diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbDisasm.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbDisasm.c')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbDisasm.c | 1770 |
1 files changed, 1770 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbDisasm.c b/roms/edk2/MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbDisasm.c new file mode 100644 index 000000000..7d933cae7 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbDisasm.c @@ -0,0 +1,1770 @@ +/** @file
+
+Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+
+**/
+
+#include "Edb.h"
+
+//
+// Debugger Disasm definition
+//
+#define EDB_DISASM_DEFINE(func) \
+UINTN \
+func ( \
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress, \
+ IN EFI_SYSTEM_CONTEXT SystemContext, \
+ OUT CHAR16 **DisasmString \
+ )
+
+EDB_DISASM_DEFINE (EdbDisasmBREAK);
+EDB_DISASM_DEFINE (EdbDisasmJMP);
+EDB_DISASM_DEFINE (EdbDisasmJMP8);
+EDB_DISASM_DEFINE (EdbDisasmCALL);
+EDB_DISASM_DEFINE (EdbDisasmRET);
+EDB_DISASM_DEFINE (EdbDisasmCMP);
+EDB_DISASM_DEFINE (EdbDisasmUnsignedDataManip);
+EDB_DISASM_DEFINE (EdbDisasmSignedDataManip);
+EDB_DISASM_DEFINE (EdbDisasmMOVxx);
+EDB_DISASM_DEFINE (EdbDisasmMOVsnw);
+EDB_DISASM_DEFINE (EdbDisasmMOVsnd);
+EDB_DISASM_DEFINE (EdbDisasmLOADSP);
+EDB_DISASM_DEFINE (EdbDisasmSTORESP);
+EDB_DISASM_DEFINE (EdbDisasmPUSH);
+EDB_DISASM_DEFINE (EdbDisasmPOP);
+EDB_DISASM_DEFINE (EdbDisasmCMPI);
+EDB_DISASM_DEFINE (EdbDisasmPUSHn);
+EDB_DISASM_DEFINE (EdbDisasmPOPn);
+EDB_DISASM_DEFINE (EdbDisasmMOVI);
+EDB_DISASM_DEFINE (EdbDisasmMOVIn);
+EDB_DISASM_DEFINE (EdbDisasmMOVREL);
+
+//
+// Debugger Disasm Table
+//
+EDB_DISASM_INSTRUCTION mEdbDisasmInstructionTable[] = {
+ EdbDisasmBREAK, // opcode 0x00 BREAK
+ EdbDisasmJMP, // opcode 0x01 JMP
+ EdbDisasmJMP8, // opcode 0x02 JMP8
+ EdbDisasmCALL, // opcode 0x03 CALL
+ EdbDisasmRET, // opcode 0x04 RET
+ EdbDisasmCMP, // opcode 0x05 CMPEQ
+ EdbDisasmCMP, // opcode 0x06 CMPLTE
+ EdbDisasmCMP, // opcode 0x07 CMPGTE
+ EdbDisasmCMP, // opcode 0x08 CMPULTE
+ EdbDisasmCMP, // opcode 0x09 CMPUGTE
+ EdbDisasmUnsignedDataManip, // opcode 0x0A NOT
+ EdbDisasmSignedDataManip, // opcode 0x0B NEG
+ EdbDisasmSignedDataManip, // opcode 0x0C ADD
+ EdbDisasmSignedDataManip, // opcode 0x0D SUB
+ EdbDisasmSignedDataManip, // opcode 0x0E MUL
+ EdbDisasmUnsignedDataManip, // opcode 0x0F MULU
+ EdbDisasmSignedDataManip, // opcode 0x10 DIV
+ EdbDisasmUnsignedDataManip, // opcode 0x11 DIVU
+ EdbDisasmSignedDataManip, // opcode 0x12 MOD
+ EdbDisasmUnsignedDataManip, // opcode 0x13 MODU
+ EdbDisasmUnsignedDataManip, // opcode 0x14 AND
+ EdbDisasmUnsignedDataManip, // opcode 0x15 OR
+ EdbDisasmUnsignedDataManip, // opcode 0x16 XOR
+ EdbDisasmUnsignedDataManip, // opcode 0x17 SHL
+ EdbDisasmUnsignedDataManip, // opcode 0x18 SHR
+ EdbDisasmSignedDataManip, // opcode 0x19 ASHR
+ EdbDisasmUnsignedDataManip, // opcode 0x1A EXTNDB
+ EdbDisasmUnsignedDataManip, // opcode 0x1B EXTNDW
+ EdbDisasmUnsignedDataManip, // opcode 0x1C EXTNDD
+ EdbDisasmMOVxx, // opcode 0x1D MOVBW
+ EdbDisasmMOVxx, // opcode 0x1E MOVWW
+ EdbDisasmMOVxx, // opcode 0x1F MOVDW
+ EdbDisasmMOVxx, // opcode 0x20 MOVQW
+ EdbDisasmMOVxx, // opcode 0x21 MOVBD
+ EdbDisasmMOVxx, // opcode 0x22 MOVWD
+ EdbDisasmMOVxx, // opcode 0x23 MOVDD
+ EdbDisasmMOVxx, // opcode 0x24 MOVQD
+ EdbDisasmMOVsnw, // opcode 0x25 MOVSNW
+ EdbDisasmMOVsnd, // opcode 0x26 MOVSND
+ NULL, // opcode 0x27
+ EdbDisasmMOVxx, // opcode 0x28 MOVQQ
+ EdbDisasmLOADSP, // opcode 0x29 LOADSP
+ EdbDisasmSTORESP, // opcode 0x2A STORESP
+ EdbDisasmPUSH, // opcode 0x2B PUSH
+ EdbDisasmPOP, // opcode 0x2C POP
+ EdbDisasmCMPI, // opcode 0x2D CMPIEQ
+ EdbDisasmCMPI, // opcode 0x2E CMPILTE
+ EdbDisasmCMPI, // opcode 0x2F CMPIGTE
+ EdbDisasmCMPI, // opcode 0x30 CMPIULTE
+ EdbDisasmCMPI, // opcode 0x31 CMPIUGTE
+ EdbDisasmMOVxx, // opcode 0x32 MOVNW
+ EdbDisasmMOVxx, // opcode 0x33 MOVND
+ NULL, // opcode 0x34
+ EdbDisasmPUSHn, // opcode 0x35 PUSHN
+ EdbDisasmPOPn, // opcode 0x36 POPN
+ EdbDisasmMOVI, // opcode 0x37 MOVI
+ EdbDisasmMOVIn, // opcode 0x38 MOVIN
+ EdbDisasmMOVREL, // opcode 0x39 MOVREL
+};
+
+/**
+
+ Disasm instruction - BREAK.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmBREAK (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_BREAK);
+
+ if (*(UINT8 *)(UINTN)(InstructionAddress + 1) > 6) {
+ return 0;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"BREAK");
+ EdbPrintDatan (*(UINT8 *)(UINTN)(InstructionAddress + 1));
+
+ EdbPostInstructionString ();
+ }
+
+ return 2;
+}
+
+extern CONST UINT8 mJMPLen[];
+
+/**
+
+ Disasm instruction - JMP.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmJMP (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT32 Data32;
+ UINT64 Data64;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_JMP);
+
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+ Size = (UINTN)mJMPLen[(Modifiers >> 6) & 0x03];
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"JMP");
+// if (Modifiers & OPCODE_M_IMMDATA64) {
+// EdbPrintInstructionName (L"64");
+// } else {
+// EdbPrintInstructionName (L"32");
+// }
+ if ((Modifiers & CONDITION_M_CONDITIONAL) != 0) {
+ if ((Modifiers & JMP_M_CS) != 0) {
+ EdbPrintInstructionName (L"cs");
+ } else {
+ EdbPrintInstructionName (L"cc");
+ }
+ }
+
+ InstructionAddress += 2;
+ if ((Modifiers & OPCODE_M_IMMDATA64) != 0) {
+ CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
+ if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
+ EdbPrintData64 (Data64);
+ } else {
+ return 0;
+ }
+ } else {
+ CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
+ EdbPrintRegister1 (Operands);
+
+ if ((Operands & OPERAND_M_INDIRECT1) == 0) {
+ if ((Modifiers & OPCODE_M_IMMDATA) == 0) {
+ Data32 = 0;
+ }
+ EdbPrintImmDatan (Data32);
+ } else {
+ EdbPrintRawIndexData32 (Data32);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - JMP8.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmJMP8 (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_JMP8);
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"JMP8");
+ if ((Modifiers & CONDITION_M_CONDITIONAL) != 0) {
+ if ((Modifiers & JMP_M_CS) != 0) {
+ EdbPrintInstructionName (L"cs");
+ } else {
+ EdbPrintInstructionName (L"cc");
+ }
+ }
+
+ EdbPrintData8 (*(UINT8 *)(UINTN)(InstructionAddress + 1));
+
+ EdbPostInstructionString ();
+ }
+
+ return 2;
+}
+
+/**
+
+ Disasm instruction - CALL.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmCALL (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT32 Data32;
+ UINT64 Data64;
+ UINT64 Ip;
+ UINTN Result;
+ EFI_PHYSICAL_ADDRESS SavedInstructionAddress;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_CALL);
+ SavedInstructionAddress = InstructionAddress;
+
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+ Size = (UINTN)mJMPLen[(Modifiers >> 6) & 0x03];
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"CALL");
+// if (Modifiers & OPCODE_M_IMMDATA64) {
+// EdbPrintInstructionName (L"64");
+// } else {
+// EdbPrintInstructionName (L"32");
+// }
+ if ((Operands & OPERAND_M_NATIVE_CALL) != 0) {
+ EdbPrintInstructionName (L"EX");
+ }
+// if ((Operands & OPERAND_M_RELATIVE_ADDR) == 0) {
+// EdbPrintInstructionName (L"a");
+// }
+
+ InstructionAddress += 2;
+ if ((Modifiers & OPCODE_M_IMMDATA64) != 0) {
+ CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
+ Ip = Data64;
+ if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
+ Result = EdbFindAndPrintSymbol ((UINTN)Ip);
+ if (Result == 0) {
+ EdbPrintData64 (Data64);
+ }
+ } else {
+ return 0;
+ }
+ } else {
+ if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
+ CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
+ } else {
+ Data32 = 0;
+ }
+
+ if ((Operands & OPERAND_M_OP1) == 0) {
+ Ip = (UINT64)Data32;
+ } else {
+ Ip = GetRegisterValue (SystemContext, (Operands & OPERAND_M_OP1));
+ }
+
+ if ((Operands & OPERAND_M_INDIRECT1) == 0) {
+ if ((Operands & OPERAND_M_RELATIVE_ADDR) != 0) {
+ Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Ip + Size));
+ } else {
+ Result = EdbFindAndPrintSymbol ((UINTN)Ip);
+ }
+ if (Result == 0) {
+ EdbPrintRegister1 (Operands);
+ if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
+ EdbPrintImmData32 (Data32);
+ }
+ }
+ } else {
+ EdbPrintRegister1 (Operands);
+ if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
+ EdbPrintRawIndexData32 (Data32);
+ }
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - RET.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmRET (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_RET);
+
+ if (*(UINT8 *)(UINTN)(InstructionAddress + 1) != 0) {
+ return 0;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"RET");
+
+ EdbPostInstructionString ();
+ }
+
+ return 2;
+}
+
+/**
+
+ Disasm instruction - CMP.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmCMP (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Opcode;
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINT16 Data16;
+ UINTN Size;
+
+ ASSERT (
+ (GET_OPCODE(InstructionAddress) == OPCODE_CMPEQ) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_CMPLTE) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_CMPGTE) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_CMPULTE) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_CMPUGTE)
+ );
+
+ Opcode = GET_OPCODE (InstructionAddress);
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+ if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
+ Size = 4;
+ } else {
+ Size = 2;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"CMP");
+// if (Modifiers & OPCODE_M_64BIT) {
+// EdbPrintInstructionName (L"64");
+// } else {
+// EdbPrintInstructionName (L"32");
+// }
+ switch (Opcode) {
+ case OPCODE_CMPEQ:
+ EdbPrintInstructionName (L"eq");
+ break;
+ case OPCODE_CMPLTE:
+ EdbPrintInstructionName (L"lte");
+ break;
+ case OPCODE_CMPGTE:
+ EdbPrintInstructionName (L"gte");
+ break;
+ case OPCODE_CMPULTE:
+ EdbPrintInstructionName (L"ulte");
+ break;
+ case OPCODE_CMPUGTE:
+ EdbPrintInstructionName (L"ugte");
+ break;
+ }
+
+ EdbPrintRegister1 (Operands);
+ InstructionAddress += 2;
+
+ EdbPrintComma ();
+ EdbPrintRegister2 (Operands);
+
+ if ((Modifiers & OPCODE_M_IMMDATA) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ if ((Operands & OPERAND_M_INDIRECT2) != 0) {
+ EdbPrintRawIndexData16 (Data16);
+ } else {
+ EdbPrintImmDatan (Data16);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - Unsigned Data Manipulate.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmUnsignedDataManip (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Opcode;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+
+ ASSERT (
+ (GET_OPCODE(InstructionAddress) == OPCODE_NOT) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MULU) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_DIVU) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MODU) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_AND) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_OR) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_XOR) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_SHL) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_SHR) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_EXTNDB) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_EXTNDW) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_EXTNDD)
+ );
+
+ Opcode = GET_OPCODE (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {
+ Size = 4;
+ } else {
+ Size = 2;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ switch (Opcode) {
+ case OPCODE_NOT:
+ EdbPrintInstructionName (L"NOT");
+ break;
+ case OPCODE_MULU:
+ EdbPrintInstructionName (L"MULU");
+ break;
+ case OPCODE_DIVU:
+ EdbPrintInstructionName (L"DIVU");
+ break;
+ case OPCODE_MODU:
+ EdbPrintInstructionName (L"MODU");
+ break;
+ case OPCODE_AND:
+ EdbPrintInstructionName (L"AND");
+ break;
+ case OPCODE_OR:
+ EdbPrintInstructionName (L"OR");
+ break;
+ case OPCODE_XOR:
+ EdbPrintInstructionName (L"XOR");
+ break;
+ case OPCODE_SHL:
+ EdbPrintInstructionName (L"SHL");
+ break;
+ case OPCODE_SHR:
+ EdbPrintInstructionName (L"SHR");
+ break;
+ case OPCODE_EXTNDB:
+ EdbPrintInstructionName (L"EXTNDB");
+ break;
+ case OPCODE_EXTNDW:
+ EdbPrintInstructionName (L"EXTNDW");
+ break;
+ case OPCODE_EXTNDD:
+ EdbPrintInstructionName (L"EXTNDD");
+ break;
+ }
+// if (Modifiers & DATAMANIP_M_64) {
+// EdbPrintInstructionName (L"64");
+// } else {
+// EdbPrintInstructionName (L"32");
+// }
+
+ EdbPrintRegister1 (Operands);
+ EdbPrintComma ();
+ EdbPrintRegister2 (Operands);
+
+ InstructionAddress += 2;
+ if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ if ((Operands & OPERAND_M_INDIRECT2) != 0) {
+ EdbPrintRawIndexData16 (Data16);
+ } else {
+ EdbPrintImmDatan (Data16);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - Signed Data Manipulate,
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmSignedDataManip (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Opcode;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+
+ ASSERT (
+ (GET_OPCODE(InstructionAddress) == OPCODE_NEG) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_ADD) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_SUB) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MUL) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_DIV) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOD) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_ASHR)
+ );
+
+ Opcode = GET_OPCODE (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {
+ Size = 4;
+ } else {
+ Size = 2;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ switch (Opcode) {
+ case OPCODE_NEG:
+ EdbPrintInstructionName (L"NEG");
+ break;
+ case OPCODE_ADD:
+ EdbPrintInstructionName (L"ADD");
+ break;
+ case OPCODE_SUB:
+ EdbPrintInstructionName (L"SUB");
+ break;
+ case OPCODE_MUL:
+ EdbPrintInstructionName (L"MUL");
+ break;
+ case OPCODE_DIV:
+ EdbPrintInstructionName (L"DIV");
+ break;
+ case OPCODE_MOD:
+ EdbPrintInstructionName (L"MOD");
+ break;
+ case OPCODE_ASHR:
+ EdbPrintInstructionName (L"ASHR");
+ break;
+ }
+// if (Modifiers & DATAMANIP_M_64) {
+// EdbPrintInstructionName (L"64");
+// } else {
+// EdbPrintInstructionName (L"32");
+// }
+
+ EdbPrintRegister1 (Operands);
+ EdbPrintComma ();
+ EdbPrintRegister2 (Operands);
+
+ InstructionAddress += 2;
+ if ((Modifiers & DATAMANIP_M_IMMDATA) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ if ((Operands & OPERAND_M_INDIRECT2) != 0) {
+ EdbPrintRawIndexData16 (Data16);
+ } else {
+ EdbPrintImmDatan (Data16);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - MOVxx.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmMOVxx (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Opcode;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+ UINT32 Data32;
+ UINT64 Data64;
+
+ ASSERT (
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVBW) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVWW) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVDW) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVQW) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVBD) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVWD) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVDD) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVQD) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVQQ) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVNW) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_MOVND)
+ );
+
+ Opcode = GET_OPCODE (InstructionAddress);
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+ Size = 2;
+ if ((Modifiers & (OPCODE_M_IMMED_OP1 | OPCODE_M_IMMED_OP2)) != 0) {
+ if ((Opcode <= OPCODE_MOVQW) || (Opcode == OPCODE_MOVNW)) {
+ if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
+ Size += 2;
+ }
+ if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
+ Size += 2;
+ }
+ } else if (((Opcode <= OPCODE_MOVQD) || (Opcode == OPCODE_MOVND)) != 0) {
+ if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
+ Size += 4;
+ }
+ if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
+ Size += 4;
+ }
+ } else if (Opcode == OPCODE_MOVQQ) {
+ if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
+ Size += 8;
+ }
+ if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
+ Size += 8;
+ }
+ }
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"MOV");
+ switch (Opcode) {
+ case OPCODE_MOVBW:
+ EdbPrintInstructionName (L"bw");
+ break;
+ case OPCODE_MOVWW:
+ EdbPrintInstructionName (L"ww");
+ break;
+ case OPCODE_MOVDW:
+ EdbPrintInstructionName (L"dw");
+ break;
+ case OPCODE_MOVQW:
+ EdbPrintInstructionName (L"qw");
+ break;
+ case OPCODE_MOVBD:
+ EdbPrintInstructionName (L"bd");
+ break;
+ case OPCODE_MOVWD:
+ EdbPrintInstructionName (L"wd");
+ break;
+ case OPCODE_MOVDD:
+ EdbPrintInstructionName (L"dd");
+ break;
+ case OPCODE_MOVQD:
+ EdbPrintInstructionName (L"qd");
+ break;
+ case OPCODE_MOVQQ:
+ EdbPrintInstructionName (L"qq");
+ break;
+ case OPCODE_MOVNW:
+ EdbPrintInstructionName (L"nw");
+ break;
+ case OPCODE_MOVND:
+ EdbPrintInstructionName (L"nd");
+ break;
+ }
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
+ if ((Opcode <= OPCODE_MOVQW) || (Opcode == OPCODE_MOVNW)) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ InstructionAddress += 2;
+ EdbPrintRawIndexData16 (Data16);
+ } else if ((Opcode <= OPCODE_MOVQD) || (Opcode == OPCODE_MOVND)) {
+ CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
+ InstructionAddress += 4;
+ EdbPrintRawIndexData32 (Data32);
+ } else if (Opcode == OPCODE_MOVQQ) {
+ CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
+ InstructionAddress += 8;
+ EdbPrintRawIndexData64 (Data64);
+ }
+ }
+
+ EdbPrintComma ();
+ EdbPrintRegister2 (Operands);
+
+ if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
+ if ((Opcode <= OPCODE_MOVQW) || (Opcode == OPCODE_MOVNW)) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ EdbPrintRawIndexData16 (Data16);
+ } else if ((Opcode <= OPCODE_MOVQD) || (Opcode == OPCODE_MOVND)) {
+ CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
+ EdbPrintRawIndexData32 (Data32);
+ } else if (Opcode == OPCODE_MOVQQ) {
+ CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
+ EdbPrintRawIndexData64 (Data64);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - MOVsnw.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmMOVsnw (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVSNW);
+
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+ Size = 2;
+ if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
+ Size += 2;
+ }
+ if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
+ Size += 2;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"MOVsnw");
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ InstructionAddress += 2;
+ EdbPrintRawIndexData16 (Data16);
+ }
+
+ EdbPrintComma ();
+ EdbPrintRegister2 (Operands);
+
+ if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ if ((Operands & OPERAND_M_INDIRECT2) != 0) {
+ EdbPrintRawIndexData16 (Data16);
+ } else {
+ EdbPrintImmDatan (Data16);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - MOVsnd.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmMOVsnd (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT32 Data32;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVSND);
+
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+ Size = 2;
+ if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
+ Size += 4;
+ }
+ if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
+ Size += 4;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"MOVsnd");
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Modifiers & OPCODE_M_IMMED_OP1) != 0) {
+ CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
+ InstructionAddress += 4;
+ EdbPrintRawIndexData32 (Data32);
+ }
+
+ EdbPrintComma ();
+ EdbPrintRegister2 (Operands);
+
+ if ((Modifiers & OPCODE_M_IMMED_OP2) != 0) {
+ CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
+ if ((Operands & OPERAND_M_INDIRECT2) != 0) {
+ EdbPrintRawIndexData32 (Data32);
+ } else {
+ EdbPrintImmDatan (Data32);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - LOADSP.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmLOADSP (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Operands;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_LOADSP);
+
+ Operands = GET_OPERANDS (InstructionAddress);
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"LOADSP");
+
+ EdbPrintDedicatedRegister1 (Operands);
+
+ EdbPrintRegister2 (Operands);
+
+ EdbPostInstructionString ();
+ }
+
+ return 2;
+}
+
+/**
+
+ Disasm instruction - STORESP.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmSTORESP (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Operands;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_STORESP);
+
+ Operands = GET_OPERANDS (InstructionAddress);
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"STORESP");
+
+ EdbPrintRegister1 (Operands);
+
+ EdbPrintDedicatedRegister2 (Operands);
+
+ EdbPostInstructionString ();
+ }
+
+ return 2;
+}
+
+
+/**
+
+ Disasm instruction - PUSH.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmPUSH (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_PUSH);
+
+ Operands = GET_OPERANDS (InstructionAddress);
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
+ Size = 4;
+ } else {
+ Size = 2;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"PUSH");
+// if (Modifiers & PUSHPOP_M_64) {
+// EdbPrintInstructionName (L"64");
+// } else {
+// EdbPrintInstructionName (L"32");
+// }
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ if ((Operands & OPERAND_M_INDIRECT1) != 0) {
+ EdbPrintRawIndexData16 (Data16);
+ } else {
+ EdbPrintImmDatan (Data16);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - POP.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmPOP (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_POP);
+
+ Operands = GET_OPERANDS (InstructionAddress);
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
+ Size = 4;
+ } else {
+ Size = 2;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"POP");
+// if (Modifiers & PUSHPOP_M_64) {
+// EdbPrintInstructionName (L"64");
+// } else {
+// EdbPrintInstructionName (L"32");
+// }
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ if ((Operands & OPERAND_M_INDIRECT1) != 0) {
+ EdbPrintRawIndexData16 (Data16);
+ } else {
+ EdbPrintImmDatan (Data16);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - CMPI.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmCMPI (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Opcode;
+ UINT8 Operands;
+ UINT16 Data16;
+ UINT32 Data32;
+ UINTN Size;
+
+ ASSERT (
+ (GET_OPCODE(InstructionAddress) == OPCODE_CMPIEQ) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_CMPILTE) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_CMPIGTE) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_CMPIULTE) ||
+ (GET_OPCODE(InstructionAddress) == OPCODE_CMPIUGTE)
+ );
+
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ Opcode = GET_OPCODE (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+
+ if ((Operands & 0xE0) != 0) {
+ return 0;
+ }
+
+ Size = 2;
+ if ((Operands & OPERAND_M_CMPI_INDEX) != 0) {
+ Size += 2;
+ }
+ if ((Modifiers & OPCODE_M_CMPI32_DATA) != 0) {
+ Size += 4;
+ } else {
+ Size += 2;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"CMPI");
+// if (Modifiers & OPCODE_M_CMPI64) {
+// EdbPrintInstructionName (L"64");
+// } else {
+// EdbPrintInstructionName (L"32");
+// }
+ if ((Modifiers & OPCODE_M_CMPI32_DATA) != 0) {
+ EdbPrintInstructionName (L"d");
+ } else {
+ EdbPrintInstructionName (L"w");
+ }
+ switch (Opcode) {
+ case OPCODE_CMPIEQ:
+ EdbPrintInstructionName (L"eq");
+ break;
+ case OPCODE_CMPILTE:
+ EdbPrintInstructionName (L"lte");
+ break;
+ case OPCODE_CMPIGTE:
+ EdbPrintInstructionName (L"gte");
+ break;
+ case OPCODE_CMPIULTE:
+ EdbPrintInstructionName (L"ulte");
+ break;
+ case OPCODE_CMPIUGTE:
+ EdbPrintInstructionName (L"ugte");
+ break;
+ }
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Operands & OPERAND_M_CMPI_INDEX) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ InstructionAddress += 2;
+ EdbPrintRawIndexData16 (Data16);
+ }
+
+ EdbPrintComma ();
+
+ if ((Modifiers & OPCODE_M_CMPI32_DATA) != 0) {
+ CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
+ EdbPrintDatan (Data32);
+ } else {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ EdbPrintDatan (Data16);
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - PUSHn.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmPUSHn (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_PUSHN);
+
+ Operands = GET_OPERANDS (InstructionAddress);
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
+ Size = 4;
+ } else {
+ Size = 2;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"PUSHn");
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ if ((Operands & OPERAND_M_INDIRECT1) != 0) {
+ EdbPrintRawIndexData16 (Data16);
+ } else {
+ EdbPrintImmDatan (Data16);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - POPn.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmPOPn (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_POPN);
+
+ Operands = GET_OPERANDS (InstructionAddress);
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
+ Size = 4;
+ } else {
+ Size = 2;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"POPn");
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Modifiers & PUSHPOP_M_IMMDATA) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ if ((Operands & OPERAND_M_INDIRECT1) != 0) {
+ EdbPrintRawIndexData16 (Data16);
+ } else {
+ EdbPrintImmDatan (Data16);
+ }
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - MOVI.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmMOVI (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+ UINT32 Data32;
+ UINT64 Data64;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVI);
+
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+
+ if ((Operands & MOVI_M_IMMDATA) != 0) {
+ Size = 4;
+ } else {
+ Size = 2;
+ }
+ if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH16) {
+ Size += 2;
+ } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH32) {
+ Size += 4;
+ } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH64) {
+ Size += 8;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"MOVI");
+ switch (Operands & MOVI_M_MOVEWIDTH) {
+ case MOVI_MOVEWIDTH8:
+ EdbPrintInstructionName (L"b");
+ break;
+ case MOVI_MOVEWIDTH16:
+ EdbPrintInstructionName (L"w");
+ break;
+ case MOVI_MOVEWIDTH32:
+ EdbPrintInstructionName (L"d");
+ break;
+ case MOVI_MOVEWIDTH64:
+ EdbPrintInstructionName (L"q");
+ break;
+ }
+ switch (Modifiers & MOVI_M_DATAWIDTH) {
+ case MOVI_DATAWIDTH16:
+ EdbPrintInstructionName (L"w");
+ break;
+ case MOVI_DATAWIDTH32:
+ EdbPrintInstructionName (L"d");
+ break;
+ case MOVI_DATAWIDTH64:
+ EdbPrintInstructionName (L"q");
+ break;
+ }
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Operands & MOVI_M_IMMDATA) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ InstructionAddress += 2;
+ EdbPrintRawIndexData16 (Data16);
+ }
+
+ EdbPrintComma ();
+
+ switch (Modifiers & MOVI_M_DATAWIDTH) {
+ case MOVI_DATAWIDTH16:
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ EdbPrintDatan (Data16);
+ break;
+ case MOVI_DATAWIDTH32:
+ CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
+ EdbPrintDatan (Data32);
+ break;
+ case MOVI_DATAWIDTH64:
+ CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
+ EdbPrintData64n (Data64);
+ break;
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - MOVIn.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmMOVIn (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+ UINT32 Data32;
+ UINT64 Data64;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVIN);
+
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+
+ if ((Operands & MOVI_M_IMMDATA) != 0) {
+ Size = 4;
+ } else {
+ Size = 2;
+ }
+ if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH16) {
+ Size += 2;
+ } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH32) {
+ Size += 4;
+ } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH64) {
+ Size += 8;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"MOVIn");
+ switch (Modifiers & MOVI_M_DATAWIDTH) {
+ case MOVI_DATAWIDTH16:
+ EdbPrintInstructionName (L"w");
+ break;
+ case MOVI_DATAWIDTH32:
+ EdbPrintInstructionName (L"d");
+ break;
+ case MOVI_DATAWIDTH64:
+ EdbPrintInstructionName (L"q");
+ break;
+ }
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Operands & MOVI_M_IMMDATA) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ InstructionAddress += 2;
+ EdbPrintRawIndexData16 (Data16);
+ }
+
+ EdbPrintComma ();
+
+ switch (Modifiers & MOVI_M_DATAWIDTH) {
+ case MOVI_DATAWIDTH16:
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ EdbPrintRawIndexData16 (Data16);
+ break;
+ case MOVI_DATAWIDTH32:
+ CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
+ EdbPrintRawIndexData32 (Data32);
+ break;
+ case MOVI_DATAWIDTH64:
+ CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
+ EdbPrintRawIndexData64 (Data64);
+ break;
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
+
+/**
+
+ Disasm instruction - MOVREL.
+
+ @param InstructionAddress - The instruction address
+ @param SystemContext - EBC system context.
+ @param DisasmString - The instruction string
+
+ @return Instruction length
+
+**/
+UINTN
+EdbDisasmMOVREL (
+ IN EFI_PHYSICAL_ADDRESS InstructionAddress,
+ IN EFI_SYSTEM_CONTEXT SystemContext,
+ OUT CHAR16 **DisasmString
+ )
+{
+ UINT8 Modifiers;
+ UINT8 Operands;
+ UINTN Size;
+ UINT16 Data16;
+ UINT32 Data32;
+ UINT64 Data64;
+ UINTN Result;
+ EFI_PHYSICAL_ADDRESS SavedInstructionAddress;
+
+ ASSERT (GET_OPCODE(InstructionAddress) == OPCODE_MOVREL);
+ SavedInstructionAddress = InstructionAddress;
+
+ Modifiers = GET_MODIFIERS (InstructionAddress);
+ Operands = GET_OPERANDS (InstructionAddress);
+
+ if ((Operands & MOVI_M_IMMDATA) != 0) {
+ Size = 4;
+ } else {
+ Size = 2;
+ }
+ if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH16) {
+ Size += 2;
+ } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH32) {
+ Size += 4;
+ } else if ((Modifiers & MOVI_M_DATAWIDTH) == MOVI_DATAWIDTH64) {
+ Size += 8;
+ } else {
+ return 0;
+ }
+
+ //
+ // Construct Disasm String
+ //
+ if (DisasmString != NULL) {
+ *DisasmString = EdbPreInstructionString ();
+
+ EdbPrintInstructionName (L"MOVrel");
+ switch (Modifiers & MOVI_M_DATAWIDTH) {
+ case MOVI_DATAWIDTH16:
+ EdbPrintInstructionName (L"w");
+ break;
+ case MOVI_DATAWIDTH32:
+ EdbPrintInstructionName (L"d");
+ break;
+ case MOVI_DATAWIDTH64:
+ EdbPrintInstructionName (L"q");
+ break;
+ }
+
+ EdbPrintRegister1 (Operands);
+
+ InstructionAddress += 2;
+ if ((Operands & MOVI_M_IMMDATA) != 0) {
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ InstructionAddress += 2;
+ EdbPrintRawIndexData16 (Data16);
+ }
+
+ EdbPrintComma ();
+
+ switch (Modifiers & MOVI_M_DATAWIDTH) {
+ case MOVI_DATAWIDTH16:
+ CopyMem (&Data16, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT16));
+ Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Size + (INT16)Data16));
+ if (Result == 0) {
+ EdbPrintData16 (Data16);
+ }
+ break;
+ case MOVI_DATAWIDTH32:
+ CopyMem (&Data32, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT32));
+ Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Size + (INT32)Data32));
+ if (Result == 0) {
+ EdbPrintData32 (Data32);
+ }
+ break;
+ case MOVI_DATAWIDTH64:
+ CopyMem (&Data64, (VOID *)(UINTN)(InstructionAddress), sizeof(UINT64));
+ if (sizeof(UINTN) == sizeof(UINT64)) {
+ Result = EdbFindAndPrintSymbol ((UINTN)(SavedInstructionAddress + Size + (INT64)Data64));
+ } else {
+ Result = 0;
+ }
+ if (Result == 0) {
+ EdbPrintData64 (Data64);
+ }
+ break;
+ }
+
+ EdbPostInstructionString ();
+ }
+
+ return Size;
+}
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