diff options
Diffstat (limited to 'arch/armv7/thumb2_disasm/il_thumb2.cpp')
| -rw-r--r-- | arch/armv7/thumb2_disasm/il_thumb2.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/arch/armv7/thumb2_disasm/il_thumb2.cpp b/arch/armv7/thumb2_disasm/il_thumb2.cpp index d98b54d2..39d9d0a0 100644 --- a/arch/armv7/thumb2_disasm/il_thumb2.cpp +++ b/arch/armv7/thumb2_disasm/il_thumb2.cpp @@ -973,6 +973,44 @@ bool GetLowLevelILForThumbInstruction(Architecture* arch, LowLevelILFunction& il il.AddInstruction(WriteArithOperand(il, instr, il.LogicalShiftRight(4, ReadArithOperand(il, instr, 0), ReadArithOperand(il, instr, 1), ifThenBlock ? 0 : IL_FLAGWRITE_CNZ))); break; + case armv7::ARMV7_MCR: + case armv7::ARMV7_MCR2: + { + int dest_reg_field = instr->fields[instr->format->operands[2].field0]; + int dest_reg = GetRegisterByIndex(dest_reg_field, instr->format->operands[2].prefix); + + il.AddInstruction( + il.Intrinsic({ }, ARMV7_INTRIN_COPROC_SENDONEWORD, + { + il.Register(4, dest_reg), + il.Const(1, instr->fields[instr->format->operands[0].field0]), + il.Const(1, instr->fields[instr->format->operands[1].field0]), + il.Const(1, instr->fields[instr->format->operands[3].field0]), + il.Const(1, instr->fields[instr->format->operands[4].field0]), + il.Const(1, instr->fields[instr->format->operands[5].field0]), + } + ) + ); + break; + } + case ARMV7_MCRR: + case ARMV7_MCRR2: + { + int rt = instr->fields[instr->format->operands[2].field0]; + int rt2 = instr->fields[instr->format->operands[3].field0]; + il.AddInstruction( + il.Intrinsic({ }, ARMV7_INTRIN_COPROC_SENDTWOWORDS, + { + il.Register(4, rt2), + il.Register(4, rt), + il.Const(1, instr->fields[instr->format->operands[0].field0]), + il.Const(1, instr->fields[instr->format->operands[1].field0]), + il.Const(1, instr->fields[instr->format->operands[4].field0]), + } + ) + ); + break; + } case armv7::ARMV7_MLA: il.AddInstruction(WriteILOperand(il, instr, 0, il.Add(4, ReadILOperand(il, instr, 3), il.Mult(4, ReadILOperand(il, instr, 1), ReadILOperand(il, instr, 2))))); break; @@ -993,6 +1031,66 @@ bool GetLowLevelILForThumbInstruction(Architecture* arch, LowLevelILFunction& il il.ShiftLeft(4, il.Const(2, instr->fields[instr->format->operands[1].field0]), il.Const(1, 16)), il.And(4, il.Const(4, 0x0000ffff), ReadILOperand(il, instr, 0))))); break; + case armv7::ARMV7_MRC: + case armv7::ARMV7_MRC2: + { + auto params = { + il.Const(1, instr->fields[instr->format->operands[0].field0]), /* cp */ + il.Const(1, instr->fields[instr->format->operands[1].field0]), /* opc1 */ + il.Const(1, instr->fields[instr->format->operands[3].field0]), /* crn */ + il.Const(1, instr->fields[instr->format->operands[4].field0]), /* crm */ + il.Const(1, instr->fields[instr->format->operands[5].field0]), /* opc2 */ + }; + + int dest_reg_field = instr->fields[instr->format->operands[2].field0]; + if (dest_reg_field == 15) + { + il.AddInstruction( + il.Intrinsic( + { RegisterOrFlag::Register(LLIL_TEMP(0)) }, + ARMV7_INTRIN_COPROC_GETONEWORD, + params + ) + ); + il.AddInstruction(il.SetFlag(IL_FLAG_N, il.TestBit(4, il.Register(4, LLIL_TEMP(0)), il.Const(1, 31)))); + il.AddInstruction(il.SetFlag(IL_FLAG_Z, il.TestBit(4, il.Register(4, LLIL_TEMP(0)), il.Const(1, 30)))); + il.AddInstruction(il.SetFlag(IL_FLAG_C, il.TestBit(4, il.Register(4, LLIL_TEMP(0)), il.Const(1, 29)))); + il.AddInstruction(il.SetFlag(IL_FLAG_V, il.TestBit(4, il.Register(4, LLIL_TEMP(0)), il.Const(1, 28)))); + break; + } + + int dest_reg = GetRegisterByIndex(dest_reg_field, instr->format->operands[2].prefix); + + il.AddInstruction( + il.Intrinsic( + {RegisterOrFlag::Register(dest_reg)}, /* outputs */ + ARMV7_INTRIN_COPROC_GETONEWORD, + params /* inputs */ + ) + ); + break; + } + + case ARMV7_MRRC: + case ARMV7_MRRC2: + { + int rt = instr->fields[instr->format->operands[2].field0]; + int rt2 = instr->fields[instr->format->operands[3].field0]; + + il.AddInstruction( + il.Intrinsic( + { RegisterOrFlag::Register(rt2), RegisterOrFlag::Register(rt) }, + ARMV7_INTRIN_COPROC_GETTWOWORDS, + { + il.Const(1, instr->fields[instr->format->operands[0].field0]), + il.Const(1, instr->fields[instr->format->operands[1].field0]), + il.Const(1, instr->fields[instr->format->operands[4].field0]), + } + ) + ); + break; + } + case armv7::ARMV7_MRS: { int dest_reg = GetRegisterByIndex(instr->fields[instr->format->operands[0].field0], instr->format->operands[0].prefix); |