add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/scripts/kconfig/conf.c
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@@ -1,6 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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- * Released under the terms of the GNU GPL v2.0.
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  */
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 #include <ctype.h>
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@@ -32,7 +32,10 @@
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 	defconfig,
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 	savedefconfig,
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 	listnewconfig,
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+	helpnewconfig,
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 	olddefconfig,
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+	yes2modconfig,
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+	mod2yesconfig,
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 };
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 static enum input_mode input_mode = oldaskconfig;
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@@ -90,7 +93,7 @@
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 	line[0] = '\n';
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 	line[1] = 0;
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-	if (!sym_is_changable(sym)) {
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+	if (!sym_is_changeable(sym)) {
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 		printf("%s\n", def);
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 		line[0] = '\n';
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 		line[1] = 0;
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@@ -234,7 +237,7 @@
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 	sym = menu->sym;
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 	is_new = !sym_has_value(sym);
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-	if (sym_is_changable(sym)) {
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+	if (sym_is_changeable(sym)) {
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 		conf_sym(menu);
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 		sym_calc_value(sym);
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 		switch (sym_get_tristate_value(sym)) {
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@@ -418,7 +421,7 @@
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 	sym = menu->sym;
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 	if (sym && !sym_has_value(sym)) {
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-		if (sym_is_changable(sym) ||
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+		if (sym_is_changeable(sym) ||
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 		    (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
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 			if (input_mode == listnewconfig) {
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 				if (sym->name) {
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@@ -434,6 +437,11 @@
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 						printf("%s%s=%s\n", CONFIG_, sym->name, str);
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 					}
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 				}
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+			} else if (input_mode == helpnewconfig) {
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+				printf("-----\n");
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+				print_help(menu);
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+				printf("-----\n");
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+
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 			} else {
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 				if (!conf_cnt++)
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 					printf("*\n* Restart config...\n*\n");
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@@ -451,7 +459,7 @@
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 	{"oldaskconfig",    no_argument,       NULL, oldaskconfig},
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 	{"oldconfig",       no_argument,       NULL, oldconfig},
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 	{"syncconfig",      no_argument,       NULL, syncconfig},
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-	{"defconfig",       optional_argument, NULL, defconfig},
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+	{"defconfig",       required_argument, NULL, defconfig},
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 	{"savedefconfig",   required_argument, NULL, savedefconfig},
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 	{"allnoconfig",     no_argument,       NULL, allnoconfig},
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 	{"allyesconfig",    no_argument,       NULL, allyesconfig},
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@@ -459,13 +467,10 @@
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 	{"alldefconfig",    no_argument,       NULL, alldefconfig},
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 	{"randconfig",      no_argument,       NULL, randconfig},
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 	{"listnewconfig",   no_argument,       NULL, listnewconfig},
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+	{"helpnewconfig",   no_argument,       NULL, helpnewconfig},
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 	{"olddefconfig",    no_argument,       NULL, olddefconfig},
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-	/*
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-	 * oldnoconfig is an alias of olddefconfig, because people already
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-	 * are dependent on its behavior(sets new symbols to their default
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-	 * value but not 'n') with the counter-intuitive name.
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-	 */
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-	{"oldnoconfig",     no_argument,       NULL, olddefconfig},
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+	{"yes2modconfig",   no_argument,       NULL, yes2modconfig},
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+	{"mod2yesconfig",   no_argument,       NULL, mod2yesconfig},
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 	{NULL, 0, NULL, 0}
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 };
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@@ -475,12 +480,12 @@
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 	printf("Usage: %s [-s] [option] <kconfig-file>\n", progname);
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 	printf("[option] is _one_ of the following:\n");
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 	printf("  --listnewconfig         List new options\n");
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+	printf("  --helpnewconfig         List new options and help text\n");
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 	printf("  --oldaskconfig          Start a new configuration using a line-oriented program\n");
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 	printf("  --oldconfig             Update a configuration using a provided .config as base\n");
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 	printf("  --syncconfig            Similar to oldconfig but generates configuration in\n"
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 	       "                          include/{generated/,config/}\n");
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 	printf("  --olddefconfig          Same as oldconfig but sets new symbols to their default value\n");
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-	printf("  --oldnoconfig           An alias of olddefconfig\n");
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 	printf("  --defconfig <file>      New config with default defined in <file>\n");
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 	printf("  --savedefconfig <file>  Save the minimal current configuration to <file>\n");
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 	printf("  --allnoconfig           New config where all options are answered with no\n");
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@@ -488,6 +493,8 @@
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 	printf("  --allmodconfig          New config where all options are answered with mod\n");
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 	printf("  --alldefconfig          New config with all symbols set to default\n");
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 	printf("  --randconfig            New config with random answer to all options\n");
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+	printf("  --yes2modconfig         Change answers from yes to mod if possible\n");
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+	printf("  --mod2yesconfig         Change answers from mod to yes if possible\n");
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 }
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 int main(int ac, char **av)
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@@ -495,7 +502,6 @@
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 	const char *progname = av[0];
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 	int opt;
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 	const char *name, *defconfig_file = NULL /* gcc uninit */;
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-	struct stat tmpstat;
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 	int no_conf_write = 0;
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 	tty_stdio = isatty(0) && isatty(1);
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@@ -551,7 +557,10 @@
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 		case allmodconfig:
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 		case alldefconfig:
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 		case listnewconfig:
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+		case helpnewconfig:
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 		case olddefconfig:
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+		case yes2modconfig:
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+		case mod2yesconfig:
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 			break;
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 		case '?':
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 			conf_usage(progname);
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@@ -567,23 +576,9 @@
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 	name = av[optind];
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 	conf_parse(name);
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 	//zconfdump(stdout);
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-	if (sync_kconfig) {
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-		name = conf_get_configname();
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-		if (stat(name, &tmpstat)) {
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-			fprintf(stderr, "***\n"
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-				"*** Configuration file \"%s\" not found!\n"
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-				"***\n"
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-				"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
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-				"*** \"make menuconfig\" or \"make xconfig\").\n"
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-				"***\n", name);
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-			exit(1);
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-		}
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-	}
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 	switch (input_mode) {
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 	case defconfig:
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-		if (!defconfig_file)
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-			defconfig_file = conf_get_default_confname();
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 		if (conf_read(defconfig_file)) {
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 			fprintf(stderr,
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 				"***\n"
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@@ -598,7 +593,10 @@
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 	case oldaskconfig:
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 	case oldconfig:
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 	case listnewconfig:
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+	case helpnewconfig:
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 	case olddefconfig:
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+	case yes2modconfig:
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+	case mod2yesconfig:
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 		conf_read(NULL);
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 		break;
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 	case allnoconfig:
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@@ -672,6 +670,12 @@
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 		break;
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 	case savedefconfig:
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 		break;
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+	case yes2modconfig:
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+		conf_rewrite_mod_or_yes(def_y2m);
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+		break;
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+	case mod2yesconfig:
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+		conf_rewrite_mod_or_yes(def_m2y);
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+		break;
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 	case oldaskconfig:
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 		rootEntry = &rootmenu;
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 		conf(&rootmenu);
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@@ -679,6 +683,7 @@
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 		/* fall through */
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 	case oldconfig:
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 	case listnewconfig:
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+	case helpnewconfig:
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 	case syncconfig:
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 		/* Update until a loop caused no more changes */
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 		do {
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@@ -697,7 +702,7 @@
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 				defconfig_file);
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 			return 1;
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 		}
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-	} else if (input_mode != listnewconfig) {
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+	} else if (input_mode != listnewconfig && input_mode != helpnewconfig) {
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 		if (!no_conf_write && conf_write(NULL)) {
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 			fprintf(stderr, "\n*** Error during writing of the configuration.\n\n");
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 			exit(1);