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target: arc: rewrite command 'arc add-reg' as COMMAND_HANDLER 

While there, fix some coding style error and remove the now unused
function jim_arc_read_reg_name_field() and the macro
JIM_CHECK_RETVAL().

Change-Id: I140b4b929978b2936f2310e0b7d1735ba726c517
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7426
Tested-by: jenkins
Reviewed-by: Evgeniy Didin <didin@synopsys.com>
This commit is contained in:
Antonio Borneo 2022-12-27 02:38:25 +01:00
parent 85f3b10a69
commit 4a79372b6e
2 changed files with 90 additions and 137 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/target/arc.h
View File

@ -253,16 +253,6 @@ struct arc_common {
} \
} while (0)
#define JIM_CHECK_RETVAL(action) \
do { \
int __retval = (action); \
if (__retval != JIM_OK) { \
LOG_DEBUG("error while calling \"%s\"", \
# action); \
return __retval; \
} \
} while (0)
static inline struct arc_common *target_to_arc(struct target *target)
{
return target->arch_info;

217
src/target/arc_cmd.c
View File

@ -55,21 +55,6 @@ static const char *validate_register(const struct arc_reg_desc * const reg, bool
return NULL;
}
/* Helper function to read the name of register type or register from
* configure files */
static int jim_arc_read_reg_name_field(struct jim_getopt_info *goi,
const char **name, int *name_len)
{
int e = JIM_OK;
if (!goi->argc) {
Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-name <name> ...");
return JIM_ERR;
}
e = jim_getopt_string(goi, name, name_len);
return e;
}
static COMMAND_HELPER(arc_handle_add_reg_type_flags_ops, struct arc_reg_data_type *type)
{
struct reg_data_type_flags_field *fields = type->reg_type_flags_field;
@ -528,7 +513,7 @@ enum opts_add_reg {
CFG_ADD_REG_GENERAL,
};
static struct jim_nvp opts_nvp_add_reg[] = {
static const struct nvp opts_nvp_add_reg[] = {
{ .name = "-name", .value = CFG_ADD_REG_NAME },
{ .name = "-num", .value = CFG_ADD_REG_ARCH_NUM },
{ .name = "-core", .value = CFG_ADD_REG_IS_CORE },
@ -546,155 +531,133 @@ void free_reg_desc(struct arc_reg_desc *r)
free(r);
}
static int jim_arc_add_reg(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
static COMMAND_HELPER(arc_handle_add_reg_do, struct arc_reg_desc *reg)
{
struct jim_getopt_info goi;
JIM_CHECK_RETVAL(jim_getopt_setup(&goi, interp, argc-1, argv+1));
struct arc_reg_desc *reg = calloc(1, sizeof(*reg));
if (!reg) {
Jim_SetResultFormatted(goi.interp, "Failed to allocate memory.");
return JIM_ERR;
}
/* There is no architecture number that we could treat as invalid, so
* separate variable required to ensure that arch num has been set. */
bool arch_num_set = false;
const char *type_name = "int"; /* Default type */
int type_name_len = strlen(type_name);
int e = ERROR_OK;
/* At least we need to specify 4 parameters: name, number and gdb_feature,
* which means there should be 6 arguments. Also there can be additional parameters
* "-type <type>", "-g" and "-core" or "-bcr" which makes maximum 10 parameters. */
if (goi.argc < 6 || goi.argc > 10) {
free_reg_desc(reg);
Jim_SetResultFormatted(goi.interp,
"Should be at least 6 arguments and not greater than 10: "
" -name <name> -num <num> -feature <gdb_feature> "
" [-type <type_name>] [-core|-bcr] [-g].");
return JIM_ERR;
}
if (CMD_ARGC < 6 || CMD_ARGC > 10)
return ERROR_COMMAND_SYNTAX_ERROR;
/* Parse options. */
while (goi.argc > 0) {
struct jim_nvp *n;
e = jim_getopt_nvp(&goi, opts_nvp_add_reg, &n);
if (e != JIM_OK) {
jim_getopt_nvp_unknown(&goi, opts_nvp_add_reg, 0);
free_reg_desc(reg);
return e;
}
while (CMD_ARGC) {
const struct nvp *n = nvp_name2value(opts_nvp_add_reg, CMD_ARGV[0]);
CMD_ARGC--;
CMD_ARGV++;
switch (n->value) {
case CFG_ADD_REG_NAME:
{
const char *reg_name = NULL;
int reg_name_len = 0;
case CFG_ADD_REG_NAME:
if (!CMD_ARGC)
return ERROR_COMMAND_ARGUMENT_INVALID;
e = jim_arc_read_reg_name_field(&goi, &reg_name, &reg_name_len);
if (e != JIM_OK) {
Jim_SetResultFormatted(goi.interp, "Unable to read register name.");
free_reg_desc(reg);
return e;
}
reg->name = strndup(reg_name, reg_name_len);
break;
reg->name = strdup(CMD_ARGV[0]);
if (!reg->name) {
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
case CFG_ADD_REG_IS_CORE:
reg->is_core = true;
break;
case CFG_ADD_REG_IS_BCR:
reg->is_bcr = true;
break;
case CFG_ADD_REG_ARCH_NUM:
{
jim_wide archnum;
if (!goi.argc) {
free_reg_desc(reg);
Jim_WrongNumArgs(interp, goi.argc, goi.argv, "-num <int> ...");
return JIM_ERR;
}
CMD_ARGC--;
CMD_ARGV++;
break;
e = jim_getopt_wide(&goi, &archnum);
if (e != JIM_OK) {
free_reg_desc(reg);
return e;
}
case CFG_ADD_REG_IS_CORE:
reg->is_core = true;
break;
reg->arch_num = archnum;
arch_num_set = true;
break;
case CFG_ADD_REG_IS_BCR:
reg->is_bcr = true;
break;
case CFG_ADD_REG_ARCH_NUM:
if (!CMD_ARGC)
return ERROR_COMMAND_ARGUMENT_INVALID;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], reg->arch_num);
CMD_ARGC--;
CMD_ARGV++;
arch_num_set = true;
break;
case CFG_ADD_REG_GDB_FEATURE:
if (!CMD_ARGC)
return ERROR_COMMAND_ARGUMENT_INVALID;
reg->gdb_xml_feature = strdup(CMD_ARGV[0]);
if (!reg->gdb_xml_feature) {
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
case CFG_ADD_REG_GDB_FEATURE:
{
const char *feature = NULL;
int feature_len = 0;
e = jim_arc_read_reg_name_field(&goi, &feature, &feature_len);
if (e != JIM_OK) {
Jim_SetResultFormatted(goi.interp, "Unable to read gdb_feature.");
free_reg_desc(reg);
return e;
}
CMD_ARGC--;
CMD_ARGV++;
break;
reg->gdb_xml_feature = strndup(feature, feature_len);
break;
}
case CFG_ADD_REG_TYPE:
e = jim_arc_read_reg_name_field(&goi, &type_name, &type_name_len);
if (e != JIM_OK) {
Jim_SetResultFormatted(goi.interp, "Unable to read register type.");
free_reg_desc(reg);
return e;
}
case CFG_ADD_REG_TYPE:
if (!CMD_ARGC)
return ERROR_COMMAND_ARGUMENT_INVALID;
break;
case CFG_ADD_REG_GENERAL:
reg->is_general = true;
break;
default:
LOG_DEBUG("Error: Unknown parameter");
free_reg_desc(reg);
return JIM_ERR;
type_name = CMD_ARGV[0];
CMD_ARGC--;
CMD_ARGV++;
break;
case CFG_ADD_REG_GENERAL:
reg->is_general = true;
break;
default:
nvp_unknown_command_print(CMD, opts_nvp_add_reg, NULL, CMD_ARGV[-1]);
return ERROR_COMMAND_ARGUMENT_INVALID;
}
}
/* Check that required fields are set */
const char * const errmsg = validate_register(reg, arch_num_set);
if (errmsg) {
Jim_SetResultFormatted(goi.interp, errmsg);
free_reg_desc(reg);
return JIM_ERR;
command_print(CMD, "%s", errmsg);
return ERROR_COMMAND_ARGUMENT_INVALID;
}
/* Add new register */
struct command_context *ctx;
struct target *target;
ctx = current_command_context(interp);
assert(ctx);
target = get_current_target(ctx);
struct target *target = get_current_target(CMD_CTX);
if (!target) {
Jim_SetResultFormatted(goi.interp, "No current target");
free_reg_desc(reg);
return JIM_ERR;
command_print(CMD, "No current target");
return ERROR_FAIL;
}
reg->target = target;
e = arc_reg_add(target, reg, type_name, type_name_len);
if (e == ERROR_ARC_REGTYPE_NOT_FOUND) {
Jim_SetResultFormatted(goi.interp,
int retval = arc_reg_add(target, reg, type_name, strlen(type_name));
if (retval == ERROR_ARC_REGTYPE_NOT_FOUND) {
command_print(CMD,
"Cannot find type `%s' for register `%s'.",
type_name, reg->name);
free_reg_desc(reg);
return JIM_ERR;
return retval;
}
return e;
return ERROR_OK;
}
COMMAND_HANDLER(arc_handle_add_reg)
{
struct arc_reg_desc *reg = calloc(1, sizeof(*reg));
if (!reg) {
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
int retval = CALL_COMMAND_HANDLER(arc_handle_add_reg_do, reg);
if (retval != ERROR_OK) {
free_reg_desc(reg);
return retval;
}
return ERROR_OK;
}
/* arc set-reg-exists ($reg_name)+
@ -887,7 +850,7 @@ static const struct command_registration arc_core_command_handlers[] = {
},
{
.name = "add-reg",
.jim_handler = jim_arc_add_reg,
.handler = arc_handle_add_reg,
.mode = COMMAND_CONFIG,
.usage = "-name <string> -num <int> -feature <string> [-gdbnum <int>] "
"[-core|-bcr] [-type <type_name>] [-g]",