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-rw-r--r--scripts/kconfig/confdata.c537
1 files changed, 385 insertions, 152 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 2b8f140635..73afcbafd3 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -41,6 +41,13 @@ const char *conf_get_configname(void)
return name ? name : ".config";
}
+const char *conf_get_autoconfig_name(void)
+{
+ char *name = getenv("KCONFIG_AUTOCONFIG");
+
+ return name ? name : "include/config/auto.conf";
+}
+
static char *conf_expand_value(const char *in)
{
struct symbol *sym;
@@ -83,6 +90,68 @@ char *conf_get_default_confname(void)
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;
@@ -101,8 +170,11 @@ int conf_read_simple(const char *name, int def)
if (in)
goto load;
sym_add_change_count(1);
- if (!sym_defconfig_list)
+ if (!sym_defconfig_list) {
+ if (modules_sym)
+ sym_calc_value(modules_sym);
return 1;
+ }
for_all_defaults(sym_defconfig_list, prop) {
if (expr_calc_value(prop->visible.expr) == no ||
@@ -161,7 +233,7 @@ load:
if (def == S_DEF_USER) {
sym = sym_find(line + 9);
if (!sym) {
- conf_warning("trying to assign nonexistent symbol %s", line + 9);
+ sym_add_change_count(1);
break;
}
} else {
@@ -170,8 +242,7 @@ load:
sym->type = S_BOOLEAN;
}
if (sym->flags & def_flags) {
- conf_warning("trying to reassign symbol %s", sym->name);
- break;
+ conf_warning("override: reassigning to symbol %s", sym->name);
}
switch (sym->type) {
case S_BOOLEAN:
@@ -201,7 +272,7 @@ load:
if (def == S_DEF_USER) {
sym = sym_find(line + 7);
if (!sym) {
- conf_warning("trying to assign nonexistent symbol %s", line + 7);
+ sym_add_change_count(1);
break;
}
} else {
@@ -210,64 +281,10 @@ load:
sym->type = S_OTHER;
}
if (sym->flags & def_flags) {
- conf_warning("trying to reassign symbol %s", sym->name);
- break;
- }
- 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");
- continue;
- }
- 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);
- continue;
- }
- break;
- default:
- ;
+ 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':
@@ -288,14 +305,12 @@ load:
}
break;
case yes:
- if (cs->def[def].tri != no) {
- conf_warning("%s creates inconsistent choice state", sym->name);
- cs->flags &= ~def_flags;
- } else
- cs->def[def].val = sym;
+ 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 = E_OR(cs->def[def].tri, sym->def[def].tri);
+ cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
}
}
fclose(in);
@@ -307,7 +322,7 @@ load:
int conf_read(const char *name)
{
- struct symbol *sym;
+ struct symbol *sym, *choice_sym;
struct property *prop;
struct expr *e;
int i, flags;
@@ -348,9 +363,9 @@ int conf_read(const char *name)
*/
prop = sym_get_choice_prop(sym);
flags = sym->flags;
- for (e = prop->expr; e; e = e->left.expr)
- if (e->right.sym->visible != no)
- flags &= e->right.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;
}
@@ -384,15 +399,148 @@ int conf_read(const char *name)
return 0;
}
+/* Write a S_STRING */
+static void conf_write_string(bool headerfile, const char *name,
+ const char *str, FILE *out)
+{
+ int l;
+ if (headerfile)
+ fprintf(out, "#define CONFIG_%s \"", name);
+ else
+ fprintf(out, "CONFIG_%s=\"", name);
+
+ while (1) {
+ l = strcspn(str, "\"\\");
+ if (l) {
+ xfwrite(str, l, 1, out);
+ str += l;
+ }
+ if (!*str)
+ break;
+ fprintf(out, "\\%c", *str++);
+ }
+ fputs("\"\n", out);
+}
+
+static void conf_write_symbol(struct symbol *sym, enum symbol_type type,
+ FILE *out, bool write_no)
+{
+ const char *str;
+
+ switch (type) {
+ case S_BOOLEAN:
+ case S_TRISTATE:
+ switch (sym_get_tristate_value(sym)) {
+ case no:
+ if (write_no)
+ fprintf(out, "# CONFIG_%s is not set\n", sym->name);
+ break;
+ case mod:
+ fprintf(out, "CONFIG_%s=m\n", sym->name);
+ break;
+ case yes:
+ fprintf(out, "CONFIG_%s=y\n", sym->name);
+ break;
+ }
+ break;
+ case S_STRING:
+ conf_write_string(false, sym->name, sym_get_string_value(sym), out);
+ break;
+ case S_HEX:
+ case S_INT:
+ str = sym_get_string_value(sym);
+ fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
+ break;
+ case S_OTHER:
+ case S_UNKNOWN:
+ break;
+ }
+}
+
+/*
+ * Write out a minimal config.
+ * All values that has default values are skipped as this is redundant.
+ */
+int conf_write_defconfig(const char *filename)
+{
+ struct symbol *sym;
+ struct menu *menu;
+ FILE *out;
+
+ out = fopen(filename, "w");
+ if (!out)
+ return 1;
+
+ sym_clear_all_valid();
+
+ /* Traverse all menus to find all relevant symbols */
+ menu = rootmenu.list;
+
+ while (menu != NULL)
+ {
+ sym = menu->sym;
+ if (sym == NULL) {
+ if (!menu_is_visible(menu))
+ goto next_menu;
+ } else if (!sym_is_choice(sym)) {
+ sym_calc_value(sym);
+ if (!(sym->flags & SYMBOL_WRITE))
+ goto next_menu;
+ sym->flags &= ~SYMBOL_WRITE;
+ /* If we cannot change the symbol - skip */
+ if (!sym_is_changable(sym))
+ goto next_menu;
+ /* If symbol equals to default value - skip */
+ if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
+ goto next_menu;
+
+ /*
+ * If symbol is a choice value and equals to the
+ * default for a choice - skip.
+ * But only if value is bool and equal to "y" .
+ */
+ if (sym_is_choice_value(sym)) {
+ struct symbol *cs;
+ struct symbol *ds;
+
+ cs = prop_get_symbol(sym_get_choice_prop(sym));
+ ds = sym_choice_default(cs);
+ if (sym == ds) {
+ if ((sym->type == S_BOOLEAN) &&
+ sym_get_tristate_value(sym) == yes)
+ goto next_menu;
+ }
+ }
+ conf_write_symbol(sym, sym->type, out, true);
+ }
+next_menu:
+ if (menu->list != NULL) {
+ menu = menu->list;
+ }
+ else if (menu->next != NULL) {
+ menu = menu->next;
+ } else {
+ while ((menu = menu->parent)) {
+ if (menu->next != NULL) {
+ menu = menu->next;
+ break;
+ }
+ }
+ }
+ }
+ fclose(out);
+ 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;
+ char dirname[128], tmpname[128], newname[128];
+ enum symbol_type type;
time_t now;
int use_timestamp = 1;
char *env;
@@ -440,7 +588,7 @@ int conf_write(const char *name)
fprintf(out, _("#\n"
"# Automatically generated make config: don't edit\n"
- "# barebox version: %s\n"
+ "# Linux barebox version: %s\n"
"%s%s"
"#\n"),
sym_get_string_value(sym),
@@ -472,50 +620,11 @@ int conf_write(const char *name)
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_%s is not set\n", sym->name);
- break;
- case mod:
- fprintf(out, "CONFIG_%s=m\n", sym->name);
- break;
- case yes:
- fprintf(out, "CONFIG_%s=y\n", sym->name);
- break;
- }
- break;
- case S_STRING:
- str = sym_get_string_value(sym);
- fprintf(out, "CONFIG_%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_%s=%s\n", sym->name, str);
- break;
- }
- case S_INT:
- str = sym_get_string_value(sym);
- fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
- break;
- }
+ /* Write config symbol to file */
+ conf_write_symbol(sym, type, out, true);
}
- next:
+next:
if (menu->list) {
menu = menu->list;
continue;
@@ -548,17 +657,16 @@ int conf_write(const char *name)
return 0;
}
-int conf_split_config(void)
+static int conf_split_config(void)
{
- char *name, path[128];
+ const char *name;
+ char 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";
+ name = conf_get_autoconfig_name();
conf_read_simple(name, S_DEF_AUTO);
if (chdir("include/config"))
@@ -665,10 +773,10 @@ int conf_write_autoconf(void)
{
struct symbol *sym;
const char *str;
- char *name;
- FILE *out, *out_h;
+ const char *name;
+ FILE *out, *tristate, *out_h;
time_t now;
- int i, l;
+ int i;
sym_clear_all_valid();
@@ -681,9 +789,16 @@ int conf_write_autoconf(void)
if (!out)
return 1;
+ tristate = fopen(".tmpconfig_tristate", "w");
+ if (!tristate) {
+ fclose(out);
+ return 1;
+ }
+
out_h = fopen(".tmpconfig.h", "w");
if (!out_h) {
fclose(out);
+ fclose(tristate);
return 1;
}
@@ -692,13 +807,16 @@ int conf_write_autoconf(void)
time(&now);
fprintf(out, "#\n"
"# Automatically generated make config: don't edit\n"
- "# barebox version: %s\n"
+ "# Linux barebox version: %s\n"
"# %s"
"#\n",
sym_get_string_value(sym), ctime(&now));
+ fprintf(tristate, "#\n"
+ "# Automatically generated - do not edit\n"
+ "\n");
fprintf(out_h, "/*\n"
" * Automatically generated C config: don't edit\n"
- " * barebox version: %s\n"
+ " * Linux barebox version: %s\n"
" * %s"
" */\n"
"#define AUTOCONF_INCLUDED\n",
@@ -708,6 +826,11 @@ int conf_write_autoconf(void)
sym_calc_value(sym);
if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
continue;
+
+ /* write symbol to config file */
+ conf_write_symbol(sym, sym->type, out, false);
+
+ /* update autoconf and tristate files */
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
@@ -715,45 +838,28 @@ int conf_write_autoconf(void)
case no:
break;
case mod:
- fprintf(out, "CONFIG_%s=m\n", sym->name);
+ fprintf(tristate, "CONFIG_%s=M\n", sym->name);
fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name);
break;
case yes:
- fprintf(out, "CONFIG_%s=y\n", sym->name);
+ if (sym->type == S_TRISTATE)
+ fprintf(tristate, "CONFIG_%s=Y\n",
+ sym->name);
fprintf(out_h, "#define CONFIG_%s 1\n", sym->name);
break;
}
break;
case S_STRING:
- str = sym_get_string_value(sym);
- fprintf(out, "CONFIG_%s=\"", sym->name);
- fprintf(out_h, "#define CONFIG_%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);
+ conf_write_string(true, sym->name, sym_get_string_value(sym), 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_%s=%s\n", sym->name, str);
fprintf(out_h, "#define CONFIG_%s 0x%s\n", sym->name, str);
break;
}
case S_INT:
str = sym_get_string_value(sym);
- fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str);
break;
default:
@@ -761,16 +867,20 @@ int conf_write_autoconf(void)
}
}
fclose(out);
+ fclose(tristate);
fclose(out_h);
name = getenv("KCONFIG_AUTOHEADER");
if (!name)
- name = "include/linux/autoconf.h";
+ name = "include/generated/autoconf.h";
if (rename(".tmpconfig.h", name))
return 1;
- name = getenv("KCONFIG_AUTOCONFIG");
+ name = getenv("KCONFIG_TRISTATE");
if (!name)
- name = "include/config/auto.conf";
+ name = "include/config/tristate.conf";
+ if (rename(".tmpconfig_tristate", name))
+ return 1;
+ name = conf_get_autoconfig_name();
/*
* This must be the last step, kbuild has a dependency on auto.conf
* and this marks the successful completion of the previous steps.
@@ -807,3 +917,126 @@ void conf_set_changed_callback(void (*fn)(void))
{
conf_changed_callback = fn;
}
+
+static void 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 slected
+ * and if no then no-one.
+ * In both cases stop.
+ */
+ if (csym->curr.tri != yes)
+ return;
+
+ 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;
+ }
+ }
+ csym->flags |= SYMBOL_DEF_USER;
+ /* clear VALID to get value calculated */
+ csym->flags &= ~(SYMBOL_VALID);
+}
+
+static void set_all_choice_values(struct symbol *csym)
+{
+ struct property *prop;
+ struct symbol *sym;
+ struct expr *e;
+
+ prop = sym_get_choice_prop(csym);
+
+ /*
+ * Set all non-assinged choice values to no
+ */
+ expr_list_for_each_sym(prop->expr, e, sym) {
+ if (!sym_has_value(sym))
+ sym->def[S_DEF_USER].tri = no;
+ }
+ csym->flags |= SYMBOL_DEF_USER;
+ /* clear VALID to get value calculated */
+ csym->flags &= ~(SYMBOL_VALID);
+}
+
+void conf_set_all_new_symbols(enum conf_def_mode mode)
+{
+ struct symbol *sym, *csym;
+ int i, cnt;
+
+ for_all_symbols(i, sym) {
+ if (sym_has_value(sym))
+ continue;
+ switch (sym_get_type(sym)) {
+ case S_BOOLEAN:
+ case S_TRISTATE:
+ 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:
+ cnt = sym_get_type(sym) == S_TRISTATE ? 3 : 2;
+ sym->def[S_DEF_USER].tri = (tristate)(rand() % cnt);
+ 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 equal to mod then we can select several
+ * choice symbols in one block.
+ * In this case we do nothing.
+ * If curr.tri equal yes then only one symbol can be
+ * selected in a choice block and we set it to yes,
+ * and the rest to no.
+ */
+ for_all_symbols(i, csym) {
+ if (sym_has_value(csym) || !sym_is_choice(csym))
+ continue;
+
+ sym_calc_value(csym);
+ if (mode == def_random)
+ randomize_choice_values(csym);
+ else
+ set_all_choice_values(csym);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-24 03:07:05 +0000