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Diffstat (limited to 'scripts/dtc/dtc.c')
-rw-r--r--scripts/dtc/dtc.c119
1 files changed, 59 insertions, 60 deletions
diff --git a/scripts/dtc/dtc.c b/scripts/dtc/dtc.c
index a375683c153..e3c96536fd9 100644
--- a/scripts/dtc/dtc.c
+++ b/scripts/dtc/dtc.c
@@ -21,8 +21,6 @@
#include "dtc.h"
#include "srcpos.h"
-#include "version_gen.h"
-
/*
* Command line options
*/
@@ -49,55 +47,60 @@ static void fill_fullpaths(struct node *tree, const char *prefix)
fill_fullpaths(child, tree->fullpath);
}
-static void __attribute__ ((noreturn)) usage(void)
-{
- fprintf(stderr, "Usage:\n");
- fprintf(stderr, "\tdtc [options] <input file>\n");
- fprintf(stderr, "\nOptions:\n");
- fprintf(stderr, "\t-h\n");
- fprintf(stderr, "\t\tThis help text\n");
- fprintf(stderr, "\t-q\n");
- fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n");
- fprintf(stderr, "\t-I <input format>\n");
- fprintf(stderr, "\t\tInput formats are:\n");
- fprintf(stderr, "\t\t\tdts - device tree source text\n");
- fprintf(stderr, "\t\t\tdtb - device tree blob\n");
- fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n");
- fprintf(stderr, "\t-o <output file>\n");
- fprintf(stderr, "\t-O <output format>\n");
- fprintf(stderr, "\t\tOutput formats are:\n");
- fprintf(stderr, "\t\t\tdts - device tree source text\n");
- fprintf(stderr, "\t\t\tdtb - device tree blob\n");
- fprintf(stderr, "\t\t\tasm - assembler source\n");
- fprintf(stderr, "\t-V <output version>\n");
- fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION);
- fprintf(stderr, "\t-d <output dependency file>\n");
- fprintf(stderr, "\t-R <number>\n");
- fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n");
- fprintf(stderr, "\t-S <bytes>\n");
- fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n");
- fprintf(stderr, "\t-p <bytes>\n");
- fprintf(stderr, "\t\tAdd padding to the blob of <bytes> long (extra space)\n");
- fprintf(stderr, "\t-b <number>\n");
- fprintf(stderr, "\t\tSet the physical boot cpu\n");
- fprintf(stderr, "\t-f\n");
- fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
- fprintf(stderr, "\t-i\n");
- fprintf(stderr, "\t\tAdd a path to search for include files\n");
- fprintf(stderr, "\t-s\n");
- fprintf(stderr, "\t\tSort nodes and properties before outputting (only useful for\n\t\tcomparing trees)\n");
- fprintf(stderr, "\t-v\n");
- fprintf(stderr, "\t\tPrint DTC version and exit\n");
- fprintf(stderr, "\t-H <phandle format>\n");
- fprintf(stderr, "\t\tphandle formats are:\n");
- fprintf(stderr, "\t\t\tlegacy - \"linux,phandle\" properties only\n");
- fprintf(stderr, "\t\t\tepapr - \"phandle\" properties only\n");
- fprintf(stderr, "\t\t\tboth - Both \"linux,phandle\" and \"phandle\" properties\n");
- fprintf(stderr, "\t-W [no-]<checkname>\n");
- fprintf(stderr, "\t-E [no-]<checkname>\n");
- fprintf(stderr, "\t\t\tenable or disable warnings and errors\n");
- exit(3);
-}
+/* Usage related data. */
+static const char usage_synopsis[] = "dtc [options] <input file>";
+static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:fb:i:H:sW:E:hv";
+static struct option const usage_long_opts[] = {
+ {"quiet", no_argument, NULL, 'q'},
+ {"in-format", a_argument, NULL, 'I'},
+ {"out", a_argument, NULL, 'o'},
+ {"out-format", a_argument, NULL, 'O'},
+ {"out-version", a_argument, NULL, 'V'},
+ {"out-dependency", a_argument, NULL, 'd'},
+ {"reserve", a_argument, NULL, 'R'},
+ {"space", a_argument, NULL, 'S'},
+ {"pad", a_argument, NULL, 'p'},
+ {"boot-cpu", a_argument, NULL, 'b'},
+ {"force", no_argument, NULL, 'f'},
+ {"include", a_argument, NULL, 'i'},
+ {"sort", no_argument, NULL, 's'},
+ {"phandle", a_argument, NULL, 'H'},
+ {"warning", a_argument, NULL, 'W'},
+ {"error", a_argument, NULL, 'E'},
+ {"help", no_argument, NULL, 'h'},
+ {"version", no_argument, NULL, 'v'},
+ {NULL, no_argument, NULL, 0x0},
+};
+static const char * const usage_opts_help[] = {
+ "\n\tQuiet: -q suppress warnings, -qq errors, -qqq all",
+ "\n\tInput formats are:\n"
+ "\t\tdts - device tree source text\n"
+ "\t\tdtb - device tree blob\n"
+ "\t\tfs - /proc/device-tree style directory",
+ "\n\tOutput file",
+ "\n\tOutput formats are:\n"
+ "\t\tdts - device tree source text\n"
+ "\t\tdtb - device tree blob\n"
+ "\t\tasm - assembler source",
+ "\n\tBlob version to produce, defaults to %d (for dtb and asm output)", //, DEFAULT_FDT_VERSION);
+ "\n\tOutput dependency file",
+ "\n\ttMake space for <number> reserve map entries (for dtb and asm output)",
+ "\n\tMake the blob at least <bytes> long (extra space)",
+ "\n\tAdd padding to the blob of <bytes> long (extra space)",
+ "\n\tSet the physical boot cpu",
+ "\n\tTry to produce output even if the input tree has errors",
+ "\n\tAdd a path to search for include files",
+ "\n\tSort nodes and properties before outputting (useful for comparing trees)",
+ "\n\tValid phandle formats are:\n"
+ "\t\tlegacy - \"linux,phandle\" properties only\n"
+ "\t\tepapr - \"phandle\" properties only\n"
+ "\t\tboth - Both \"linux,phandle\" and \"phandle\" properties",
+ "\n\tEnable/disable warnings (prefix with \"no-\")",
+ "\n\tEnable/disable errors (prefix with \"no-\")",
+ "\n\tPrint this help and exit",
+ "\n\tPrint version and exit",
+ NULL,
+};
int main(int argc, char *argv[])
{
@@ -118,8 +121,7 @@ int main(int argc, char *argv[])
minsize = 0;
padsize = 0;
- while ((opt = getopt(argc, argv, "hI:O:o:V:d:R:S:p:fqb:i:vH:sW:E:"))
- != EOF) {
+ while ((opt = util_getopt_long()) != EOF) {
switch (opt) {
case 'I':
inform = optarg;
@@ -158,8 +160,7 @@ int main(int argc, char *argv[])
srcfile_add_search_path(optarg);
break;
case 'v':
- printf("Version: %s\n", DTC_VERSION);
- exit(0);
+ util_version();
case 'H':
if (streq(optarg, "legacy"))
phandle_format = PHANDLE_LEGACY;
@@ -185,13 +186,14 @@ int main(int argc, char *argv[])
break;
case 'h':
+ usage(NULL);
default:
- usage();
+ usage("unknown option");
}
}
if (argc > (optind+1))
- usage();
+ usage("missing files");
else if (argc < (optind+1))
arg = "-";
else
@@ -201,9 +203,6 @@ int main(int argc, char *argv[])
if (minsize && padsize)
die("Can't set both -p and -S\n");
- if (minsize)
- fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n");
-
if (depname) {
depfile = fopen(depname, "w");
if (!depfile)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 11:12:28 +0000