mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-12 14:36:56 +01:00
1771 lines
46 KiB
C
1771 lines
46 KiB
C
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/** @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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//
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// Debugger Disasm definition
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//
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#define EDB_DISASM_DEFINE(func) \
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UINTN \
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func ( \
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IN EFI_PHYSICAL_ADDRESS InstructionAddress, \
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IN EFI_SYSTEM_CONTEXT SystemContext, \
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OUT CHAR16 **DisasmString \
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)
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EDB_DISASM_DEFINE (EdbDisasmBREAK);
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EDB_DISASM_DEFINE (EdbDisasmJMP);
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EDB_DISASM_DEFINE (EdbDisasmJMP8);
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EDB_DISASM_DEFINE (EdbDisasmCALL);
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EDB_DISASM_DEFINE (EdbDisasmRET);
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EDB_DISASM_DEFINE (EdbDisasmCMP);
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EDB_DISASM_DEFINE (EdbDisasmUnsignedDataManip);
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EDB_DISASM_DEFINE (EdbDisasmSignedDataManip);
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EDB_DISASM_DEFINE (EdbDisasmMOVxx);
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EDB_DISASM_DEFINE (EdbDisasmMOVsnw);
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EDB_DISASM_DEFINE (EdbDisasmMOVsnd);
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EDB_DISASM_DEFINE (EdbDisasmLOADSP);
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EDB_DISASM_DEFINE (EdbDisasmSTORESP);
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EDB_DISASM_DEFINE (EdbDisasmPUSH);
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EDB_DISASM_DEFINE (EdbDisasmPOP);
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EDB_DISASM_DEFINE (EdbDisasmCMPI);
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EDB_DISASM_DEFINE (EdbDisasmPUSHn);
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EDB_DISASM_DEFINE (EdbDisasmPOPn);
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EDB_DISASM_DEFINE (EdbDisasmMOVI);
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EDB_DISASM_DEFINE (EdbDisasmMOVIn);
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EDB_DISASM_DEFINE (EdbDisasmMOVREL);
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//
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// Debugger Disasm Table
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//
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EDB_DISASM_INSTRUCTION mEdbDisasmInstructionTable[] = {
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EdbDisasmBREAK, // opcode 0x00 BREAK
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EdbDisasmJMP, // opcode 0x01 JMP
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EdbDisasmJMP8, // opcode 0x02 JMP8
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EdbDisasmCALL, // opcode 0x03 CALL
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EdbDisasmRET, // opcode 0x04 RET
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EdbDisasmCMP, // opcode 0x05 CMPEQ
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EdbDisasmCMP, // opcode 0x06 CMPLTE
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EdbDisasmCMP, // opcode 0x07 CMPGTE
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EdbDisasmCMP, // opcode 0x08 CMPULTE
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EdbDisasmCMP, // opcode 0x09 CMPUGTE
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EdbDisasmUnsignedDataManip, // opcode 0x0A NOT
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EdbDisasmSignedDataManip, // opcode 0x0B NEG
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EdbDisasmSignedDataManip, // opcode 0x0C ADD
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EdbDisasmSignedDataManip, // opcode 0x0D SUB
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EdbDisasmSignedDataManip, // opcode 0x0E MUL
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EdbDisasmUnsignedDataManip, // opcode 0x0F MULU
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EdbDisasmSignedDataManip, // opcode 0x10 DIV
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EdbDisasmUnsignedDataManip, // opcode 0x11 DIVU
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EdbDisasmSignedDataManip, // opcode 0x12 MOD
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EdbDisasmUnsignedDataManip, // opcode 0x13 MODU
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EdbDisasmUnsignedDataManip, // opcode 0x14 AND
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EdbDisasmUnsignedDataManip, // opcode 0x15 OR
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EdbDisasmUnsignedDataManip, // opcode 0x16 XOR
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EdbDisasmUnsignedDataManip, // opcode 0x17 SHL
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EdbDisasmUnsignedDataManip, // opcode 0x18 SHR
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EdbDisasmSignedDataManip, // opcode 0x19 ASHR
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EdbDisasmUnsignedDataManip, // opcode 0x1A EXTNDB
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EdbDisasmUnsignedDataManip, // opcode 0x1B EXTNDW
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EdbDisasmUnsignedDataManip, // opcode 0x1C EXTNDD
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EdbDisasmMOVxx, // opcode 0x1D MOVBW
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EdbDisasmMOVxx, // opcode 0x1E MOVWW
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EdbDisasmMOVxx, // opcode 0x1F MOVDW
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EdbDisasmMOVxx, // opcode 0x20 MOVQW
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EdbDisasmMOVxx, // opcode 0x21 MOVBD
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EdbDisasmMOVxx, // opcode 0x22 MOVWD
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EdbDisasmMOVxx, // opcode 0x23 MOVDD
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EdbDisasmMOVxx, // opcode 0x24 MOVQD
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EdbDisasmMOVsnw, // opcode 0x25 MOVSNW
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EdbDisasmMOVsnd, // opcode 0x26 MOVSND
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NULL, // opcode 0x27
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EdbDisasmMOVxx, // opcode 0x28 MOVQQ
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EdbDisasmLOADSP, // opcode 0x29 LOADSP
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EdbDisasmSTORESP, // opcode 0x2A STORESP
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EdbDisasmPUSH, // opcode 0x2B PUSH
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EdbDisasmPOP, // opcode 0x2C POP
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EdbDisasmCMPI, // opcode 0x2D CMPIEQ
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EdbDisasmCMPI, // opcode 0x2E CMPILTE
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EdbDisasmCMPI, // opcode 0x2F CMPIGTE
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EdbDisasmCMPI, // opcode 0x30 CMPIULTE
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EdbDisasmCMPI, // opcode 0x31 CMPIUGTE
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EdbDisasmMOVxx, // opcode 0x32 MOVNW
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EdbDisasmMOVxx, // opcode 0x33 MOVND
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NULL, // opcode 0x34
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EdbDisasmPUSHn, // opcode 0x35 PUSHN
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EdbDisasmPOPn, // opcode 0x36 POPN
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EdbDisasmMOVI, // opcode 0x37 MOVI
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EdbDisasmMOVIn, // opcode 0x38 MOVIN
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EdbDisasmMOVREL, // opcode 0x39 MOVREL
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};
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/**
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Disasm instruction - BREAK.
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@param InstructionAddress - The instruction address
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@param SystemContext - EBC system context.
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@param DisasmString - The instruction string
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@return Instruction length
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**/
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UINTN
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EdbDisasmBREAK (
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IN EFI_PHYSICAL_ADDRESS InstructionAddress,
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IN EFI_SYSTEM_CONTEXT SystemContext,
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OUT CHAR16 **DisasmString
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)
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{
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ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_BREAK);
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if (*(UINT8 *)(UINTN)(InstructionAddress + 1) > 6) {
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return 0;
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}
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//
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// Construct Disasm String
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//
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if (DisasmString != NULL) {
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*DisasmString = EdbPreInstructionString ();
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EdbPrintInstructionName (L"BREAK");
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EdbPrintDatan (*(UINT8 *)(UINTN)(InstructionAddress + 1));
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EdbPostInstructionString ();
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}
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return 2;
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}
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extern CONST UINT8 mJMPLen[];
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/**
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Disasm instruction - JMP.
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@param InstructionAddress - The instruction address
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@param SystemContext - EBC system context.
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@param DisasmString - The instruction string
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@return Instruction length
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**/
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UINTN
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EdbDisasmJMP (
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IN EFI_PHYSICAL_ADDRESS InstructionAddress,
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IN EFI_SYSTEM_CONTEXT SystemContext,
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OUT CHAR16 **DisasmString
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)
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{
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UINT8 Modifiers;
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UINT8 Operands;
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UINTN Size;
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UINT32 Data32;
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UINT64 Data64;
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ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_JMP);
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Modifiers = GET_MODIFIERS (InstructionAddress);
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Operands = GET_OPERANDS (InstructionAddress);
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Size = (UINTN)mJMPLen[(Modifiers >> 6) & 0x03];
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//
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// Construct Disasm String
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//
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if (DisasmString != NULL) {
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*DisasmString = EdbPreInstructionString ();
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EdbPrintInstructionName (L"JMP");
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// if (Modifiers & OPCODE_M_IMMDATA64) {
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// EdbPrintInstructionName (L"64");
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// } else {
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// EdbPrintInstructionName (L"32");
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// }
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if ((Modifiers & CONDITION_M_CONDITIONAL) != 0) {
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if ((Modifiers & JMP_M_CS) != 0) {
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EdbPrintInstructionName (L"cs");
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} else {
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EdbPrintInstructionName (L"cc");
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}
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}
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InstructionAddress += 2;
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if ((Modifiers & OPCODE_M_IMMDATA64) != 0) {
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CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
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if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
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EdbPrintData64 (Data64);
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} else {
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return 0;
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}
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} else {
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CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
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EdbPrintRegister1 (Operands);
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if ((Operands & OPERAND_M_INDIRECT1) == 0) {
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if ((Modifiers & OPCODE_M_IMMDATA) == 0) {
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Data32 = 0;
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}
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EdbPrintImmDatan (Data32);
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} else {
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EdbPrintRawIndexData32 (Data32);
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}
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}
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EdbPostInstructionString ();
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}
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return Size;
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}
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/**
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Disasm instruction - JMP8.
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@param InstructionAddress - The instruction address
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@param SystemContext - EBC system context.
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@param DisasmString - The instruction string
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@return Instruction length
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**/
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UINTN
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EdbDisasmJMP8 (
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IN EFI_PHYSICAL_ADDRESS InstructionAddress,
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IN EFI_SYSTEM_CONTEXT SystemContext,
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OUT CHAR16 **DisasmString
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)
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{
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UINT8 Modifiers;
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ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_JMP8);
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Modifiers = GET_MODIFIERS (InstructionAddress);
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//
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// Construct Disasm String
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//
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if (DisasmString != NULL) {
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*DisasmString = EdbPreInstructionString ();
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EdbPrintInstructionName (L"JMP8");
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if ((Modifiers & CONDITION_M_CONDITIONAL) != 0) {
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if ((Modifiers & JMP_M_CS) != 0) {
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EdbPrintInstructionName (L"cs");
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} else {
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EdbPrintInstructionName (L"cc");
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}
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}
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EdbPrintData8 (*(UINT8 *)(UINTN)(InstructionAddress + 1));
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EdbPostInstructionString ();
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}
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return 2;
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}
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/**
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Disasm instruction - CALL.
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@param InstructionAddress - The instruction address
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@param SystemContext - EBC system context.
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@param DisasmString - The instruction string
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@return Instruction length
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**/
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UINTN
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EdbDisasmCALL (
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IN EFI_PHYSICAL_ADDRESS InstructionAddress,
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IN EFI_SYSTEM_CONTEXT SystemContext,
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OUT CHAR16 **DisasmString
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)
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{
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UINT8 Modifiers;
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UINT8 Operands;
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UINTN Size;
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UINT32 Data32;
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UINT64 Data64;
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UINT64 Ip;
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UINTN Result;
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EFI_PHYSICAL_ADDRESS SavedInstructionAddress;
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ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_CALL);
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SavedInstructionAddress = InstructionAddress;
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Modifiers = GET_MODIFIERS (InstructionAddress);
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Operands = GET_OPERANDS (InstructionAddress);
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Size = (UINTN)mJMPLen[(Modifiers >> 6) & 0x03];
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//
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// Construct Disasm String
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//
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if (DisasmString != NULL) {
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*DisasmString = EdbPreInstructionString ();
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EdbPrintInstructionName (L"CALL");
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// if (Modifiers & OPCODE_M_IMMDATA64) {
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// EdbPrintInstructionName (L"64");
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// } else {
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// EdbPrintInstructionName (L"32");
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// }
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if ((Operands & OPERAND_M_NATIVE_CALL) != 0) {
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EdbPrintInstructionName (L"EX");
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}
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// if ((Operands & OPERAND_M_RELATIVE_ADDR) == 0) {
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// EdbPrintInstructionName (L"a");
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// }
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InstructionAddress += 2;
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if ((Modifiers & OPCODE_M_IMMDATA64) != 0) {
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CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
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Ip = Data64;
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if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
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Result = EdbFindAndPrintSymbol ((UINTN)Ip);
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if (Result == 0) {
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EdbPrintData64 (Data64);
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}
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} else {
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return 0;
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}
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} else {
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if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
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CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
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} else {
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Data32 = 0;
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}
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if ((Operands & OPERAND_M_OP1) == 0) {
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Ip = (UINT64)Data32;
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} else {
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Ip = GetRegisterValue (SystemContext, (Operands & OPERAND_M_OP1));
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}
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if ((Operands & OPERAND_M_INDIRECT1) == 0) {
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if ((Operands & OPERAND_M_RELATIVE_ADDR) != 0) {
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Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Ip + Size));
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} else {
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Result = EdbFindAndPrintSymbol ((UINTN)Ip);
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}
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if (Result == 0) {
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EdbPrintRegister1 (Operands);
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if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
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EdbPrintImmData32 (Data32);
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}
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}
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} else {
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||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
|
||
|
|
EdbPrintRawIndexData32 (Data32);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - RET.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmRET (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_RET);
|
||
|
|
|
||
|
|
if (*(UINT8 *)(UINTN)(InstructionAddress + 1) != 0) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"RET");
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - CMP.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmCMP (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Opcode;
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINT16 Data16;
|
||
|
|
UINTN Size;
|
||
|
|
|
||
|
|
ASSERT (
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_CMPEQ) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_CMPLTE) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_CMPGTE) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_CMPULTE) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_CMPUGTE)
|
||
|
|
);
|
||
|
|
|
||
|
|
Opcode = GET_OPCODE (InstructionAddress);
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
|
||
|
|
Size = 4;
|
||
|
|
} else {
|
||
|
|
Size = 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"CMP");
|
||
|
|
// if (Modifiers & OPCODE_M_64BIT) {
|
||
|
|
// EdbPrintInstructionName (L"64");
|
||
|
|
// } else {
|
||
|
|
// EdbPrintInstructionName (L"32");
|
||
|
|
// }
|
||
|
|
switch (Opcode) {
|
||
|
|
case OPCODE_CMPEQ:
|
||
|
|
EdbPrintInstructionName (L"eq");
|
||
|
|
break;
|
||
|
|
case OPCODE_CMPLTE:
|
||
|
|
EdbPrintInstructionName (L"lte");
|
||
|
|
break;
|
||
|
|
case OPCODE_CMPGTE:
|
||
|
|
EdbPrintInstructionName (L"gte");
|
||
|
|
break;
|
||
|
|
case OPCODE_CMPULTE:
|
||
|
|
EdbPrintInstructionName (L"ulte");
|
||
|
|
break;
|
||
|
|
case OPCODE_CMPUGTE:
|
||
|
|
EdbPrintInstructionName (L"ugte");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
InstructionAddress += 2;
|
||
|
|
|
||
|
|
EdbPrintComma ();
|
||
|
|
EdbPrintRegister2 (Operands);
|
||
|
|
|
||
|
|
if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
if ((Operands & OPERAND_M_INDIRECT2) != 0) {
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
} else {
|
||
|
|
EdbPrintImmDatan (Data16);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - Unsigned Data Manipulate.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmUnsignedDataManip (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Opcode;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
|
||
|
|
ASSERT (
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_NOT) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MULU) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_DIVU) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MODU) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_AND) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_OR) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_XOR) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_SHL) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_SHR) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_EXTNDB) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_EXTNDW) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_EXTNDD)
|
||
|
|
);
|
||
|
|
|
||
|
|
Opcode = GET_OPCODE (InstructionAddress);
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {
|
||
|
|
Size = 4;
|
||
|
|
} else {
|
||
|
|
Size = 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
switch (Opcode) {
|
||
|
|
case OPCODE_NOT:
|
||
|
|
EdbPrintInstructionName (L"NOT");
|
||
|
|
break;
|
||
|
|
case OPCODE_MULU:
|
||
|
|
EdbPrintInstructionName (L"MULU");
|
||
|
|
break;
|
||
|
|
case OPCODE_DIVU:
|
||
|
|
EdbPrintInstructionName (L"DIVU");
|
||
|
|
break;
|
||
|
|
case OPCODE_MODU:
|
||
|
|
EdbPrintInstructionName (L"MODU");
|
||
|
|
break;
|
||
|
|
case OPCODE_AND:
|
||
|
|
EdbPrintInstructionName (L"AND");
|
||
|
|
break;
|
||
|
|
case OPCODE_OR:
|
||
|
|
EdbPrintInstructionName (L"OR");
|
||
|
|
break;
|
||
|
|
case OPCODE_XOR:
|
||
|
|
EdbPrintInstructionName (L"XOR");
|
||
|
|
break;
|
||
|
|
case OPCODE_SHL:
|
||
|
|
EdbPrintInstructionName (L"SHL");
|
||
|
|
break;
|
||
|
|
case OPCODE_SHR:
|
||
|
|
EdbPrintInstructionName (L"SHR");
|
||
|
|
break;
|
||
|
|
case OPCODE_EXTNDB:
|
||
|
|
EdbPrintInstructionName (L"EXTNDB");
|
||
|
|
break;
|
||
|
|
case OPCODE_EXTNDW:
|
||
|
|
EdbPrintInstructionName (L"EXTNDW");
|
||
|
|
break;
|
||
|
|
case OPCODE_EXTNDD:
|
||
|
|
EdbPrintInstructionName (L"EXTNDD");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
// if (Modifiers & DATAMANIP_M_64) {
|
||
|
|
// EdbPrintInstructionName (L"64");
|
||
|
|
// } else {
|
||
|
|
// EdbPrintInstructionName (L"32");
|
||
|
|
// }
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
EdbPrintComma ();
|
||
|
|
EdbPrintRegister2 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
if ((Operands & OPERAND_M_INDIRECT2) != 0) {
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
} else {
|
||
|
|
EdbPrintImmDatan (Data16);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - Signed Data Manipulate,
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmSignedDataManip (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Opcode;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
|
||
|
|
ASSERT (
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_NEG) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_ADD) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_SUB) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MUL) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_DIV) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOD) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_ASHR)
|
||
|
|
);
|
||
|
|
|
||
|
|
Opcode = GET_OPCODE (InstructionAddress);
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {
|
||
|
|
Size = 4;
|
||
|
|
} else {
|
||
|
|
Size = 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
switch (Opcode) {
|
||
|
|
case OPCODE_NEG:
|
||
|
|
EdbPrintInstructionName (L"NEG");
|
||
|
|
break;
|
||
|
|
case OPCODE_ADD:
|
||
|
|
EdbPrintInstructionName (L"ADD");
|
||
|
|
break;
|
||
|
|
case OPCODE_SUB:
|
||
|
|
EdbPrintInstructionName (L"SUB");
|
||
|
|
break;
|
||
|
|
case OPCODE_MUL:
|
||
|
|
EdbPrintInstructionName (L"MUL");
|
||
|
|
break;
|
||
|
|
case OPCODE_DIV:
|
||
|
|
EdbPrintInstructionName (L"DIV");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOD:
|
||
|
|
EdbPrintInstructionName (L"MOD");
|
||
|
|
break;
|
||
|
|
case OPCODE_ASHR:
|
||
|
|
EdbPrintInstructionName (L"ASHR");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
// if (Modifiers & DATAMANIP_M_64) {
|
||
|
|
// EdbPrintInstructionName (L"64");
|
||
|
|
// } else {
|
||
|
|
// EdbPrintInstructionName (L"32");
|
||
|
|
// }
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
EdbPrintComma ();
|
||
|
|
EdbPrintRegister2 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
if ((Operands & OPERAND_M_INDIRECT2) != 0) {
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
} else {
|
||
|
|
EdbPrintImmDatan (Data16);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - MOVxx.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmMOVxx (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Opcode;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
UINT32 Data32;
|
||
|
|
UINT64 Data64;
|
||
|
|
|
||
|
|
ASSERT (
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVBW) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVWW) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVDW) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVQW) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVBD) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVWD) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVDD) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVQD) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVQQ) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVNW) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_MOVND)
|
||
|
|
);
|
||
|
|
|
||
|
|
Opcode = GET_OPCODE (InstructionAddress);
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
Size = 2;
|
||
|
|
if ((Modifiers & (OPCODE_M_IMMED_OP1 | OPCODE_M_IMMED_OP2)) != 0) {
|
||
|
|
if ((Opcode <= OPCODE_MOVQW) || (Opcode == OPCODE_MOVNW)) {
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
|
||
|
|
Size += 2;
|
||
|
|
}
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
|
||
|
|
Size += 2;
|
||
|
|
}
|
||
|
|
} else if (((Opcode <= OPCODE_MOVQD) || (Opcode == OPCODE_MOVND)) != 0) {
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
|
||
|
|
Size += 4;
|
||
|
|
}
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
|
||
|
|
Size += 4;
|
||
|
|
}
|
||
|
|
} else if (Opcode == OPCODE_MOVQQ) {
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
|
||
|
|
Size += 8;
|
||
|
|
}
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
|
||
|
|
Size += 8;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"MOV");
|
||
|
|
switch (Opcode) {
|
||
|
|
case OPCODE_MOVBW:
|
||
|
|
EdbPrintInstructionName (L"bw");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOVWW:
|
||
|
|
EdbPrintInstructionName (L"ww");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOVDW:
|
||
|
|
EdbPrintInstructionName (L"dw");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOVQW:
|
||
|
|
EdbPrintInstructionName (L"qw");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOVBD:
|
||
|
|
EdbPrintInstructionName (L"bd");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOVWD:
|
||
|
|
EdbPrintInstructionName (L"wd");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOVDD:
|
||
|
|
EdbPrintInstructionName (L"dd");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOVQD:
|
||
|
|
EdbPrintInstructionName (L"qd");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOVQQ:
|
||
|
|
EdbPrintInstructionName (L"qq");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOVNW:
|
||
|
|
EdbPrintInstructionName (L"nw");
|
||
|
|
break;
|
||
|
|
case OPCODE_MOVND:
|
||
|
|
EdbPrintInstructionName (L"nd");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
|
||
|
|
if ((Opcode <= OPCODE_MOVQW) || (Opcode == OPCODE_MOVNW)) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
InstructionAddress += 2;
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
} else if ((Opcode <= OPCODE_MOVQD) || (Opcode == OPCODE_MOVND)) {
|
||
|
|
CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
|
||
|
|
InstructionAddress += 4;
|
||
|
|
EdbPrintRawIndexData32 (Data32);
|
||
|
|
} else if (Opcode == OPCODE_MOVQQ) {
|
||
|
|
CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
|
||
|
|
InstructionAddress += 8;
|
||
|
|
EdbPrintRawIndexData64 (Data64);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintComma ();
|
||
|
|
EdbPrintRegister2 (Operands);
|
||
|
|
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
|
||
|
|
if ((Opcode <= OPCODE_MOVQW) || (Opcode == OPCODE_MOVNW)) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
} else if ((Opcode <= OPCODE_MOVQD) || (Opcode == OPCODE_MOVND)) {
|
||
|
|
CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
|
||
|
|
EdbPrintRawIndexData32 (Data32);
|
||
|
|
} else if (Opcode == OPCODE_MOVQQ) {
|
||
|
|
CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
|
||
|
|
EdbPrintRawIndexData64 (Data64);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - MOVsnw.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmMOVsnw (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVSNW);
|
||
|
|
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
Size = 2;
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
|
||
|
|
Size += 2;
|
||
|
|
}
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
|
||
|
|
Size += 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"MOVsnw");
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
InstructionAddress += 2;
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintComma ();
|
||
|
|
EdbPrintRegister2 (Operands);
|
||
|
|
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
if ((Operands & OPERAND_M_INDIRECT2) != 0) {
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
} else {
|
||
|
|
EdbPrintImmDatan (Data16);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - MOVsnd.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmMOVsnd (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT32 Data32;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVSND);
|
||
|
|
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
Size = 2;
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
|
||
|
|
Size += 4;
|
||
|
|
}
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
|
||
|
|
Size += 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"MOVsnd");
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
|
||
|
|
CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
|
||
|
|
InstructionAddress += 4;
|
||
|
|
EdbPrintRawIndexData32 (Data32);
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintComma ();
|
||
|
|
EdbPrintRegister2 (Operands);
|
||
|
|
|
||
|
|
if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
|
||
|
|
CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
|
||
|
|
if ((Operands & OPERAND_M_INDIRECT2) != 0) {
|
||
|
|
EdbPrintRawIndexData32 (Data32);
|
||
|
|
} else {
|
||
|
|
EdbPrintImmDatan (Data32);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - LOADSP.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmLOADSP (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Operands;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_LOADSP);
|
||
|
|
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"LOADSP");
|
||
|
|
|
||
|
|
EdbPrintDedicatedRegister1 (Operands);
|
||
|
|
|
||
|
|
EdbPrintRegister2 (Operands);
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - STORESP.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmSTORESP (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Operands;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_STORESP);
|
||
|
|
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"STORESP");
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
EdbPrintDedicatedRegister2 (Operands);
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - PUSH.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmPUSH (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_PUSH);
|
||
|
|
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
|
||
|
|
Size = 4;
|
||
|
|
} else {
|
||
|
|
Size = 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"PUSH");
|
||
|
|
// if (Modifiers & PUSHPOP_M_64) {
|
||
|
|
// EdbPrintInstructionName (L"64");
|
||
|
|
// } else {
|
||
|
|
// EdbPrintInstructionName (L"32");
|
||
|
|
// }
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
if ((Operands & OPERAND_M_INDIRECT1) != 0) {
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
} else {
|
||
|
|
EdbPrintImmDatan (Data16);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - POP.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmPOP (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_POP);
|
||
|
|
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
|
||
|
|
Size = 4;
|
||
|
|
} else {
|
||
|
|
Size = 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"POP");
|
||
|
|
// if (Modifiers & PUSHPOP_M_64) {
|
||
|
|
// EdbPrintInstructionName (L"64");
|
||
|
|
// } else {
|
||
|
|
// EdbPrintInstructionName (L"32");
|
||
|
|
// }
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
if ((Operands & OPERAND_M_INDIRECT1) != 0) {
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
} else {
|
||
|
|
EdbPrintImmDatan (Data16);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - CMPI.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmCMPI (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Opcode;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINT16 Data16;
|
||
|
|
UINT32 Data32;
|
||
|
|
UINTN Size;
|
||
|
|
|
||
|
|
ASSERT (
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_CMPIEQ) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_CMPILTE) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_CMPIGTE) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_CMPIULTE) ||
|
||
|
|
(GET_OPCODE(InstructionAddress) == OPCODE_CMPIUGTE)
|
||
|
|
);
|
||
|
|
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
Opcode = GET_OPCODE (InstructionAddress);
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
|
||
|
|
if ((Operands & 0xE0) != 0) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
Size = 2;
|
||
|
|
if ((Operands & OPERAND_M_CMPI_INDEX) != 0) {
|
||
|
|
Size += 2;
|
||
|
|
}
|
||
|
|
if ((Modifiers & OPCODE_M_CMPI32_DATA) != 0) {
|
||
|
|
Size += 4;
|
||
|
|
} else {
|
||
|
|
Size += 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"CMPI");
|
||
|
|
// if (Modifiers & OPCODE_M_CMPI64) {
|
||
|
|
// EdbPrintInstructionName (L"64");
|
||
|
|
// } else {
|
||
|
|
// EdbPrintInstructionName (L"32");
|
||
|
|
// }
|
||
|
|
if ((Modifiers & OPCODE_M_CMPI32_DATA) != 0) {
|
||
|
|
EdbPrintInstructionName (L"d");
|
||
|
|
} else {
|
||
|
|
EdbPrintInstructionName (L"w");
|
||
|
|
}
|
||
|
|
switch (Opcode) {
|
||
|
|
case OPCODE_CMPIEQ:
|
||
|
|
EdbPrintInstructionName (L"eq");
|
||
|
|
break;
|
||
|
|
case OPCODE_CMPILTE:
|
||
|
|
EdbPrintInstructionName (L"lte");
|
||
|
|
break;
|
||
|
|
case OPCODE_CMPIGTE:
|
||
|
|
EdbPrintInstructionName (L"gte");
|
||
|
|
break;
|
||
|
|
case OPCODE_CMPIULTE:
|
||
|
|
EdbPrintInstructionName (L"ulte");
|
||
|
|
break;
|
||
|
|
case OPCODE_CMPIUGTE:
|
||
|
|
EdbPrintInstructionName (L"ugte");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Operands & OPERAND_M_CMPI_INDEX) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
InstructionAddress += 2;
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintComma ();
|
||
|
|
|
||
|
|
if ((Modifiers & OPCODE_M_CMPI32_DATA) != 0) {
|
||
|
|
CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
|
||
|
|
EdbPrintDatan (Data32);
|
||
|
|
} else {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
EdbPrintDatan (Data16);
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - PUSHn.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmPUSHn (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_PUSHN);
|
||
|
|
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
|
||
|
|
Size = 4;
|
||
|
|
} else {
|
||
|
|
Size = 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"PUSHn");
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
if ((Operands & OPERAND_M_INDIRECT1) != 0) {
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
} else {
|
||
|
|
EdbPrintImmDatan (Data16);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - POPn.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmPOPn (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_POPN);
|
||
|
|
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
|
||
|
|
Size = 4;
|
||
|
|
} else {
|
||
|
|
Size = 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"POPn");
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
if ((Operands & OPERAND_M_INDIRECT1) != 0) {
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
} else {
|
||
|
|
EdbPrintImmDatan (Data16);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - MOVI.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmMOVI (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
UINT32 Data32;
|
||
|
|
UINT64 Data64;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVI);
|
||
|
|
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
|
||
|
|
if ((Operands & MOVI_M_IMMDATA) != 0) {
|
||
|
|
Size = 4;
|
||
|
|
} else {
|
||
|
|
Size = 2;
|
||
|
|
}
|
||
|
|
if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH16) {
|
||
|
|
Size += 2;
|
||
|
|
} else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH32) {
|
||
|
|
Size += 4;
|
||
|
|
} else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH64) {
|
||
|
|
Size += 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"MOVI");
|
||
|
|
switch (Operands & MOVI_M_MOVEWIDTH) {
|
||
|
|
case MOVI_MOVEWIDTH8:
|
||
|
|
EdbPrintInstructionName (L"b");
|
||
|
|
break;
|
||
|
|
case MOVI_MOVEWIDTH16:
|
||
|
|
EdbPrintInstructionName (L"w");
|
||
|
|
break;
|
||
|
|
case MOVI_MOVEWIDTH32:
|
||
|
|
EdbPrintInstructionName (L"d");
|
||
|
|
break;
|
||
|
|
case MOVI_MOVEWIDTH64:
|
||
|
|
EdbPrintInstructionName (L"q");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
switch (Modifiers & MOVI_M_DATAWIDTH) {
|
||
|
|
case MOVI_DATAWIDTH16:
|
||
|
|
EdbPrintInstructionName (L"w");
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH32:
|
||
|
|
EdbPrintInstructionName (L"d");
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH64:
|
||
|
|
EdbPrintInstructionName (L"q");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Operands & MOVI_M_IMMDATA) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
InstructionAddress += 2;
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintComma ();
|
||
|
|
|
||
|
|
switch (Modifiers & MOVI_M_DATAWIDTH) {
|
||
|
|
case MOVI_DATAWIDTH16:
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
EdbPrintDatan (Data16);
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH32:
|
||
|
|
CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
|
||
|
|
EdbPrintDatan (Data32);
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH64:
|
||
|
|
CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
|
||
|
|
EdbPrintData64n (Data64);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - MOVIn.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmMOVIn (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
UINT32 Data32;
|
||
|
|
UINT64 Data64;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVIN);
|
||
|
|
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
|
||
|
|
if ((Operands & MOVI_M_IMMDATA) != 0) {
|
||
|
|
Size = 4;
|
||
|
|
} else {
|
||
|
|
Size = 2;
|
||
|
|
}
|
||
|
|
if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH16) {
|
||
|
|
Size += 2;
|
||
|
|
} else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH32) {
|
||
|
|
Size += 4;
|
||
|
|
} else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH64) {
|
||
|
|
Size += 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"MOVIn");
|
||
|
|
switch (Modifiers & MOVI_M_DATAWIDTH) {
|
||
|
|
case MOVI_DATAWIDTH16:
|
||
|
|
EdbPrintInstructionName (L"w");
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH32:
|
||
|
|
EdbPrintInstructionName (L"d");
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH64:
|
||
|
|
EdbPrintInstructionName (L"q");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Operands & MOVI_M_IMMDATA) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
InstructionAddress += 2;
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintComma ();
|
||
|
|
|
||
|
|
switch (Modifiers & MOVI_M_DATAWIDTH) {
|
||
|
|
case MOVI_DATAWIDTH16:
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH32:
|
||
|
|
CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
|
||
|
|
EdbPrintRawIndexData32 (Data32);
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH64:
|
||
|
|
CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
|
||
|
|
EdbPrintRawIndexData64 (Data64);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
|
||
|
|
Disasm instruction - MOVREL.
|
||
|
|
|
||
|
|
@param InstructionAddress - The instruction address
|
||
|
|
@param SystemContext - EBC system context.
|
||
|
|
@param DisasmString - The instruction string
|
||
|
|
|
||
|
|
@return Instruction length
|
||
|
|
|
||
|
|
**/
|
||
|
|
UINTN
|
||
|
|
EdbDisasmMOVREL (
|
||
|
|
IN EFI_PHYSICAL_ADDRESS InstructionAddress,
|
||
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
||
|
|
OUT CHAR16 **DisasmString
|
||
|
|
)
|
||
|
|
{
|
||
|
|
UINT8 Modifiers;
|
||
|
|
UINT8 Operands;
|
||
|
|
UINTN Size;
|
||
|
|
UINT16 Data16;
|
||
|
|
UINT32 Data32;
|
||
|
|
UINT64 Data64;
|
||
|
|
UINTN Result;
|
||
|
|
EFI_PHYSICAL_ADDRESS SavedInstructionAddress;
|
||
|
|
|
||
|
|
ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVREL);
|
||
|
|
SavedInstructionAddress = InstructionAddress;
|
||
|
|
|
||
|
|
Modifiers = GET_MODIFIERS (InstructionAddress);
|
||
|
|
Operands = GET_OPERANDS (InstructionAddress);
|
||
|
|
|
||
|
|
if ((Operands & MOVI_M_IMMDATA) != 0) {
|
||
|
|
Size = 4;
|
||
|
|
} else {
|
||
|
|
Size = 2;
|
||
|
|
}
|
||
|
|
if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH16) {
|
||
|
|
Size += 2;
|
||
|
|
} else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH32) {
|
||
|
|
Size += 4;
|
||
|
|
} else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH64) {
|
||
|
|
Size += 8;
|
||
|
|
} else {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct Disasm String
|
||
|
|
//
|
||
|
|
if (DisasmString != NULL) {
|
||
|
|
*DisasmString = EdbPreInstructionString ();
|
||
|
|
|
||
|
|
EdbPrintInstructionName (L"MOVrel");
|
||
|
|
switch (Modifiers & MOVI_M_DATAWIDTH) {
|
||
|
|
case MOVI_DATAWIDTH16:
|
||
|
|
EdbPrintInstructionName (L"w");
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH32:
|
||
|
|
EdbPrintInstructionName (L"d");
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH64:
|
||
|
|
EdbPrintInstructionName (L"q");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintRegister1 (Operands);
|
||
|
|
|
||
|
|
InstructionAddress += 2;
|
||
|
|
if ((Operands & MOVI_M_IMMDATA) != 0) {
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
InstructionAddress += 2;
|
||
|
|
EdbPrintRawIndexData16 (Data16);
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPrintComma ();
|
||
|
|
|
||
|
|
switch (Modifiers & MOVI_M_DATAWIDTH) {
|
||
|
|
case MOVI_DATAWIDTH16:
|
||
|
|
CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
|
||
|
|
Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Size + (INT16)Data16));
|
||
|
|
if (Result == 0) {
|
||
|
|
EdbPrintData16 (Data16);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH32:
|
||
|
|
CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
|
||
|
|
Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Size + (INT32)Data32));
|
||
|
|
if (Result == 0) {
|
||
|
|
EdbPrintData32 (Data32);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case MOVI_DATAWIDTH64:
|
||
|
|
CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
|
||
|
|
if (sizeof(UINTN) == sizeof(UINT64)) {
|
||
|
|
Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Size + (INT64)Data64));
|
||
|
|
} else {
|
||
|
|
Result = 0;
|
||
|
|
}
|
||
|
|
if (Result == 0) {
|
||
|
|
EdbPrintData64 (Data64);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
EdbPostInstructionString ();
|
||
|
|
}
|
||
|
|
|
||
|
|
return Size;
|
||
|
|
}
|