diff options
Diffstat (limited to 'src/target')
| -rw-r--r-- | src/target/arm_disassembler.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/target/arm_disassembler.c b/src/target/arm_disassembler.c index 1ea882d0..218233ae 100644 --- a/src/target/arm_disassembler.c +++ b/src/target/arm_disassembler.c @@ -1512,6 +1512,7 @@ int evaluate_data_proc_thumb(uint16_t opcode, uint32_t address, arm_instruction_ { uint8_t high_reg, op, Rm, Rd,H1,H2; char *mnemonic = NULL; + bool nop = false; high_reg = (opcode & 0x0400) >> 10; op = (opcode & 0x03C0) >> 6; @@ -1546,6 +1547,8 @@ int evaluate_data_proc_thumb(uint16_t opcode, uint32_t address, arm_instruction_ case 0x2: instruction->type = ARM_MOV; mnemonic = "MOV"; + if (Rd == Rm) + nop = true; break; case 0x3: if ((opcode & 0x7) == 0x0) @@ -1671,9 +1674,15 @@ int evaluate_data_proc_thumb(uint16_t opcode, uint32_t address, arm_instruction_ } } - snprintf(instruction->text, 128, - "0x%8.8" PRIx32 " 0x%4.4x \t%s\tr%i, r%i", - address, opcode, mnemonic, Rd, Rm); + if (nop) + snprintf(instruction->text, 128, + "0x%8.8" PRIx32 " 0x%4.4x \tNOP\t\t\t" + "; (%s r%i, r%i)", + address, opcode, mnemonic, Rd, Rm); + else + snprintf(instruction->text, 128, + "0x%8.8" PRIx32 " 0x%4.4x \t%s\tr%i, r%i", + address, opcode, mnemonic, Rd, Rm); return ERROR_OK; } |