David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. |
| 3 | * |
David Gibson | 63dc9c7 | 2007-09-18 11:44:04 +1000 | [diff] [blame] | 4 | * |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as |
| 7 | * published by the Free Software Foundation; either version 2 of the |
| 8 | * License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
David Gibson | 63dc9c7 | 2007-09-18 11:44:04 +1000 | [diff] [blame] | 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 18 | * USA |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 19 | */ |
| 20 | |
David Gibson | 86dbcbd | 2005-10-19 16:00:31 +1000 | [diff] [blame] | 21 | %locations |
| 22 | |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 23 | %{ |
| 24 | #include "dtc.h" |
Jon Loeliger | e45e6fd | 2007-03-23 15:18:41 -0500 | [diff] [blame] | 25 | #include "srcpos.h" |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 26 | |
Jon Loeliger | 3948849 | 2007-02-16 09:33:54 -0600 | [diff] [blame] | 27 | int yylex(void); |
Jon Loeliger | 3948849 | 2007-02-16 09:33:54 -0600 | [diff] [blame] | 28 | cell_t cell_from_string(char *s, unsigned int base); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 29 | |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 30 | extern struct boot_info *the_boot_info; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 31 | |
| 32 | %} |
| 33 | |
| 34 | %union { |
| 35 | cell_t cval; |
Jon Loeliger | af0278a | 2007-02-15 10:59:27 -0600 | [diff] [blame] | 36 | unsigned int cbase; |
David Gibson | 03a9b9d | 2005-07-11 16:49:52 +1000 | [diff] [blame] | 37 | u8 byte; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 38 | char *str; |
| 39 | struct data data; |
| 40 | struct property *prop; |
| 41 | struct property *proplist; |
| 42 | struct node *node; |
| 43 | struct node *nodelist; |
| 44 | int datalen; |
| 45 | int hexlen; |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 46 | u64 addr; |
David Gibson | f040d95 | 2005-10-24 18:18:38 +1000 | [diff] [blame] | 47 | struct reserve_info *re; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 48 | } |
| 49 | |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 50 | %token DT_MEMRESERVE |
| 51 | %token <addr> DT_ADDR |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 52 | %token <str> DT_PROPNAME |
| 53 | %token <str> DT_NODENAME |
Jon Loeliger | af0278a | 2007-02-15 10:59:27 -0600 | [diff] [blame] | 54 | %token <cbase> DT_BASE |
| 55 | %token <str> DT_CELL |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 56 | %token <byte> DT_BYTE |
| 57 | %token <data> DT_STRING |
David Gibson | 4102d84 | 2005-06-16 14:36:37 +1000 | [diff] [blame] | 58 | %token <str> DT_LABEL |
David Gibson | 81f2e89 | 2005-06-16 17:04:00 +1000 | [diff] [blame] | 59 | %token <str> DT_REF |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 60 | |
| 61 | %type <data> propdata |
David Gibson | 32da475 | 2007-02-07 16:37:50 +1100 | [diff] [blame] | 62 | %type <data> propdataprefix |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 63 | %type <re> memreserve |
David Gibson | f040d95 | 2005-10-24 18:18:38 +1000 | [diff] [blame] | 64 | %type <re> memreserves |
Jon Loeliger | af0278a | 2007-02-15 10:59:27 -0600 | [diff] [blame] | 65 | %type <cbase> opt_cell_base |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 66 | %type <data> celllist |
| 67 | %type <data> bytestring |
| 68 | %type <prop> propdef |
| 69 | %type <proplist> proplist |
| 70 | |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 71 | %type <node> devicetree |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 72 | %type <node> nodedef |
| 73 | %type <node> subnode |
| 74 | %type <nodelist> subnodes |
David Gibson | 4102d84 | 2005-06-16 14:36:37 +1000 | [diff] [blame] | 75 | %type <str> label |
| 76 | %type <str> nodename |
| 77 | |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 78 | %% |
| 79 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 80 | sourcefile: |
| 81 | memreserves devicetree |
| 82 | { |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 83 | the_boot_info = build_boot_info($1, $2); |
| 84 | } |
| 85 | ; |
| 86 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 87 | memreserves: |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 88 | /* empty */ |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 89 | { |
David Gibson | f040d95 | 2005-10-24 18:18:38 +1000 | [diff] [blame] | 90 | $$ = NULL; |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 91 | } |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 92 | | memreserve memreserves |
| 93 | { |
| 94 | $$ = chain_reserve_entry($1, $2); |
| 95 | } |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 96 | ; |
| 97 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 98 | memreserve: |
| 99 | label DT_MEMRESERVE DT_ADDR DT_ADDR ';' |
| 100 | { |
Milton Miller | d429033 | 2007-07-07 01:18:49 -0500 | [diff] [blame] | 101 | $$ = build_reserve_entry($3, $4, $1); |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 102 | } |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 103 | | label DT_MEMRESERVE DT_ADDR '-' DT_ADDR ';' |
| 104 | { |
Milton Miller | d429033 | 2007-07-07 01:18:49 -0500 | [diff] [blame] | 105 | $$ = build_reserve_entry($3, $5 - $3 + 1, $1); |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 106 | } |
| 107 | ; |
| 108 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 109 | devicetree: |
| 110 | '/' nodedef |
| 111 | { |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 112 | $$ = name_node($2, "", NULL); |
| 113 | } |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 114 | ; |
| 115 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 116 | nodedef: |
| 117 | '{' proplist subnodes '}' ';' |
| 118 | { |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 119 | $$ = build_node($2, $3); |
| 120 | } |
| 121 | ; |
| 122 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 123 | proplist: |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 124 | /* empty */ |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 125 | { |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 126 | $$ = NULL; |
| 127 | } |
Jon Loeliger | 7b3fb78 | 2007-10-22 16:09:56 -0500 | [diff] [blame] | 128 | | proplist propdef |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 129 | { |
Jon Loeliger | 7b3fb78 | 2007-10-22 16:09:56 -0500 | [diff] [blame] | 130 | $$ = chain_property($2, $1); |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 131 | } |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 132 | ; |
| 133 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 134 | propdef: |
| 135 | label DT_PROPNAME '=' propdata ';' |
| 136 | { |
David Gibson | 4102d84 | 2005-06-16 14:36:37 +1000 | [diff] [blame] | 137 | $$ = build_property($2, $4, $1); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 138 | } |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 139 | | label DT_PROPNAME ';' |
| 140 | { |
David Gibson | 9ad4587 | 2005-06-17 14:32:32 +1000 | [diff] [blame] | 141 | $$ = build_property($2, empty_data, $1); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 142 | } |
| 143 | ; |
| 144 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 145 | propdata: |
| 146 | propdataprefix DT_STRING |
| 147 | { |
| 148 | $$ = data_merge($1, $2); |
David Gibson | 32da475 | 2007-02-07 16:37:50 +1100 | [diff] [blame] | 149 | } |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 150 | | propdataprefix '<' celllist '>' |
| 151 | { |
| 152 | $$ = data_merge(data_append_align($1, |
| 153 | sizeof(cell_t)), $3); |
| 154 | } |
| 155 | | propdataprefix '[' bytestring ']' |
| 156 | { |
| 157 | $$ = data_merge($1, $3); |
| 158 | } |
| 159 | | propdata DT_LABEL |
| 160 | { |
| 161 | $$ = data_add_label($1, $2); |
| 162 | } |
David Gibson | 32da475 | 2007-02-07 16:37:50 +1100 | [diff] [blame] | 163 | ; |
| 164 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 165 | propdataprefix: |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 166 | /* empty */ |
| 167 | { |
| 168 | $$ = empty_data; |
| 169 | } |
| 170 | | propdata ',' |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 171 | { |
| 172 | $$ = $1; |
| 173 | } |
| 174 | | propdataprefix DT_LABEL |
| 175 | { |
| 176 | $$ = data_add_label($1, $2); |
| 177 | } |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 178 | ; |
| 179 | |
Jon Loeliger | af0278a | 2007-02-15 10:59:27 -0600 | [diff] [blame] | 180 | opt_cell_base: |
| 181 | /* empty */ |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 182 | { |
| 183 | $$ = 16; |
| 184 | } |
Jon Loeliger | af0278a | 2007-02-15 10:59:27 -0600 | [diff] [blame] | 185 | | DT_BASE |
| 186 | ; |
| 187 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 188 | celllist: |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 189 | /* empty */ |
| 190 | { |
| 191 | $$ = empty_data; |
| 192 | } |
| 193 | | celllist opt_cell_base DT_CELL |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 194 | { |
Jon Loeliger | af0278a | 2007-02-15 10:59:27 -0600 | [diff] [blame] | 195 | $$ = data_append_cell($1, |
Jon Loeliger | 3948849 | 2007-02-16 09:33:54 -0600 | [diff] [blame] | 196 | cell_from_string($3, $2)); |
Jon Loeliger | af0278a | 2007-02-15 10:59:27 -0600 | [diff] [blame] | 197 | } |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 198 | | celllist DT_REF |
| 199 | { |
David Gibson | 81f2e89 | 2005-06-16 17:04:00 +1000 | [diff] [blame] | 200 | $$ = data_append_cell(data_add_fixup($1, $2), -1); |
| 201 | } |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 202 | | celllist DT_LABEL |
| 203 | { |
| 204 | $$ = data_add_label($1, $2); |
| 205 | } |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 206 | ; |
| 207 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 208 | bytestring: |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 209 | /* empty */ |
| 210 | { |
| 211 | $$ = empty_data; |
| 212 | } |
| 213 | | bytestring DT_BYTE |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 214 | { |
| 215 | $$ = data_append_byte($1, $2); |
| 216 | } |
| 217 | | bytestring DT_LABEL |
| 218 | { |
| 219 | $$ = data_add_label($1, $2); |
| 220 | } |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 221 | ; |
| 222 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 223 | subnodes: |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 224 | /* empty */ |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 225 | { |
| 226 | $$ = NULL; |
| 227 | } |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 228 | | subnode subnodes |
| 229 | { |
| 230 | $$ = chain_node($1, $2); |
| 231 | } |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 232 | ; |
| 233 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 234 | subnode: |
| 235 | label nodename nodedef |
| 236 | { |
| 237 | $$ = name_node($3, $2, $1); |
| 238 | } |
David Gibson | 4102d84 | 2005-06-16 14:36:37 +1000 | [diff] [blame] | 239 | ; |
| 240 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 241 | nodename: |
| 242 | DT_NODENAME |
| 243 | { |
| 244 | $$ = $1; |
| 245 | } |
| 246 | | DT_PROPNAME |
| 247 | { |
| 248 | $$ = $1; |
| 249 | } |
David Gibson | 4102d84 | 2005-06-16 14:36:37 +1000 | [diff] [blame] | 250 | ; |
| 251 | |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 252 | label: |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 253 | /* empty */ |
Jon Loeliger | 30807ca | 2007-10-18 09:42:16 -0500 | [diff] [blame] | 254 | { |
| 255 | $$ = NULL; |
| 256 | } |
Jon Loeliger | 5641289 | 2007-10-23 09:28:54 -0500 | [diff] [blame] | 257 | | DT_LABEL |
| 258 | { |
| 259 | $$ = $1; |
| 260 | } |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 261 | ; |
| 262 | |
| 263 | %% |
| 264 | |
| 265 | void yyerror (char const *s) |
| 266 | { |
Jon Loeliger | e45e6fd | 2007-03-23 15:18:41 -0500 | [diff] [blame] | 267 | const char *fname = srcpos_filename_for_num(yylloc.filenum); |
| 268 | |
| 269 | if (strcmp(fname, "-") == 0) |
| 270 | fname = "stdin"; |
| 271 | |
| 272 | fprintf(stderr, "%s:%d %s\n", |
| 273 | fname, yylloc.first_line, s); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 274 | } |
Jon Loeliger | 3948849 | 2007-02-16 09:33:54 -0600 | [diff] [blame] | 275 | |
| 276 | |
| 277 | /* |
| 278 | * Convert a string representation of a numeric cell |
| 279 | * in the given base into a cell. |
| 280 | * |
Milton Miller | 85ab5cc | 2007-07-07 01:18:48 -0500 | [diff] [blame] | 281 | * FIXME: should these specification errors be fatal instead? |
Jon Loeliger | 3948849 | 2007-02-16 09:33:54 -0600 | [diff] [blame] | 282 | */ |
| 283 | |
| 284 | cell_t cell_from_string(char *s, unsigned int base) |
| 285 | { |
| 286 | cell_t c; |
Milton Miller | 85ab5cc | 2007-07-07 01:18:48 -0500 | [diff] [blame] | 287 | char *e; |
Jon Loeliger | 3948849 | 2007-02-16 09:33:54 -0600 | [diff] [blame] | 288 | |
Milton Miller | 85ab5cc | 2007-07-07 01:18:48 -0500 | [diff] [blame] | 289 | c = strtoul(s, &e, base); |
| 290 | if (*e) { |
| 291 | fprintf(stderr, |
| 292 | "Line %d: Invalid cell value '%s' : " |
| 293 | "%c is not a base %d digit; %d assumed\n", |
| 294 | yylloc.first_line, s, *e, base, c); |
| 295 | } |
| 296 | |
Jon Loeliger | 3948849 | 2007-02-16 09:33:54 -0600 | [diff] [blame] | 297 | if (errno == EINVAL || errno == ERANGE) { |
| 298 | fprintf(stderr, |
| 299 | "Line %d: Invalid cell value '%s'; %d assumed\n", |
| 300 | yylloc.first_line, s, c); |
Milton Miller | 85ab5cc | 2007-07-07 01:18:48 -0500 | [diff] [blame] | 301 | errno = 0; |
Jon Loeliger | 3948849 | 2007-02-16 09:33:54 -0600 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | return c; |
| 305 | } |