diff options
Diffstat (limited to 'src/target/armv4_5.c')
| -rw-r--r-- | src/target/armv4_5.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c index 51fd4b42..4932e20a 100644 --- a/src/target/armv4_5.c +++ b/src/target/armv4_5.c @@ -19,6 +19,8 @@ ***************************************************************************/ #include "config.h" +#include "arm_disassembler.h" + #include "armv4_5.h" #include "target.h" @@ -377,6 +379,47 @@ int handle_armv4_5_core_state_command(struct command_context_s *cmd_ctx, char *c return ERROR_OK; } +int handle_armv4_5_disassemble_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + target_t *target = get_current_target(cmd_ctx); + armv4_5_common_t *armv4_5 = target->arch_info; + u32 address; + int count; + int i; + arm_instruction_t cur_instruction; + u32 opcode; + int thumb; + + if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC) + { + command_print(cmd_ctx, "current target isn't an ARMV4/5 target"); + return ERROR_OK; + } + + if (argc < 2) + { + command_print(cmd_ctx, "usage: armv4_5 disassemble <address> <count> ['thumb']"); + return ERROR_OK; + } + + address = strtoul(args[0], NULL, 0); + count = strtoul(args[1], NULL, 0); + + if (argc >= 3) + if (strcmp(args[2], "thumb") == 0) + thumb = 1; + + for (i = 0; i < count; i++) + { + target->type->read_memory(target, address, 4, 1, (u8*)&opcode); + evaluate_opcode(opcode, address, &cur_instruction); + command_print(cmd_ctx, "%s", cur_instruction.text); + address += (thumb) ? 2 : 4; + } + + return ERROR_OK; +} + int armv4_5_register_commands(struct command_context_s *cmd_ctx) { command_t *armv4_5_cmd; @@ -386,6 +429,7 @@ int armv4_5_register_commands(struct command_context_s *cmd_ctx) register_command(cmd_ctx, armv4_5_cmd, "reg", handle_armv4_5_reg_command, COMMAND_EXEC, "display ARM core registers"); register_command(cmd_ctx, armv4_5_cmd, "core_state", handle_armv4_5_core_state_command, COMMAND_EXEC, "display/change ARM core state <arm|thumb>"); + register_command(cmd_ctx, armv4_5_cmd, "disassemble", handle_armv4_5_disassemble_command, COMMAND_EXEC, "disassemble instructions <address> <count> ['thumb']"); return ERROR_OK; } |