libpayload: External code
This is external and properly licensed code that I pulled into the tree.
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3171 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Jordan Crouse
567
payloads/libpayload/util/kconfig/confdata.c
Normal file
567
payloads/libpayload/util/kconfig/confdata.c
Normal file
@ -0,0 +1,567 @@
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/*
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* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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* Released under the terms of the GNU GPL v2.0.
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*/
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#include <sys/stat.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#define LKC_DIRECT_LINK
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#include "lkc.h"
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static void conf_warning(const char *fmt, ...)
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__attribute__ ((format (printf, 1, 2)));
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static const char *conf_filename;
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static int conf_lineno, conf_warnings, conf_unsaved;
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const char conf_def_filename[] = ".config";
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const char conf_defname[] = "scripts/defconfig";
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const char *conf_confnames[] = {
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".config",
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NULL,
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};
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static void conf_warning(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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va_end(ap);
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conf_warnings++;
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}
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static char *conf_expand_value(const char *in)
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{
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struct symbol *sym;
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const char *src;
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static char res_value[SYMBOL_MAXLENGTH];
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char *dst, name[SYMBOL_MAXLENGTH];
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res_value[0] = 0;
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dst = name;
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while ((src = strchr(in, '$'))) {
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strncat(res_value, in, src - in);
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src++;
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dst = name;
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while (isalnum(*src) || *src == '_')
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*dst++ = *src++;
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*dst = 0;
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sym = sym_lookup(name, 0);
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sym_calc_value(sym);
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strcat(res_value, sym_get_string_value(sym));
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in = src;
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}
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strcat(res_value, in);
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return res_value;
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}
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char *conf_get_default_confname(void)
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{
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struct stat buf;
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static char fullname[PATH_MAX+1];
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char *env, *name;
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name = conf_expand_value(conf_defname);
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env = getenv(SRCTREE);
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if (env) {
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sprintf(fullname, "%s/%s", env, name);
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if (!stat(fullname, &buf))
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return fullname;
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}
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return name;
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}
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int conf_read_simple(const char *name)
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{
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FILE *in = NULL;
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char line[1024];
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char *p, *p2;
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struct symbol *sym;
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int i;
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if (name) {
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in = zconf_fopen(name);
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} else {
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const char **names = conf_confnames;
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while ((name = *names++)) {
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name = conf_expand_value(name);
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in = zconf_fopen(name);
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if (in) {
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printf(_("#\n"
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"# using defaults found in %s\n"
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"#\n"), name);
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break;
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}
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}
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}
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if (!in)
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return 1;
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conf_filename = name;
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conf_lineno = 0;
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conf_warnings = 0;
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conf_unsaved = 0;
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for_all_symbols(i, sym) {
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sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
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if (sym_is_choice(sym))
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sym->flags &= ~SYMBOL_NEW;
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sym->flags &= ~SYMBOL_VALID;
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switch (sym->type) {
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case S_INT:
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case S_HEX:
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case S_STRING:
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if (sym->user.val)
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free(sym->user.val);
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default:
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sym->user.val = NULL;
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sym->user.tri = no;
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}
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}
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while (fgets(line, sizeof(line), in)) {
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conf_lineno++;
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sym = NULL;
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switch (line[0]) {
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case '#':
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if (memcmp(line + 2, "CONFIG_", 7))
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continue;
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p = strchr(line + 9, ' ');
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if (!p)
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continue;
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*p++ = 0;
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if (strncmp(p, "is not set", 10))
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continue;
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sym = sym_find(line + 9);
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if (!sym) {
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conf_warning("trying to assign nonexistent symbol %s", line + 9);
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break;
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} else if (!(sym->flags & SYMBOL_NEW)) {
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conf_warning("trying to reassign symbol %s", sym->name);
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break;
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}
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switch (sym->type) {
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case S_BOOLEAN:
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case S_TRISTATE:
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sym->user.tri = no;
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sym->flags &= ~SYMBOL_NEW;
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break;
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default:
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;
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}
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break;
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case 'C':
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if (memcmp(line, "CONFIG_", 7)) {
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conf_warning("unexpected data");
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continue;
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}
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p = strchr(line + 7, '=');
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if (!p)
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continue;
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*p++ = 0;
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p2 = strchr(p, '\n');
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if (p2)
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*p2 = 0;
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sym = sym_find(line + 7);
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if (!sym) {
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conf_warning("trying to assign nonexistent symbol %s", line + 7);
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break;
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} else if (!(sym->flags & SYMBOL_NEW)) {
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conf_warning("trying to reassign symbol %s", sym->name);
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break;
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}
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switch (sym->type) {
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case S_TRISTATE:
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if (p[0] == 'm') {
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sym->user.tri = mod;
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sym->flags &= ~SYMBOL_NEW;
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break;
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}
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case S_BOOLEAN:
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if (p[0] == 'y') {
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sym->user.tri = yes;
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sym->flags &= ~SYMBOL_NEW;
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break;
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}
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if (p[0] == 'n') {
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sym->user.tri = no;
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sym->flags &= ~SYMBOL_NEW;
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break;
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}
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conf_warning("symbol value '%s' invalid for %s", p, sym->name);
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break;
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case S_STRING:
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if (*p++ != '"')
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break;
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for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
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if (*p2 == '"') {
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*p2 = 0;
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break;
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}
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memmove(p2, p2 + 1, strlen(p2));
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}
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if (!p2) {
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conf_warning("invalid string found");
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continue;
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}
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case S_INT:
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case S_HEX:
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if (sym_string_valid(sym, p)) {
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sym->user.val = strdup(p);
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sym->flags &= ~SYMBOL_NEW;
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} else {
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conf_warning("symbol value '%s' invalid for %s", p, sym->name);
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continue;
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}
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break;
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default:
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;
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}
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break;
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case '\n':
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break;
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default:
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conf_warning("unexpected data");
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continue;
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}
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if (sym && sym_is_choice_value(sym)) {
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struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
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switch (sym->user.tri) {
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case no:
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break;
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case mod:
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if (cs->user.tri == yes) {
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conf_warning("%s creates inconsistent choice state", sym->name);
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cs->flags |= SYMBOL_NEW;
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}
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break;
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case yes:
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if (cs->user.tri != no) {
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conf_warning("%s creates inconsistent choice state", sym->name);
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cs->flags |= SYMBOL_NEW;
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} else
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cs->user.val = sym;
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break;
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}
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cs->user.tri = E_OR(cs->user.tri, sym->user.tri);
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}
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}
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fclose(in);
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if (modules_sym)
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sym_calc_value(modules_sym);
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return 0;
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}
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int conf_read(const char *name)
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{
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struct symbol *sym;
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struct property *prop;
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struct expr *e;
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int i;
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if (conf_read_simple(name))
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return 1;
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for_all_symbols(i, sym) {
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sym_calc_value(sym);
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if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
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goto sym_ok;
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if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
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/* check that calculated value agrees with saved value */
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switch (sym->type) {
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case S_BOOLEAN:
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case S_TRISTATE:
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if (sym->user.tri != sym_get_tristate_value(sym))
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break;
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if (!sym_is_choice(sym))
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goto sym_ok;
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default:
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if (!strcmp(sym->curr.val, sym->user.val))
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goto sym_ok;
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break;
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}
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} else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
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/* no previous value and not saved */
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goto sym_ok;
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conf_unsaved++;
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/* maybe print value in verbose mode... */
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sym_ok:
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if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
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if (sym->visible == no)
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sym->flags |= SYMBOL_NEW;
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switch (sym->type) {
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case S_STRING:
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case S_INT:
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case S_HEX:
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if (!sym_string_within_range(sym, sym->user.val)) {
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sym->flags |= SYMBOL_NEW;
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sym->flags &= ~SYMBOL_VALID;
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}
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default:
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break;
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}
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}
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if (!sym_is_choice(sym))
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continue;
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prop = sym_get_choice_prop(sym);
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for (e = prop->expr; e; e = e->left.expr)
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if (e->right.sym->visible != no)
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sym->flags |= e->right.sym->flags & SYMBOL_NEW;
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}
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sym_change_count = conf_warnings || conf_unsaved;
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return 0;
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}
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int conf_write(const char *name)
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{
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FILE *out, *out_h;
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struct symbol *sym;
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struct menu *menu;
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const char *basename;
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char dirname[128], tmpname[128], newname[128];
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int type, l;
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const char *str;
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time_t now;
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int use_timestamp = 1;
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char *env;
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dirname[0] = 0;
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if (name && name[0]) {
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struct stat st;
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char *slash;
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if (!stat(name, &st) && S_ISDIR(st.st_mode)) {
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strcpy(dirname, name);
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strcat(dirname, "/");
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basename = conf_def_filename;
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} else if ((slash = strrchr(name, '/'))) {
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int size = slash - name + 1;
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memcpy(dirname, name, size);
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dirname[size] = 0;
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if (slash[1])
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basename = slash + 1;
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else
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||||
basename = conf_def_filename;
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||||
} else
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||||
basename = name;
|
||||
} else
|
||||
basename = conf_def_filename;
|
||||
|
||||
sprintf(newname, "%s.tmpconfig.%d", dirname, (int)getpid());
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||||
out = fopen(newname, "w");
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if (!out)
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return 1;
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out_h = NULL;
|
||||
if (!name) {
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||||
out_h = fopen(".tmpconfig.h", "w");
|
||||
if (!out_h)
|
||||
return 1;
|
||||
file_write_dep(NULL);
|
||||
}
|
||||
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"
|
||||
"# Buildrom version: %s\n"
|
||||
"%s%s"
|
||||
"#\n"),
|
||||
sym_get_string_value(sym),
|
||||
use_timestamp ? "# " : "",
|
||||
use_timestamp ? ctime(&now) : "");
|
||||
if (out_h) {
|
||||
char buf[sizeof("#define AUTOCONF_TIMESTAMP "
|
||||
"\"YYYY-MM-DD HH:MM:SS some_timezone\"\n")];
|
||||
buf[0] = '\0';
|
||||
if (use_timestamp) {
|
||||
size_t ret = \
|
||||
strftime(buf, sizeof(buf), "#define AUTOCONF_TIMESTAMP "
|
||||
"\"%Y-%m-%d %H:%M:%S %Z\"\n", localtime(&now));
|
||||
/* if user has Factory timezone or some other odd install, the
|
||||
* %Z above will overflow the string leaving us with undefined
|
||||
* results ... so let's try again without the timezone.
|
||||
*/
|
||||
if (ret == 0)
|
||||
strftime(buf, sizeof(buf), "#define AUTOCONF_TIMESTAMP "
|
||||
"\"%Y-%m-%d %H:%M:%S\"\n", localtime(&now));
|
||||
}
|
||||
fprintf(out_h, "/*\n"
|
||||
" * Automatically generated C config: don't edit\n"
|
||||
" * Buildrom version: %s\n"
|
||||
" */\n"
|
||||
"%s"
|
||||
"\n",
|
||||
sym_get_string_value(sym),
|
||||
buf);
|
||||
}
|
||||
if (!sym_change_count)
|
||||
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);
|
||||
if (out_h)
|
||||
fprintf(out_h, "\n"
|
||||
"/*\n"
|
||||
" * %s\n"
|
||||
" */\n", str);
|
||||
} else if (!(sym->flags & SYMBOL_CHOICE)) {
|
||||
sym_calc_value(sym);
|
||||
/* bbox: we want to all syms
|
||||
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_%s is not set\n", sym->name);
|
||||
if (out_h) {
|
||||
fprintf(out_h, "#undef CONFIG_%s\n", sym->name);
|
||||
/* bbox */
|
||||
fprintf(out_h, "#define ENABLE_%s 0\n", sym->name);
|
||||
fprintf(out_h, "#define USE_%s(...)\n", sym->name);
|
||||
fprintf(out_h, "#define SKIP_%s(...) __VA_ARGS__\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);
|
||||
/* bbox */
|
||||
fprintf(out_h, "#define ENABLE_%s 1\n", sym->name);
|
||||
fprintf(out_h, "#define USE_%s(...) __VA_ARGS__\n", sym->name);
|
||||
fprintf(out_h, "#define SKIP_%s(...)\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);
|
||||
/* bbox */
|
||||
fprintf(out_h, "#define ENABLE_%s 1\n", sym->name);
|
||||
fprintf(out_h, "#define USE_%s(...) __VA_ARGS__\n", sym->name);
|
||||
fprintf(out_h, "#define SKIP_%s(...)\n", sym->name);
|
||||
}
|
||||
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);
|
||||
/* bbox */
|
||||
fprintf(out_h, "#define ENABLE_%s 1\n", sym->name);
|
||||
fprintf(out_h, "#define USE_%s(...) __VA_ARGS__\n", sym->name);
|
||||
fprintf(out_h, "#define SKIP_%s(...)\n", sym->name);
|
||||
}
|
||||
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);
|
||||
/* bbox */
|
||||
fprintf(out_h, "#define ENABLE_%s 1\n", sym->name);
|
||||
fprintf(out_h, "#define USE_%s(...) __VA_ARGS__\n", sym->name);
|
||||
fprintf(out_h, "#define SKIP_%s(...)\n", sym->name);
|
||||
}
|
||||
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 (out_h) {
|
||||
fclose(out_h);
|
||||
rename(".tmpconfig.h", "include/autoconf.h");
|
||||
}
|
||||
if (!name || basename != conf_def_filename) {
|
||||
if (!name)
|
||||
name = conf_def_filename;
|
||||
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;
|
||||
}
|
||||
Reference in New Issue
Block a user