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-rw-r--r--tools/kconfig/conf.c921
1 files changed, 0 insertions, 921 deletions
diff --git a/tools/kconfig/conf.c b/tools/kconfig/conf.c
deleted file mode 100644
index 33d19e4..0000000
--- a/tools/kconfig/conf.c
+++ /dev/null
@@ -1,921 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
- */
-
-#include <ctype.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <sys/time.h>
-#include <errno.h>
-
-#include "lkc.h"
-
-static void conf(struct menu *menu);
-static void check_conf(struct menu *menu);
-
-enum input_mode {
- oldaskconfig,
- syncconfig,
- oldconfig,
- allnoconfig,
- allyesconfig,
- allmodconfig,
- alldefconfig,
- randconfig,
- defconfig,
- savedefconfig,
- listnewconfig,
- helpnewconfig,
- olddefconfig,
- yes2modconfig,
- mod2yesconfig,
- mod2noconfig,
-};
-static enum input_mode input_mode = oldaskconfig;
-static int input_mode_opt;
-static int indent = 1;
-static int tty_stdio;
-static int sync_kconfig;
-static int conf_cnt;
-static char line[PATH_MAX];
-static struct menu *rootEntry;
-
-static void print_help(struct menu *menu)
-{
- struct gstr help = str_new();
-
- menu_get_ext_help(menu, &help);
-
- printf("\n%s\n", str_get(&help));
- str_free(&help);
-}
-
-static void strip(char *str)
-{
- char *p = str;
- int l;
-
- while ((isspace(*p)))
- p++;
- l = strlen(p);
- if (p != str)
- memmove(str, p, l + 1);
- if (!l)
- return;
- p = str + l - 1;
- while ((isspace(*p)))
- *p-- = 0;
-}
-
-/* Helper function to facilitate fgets() by Jean Sacren. */
-static void xfgets(char *str, int size, FILE *in)
-{
- if (!fgets(str, size, in))
- fprintf(stderr, "\nError in reading or end of file.\n");
-
- if (!tty_stdio)
- printf("%s", str);
-}
-
-static void set_randconfig_seed(void)
-{
- unsigned int seed;
- char *env;
- bool seed_set = false;
-
- env = getenv("KCONFIG_SEED");
- if (env && *env) {
- char *endp;
-
- seed = strtol(env, &endp, 0);
- if (*endp == '\0')
- seed_set = true;
- }
-
- if (!seed_set) {
- struct timeval now;
-
- /*
- * Use microseconds derived seed, compensate for systems where it may
- * be zero.
- */
- gettimeofday(&now, NULL);
- seed = (now.tv_sec + 1) * (now.tv_usec + 1);
- }
-
- printf("KCONFIG_SEED=0x%X\n", seed);
- srand(seed);
-}
-
-static bool randomize_choice_values(struct symbol *csym)
-{
- struct property *prop;
- struct symbol *sym;
- struct expr *e;
- int cnt, def;
-
- /*
- * If choice is mod then we may have more items selected
- * and if no then no-one.
- * In both cases stop.
- */
- if (csym->curr.tri != yes)
- return false;
-
- prop = sym_get_choice_prop(csym);
-
- /* count entries in choice block */
- cnt = 0;
- expr_list_for_each_sym(prop->expr, e, sym)
- cnt++;
-
- /*
- * find a random value and set it to yes,
- * set the rest to no so we have only one set
- */
- def = rand() % cnt;
-
- cnt = 0;
- expr_list_for_each_sym(prop->expr, e, sym) {
- if (def == cnt++) {
- sym->def[S_DEF_USER].tri = yes;
- csym->def[S_DEF_USER].val = sym;
- } else {
- sym->def[S_DEF_USER].tri = no;
- }
- sym->flags |= SYMBOL_DEF_USER;
- /* clear VALID to get value calculated */
- sym->flags &= ~SYMBOL_VALID;
- }
- csym->flags |= SYMBOL_DEF_USER;
- /* clear VALID to get value calculated */
- csym->flags &= ~SYMBOL_VALID;
-
- return true;
-}
-
-enum conf_def_mode {
- def_default,
- def_yes,
- def_mod,
- def_no,
- def_random
-};
-
-static bool conf_set_all_new_symbols(enum conf_def_mode mode)
-{
- struct symbol *sym, *csym;
- int i, cnt;
- /*
- * can't go as the default in switch-case below, otherwise gcc whines
- * about -Wmaybe-uninitialized
- */
- int pby = 50; /* probability of bool = y */
- int pty = 33; /* probability of tristate = y */
- int ptm = 33; /* probability of tristate = m */
- bool has_changed = false;
-
- if (mode == def_random) {
- int n, p[3];
- char *env = getenv("KCONFIG_PROBABILITY");
-
- n = 0;
- while (env && *env) {
- char *endp;
- int tmp = strtol(env, &endp, 10);
-
- if (tmp >= 0 && tmp <= 100) {
- p[n++] = tmp;
- } else {
- errno = ERANGE;
- perror("KCONFIG_PROBABILITY");
- exit(1);
- }
- env = (*endp == ':') ? endp + 1 : endp;
- if (n >= 3)
- break;
- }
- switch (n) {
- case 1:
- pby = p[0];
- ptm = pby / 2;
- pty = pby - ptm;
- break;
- case 2:
- pty = p[0];
- ptm = p[1];
- pby = pty + ptm;
- break;
- case 3:
- pby = p[0];
- pty = p[1];
- ptm = p[2];
- break;
- }
-
- if (pty + ptm > 100) {
- errno = ERANGE;
- perror("KCONFIG_PROBABILITY");
- exit(1);
- }
- }
-
- for_all_symbols(i, sym) {
- if (sym_has_value(sym) || sym->flags & SYMBOL_VALID)
- continue;
- switch (sym_get_type(sym)) {
- case S_BOOLEAN:
- case S_TRISTATE:
- has_changed = true;
- switch (mode) {
- case def_yes:
- sym->def[S_DEF_USER].tri = yes;
- break;
- case def_mod:
- sym->def[S_DEF_USER].tri = mod;
- break;
- case def_no:
- sym->def[S_DEF_USER].tri = no;
- break;
- case def_random:
- sym->def[S_DEF_USER].tri = no;
- cnt = rand() % 100;
- if (sym->type == S_TRISTATE) {
- if (cnt < pty)
- sym->def[S_DEF_USER].tri = yes;
- else if (cnt < pty + ptm)
- sym->def[S_DEF_USER].tri = mod;
- } else if (cnt < pby)
- sym->def[S_DEF_USER].tri = yes;
- break;
- default:
- continue;
- }
- if (!(sym_is_choice(sym) && mode == def_random))
- sym->flags |= SYMBOL_DEF_USER;
- break;
- default:
- break;
- }
-
- }
-
- sym_clear_all_valid();
-
- /*
- * We have different type of choice blocks.
- * If curr.tri equals to mod then we can select several
- * choice symbols in one block.
- * In this case we do nothing.
- * If curr.tri equals yes then only one symbol can be
- * selected in a choice block and we set it to yes,
- * and the rest to no.
- */
- if (mode != def_random) {
- for_all_symbols(i, csym) {
- if ((sym_is_choice(csym) && !sym_has_value(csym)) ||
- sym_is_choice_value(csym))
- csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES;
- }
- }
-
- for_all_symbols(i, csym) {
- if (sym_has_value(csym) || !sym_is_choice(csym))
- continue;
-
- sym_calc_value(csym);
- if (mode == def_random)
- has_changed |= randomize_choice_values(csym);
- else {
- set_all_choice_values(csym);
- has_changed = true;
- }
- }
-
- return has_changed;
-}
-
-static void conf_rewrite_tristates(tristate old_val, tristate new_val)
-{
- struct symbol *sym;
- int i;
-
- for_all_symbols(i, sym) {
- if (sym_get_type(sym) == S_TRISTATE &&
- sym->def[S_DEF_USER].tri == old_val)
- sym->def[S_DEF_USER].tri = new_val;
- }
- sym_clear_all_valid();
-}
-
-static int conf_askvalue(struct symbol *sym, const char *def)
-{
- if (!sym_has_value(sym))
- printf("(NEW) ");
-
- line[0] = '\n';
- line[1] = 0;
-
- if (!sym_is_changeable(sym)) {
- printf("%s\n", def);
- line[0] = '\n';
- line[1] = 0;
- return 0;
- }
-
- switch (input_mode) {
- case oldconfig:
- case syncconfig:
- if (sym_has_value(sym)) {
- printf("%s\n", def);
- return 0;
- }
- /* fall through */
- default:
- fflush(stdout);
- xfgets(line, sizeof(line), stdin);
- break;
- }
-
- return 1;
-}
-
-static int conf_string(struct menu *menu)
-{
- struct symbol *sym = menu->sym;
- const char *def;
-
- while (1) {
- printf("%*s%s ", indent - 1, "", menu->prompt->text);
- printf("(%s) ", sym->name);
- def = sym_get_string_value(sym);
- if (def)
- printf("[%s] ", def);
- if (!conf_askvalue(sym, def))
- return 0;
- switch (line[0]) {
- case '\n':
- break;
- case '?':
- /* print help */
- if (line[1] == '\n') {
- print_help(menu);
- def = NULL;
- break;
- }
- /* fall through */
- default:
- line[strlen(line)-1] = 0;
- def = line;
- }
- if (def && sym_set_string_value(sym, def))
- return 0;
- }
-}
-
-static int conf_sym(struct menu *menu)
-{
- struct symbol *sym = menu->sym;
- tristate oldval, newval;
-
- while (1) {
- printf("%*s%s ", indent - 1, "", menu->prompt->text);
- if (sym->name)
- printf("(%s) ", sym->name);
- putchar('[');
- oldval = sym_get_tristate_value(sym);
- switch (oldval) {
- case no:
- putchar('N');
- break;
- case mod:
- putchar('M');
- break;
- case yes:
- putchar('Y');
- break;
- }
- if (oldval != no && sym_tristate_within_range(sym, no))
- printf("/n");
- if (oldval != mod && sym_tristate_within_range(sym, mod))
- printf("/m");
- if (oldval != yes && sym_tristate_within_range(sym, yes))
- printf("/y");
- printf("/?] ");
- if (!conf_askvalue(sym, sym_get_string_value(sym)))
- return 0;
- strip(line);
-
- switch (line[0]) {
- case 'n':
- case 'N':
- newval = no;
- if (!line[1] || !strcmp(&line[1], "o"))
- break;
- continue;
- case 'm':
- case 'M':
- newval = mod;
- if (!line[1])
- break;
- continue;
- case 'y':
- case 'Y':
- newval = yes;
- if (!line[1] || !strcmp(&line[1], "es"))
- break;
- continue;
- case 0:
- newval = oldval;
- break;
- case '?':
- goto help;
- default:
- continue;
- }
- if (sym_set_tristate_value(sym, newval))
- return 0;
-help:
- print_help(menu);
- }
-}
-
-static int conf_choice(struct menu *menu)
-{
- struct symbol *sym, *def_sym;
- struct menu *child;
- bool is_new;
-
- sym = menu->sym;
- is_new = !sym_has_value(sym);
- if (sym_is_changeable(sym)) {
- conf_sym(menu);
- sym_calc_value(sym);
- switch (sym_get_tristate_value(sym)) {
- case no:
- return 1;
- case mod:
- return 0;
- case yes:
- break;
- }
- } else {
- switch (sym_get_tristate_value(sym)) {
- case no:
- return 1;
- case mod:
- printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
- return 0;
- case yes:
- break;
- }
- }
-
- while (1) {
- int cnt, def;
-
- printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
- def_sym = sym_get_choice_value(sym);
- cnt = def = 0;
- line[0] = 0;
- for (child = menu->list; child; child = child->next) {
- if (!menu_is_visible(child))
- continue;
- if (!child->sym) {
- printf("%*c %s\n", indent, '*', menu_get_prompt(child));
- continue;
- }
- cnt++;
- if (child->sym == def_sym) {
- def = cnt;
- printf("%*c", indent, '>');
- } else
- printf("%*c", indent, ' ');
- printf(" %d. %s", cnt, menu_get_prompt(child));
- if (child->sym->name)
- printf(" (%s)", child->sym->name);
- if (!sym_has_value(child->sym))
- printf(" (NEW)");
- printf("\n");
- }
- printf("%*schoice", indent - 1, "");
- if (cnt == 1) {
- printf("[1]: 1\n");
- goto conf_childs;
- }
- printf("[1-%d?]: ", cnt);
- switch (input_mode) {
- case oldconfig:
- case syncconfig:
- if (!is_new) {
- cnt = def;
- printf("%d\n", cnt);
- break;
- }
- /* fall through */
- case oldaskconfig:
- fflush(stdout);
- xfgets(line, sizeof(line), stdin);
- strip(line);
- if (line[0] == '?') {
- print_help(menu);
- continue;
- }
- if (!line[0])
- cnt = def;
- else if (isdigit(line[0]))
- cnt = atoi(line);
- else
- continue;
- break;
- default:
- break;
- }
-
- conf_childs:
- for (child = menu->list; child; child = child->next) {
- if (!child->sym || !menu_is_visible(child))
- continue;
- if (!--cnt)
- break;
- }
- if (!child)
- continue;
- if (line[0] && line[strlen(line) - 1] == '?') {
- print_help(child);
- continue;
- }
- sym_set_tristate_value(child->sym, yes);
- for (child = child->list; child; child = child->next) {
- indent += 2;
- conf(child);
- indent -= 2;
- }
- return 1;
- }
-}
-
-static void conf(struct menu *menu)
-{
- struct symbol *sym;
- struct property *prop;
- struct menu *child;
-
- if (!menu_is_visible(menu))
- return;
-
- sym = menu->sym;
- prop = menu->prompt;
- if (prop) {
- const char *prompt;
-
- switch (prop->type) {
- case P_MENU:
- /*
- * Except in oldaskconfig mode, we show only menus that
- * contain new symbols.
- */
- if (input_mode != oldaskconfig && rootEntry != menu) {
- check_conf(menu);
- return;
- }
- /* fall through */
- case P_COMMENT:
- prompt = menu_get_prompt(menu);
- if (prompt)
- printf("%*c\n%*c %s\n%*c\n",
- indent, '*',
- indent, '*', prompt,
- indent, '*');
- default:
- ;
- }
- }
-
- if (!sym)
- goto conf_childs;
-
- if (sym_is_choice(sym)) {
- conf_choice(menu);
- if (sym->curr.tri != mod)
- return;
- goto conf_childs;
- }
-
- switch (sym->type) {
- case S_INT:
- case S_HEX:
- case S_STRING:
- conf_string(menu);
- break;
- default:
- conf_sym(menu);
- break;
- }
-
-conf_childs:
- if (sym)
- indent += 2;
- for (child = menu->list; child; child = child->next)
- conf(child);
- if (sym)
- indent -= 2;
-}
-
-static void check_conf(struct menu *menu)
-{
- struct symbol *sym;
- struct menu *child;
-
- if (!menu_is_visible(menu))
- return;
-
- sym = menu->sym;
- if (sym && !sym_has_value(sym) &&
- (sym_is_changeable(sym) ||
- (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes))) {
-
- switch (input_mode) {
- case listnewconfig:
- if (sym->name)
- print_symbol_for_listconfig(sym);
- break;
- case helpnewconfig:
- printf("-----\n");
- print_help(menu);
- printf("-----\n");
- break;
- default:
- if (!conf_cnt++)
- printf("*\n* Restart config...\n*\n");
- rootEntry = menu_get_parent_menu(menu);
- conf(rootEntry);
- break;
- }
- }
-
- for (child = menu->list; child; child = child->next)
- check_conf(child);
-}
-
-static const struct option long_opts[] = {
- {"help", no_argument, NULL, 'h'},
- {"silent", no_argument, NULL, 's'},
- {"oldaskconfig", no_argument, &input_mode_opt, oldaskconfig},
- {"oldconfig", no_argument, &input_mode_opt, oldconfig},
- {"syncconfig", no_argument, &input_mode_opt, syncconfig},
- {"defconfig", required_argument, &input_mode_opt, defconfig},
- {"savedefconfig", required_argument, &input_mode_opt, savedefconfig},
- {"allnoconfig", no_argument, &input_mode_opt, allnoconfig},
- {"allyesconfig", no_argument, &input_mode_opt, allyesconfig},
- {"allmodconfig", no_argument, &input_mode_opt, allmodconfig},
- {"alldefconfig", no_argument, &input_mode_opt, alldefconfig},
- {"randconfig", no_argument, &input_mode_opt, randconfig},
- {"listnewconfig", no_argument, &input_mode_opt, listnewconfig},
- {"helpnewconfig", no_argument, &input_mode_opt, helpnewconfig},
- {"olddefconfig", no_argument, &input_mode_opt, olddefconfig},
- {"yes2modconfig", no_argument, &input_mode_opt, yes2modconfig},
- {"mod2yesconfig", no_argument, &input_mode_opt, mod2yesconfig},
- {"mod2noconfig", no_argument, &input_mode_opt, mod2noconfig},
- {NULL, 0, NULL, 0}
-};
-
-static void conf_usage(const char *progname)
-{
- printf("Usage: %s [options] <kconfig-file>\n", progname);
- printf("\n");
- printf("Generic options:\n");
- printf(" -h, --help Print this message and exit.\n");
- printf(" -s, --silent Do not print log.\n");
- printf("\n");
- printf("Mode options:\n");
- printf(" --listnewconfig List new options\n");
- printf(" --helpnewconfig List new options and help text\n");
- printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
- printf(" --oldconfig Update a configuration using a provided .config as base\n");
- printf(" --syncconfig Similar to oldconfig but generates configuration in\n"
- " include/{generated/,config/}\n");
- printf(" --olddefconfig Same as oldconfig but sets new symbols to their default value\n");
- printf(" --defconfig <file> New config with default defined in <file>\n");
- printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
- printf(" --allnoconfig New config where all options are answered with no\n");
- printf(" --allyesconfig New config where all options are answered with yes\n");
- printf(" --allmodconfig New config where all options are answered with mod\n");
- printf(" --alldefconfig New config with all symbols set to default\n");
- printf(" --randconfig New config with random answer to all options\n");
- printf(" --yes2modconfig Change answers from yes to mod if possible\n");
- printf(" --mod2yesconfig Change answers from mod to yes if possible\n");
- printf(" --mod2noconfig Change answers from mod to no if possible\n");
- printf(" (If none of the above is given, --oldaskconfig is the default)\n");
-}
-
-int main(int ac, char **av)
-{
- const char *progname = av[0];
- int opt;
- const char *name, *defconfig_file = NULL /* gcc uninit */;
- int no_conf_write = 0;
-
- tty_stdio = isatty(0) && isatty(1);
-
- while ((opt = getopt_long(ac, av, "hs", long_opts, NULL)) != -1) {
- switch (opt) {
- case 'h':
- conf_usage(progname);
- exit(1);
- break;
- case 's':
- conf_set_message_callback(NULL);
- break;
- case 0:
- input_mode = input_mode_opt;
- switch (input_mode) {
- case syncconfig:
- /*
- * syncconfig is invoked during the build stage.
- * Suppress distracting
- * "configuration written to ..."
- */
- conf_set_message_callback(NULL);
- sync_kconfig = 1;
- break;
- case defconfig:
- case savedefconfig:
- defconfig_file = optarg;
- break;
- case randconfig:
- set_randconfig_seed();
- break;
- default:
- break;
- }
- default:
- break;
- }
- }
- if (ac == optind) {
- fprintf(stderr, "%s: Kconfig file missing\n", av[0]);
- conf_usage(progname);
- exit(1);
- }
- conf_parse(av[optind]);
- //zconfdump(stdout);
-
- switch (input_mode) {
- case defconfig:
- if (conf_read(defconfig_file)) {
- fprintf(stderr,
- "***\n"
- "*** Can't find default configuration \"%s\"!\n"
- "***\n",
- defconfig_file);
- exit(1);
- }
- break;
- case savedefconfig:
- case syncconfig:
- case oldaskconfig:
- case oldconfig:
- case listnewconfig:
- case helpnewconfig:
- case olddefconfig:
- case yes2modconfig:
- case mod2yesconfig:
- case mod2noconfig:
- conf_read(NULL);
- break;
- case allnoconfig:
- case allyesconfig:
- case allmodconfig:
- case alldefconfig:
- case randconfig:
- name = getenv("KCONFIG_ALLCONFIG");
- if (!name)
- break;
- if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
- if (conf_read_simple(name, S_DEF_USER)) {
- fprintf(stderr,
- "*** Can't read seed configuration \"%s\"!\n",
- name);
- exit(1);
- }
- break;
- }
- switch (input_mode) {
- case allnoconfig: name = "allno.config"; break;
- case allyesconfig: name = "allyes.config"; break;
- case allmodconfig: name = "allmod.config"; break;
- case alldefconfig: name = "alldef.config"; break;
- case randconfig: name = "allrandom.config"; break;
- default: break;
- }
- if (conf_read_simple(name, S_DEF_USER) &&
- conf_read_simple("all.config", S_DEF_USER)) {
- fprintf(stderr,
- "*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n",
- name);
- exit(1);
- }
- break;
- default:
- break;
- }
-
- if (sync_kconfig) {
- name = getenv("KCONFIG_NOSILENTUPDATE");
- if (name && *name) {
- if (conf_get_changed()) {
- fprintf(stderr,
- "\n*** The configuration requires explicit update.\n\n");
- return 1;
- }
- no_conf_write = 1;
- }
- }
-
- switch (input_mode) {
- case allnoconfig:
- conf_set_all_new_symbols(def_no);
- break;
- case allyesconfig:
- conf_set_all_new_symbols(def_yes);
- break;
- case allmodconfig:
- conf_set_all_new_symbols(def_mod);
- break;
- case alldefconfig:
- conf_set_all_new_symbols(def_default);
- break;
- case randconfig:
- /* Really nothing to do in this loop */
- while (conf_set_all_new_symbols(def_random)) ;
- break;
- case defconfig:
- conf_set_all_new_symbols(def_default);
- break;
- case savedefconfig:
- break;
- case yes2modconfig:
- conf_rewrite_tristates(yes, mod);
- break;
- case mod2yesconfig:
- conf_rewrite_tristates(mod, yes);
- break;
- case mod2noconfig:
- conf_rewrite_tristates(mod, no);
- break;
- case oldaskconfig:
- rootEntry = &rootmenu;
- conf(&rootmenu);
- input_mode = oldconfig;
- /* fall through */
- case oldconfig:
- case listnewconfig:
- case helpnewconfig:
- case syncconfig:
- /* Update until a loop caused no more changes */
- do {
- conf_cnt = 0;
- check_conf(&rootmenu);
- } while (conf_cnt);
- break;
- case olddefconfig:
- default:
- break;
- }
-
- if (input_mode == savedefconfig) {
- if (conf_write_defconfig(defconfig_file)) {
- fprintf(stderr, "n*** Error while saving defconfig to: %s\n\n",
- defconfig_file);
- return 1;
- }
- } else if (input_mode != listnewconfig && input_mode != helpnewconfig) {
- if (!no_conf_write && conf_write(NULL)) {
- fprintf(stderr, "\n*** Error during writing of the configuration.\n\n");
- exit(1);
- }
-
- /*
- * Create auto.conf if it does not exist.
- * This prevents GNU Make 4.1 or older from emitting
- * "include/config/auto.conf: No such file or directory"
- * in the top-level Makefile
- *
- * syncconfig always creates or updates auto.conf because it is
- * used during the build.
- */
- if (conf_write_autoconf(sync_kconfig) && sync_kconfig) {
- fprintf(stderr,
- "\n*** Error during sync of the configuration.\n\n");
- return 1;
- }
- }
- return 0;
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-09-19 10:05:42 +0000