mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-03 13:13:30 +01:00
1212 lines
25 KiB
C
1212 lines
25 KiB
C
/** @file
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Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "Edb.h"
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extern EDB_DISASM_INSTRUCTION mEdbDisasmInstructionTable[];
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typedef struct {
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CHAR16 Name[EDB_INSTRUCTION_NAME_MAX_LENGTH];
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CHAR16 Content[EDB_INSTRUCTION_CONTENT_MAX_LENGTH];
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CHAR16 Tail;
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} EDB_INSTRUCTION_STRING;
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EDB_INSTRUCTION_STRING mInstructionString;
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UINTN mInstructionNameOffset;
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UINTN mInstructionContentOffset;
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/**
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Set offset for Instruction name and content.
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@param InstructionNameOffset - Instruction name offset
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@param InstructionContentOffset - Instruction content offset
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**/
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VOID
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EdbSetOffset (
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IN UINTN InstructionNameOffset,
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IN UINTN InstructionContentOffset
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)
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{
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mInstructionNameOffset = InstructionNameOffset;
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mInstructionContentOffset = InstructionContentOffset;
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return ;
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}
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/**
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Pre instruction string construction.
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@return Instruction string
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**/
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CHAR16 *
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EdbPreInstructionString (
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VOID
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)
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{
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ZeroMem (&mInstructionString, sizeof(mInstructionString));
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mInstructionNameOffset = 0;
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mInstructionContentOffset = 0;
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return (CHAR16 *)&mInstructionString;
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}
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/**
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Post instruction string construction.
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@return Instruction string
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**/
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CHAR16 *
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EdbPostInstructionString (
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VOID
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)
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{
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CHAR16 *Char;
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for (Char = (CHAR16 *)&mInstructionString; Char < &mInstructionString.Tail; Char++) {
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if (*Char == 0) {
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*Char = L' ';
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}
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}
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mInstructionString.Tail = 0;
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mInstructionNameOffset = 0;
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mInstructionContentOffset = 0;
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return (CHAR16 *)&mInstructionString;
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}
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/**
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Get Sign, NaturalUnits, and ConstantUnits of the WORD data.
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@param Data16 - WORD data
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@param NaturalUnits - Natural Units of the WORD
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@param ConstantUnits - Constant Units of the WORD
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@return Sign value of WORD
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**/
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BOOLEAN
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EdbGetNaturalIndex16 (
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IN UINT16 Data16,
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OUT UINTN *NaturalUnits,
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OUT UINTN *ConstantUnits
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)
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{
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BOOLEAN Sign;
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UINTN NaturalUnitBit;
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Sign = (BOOLEAN)(Data16 >> 15);
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NaturalUnitBit = (UINTN)((Data16 >> 12) & 0x7);
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NaturalUnitBit *= 2;
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Data16 = Data16 & 0xFFF;
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*NaturalUnits = (UINTN)(Data16 & ((1 << NaturalUnitBit) - 1));
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*ConstantUnits = (UINTN)((Data16 >> NaturalUnitBit) & ((1 << (12 - NaturalUnitBit)) - 1));
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return Sign;
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}
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/**
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Get Sign, NaturalUnits, and ConstantUnits of the DWORD data.
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@param Data32 - DWORD data
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@param NaturalUnits - Natural Units of the DWORD
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@param ConstantUnits - Constant Units of the DWORD
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@return Sign value of DWORD
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**/
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BOOLEAN
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EdbGetNaturalIndex32 (
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IN UINT32 Data32,
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OUT UINTN *NaturalUnits,
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OUT UINTN *ConstantUnits
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)
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{
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BOOLEAN Sign;
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UINTN NaturalUnitBit;
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Sign = (BOOLEAN)(Data32 >> 31);
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NaturalUnitBit = (UINTN)((Data32 >> 28) & 0x7);
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NaturalUnitBit *= 4;
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Data32 = Data32 & 0xFFFFFFF;
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*NaturalUnits = (UINTN)(Data32 & ((1 << NaturalUnitBit) - 1));
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*ConstantUnits = (UINTN)((Data32 >> NaturalUnitBit) & ((1 << (28 - NaturalUnitBit)) - 1));
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return Sign;
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}
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/**
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Get Sign, NaturalUnits, and ConstantUnits of the QWORD data.
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@param Data64 - QWORD data
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@param NaturalUnits - Natural Units of the QWORD
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@param ConstantUnits - Constant Units of the QWORD
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@return Sign value of QWORD
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**/
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BOOLEAN
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EdbGetNaturalIndex64 (
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IN UINT64 Data64,
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OUT UINT64 *NaturalUnits,
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OUT UINT64 *ConstantUnits
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)
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{
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BOOLEAN Sign;
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UINTN NaturalUnitBit;
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Sign = (BOOLEAN)RShiftU64 (Data64, 63);
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NaturalUnitBit = (UINTN)(RShiftU64 (Data64, 60) & 0x7);
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NaturalUnitBit *= 8;
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Data64 = RShiftU64 (LShiftU64 (Data64, 4), 4);
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*NaturalUnits = (UINT64)(Data64 & (LShiftU64 (1, NaturalUnitBit) - 1));
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*ConstantUnits = (UINT64)(RShiftU64 (Data64, NaturalUnitBit) & (LShiftU64 (1, (60 - NaturalUnitBit)) - 1));
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return Sign;
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}
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/**
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Get Bit Width of the value.
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@param Value - data
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@return Bit width
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**/
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UINT8
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EdbGetBitWidth (
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IN UINT64 Value
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)
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{
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if (Value >= 10000000000000) {
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return 14;
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} else if (Value >= 1000000000000) {
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return 13;
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} else if (Value >= 100000000000) {
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return 12;
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} else if (Value >= 10000000000) {
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return 11;
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} else if (Value >= 1000000000) {
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return 10;
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} else if (Value >= 100000000) {
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return 9;
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} else if (Value >= 10000000) {
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return 8;
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} else if (Value >= 1000000) {
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return 7;
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} else if (Value >= 100000) {
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return 6;
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} else if (Value >= 10000) {
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return 5;
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} else if (Value >= 1000) {
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return 4;
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} else if (Value >= 100) {
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return 3;
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} else if (Value >= 10) {
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return 2;
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} else {
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return 1;
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}
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}
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/**
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Print the instruction name.
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@param Name - instruction name
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@return Instruction name offset
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**/
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UINTN
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EdbPrintInstructionName (
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IN CHAR16 *Name
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)
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{
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EDBSPrintWithOffset (
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mInstructionString.Name,
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EDB_INSTRUCTION_NAME_MAX_SIZE,
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mInstructionNameOffset,
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L"%s",
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Name
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);
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mInstructionNameOffset += StrLen (Name);
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return mInstructionNameOffset;
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}
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/**
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Print register 1 in operands.
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@param Operands - instruction operands
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@return Instruction content offset
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**/
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UINTN
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EdbPrintRegister1 (
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IN UINT8 Operands
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)
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{
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if ((Operands & OPERAND_M_INDIRECT1) != 0) {
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
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mInstructionContentOffset,
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L"@"
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);
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mInstructionContentOffset += 1;
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}
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
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mInstructionContentOffset,
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L"R%d",
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(UINTN)(Operands & OPERAND_M_OP1)
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);
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mInstructionContentOffset += 2;
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return mInstructionContentOffset;
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}
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/**
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Print register 2 in operands.
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@param Operands - instruction operands
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@return Instruction content offset
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**/
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UINTN
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EdbPrintRegister2 (
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IN UINT8 Operands
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)
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{
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if ((Operands & OPERAND_M_INDIRECT2) != 0) {
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
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mInstructionContentOffset,
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L"@"
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);
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mInstructionContentOffset += 1;
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}
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
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mInstructionContentOffset,
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L"R%d",
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(UINTN)((Operands & OPERAND_M_OP2) >> 4)
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);
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mInstructionContentOffset += 2;
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return mInstructionContentOffset;
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}
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/**
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Print dedicated register 1 in operands.
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@param Operands - instruction operands
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@return Instruction content offset
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**/
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UINTN
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EdbPrintDedicatedRegister1 (
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IN UINT8 Operands
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)
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{
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switch (Operands & OPERAND_M_OP1) {
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case 0:
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
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mInstructionContentOffset,
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L"[FLAGS]"
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);
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mInstructionContentOffset += 7;
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break;
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case 1:
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
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mInstructionContentOffset,
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L"[IP]"
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);
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mInstructionContentOffset += 4;
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break;
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}
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return mInstructionContentOffset;
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}
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/**
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Print dedicated register 2 in operands.
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@param Operands - instruction operands
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@return Instruction content offset
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**/
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UINTN
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EdbPrintDedicatedRegister2 (
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IN UINT8 Operands
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)
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{
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switch ((Operands & OPERAND_M_OP2) >> 4) {
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case 0:
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
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mInstructionContentOffset,
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L"[FLAGS]"
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);
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mInstructionContentOffset += 7;
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break;
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case 1:
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
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mInstructionContentOffset,
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L"[IP]"
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);
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mInstructionContentOffset += 4;
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break;
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}
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return mInstructionContentOffset;
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}
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/**
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Print the hexical UINTN index data to instruction content.
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@param Sign - Signed bit of UINTN data
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@param NaturalUnits - natural units of UINTN data
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@param ConstantUnits - natural units of UINTN data
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@return Instruction content offset
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**/
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UINTN
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EdbPrintIndexData (
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IN BOOLEAN Sign,
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IN UINTN NaturalUnits,
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IN UINTN ConstantUnits
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)
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{
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
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mInstructionContentOffset,
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L"(%s%d,%s%d)",
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Sign ? L"-" : L"+",
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NaturalUnits,
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Sign ? L"-" : L"+",
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ConstantUnits
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);
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mInstructionContentOffset = mInstructionContentOffset + 5 + EdbGetBitWidth (NaturalUnits) + EdbGetBitWidth (ConstantUnits);
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return mInstructionContentOffset;
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}
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/**
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Print the hexical QWORD index data to instruction content.
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@param Sign - Signed bit of QWORD data
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@param NaturalUnits - natural units of QWORD data
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@param ConstantUnits - natural units of QWORD data
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@return Instruction content offset
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**/
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UINTN
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EdbPrintIndexData64 (
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IN BOOLEAN Sign,
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IN UINT64 NaturalUnits,
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IN UINT64 ConstantUnits
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)
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{
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
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mInstructionContentOffset,
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L"(%s%ld,%s%ld)",
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Sign ? L"-" : L"+",
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NaturalUnits,
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Sign ? L"-" : L"+",
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ConstantUnits
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);
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mInstructionContentOffset = mInstructionContentOffset + 5 + EdbGetBitWidth (NaturalUnits) + EdbGetBitWidth (ConstantUnits);
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return mInstructionContentOffset;
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}
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/**
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Print the hexical WORD raw index data to instruction content.
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@param Data16 - WORD data
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@return Instruction content offset
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**/
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UINTN
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EdbPrintRawIndexData16 (
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IN UINT16 Data16
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)
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{
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BOOLEAN Sign;
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UINTN NaturalUnits;
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UINTN ConstantUnits;
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UINTN Offset;
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Sign = EdbGetNaturalIndex16 (Data16, &NaturalUnits, &ConstantUnits);
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Offset = EdbPrintIndexData (Sign, NaturalUnits, ConstantUnits);
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return Offset;
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}
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/**
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Print the hexical DWORD raw index data to instruction content.
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@param Data32 - DWORD data
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@return Instruction content offset
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**/
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UINTN
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EdbPrintRawIndexData32 (
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IN UINT32 Data32
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)
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{
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BOOLEAN Sign;
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UINTN NaturalUnits;
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UINTN ConstantUnits;
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UINTN Offset;
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Sign = EdbGetNaturalIndex32 (Data32, &NaturalUnits, &ConstantUnits);
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Offset = EdbPrintIndexData (Sign, NaturalUnits, ConstantUnits);
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return Offset;
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}
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/**
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Print the hexical QWORD raw index data to instruction content.
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|
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@param Data64 - QWORD data
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@return Instruction content offset
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**/
|
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UINTN
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EdbPrintRawIndexData64 (
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IN UINT64 Data64
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)
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{
|
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BOOLEAN Sign;
|
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UINT64 NaturalUnits;
|
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UINT64 ConstantUnits;
|
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UINTN Offset;
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Sign = EdbGetNaturalIndex64 (Data64, &NaturalUnits, &ConstantUnits);
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Offset = EdbPrintIndexData64 (Sign, NaturalUnits, ConstantUnits);
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return Offset;
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}
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|
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/**
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|
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Print the hexical BYTE immediate data to instruction content.
|
|
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@param Data - BYTE data
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@return Instruction content offset
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**/
|
|
UINTN
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EdbPrintImmData8 (
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IN UINT8 Data
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)
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{
|
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EDBSPrintWithOffset (
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mInstructionString.Content,
|
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
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mInstructionContentOffset,
|
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L"(0x%02x)",
|
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(UINTN)Data
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);
|
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mInstructionContentOffset += 6;
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|
|
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return mInstructionContentOffset;
|
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}
|
|
|
|
/**
|
|
|
|
Print the hexical WORD immediate data to instruction content.
|
|
|
|
@param Data - WORD data
|
|
|
|
@return Instruction content offset
|
|
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**/
|
|
UINTN
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EdbPrintImmData16 (
|
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IN UINT16 Data
|
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)
|
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{
|
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EDBSPrintWithOffset (
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mInstructionString.Content,
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EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
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mInstructionContentOffset,
|
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L"(0x%04x)",
|
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(UINTN)Data
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);
|
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mInstructionContentOffset += 8;
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|
|
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return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the hexical DWORD immediate data to instruction content.
|
|
|
|
@param Data - DWORD data
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|
|
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@return Instruction content offset
|
|
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**/
|
|
UINTN
|
|
EdbPrintImmData32 (
|
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IN UINT32 Data
|
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)
|
|
{
|
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EDBSPrintWithOffset (
|
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mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
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mInstructionContentOffset,
|
|
L"(0x%08x)",
|
|
(UINTN)Data
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);
|
|
mInstructionContentOffset += 12;
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the hexical QWORD immediate data to instruction content.
|
|
|
|
@param Data - QWORD data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintImmData64 (
|
|
IN UINT64 Data
|
|
)
|
|
{
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"(0x%016lx)",
|
|
Data
|
|
);
|
|
mInstructionContentOffset += 20;
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the decimal UINTN immediate data to instruction content.
|
|
|
|
@param Data - UINTN data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintImmDatan (
|
|
IN UINTN Data
|
|
)
|
|
{
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"(%d)",
|
|
(UINTN)Data
|
|
);
|
|
mInstructionContentOffset = mInstructionContentOffset + 2 + EdbGetBitWidth (Data);
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the decimal QWORD immediate data to instruction content.
|
|
|
|
@param Data64 - QWORD data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintImmData64n (
|
|
IN UINT64 Data64
|
|
)
|
|
{
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"(%ld)",
|
|
Data64
|
|
);
|
|
mInstructionContentOffset = mInstructionContentOffset + 2 + EdbGetBitWidth (Data64);
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the hexical BYTE to instruction content.
|
|
|
|
@param Data8 - BYTE data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintData8 (
|
|
IN UINT8 Data8
|
|
)
|
|
{
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"0x%02x",
|
|
(UINTN)Data8
|
|
);
|
|
mInstructionContentOffset += 4;
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the hexical WORD to instruction content.
|
|
|
|
@param Data16 - WORD data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintData16 (
|
|
IN UINT16 Data16
|
|
)
|
|
{
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"0x%04x",
|
|
(UINTN)Data16
|
|
);
|
|
mInstructionContentOffset += 6;
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the hexical DWORD to instruction content.
|
|
|
|
@param Data32 - DWORD data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintData32 (
|
|
IN UINT32 Data32
|
|
)
|
|
{
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"0x%08x",
|
|
(UINTN)Data32
|
|
);
|
|
mInstructionContentOffset += 10;
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the hexical QWORD to instruction content.
|
|
|
|
@param Data64 - QWORD data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintData64 (
|
|
IN UINT64 Data64
|
|
)
|
|
{
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"0x%016lx",
|
|
(UINT64)Data64
|
|
);
|
|
mInstructionContentOffset += 18;
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the decimal unsigned UINTN to instruction content.
|
|
|
|
@param Data - unsigned UINTN data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintDatan (
|
|
IN UINTN Data
|
|
)
|
|
{
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"%d",
|
|
(UINTN)Data
|
|
);
|
|
mInstructionContentOffset = mInstructionContentOffset + EdbGetBitWidth (Data);
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the decimal unsigned QWORD to instruction content.
|
|
|
|
@param Data64 - unsigned QWORD data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintData64n (
|
|
IN UINT64 Data64
|
|
)
|
|
{
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"%ld",
|
|
Data64
|
|
);
|
|
mInstructionContentOffset = mInstructionContentOffset + EdbGetBitWidth (Data64);
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the decimal signed BYTE to instruction content.
|
|
|
|
@param Data8 - signed BYTE data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintData8s (
|
|
IN UINT8 Data8
|
|
)
|
|
{
|
|
BOOLEAN Sign;
|
|
|
|
Sign = (BOOLEAN)(Data8 >> 7);
|
|
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"%s%d",
|
|
Sign ? L"-" : L"+",
|
|
(UINTN)(Data8 & 0x7F)
|
|
);
|
|
mInstructionContentOffset = mInstructionContentOffset + 1 + EdbGetBitWidth (Data8 & 0x7F);
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the decimal signed WORD to instruction content.
|
|
|
|
@param Data16 - signed WORD data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintData16s (
|
|
IN UINT16 Data16
|
|
)
|
|
{
|
|
BOOLEAN Sign;
|
|
|
|
Sign = (BOOLEAN)(Data16 >> 15);
|
|
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"%s%d",
|
|
Sign ? L"-" : L"+",
|
|
(UINTN)(Data16 & 0x7FFF)
|
|
);
|
|
mInstructionContentOffset = mInstructionContentOffset + 1 + EdbGetBitWidth (Data16 & 0x7FFF);
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the decimal signed DWORD to instruction content.
|
|
|
|
@param Data32 - signed DWORD data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintData32s (
|
|
IN UINT32 Data32
|
|
)
|
|
{
|
|
BOOLEAN Sign;
|
|
|
|
Sign = (BOOLEAN)(Data32 >> 31);
|
|
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"%s%d",
|
|
Sign ? L"-" : L"+",
|
|
(UINTN)(Data32 & 0x7FFFFFFF)
|
|
);
|
|
mInstructionContentOffset = mInstructionContentOffset + 1 + EdbGetBitWidth (Data32 & 0x7FFFFFFF);
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the decimal signed QWORD to instruction content.
|
|
|
|
@param Data64 - signed QWORD data
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintData64s (
|
|
IN UINT64 Data64
|
|
)
|
|
{
|
|
BOOLEAN Sign;
|
|
INT64 Data64s;
|
|
|
|
Sign = (BOOLEAN)RShiftU64 (Data64, 63);
|
|
Data64s = (INT64)RShiftU64 (LShiftU64 (Data64, 1), 1);
|
|
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"%s%ld",
|
|
Sign ? L"-" : L"+",
|
|
(UINT64)Data64s
|
|
);
|
|
mInstructionContentOffset = mInstructionContentOffset + 1 + EdbGetBitWidth (Data64s);
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the comma to instruction content.
|
|
|
|
@return Instruction content offset
|
|
|
|
**/
|
|
UINTN
|
|
EdbPrintComma (
|
|
VOID
|
|
)
|
|
{
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L", "
|
|
);
|
|
mInstructionContentOffset += 2;
|
|
|
|
return mInstructionContentOffset;
|
|
}
|
|
|
|
/**
|
|
|
|
Find the symbol string according to address, then print it.
|
|
|
|
@param Address - instruction address
|
|
|
|
@retval 1 - symbol string is found and printed
|
|
@retval 0 - symbol string not found
|
|
|
|
**/
|
|
UINTN
|
|
EdbFindAndPrintSymbol (
|
|
IN UINTN Address
|
|
)
|
|
{
|
|
CHAR8 *SymbolStr;
|
|
|
|
SymbolStr = FindSymbolStr (Address);
|
|
if (SymbolStr != NULL) {
|
|
EDBSPrintWithOffset (
|
|
mInstructionString.Content,
|
|
EDB_INSTRUCTION_CONTENT_MAX_SIZE,
|
|
mInstructionContentOffset,
|
|
L"[%a]",
|
|
SymbolStr
|
|
);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the EBC byte code.
|
|
|
|
@param InstructionAddress - instruction address
|
|
@param InstructionNumber - instruction number
|
|
|
|
**/
|
|
VOID
|
|
EdbPrintRaw (
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
|
IN UINTN InstructionNumber
|
|
)
|
|
{
|
|
UINTN LineNumber;
|
|
UINTN ByteNumber;
|
|
UINTN LineIndex;
|
|
UINTN ByteIndex;
|
|
CHAR8 *SymbolStr;
|
|
|
|
if (InstructionNumber == 0) {
|
|
return ;
|
|
}
|
|
|
|
LineNumber = InstructionNumber / EDB_BYTECODE_NUMBER_IN_LINE;
|
|
ByteNumber = InstructionNumber % EDB_BYTECODE_NUMBER_IN_LINE;
|
|
if (ByteNumber == 0) {
|
|
LineNumber -= 1;
|
|
ByteNumber = EDB_BYTECODE_NUMBER_IN_LINE;
|
|
}
|
|
|
|
//
|
|
// Print Symbol
|
|
//
|
|
SymbolStr = FindSymbolStr ((UINTN)InstructionAddress);
|
|
if (SymbolStr != NULL) {
|
|
EDBPrint (L"[%a]:\n", SymbolStr);
|
|
}
|
|
|
|
for (LineIndex = 0; LineIndex < LineNumber; LineIndex++) {
|
|
EDBPrint (EDB_PRINT_ADDRESS_FORMAT, (UINTN)InstructionAddress);
|
|
for (ByteIndex = 0; ByteIndex < EDB_BYTECODE_NUMBER_IN_LINE; ByteIndex++) {
|
|
EDBPrint (L"%02x ", *(UINT8 *)(UINTN)InstructionAddress);
|
|
InstructionAddress += 1;
|
|
}
|
|
EDBPrint (L"\n");
|
|
}
|
|
|
|
EDBPrint (EDB_PRINT_ADDRESS_FORMAT, (UINTN)InstructionAddress);
|
|
for (ByteIndex = 0; ByteIndex < ByteNumber; ByteIndex++) {
|
|
EDBPrint (L"%02x ", *(UINT8 *)(UINTN)InstructionAddress);
|
|
InstructionAddress += 1;
|
|
}
|
|
for (ByteIndex = 0; ByteIndex < EDB_BYTECODE_NUMBER_IN_LINE - ByteNumber; ByteIndex++) {
|
|
EDBPrint (L" ");
|
|
}
|
|
|
|
return ;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the EBC asm code.
|
|
|
|
@param DebuggerPrivate - EBC Debugger private data structure
|
|
@param SystemContext - EBC system context.
|
|
|
|
@retval EFI_SUCCESS - show disasm successfully
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EdbShowDisasm (
|
|
IN EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
|
|
IN EFI_SYSTEM_CONTEXT SystemContext
|
|
)
|
|
{
|
|
EFI_PHYSICAL_ADDRESS InstructionAddress;
|
|
UINTN InstructionNumber;
|
|
UINTN InstructionLength;
|
|
UINT8 Opcode;
|
|
CHAR16 *InstructionString;
|
|
// UINTN Result;
|
|
|
|
InstructionAddress = DebuggerPrivate->InstructionScope;
|
|
for (InstructionNumber = 0; InstructionNumber < DebuggerPrivate->InstructionNumber; InstructionNumber++) {
|
|
|
|
//
|
|
// Break each 0x10 instruction
|
|
//
|
|
if (((InstructionNumber % EFI_DEBUGGER_LINE_NUMBER_IN_PAGE) == 0) &&
|
|
(InstructionNumber != 0)) {
|
|
if (SetPageBreak ()) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
Opcode = GET_OPCODE(InstructionAddress);
|
|
if ((Opcode < OPCODE_MAX) && (mEdbDisasmInstructionTable[Opcode] != NULL)) {
|
|
InstructionLength = mEdbDisasmInstructionTable [Opcode] (InstructionAddress, SystemContext, &InstructionString);
|
|
if (InstructionLength != 0) {
|
|
|
|
//
|
|
// Print Source
|
|
//
|
|
// Result = EdbPrintSource ((UINTN)InstructionAddress, FALSE);
|
|
|
|
if (!DebuggerPrivate->DebuggerSymbolContext.DisplayCodeOnly) {
|
|
|
|
EdbPrintRaw (InstructionAddress, InstructionLength);
|
|
if (InstructionString != NULL) {
|
|
EDBPrint (L"%s\n", InstructionString);
|
|
} else {
|
|
EDBPrint (L"%s\n", L"<Unknown Instruction>");
|
|
}
|
|
}
|
|
|
|
EdbPrintSource ((UINTN)InstructionAddress, TRUE);
|
|
|
|
InstructionAddress += InstructionLength;
|
|
} else {
|
|
//
|
|
// Something wrong with OPCODE
|
|
//
|
|
EdbPrintRaw (InstructionAddress, EDB_BYTECODE_NUMBER_IN_LINE);
|
|
EDBPrint (L"%s\n", L"<Bad Instruction>");
|
|
break;
|
|
}
|
|
} else {
|
|
//
|
|
// Something wrong with OPCODE
|
|
//
|
|
EdbPrintRaw (InstructionAddress, EDB_BYTECODE_NUMBER_IN_LINE);
|
|
EDBPrint (L"%s\n", L"<Bad Instruction>");
|
|
break;
|
|
}
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
|
|
Get register value according to the system context, and register index.
|
|
|
|
@param SystemContext - EBC system context.
|
|
@param Index - EBC register index
|
|
|
|
@return register value
|
|
|
|
**/
|
|
UINT64
|
|
GetRegisterValue (
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
|
IN UINT8 Index
|
|
)
|
|
{
|
|
switch (Index) {
|
|
case 0:
|
|
return SystemContext.SystemContextEbc->R0;
|
|
case 1:
|
|
return SystemContext.SystemContextEbc->R1;
|
|
case 2:
|
|
return SystemContext.SystemContextEbc->R2;
|
|
case 3:
|
|
return SystemContext.SystemContextEbc->R3;
|
|
case 4:
|
|
return SystemContext.SystemContextEbc->R4;
|
|
case 5:
|
|
return SystemContext.SystemContextEbc->R5;
|
|
case 6:
|
|
return SystemContext.SystemContextEbc->R6;
|
|
case 7:
|
|
return SystemContext.SystemContextEbc->R7;
|
|
default:
|
|
ASSERT (FALSE);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|