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 32 /* 33 * Config. 34 */ 35 #include <sys/types.h> 36 #include <sys/queue.h> 37 #include <stdbool.h> 38 #include <stdlib.h> 39 #include <string.h> 40 41 #ifdef __cplusplus 42 #include <string> 43 44 class configword { 45 private: 46 std::string cw_word; 47 bool cw_eof; 48 bool cw_eol; 49 public: 50 configword() : cw_word(""), cw_eof(false), cw_eol(false) {} 51 configword(std::string &&word) : cw_word(word), cw_eof(false), cw_eol(false) {} 52 53 bool eof() const { 54 return (cw_eof); 55 } 56 57 bool eol() const { 58 return (cw_eol); 59 } 60 61 configword &eof(bool eof) { 62 cw_eof = eof; 63 return (*this); 64 } 65 66 configword &eol(bool eol) { 67 cw_eol = eol; 68 return (*this); 69 } 70 71 char operator[](int idx) { 72 return (cw_word[idx]); 73 } 74 75 operator const char*() const { 76 return (cw_word.c_str()); 77 } 78 79 const std::string &operator*() const { 80 return (cw_word); 81 } 82 83 const std::string *operator->() const { 84 return (&cw_word); 85 } 86 }; 87 88 /* 89 * Is it ugly to limit these to C++ files? Yes. 90 */ 91 configword get_word(FILE *); 92 configword get_quoted_word(FILE *); 93 #endif 94 95 __BEGIN_DECLS 96 97 struct cfgfile { 98 STAILQ_ENTRY(cfgfile) cfg_next; 99 char *cfg_path; 100 }; 101 extern STAILQ_HEAD(cfgfile_head, cfgfile) cfgfiles; 102 103 struct file_list { 104 STAILQ_ENTRY(file_list) f_next; 105 char *f_fn; /* the name */ 106 int f_type; /* type */ 107 u_char f_flags; /* see below */ 108 char *f_compilewith; /* special make rule if present */ 109 char *f_depends; /* additional dependencies */ 110 char *f_clean; /* File list to add to clean rule */ 111 char *f_warn; /* warning message */ 112 const char *f_objprefix; /* prefix string for object name */ 113 const char *f_srcprefix; /* source prefix such as $S/ */ 114 }; 115 116 struct files_name { 117 char *f_name; 118 STAILQ_ENTRY(files_name) f_next; 119 }; 120 121 /* 122 * Types. 123 */ 124 #define NORMAL 1 125 #define NODEPEND 4 126 #define LOCAL 5 127 #define DEVDONE 0x80000000 128 #define TYPEMASK 0x7fffffff 129 130 /* 131 * Attributes (flags). 132 */ 133 #define NO_IMPLCT_RULE 1 134 #define NO_OBJ 2 135 #define BEFORE_DEPEND 4 136 #define NOWERROR 16 137 #define NO_CTFCONVERT 32 138 139 struct device { 140 int d_done; /* processed */ 141 char *d_name; /* name of device (e.g. rk11) */ 142 char *yyfile; /* name of the file that first include the device */ 143 #define UNKNOWN -2 /* -2 means not set yet */ 144 STAILQ_ENTRY(device) d_next; /* Next one in list */ 145 }; 146 147 struct config { 148 char *s_sysname; 149 }; 150 151 /* 152 * Config has a global notion of which machine type is 153 * being used. It uses the name of the machine in choosing 154 * files and directories. Thus if the name of the machine is ``i386'', 155 * it will build from ``Makefile.i386'' and use ``../i386/inline'' 156 * in the makerules, etc. machinearch is the global notion of the 157 * MACHINE_ARCH for this MACHINE. 158 */ 159 extern char *machinename; 160 extern char *machinearch; 161 162 /* 163 * For each machine, a set of CPU's may be specified as supported. 164 * These and the options (below) are put in the C flags in the makefile. 165 */ 166 struct cputype { 167 char *cpu_name; 168 SLIST_ENTRY(cputype) cpu_next; 169 }; 170 171 extern SLIST_HEAD(cputype_head, cputype) cputype; 172 173 /* 174 * A set of options may also be specified which are like CPU types, 175 * but which may also specify values for the options. 176 * A separate set of options may be defined for make-style options. 177 */ 178 struct opt { 179 char *op_name; 180 char *op_value; 181 int op_ownfile; /* true = own file, false = makefile */ 182 char *yyfile; /* name of the file that first include the option */ 183 SLIST_ENTRY(opt) op_next; 184 SLIST_ENTRY(opt) op_append; 185 }; 186 187 extern SLIST_HEAD(opt_head, opt) opt, mkopt, rmopts; 188 189 struct opt_list { 190 char *o_name; 191 char *o_file; 192 int o_flags; 193 #define OL_ALIAS 1 194 SLIST_ENTRY(opt_list) o_next; 195 }; 196 197 extern SLIST_HEAD(opt_list_head, opt_list) otab; 198 199 struct envvar { 200 char *env_str; 201 bool env_is_file; 202 STAILQ_ENTRY(envvar) envvar_next; 203 }; 204 205 extern STAILQ_HEAD(envvar_head, envvar) envvars; 206 207 struct hint { 208 char *hint_name; 209 STAILQ_ENTRY(hint) hint_next; 210 }; 211 212 extern STAILQ_HEAD(hint_head, hint) hints; 213 214 struct includepath { 215 char *path; 216 SLIST_ENTRY(includepath) path_next; 217 }; 218 219 extern SLIST_HEAD(includepath_head, includepath) includepath; 220 221 /* 222 * Tag present in the kernconf.tmpl template file. It's mandatory for those 223 * two strings to be the same. Otherwise you'll get into trouble. 224 */ 225 #define KERNCONFTAG "%%KERNCONFFILE%%" 226 227 /* 228 * Faked option to note, that the configuration file has been taken from the 229 * kernel file and inclusion of DEFAULTS etc.. isn't nessesery, because we 230 * already have a list of all required devices. 231 */ 232 #define OPT_AUTOGEN "CONFIG_AUTOGENERATED" 233 234 extern char *ident; 235 extern char kernconfstr[]; 236 extern int do_trace; 237 extern int incignore; 238 239 char *path(const char *); 240 char *raisestr(char *); 241 void remember(const char *); 242 void moveifchanged(const char *, const char *); 243 int yylex(void); 244 int yyparse(void); 245 void options(void); 246 void makefile(void); 247 void makeenv(void); 248 void makehints(void); 249 void headers(void); 250 void cfgfile_add(const char *); 251 void cfgfile_removeall(void); 252 FILE *open_makefile_template(void); 253 254 extern STAILQ_HEAD(device_head, device) dtab; 255 256 extern char errbuf[80]; 257 extern int yyline; 258 extern const char *yyfile; 259 260 extern STAILQ_HEAD(file_list_head, file_list) ftab; 261 262 extern STAILQ_HEAD(files_name_head, files_name) fntab; 263 264 extern int debugging; 265 extern int found_defaults; 266 267 extern int maxusers; 268 extern int versreq; 269 270 extern char *PREFIX; /* Config file name - for error messages */ 271 extern char srcdir[]; /* root of the kernel source tree */ 272 273 __END_DECLS; 274 275 #define eq(a,b) (!strcmp(a,b)) 276 #define ns(s) strdup(s) 277