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target: arc: rewrite command 'arc get-reg-field' as COMMAND_HANDLER 

This also fixes several incorrect return ERROR_xxx from a jim
command.

Change-Id: I34fe3552d3dc344eac67bf504c5d5709b707fdfd
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7411
Tested-by: jenkins
Reviewed-by: Evgeniy Didin <didin@synopsys.com>
This commit is contained in:
Antonio Borneo 2022-12-19 17:03:03 +01:00
parent f0cb5b0272
commit 996d6f383d
1 changed files with 16 additions and 35 deletions
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51
src/target/arc_cmd.c
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@ -796,59 +796,40 @@ COMMAND_HANDLER(arc_set_reg_exists)
/* arc reg-field ($reg_name) ($reg_field)
* Reads struct type register field */
static int jim_arc_get_reg_field(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
COMMAND_HANDLER(arc_handle_get_reg_field)
{
struct jim_getopt_info goi;
const char *reg_name, *field_name;
uint32_t value;
int retval;
JIM_CHECK_RETVAL(jim_getopt_setup(&goi, interp, argc-1, argv+1));
LOG_DEBUG("Reading register field");
if (goi.argc != 2) {
if (!goi.argc)
Jim_WrongNumArgs(interp, goi.argc, goi.argv, "<regname> <fieldname>");
else if (goi.argc == 1)
Jim_WrongNumArgs(interp, goi.argc, goi.argv, "<fieldname>");
else
Jim_WrongNumArgs(interp, goi.argc, goi.argv, "<regname> <fieldname>");
if (CMD_ARGC != 2)
return ERROR_COMMAND_SYNTAX_ERROR;
}
JIM_CHECK_RETVAL(jim_getopt_string(&goi, &reg_name, NULL));
JIM_CHECK_RETVAL(jim_getopt_string(&goi, &field_name, NULL));
assert(reg_name);
assert(field_name);
struct command_context * const ctx = current_command_context(interp);
assert(ctx);
struct target * const target = get_current_target(ctx);
struct target *target = get_current_target(CMD_CTX);
if (!target) {
Jim_SetResultFormatted(goi.interp, "No current target");
return JIM_ERR;
command_print(CMD, "No current target");
return ERROR_FAIL;
}
retval = arc_reg_get_field(target, reg_name, field_name, &value);
const char *reg_name = CMD_ARGV[0];
const char *field_name = CMD_ARGV[1];
uint32_t value;
int retval = arc_reg_get_field(target, reg_name, field_name, &value);
switch (retval) {
case ERROR_OK:
break;
case ERROR_ARC_REGISTER_NOT_FOUND:
Jim_SetResultFormatted(goi.interp,
command_print(CMD,
"Register `%s' has not been found.", reg_name);
return ERROR_COMMAND_ARGUMENT_INVALID;
case ERROR_ARC_REGISTER_IS_NOT_STRUCT:
Jim_SetResultFormatted(goi.interp,
command_print(CMD,
"Register `%s' must have 'struct' type.", reg_name);
return ERROR_COMMAND_ARGUMENT_INVALID;
case ERROR_ARC_REGISTER_FIELD_NOT_FOUND:
Jim_SetResultFormatted(goi.interp,
command_print(CMD,
"Field `%s' has not been found in register `%s'.",
field_name, reg_name);
return ERROR_COMMAND_ARGUMENT_INVALID;
case ERROR_ARC_FIELD_IS_NOT_BITFIELD:
Jim_SetResultFormatted(goi.interp,
command_print(CMD,
"Field `%s' is not a 'bitfield' field in a structure.",
field_name);
return ERROR_COMMAND_ARGUMENT_INVALID;
@ -857,9 +838,9 @@ static int jim_arc_get_reg_field(Jim_Interp *interp, int argc, Jim_Obj * const *
return retval;
}
Jim_SetResultInt(interp, value);
command_print(CMD, "0x%" PRIx32, value);
return JIM_OK;
return ERROR_OK;
}
COMMAND_HANDLER(arc_l1_cache_disable_auto_cmd)
@ -1002,7 +983,7 @@ static const struct command_registration arc_core_command_handlers[] = {
},
{
.name = "get-reg-field",
.jim_handler = jim_arc_get_reg_field,
.handler = arc_handle_get_reg_field,
.mode = COMMAND_ANY,
.usage = "<regname> <field_name>",
.help = "Returns value of field in a register with 'struct' type.",