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

/** @file\r
\r
Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\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
\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
\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
\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
\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
\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
\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
\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
\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
\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
\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
  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
\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
\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
\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
\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
\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
\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
\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
\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
\r
        if (Result == 0) {\r
          EdbPrintData64 (Data64);\r
        }\r
\r
        break;\r
    }\r
\r
    EdbPostInstructionString ();\r
  }\r
\r
  return Size;\r
}\r