[mirror_edk2.git] / MdeModulePkg / Universal / EbcDxe / EbcDebugger / EdbDisasm.c

/** @file\r
\r
Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
\r
**/\r
\r
#include "Edb.h"\r
\r
//\r
// Debugger Disasm definition\r
//\r
#define EDB_DISASM_DEFINE(func) \\r
UINTN \\r
func ( \\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress, \\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext, \\r
  OUT    CHAR16                    **DisasmString \\r
  )\r
\r
EDB_DISASM_DEFINE (EdbDisasmBREAK);\r
EDB_DISASM_DEFINE (EdbDisasmJMP);\r
EDB_DISASM_DEFINE (EdbDisasmJMP8);\r
EDB_DISASM_DEFINE (EdbDisasmCALL);\r
EDB_DISASM_DEFINE (EdbDisasmRET);\r
EDB_DISASM_DEFINE (EdbDisasmCMP);\r
EDB_DISASM_DEFINE (EdbDisasmUnsignedDataManip);\r
EDB_DISASM_DEFINE (EdbDisasmSignedDataManip);\r
EDB_DISASM_DEFINE (EdbDisasmMOVxx);\r
EDB_DISASM_DEFINE (EdbDisasmMOVsnw);\r
EDB_DISASM_DEFINE (EdbDisasmMOVsnd);\r
EDB_DISASM_DEFINE (EdbDisasmLOADSP);\r
EDB_DISASM_DEFINE (EdbDisasmSTORESP);\r
EDB_DISASM_DEFINE (EdbDisasmPUSH);\r
EDB_DISASM_DEFINE (EdbDisasmPOP);\r
EDB_DISASM_DEFINE (EdbDisasmCMPI);\r
EDB_DISASM_DEFINE (EdbDisasmPUSHn);\r
EDB_DISASM_DEFINE (EdbDisasmPOPn);\r
EDB_DISASM_DEFINE (EdbDisasmMOVI);\r
EDB_DISASM_DEFINE (EdbDisasmMOVIn);\r
EDB_DISASM_DEFINE (EdbDisasmMOVREL);\r
\r
//\r
// Debugger Disasm Table\r
//\r
EDB_DISASM_INSTRUCTION mEdbDisasmInstructionTable[] = {\r
  EdbDisasmBREAK,             // opcode 0x00 BREAK\r
  EdbDisasmJMP,               // opcode 0x01 JMP\r
  EdbDisasmJMP8,              // opcode 0x02 JMP8\r
  EdbDisasmCALL,              // opcode 0x03 CALL\r
  EdbDisasmRET,               // opcode 0x04 RET\r
  EdbDisasmCMP,               // opcode 0x05 CMPEQ\r
  EdbDisasmCMP,               // opcode 0x06 CMPLTE\r
  EdbDisasmCMP,               // opcode 0x07 CMPGTE\r
  EdbDisasmCMP,               // opcode 0x08 CMPULTE\r
  EdbDisasmCMP,               // opcode 0x09 CMPUGTE\r
  EdbDisasmUnsignedDataManip, // opcode 0x0A NOT\r
  EdbDisasmSignedDataManip,   // opcode 0x0B NEG\r
  EdbDisasmSignedDataManip,   // opcode 0x0C ADD\r
  EdbDisasmSignedDataManip,   // opcode 0x0D SUB\r
  EdbDisasmSignedDataManip,   // opcode 0x0E MUL\r
  EdbDisasmUnsignedDataManip, // opcode 0x0F MULU\r
  EdbDisasmSignedDataManip,   // opcode 0x10 DIV\r
  EdbDisasmUnsignedDataManip, // opcode 0x11 DIVU\r
  EdbDisasmSignedDataManip,   // opcode 0x12 MOD\r
  EdbDisasmUnsignedDataManip, // opcode 0x13 MODU\r
  EdbDisasmUnsignedDataManip, // opcode 0x14 AND\r
  EdbDisasmUnsignedDataManip, // opcode 0x15 OR\r
  EdbDisasmUnsignedDataManip, // opcode 0x16 XOR\r
  EdbDisasmUnsignedDataManip, // opcode 0x17 SHL\r
  EdbDisasmUnsignedDataManip, // opcode 0x18 SHR\r
  EdbDisasmSignedDataManip,   // opcode 0x19 ASHR\r
  EdbDisasmUnsignedDataManip, // opcode 0x1A EXTNDB\r
  EdbDisasmUnsignedDataManip, // opcode 0x1B EXTNDW\r
  EdbDisasmUnsignedDataManip, // opcode 0x1C EXTNDD\r
  EdbDisasmMOVxx,             // opcode 0x1D MOVBW\r
  EdbDisasmMOVxx,             // opcode 0x1E MOVWW\r
  EdbDisasmMOVxx,             // opcode 0x1F MOVDW\r
  EdbDisasmMOVxx,             // opcode 0x20 MOVQW\r
  EdbDisasmMOVxx,             // opcode 0x21 MOVBD\r
  EdbDisasmMOVxx,             // opcode 0x22 MOVWD\r
  EdbDisasmMOVxx,             // opcode 0x23 MOVDD\r
  EdbDisasmMOVxx,             // opcode 0x24 MOVQD\r
  EdbDisasmMOVsnw,            // opcode 0x25 MOVSNW\r
  EdbDisasmMOVsnd,            // opcode 0x26 MOVSND\r
  NULL,                       // opcode 0x27\r
  EdbDisasmMOVxx,             // opcode 0x28 MOVQQ\r
  EdbDisasmLOADSP,            // opcode 0x29 LOADSP\r
  EdbDisasmSTORESP,           // opcode 0x2A STORESP\r
  EdbDisasmPUSH,              // opcode 0x2B PUSH\r
  EdbDisasmPOP,               // opcode 0x2C POP\r
  EdbDisasmCMPI,              // opcode 0x2D CMPIEQ\r
  EdbDisasmCMPI,              // opcode 0x2E CMPILTE\r
  EdbDisasmCMPI,              // opcode 0x2F CMPIGTE\r
  EdbDisasmCMPI,              // opcode 0x30 CMPIULTE\r
  EdbDisasmCMPI,              // opcode 0x31 CMPIUGTE\r
  EdbDisasmMOVxx,             // opcode 0x32 MOVNW\r
  EdbDisasmMOVxx,             // opcode 0x33 MOVND\r
  NULL,                       // opcode 0x34\r
  EdbDisasmPUSHn,             // opcode 0x35 PUSHN\r
  EdbDisasmPOPn,              // opcode 0x36 POPN\r
  EdbDisasmMOVI,              // opcode 0x37 MOVI\r
  EdbDisasmMOVIn,             // opcode 0x38 MOVIN\r
  EdbDisasmMOVREL,            // opcode 0x39 MOVREL\r
};\r
\r
/**\r
\r
  Disasm instruction - BREAK.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmBREAK (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_BREAK);\r
\r
  if (*(UINT8 *)(UINTN)(InstructionAddress + 1) > 6) {\r
    return 0;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"BREAK");\r
    EdbPrintDatan (*(UINT8 *)(UINTN)(InstructionAddress + 1));\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return 2;\r
}\r
\r
extern CONST UINT8                    mJMPLen[];\r
\r
/**\r
\r
  Disasm instruction - JMP.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmJMP (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8   Modifiers;\r
  UINT8   Operands;\r
  UINTN   Size;\r
  UINT32  Data32;\r
  UINT64  Data64;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_JMP);\r
\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Size = (UINTN)mJMPLen[(Modifiers >> 6) & 0x03];\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"JMP");\r
//    if (Modifiers & OPCODE_M_IMMDATA64) {\r
//      EdbPrintInstructionName (L"64");\r
//    } else {\r
//      EdbPrintInstructionName (L"32");\r
//    }\r
    if ((Modifiers & CONDITION_M_CONDITIONAL) != 0) {\r
      if ((Modifiers & JMP_M_CS) != 0) {\r
        EdbPrintInstructionName (L"cs");\r
      } else {\r
        EdbPrintInstructionName (L"cc");\r
      }\r
    }\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & OPCODE_M_IMMDATA64) != 0) {\r
      CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));\r
      if ((Modifiers & OPCODE_M_IMMDATA) != 0) {\r
        EdbPrintData64 (Data64);\r
      } else {\r
        return 0;\r
      }\r
    } else {\r
      CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));\r
      EdbPrintRegister1 (Operands);\r
\r
      if ((Operands & OPERAND_M_INDIRECT1) == 0) {\r
        if ((Modifiers & OPCODE_M_IMMDATA) == 0) {\r
          Data32 = 0;\r
        }\r
        EdbPrintImmDatan (Data32);\r
      } else {\r
        EdbPrintRawIndexData32 (Data32);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - JMP8.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmJMP8 (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8   Modifiers;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_JMP8);\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"JMP8");\r
    if ((Modifiers & CONDITION_M_CONDITIONAL) != 0) {\r
      if ((Modifiers & JMP_M_CS) != 0) {\r
        EdbPrintInstructionName (L"cs");\r
      } else {\r
        EdbPrintInstructionName (L"cc");\r
      }\r
    }\r
\r
    EdbPrintData8 (*(UINT8 *)(UINTN)(InstructionAddress + 1));\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return 2;\r
}\r
\r
/**\r
\r
  Disasm instruction - CALL.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmCALL (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8   Modifiers;\r
  UINT8   Operands;\r
  UINTN   Size;\r
  UINT32  Data32;\r
  UINT64  Data64;\r
  UINT64  Ip;\r
  UINTN   Result;\r
  EFI_PHYSICAL_ADDRESS      SavedInstructionAddress;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_CALL);\r
  SavedInstructionAddress = InstructionAddress;\r
\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Size = (UINTN)mJMPLen[(Modifiers >> 6) & 0x03];\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"CALL");\r
//    if (Modifiers & OPCODE_M_IMMDATA64) {\r
//      EdbPrintInstructionName (L"64");\r
//    } else {\r
//      EdbPrintInstructionName (L"32");\r
//    }\r
    if ((Operands & OPERAND_M_NATIVE_CALL) != 0) {\r
      EdbPrintInstructionName (L"EX");\r
    }\r
//    if ((Operands & OPERAND_M_RELATIVE_ADDR) == 0) {\r
//      EdbPrintInstructionName (L"a");\r
//    }\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & OPCODE_M_IMMDATA64) != 0) {\r
      CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));\r
      Ip = Data64;\r
      if ((Modifiers & OPCODE_M_IMMDATA) != 0) {\r
        Result = EdbFindAndPrintSymbol ((UINTN)Ip);\r
        if (Result == 0) {\r
          EdbPrintData64 (Data64);\r
        }\r
      } else {\r
        return 0;\r
      }\r
    } else {\r
      if ((Modifiers & OPCODE_M_IMMDATA) != 0) {\r
        CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));\r
      } else {\r
        Data32 = 0;\r
      }\r
\r
      if ((Operands & OPERAND_M_OP1) == 0) {\r
        Ip = (UINT64)Data32;\r
      } else {\r
        Ip = GetRegisterValue (SystemContext, (Operands & OPERAND_M_OP1));\r
      }\r
\r
      if ((Operands & OPERAND_M_INDIRECT1) == 0) {\r
        if ((Operands & OPERAND_M_RELATIVE_ADDR) != 0) {\r
          Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Ip + Size));\r
        } else {\r
          Result = EdbFindAndPrintSymbol ((UINTN)Ip);\r
        }\r
        if (Result == 0) {\r
          EdbPrintRegister1 (Operands);\r
          if ((Modifiers & OPCODE_M_IMMDATA) != 0) {\r
            EdbPrintImmData32 (Data32);\r
          }\r
        }\r
      } else {\r
        EdbPrintRegister1 (Operands);\r
        if ((Modifiers & OPCODE_M_IMMDATA) != 0) {\r
          EdbPrintRawIndexData32 (Data32);\r
        }\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - RET.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmRET (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_RET);\r
\r
  if (*(UINT8 *)(UINTN)(InstructionAddress + 1) != 0) {\r
    return 0;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"RET");\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return 2;\r
}\r
\r
/**\r
\r
  Disasm instruction - CMP.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmCMP (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Opcode;\r
  UINT8  Modifiers;\r
  UINT8  Operands;\r
  UINT16 Data16;\r
  UINTN  Size;\r
\r
  ASSERT (\r
    (GET_OPCODE(InstructionAddress) == OPCODE_CMPEQ)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_CMPLTE)  ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_CMPGTE)  ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_CMPULTE) ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_CMPUGTE)\r
    );\r
\r
  Opcode     = GET_OPCODE (InstructionAddress);\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  if ((Modifiers & OPCODE_M_IMMDATA) != 0) {\r
    Size = 4;\r
  } else {\r
    Size = 2;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"CMP");\r
//    if (Modifiers & OPCODE_M_64BIT) {\r
//      EdbPrintInstructionName (L"64");\r
//    } else {\r
//      EdbPrintInstructionName (L"32");\r
//    }\r
    switch (Opcode) {\r
    case OPCODE_CMPEQ:\r
      EdbPrintInstructionName (L"eq");\r
      break;\r
    case OPCODE_CMPLTE:\r
      EdbPrintInstructionName (L"lte");\r
      break;\r
    case OPCODE_CMPGTE:\r
      EdbPrintInstructionName (L"gte");\r
      break;\r
    case OPCODE_CMPULTE:\r
      EdbPrintInstructionName (L"ulte");\r
      break;\r
    case OPCODE_CMPUGTE:\r
      EdbPrintInstructionName (L"ugte");\r
      break;\r
    }\r
\r
    EdbPrintRegister1 (Operands);\r
    InstructionAddress += 2;\r
\r
    EdbPrintComma ();\r
    EdbPrintRegister2 (Operands);\r
\r
    if ((Modifiers & OPCODE_M_IMMDATA) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      if ((Operands & OPERAND_M_INDIRECT2) != 0) {\r
        EdbPrintRawIndexData16 (Data16);\r
      } else {\r
        EdbPrintImmDatan (Data16);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - Unsigned Data Manipulate.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmUnsignedDataManip (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Opcode;\r
  UINT8  Operands;\r
  UINTN  Size;\r
  UINT16 Data16;\r
\r
  ASSERT (\r
    (GET_OPCODE(InstructionAddress) == OPCODE_NOT)    ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MULU)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_DIVU)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MODU)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_AND)    ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_OR)     ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_XOR)    ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_SHL)    ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_SHR)    ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_EXTNDB) ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_EXTNDW) ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_EXTNDD)\r
    );\r
\r
  Opcode     = GET_OPCODE (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {\r
    Size = 4;\r
  } else {\r
    Size = 2;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    switch (Opcode) {\r
    case OPCODE_NOT:\r
      EdbPrintInstructionName (L"NOT");\r
      break;\r
    case OPCODE_MULU:\r
      EdbPrintInstructionName (L"MULU");\r
      break;\r
    case OPCODE_DIVU:\r
      EdbPrintInstructionName (L"DIVU");\r
      break;\r
    case OPCODE_MODU:\r
      EdbPrintInstructionName (L"MODU");\r
      break;\r
    case OPCODE_AND:\r
      EdbPrintInstructionName (L"AND");\r
      break;\r
    case OPCODE_OR:\r
      EdbPrintInstructionName (L"OR");\r
      break;\r
    case OPCODE_XOR:\r
      EdbPrintInstructionName (L"XOR");\r
      break;\r
    case OPCODE_SHL:\r
      EdbPrintInstructionName (L"SHL");\r
      break;\r
    case OPCODE_SHR:\r
      EdbPrintInstructionName (L"SHR");\r
      break;\r
    case OPCODE_EXTNDB:\r
      EdbPrintInstructionName (L"EXTNDB");\r
      break;\r
    case OPCODE_EXTNDW:\r
      EdbPrintInstructionName (L"EXTNDW");\r
      break;\r
    case OPCODE_EXTNDD:\r
      EdbPrintInstructionName (L"EXTNDD");\r
      break;\r
    }\r
//    if (Modifiers & DATAMANIP_M_64) {\r
//      EdbPrintInstructionName (L"64");\r
//    } else {\r
//      EdbPrintInstructionName (L"32");\r
//    }\r
\r
    EdbPrintRegister1 (Operands);\r
    EdbPrintComma ();\r
    EdbPrintRegister2 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      if ((Operands & OPERAND_M_INDIRECT2) != 0) {\r
        EdbPrintRawIndexData16 (Data16);\r
      } else {\r
        EdbPrintImmDatan (Data16);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - Signed Data Manipulate,\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmSignedDataManip (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Opcode;\r
  UINT8  Operands;\r
  UINTN  Size;\r
  UINT16 Data16;\r
\r
  ASSERT (\r
    (GET_OPCODE(InstructionAddress) == OPCODE_NEG)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_ADD)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_SUB)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MUL)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_DIV)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOD)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_ASHR)\r
    );\r
\r
  Opcode     = GET_OPCODE (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {\r
    Size = 4;\r
  } else {\r
    Size = 2;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    switch (Opcode) {\r
    case OPCODE_NEG:\r
      EdbPrintInstructionName (L"NEG");\r
      break;\r
    case OPCODE_ADD:\r
      EdbPrintInstructionName (L"ADD");\r
      break;\r
    case OPCODE_SUB:\r
      EdbPrintInstructionName (L"SUB");\r
      break;\r
    case OPCODE_MUL:\r
      EdbPrintInstructionName (L"MUL");\r
      break;\r
    case OPCODE_DIV:\r
      EdbPrintInstructionName (L"DIV");\r
      break;\r
    case OPCODE_MOD:\r
      EdbPrintInstructionName (L"MOD");\r
      break;\r
    case OPCODE_ASHR:\r
      EdbPrintInstructionName (L"ASHR");\r
      break;\r
    }\r
//    if (Modifiers & DATAMANIP_M_64) {\r
//      EdbPrintInstructionName (L"64");\r
//    } else {\r
//      EdbPrintInstructionName (L"32");\r
//    }\r
\r
    EdbPrintRegister1 (Operands);\r
    EdbPrintComma ();\r
    EdbPrintRegister2 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      if ((Operands & OPERAND_M_INDIRECT2) != 0) {\r
        EdbPrintRawIndexData16 (Data16);\r
      } else {\r
        EdbPrintImmDatan (Data16);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - MOVxx.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmMOVxx (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8   Modifiers;\r
  UINT8   Opcode;\r
  UINT8   Operands;\r
  UINTN   Size;\r
  UINT16  Data16;\r
  UINT32  Data32;\r
  UINT64  Data64;\r
\r
  ASSERT (\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVBW)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVWW)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVDW)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVQW)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVBD)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVWD)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVDD)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVQD)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVQQ)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVNW)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_MOVND)\r
    );\r
\r
  Opcode     = GET_OPCODE (InstructionAddress);\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Size = 2;\r
  if ((Modifiers & (OPCODE_M_IMMED_OP1 | OPCODE_M_IMMED_OP2)) != 0) {\r
    if ((Opcode <= OPCODE_MOVQW) || (Opcode == OPCODE_MOVNW)) {\r
      if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {\r
        Size += 2;\r
      }\r
      if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {\r
        Size += 2;\r
      }\r
    } else if (((Opcode <= OPCODE_MOVQD) || (Opcode == OPCODE_MOVND)) != 0) {\r
      if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {\r
        Size += 4;\r
      }\r
      if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {\r
        Size += 4;\r
      }\r
    } else if (Opcode == OPCODE_MOVQQ) {\r
      if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {\r
        Size += 8;\r
      }\r
      if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {\r
        Size += 8;\r
      }\r
    }\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"MOV");\r
    switch (Opcode) {\r
    case OPCODE_MOVBW:\r
      EdbPrintInstructionName (L"bw");\r
      break;\r
    case OPCODE_MOVWW:\r
      EdbPrintInstructionName (L"ww");\r
      break;\r
    case OPCODE_MOVDW:\r
      EdbPrintInstructionName (L"dw");\r
      break;\r
    case OPCODE_MOVQW:\r
      EdbPrintInstructionName (L"qw");\r
      break;\r
    case OPCODE_MOVBD:\r
      EdbPrintInstructionName (L"bd");\r
      break;\r
    case OPCODE_MOVWD:\r
      EdbPrintInstructionName (L"wd");\r
      break;\r
    case OPCODE_MOVDD:\r
      EdbPrintInstructionName (L"dd");\r
      break;\r
    case OPCODE_MOVQD:\r
      EdbPrintInstructionName (L"qd");\r
      break;\r
    case OPCODE_MOVQQ:\r
      EdbPrintInstructionName (L"qq");\r
      break;\r
    case OPCODE_MOVNW:\r
      EdbPrintInstructionName (L"nw");\r
      break;\r
    case OPCODE_MOVND:\r
      EdbPrintInstructionName (L"nd");\r
      break;\r
    }\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {\r
      if ((Opcode <= OPCODE_MOVQW) || (Opcode == OPCODE_MOVNW)) {\r
        CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
        InstructionAddress += 2;\r
        EdbPrintRawIndexData16 (Data16);\r
      } else if ((Opcode <= OPCODE_MOVQD) || (Opcode == OPCODE_MOVND)) {\r
        CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));\r
        InstructionAddress += 4;\r
        EdbPrintRawIndexData32 (Data32);\r
      } else if (Opcode == OPCODE_MOVQQ) {\r
        CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));\r
        InstructionAddress += 8;\r
        EdbPrintRawIndexData64 (Data64);\r
      }\r
    }\r
\r
    EdbPrintComma ();\r
    EdbPrintRegister2 (Operands);\r
\r
    if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {\r
      if ((Opcode <= OPCODE_MOVQW) || (Opcode == OPCODE_MOVNW)) {\r
        CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
        EdbPrintRawIndexData16 (Data16);\r
      } else if ((Opcode <= OPCODE_MOVQD) || (Opcode == OPCODE_MOVND)) {\r
        CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));\r
        EdbPrintRawIndexData32 (Data32);\r
      } else if (Opcode == OPCODE_MOVQQ) {\r
        CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));\r
        EdbPrintRawIndexData64 (Data64);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - MOVsnw.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmMOVsnw (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Operands;\r
  UINTN  Size;\r
  UINT16 Data16;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVSNW);\r
\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Size = 2;\r
  if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {\r
    Size += 2;\r
  }\r
  if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {\r
    Size += 2;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"MOVsnw");\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      InstructionAddress += 2;\r
      EdbPrintRawIndexData16 (Data16);\r
    }\r
\r
    EdbPrintComma ();\r
    EdbPrintRegister2 (Operands);\r
\r
    if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      if ((Operands & OPERAND_M_INDIRECT2) != 0) {\r
        EdbPrintRawIndexData16 (Data16);\r
      } else {\r
        EdbPrintImmDatan (Data16);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - MOVsnd.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmMOVsnd (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Operands;\r
  UINTN  Size;\r
  UINT32 Data32;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVSND);\r
\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Size = 2;\r
  if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {\r
    Size += 4;\r
  }\r
  if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {\r
    Size += 4;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"MOVsnd");\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {\r
      CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));\r
      InstructionAddress += 4;\r
      EdbPrintRawIndexData32 (Data32);\r
    }\r
\r
    EdbPrintComma ();\r
    EdbPrintRegister2 (Operands);\r
\r
    if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {\r
      CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));\r
      if ((Operands & OPERAND_M_INDIRECT2) != 0) {\r
        EdbPrintRawIndexData32 (Data32);\r
      } else {\r
        EdbPrintImmDatan (Data32);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - LOADSP.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmLOADSP (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Operands;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_LOADSP);\r
\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"LOADSP");\r
\r
    EdbPrintDedicatedRegister1 (Operands);\r
\r
    EdbPrintRegister2 (Operands);\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return 2;\r
}\r
\r
/**\r
\r
  Disasm instruction - STORESP.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmSTORESP (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Operands;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_STORESP);\r
\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"STORESP");\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    EdbPrintDedicatedRegister2 (Operands);\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return 2;\r
}\r
\r
\r
/**\r
\r
  Disasm instruction - PUSH.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmPUSH (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Operands;\r
  UINTN  Size;\r
  UINT16 Data16;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_PUSH);\r
\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {\r
    Size = 4;\r
  } else {\r
    Size = 2;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"PUSH");\r
//    if (Modifiers & PUSHPOP_M_64) {\r
//      EdbPrintInstructionName (L"64");\r
//    } else {\r
//      EdbPrintInstructionName (L"32");\r
//    }\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      if ((Operands & OPERAND_M_INDIRECT1) != 0) {\r
        EdbPrintRawIndexData16 (Data16);\r
      } else {\r
        EdbPrintImmDatan (Data16);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - POP.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmPOP (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Operands;\r
  UINTN  Size;\r
  UINT16 Data16;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_POP);\r
\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {\r
    Size = 4;\r
  } else {\r
    Size = 2;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"POP");\r
//    if (Modifiers & PUSHPOP_M_64) {\r
//      EdbPrintInstructionName (L"64");\r
//    } else {\r
//      EdbPrintInstructionName (L"32");\r
//    }\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      if ((Operands & OPERAND_M_INDIRECT1) != 0) {\r
        EdbPrintRawIndexData16 (Data16);\r
      } else {\r
        EdbPrintImmDatan (Data16);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - CMPI.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmCMPI (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Opcode;\r
  UINT8  Operands;\r
  UINT16 Data16;\r
  UINT32 Data32;\r
  UINTN  Size;\r
\r
  ASSERT (\r
    (GET_OPCODE(InstructionAddress) == OPCODE_CMPIEQ)   ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_CMPILTE)  ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_CMPIGTE)  ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_CMPIULTE) ||\r
    (GET_OPCODE(InstructionAddress) == OPCODE_CMPIUGTE)\r
    );\r
\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  Opcode     = GET_OPCODE (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
\r
  if ((Operands & 0xE0) != 0) {\r
    return 0;\r
  }\r
\r
  Size = 2;\r
  if ((Operands & OPERAND_M_CMPI_INDEX) != 0) {\r
    Size += 2;\r
  }\r
  if ((Modifiers & OPCODE_M_CMPI32_DATA) != 0) {\r
    Size += 4;\r
  } else {\r
    Size += 2;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"CMPI");\r
//    if (Modifiers & OPCODE_M_CMPI64) {\r
//      EdbPrintInstructionName (L"64");\r
//    } else {\r
//      EdbPrintInstructionName (L"32");\r
//    }\r
    if ((Modifiers & OPCODE_M_CMPI32_DATA) != 0) {\r
      EdbPrintInstructionName (L"d");\r
    } else {\r
      EdbPrintInstructionName (L"w");\r
    }\r
    switch (Opcode) {\r
    case OPCODE_CMPIEQ:\r
      EdbPrintInstructionName (L"eq");\r
      break;\r
    case OPCODE_CMPILTE:\r
      EdbPrintInstructionName (L"lte");\r
      break;\r
    case OPCODE_CMPIGTE:\r
      EdbPrintInstructionName (L"gte");\r
      break;\r
    case OPCODE_CMPIULTE:\r
      EdbPrintInstructionName (L"ulte");\r
      break;\r
    case OPCODE_CMPIUGTE:\r
      EdbPrintInstructionName (L"ugte");\r
      break;\r
    }\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Operands & OPERAND_M_CMPI_INDEX) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      InstructionAddress += 2;\r
      EdbPrintRawIndexData16 (Data16);\r
    }\r
\r
    EdbPrintComma ();\r
\r
    if ((Modifiers & OPCODE_M_CMPI32_DATA) != 0) {\r
      CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));\r
      EdbPrintDatan (Data32);\r
    } else {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      EdbPrintDatan (Data16);\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - PUSHn.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmPUSHn (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Operands;\r
  UINTN  Size;\r
  UINT16 Data16;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_PUSHN);\r
\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {\r
    Size = 4;\r
  } else {\r
    Size = 2;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"PUSHn");\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      if ((Operands & OPERAND_M_INDIRECT1) != 0) {\r
        EdbPrintRawIndexData16 (Data16);\r
      } else {\r
        EdbPrintImmDatan (Data16);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - POPn.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmPOPn (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Operands;\r
  UINTN  Size;\r
  UINT16 Data16;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_POPN);\r
\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {\r
    Size = 4;\r
  } else {\r
    Size = 2;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"POPn");\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      if ((Operands & OPERAND_M_INDIRECT1) != 0) {\r
        EdbPrintRawIndexData16 (Data16);\r
      } else {\r
        EdbPrintImmDatan (Data16);\r
      }\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - MOVI.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmMOVI (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Operands;\r
  UINTN  Size;\r
  UINT16 Data16;\r
  UINT32 Data32;\r
  UINT64 Data64;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVI);\r
\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
\r
  if ((Operands & MOVI_M_IMMDATA) != 0) {\r
    Size    = 4;\r
  } else {\r
    Size    = 2;\r
  }\r
  if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH16) {\r
    Size += 2;\r
  } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH32) {\r
    Size += 4;\r
  } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH64) {\r
    Size += 8;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"MOVI");\r
    switch (Operands & MOVI_M_MOVEWIDTH) {\r
    case MOVI_MOVEWIDTH8:\r
      EdbPrintInstructionName (L"b");\r
      break;\r
    case MOVI_MOVEWIDTH16:\r
      EdbPrintInstructionName (L"w");\r
      break;\r
    case MOVI_MOVEWIDTH32:\r
      EdbPrintInstructionName (L"d");\r
      break;\r
    case MOVI_MOVEWIDTH64:\r
      EdbPrintInstructionName (L"q");\r
      break;\r
    }\r
    switch (Modifiers & MOVI_M_DATAWIDTH) {\r
    case MOVI_DATAWIDTH16:\r
      EdbPrintInstructionName (L"w");\r
      break;\r
    case MOVI_DATAWIDTH32:\r
      EdbPrintInstructionName (L"d");\r
      break;\r
    case MOVI_DATAWIDTH64:\r
      EdbPrintInstructionName (L"q");\r
      break;\r
    }\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Operands & MOVI_M_IMMDATA) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      InstructionAddress += 2;\r
      EdbPrintRawIndexData16 (Data16);\r
    }\r
\r
    EdbPrintComma ();\r
\r
    switch (Modifiers & MOVI_M_DATAWIDTH) {\r
    case MOVI_DATAWIDTH16:\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      EdbPrintDatan (Data16);\r
      break;\r
    case MOVI_DATAWIDTH32:\r
      CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));\r
      EdbPrintDatan (Data32);\r
      break;\r
    case MOVI_DATAWIDTH64:\r
      CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));\r
      EdbPrintData64n (Data64);\r
      break;\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - MOVIn.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmMOVIn (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8  Modifiers;\r
  UINT8  Operands;\r
  UINTN  Size;\r
  UINT16 Data16;\r
  UINT32 Data32;\r
  UINT64 Data64;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVIN);\r
\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
\r
  if ((Operands & MOVI_M_IMMDATA) != 0) {\r
    Size    = 4;\r
  } else {\r
    Size    = 2;\r
  }\r
  if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH16) {\r
    Size += 2;\r
  } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH32) {\r
    Size += 4;\r
  } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH64) {\r
    Size += 8;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"MOVIn");\r
    switch (Modifiers & MOVI_M_DATAWIDTH) {\r
    case MOVI_DATAWIDTH16:\r
      EdbPrintInstructionName (L"w");\r
      break;\r
    case MOVI_DATAWIDTH32:\r
      EdbPrintInstructionName (L"d");\r
      break;\r
    case MOVI_DATAWIDTH64:\r
      EdbPrintInstructionName (L"q");\r
      break;\r
    }\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Operands & MOVI_M_IMMDATA) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      InstructionAddress += 2;\r
      EdbPrintRawIndexData16 (Data16);\r
    }\r
\r
    EdbPrintComma ();\r
\r
    switch (Modifiers & MOVI_M_DATAWIDTH) {\r
    case MOVI_DATAWIDTH16:\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      EdbPrintRawIndexData16 (Data16);\r
      break;\r
    case MOVI_DATAWIDTH32:\r
      CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));\r
      EdbPrintRawIndexData32 (Data32);\r
      break;\r
    case MOVI_DATAWIDTH64:\r
      CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));\r
      EdbPrintRawIndexData64 (Data64);\r
      break;\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r
\r
/**\r
\r
  Disasm instruction - MOVREL.\r
\r
  @param  InstructionAddress - The instruction address\r
  @param  SystemContext      - EBC system context.\r
  @param  DisasmString       - The instruction string\r
\r
  @return Instruction length\r
\r
**/\r
UINTN\r
EdbDisasmMOVREL (\r
  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,\r
  IN     EFI_SYSTEM_CONTEXT        SystemContext,\r
  OUT    CHAR16                    **DisasmString\r
  )\r
{\r
  UINT8   Modifiers;\r
  UINT8   Operands;\r
  UINTN   Size;\r
  UINT16  Data16;\r
  UINT32  Data32;\r
  UINT64  Data64;\r
  UINTN   Result;\r
  EFI_PHYSICAL_ADDRESS      SavedInstructionAddress;\r
\r
  ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVREL);\r
  SavedInstructionAddress = InstructionAddress;\r
\r
  Modifiers  = GET_MODIFIERS (InstructionAddress);\r
  Operands   = GET_OPERANDS (InstructionAddress);\r
\r
  if ((Operands & MOVI_M_IMMDATA) != 0) {\r
    Size    = 4;\r
  } else {\r
    Size    = 2;\r
  }\r
  if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH16) {\r
    Size += 2;\r
  } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH32) {\r
    Size += 4;\r
  } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH64) {\r
    Size += 8;\r
  } else {\r
    return 0;\r
  }\r
\r
  //\r
  // Construct Disasm String\r
  //\r
  if (DisasmString != NULL) {\r
    *DisasmString = EdbPreInstructionString ();\r
\r
    EdbPrintInstructionName (L"MOVrel");\r
    switch (Modifiers & MOVI_M_DATAWIDTH) {\r
    case MOVI_DATAWIDTH16:\r
      EdbPrintInstructionName (L"w");\r
      break;\r
    case MOVI_DATAWIDTH32:\r
      EdbPrintInstructionName (L"d");\r
      break;\r
    case MOVI_DATAWIDTH64:\r
      EdbPrintInstructionName (L"q");\r
      break;\r
    }\r
\r
    EdbPrintRegister1 (Operands);\r
\r
    InstructionAddress += 2;\r
    if ((Operands & MOVI_M_IMMDATA) != 0) {\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      InstructionAddress += 2;\r
      EdbPrintRawIndexData16 (Data16);\r
    }\r
\r
    EdbPrintComma ();\r
\r
    switch (Modifiers & MOVI_M_DATAWIDTH) {\r
    case MOVI_DATAWIDTH16:\r
      CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));\r
      Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Size + (INT16)Data16));\r
      if (Result == 0) {\r
        EdbPrintData16 (Data16);\r
      }\r
      break;\r
    case MOVI_DATAWIDTH32:\r
      CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));\r
      Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Size + (INT32)Data32));\r
      if (Result == 0) {\r
        EdbPrintData32 (Data32);\r
      }\r
      break;\r
    case MOVI_DATAWIDTH64:\r
      CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));\r
      if (sizeof(UINTN) == sizeof(UINT64)) {\r
        Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Size + (INT64)Data64));\r
      } else {\r
        Result = 0;\r
      }\r
      if (Result == 0) {\r
        EdbPrintData64 (Data64);\r
      }\r
      break;\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r