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-rw-r--r--util/sconfig/main.c63
1 files changed, 43 insertions, 20 deletions
diff --git a/util/sconfig/main.c b/util/sconfig/main.c
index 170acadec7..f561806a11 100644
--- a/util/sconfig/main.c
+++ b/util/sconfig/main.c
@@ -2,6 +2,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <ctype.h>
+#include <getopt.h>
/* stat.h needs to be included before commonlib/helpers.h to avoid errors.*/
#include <sys/stat.h>
#include <commonlib/helpers.h>
@@ -1309,21 +1310,14 @@ static void inherit_subsystem_ids(FILE *file, FILE *head, struct device *dev,
static void usage(void)
{
- printf("usage: sconfig devicetree_file output_file header_file [override_devicetree_file]\n");
+ printf("usage: sconfig <options>\n");
+ printf(" -c | --output_c : Path to output static.c file (required)\n");
+ printf(" -r | --output_h : Path to header static.h file (required)\n");
+ printf(" -m | --mainboard_devtree : Path to mainboard devicetree file (required)\n");
+ printf(" -o | --override_devtree : Path to override devicetree file (optional)\n");
exit(1);
}
-enum {
- DEVICEFILE_ARG = 1,
- OUTPUTFILE_ARG,
- HEADERFILE_ARG,
- OVERRIDE_DEVICEFILE_ARG,
-};
-
-#define MANDATORY_ARG_COUNT 4
-#define OPTIONAL_ARG_COUNT 1
-#define TOTAL_ARG_COUNT (MANDATORY_ARG_COUNT + OPTIONAL_ARG_COUNT)
-
static void parse_devicetree(const char *file, struct bus *parent)
{
FILE *filec = fopen(file, "r");
@@ -1674,18 +1668,47 @@ static void override_devicetree(struct bus *base_parent,
int main(int argc, char **argv)
{
- if ((argc < MANDATORY_ARG_COUNT) || (argc > TOTAL_ARG_COUNT))
- usage();
+ static const struct option long_options[] = {
+ { "mainboard_devtree", 1, NULL, 'm' },
+ { "override_devtree", 1, NULL, 'o' },
+ { "output_c", 1, NULL, 'c' },
+ { "output_h", 1, NULL, 'r' },
+ { "help", 1, NULL, 'h' },
+ { }
+ };
+ const char *override_devtree = NULL;
+ const char *base_devtree = NULL;
+ const char *outputc = NULL;
+ const char *outputh = NULL;
+ int opt, option_index;
+
+ while ((opt = getopt_long(argc, argv, "m:o:c:r:h", long_options,
+ &option_index)) != EOF) {
+ switch (opt) {
+ case 'm':
+ base_devtree = strdup(optarg);
+ break;
+ case 'o':
+ override_devtree = strdup(optarg);
+ break;
+ case 'c':
+ outputc = strdup(optarg);
+ break;
+ case 'r':
+ outputh = strdup(optarg);
+ break;
+ case 'h':
+ default:
+ usage();
+ }
+ }
- const char *base_devtree = argv[DEVICEFILE_ARG];
- const char *outputc = argv[OUTPUTFILE_ARG];
- const char *outputh = argv[HEADERFILE_ARG];
- const char *override_devtree;
+ if (!base_devtree || !outputc || !outputh)
+ usage();
parse_devicetree(base_devtree, &base_root_bus);
- if (argc == TOTAL_ARG_COUNT) {
- override_devtree = argv[OVERRIDE_DEVICEFILE_ARG];
+ if (override_devtree) {
parse_devicetree(override_devtree, &override_root_bus);
if (!dev_has_children(&override_root_dev)) {