1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1980, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	@(#)config.h	8.1 (Berkeley) 6/6/93
32 * $FreeBSD$
33 */
34
35/*
36 * Config.
37 */
38#include <sys/types.h>
39#include <sys/queue.h>
40#include <stdbool.h>
41#include <stdlib.h>
42#include <string.h>
43
44struct cfgfile {
45	STAILQ_ENTRY(cfgfile)	cfg_next;
46	char	*cfg_path;
47};
48extern STAILQ_HEAD(cfgfile_head, cfgfile) cfgfiles;
49
50struct file_list {
51	STAILQ_ENTRY(file_list) f_next;
52	char	*f_fn;			/* the name */
53	int     f_type;                 /* type */
54	u_char	f_flags;		/* see below */
55	char	*f_compilewith;		/* special make rule if present */
56	char	*f_depends;		/* additional dependencies */
57	char	*f_clean;		/* File list to add to clean rule */
58	char	*f_warn;		/* warning message */
59	const char *f_objprefix;	/* prefix string for object name */
60	const char *f_srcprefix;	/* source prefix such as $S/ */
61};
62
63struct files_name {
64	char *f_name;
65	STAILQ_ENTRY(files_name) f_next;
66};
67
68/*
69 * Types.
70 */
71#define NORMAL		1
72#define	PROFILING	3
73#define NODEPEND	4
74#define LOCAL		5
75#define DEVDONE		0x80000000
76#define TYPEMASK	0x7fffffff
77
78/*
79 * Attributes (flags).
80 */
81#define NO_IMPLCT_RULE	1
82#define NO_OBJ		2
83#define BEFORE_DEPEND	4
84#define NOWERROR	16
85#define NO_CTFCONVERT	32
86
87struct device {
88	int	d_done;			/* processed */
89	char	*d_name;		/* name of device (e.g. rk11) */
90	char	*yyfile;		/* name of the file that first include the device */
91#define	UNKNOWN -2	/* -2 means not set yet */
92	STAILQ_ENTRY(device) d_next;	/* Next one in list */
93};
94
95struct config {
96	char	*s_sysname;
97};
98
99/*
100 * Config has a global notion of which machine type is
101 * being used.  It uses the name of the machine in choosing
102 * files and directories.  Thus if the name of the machine is ``i386'',
103 * it will build from ``Makefile.i386'' and use ``../i386/inline''
104 * in the makerules, etc.  machinearch is the global notion of the
105 * MACHINE_ARCH for this MACHINE.
106 */
107extern char	*machinename;
108extern char	*machinearch;
109
110/*
111 * For each machine, a set of CPU's may be specified as supported.
112 * These and the options (below) are put in the C flags in the makefile.
113 */
114struct cputype {
115	char	*cpu_name;
116	SLIST_ENTRY(cputype) cpu_next;
117};
118
119extern SLIST_HEAD(cputype_head, cputype) cputype;
120
121/*
122 * A set of options may also be specified which are like CPU types,
123 * but which may also specify values for the options.
124 * A separate set of options may be defined for make-style options.
125 */
126struct opt {
127	char	*op_name;
128	char	*op_value;
129	int	op_ownfile;	/* true = own file, false = makefile */
130	char	*yyfile;	/* name of the file that first include the option */
131	SLIST_ENTRY(opt) op_next;
132	SLIST_ENTRY(opt) op_append;
133};
134
135extern SLIST_HEAD(opt_head, opt) opt, mkopt, rmopts;
136
137struct opt_list {
138	char *o_name;
139	char *o_file;
140	int o_flags;
141#define OL_ALIAS	1
142	SLIST_ENTRY(opt_list) o_next;
143};
144
145extern SLIST_HEAD(opt_list_head, opt_list) otab;
146
147struct envvar {
148	char	*env_str;
149	bool	env_is_file;
150	STAILQ_ENTRY(envvar) envvar_next;
151};
152
153extern STAILQ_HEAD(envvar_head, envvar) envvars;
154
155struct hint {
156	char	*hint_name;
157	STAILQ_ENTRY(hint) hint_next;
158};
159
160extern STAILQ_HEAD(hint_head, hint) hints;
161
162struct includepath {
163	char	*path;
164	SLIST_ENTRY(includepath) path_next;
165};
166
167extern SLIST_HEAD(includepath_head, includepath) includepath;
168
169/*
170 * Tag present in the kernconf.tmpl template file. It's mandatory for those
171 * two strings to be the same. Otherwise you'll get into trouble.
172 */
173#define	KERNCONFTAG	"%%KERNCONFFILE%%"
174
175/*
176 * Faked option to note, that the configuration file has been taken from the
177 * kernel file and inclusion of DEFAULTS etc.. isn't nessesery, because we
178 * already have a list of all required devices.
179 */
180#define OPT_AUTOGEN	"CONFIG_AUTOGENERATED"
181
182extern char	*ident;
183extern char	kernconfstr[];
184extern int	do_trace;
185extern int	incignore;
186
187char	*get_word(FILE *);
188char	*get_quoted_word(FILE *);
189char	*path(const char *);
190char	*raisestr(char *);
191void	remember(const char *);
192void	moveifchanged(const char *, const char *);
193int	yylex(void);
194void	options(void);
195void	makefile(void);
196void	makeenv(void);
197void	makehints(void);
198void	headers(void);
199void	cfgfile_add(const char *);
200void	cfgfile_removeall(void);
201FILE	*open_makefile_template(void);
202
203extern STAILQ_HEAD(device_head, device) dtab;
204
205extern char	errbuf[80];
206extern int	yyline;
207extern const	char *yyfile;
208
209extern STAILQ_HEAD(file_list_head, file_list) ftab;
210
211extern STAILQ_HEAD(files_name_head, files_name) fntab;
212
213extern int	profiling;
214extern int	debugging;
215extern int	found_defaults;
216
217extern int	maxusers;
218extern int	versreq;
219
220extern char *PREFIX;		/* Config file name - for error messages */
221extern char srcdir[];		/* root of the kernel source tree */
222
223#define eq(a,b)	(!strcmp(a,b))
224#define ns(s)	strdup(s)
225