diff options
author | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2015-06-11 14:57:36 -0700 |
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committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2015-06-30 18:55:32 +0200 |
commit | ed56499ab145dc3dec1ee65693fe4b5d2f4a973f (patch) | |
tree | 84029598955d7ccb68ef365a7b0ccbda0d516567 /payloads/libpayload/util/kconfig/confdata.c | |
parent | 1b4d39428eac80bc76713b1f21a2c85e8900c1b8 (diff) |
libpayload: Drop duplicate copy of Kconfig
It's perfectly fine to have one single copy of kconfig in the tree.
Change-Id: Icfe32f0249dfc1c223009d6e7136462f8f8a7248
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10521
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'payloads/libpayload/util/kconfig/confdata.c')
-rw-r--r-- | payloads/libpayload/util/kconfig/confdata.c | 826 |
1 files changed, 0 insertions, 826 deletions
diff --git a/payloads/libpayload/util/kconfig/confdata.c b/payloads/libpayload/util/kconfig/confdata.c deleted file mode 100644 index a28b930ff0..0000000000 --- a/payloads/libpayload/util/kconfig/confdata.c +++ /dev/null @@ -1,826 +0,0 @@ -/* - * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> - * Released under the terms of the GNU GPL v2.0. - */ - -#include <sys/stat.h> -#include <ctype.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <unistd.h> - -#define LKC_DIRECT_LINK -#include "lkc.h" - -#ifdef WIN32 -#define mkdir(x,y) mkdir(x) -#define UNLINK_IF_NECESSARY(x) unlink(x) -#else -#define UNLINK_IF_NECESSARY(X) -#endif - -static void conf_warning(const char *fmt, ...) - __attribute__ ((format (printf, 1, 2))); - -static const char *conf_filename; -static int conf_lineno, conf_warnings, conf_unsaved; - -const char conf_defname[] = "arch/$ARCH/defconfig"; - -static void conf_warning(const char *fmt, ...) -{ - va_list ap; - va_start(ap, fmt); - fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno); - vfprintf(stderr, fmt, ap); - fprintf(stderr, "\n"); - va_end(ap); - conf_warnings++; -} - -const char *conf_get_configname(void) -{ - char *name = getenv("KCONFIG_CONFIG"); - - return name ? name : ".config"; -} - -static char *conf_expand_value(const char *in) -{ - struct symbol *sym; - const char *src; - static char res_value[SYMBOL_MAXLENGTH]; - char *dst, name[SYMBOL_MAXLENGTH]; - - res_value[0] = 0; - dst = name; - while ((src = strchr(in, '$'))) { - strncat(res_value, in, src - in); - src++; - dst = name; - while (isalnum(*src) || *src == '_') - *dst++ = *src++; - *dst = 0; - sym = sym_lookup(name, 0); - sym_calc_value(sym); - strcat(res_value, sym_get_string_value(sym)); - in = src; - } - strcat(res_value, in); - - return res_value; -} - -char *conf_get_default_confname(void) -{ - struct stat buf; - static char fullname[PATH_MAX+1]; - char *env, *name; - - name = conf_expand_value(conf_defname); - env = getenv(SRCTREE); - if (env) { - sprintf(fullname, "%s/%s", env, name); - if (!stat(fullname, &buf)) - return fullname; - } - return name; -} - -static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p) -{ - char *p2; - - switch (sym->type) { - case S_TRISTATE: - if (p[0] == 'm') { - sym->def[def].tri = mod; - sym->flags |= def_flags; - break; - } - case S_BOOLEAN: - if (p[0] == 'y') { - sym->def[def].tri = yes; - sym->flags |= def_flags; - break; - } - if (p[0] == 'n') { - sym->def[def].tri = no; - sym->flags |= def_flags; - break; - } - conf_warning("symbol value '%s' invalid for %s", p, sym->name); - break; - case S_OTHER: - if (*p != '"') { - for (p2 = p; *p2 && !isspace(*p2); p2++) - ; - sym->type = S_STRING; - goto done; - } - case S_STRING: - if (*p++ != '"') - break; - for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) { - if (*p2 == '"') { - *p2 = 0; - break; - } - memmove(p2, p2 + 1, strlen(p2)); - } - if (!p2) { - conf_warning("invalid string found"); - return 1; - } - case S_INT: - case S_HEX: - done: - if (sym_string_valid(sym, p)) { - sym->def[def].val = strdup(p); - sym->flags |= def_flags; - } else { - conf_warning("symbol value '%s' invalid for %s", p, sym->name); - return 1; - } - break; - default: - ; - } - return 0; -} - -int conf_read_simple(const char *name, int def) -{ - FILE *in = NULL; - char line[1024]; - char *p, *p2; - struct symbol *sym; - int i, def_flags; - - if (name) { - in = zconf_fopen(name); - } else { - struct property *prop; - - name = conf_get_configname(); - in = zconf_fopen(name); - if (in) - goto load; - sym_add_change_count(1); - if (!sym_defconfig_list) - return 1; - - for_all_defaults(sym_defconfig_list, prop) { - if (expr_calc_value(prop->visible.expr) == no || - prop->expr->type != E_SYMBOL) - continue; - name = conf_expand_value(prop->expr->left.sym->name); - in = zconf_fopen(name); - if (in) { - printf(_("#\n" - "# using defaults found in %s\n" - "#\n"), name); - goto load; - } - } - } - if (!in) - return 1; - -load: - conf_filename = name; - conf_lineno = 0; - conf_warnings = 0; - conf_unsaved = 0; - - def_flags = SYMBOL_DEF << def; - for_all_symbols(i, sym) { - sym->flags |= SYMBOL_CHANGED; - sym->flags &= ~(def_flags|SYMBOL_VALID); - if (sym_is_choice(sym)) - sym->flags |= def_flags; - switch (sym->type) { - case S_INT: - case S_HEX: - case S_STRING: - if (sym->def[def].val) - free(sym->def[def].val); - default: - sym->def[def].val = NULL; - sym->def[def].tri = no; - } - } - - while (fgets(line, sizeof(line), in)) { - conf_lineno++; - sym = NULL; - switch (line[0]) { - case '#': - if (memcmp(line + 2, "CONFIG_LP_", 10)) - continue; - p = strchr(line + 12, ' '); - if (!p) - continue; - *p++ = 0; - if (strncmp(p, "is not set", 10)) - continue; - if (def == S_DEF_USER) { - sym = sym_find(line + 12); - if (!sym) { - conf_warning("trying to assign nonexistent symbol %s", line + 12); - break; - } - } else { - sym = sym_lookup(line + 12, 0); - if (sym->type == S_UNKNOWN) - sym->type = S_BOOLEAN; - } - if (sym->flags & def_flags) { - conf_warning("override: reassigning to symbol %s", sym->name); - } - switch (sym->type) { - case S_BOOLEAN: - case S_TRISTATE: - sym->def[def].tri = no; - sym->flags |= def_flags; - break; - default: - ; - } - break; - case 'C': - if (memcmp(line, "CONFIG_LP_", 10)) { - conf_warning("unexpected data"); - continue; - } - p = strchr(line + 10, '='); - if (!p) - continue; - *p++ = 0; - p2 = strchr(p, '\n'); - if (p2) { - *p2-- = 0; - if (*p2 == '\r') - *p2 = 0; - } - if (def == S_DEF_USER) { - sym = sym_find(line + 10); - if (!sym) { - conf_warning("trying to assign nonexistent symbol %s", line + 10); - break; - } - } else { - sym = sym_lookup(line + 10, 0); - if (sym->type == S_UNKNOWN) - sym->type = S_OTHER; - } - if (sym->flags & def_flags) { - conf_warning("override: reassigning to symbol %s", sym->name); - } - if (conf_set_sym_val(sym, def, def_flags, p)) - continue; - break; - case '\r': - case '\n': - break; - default: - conf_warning("unexpected data"); - continue; - } - if (sym && sym_is_choice_value(sym)) { - struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); - switch (sym->def[def].tri) { - case no: - break; - case mod: - if (cs->def[def].tri == yes) { - conf_warning("%s creates inconsistent choice state", sym->name); - cs->flags &= ~def_flags; - } - break; - case yes: - if (cs->def[def].tri != no) - conf_warning("override: %s changes choice state", sym->name); - cs->def[def].val = sym; - break; - } - cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri); - } - } - fclose(in); - - if (modules_sym) - sym_calc_value(modules_sym); - return 0; -} - -int conf_read(const char *name) -{ - struct symbol *sym, *choice_sym; - struct property *prop; - struct expr *e; - int i, flags; - - sym_set_change_count(0); - - if (conf_read_simple(name, S_DEF_USER)) - return 1; - - for_all_symbols(i, sym) { - sym_calc_value(sym); - if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO)) - goto sym_ok; - if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) { - /* check that calculated value agrees with saved value */ - switch (sym->type) { - case S_BOOLEAN: - case S_TRISTATE: - if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym)) - break; - if (!sym_is_choice(sym)) - goto sym_ok; - default: - if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val)) - goto sym_ok; - break; - } - } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE)) - /* no previous value and not saved */ - goto sym_ok; - conf_unsaved++; - /* maybe print value in verbose mode... */ - sym_ok: - if (!sym_is_choice(sym)) - continue; - /* The choice symbol only has a set value (and thus is not new) - * if all its visible childs have values. - */ - prop = sym_get_choice_prop(sym); - flags = sym->flags; - expr_list_for_each_sym(prop->expr, e, choice_sym) - if (choice_sym->visible != no) - flags &= choice_sym->flags; - sym->flags &= flags | ~SYMBOL_DEF_USER; - } - - for_all_symbols(i, sym) { - if (sym_has_value(sym) && !sym_is_choice_value(sym)) { - /* Reset values of generates values, so they'll appear - * as new, if they should become visible, but that - * doesn't quite work if the Kconfig and the saved - * configuration disagree. - */ - if (sym->visible == no && !conf_unsaved) - sym->flags &= ~SYMBOL_DEF_USER; - switch (sym->type) { - case S_STRING: - case S_INT: - case S_HEX: - /* Reset a string value if it's out of range */ - if (sym_string_within_range(sym, sym->def[S_DEF_USER].val)) - break; - sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER); - conf_unsaved++; - break; - default: - break; - } - } - } - - sym_add_change_count(conf_warnings || conf_unsaved); - - return 0; -} - -int conf_write(const char *name) -{ - FILE *out; - struct symbol *sym; - struct menu *menu; - const char *basename; - char dirname[128], tmpname[128], newname[128]; - int type, l; - const char *str; - time_t now; - int use_timestamp = 1; - char *env; - - dirname[0] = 0; - if (name && name[0]) { - struct stat st; - char *slash; - - if (!stat(name, &st) && S_ISDIR(st.st_mode)) { - strcpy(dirname, name); - strcat(dirname, "/"); - basename = conf_get_configname(); - } else if ((slash = strrchr(name, '/'))) { - int size = slash - name + 1; - memcpy(dirname, name, size); - dirname[size] = 0; - if (slash[1]) - basename = slash + 1; - else - basename = conf_get_configname(); - } else - basename = name; - } else - basename = conf_get_configname(); - - sprintf(newname, "%s%s", dirname, basename); - env = getenv("KCONFIG_OVERWRITECONFIG"); - if (!env || !*env) { - sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid()); - out = fopen(tmpname, "w"); - } else { - *tmpname = 0; - out = fopen(newname, "w"); - } - if (!out) - return 1; - - sym = sym_lookup("KERNELVERSION", 0); - sym_calc_value(sym); - time(&now); - env = getenv("KCONFIG_NOTIMESTAMP"); - if (env && *env) - use_timestamp = 0; - - fprintf(out, _("#\n" - "# Automatically generated make config: don't edit\n" - "# libpayload version: %s\n" - "%s%s" - "#\n"), - getenv("KERNELVERSION")?getenv("KERNELVERSION"):"", - use_timestamp ? "# " : "", - use_timestamp ? ctime(&now) : ""); - - if (!conf_get_changed()) - sym_clear_all_valid(); - - menu = rootmenu.list; - while (menu) { - sym = menu->sym; - if (!sym) { - if (!menu_is_visible(menu)) - goto next; - str = menu_get_prompt(menu); - fprintf(out, "\n" - "#\n" - "# %s\n" - "#\n", str); - } else if (!(sym->flags & SYMBOL_CHOICE)) { - sym_calc_value(sym); - if (!(sym->flags & SYMBOL_WRITE)) - goto next; - sym->flags &= ~SYMBOL_WRITE; - type = sym->type; - if (type == S_TRISTATE) { - sym_calc_value(modules_sym); - if (modules_sym->curr.tri == no) - type = S_BOOLEAN; - } - switch (type) { - case S_BOOLEAN: - case S_TRISTATE: - switch (sym_get_tristate_value(sym)) { - case no: - fprintf(out, "# CONFIG_LP_%s is not set\n", sym->name); - break; - case mod: - fprintf(out, "CONFIG_LP_%s=m\n", sym->name); - break; - case yes: - fprintf(out, "CONFIG_LP_%s=y\n", sym->name); - break; - } - break; - case S_STRING: - str = sym_get_string_value(sym); - fprintf(out, "CONFIG_LP_%s=\"", sym->name); - while (1) { - l = strcspn(str, "\"\\"); - if (l) { - fwrite(str, l, 1, out); - str += l; - } - if (!*str) - break; - fprintf(out, "\\%c", *str++); - } - fputs("\"\n", out); - break; - case S_HEX: - str = sym_get_string_value(sym); - if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) { - fprintf(out, "CONFIG_LP_%s=%s\n", sym->name, str); - break; - } - case S_INT: - str = sym_get_string_value(sym); - fprintf(out, "CONFIG_LP_%s=%s\n", sym->name, str); - break; - } - } - - next: - if (menu->list) { - menu = menu->list; - continue; - } - if (menu->next) - menu = menu->next; - else while ((menu = menu->parent)) { - if (menu->next) { - menu = menu->next; - break; - } - } - } - fclose(out); - - if (*tmpname) { - strcat(dirname, basename); - strcat(dirname, ".old"); - UNLINK_IF_NECESSARY(dirname); - rename(newname, dirname); - if (rename(tmpname, newname)) - return 1; - } - - printf(_("#\n" - "# configuration written to %s\n" - "#\n"), newname); - - sym_set_change_count(0); - - return 0; -} - -int conf_split_config(void) -{ - char *name, path[128]; - char *s, *d, c; - struct symbol *sym; - struct stat sb; - int res, i, fd; - - name = getenv("KCONFIG_AUTOCONFIG"); - if (!name) - name = "include/config/auto.conf"; - conf_read_simple(name, S_DEF_AUTO); - - if (chdir("build")) - return 1; - - res = 0; - for_all_symbols(i, sym) { - sym_calc_value(sym); - if ((sym->flags & SYMBOL_AUTO) || !sym->name) - continue; - if (sym->flags & SYMBOL_WRITE) { - if (sym->flags & SYMBOL_DEF_AUTO) { - /* - * symbol has old and new value, - * so compare them... - */ - switch (sym->type) { - case S_BOOLEAN: - case S_TRISTATE: - if (sym_get_tristate_value(sym) == - sym->def[S_DEF_AUTO].tri) - continue; - break; - case S_STRING: - case S_HEX: - case S_INT: - if (!strcmp(sym_get_string_value(sym), - sym->def[S_DEF_AUTO].val)) - continue; - break; - default: - break; - } - } else { - /* - * If there is no old value, only 'no' (unset) - * is allowed as new value. - */ - switch (sym->type) { - case S_BOOLEAN: - case S_TRISTATE: - if (sym_get_tristate_value(sym) == no) - continue; - break; - default: - break; - } - } - } else if (!(sym->flags & SYMBOL_DEF_AUTO)) - /* There is neither an old nor a new value. */ - continue; - /* else - * There is an old value, but no new value ('no' (unset) - * isn't saved in auto.conf, so the old value is always - * different from 'no'). - */ - - /* Replace all '_' and append ".h" */ - s = sym->name; - d = path; - while ((c = *s++)) { - c = tolower(c); - *d++ = (c == '_') ? '/' : c; - } - strcpy(d, ".h"); - - /* Assume directory path already exists. */ - fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); - if (fd == -1) { - if (errno != ENOENT) { - res = 1; - break; - } - /* - * Create directory components, - * unless they exist already. - */ - d = path; - while ((d = strchr(d, '/'))) { - *d = 0; - if (stat(path, &sb) && mkdir(path, 0755)) { - res = 1; - goto out; - } - *d++ = '/'; - } - /* Try it again. */ - fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); - if (fd == -1) { - res = 1; - break; - } - } - close(fd); - } -out: - if (chdir("../..")) - return 1; - - return res; -} - -int conf_write_autoconf(void) -{ - struct symbol *sym; - const char *str; - char *name; - FILE *out, *out_h; - time_t now; - int i, l; - - sym_clear_all_valid(); - - file_write_dep("build/auto.conf.cmd"); - -#if 0 - if (conf_split_config()) - return 1; -#endif - - out = fopen(".tmpconfig", "w"); - if (!out) - return 1; - - out_h = fopen(".tmpconfig.h", "w"); - if (!out_h) { - fclose(out); - return 1; - } - - sym = sym_lookup("KERNELVERSION", 0); - sym_calc_value(sym); - time(&now); - fprintf(out, "#\n" - "# Automatically generated make config: don't edit\n" - "# libpayload version: %s\n" - "# %s" - "#\n", - getenv("KERNELVERSION")?getenv("KERNELVERSION"):"", ctime(&now)); - fprintf(out_h, "/*\n" - " * Automatically generated C config: don't edit\n" - " * libpayload version: %s\n" - " * %s" - " */\n" - "#define AUTOCONF_INCLUDED\n", - getenv("KERNELVERSION")?getenv("KERNELVERSION"):"", ctime(&now)); - - for_all_symbols(i, sym) { - sym_calc_value(sym); - if (!(sym->flags & SYMBOL_WRITE) || !sym->name) - continue; - switch (sym->type) { - case S_BOOLEAN: - case S_TRISTATE: - switch (sym_get_tristate_value(sym)) { - case no: - break; - case mod: - fprintf(out, "CONFIG_LP_%s=m\n", sym->name); - fprintf(out_h, "#define CONFIG_LP_%s_MODULE 1\n", sym->name); - break; - case yes: - fprintf(out, "CONFIG_LP_%s=y\n", sym->name); - fprintf(out_h, "#define CONFIG_LP_%s 1\n", sym->name); - break; - } - break; - case S_STRING: - str = sym_get_string_value(sym); - fprintf(out, "CONFIG_LP_%s=\"", sym->name); - fprintf(out_h, "#define CONFIG_LP_%s \"", sym->name); - while (1) { - l = strcspn(str, "\"\\"); - if (l) { - fwrite(str, l, 1, out); - fwrite(str, l, 1, out_h); - str += l; - } - if (!*str) - break; - fprintf(out, "\\%c", *str); - fprintf(out_h, "\\%c", *str); - str++; - } - fputs("\"\n", out); - fputs("\"\n", out_h); - break; - case S_HEX: - str = sym_get_string_value(sym); - if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) { - fprintf(out, "CONFIG_LP_%s=%s\n", sym->name, str); - fprintf(out_h, "#define CONFIG_LP_%s 0x%s\n", sym->name, str); - break; - } - case S_INT: - str = sym_get_string_value(sym); - fprintf(out, "CONFIG_LP_%s=%s\n", sym->name, str); - fprintf(out_h, "#define CONFIG_LP_%s %s\n", sym->name, str); - break; - default: - break; - } - } - fclose(out); - fclose(out_h); - - name = getenv("KCONFIG_AUTOHEADER"); - if (!name) - name = "include/linux/autoconf.h"; - UNLINK_IF_NECESSARY(name); - if (rename(".tmpconfig.h", name)) - return 1; - name = getenv("KCONFIG_AUTOCONFIG"); - if (!name) - name = "include/config/auto.conf"; - /* - * This must be the last step, kbuild has a dependency on auto.conf - * and this marks the successful completion of the previous steps. - */ - UNLINK_IF_NECESSARY(name); - if (rename(".tmpconfig", name)) - return 1; - - return 0; -} - -static int sym_change_count; -static void (*conf_changed_callback)(void); - -void sym_set_change_count(int count) -{ - int _sym_change_count = sym_change_count; - sym_change_count = count; - if (conf_changed_callback && - (bool)_sym_change_count != (bool)count) - conf_changed_callback(); -} - -void sym_add_change_count(int count) -{ - sym_set_change_count(count + sym_change_count); -} - -bool conf_get_changed(void) -{ - return sym_change_count; -} - -void conf_set_changed_callback(void (*fn)(void)) -{ - conf_changed_callback = fn; -} |