diff options
Diffstat (limited to 'src/target/armv4_5.c')
-rw-r--r-- | src/target/armv4_5.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c index 36101b0..0488785 100644 --- a/src/target/armv4_5.c +++ b/src/target/armv4_5.c @@ -951,6 +951,49 @@ static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv) return JIM_OK; } +COMMAND_HANDLER(handle_arm_semihosting_command) +{ + struct target *target = get_current_target(CMD_CTX); + struct arm *arm = target ? target_to_arm(target) : NULL; + + if (!is_arm(arm)) { + command_print(CMD_CTX, "current target isn't an ARM"); + return ERROR_FAIL; + } + + if (!arm->setup_semihosting) + { + command_print(CMD_CTX, "semihosting not supported for current target"); + } + + if (CMD_ARGC > 0) + { + int semihosting; + + COMMAND_PARSE_ENABLE(CMD_ARGV[0], semihosting); + + if (!target_was_examined(target)) + { + LOG_ERROR("Target not examined yet"); + return ERROR_FAIL; + } + + if (arm->setup_semihosting(target, semihosting) != ERROR_OK) { + LOG_ERROR("Failed to Configure semihosting"); + return ERROR_FAIL; + } + + /* FIXME never let that "catch" be dropped! */ + arm->is_semihosting = semihosting; + } + + command_print(CMD_CTX, "semihosting is %s", + arm->is_semihosting + ? "enabled" : "disabled"); + + return ERROR_OK; +} + static const struct command_registration arm_exec_command_handlers[] = { { .name = "reg", @@ -985,6 +1028,13 @@ static const struct command_registration arm_exec_command_handlers[] = { .help = "read coprocessor register", .usage = "cpnum op1 CRn op2 CRm", }, + { + "semihosting", + .handler = handle_arm_semihosting_command, + .mode = COMMAND_EXEC, + .usage = "['enable'|'disable']", + .help = "activate support for semihosting operations", + }, COMMAND_REGISTRATION_DONE }; |