/MdePkg/Library/UefiSalLib/UefiSalLib.inf new file mode 100644 index 0000000000..60fe4eae00 --- /dev/null +++ b/MdePkg/Library/UefiSalLib/UefiSalLib.inf @@ -0,0 +1,45 @@ +# @file +# The library implements the UEFI SAL Library Class. +# +# The library implements the UEFI SAL Library Class. +# This library is for boot service only modules. +# +# Copyright (c) 2007, Intel Corporation. +# +# All rights reserved. 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. +# +# +# + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = UefiSalLib + FILE_GUID = 4ABCFD77-4A33-4089-B003-5F09BCA940A2 + MODULE_TYPE = UEFI_DRIVER + VERSION_STRING = 1.04 + LIBRARY_CLASS = SalLib|UEFI_DRIVER UEFI_APPLICATION + EDK_RELEASE_VERSION = 0x00020000 + EFI_SPECIFICATION_VERSION = 0x00020000 + + CONSTRUCTOR = UefiSalLibConstructor +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IPF +# + +[Sources.IPF] + UefiSalLib.c + +[Packages] + MdePkg/MdePkg.dec + +[LibraryClasses] + UefiLib + BaseLib + DebugLib -- cgit v1.2.3