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-rw-r--r--arch/powerpc/boot/dtc-src/dtc-parser.y379
1 files changed, 0 insertions, 379 deletions
diff --git a/arch/powerpc/boot/dtc-src/dtc-parser.y b/arch/powerpc/boot/dtc-src/dtc-parser.y
deleted file mode 100644
index b2ab562420ea..000000000000
--- a/arch/powerpc/boot/dtc-src/dtc-parser.y
+++ /dev/null
@@ -1,379 +0,0 @@
1/*
2 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
3 *
4 *
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.
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
19 */
20
21%locations
22
23%{
24#include <stdio.h>
25
26#include "dtc.h"
27#include "srcpos.h"
28
29extern int yylex(void);
30
31extern struct boot_info *the_boot_info;
32extern int treesource_error;
33
34static unsigned long long eval_literal(const char *s, int base, int bits);
35%}
36
37%union {
38 char *propnodename;
39 char *literal;
40 char *labelref;
41 unsigned int cbase;
42 uint8_t byte;
43 struct data data;
44
45 uint64_t addr;
46 cell_t cell;
47 struct property *prop;
48 struct property *proplist;
49 struct node *node;
50 struct node *nodelist;
51 struct reserve_info *re;
52}
53
54%token DT_V1
55%token DT_MEMRESERVE
56%token <propnodename> DT_PROPNODENAME
57%token <literal> DT_LITERAL
58%token <literal> DT_LEGACYLITERAL
59%token <cbase> DT_BASE
60%token <byte> DT_BYTE
61%token <data> DT_STRING
62%token <labelref> DT_LABEL
63%token <labelref> DT_REF
64%token DT_INCBIN
65
66%type <data> propdata
67%type <data> propdataprefix
68%type <re> memreserve
69%type <re> memreserves
70%type <re> v0_memreserve
71%type <re> v0_memreserves
72%type <addr> addr
73%type <data> celllist
74%type <cbase> cellbase
75%type <cell> cellval
76%type <data> bytestring
77%type <prop> propdef
78%type <proplist> proplist
79
80%type <node> devicetree
81%type <node> nodedef
82%type <node> subnode
83%type <nodelist> subnodes
84%type <labelref> label
85
86%%
87
88sourcefile:
89 DT_V1 ';' memreserves devicetree
90 {
91 the_boot_info = build_boot_info($3, $4, 0);
92 }
93 | v0_memreserves devicetree
94 {
95 the_boot_info = build_boot_info($1, $2, 0);
96 }
97 ;
98
99memreserves:
100 /* empty */
101 {
102 $$ = NULL;
103 }
104 | memreserve memreserves
105 {
106 $$ = chain_reserve_entry($1, $2);
107 }
108 ;
109
110memreserve:
111 label DT_MEMRESERVE addr addr ';'
112 {
113 $$ = build_reserve_entry($3, $4, $1);
114 }
115 ;
116
117v0_memreserves:
118 /* empty */
119 {
120 $$ = NULL;
121 }
122 | v0_memreserve v0_memreserves
123 {
124 $$ = chain_reserve_entry($1, $2);
125 };
126 ;
127
128v0_memreserve:
129 memreserve
130 {
131 $$ = $1;
132 }
133 | label DT_MEMRESERVE addr '-' addr ';'
134 {
135 $$ = build_reserve_entry($3, $5 - $3 + 1, $1);
136 }
137 ;
138
139addr:
140 DT_LITERAL
141 {
142 $$ = eval_literal($1, 0, 64);
143 }
144 | DT_LEGACYLITERAL
145 {
146 $$ = eval_literal($1, 16, 64);
147 }
148 ;
149
150devicetree:
151 '/' nodedef
152 {
153 $$ = name_node($2, "", NULL);
154 }
155 ;
156
157nodedef:
158 '{' proplist subnodes '}' ';'
159 {
160 $$ = build_node($2, $3);
161 }
162 ;
163
164proplist:
165 /* empty */
166 {
167 $$ = NULL;
168 }
169 | proplist propdef
170 {
171 $$ = chain_property($2, $1);
172 }
173 ;
174
175propdef:
176 label DT_PROPNODENAME '=' propdata ';'
177 {
178 $$ = build_property($2, $4, $1);
179 }
180 | label DT_PROPNODENAME ';'
181 {
182 $$ = build_property($2, empty_data, $1);
183 }
184 ;
185
186propdata:
187 propdataprefix DT_STRING
188 {
189 $$ = data_merge($1, $2);
190 }
191 | propdataprefix '<' celllist '>'
192 {
193 $$ = data_merge($1, $3);
194 }
195 | propdataprefix '[' bytestring ']'
196 {
197 $$ = data_merge($1, $3);
198 }
199 | propdataprefix DT_REF
200 {
201 $$ = data_add_marker($1, REF_PATH, $2);
202 }
203 | propdataprefix DT_INCBIN '(' DT_STRING ',' addr ',' addr ')'
204 {
205 struct search_path path = { srcpos_file->dir, NULL, NULL };
206 struct dtc_file *file = dtc_open_file($4.val, &path);
207 struct data d = empty_data;
208
209 if ($6 != 0)
210 if (fseek(file->file, $6, SEEK_SET) != 0)
211 yyerrorf("Couldn't seek to offset %llu in \"%s\": %s",
212 (unsigned long long)$6,
213 $4.val, strerror(errno));
214
215 d = data_copy_file(file->file, $8);
216
217 $$ = data_merge($1, d);
218 dtc_close_file(file);
219 }
220 | propdataprefix DT_INCBIN '(' DT_STRING ')'
221 {
222 struct search_path path = { srcpos_file->dir, NULL, NULL };
223 struct dtc_file *file = dtc_open_file($4.val, &path);
224 struct data d = empty_data;
225
226 d = data_copy_file(file->file, -1);
227
228 $$ = data_merge($1, d);
229 dtc_close_file(file);
230 }
231 | propdata DT_LABEL
232 {
233 $$ = data_add_marker($1, LABEL, $2);
234 }
235 ;
236
237propdataprefix:
238 /* empty */
239 {
240 $$ = empty_data;
241 }
242 | propdata ','
243 {
244 $$ = $1;
245 }
246 | propdataprefix DT_LABEL
247 {
248 $$ = data_add_marker($1, LABEL, $2);
249 }
250 ;
251
252celllist:
253 /* empty */
254 {
255 $$ = empty_data;
256 }
257 | celllist cellval
258 {
259 $$ = data_append_cell($1, $2);
260 }
261 | celllist DT_REF
262 {
263 $$ = data_append_cell(data_add_marker($1, REF_PHANDLE,
264 $2), -1);
265 }
266 | celllist DT_LABEL
267 {
268 $$ = data_add_marker($1, LABEL, $2);
269 }
270 ;
271
272cellbase:
273 /* empty */
274 {
275 $$ = 16;
276 }
277 | DT_BASE
278 ;
279
280cellval:
281 DT_LITERAL
282 {
283 $$ = eval_literal($1, 0, 32);
284 }
285 | cellbase DT_LEGACYLITERAL
286 {
287 $$ = eval_literal($2, $1, 32);
288 }
289 ;
290
291bytestring:
292 /* empty */
293 {
294 $$ = empty_data;
295 }
296 | bytestring DT_BYTE
297 {
298 $$ = data_append_byte($1, $2);
299 }
300 | bytestring DT_LABEL
301 {
302 $$ = data_add_marker($1, LABEL, $2);
303 }
304 ;
305
306subnodes:
307 /* empty */
308 {
309 $$ = NULL;
310 }
311 | subnode subnodes
312 {
313 $$ = chain_node($1, $2);
314 }
315 | subnode propdef
316 {
317 yyerror("syntax error: properties must precede subnodes");
318 YYERROR;
319 }
320 ;
321
322subnode:
323 label DT_PROPNODENAME nodedef
324 {
325 $$ = name_node($3, $2, $1);
326 }
327 ;
328
329label:
330 /* empty */
331 {
332 $$ = NULL;
333 }
334 | DT_LABEL
335 {
336 $$ = $1;
337 }
338 ;
339
340%%
341
342void yyerrorf(char const *s, ...)
343{
344 const char *fname = srcpos_file ? srcpos_file->name : "<no-file>";
345 va_list va;
346 va_start(va, s);
347
348 if (strcmp(fname, "-") == 0)
349 fname = "stdin";
350
351 fprintf(stderr, "%s:%d ", fname, yylloc.first_line);
352 vfprintf(stderr, s, va);
353 fprintf(stderr, "\n");
354
355 treesource_error = 1;
356 va_end(va);
357}
358
359void yyerror (char const *s)
360{
361 yyerrorf("%s", s);
362}
363
364static unsigned long long eval_literal(const char *s, int base, int bits)
365{
366 unsigned long long val;
367 char *e;
368
369 errno = 0;
370 val = strtoull(s, &e, base);
371 if (*e)
372 yyerror("bad characters in literal");
373 else if ((errno == ERANGE)
374 || ((bits < 64) && (val >= (1ULL << bits))))
375 yyerror("literal out of range");
376 else if (errno != 0)
377 yyerror("bad literal");
378 return val;
379}
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-06 11:36:14 -0500