[PATCH] new kernel configuration 2/7

This adds the new kernel config core (library + the three front ends).

scripts/kconfig/Makefile

+#################
+#
+# Shared Makefile for the various lkc executables:
+# conf:	  Used for defconfig, oldconfig and related targets
+# mconf:  Used for the mconfig target.
+#         Utilizes the lxdialog package
+# qconf:  Used for the xconfig target
+#         Based on QT which needs to be installed to compile it
+#
+
+# object files used by all lkc flavours
+libkconfig-objs := zconf.tab.o
+
+host-progs	:= conf mconf qconf
+conf-objs	:= conf.o  libkconfig.so
+mconf-objs	:= mconf.o libkconfig.so
+
+qconf-objs	:= kconfig_load.o
+qconf-cxxobjs	:= qconf.o
+
+clean-files	:= libkconfig.so lkc_defs.h qconf.moc .tmp_qtcheck \
+		   zconf.tab.c zconf.tab.h lex.zconf.c
+
+include $(TOPDIR)/Rules.make
+
+# generated files seem to need this to find local include files
+HOSTCFLAGS_lex.zconf.o	:= -I$(src)
+HOSTCFLAGS_zconf.tab.o	:= -I$(src)
+
+HOSTLOADLIBES_qconf	= -L$(QTDIR)/lib -Wl,-rpath,$(QTDIR)/lib -l$(QTLIB) -ldl
+HOSTCXXFLAGS_qconf.o	= -I$(QTDIR)/include 
+
+$(obj)/conf.o $(obj)/mconf.o $(obj)/qconf.o: $(obj)/zconf.tab.h
+
+$(obj)/qconf.o: $(obj)/.tmp_qtcheck
+
+-include $(obj)/.tmp_qtcheck
+
+# QT needs some extra effort...
+$(obj)/.tmp_qtcheck:
+	@set -e; for d in $$QTDIR /usr/share/qt /usr/lib/qt3; do \
+	  if [ -x $$d/bin/moc ]; then DIR=$$d; break; fi; \
+	done; \
+	if [ -z "$$DIR" ]; then \
+	  echo "*"; \
+	  echo "* Unable to find the QT installation. Please make sure that the"; \
+	  echo "* QT development package is correctly installed and the QTDIR"; \
+	  echo "* environment variable is set to the correct location."; \
+	  echo "*"; \
+	  false; \
+	fi; \
+	LIB=qt; \
+	if [ -f $$DIR/lib/libqt-mt.so ]; then LIB=qt-mt; fi; \
+	echo "QTDIR=$$DIR" > $@; echo "QTLIB=$$LIB" >> $@
+
+$(obj)/zconf.tab.o: $(obj)/lex.zconf.c
+
+$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
+
+$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
+
+$(obj)/%.moc: $(src)/%.h
+	$(QTDIR)/bin/moc -i $< -o $@
+
+$(obj)/lkc_defs.h: $(src)/lkc_proto.h
+	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
+
+
+###
+# The following requires flex/bison
+# By default we use the _shipped versions, uncomment the following line if
+# you are modifying the flex/bison src.
+# LKC_GENPARSER := 1
+
+ifdef LKC_GENPARSER
+
+$(obj)/zconf.tab.c: $(obj)/zconf.y 
+$(obj)/zconf.tab.h: $(obj)/zconf.tab.c
+
+%.tab.c: %.y
+	bison -t -d -v -b $* -p $(notdir $*) $<
+
+lex.%.c: %.l
+	flex -P$(notdir $*) -o$@ $<
+
+endif

scripts/kconfig/confdata.c

+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ * Released under the terms of the GNU GPL v2.0.
+ */
+
+#include <ctype.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define LKC_DIRECT_LINK
+#include "lkc.h"
+
+const char conf_def_filename[] = ".config";
+char conf_filename[PATH_MAX+1];
+
+const char conf_defname[] = "arch/$ARCH/defconfig";
+
+const char *conf_confnames[] = {
+	".config",
+	"/lib/modules/$UNAME_RELEASE/.config",
+	"/etc/kernel-config",
+	"/boot/config-$UNAME_RELEASE",
+	conf_defname,
+	NULL,
+};
+
+static char *conf_expand_value(const char *in)
+{
+	struct symbol *sym;
+	const char *src;
+	static char res_value[SYMBOL_MAXLENGTH];
+	char *dst, name[SYMBOL_MAXLENGTH];
+
+	res_value[0] = 0;
+	dst = name;
+	while ((src = strchr(in, '$'))) {
+		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)
+{
+	return conf_expand_value(conf_defname);
+}
+
+int conf_read(const char *name)
+{
+	FILE *in = NULL;
+	char line[128];
+	char *p, *p2;
+	int lineno = 0;
+	struct symbol *sym;
+	struct property *prop;
+	struct expr *e;
+	int i;
+
+	if (name) {
+		in = fopen(name, "r");
+		if (in)
+			strcpy(conf_filename, name);
+	} else {
+		const char **names = conf_confnames;
+		while ((name = *names++)) {
+			name = conf_expand_value(name);
+			in = fopen(name, "r");
+			if (in) {
+				printf("#\n"
+				       "# using defaults found in %s\n"
+				       "#\n", name);
+				break;
+			}
+		}
+	}
+
+	if (!in)
+		return 1;
+
+	for_all_symbols(i, sym) {
+		sym->flags |= SYMBOL_NEW;
+		switch (sym->type) {
+		case S_INT:
+		case S_HEX:
+		case S_STRING:
+			if (S_VAL(sym->def)) {
+				free(S_VAL(sym->def));
+				S_VAL(sym->def) = NULL;
+			}
+		default:
+			;
+		}
+	}
+
+	while (fgets(line, 128, in)) {
+		lineno++;
+		switch (line[0]) {
+		case '#':
+			if (memcmp(line + 2, "CONFIG_", 7))
+				continue;
+			p = strchr(line + 9, ' ');
+			if (!p)
+				continue;
+			*p++ = 0;
+			if (strncmp(p, "is not set", 10))
+				continue;
+			//printf("%s -> n\n", line + 9);
+			sym = sym_lookup(line + 9, 0);
+			switch (sym->type) {
+			case S_BOOLEAN:
+			case S_TRISTATE:
+				sym->def = symbol_no.curr;
+				sym->flags &= ~SYMBOL_NEW;
+				break;
+			default:
+				;
+			}
+			break;
+		case 'C':
+			if (memcmp(line, "CONFIG_", 7))
+				continue;
+			p = strchr(line + 7, '=');
+			if (!p)
+				continue;
+			*p++ = 0;
+			p2 = strchr(p, '\n');
+			if (p2)
+				*p2 = 0;
+			//printf("%s -> %s\n", line + 7, p);
+			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_BOOLEAN:
+				sym->def = symbol_yes.curr;
+				sym->flags &= ~SYMBOL_NEW;
+				break;
+			case S_TRISTATE:
+				if (p[0] == 'm')
+					sym->def = symbol_mod.curr;
+				else
+					sym->def = symbol_yes.curr;
+				sym->flags &= ~SYMBOL_NEW;
+				break;
+			case S_STRING:
+				if (*p++ != '"')
+					break;
+				for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
+					if (*p2 == '"') {
+						*p2 = 0;
+						break;
+					}
+					memmove(p2, p2 + 1, strlen(p2));
+				}
+			case S_INT:
+			case S_HEX:
+				if (sym_string_valid(sym, p)) {
+					S_VAL(sym->def) = strdup(p);
+					sym->flags &= ~SYMBOL_NEW;
+				} else
+					fprintf(stderr, "%s:%d:symbol value '%s' invalid for %s\n", name, lineno, p, sym->name);
+				break;
+			default:
+				;
+			}
+			if (sym_is_choice_value(sym)) {
+				prop = sym_get_choice_prop(sym);
+				switch (S_TRI(sym->def)) {
+				case mod:
+					if (S_TRI(prop->def->def) == yes)
+						/* warn? */;
+					break;
+				case yes:
+					if (S_TRI(prop->def->def) != no)
+						/* warn? */;
+					S_VAL(prop->def->def) = sym;
+					break;
+				case no:
+					break;
+				}
+				S_TRI(prop->def->def) = S_TRI(sym->def);
+			}
+			break;
+		case '\n':
+			break;
+		default:
+			continue;
+		}
+	}
+	fclose(in);
+
+	for_all_symbols(i, sym) {
+		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)
+			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];
+	int type, l;
+	const char *str;
+
+	out = fopen(".tmpconfig", "w");
+	if (!out)
+		return 1;
+	out_h = fopen(".tmpconfig.h", "w");
+	if (!out_h)
+		return 1;
+	fprintf(out, "#\n"
+		     "# Automatically generated make config: don't edit\n"
+		     "#\n");
+	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();
+
+	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);
+			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)
+					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);
+					fprintf(out_h, "#undef CONFIG_%s\n", sym->name);
+					break;
+				case mod:
+					fprintf(out, "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);
+					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);
+				fprintf(out_h, "#define CONFIG_%s \"", sym->name);
+				do {
+					l = strcspn(str, "\"\\");
+					if (l) {
+						fwrite(str, l, 1, out);
+						fwrite(str, l, 1, out_h);
+					}
+					str += l;
+					while (*str == '\\' || *str == '"') {
+						fprintf(out, "\\%c", *str);
+						fprintf(out_h, "\\%c", *str);
+						str++;
+					}
+				} while (*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_%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;
+			}
+		}
+
+	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);
+	fclose(out_h);
+
+	if (!name) {
+		rename(".tmpconfig.h", "include/linux/autoconf.h");
+		name = conf_def_filename;
+		file_write_dep(NULL);
+	} else
+		unlink(".tmpconfig.h");
+
+	sprintf(oldname, "%s.old", name);
+	rename(name, oldname);
+	if (rename(".tmpconfig", name))
+		return 1;
+	strcpy(conf_filename, name);
+
+	sym_change_count = 0;
+
+	return 0;
+}

scripts/kconfig/expr.h

+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ * Released under the terms of the GNU GPL v2.0.
+ */
+
+#ifndef EXPR_H
+#define EXPR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+#ifndef __cplusplus
+#include <stdbool.h>
+#endif
+
+struct file {
+	struct file *next;
+	struct file *parent;
+#ifdef CML1
+	struct statement *stmt;
+	struct statement *last_stmt;
+#endif
+	char *name;
+	int lineno;
+	int flags;
+};
+
+#define FILE_BUSY		0x0001
+#define FILE_SCANNED		0x0002
+#define FILE_PRINTED		0x0004
+
+typedef enum tristate {
+	no, mod, yes
+} tristate;
+
+enum expr_type {
+	E_NONE, E_OR, E_AND, E_NOT, E_EQUAL, E_UNEQUAL, E_CHOICE, E_SYMBOL
+};
+
+union expr_data {
+	struct expr *expr;
+	struct symbol *sym;
+};
+
+struct expr {
+#ifdef CML1
+	int token;
+#else
+	enum expr_type type;
+#endif
+	union expr_data left, right;
+};
+
+#define E_TRI(ev)	((ev).tri)
+#define E_EXPR(ev)	((ev).expr)
+#define E_CALC(ev)	(E_TRI(ev) = expr_calc_value(E_EXPR(ev)))
+
+#define E_OR(dep1, dep2)	(((dep1)>(dep2))?(dep1):(dep2))
+#define E_AND(dep1, dep2)	(((dep1)<(dep2))?(dep1):(dep2))
+#define E_NOT(dep)		(2-(dep))
+
+struct expr_value {
+	struct expr *expr;
+	tristate tri;
+};
+
+#define S_VAL(sv)	((sv).value)
+#define S_TRI(sv)	((sv).tri)
+#define S_EQ(sv1, sv2)	(S_VAL(sv1) == S_VAL(sv2) || !strcmp(S_VAL(sv1), S_VAL(sv2)))
+
+struct symbol_value {
+	void *value;
+	tristate tri;
+};
+
+enum symbol_type {
+	S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING, S_OTHER
+};
+
+struct symbol {
+	struct symbol *next;
+	char *name;
+	char *help;
+#ifdef CML1
+	int type;
+#else
+	enum symbol_type type;
+#endif
+	struct symbol_value curr, def;
+	tristate visible;
+	int flags;
+	struct property *prop;
+	struct expr *dep, *dep2;
+	struct menu *menu;
+};
+
+#define for_all_symbols(i, sym) for (i = 0; i < 257; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER)
+
+#ifdef CML1
+#define SYMBOL_UNKNOWN		S_UNKNOWN
+#define SYMBOL_BOOLEAN		S_BOOLEAN
+#define SYMBOL_TRISTATE		S_TRISTATE
+#define SYMBOL_INT		S_INT
+#define SYMBOL_HEX		S_HEX
+#define SYMBOL_STRING		S_STRING
+#define SYMBOL_OTHER		S_OTHER
+#endif
+
+#define SYMBOL_YES		0x0001
+#define SYMBOL_MOD		0x0002
+#define SYMBOL_NO		0x0004
+#define SYMBOL_CONST		0x0007
+#define SYMBOL_CHECK		0x0008
+#define SYMBOL_CHOICE		0x0010
+#define SYMBOL_CHOICEVAL	0x0020
+#define SYMBOL_PRINTED		0x0040
+#define SYMBOL_VALID		0x0080
+#define SYMBOL_OPTIONAL		0x0100
+#define SYMBOL_WRITE		0x0200
+#define SYMBOL_CHANGED		0x0400
+#define SYMBOL_NEW		0x0800
+#define SYMBOL_AUTO		0x1000
+
+#define SYMBOL_MAXLENGTH	256
+#define SYMBOL_HASHSIZE		257
+#define SYMBOL_HASHMASK		0xff
+
+enum prop_type {
+	P_UNKNOWN, P_PROMPT, P_COMMENT, P_MENU, P_ROOTMENU, P_DEFAULT, P_CHOICE
+};
+
+struct property {
+	struct property *next;
+	struct symbol *sym;
+#ifdef CML1
+	int token;
+#else
+	enum prop_type type;
+#endif
+	const char *text;
+	struct symbol *def;
+	struct expr_value visible;
+	struct expr *dep;
+	struct expr *dep2;
+	struct menu *menu;
+	struct file *file;
+	int lineno;
+#ifdef CML1
+	struct property *next_pos;
+#endif
+};
+
+#define for_all_properties(sym, st, tok) \
+	for (st = sym->prop; st; st = st->next) \
+		if (st->type == (tok))
+#define for_all_prompts(sym, st) for_all_properties(sym, st, P_PROMPT)
+#define for_all_defaults(sym, st) for_all_properties(sym, st, P_DEFAULT)
+#define for_all_choices(sym, st) for_all_properties(sym, st, P_CHOICE)
+
+struct menu {
+	struct menu *next;
+	struct menu *parent;
+	struct menu *list;
+	struct symbol *sym;
+	struct property *prompt;
+	struct expr *dep;
+	//char *help;
+	struct file *file;
+	int lineno;
+	//void *data;
+};
+
+#ifndef SWIG
+
+extern struct file *file_list;
+extern struct file *current_file;
+struct file *lookup_file(const char *name);
+
+extern struct symbol symbol_yes, symbol_no, symbol_mod;
+extern struct symbol *modules_sym;
+extern int cdebug;
+extern int print_type;
+struct expr *expr_alloc_symbol(struct symbol *sym);
+#ifdef CML1
+struct expr *expr_alloc_one(int token, struct expr *ce);
+struct expr *expr_alloc_two(int token, struct expr *e1, struct expr *e2);
+struct expr *expr_alloc_comp(int token, struct symbol *s1, struct symbol *s2);
+#else
+struct expr *expr_alloc_one(enum expr_type type, struct expr *ce);
+struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e2);
+struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2);
+#endif
+struct expr *expr_alloc_and(struct expr *e1, struct expr *e2);
+struct expr *expr_copy(struct expr *org);
+void expr_free(struct expr *e);
+int expr_eq(struct expr *e1, struct expr *e2);
+void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
+tristate expr_calc_value(struct expr *e);
+struct expr *expr_eliminate_yn(struct expr *e);
+struct expr *expr_trans_bool(struct expr *e);
+struct expr *expr_eliminate_dups(struct expr *e);
+struct expr *expr_transform(struct expr *e);
+int expr_contains_symbol(struct expr *dep, struct symbol *sym);
+bool expr_depends_symbol(struct expr *dep, struct symbol *sym);
+struct expr *expr_extract_eq_and(struct expr **ep1, struct expr **ep2);
+struct expr *expr_extract_eq_or(struct expr **ep1, struct expr **ep2);
+void expr_extract_eq(enum expr_type type, struct expr **ep, struct expr **ep1, struct expr **ep2);
+struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym);
+
+void expr_fprint(struct expr *e, FILE *out);
+void print_expr(int mask, struct expr *e, int prevtoken);
+
+#ifdef CML1
+static inline int expr_is_yes(struct expr *e)
+{
+	return !e || (e->token == WORD && e->left.sym == &symbol_yes);
+}
+
+static inline int expr_is_no(struct expr *e)
+{
+	return e && (e->token == WORD && e->left.sym == &symbol_no);
+}
+#else
+static inline int expr_is_yes(struct expr *e)
+{
+	return !e || (e->type == E_SYMBOL && e->left.sym == &symbol_yes);
+}
+
+static inline int expr_is_no(struct expr *e)
+{
+	return e && (e->type == E_SYMBOL && e->left.sym == &symbol_no);
+}
+#endif
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* EXPR_H */

scripts/kconfig/images.c

+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ * Released under the terms of the GNU GPL v2.0.
+ */
+
+static const char *xpm_load[] = {
+"22 22 5 1",
+". c None",
+"# c #000000",
+"c c #838100",
+"a c #ffff00",
+"b c #ffffff",
+"......................",
+"......................",
+"......................",
+"............####....#.",
+"...........#....##.##.",
+"..................###.",
+".................####.",
+".####...........#####.",
+"#abab##########.......",
+"#babababababab#.......",
+"#ababababababa#.......",
+"#babababababab#.......",
+"#ababab###############",
+"#babab##cccccccccccc##",
+"#abab##cccccccccccc##.",
+"#bab##cccccccccccc##..",
+"#ab##cccccccccccc##...",
+"#b##cccccccccccc##....",
+"###cccccccccccc##.....",
+"##cccccccccccc##......",
+"###############.......",
+"......................"};
+
+static const char *xpm_save[] = {
+"22 22 5 1",
+". c None",
+"# c #000000",
+"a c #838100",
+"b c #c5c2c5",
+"c c #cdb6d5",
+"......................",
+".####################.",
+".#aa#bbbbbbbbbbbb#bb#.",
+".#aa#bbbbbbbbbbbb#bb#.",
+".#aa#bbbbbbbbbcbb####.",
+".#aa#bbbccbbbbbbb#aa#.",
+".#aa#bbbccbbbbbbb#aa#.",
+".#aa#bbbbbbbbbbbb#aa#.",
+".#aa#bbbbbbbbbbbb#aa#.",
+".#aa#bbbbbbbbbbbb#aa#.",
+".#aa#bbbbbbbbbbbb#aa#.",
+".#aaa############aaa#.",
+".#aaaaaaaaaaaaaaaaaa#.",
+".#aaaaaaaaaaaaaaaaaa#.",
+".#aaa#############aa#.",
+".#aaa#########bbb#aa#.",
+".#aaa#########bbb#aa#.",
+".#aaa#########bbb#aa#.",
+".#aaa#########bbb#aa#.",
+".#aaa#########bbb#aa#.",
+"..##################..",
+"......................"};
+
+static const char *xpm_back[] = {
+"22 22 3 1",
+". c None",
+"# c #000083",
+"a c #838183",
+"......................",
+"......................",
+"......................",
+"......................",
+"......................",
+"...........######a....",
+"..#......##########...",
+"..##...####......##a..",
+"..###.###.........##..",
+"..######..........##..",
+"..#####...........##..",
+"..######..........##..",
+"..#######.........##..",
+"..########.......##a..",
+"...............a###...",
+"...............###....",
+"......................",
+"......................",
+"......................",
+"......................",
+"......................",
+"......................"};
+
+static const char *xpm_tree_view[] = {
+"22 22 2 1",
+". c None",
+"# c #000000",
+"......................",
+"......................",
+"......#...............",
+"......#...............",
+"......#...............",
+"......#...............",
+"......#...............",
+"......########........",
+"......#...............",
+"......#...............",
+"......#...............",
+"......#...............",
+"......#...............",
+"......########........",
+"......#...............",
+"......#...............",
+"......#...............",
+"......#...............",
+"......#...............",
+"......########........",
+"......................",
+"......................"};
+
+static const char *xpm_single_view[] = {
+"22 22 2 1",
+". c None",
+"# c #000000",
+"......................",
+"......................",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"..........#...........",
+"......................",
+"......................"};
+
+static const char *xpm_split_view[] = {
+"22 22 2 1",
+". c None",
+"# c #000000",
+"......................",
+"......................",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......#......#........",
+"......................",
+"......................"};
+
+static const char *xpm_symbol_no[] = {
+"12 12 2 1",
+"  c white",
+". c black",
+"            ",
+" .......... ",
+" .        . ",
+" .        . ",
+" .        . ",
+" .        . ",
+" .        . ",
+" .        . ",
+" .        . ",
+" .        . ",
+" .......... ",
+"            "};
+
+static const char *xpm_symbol_mod[] = {
+"12 12 2 1",
+"  c white",
+". c black",
+"            ",
+" .......... ",
+" .        . ",
+" .        . ",
+" .   ..   . ",
+" .  ....  . ",
+" .  ....  . ",
+" .   ..   . ",
+" .        . ",
+" .        . ",
+" .......... ",
+"            "};
+
+static const char *xpm_symbol_yes[] = {
+"12 12 2 1",
+"  c white",
+". c black",
+"            ",
+" .......... ",
+" .        . ",
+" .        . ",
+" .      . . ",
+" .     .. . ",
+" . .  ..  . ",
+" . ....   . ",
+" .  ..    . ",
+" .        . ",
+" .......... ",
+"            "};
+
+static const char *xpm_choice_no[] = {
+"12 12 2 1",
+"  c white",
+". c black",
+"            ",
+"    ....    ",
+"  ..    ..  ",
+"  .      .  ",
+" .        . ",
+" .        . ",
+" .        . ",
+" .        . ",
+"  .      .  ",
+"  ..    ..  ",
+"    ....    ",
+"            "};
+
+static const char *xpm_choice_yes[] = {
+"12 12 2 1",
+"  c white",
+". c black",
+"            ",
+"    ....    ",
+"  ..    ..  ",
+"  .      .  ",
+" .   ..   . ",
+" .  ....  . ",
+" .  ....  . ",
+" .   ..   . ",
+"  .      .  ",
+"  ..    ..  ",
+"    ....    ",
+"            "};
+
+static const char *xpm_menu[] = {
+"12 12 2 1",
+"  c white",
+". c black",
+"            ",
+" .......... ",
+" .        . ",
+" . ..     . ",
+" . ....   . ",
+" . ...... . ",
+" . ...... . ",
+" . ....   . ",
+" . ..     . ",
+" .        . ",
+" .......... ",
+"            "};
+
+static const char *xpm_menu_inv[] = {
+"12 12 2 1",
+"  c white",
+". c black",
+"            ",
+" .......... ",
+" .......... ",
+" ..  ...... ",
+" ..    .... ",
+" ..      .. ",
+" ..      .. ",
+" ..    .... ",
+" ..  ...... ",
+" .......... ",
+" .......... ",
+"            "};

scripts/kconfig/kconfig_load.c

+#include <dlfcn.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "lkc.h"
+
+#define P(name,type,arg)	type (*name ## _p) arg
+#include "lkc_proto.h"
+#undef P
+
+void kconfig_load(void)
+{
+	void *handle;
+	char *error;
+
+	handle = dlopen("./libkconfig.so", RTLD_LAZY);
+	if (!handle) {
+		handle = dlopen("./scripts/kconfig/libkconfig.so", RTLD_LAZY);
+		if (!handle) {
+			fprintf(stderr, "%s\n", dlerror());
+			exit(1);
+		}
+	}
+
+#define P(name,type,arg)			\
+{						\
+	name ## _p = dlsym(handle, #name);	\
+        if ((error = dlerror()))  {		\
+                fprintf(stderr, "%s\n", error);	\
+		exit(1);			\
+	}					\
+}
+#include "lkc_proto.h"
+#undef P
+}

scripts/kconfig/lkc.h

+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ * Released under the terms of the GNU GPL v2.0.
+ */
+
+#ifndef LKC_H
+#define LKC_H
+
+#include "expr.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef LKC_DIRECT_LINK
+#define P(name,type,arg)	extern type name arg
+#else
+#include "lkc_defs.h"
+#define P(name,type,arg)	extern type (*name ## _p) arg
+#endif
+#include "lkc_proto.h"
+#undef P
+
+void symbol_end(char *help);
+int zconfparse(void);
+void zconfdump(FILE *out);
+
+extern int zconfdebug;
+void zconf_starthelp(void);
+void zconf_initscan(const char *name);
+void zconf_nextfile(const char *name);
+int zconf_lineno(void);
+char *zconf_curname(void);
+
+/* confdata.c */
+extern const char conf_def_filename[];
+extern char conf_filename[];
+
+char *conf_get_default_confname(void);
+
+/* kconfig_load.c */
+void kconfig_load(void);
+
+/* menu.c */
+void menu_init(void);
+void menu_add_menu(void);
+void menu_end_menu(void);
+void menu_add_entry(struct symbol *sym);
+void menu_end_entry(void);
+struct property *create_prop(enum prop_type type);
+void menu_add_dep(struct expr *dep);
+struct property *menu_add_prop(int token, char *prompt, struct symbol *def, struct expr *dep);
+void menu_finalize(struct menu *parent);
+void menu_set_type(int type);
+struct file *file_lookup(const char *name);
+int file_write_dep(const char *name);
+
+extern struct menu *current_entry;
+extern struct menu *current_menu;
+
+/* symbol.c */
+void sym_init(void);
+void sym_clear_all_valid(void);
+
+static inline tristate sym_get_tristate_value(struct symbol *sym)
+{
+	return S_TRI(sym->curr);
+}
+
+
+static inline struct symbol *sym_get_choice_value(struct symbol *sym)
+{
+	return (struct symbol *)S_VAL(sym->curr);
+}
+
+static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
+{
+	return sym_set_tristate_value(chval, yes);
+}
+
+static inline bool sym_is_choice(struct symbol *sym)
+{
+	return sym->flags & SYMBOL_CHOICE ? true : false;
+}
+
+static inline bool sym_is_choice_value(struct symbol *sym)
+{
+	return sym->flags & SYMBOL_CHOICEVAL ? true : false;
+}
+
+static inline bool sym_is_optional(struct symbol *sym)
+{
+	return sym->flags & SYMBOL_OPTIONAL ? true : false;
+}
+
+static inline bool sym_has_value(struct symbol *sym)
+{
+	//return S_VAL(sym->def) != NULL;
+	return sym->flags & SYMBOL_NEW ? false : true;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LKC_H */

scripts/kconfig/lkc_proto.h

+
+/* confdata.c */
+P(conf_parse,void,(const char *name));
+P(conf_read,int,(const char *name));
+P(conf_write,int,(const char *name));
+
+/* menu.c */
+P(rootmenu,struct menu,);
+
+P(menu_is_visible,bool,(struct menu *menu));
+P(menu_get_prompt,const char *,(struct menu *menu));
+P(menu_get_root_menu,struct menu *,(struct menu *menu));
+P(menu_get_parent_menu,struct menu *,(struct menu *menu));
+
+/* symbol.c */
+P(symbol_hash,struct symbol *,[SYMBOL_HASHSIZE]);
+P(sym_change_count,int,);
+
+P(sym_lookup,struct symbol *,(const char *name, int isconst));
+P(sym_find,struct symbol *,(const char *name));
+P(sym_type_name,const char *,(int type));
+P(sym_calc_value,void,(struct symbol *sym));
+P(sym_get_type,int,(struct symbol *sym));
+P(sym_tristate_within_range,bool,(struct symbol *sym,tristate tri));
+P(sym_set_tristate_value,bool,(struct symbol *sym,tristate tri));
+P(sym_toggle_tristate_value,tristate,(struct symbol *sym));
+P(sym_string_valid,bool,(struct symbol *sym, const char *newval));
+P(sym_set_string_value,bool,(struct symbol *sym, const char *newval));
+P(sym_is_changable,bool,(struct symbol *sym));
+P(sym_get_choice_prop,struct property *,(struct symbol *sym));
+P(sym_get_default_prop,struct property *,(struct symbol *sym));
+P(sym_get_string_value,const char *,(struct symbol *sym));
+
+P(prop_get_type_name,const char *,(enum prop_type type));
+
+/* expr.c */
+P(expr_compare_type,int,(enum expr_type t1, enum expr_type t2));
+P(expr_print,void,(struct expr *e, void (*fn)(void *, const char *), void *data, int prevtoken));

scripts/kconfig/menu.c

+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ * Released under the terms of the GNU GPL v2.0.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#define LKC_DIRECT_LINK
+#include "lkc.h"
+
+struct menu rootmenu;
+struct menu *current_menu, *current_entry;
+static struct menu **last_entry_ptr;
+
+struct file *file_list;
+struct file *current_file;
+
+void menu_init(void)
+{
+	current_entry = current_menu = &rootmenu;
+	last_entry_ptr = &rootmenu.list;
+}
+
+void menu_add_entry(struct symbol *sym)
+{
+	struct menu *menu;
+
+	menu = malloc(sizeof(*menu));
+	memset(menu, 0, sizeof(*menu));
+	menu->sym = sym;
+	menu->parent = current_menu;
+	menu->file = current_file;
+	menu->lineno = zconf_lineno();
+
+	*last_entry_ptr = menu;
+	last_entry_ptr = &menu->next;
+	current_entry = menu;
+}
+
+void menu_end_entry(void)
+{
+}
+
+void menu_add_menu(void)
+{
+	current_menu = current_entry;
+	last_entry_ptr = &current_entry->list;
+}
+
+void menu_end_menu(void)
+{
+	last_entry_ptr = &current_menu->next;
+	current_menu = current_menu->parent;
+}
+
+void menu_add_dep(struct expr *dep)
+{
+	current_entry->dep = expr_alloc_and(current_entry->dep, dep);
+}
+
+void menu_set_type(int type)
+{
+	struct symbol *sym = current_entry->sym;
+
+	if (sym->type == type)
+		return;
+	if (sym->type == S_UNKNOWN) {
+		sym->type = type;
+		return;
+	}
+	fprintf(stderr, "%s:%d: type of '%s' redefined from '%s' to '%s'\n",
+		current_entry->file->name, current_entry->lineno,
+		sym->name ? sym->name : "<choice>", sym_type_name(sym->type), sym_type_name(type));
+}
+
+struct property *create_prop(enum prop_type type)
+{
+	struct property *prop;
+
+	prop = malloc(sizeof(*prop));
+	memset(prop, 0, sizeof(*prop));
+	prop->type = type;
+	prop->file = current_file;
+	prop->lineno = zconf_lineno();
+
+	return prop;
+}
+
+struct property *menu_add_prop(int token, char *prompt, struct symbol *def, struct expr *dep)
+{
+	struct property *prop = create_prop(token);
+	struct property **propp;
+
+	prop->sym = current_entry->sym;
+	prop->menu = current_entry;
+	prop->text = prompt;
+	prop->def = def;
+	E_EXPR(prop->visible) = dep;
+
+	if (prompt)
+		current_entry->prompt = prop;
+
+	/* append property to the prop list of symbol */
+	if (prop->sym) {
+		for (propp = &prop->sym->prop; *propp; propp = &(*propp)->next)
+			;
+		*propp = prop;
+	}
+
+	return prop;
+}
+
+void menu_add_prompt(int token, char *prompt, struct expr *dep)
+{
+	current_entry->prompt = menu_add_prop(token, prompt, NULL, dep);
+}
+
+void menu_add_default(int token, struct symbol *def, struct expr *dep)
+{
+	current_entry->prompt = menu_add_prop(token, NULL, def, dep);
+}
+
+void menu_finalize(struct menu *parent)
+{
+	struct menu *menu, *last_menu;
+	struct symbol *sym;
+	struct property *prop;
+	struct expr *parentdep, *basedep, *dep, *dep2;
+
+	sym = parent->sym;
+	if (parent->list) {
+		if (sym && sym_is_choice(sym)) {
+			/* find the first choice value and find out choice type */
+			for (menu = parent->list; menu; menu = menu->next) {
+				if (menu->sym) {
+					current_entry = parent;
+					menu_set_type(menu->sym->type);
+					current_entry = menu;
+					menu_set_type(sym->type);
+					break;
+				}
+			}
+			parentdep = expr_alloc_symbol(sym);
+		} else if (parent->prompt)
+			parentdep = E_EXPR(parent->prompt->visible);
+		else
+			parentdep = parent->dep;
+
+		for (menu = parent->list; menu; menu = menu->next) {
+			basedep = expr_transform(menu->dep);
+			basedep = expr_alloc_and(expr_copy(parentdep), basedep);
+			basedep = expr_eliminate_dups(basedep);
+			menu->dep = basedep;
+			if (menu->sym)
+				prop = menu->sym->prop;
+			else
+				prop = menu->prompt;
+			for (; prop; prop = prop->next) {
+				if (prop->menu != menu)
+					continue;
+				dep = expr_transform(E_EXPR(prop->visible));
+				dep = expr_alloc_and(expr_copy(basedep), dep);
+				dep = expr_eliminate_dups(dep);
+				if (menu->sym && menu->sym->type != S_TRISTATE)
+					dep = expr_trans_bool(dep);
+				E_EXPR(prop->visible) = dep;
+			}
+		}
+		for (menu = parent->list; menu; menu = menu->next)
+			menu_finalize(menu);
+	} else if (sym && parent->prompt) {
+		basedep = E_EXPR(parent->prompt->visible);
+		basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
+		basedep = expr_eliminate_dups(expr_transform(basedep));
+		last_menu = NULL;
+		for (menu = parent->next; menu; menu = menu->next) {
+			dep = menu->prompt ? E_EXPR(menu->prompt->visible) : menu->dep;
+			if (!expr_contains_symbol(dep, sym))
+				break;
+			if (expr_depends_symbol(dep, sym))
+				goto next;
+			dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
+			dep = expr_eliminate_dups(expr_transform(dep));
+			dep2 = expr_copy(basedep);
+			expr_eliminate_eq(&dep, &dep2);
+			expr_free(dep);
+			if (!expr_is_yes(dep2)) {
+				expr_free(dep2);
+				break;
+			}
+			expr_free(dep2);
+		next:
+			menu_finalize(menu);
+			menu->parent = parent;
+			last_menu = menu;
+		}
+		if (last_menu) {
+			parent->list = parent->next;
+			parent->next = last_menu->next;
+			last_menu->next = NULL;
+		}
+	}
+	for (menu = parent->list; menu; menu = menu->next) {
+		if (sym && sym_is_choice(sym) && menu->sym) {
+			menu->sym->flags |= SYMBOL_CHOICEVAL;
+			current_entry = menu;
+			menu_set_type(sym->type);
+			menu_add_prop(P_CHOICE, NULL, parent->sym, NULL);
+			prop = sym_get_choice_prop(parent->sym);
+			//dep = expr_alloc_one(E_CHOICE, dep);
+			//dep->right.sym = menu->sym;
+			prop->dep = expr_alloc_one(E_CHOICE, prop->dep);
+			prop->dep->right.sym = menu->sym;
+		}
+		if (menu->list && (!menu->prompt || !menu->prompt->text)) {
+			for (last_menu = menu->list; ; last_menu = last_menu->next) {
+				last_menu->parent = parent;
+				if (!last_menu->next)
+					break;
+			}
+			last_menu->next = menu->next;
+			menu->next = menu->list;
+			menu->list = NULL;
+		}
+	}
+}
+
+bool menu_is_visible(struct menu *menu)
+{
+	tristate visible;
+
+	if (!menu->prompt)
+		return false;
+	if (menu->sym) {
+		sym_calc_value(menu->sym);
+		visible = E_TRI(menu->prompt->visible);
+	} else
+		visible = E_CALC(menu->prompt->visible);
+	return visible != no;
+}
+
+const char *menu_get_prompt(struct menu *menu)
+{
+	if (menu->prompt)
+		return menu->prompt->text;
+	else if (menu->sym)
+		return menu->sym->name;
+	return NULL;
+}
+
+struct menu *menu_get_root_menu(struct menu *menu)
+{
+	return &rootmenu;
+}
+
+struct menu *menu_get_parent_menu(struct menu *menu)
+{
+	enum prop_type type;
+
+	while (menu != &rootmenu) {
+		menu = menu->parent;
+		type = menu->prompt ? menu->prompt->type : 0;
+		if (type == P_MENU || type == P_ROOTMENU)
+			break;
+	}
+	return menu;
+}
+
+struct file *file_lookup(const char *name)
+{
+	struct file *file;
+
+	for (file = file_list; file; file = file->next) {
+		if (!strcmp(name, file->name))
+			return file;
+	}
+
+	file = malloc(sizeof(*file));
+	memset(file, 0, sizeof(*file));
+	file->name = strdup(name);
+	file->next = file_list;
+	file_list = file;
+	return file;
+}
+
+int file_write_dep(const char *name)
+{
+	struct file *file;
+	FILE *out;
+
+	if (!name)
+		name = "..config.cmd";
+	out = fopen("..config.tmp", "w");
+	if (!out)
+		return 1;
+	fprintf(out, "deps_config := \\\n");
+	for (file = file_list; file; file = file->next) {
+		if (file->next)
+			fprintf(out, "\t%s \\\n", file->name);
+		else
+			fprintf(out, "\t%s\n", file->name);
+	}
+	fprintf(out, "\n.config include/linux/autoconf.h: $(deps_config)\n\n$(deps_config):\n");
+	fclose(out);
+	rename("..config.tmp", name);
+	return 0;
+}
+

scripts/kconfig/zconf.tab.h_shipped

+#ifndef BISON_ZCONF_TAB_H
+# define BISON_ZCONF_TAB_H
+
+#ifndef YYSTYPE
+typedef union
+{
+	int token;
+	char *string;
+	struct symbol *symbol;
+	struct expr *expr;
+	struct menu *menu;
+} yystype;
+# define YYSTYPE yystype
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+# define	T_MAINMENU	257
+# define	T_MENU	258
+# define	T_ENDMENU	259
+# define	T_SOURCE	260
+# define	T_CHOICE	261
+# define	T_ENDCHOICE	262
+# define	T_COMMENT	263
+# define	T_CONFIG	264
+# define	T_HELP	265
+# define	T_HELPTEXT	266
+# define	T_IF	267
+# define	T_ENDIF	268
+# define	T_DEPENDS	269
+# define	T_REQUIRES	270
+# define	T_OPTIONAL	271
+# define	T_PROMPT	272
+# define	T_DEFAULT	273
+# define	T_TRISTATE	274
+# define	T_BOOLEAN	275
+# define	T_INT	276
+# define	T_HEX	277
+# define	T_WORD	278
+# define	T_STRING	279
+# define	T_UNEQUAL	280
+# define	T_EOF	281
+# define	T_EOL	282
+# define	T_CLOSE_PAREN	283
+# define	T_OPEN_PAREN	284
+# define	T_ON	285
+# define	T_OR	286
+# define	T_AND	287
+# define	T_EQUAL	288
+# define	T_NOT	289
+
+
+extern YYSTYPE zconflval;
+
+#endif /* not BISON_ZCONF_TAB_H */