From 4b3e11b3e7d00881878f45cddbfe8f4bf07d1ebe Mon Sep 17 00:00:00 2001 From: Alper Yildirim Date: Mon, 20 Jul 2009 18:50:58 +0200 Subject: config: Update package/config to Kconfig 2.6.30 Update the package/config stuff with the code available in the Linux kernel 2.6.30. Signed-off-by: Alper Yildirim --- package/config/confdata.c | 139 ++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 115 insertions(+), 24 deletions(-) (limited to 'package/config/confdata.c') diff --git a/package/config/confdata.c b/package/config/confdata.c index 7f06da4f1..56bcd8769 100644 --- a/package/config/confdata.c +++ b/package/config/confdata.c @@ -42,6 +42,13 @@ const char *conf_get_configname(void) return name ? name : ".config"; } +const char *conf_get_autoconfig_name(void) +{ + char *name = getenv("BUILDROOT_AUTOCONFIG"); + + return name ? name : "$(BR2_DEPENDS_DIR)/config/auto.conf"; +} + static char *conf_expand_value(const char *in) { struct symbol *sym; @@ -224,7 +231,7 @@ load: if (def == S_DEF_USER) { sym = sym_find(line + 2); if (!sym) { - conf_warning("trying to assign nonexistent symbol %s", line + 2); + sym_add_change_count(1); break; } } else { @@ -233,8 +240,7 @@ 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: @@ -260,7 +266,7 @@ load: if (def == S_DEF_USER) { sym = sym_find(line); if (!sym) { - conf_warning("trying to assign nonexistent symbol %s", line); + sym_add_change_count(1); break; } } else { @@ -269,8 +275,7 @@ load: sym->type = S_OTHER; } if (sym->flags & def_flags) { - conf_warning("trying to reassign symbol %s", sym->name); - break; + conf_warning("override: reassigning to symbol %s", sym->name); } if (conf_set_sym_val(sym, def, def_flags, p)) continue; @@ -294,14 +299,12 @@ 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); @@ -313,7 +316,7 @@ load: int conf_read(const char *name) { - struct symbol *sym; + struct symbol *sym, *choice_sym; struct property *prop; struct expr *e; int i, flags; @@ -354,9 +357,9 @@ 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; } @@ -554,15 +557,15 @@ int conf_write(const char *name) int conf_split_config(void) { - char *name, path[128], *opwd, *dir, *_name; + const char *name; + char path[128]; + char *opwd, *dir, *_name; 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); opwd = malloc(256); @@ -683,7 +686,7 @@ int conf_write_autoconf(void) { struct symbol *sym; const char *str; - char *name; + const char *name; FILE *out, *out_h; time_t now; int i, l; @@ -783,9 +786,7 @@ int conf_write_autoconf(void) name = "include/linux/autoconf.h"; if (rename(".tmpconfig.h", name)) return 1; - name = getenv("KCONFIG_AUTOCONFIG"); - if (!name) - name = "include/config/auto.conf"; + 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. @@ -822,3 +823,93 @@ void conf_set_changed_callback(void (*fn)(void)) { conf_changed_callback = fn; } + + +void conf_set_all_new_symbols(enum conf_def_mode mode) +{ + struct symbol *sym, *csym; + struct property *prop; + struct expr *e; + int i, cnt, def; + + 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: + sym->def[S_DEF_USER].tri = (tristate)(rand() % 3); + break; + default: + continue; + } + if (!(sym_is_choice(sym) && mode == def_random)) + sym->flags |= SYMBOL_DEF_USER; + break; + default: + break; + } + + } + + sym_clear_all_valid(); + + if (mode != def_random) + return; + /* + * 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 (csym->curr.tri != yes) + continue; + + 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); + } +} -- cgit v1.2.3