-rw-r--r-- | scripts/kconfig/confdata.c | 106 |
1 files changed, 75 insertions, 31 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 9bf7af9..f3796ce 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -14,19 +14,16 @@ #include "lkc.h" const char conf_def_filename[] = ".config"; const char conf_defname[] = "arch/$ARCH/defconfig"; const char *conf_confnames[] = { ".config", - "/lib/modules/$UNAME_RELEASE/.config", - "/etc/kernel-config", - "/boot/config-$UNAME_RELEASE", conf_defname, NULL, }; static char *conf_expand_value(const char *in) { struct symbol *sym; const char *src; @@ -100,21 +97,21 @@ int conf_read(const char *name) for_all_symbols(i, sym) { sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED; sym->flags &= ~SYMBOL_VALID; switch (sym->type) { case S_INT: case S_HEX: case S_STRING: - if (S_VAL(sym->def)) - free(S_VAL(sym->def)); + if (sym->user.val) + free(sym->user.val); default: - S_VAL(sym->def) = NULL; - S_TRI(sym->def) = no; + sym->user.val = NULL; + sym->user.tri = no; } } while (fgets(line, sizeof(line), in)) { lineno++; switch (line[0]) { case '#': if (memcmp(line + 2, "CONFIG_", 7)) @@ -124,17 +121,17 @@ int conf_read(const char *name) continue; *p++ = 0; if (strncmp(p, "is not set", 10)) continue; sym = sym_lookup(line + 9, 0); switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: - sym->def = symbol_no.curr; + sym->user = symbol_no.curr; sym->flags &= ~SYMBOL_NEW; break; default: ; } break; case 'C': if (memcmp(line, "CONFIG_", 7)) @@ -149,28 +146,28 @@ int conf_read(const char *name) sym = sym_find(line + 7); if (!sym) { fprintf(stderr, "%s:%d: trying to assign nonexistent symbol %s\n", name, lineno, line + 7); break; } switch (sym->type) { case S_TRISTATE: if (p[0] == 'm') { - S_TRI(sym->def) = mod; + sym->user.tri = mod; sym->flags &= ~SYMBOL_NEW; break; } case S_BOOLEAN: if (p[0] == 'y') { - S_TRI(sym->def) = yes; + sym->user.tri = yes; sym->flags &= ~SYMBOL_NEW; break; } if (p[0] == 'n') { - S_TRI(sym->def) = no; + sym->user.tri = no; sym->flags &= ~SYMBOL_NEW; break; } break; case S_STRING: if (*p++ != '"') break; for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) { @@ -182,84 +179,121 @@ int conf_read(const char *name) } if (!p2) { fprintf(stderr, "%s:%d: invalid string found\n", name, lineno); exit(1); } case S_INT: case S_HEX: if (sym_string_valid(sym, p)) { - S_VAL(sym->def) = strdup(p); + sym->user.val = strdup(p); sym->flags &= ~SYMBOL_NEW; } else { fprintf(stderr, "%s:%d: symbol value '%s' invalid for %s\n", name, lineno, p, sym->name); exit(1); } break; default: ; } if (sym_is_choice_value(sym)) { - prop = sym_get_choice_prop(sym); - switch (S_TRI(sym->def)) { + struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); + switch (sym->user.tri) { case mod: - if (S_TRI(prop->def->def) == yes) + if (cs->user.tri == yes) /* warn? */; break; case yes: - if (S_TRI(prop->def->def) != no) + if (cs->user.tri != no) /* warn? */; - S_VAL(prop->def->def) = sym; + cs->user.val = sym; break; case no: break; } - S_TRI(prop->def->def) = S_TRI(sym->def); + cs->user.tri = sym->user.tri; } break; case '\n': break; default: continue; } } fclose(in); for_all_symbols(i, sym) { + sym_calc_value(sym); + if (sym_has_value(sym)) { + if (sym->visible == no) + sym->flags |= SYMBOL_NEW; + switch (sym->type) { + case S_STRING: + case S_INT: + case S_HEX: + if (!sym_string_within_range(sym, sym->user.val)) + sym->flags |= SYMBOL_NEW; + default: + break; + } + } if (!sym_is_choice(sym)) continue; prop = sym_get_choice_prop(sym); sym->flags &= ~SYMBOL_NEW; - for (e = prop->dep; e; e = e->left.expr) + for (e = prop->expr; e; e = e->left.expr) + if (e->right.sym->visible != no) sym->flags |= e->right.sym->flags & SYMBOL_NEW; } sym_change_count = 1; return 0; } int conf_write(const char *name) { FILE *out, *out_h; struct symbol *sym; struct menu *menu; - char oldname[128]; + const char *basename; + char dirname[128], tmpname[128], newname[128]; int type, l; const char *str; - out = fopen(".tmpconfig", "w"); + dirname[0] = 0; + if (name && name[0]) { + char *slash = strrchr(name, '/'); + if (slash) { + int size = slash - name + 1; + memcpy(dirname, name, size); + dirname[size] = 0; + if (slash[1]) + basename = slash + 1; + else + basename = conf_def_filename; + } else + basename = name; + } else + basename = conf_def_filename; + + sprintf(newname, "%s.tmpconfig.%d", dirname, getpid()); + out = fopen(newname, "w"); if (!out) return 1; + out_h = NULL; + if (!name) { out_h = fopen(".tmpconfig.h", "w"); if (!out_h) return 1; + } fprintf(out, "#\n" "# Automatically generated make config: don't edit\n" "#\n"); + if (out_h) fprintf(out_h, "/*\n" " * Automatically generated C config: don't edit\n" " */\n" "#define AUTOCONF_INCLUDED\n"); if (!sym_change_count) sym_clear_all_valid(); @@ -269,80 +303,90 @@ int conf_write(const char *name) if (!sym) { if (!menu_is_visible(menu)) goto next; str = menu_get_prompt(menu); fprintf(out, "\n" "#\n" "# %s\n" "#\n", str); + if (out_h) fprintf(out_h, "\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 (S_TRI(modules_sym->curr) == no) + 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); + if (out_h) fprintf(out_h, "#undef CONFIG_%s\n", sym->name); break; case mod: fprintf(out, "CONFIG_%s=m\n", sym->name); + if (out_h) fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name); break; case yes: fprintf(out, "CONFIG_%s=y\n", sym->name); + if (out_h) fprintf(out_h, "#define CONFIG_%s 1\n", sym->name); break; } break; case S_STRING: // fix me str = sym_get_string_value(sym); fprintf(out, "CONFIG_%s=\"", sym->name); + if (out_h) fprintf(out_h, "#define CONFIG_%s \"", sym->name); do { l = strcspn(str, "\"\\"); if (l) { fwrite(str, l, 1, out); + if (out_h) fwrite(str, l, 1, out_h); } str += l; while (*str == '\\' || *str == '"') { fprintf(out, "\\%c", *str); + if (out_h) fprintf(out_h, "\\%c", *str); str++; } } while (*str); fputs("\"\n", out); + if (out_h) 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_%s=%s\n", sym->name, str); + if (out_h) 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); + if (out_h) fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str); break; } } next: if (menu->list) { menu = menu->list; @@ -353,26 +397,26 @@ int conf_write(const char *name) else while ((menu = menu->parent)) { if (menu->next) { menu = menu->next; break; } } } fclose(out); + if (out_h) { fclose(out_h); - - if (!name) { rename(".tmpconfig.h", "include/linux/autoconf.h"); + } + if (!name || basename != conf_def_filename) { + if (!name) name = conf_def_filename; - file_write_dep(NULL); - } else - unlink(".tmpconfig.h"); - - sprintf(oldname, "%s.old", name); - rename(name, oldname); - if (rename(".tmpconfig", name)) + sprintf(tmpname, "%s.old", name); + rename(name, tmpname); + } + sprintf(tmpname, "%s%s", dirname, basename); + if (rename(newname, tmpname)) return 1; sym_change_count = 0; return 0; } |