Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
bbahnsen
242
EdkModulePkg/Universal/Runtime/RuntimeDxe/Ipf/PeHotRelocateEx.c
Normal file
242
EdkModulePkg/Universal/Runtime/RuntimeDxe/Ipf/PeHotRelocateEx.c
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@ -0,0 +1,242 @@
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/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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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Module Name:
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PeHotRelocateEx.c
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Abstract:
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Fixes IPF specific relocation types
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Revision History
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--*/
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#include "Runtime.h"
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#include "PeHotRelocateEx.h"
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EFI_STATUS
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PeHotRelocateImageEx (
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IN UINT16 *Reloc,
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IN OUT CHAR8 *Fixup,
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IN OUT CHAR8 **FixupData,
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IN UINT64 Adjust
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)
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/*++
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Routine Description:
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Performs an IPF specific relocation fixup
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Arguments:
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Reloc - Pointer to the relocation record
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Fixup - Pointer to the address to fix up
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FixupData - Pointer to a buffer to log the fixups
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Adjust - The offset to adjust the fixup
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Returns:
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None
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--*/
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{
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UINT64 *F64;
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UINT64 FixupVal;
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switch ((*Reloc) >> 12) {
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case EFI_IMAGE_REL_BASED_DIR64:
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F64 = (UINT64 *) Fixup;
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*FixupData = ALIGN_POINTER (*FixupData, sizeof (UINT64));
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if (*(UINT64 *) (*FixupData) == *F64) {
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*F64 = *F64 + (UINT64) Adjust;
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}
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*FixupData = *FixupData + sizeof (UINT64);
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break;
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case EFI_IMAGE_REL_BASED_IA64_IMM64:
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F64 = (UINT64 *) Fixup;
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*FixupData = ALIGN_POINTER (*FixupData, sizeof (UINT64));
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if (*(UINT64 *) (*FixupData) == *F64) {
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//
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// Align it to bundle address before fixing up the
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// 64-bit immediate value of the movl instruction.
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//
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//
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Fixup = (CHAR8 *) ((UINT64) Fixup & (UINT64)~(15));
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FixupVal = (UINT64) 0;
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//
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// Extract the lower 32 bits of IMM64 from bundle
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//
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EXT_IMM64 (
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FixupVal,
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(UINT32 *) Fixup + IMM64_IMM7B_INST_WORD_X,
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IMM64_IMM7B_SIZE_X,
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IMM64_IMM7B_INST_WORD_POS_X,
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IMM64_IMM7B_VAL_POS_X
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);
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EXT_IMM64 (
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FixupVal,
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(UINT32 *) Fixup + IMM64_IMM9D_INST_WORD_X,
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IMM64_IMM9D_SIZE_X,
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IMM64_IMM9D_INST_WORD_POS_X,
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IMM64_IMM9D_VAL_POS_X
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);
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EXT_IMM64 (
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FixupVal,
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(UINT32 *) Fixup + IMM64_IMM5C_INST_WORD_X,
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IMM64_IMM5C_SIZE_X,
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IMM64_IMM5C_INST_WORD_POS_X,
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IMM64_IMM5C_VAL_POS_X
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);
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EXT_IMM64 (
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FixupVal,
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(UINT32 *) Fixup + IMM64_IC_INST_WORD_X,
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IMM64_IC_SIZE_X,
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IMM64_IC_INST_WORD_POS_X,
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IMM64_IC_VAL_POS_X
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);
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EXT_IMM64 (
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FixupVal,
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(UINT32 *) Fixup + IMM64_IMM41a_INST_WORD_X,
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IMM64_IMM41a_SIZE_X,
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IMM64_IMM41a_INST_WORD_POS_X,
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IMM64_IMM41a_VAL_POS_X
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);
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//
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// Update 64-bit address
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//
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FixupVal += Adjust;
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//
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// Insert IMM64 into bundle
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//
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INS_IMM64 (
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FixupVal,
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((UINT32 *) Fixup + IMM64_IMM7B_INST_WORD_X),
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IMM64_IMM7B_SIZE_X,
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IMM64_IMM7B_INST_WORD_POS_X,
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IMM64_IMM7B_VAL_POS_X
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);
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INS_IMM64 (
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FixupVal,
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((UINT32 *) Fixup + IMM64_IMM9D_INST_WORD_X),
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IMM64_IMM9D_SIZE_X,
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IMM64_IMM9D_INST_WORD_POS_X,
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IMM64_IMM9D_VAL_POS_X
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);
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INS_IMM64 (
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FixupVal,
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((UINT32 *) Fixup + IMM64_IMM5C_INST_WORD_X),
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IMM64_IMM5C_SIZE_X,
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IMM64_IMM5C_INST_WORD_POS_X,
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IMM64_IMM5C_VAL_POS_X
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);
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INS_IMM64 (
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FixupVal,
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((UINT32 *) Fixup + IMM64_IC_INST_WORD_X),
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IMM64_IC_SIZE_X,
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IMM64_IC_INST_WORD_POS_X,
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IMM64_IC_VAL_POS_X
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);
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INS_IMM64 (
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FixupVal,
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((UINT32 *) Fixup + IMM64_IMM41a_INST_WORD_X),
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IMM64_IMM41a_SIZE_X,
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IMM64_IMM41a_INST_WORD_POS_X,
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IMM64_IMM41a_VAL_POS_X
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);
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INS_IMM64 (
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FixupVal,
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((UINT32 *) Fixup + IMM64_IMM41b_INST_WORD_X),
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IMM64_IMM41b_SIZE_X,
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IMM64_IMM41b_INST_WORD_POS_X,
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IMM64_IMM41b_VAL_POS_X
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);
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INS_IMM64 (
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FixupVal,
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((UINT32 *) Fixup + IMM64_IMM41c_INST_WORD_X),
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IMM64_IMM41c_SIZE_X,
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IMM64_IMM41c_INST_WORD_POS_X,
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IMM64_IMM41c_VAL_POS_X
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);
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INS_IMM64 (
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FixupVal,
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((UINT32 *) Fixup + IMM64_SIGN_INST_WORD_X),
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IMM64_SIGN_SIZE_X,
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IMM64_SIGN_INST_WORD_POS_X,
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IMM64_SIGN_VAL_POS_X
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);
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*(UINT64 *) (*FixupData) = *F64;
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}
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*FixupData = *FixupData + sizeof (UINT64);
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break;
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default:
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DEBUG ((EFI_D_ERROR, "PeHotRelocateEx:unknown fixed type\n"));
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return EFI_UNSUPPORTED;
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}
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return EFI_SUCCESS;
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}
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//
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// Cache Flush Routine.
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//
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EFI_STATUS
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FlushCpuCache (
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IN EFI_PHYSICAL_ADDRESS Start,
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IN UINT64 Length
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)
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/*++
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Routine Description:
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Flush cache with specified range.
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Arguments:
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Start - Start address
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Length - Length in bytes
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Returns:
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Status code
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EFI_SUCCESS - success
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--*/
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{
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SalFlushCache (Start, Length);
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return EFI_SUCCESS;
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}
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@ -0,0 +1,76 @@
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/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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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Module Name:
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PeHotRelocateEx.h
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Abstract:
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Fixes Intel Itanium(TM) specific relocation types
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Revision History
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--*/
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#ifndef _PEHOTRELOCATE_EX_H_
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#define _PEHOTRELOCATE_EX_H_
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#define EXT_IMM64(Value, Address, Size, InstPos, ValPos) \
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Value |= (((UINT64) ((*(Address) >> InstPos) & (((UINT64) 1 << Size) - 1))) << ValPos)
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#define INS_IMM64(Value, Address, Size, InstPos, ValPos) \
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* (UINT32 *) Address = \
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(*(UINT32 *) Address &~(((1 << Size) - 1) << InstPos)) | \
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((UINT32) ((((UINT64) Value >> ValPos) & (((UINT64) 1 << Size) - 1))) << InstPos)
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#define IMM64_IMM7B_INST_WORD_X 3
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#define IMM64_IMM7B_SIZE_X 7
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#define IMM64_IMM7B_INST_WORD_POS_X 4
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#define IMM64_IMM7B_VAL_POS_X 0
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#define IMM64_IMM9D_INST_WORD_X 3
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#define IMM64_IMM9D_SIZE_X 9
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#define IMM64_IMM9D_INST_WORD_POS_X 18
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#define IMM64_IMM9D_VAL_POS_X 7
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#define IMM64_IMM5C_INST_WORD_X 3
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#define IMM64_IMM5C_SIZE_X 5
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#define IMM64_IMM5C_INST_WORD_POS_X 13
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#define IMM64_IMM5C_VAL_POS_X 16
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#define IMM64_IC_INST_WORD_X 3
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#define IMM64_IC_SIZE_X 1
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#define IMM64_IC_INST_WORD_POS_X 12
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#define IMM64_IC_VAL_POS_X 21
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#define IMM64_IMM41a_INST_WORD_X 1
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#define IMM64_IMM41a_SIZE_X 10
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#define IMM64_IMM41a_INST_WORD_POS_X 14
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#define IMM64_IMM41a_VAL_POS_X 22
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#define IMM64_IMM41b_INST_WORD_X 1
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#define IMM64_IMM41b_SIZE_X 8
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#define IMM64_IMM41b_INST_WORD_POS_X 24
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#define IMM64_IMM41b_VAL_POS_X 32
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#define IMM64_IMM41c_INST_WORD_X 2
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#define IMM64_IMM41c_SIZE_X 23
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#define IMM64_IMM41c_INST_WORD_POS_X 0
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#define IMM64_IMM41c_VAL_POS_X 40
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#define IMM64_SIGN_INST_WORD_X 3
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#define IMM64_SIGN_SIZE_X 1
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#define IMM64_SIGN_INST_WORD_POS_X 27
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#define IMM64_SIGN_VAL_POS_X 63
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#endif
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