Commit | Line | Data |
---|---|---|
74ba9207 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
fa766c9b IL |
2 | /* |
3 | * altera.c | |
4 | * | |
5 | * altera FPGA driver | |
6 | * | |
7 | * Copyright (C) Altera Corporation 1998-2001 | |
8 | * Copyright (C) 2010,2011 NetUP Inc. | |
9 | * Copyright (C) 2010,2011 Igor M. Liplianin <liplianin@netup.ru> | |
fa766c9b IL |
10 | */ |
11 | ||
12 | #include <asm/unaligned.h> | |
13 | #include <linux/ctype.h> | |
14 | #include <linux/string.h> | |
15 | #include <linux/firmware.h> | |
16 | #include <linux/slab.h> | |
99c97852 | 17 | #include <linux/module.h> |
cff4fa84 | 18 | #include <misc/altera.h> |
fa766c9b IL |
19 | #include "altera-exprt.h" |
20 | #include "altera-jtag.h" | |
21 | ||
22 | static int debug = 1; | |
23 | module_param(debug, int, 0644); | |
24 | MODULE_PARM_DESC(debug, "enable debugging information"); | |
25 | ||
26 | MODULE_DESCRIPTION("altera FPGA kernel module"); | |
27 | MODULE_AUTHOR("Igor M. Liplianin <liplianin@netup.ru>"); | |
28 | MODULE_LICENSE("GPL"); | |
29 | ||
30 | #define dprintk(args...) \ | |
31 | if (debug) { \ | |
32 | printk(KERN_DEBUG args); \ | |
33 | } | |
34 | ||
35 | enum altera_fpga_opcode { | |
36 | OP_NOP = 0, | |
37 | OP_DUP, | |
38 | OP_SWP, | |
39 | OP_ADD, | |
40 | OP_SUB, | |
41 | OP_MULT, | |
42 | OP_DIV, | |
43 | OP_MOD, | |
44 | OP_SHL, | |
45 | OP_SHR, | |
46 | OP_NOT, | |
47 | OP_AND, | |
48 | OP_OR, | |
49 | OP_XOR, | |
50 | OP_INV, | |
51 | OP_GT, | |
52 | OP_LT, | |
53 | OP_RET, | |
54 | OP_CMPS, | |
55 | OP_PINT, | |
56 | OP_PRNT, | |
57 | OP_DSS, | |
58 | OP_DSSC, | |
59 | OP_ISS, | |
60 | OP_ISSC, | |
61 | OP_DPR = 0x1c, | |
62 | OP_DPRL, | |
63 | OP_DPO, | |
64 | OP_DPOL, | |
65 | OP_IPR, | |
66 | OP_IPRL, | |
67 | OP_IPO, | |
68 | OP_IPOL, | |
69 | OP_PCHR, | |
70 | OP_EXIT, | |
71 | OP_EQU, | |
72 | OP_POPT, | |
73 | OP_ABS = 0x2c, | |
74 | OP_BCH0, | |
75 | OP_PSH0 = 0x2f, | |
76 | OP_PSHL = 0x40, | |
77 | OP_PSHV, | |
78 | OP_JMP, | |
79 | OP_CALL, | |
80 | OP_NEXT, | |
81 | OP_PSTR, | |
82 | OP_SINT = 0x47, | |
83 | OP_ST, | |
84 | OP_ISTP, | |
85 | OP_DSTP, | |
86 | OP_SWPN, | |
87 | OP_DUPN, | |
88 | OP_POPV, | |
89 | OP_POPE, | |
90 | OP_POPA, | |
91 | OP_JMPZ, | |
92 | OP_DS, | |
93 | OP_IS, | |
94 | OP_DPRA, | |
95 | OP_DPOA, | |
96 | OP_IPRA, | |
97 | OP_IPOA, | |
98 | OP_EXPT, | |
99 | OP_PSHE, | |
100 | OP_PSHA, | |
101 | OP_DYNA, | |
102 | OP_EXPV = 0x5c, | |
103 | OP_COPY = 0x80, | |
104 | OP_REVA, | |
105 | OP_DSC, | |
106 | OP_ISC, | |
107 | OP_WAIT, | |
108 | OP_VS, | |
109 | OP_CMPA = 0xc0, | |
110 | OP_VSC, | |
111 | }; | |
112 | ||
113 | struct altera_procinfo { | |
114 | char *name; | |
115 | u8 attrs; | |
116 | struct altera_procinfo *next; | |
117 | }; | |
118 | ||
119 | /* This function checks if enough parameters are available on the stack. */ | |
120 | static int altera_check_stack(int stack_ptr, int count, int *status) | |
121 | { | |
122 | if (stack_ptr < count) { | |
123 | *status = -EOVERFLOW; | |
124 | return 0; | |
125 | } | |
126 | ||
127 | return 1; | |
128 | } | |
129 | ||
130 | static void altera_export_int(char *key, s32 value) | |
131 | { | |
132 | dprintk("Export: key = \"%s\", value = %d\n", key, value); | |
133 | } | |
134 | ||
135 | #define HEX_LINE_CHARS 72 | |
136 | #define HEX_LINE_BITS (HEX_LINE_CHARS * 4) | |
137 | ||
138 | static void altera_export_bool_array(char *key, u8 *data, s32 count) | |
139 | { | |
140 | char string[HEX_LINE_CHARS + 1]; | |
141 | s32 i, offset; | |
142 | u32 size, line, lines, linebits, value, j, k; | |
143 | ||
144 | if (count > HEX_LINE_BITS) { | |
145 | dprintk("Export: key = \"%s\", %d bits, value = HEX\n", | |
146 | key, count); | |
147 | lines = (count + (HEX_LINE_BITS - 1)) / HEX_LINE_BITS; | |
148 | ||
149 | for (line = 0; line < lines; ++line) { | |
150 | if (line < (lines - 1)) { | |
151 | linebits = HEX_LINE_BITS; | |
152 | size = HEX_LINE_CHARS; | |
153 | offset = count - ((line + 1) * HEX_LINE_BITS); | |
154 | } else { | |
155 | linebits = | |
156 | count - ((lines - 1) * HEX_LINE_BITS); | |
157 | size = (linebits + 3) / 4; | |
158 | offset = 0L; | |
159 | } | |
160 | ||
161 | string[size] = '\0'; | |
162 | j = size - 1; | |
163 | value = 0; | |
164 | ||
165 | for (k = 0; k < linebits; ++k) { | |
166 | i = k + offset; | |
167 | if (data[i >> 3] & (1 << (i & 7))) | |
168 | value |= (1 << (i & 3)); | |
169 | if ((i & 3) == 3) { | |
170 | sprintf(&string[j], "%1x", value); | |
171 | value = 0; | |
172 | --j; | |
173 | } | |
174 | } | |
175 | if ((k & 3) > 0) | |
176 | sprintf(&string[j], "%1x", value); | |
177 | ||
178 | dprintk("%s\n", string); | |
179 | } | |
180 | ||
181 | } else { | |
182 | size = (count + 3) / 4; | |
183 | string[size] = '\0'; | |
184 | j = size - 1; | |
185 | value = 0; | |
186 | ||
187 | for (i = 0; i < count; ++i) { | |
188 | if (data[i >> 3] & (1 << (i & 7))) | |
189 | value |= (1 << (i & 3)); | |
190 | if ((i & 3) == 3) { | |
191 | sprintf(&string[j], "%1x", value); | |
192 | value = 0; | |
193 | --j; | |
194 | } | |
195 | } | |
196 | if ((i & 3) > 0) | |
197 | sprintf(&string[j], "%1x", value); | |
198 | ||
199 | dprintk("Export: key = \"%s\", %d bits, value = HEX %s\n", | |
200 | key, count, string); | |
201 | } | |
202 | } | |
203 | ||
204 | static int altera_execute(struct altera_state *astate, | |
205 | u8 *p, | |
206 | s32 program_size, | |
207 | s32 *error_address, | |
208 | int *exit_code, | |
209 | int *format_version) | |
210 | { | |
211 | struct altera_config *aconf = astate->config; | |
212 | char *msg_buff = astate->msg_buff; | |
213 | long *stack = astate->stack; | |
214 | int status = 0; | |
215 | u32 first_word = 0L; | |
216 | u32 action_table = 0L; | |
217 | u32 proc_table = 0L; | |
218 | u32 str_table = 0L; | |
219 | u32 sym_table = 0L; | |
220 | u32 data_sect = 0L; | |
221 | u32 code_sect = 0L; | |
222 | u32 debug_sect = 0L; | |
223 | u32 action_count = 0L; | |
224 | u32 proc_count = 0L; | |
225 | u32 sym_count = 0L; | |
226 | long *vars = NULL; | |
227 | s32 *var_size = NULL; | |
228 | char *attrs = NULL; | |
229 | u8 *proc_attributes = NULL; | |
230 | u32 pc; | |
231 | u32 opcode_address; | |
232 | u32 args[3]; | |
233 | u32 opcode; | |
234 | u32 name_id; | |
235 | u8 charbuf[4]; | |
236 | long long_tmp; | |
237 | u32 variable_id; | |
238 | u8 *charptr_tmp; | |
239 | u8 *charptr_tmp2; | |
240 | long *longptr_tmp; | |
241 | int version = 0; | |
242 | int delta = 0; | |
243 | int stack_ptr = 0; | |
244 | u32 arg_count; | |
245 | int done = 0; | |
246 | int bad_opcode = 0; | |
247 | u32 count; | |
248 | u32 index; | |
249 | u32 index2; | |
250 | s32 long_count; | |
251 | s32 long_idx; | |
252 | s32 long_idx2; | |
253 | u32 i; | |
254 | u32 j; | |
255 | u32 uncomp_size; | |
256 | u32 offset; | |
257 | u32 value; | |
258 | int current_proc = 0; | |
259 | int reverse; | |
260 | ||
261 | char *name; | |
262 | ||
263 | dprintk("%s\n", __func__); | |
264 | ||
265 | /* Read header information */ | |
266 | if (program_size > 52L) { | |
267 | first_word = get_unaligned_be32(&p[0]); | |
268 | version = (first_word & 1L); | |
269 | *format_version = version + 1; | |
270 | delta = version * 8; | |
271 | ||
272 | action_table = get_unaligned_be32(&p[4]); | |
273 | proc_table = get_unaligned_be32(&p[8]); | |
274 | str_table = get_unaligned_be32(&p[4 + delta]); | |
275 | sym_table = get_unaligned_be32(&p[16 + delta]); | |
276 | data_sect = get_unaligned_be32(&p[20 + delta]); | |
277 | code_sect = get_unaligned_be32(&p[24 + delta]); | |
278 | debug_sect = get_unaligned_be32(&p[28 + delta]); | |
279 | action_count = get_unaligned_be32(&p[40 + delta]); | |
280 | proc_count = get_unaligned_be32(&p[44 + delta]); | |
281 | sym_count = get_unaligned_be32(&p[48 + (2 * delta)]); | |
282 | } | |
283 | ||
284 | if ((first_word != 0x4A414D00L) && (first_word != 0x4A414D01L)) { | |
285 | done = 1; | |
286 | status = -EIO; | |
287 | goto exit_done; | |
288 | } | |
289 | ||
290 | if (sym_count <= 0) | |
291 | goto exit_done; | |
292 | ||
6396bb22 | 293 | vars = kcalloc(sym_count, sizeof(long), GFP_KERNEL); |
fa766c9b IL |
294 | |
295 | if (vars == NULL) | |
296 | status = -ENOMEM; | |
297 | ||
298 | if (status == 0) { | |
6396bb22 | 299 | var_size = kcalloc(sym_count, sizeof(s32), GFP_KERNEL); |
fa766c9b IL |
300 | |
301 | if (var_size == NULL) | |
302 | status = -ENOMEM; | |
303 | } | |
304 | ||
305 | if (status == 0) { | |
306 | attrs = kzalloc(sym_count, GFP_KERNEL); | |
307 | ||
308 | if (attrs == NULL) | |
309 | status = -ENOMEM; | |
310 | } | |
311 | ||
312 | if ((status == 0) && (version > 0)) { | |
313 | proc_attributes = kzalloc(proc_count, GFP_KERNEL); | |
314 | ||
315 | if (proc_attributes == NULL) | |
316 | status = -ENOMEM; | |
317 | } | |
318 | ||
319 | if (status != 0) | |
320 | goto exit_done; | |
321 | ||
322 | delta = version * 2; | |
323 | ||
324 | for (i = 0; i < sym_count; ++i) { | |
325 | offset = (sym_table + ((11 + delta) * i)); | |
326 | ||
327 | value = get_unaligned_be32(&p[offset + 3 + delta]); | |
328 | ||
329 | attrs[i] = p[offset]; | |
330 | ||
331 | /* | |
332 | * use bit 7 of attribute byte to indicate that | |
333 | * this buffer was dynamically allocated | |
334 | * and should be freed later | |
335 | */ | |
336 | attrs[i] &= 0x7f; | |
337 | ||
338 | var_size[i] = get_unaligned_be32(&p[offset + 7 + delta]); | |
339 | ||
340 | /* | |
341 | * Attribute bits: | |
342 | * bit 0: 0 = read-only, 1 = read-write | |
343 | * bit 1: 0 = not compressed, 1 = compressed | |
344 | * bit 2: 0 = not initialized, 1 = initialized | |
345 | * bit 3: 0 = scalar, 1 = array | |
346 | * bit 4: 0 = Boolean, 1 = integer | |
347 | * bit 5: 0 = declared variable, | |
348 | * 1 = compiler created temporary variable | |
349 | */ | |
350 | ||
351 | if ((attrs[i] & 0x0c) == 0x04) | |
352 | /* initialized scalar variable */ | |
353 | vars[i] = value; | |
354 | else if ((attrs[i] & 0x1e) == 0x0e) { | |
355 | /* initialized compressed Boolean array */ | |
356 | uncomp_size = get_unaligned_le32(&p[data_sect + value]); | |
357 | ||
358 | /* allocate a buffer for the uncompressed data */ | |
359 | vars[i] = (long)kzalloc(uncomp_size, GFP_KERNEL); | |
360 | if (vars[i] == 0L) | |
361 | status = -ENOMEM; | |
362 | else { | |
363 | /* set flag so buffer will be freed later */ | |
364 | attrs[i] |= 0x80; | |
365 | ||
366 | /* uncompress the data */ | |
367 | if (altera_shrink(&p[data_sect + value], | |
368 | var_size[i], | |
369 | (u8 *)vars[i], | |
370 | uncomp_size, | |
371 | version) != uncomp_size) | |
372 | /* decompression failed */ | |
373 | status = -EIO; | |
374 | else | |
375 | var_size[i] = uncomp_size * 8L; | |
376 | ||
377 | } | |
378 | } else if ((attrs[i] & 0x1e) == 0x0c) { | |
379 | /* initialized Boolean array */ | |
380 | vars[i] = value + data_sect + (long)p; | |
381 | } else if ((attrs[i] & 0x1c) == 0x1c) { | |
382 | /* initialized integer array */ | |
383 | vars[i] = value + data_sect; | |
384 | } else if ((attrs[i] & 0x0c) == 0x08) { | |
385 | /* uninitialized array */ | |
386 | ||
387 | /* flag attrs so that memory is freed */ | |
388 | attrs[i] |= 0x80; | |
389 | ||
390 | if (var_size[i] > 0) { | |
391 | u32 size; | |
392 | ||
393 | if (attrs[i] & 0x10) | |
394 | /* integer array */ | |
395 | size = (var_size[i] * sizeof(s32)); | |
396 | else | |
397 | /* Boolean array */ | |
398 | size = ((var_size[i] + 7L) / 8L); | |
399 | ||
400 | vars[i] = (long)kzalloc(size, GFP_KERNEL); | |
401 | ||
402 | if (vars[i] == 0) { | |
403 | status = -ENOMEM; | |
404 | } else { | |
405 | /* zero out memory */ | |
406 | for (j = 0; j < size; ++j) | |
407 | ((u8 *)(vars[i]))[j] = 0; | |
408 | ||
409 | } | |
410 | } else | |
411 | vars[i] = 0; | |
412 | ||
413 | } else | |
414 | vars[i] = 0; | |
415 | ||
416 | } | |
417 | ||
418 | exit_done: | |
419 | if (status != 0) | |
420 | done = 1; | |
421 | ||
422 | altera_jinit(astate); | |
423 | ||
424 | pc = code_sect; | |
425 | msg_buff[0] = '\0'; | |
426 | ||
427 | /* | |
428 | * For JBC version 2, we will execute the procedures corresponding to | |
429 | * the selected ACTION | |
430 | */ | |
431 | if (version > 0) { | |
432 | if (aconf->action == NULL) { | |
433 | status = -EINVAL; | |
434 | done = 1; | |
435 | } else { | |
436 | int action_found = 0; | |
437 | for (i = 0; (i < action_count) && !action_found; ++i) { | |
438 | name_id = get_unaligned_be32(&p[action_table + | |
439 | (12 * i)]); | |
440 | ||
441 | name = &p[str_table + name_id]; | |
442 | ||
30614cf3 | 443 | if (strncasecmp(aconf->action, name, strlen(name)) == 0) { |
fa766c9b IL |
444 | action_found = 1; |
445 | current_proc = | |
446 | get_unaligned_be32(&p[action_table + | |
447 | (12 * i) + 8]); | |
448 | } | |
449 | } | |
450 | ||
451 | if (!action_found) { | |
452 | status = -EINVAL; | |
453 | done = 1; | |
454 | } | |
455 | } | |
456 | ||
457 | if (status == 0) { | |
458 | int first_time = 1; | |
459 | i = current_proc; | |
460 | while ((i != 0) || first_time) { | |
461 | first_time = 0; | |
462 | /* check procedure attribute byte */ | |
463 | proc_attributes[i] = | |
464 | (p[proc_table + | |
465 | (13 * i) + 8] & | |
466 | 0x03); | |
467 | ||
468 | /* | |
469 | * BIT0 - OPTIONAL | |
470 | * BIT1 - RECOMMENDED | |
471 | * BIT6 - FORCED OFF | |
472 | * BIT7 - FORCED ON | |
473 | */ | |
474 | ||
475 | i = get_unaligned_be32(&p[proc_table + | |
476 | (13 * i) + 4]); | |
477 | } | |
478 | ||
479 | /* | |
480 | * Set current_proc to the first procedure | |
481 | * to be executed | |
482 | */ | |
483 | i = current_proc; | |
484 | while ((i != 0) && | |
485 | ((proc_attributes[i] == 1) || | |
486 | ((proc_attributes[i] & 0xc0) == 0x40))) { | |
487 | i = get_unaligned_be32(&p[proc_table + | |
488 | (13 * i) + 4]); | |
489 | } | |
490 | ||
491 | if ((i != 0) || ((i == 0) && (current_proc == 0) && | |
492 | ((proc_attributes[0] != 1) && | |
493 | ((proc_attributes[0] & 0xc0) != 0x40)))) { | |
494 | current_proc = i; | |
495 | pc = code_sect + | |
496 | get_unaligned_be32(&p[proc_table + | |
497 | (13 * i) + 9]); | |
498 | if ((pc < code_sect) || (pc >= debug_sect)) | |
499 | status = -ERANGE; | |
500 | } else | |
501 | /* there are no procedures to execute! */ | |
502 | done = 1; | |
503 | ||
504 | } | |
505 | } | |
506 | ||
507 | msg_buff[0] = '\0'; | |
508 | ||
509 | while (!done) { | |
510 | opcode = (p[pc] & 0xff); | |
511 | opcode_address = pc; | |
512 | ++pc; | |
513 | ||
514 | if (debug > 1) | |
515 | printk("opcode: %02x\n", opcode); | |
516 | ||
517 | arg_count = (opcode >> 6) & 3; | |
518 | for (i = 0; i < arg_count; ++i) { | |
519 | args[i] = get_unaligned_be32(&p[pc]); | |
520 | pc += 4; | |
521 | } | |
522 | ||
523 | switch (opcode) { | |
524 | case OP_NOP: | |
525 | break; | |
526 | case OP_DUP: | |
527 | if (altera_check_stack(stack_ptr, 1, &status)) { | |
528 | stack[stack_ptr] = stack[stack_ptr - 1]; | |
529 | ++stack_ptr; | |
530 | } | |
531 | break; | |
532 | case OP_SWP: | |
9145554d JC |
533 | if (altera_check_stack(stack_ptr, 2, &status)) |
534 | swap(stack[stack_ptr - 2], stack[stack_ptr - 1]); | |
fa766c9b IL |
535 | break; |
536 | case OP_ADD: | |
537 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
538 | --stack_ptr; | |
539 | stack[stack_ptr - 1] += stack[stack_ptr]; | |
540 | } | |
541 | break; | |
542 | case OP_SUB: | |
543 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
544 | --stack_ptr; | |
545 | stack[stack_ptr - 1] -= stack[stack_ptr]; | |
546 | } | |
547 | break; | |
548 | case OP_MULT: | |
549 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
550 | --stack_ptr; | |
551 | stack[stack_ptr - 1] *= stack[stack_ptr]; | |
552 | } | |
553 | break; | |
554 | case OP_DIV: | |
555 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
556 | --stack_ptr; | |
557 | stack[stack_ptr - 1] /= stack[stack_ptr]; | |
558 | } | |
559 | break; | |
560 | case OP_MOD: | |
561 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
562 | --stack_ptr; | |
563 | stack[stack_ptr - 1] %= stack[stack_ptr]; | |
564 | } | |
565 | break; | |
566 | case OP_SHL: | |
567 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
568 | --stack_ptr; | |
569 | stack[stack_ptr - 1] <<= stack[stack_ptr]; | |
570 | } | |
571 | break; | |
572 | case OP_SHR: | |
573 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
574 | --stack_ptr; | |
575 | stack[stack_ptr - 1] >>= stack[stack_ptr]; | |
576 | } | |
577 | break; | |
578 | case OP_NOT: | |
579 | if (altera_check_stack(stack_ptr, 1, &status)) | |
580 | stack[stack_ptr - 1] ^= (-1L); | |
581 | ||
582 | break; | |
583 | case OP_AND: | |
584 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
585 | --stack_ptr; | |
586 | stack[stack_ptr - 1] &= stack[stack_ptr]; | |
587 | } | |
588 | break; | |
589 | case OP_OR: | |
590 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
591 | --stack_ptr; | |
592 | stack[stack_ptr - 1] |= stack[stack_ptr]; | |
593 | } | |
594 | break; | |
595 | case OP_XOR: | |
596 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
597 | --stack_ptr; | |
598 | stack[stack_ptr - 1] ^= stack[stack_ptr]; | |
599 | } | |
600 | break; | |
601 | case OP_INV: | |
602 | if (!altera_check_stack(stack_ptr, 1, &status)) | |
603 | break; | |
604 | stack[stack_ptr - 1] = stack[stack_ptr - 1] ? 0L : 1L; | |
605 | break; | |
606 | case OP_GT: | |
607 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
608 | break; | |
609 | --stack_ptr; | |
610 | stack[stack_ptr - 1] = | |
611 | (stack[stack_ptr - 1] > stack[stack_ptr]) ? | |
612 | 1L : 0L; | |
613 | ||
614 | break; | |
615 | case OP_LT: | |
616 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
617 | break; | |
618 | --stack_ptr; | |
619 | stack[stack_ptr - 1] = | |
620 | (stack[stack_ptr - 1] < stack[stack_ptr]) ? | |
621 | 1L : 0L; | |
622 | ||
623 | break; | |
624 | case OP_RET: | |
625 | if ((version > 0) && (stack_ptr == 0)) { | |
626 | /* | |
627 | * We completed one of the main procedures | |
628 | * of an ACTION. | |
629 | * Find the next procedure | |
630 | * to be executed and jump to it. | |
631 | * If there are no more procedures, then EXIT. | |
632 | */ | |
633 | i = get_unaligned_be32(&p[proc_table + | |
634 | (13 * current_proc) + 4]); | |
635 | while ((i != 0) && | |
636 | ((proc_attributes[i] == 1) || | |
637 | ((proc_attributes[i] & 0xc0) == 0x40))) | |
638 | i = get_unaligned_be32(&p[proc_table + | |
639 | (13 * i) + 4]); | |
640 | ||
641 | if (i == 0) { | |
642 | /* no procedures to execute! */ | |
643 | done = 1; | |
644 | *exit_code = 0; /* success */ | |
645 | } else { | |
646 | current_proc = i; | |
647 | pc = code_sect + get_unaligned_be32( | |
648 | &p[proc_table + | |
649 | (13 * i) + 9]); | |
650 | if ((pc < code_sect) || | |
651 | (pc >= debug_sect)) | |
652 | status = -ERANGE; | |
653 | } | |
654 | ||
655 | } else | |
656 | if (altera_check_stack(stack_ptr, 1, &status)) { | |
657 | pc = stack[--stack_ptr] + code_sect; | |
658 | if ((pc <= code_sect) || | |
659 | (pc >= debug_sect)) | |
660 | status = -ERANGE; | |
661 | ||
662 | } | |
663 | ||
664 | break; | |
665 | case OP_CMPS: | |
666 | /* | |
667 | * Array short compare | |
668 | * ...stack 0 is source 1 value | |
669 | * ...stack 1 is source 2 value | |
670 | * ...stack 2 is mask value | |
671 | * ...stack 3 is count | |
672 | */ | |
673 | if (altera_check_stack(stack_ptr, 4, &status)) { | |
674 | s32 a = stack[--stack_ptr]; | |
675 | s32 b = stack[--stack_ptr]; | |
676 | long_tmp = stack[--stack_ptr]; | |
677 | count = stack[stack_ptr - 1]; | |
678 | ||
679 | if ((count < 1) || (count > 32)) | |
680 | status = -ERANGE; | |
681 | else { | |
682 | long_tmp &= ((-1L) >> (32 - count)); | |
683 | ||
684 | stack[stack_ptr - 1] = | |
685 | ((a & long_tmp) == (b & long_tmp)) | |
686 | ? 1L : 0L; | |
687 | } | |
688 | } | |
689 | break; | |
690 | case OP_PINT: | |
691 | /* | |
692 | * PRINT add integer | |
693 | * ...stack 0 is integer value | |
694 | */ | |
695 | if (!altera_check_stack(stack_ptr, 1, &status)) | |
696 | break; | |
697 | sprintf(&msg_buff[strlen(msg_buff)], | |
698 | "%ld", stack[--stack_ptr]); | |
699 | break; | |
700 | case OP_PRNT: | |
701 | /* PRINT finish */ | |
702 | if (debug) | |
703 | printk(msg_buff, "\n"); | |
704 | ||
705 | msg_buff[0] = '\0'; | |
706 | break; | |
707 | case OP_DSS: | |
708 | /* | |
709 | * DRSCAN short | |
710 | * ...stack 0 is scan data | |
711 | * ...stack 1 is count | |
712 | */ | |
713 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
714 | break; | |
715 | long_tmp = stack[--stack_ptr]; | |
716 | count = stack[--stack_ptr]; | |
717 | put_unaligned_le32(long_tmp, &charbuf[0]); | |
718 | status = altera_drscan(astate, count, charbuf, 0); | |
719 | break; | |
720 | case OP_DSSC: | |
721 | /* | |
722 | * DRSCAN short with capture | |
723 | * ...stack 0 is scan data | |
724 | * ...stack 1 is count | |
725 | */ | |
726 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
727 | break; | |
728 | long_tmp = stack[--stack_ptr]; | |
729 | count = stack[stack_ptr - 1]; | |
730 | put_unaligned_le32(long_tmp, &charbuf[0]); | |
731 | status = altera_swap_dr(astate, count, charbuf, | |
732 | 0, charbuf, 0); | |
733 | stack[stack_ptr - 1] = get_unaligned_le32(&charbuf[0]); | |
734 | break; | |
735 | case OP_ISS: | |
736 | /* | |
737 | * IRSCAN short | |
738 | * ...stack 0 is scan data | |
739 | * ...stack 1 is count | |
740 | */ | |
741 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
742 | break; | |
743 | long_tmp = stack[--stack_ptr]; | |
744 | count = stack[--stack_ptr]; | |
745 | put_unaligned_le32(long_tmp, &charbuf[0]); | |
746 | status = altera_irscan(astate, count, charbuf, 0); | |
747 | break; | |
748 | case OP_ISSC: | |
749 | /* | |
750 | * IRSCAN short with capture | |
751 | * ...stack 0 is scan data | |
752 | * ...stack 1 is count | |
753 | */ | |
754 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
755 | break; | |
756 | long_tmp = stack[--stack_ptr]; | |
757 | count = stack[stack_ptr - 1]; | |
758 | put_unaligned_le32(long_tmp, &charbuf[0]); | |
759 | status = altera_swap_ir(astate, count, charbuf, | |
760 | 0, charbuf, 0); | |
761 | stack[stack_ptr - 1] = get_unaligned_le32(&charbuf[0]); | |
762 | break; | |
763 | case OP_DPR: | |
764 | if (!altera_check_stack(stack_ptr, 1, &status)) | |
765 | break; | |
766 | count = stack[--stack_ptr]; | |
767 | status = altera_set_dr_pre(&astate->js, count, 0, NULL); | |
768 | break; | |
769 | case OP_DPRL: | |
770 | /* | |
771 | * DRPRE with literal data | |
772 | * ...stack 0 is count | |
773 | * ...stack 1 is literal data | |
774 | */ | |
775 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
776 | break; | |
777 | count = stack[--stack_ptr]; | |
778 | long_tmp = stack[--stack_ptr]; | |
779 | put_unaligned_le32(long_tmp, &charbuf[0]); | |
780 | status = altera_set_dr_pre(&astate->js, count, 0, | |
781 | charbuf); | |
782 | break; | |
783 | case OP_DPO: | |
784 | /* | |
785 | * DRPOST | |
786 | * ...stack 0 is count | |
787 | */ | |
788 | if (altera_check_stack(stack_ptr, 1, &status)) { | |
789 | count = stack[--stack_ptr]; | |
790 | status = altera_set_dr_post(&astate->js, count, | |
791 | 0, NULL); | |
792 | } | |
793 | break; | |
794 | case OP_DPOL: | |
795 | /* | |
796 | * DRPOST with literal data | |
797 | * ...stack 0 is count | |
798 | * ...stack 1 is literal data | |
799 | */ | |
800 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
801 | break; | |
802 | count = stack[--stack_ptr]; | |
803 | long_tmp = stack[--stack_ptr]; | |
804 | put_unaligned_le32(long_tmp, &charbuf[0]); | |
805 | status = altera_set_dr_post(&astate->js, count, 0, | |
806 | charbuf); | |
807 | break; | |
808 | case OP_IPR: | |
809 | if (altera_check_stack(stack_ptr, 1, &status)) { | |
810 | count = stack[--stack_ptr]; | |
811 | status = altera_set_ir_pre(&astate->js, count, | |
812 | 0, NULL); | |
813 | } | |
814 | break; | |
815 | case OP_IPRL: | |
816 | /* | |
817 | * IRPRE with literal data | |
818 | * ...stack 0 is count | |
819 | * ...stack 1 is literal data | |
820 | */ | |
821 | if (altera_check_stack(stack_ptr, 2, &status)) { | |
822 | count = stack[--stack_ptr]; | |
823 | long_tmp = stack[--stack_ptr]; | |
824 | put_unaligned_le32(long_tmp, &charbuf[0]); | |
825 | status = altera_set_ir_pre(&astate->js, count, | |
826 | 0, charbuf); | |
827 | } | |
828 | break; | |
829 | case OP_IPO: | |
830 | /* | |
831 | * IRPOST | |
832 | * ...stack 0 is count | |
833 | */ | |
834 | if (altera_check_stack(stack_ptr, 1, &status)) { | |
835 | count = stack[--stack_ptr]; | |
836 | status = altera_set_ir_post(&astate->js, count, | |
837 | 0, NULL); | |
838 | } | |
839 | break; | |
840 | case OP_IPOL: | |
841 | /* | |
842 | * IRPOST with literal data | |
843 | * ...stack 0 is count | |
844 | * ...stack 1 is literal data | |
845 | */ | |
846 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
847 | break; | |
848 | count = stack[--stack_ptr]; | |
849 | long_tmp = stack[--stack_ptr]; | |
850 | put_unaligned_le32(long_tmp, &charbuf[0]); | |
851 | status = altera_set_ir_post(&astate->js, count, 0, | |
852 | charbuf); | |
853 | break; | |
854 | case OP_PCHR: | |
855 | if (altera_check_stack(stack_ptr, 1, &status)) { | |
856 | u8 ch; | |
857 | count = strlen(msg_buff); | |
858 | ch = (char) stack[--stack_ptr]; | |
859 | if ((ch < 1) || (ch > 127)) { | |
860 | /* | |
861 | * character code out of range | |
862 | * instead of flagging an error, | |
863 | * force the value to 127 | |
864 | */ | |
865 | ch = 127; | |
866 | } | |
867 | msg_buff[count] = ch; | |
868 | msg_buff[count + 1] = '\0'; | |
869 | } | |
870 | break; | |
871 | case OP_EXIT: | |
872 | if (altera_check_stack(stack_ptr, 1, &status)) | |
873 | *exit_code = stack[--stack_ptr]; | |
874 | ||
875 | done = 1; | |
876 | break; | |
877 | case OP_EQU: | |
878 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
879 | break; | |
880 | --stack_ptr; | |
881 | stack[stack_ptr - 1] = | |
882 | (stack[stack_ptr - 1] == stack[stack_ptr]) ? | |
883 | 1L : 0L; | |
884 | break; | |
885 | case OP_POPT: | |
886 | if (altera_check_stack(stack_ptr, 1, &status)) | |
887 | --stack_ptr; | |
888 | ||
889 | break; | |
890 | case OP_ABS: | |
891 | if (!altera_check_stack(stack_ptr, 1, &status)) | |
892 | break; | |
893 | if (stack[stack_ptr - 1] < 0) | |
894 | stack[stack_ptr - 1] = 0 - stack[stack_ptr - 1]; | |
895 | ||
896 | break; | |
897 | case OP_BCH0: | |
898 | /* | |
899 | * Batch operation 0 | |
900 | * SWP | |
901 | * SWPN 7 | |
902 | * SWP | |
903 | * SWPN 6 | |
904 | * DUPN 8 | |
905 | * SWPN 2 | |
906 | * SWP | |
907 | * DUPN 6 | |
908 | * DUPN 6 | |
909 | */ | |
910 | ||
911 | /* SWP */ | |
9145554d JC |
912 | if (altera_check_stack(stack_ptr, 2, &status)) |
913 | swap(stack[stack_ptr - 2], stack[stack_ptr - 1]); | |
fa766c9b IL |
914 | |
915 | /* SWPN 7 */ | |
916 | index = 7 + 1; | |
9145554d JC |
917 | if (altera_check_stack(stack_ptr, index, &status)) |
918 | swap(stack[stack_ptr - index], stack[stack_ptr - 1]); | |
fa766c9b IL |
919 | |
920 | /* SWP */ | |
9145554d JC |
921 | if (altera_check_stack(stack_ptr, 2, &status)) |
922 | swap(stack[stack_ptr - 2], stack[stack_ptr - 1]); | |
fa766c9b IL |
923 | |
924 | /* SWPN 6 */ | |
925 | index = 6 + 1; | |
9145554d JC |
926 | if (altera_check_stack(stack_ptr, index, &status)) |
927 | swap(stack[stack_ptr - index], stack[stack_ptr - 1]); | |
fa766c9b IL |
928 | |
929 | /* DUPN 8 */ | |
930 | index = 8 + 1; | |
931 | if (altera_check_stack(stack_ptr, index, &status)) { | |
932 | stack[stack_ptr] = stack[stack_ptr - index]; | |
933 | ++stack_ptr; | |
934 | } | |
935 | ||
936 | /* SWPN 2 */ | |
937 | index = 2 + 1; | |
9145554d JC |
938 | if (altera_check_stack(stack_ptr, index, &status)) |
939 | swap(stack[stack_ptr - index], stack[stack_ptr - 1]); | |
fa766c9b IL |
940 | |
941 | /* SWP */ | |
9145554d JC |
942 | if (altera_check_stack(stack_ptr, 2, &status)) |
943 | swap(stack[stack_ptr - 2], stack[stack_ptr - 1]); | |
fa766c9b IL |
944 | |
945 | /* DUPN 6 */ | |
946 | index = 6 + 1; | |
947 | if (altera_check_stack(stack_ptr, index, &status)) { | |
948 | stack[stack_ptr] = stack[stack_ptr - index]; | |
949 | ++stack_ptr; | |
950 | } | |
951 | ||
952 | /* DUPN 6 */ | |
953 | index = 6 + 1; | |
954 | if (altera_check_stack(stack_ptr, index, &status)) { | |
955 | stack[stack_ptr] = stack[stack_ptr - index]; | |
956 | ++stack_ptr; | |
957 | } | |
958 | break; | |
959 | case OP_PSH0: | |
960 | stack[stack_ptr++] = 0; | |
961 | break; | |
962 | case OP_PSHL: | |
963 | stack[stack_ptr++] = (s32) args[0]; | |
964 | break; | |
965 | case OP_PSHV: | |
966 | stack[stack_ptr++] = vars[args[0]]; | |
967 | break; | |
968 | case OP_JMP: | |
969 | pc = args[0] + code_sect; | |
970 | if ((pc < code_sect) || (pc >= debug_sect)) | |
971 | status = -ERANGE; | |
972 | break; | |
973 | case OP_CALL: | |
974 | stack[stack_ptr++] = pc; | |
975 | pc = args[0] + code_sect; | |
976 | if ((pc < code_sect) || (pc >= debug_sect)) | |
977 | status = -ERANGE; | |
978 | break; | |
979 | case OP_NEXT: | |
980 | /* | |
981 | * Process FOR / NEXT loop | |
982 | * ...argument 0 is variable ID | |
983 | * ...stack 0 is step value | |
984 | * ...stack 1 is end value | |
985 | * ...stack 2 is top address | |
986 | */ | |
987 | if (altera_check_stack(stack_ptr, 3, &status)) { | |
988 | s32 step = stack[stack_ptr - 1]; | |
989 | s32 end = stack[stack_ptr - 2]; | |
990 | s32 top = stack[stack_ptr - 3]; | |
991 | s32 iterator = vars[args[0]]; | |
992 | int break_out = 0; | |
993 | ||
994 | if (step < 0) { | |
995 | if (iterator <= end) | |
996 | break_out = 1; | |
997 | } else if (iterator >= end) | |
998 | break_out = 1; | |
999 | ||
1000 | if (break_out) { | |
1001 | stack_ptr -= 3; | |
1002 | } else { | |
1003 | vars[args[0]] = iterator + step; | |
1004 | pc = top + code_sect; | |
1005 | if ((pc < code_sect) || | |
1006 | (pc >= debug_sect)) | |
1007 | status = -ERANGE; | |
1008 | } | |
1009 | } | |
1010 | break; | |
1011 | case OP_PSTR: | |
1012 | /* | |
1013 | * PRINT add string | |
1014 | * ...argument 0 is string ID | |
1015 | */ | |
1016 | count = strlen(msg_buff); | |
5192e395 | 1017 | strscpy(&msg_buff[count], |
fa766c9b IL |
1018 | &p[str_table + args[0]], |
1019 | ALTERA_MESSAGE_LENGTH - count); | |
1020 | break; | |
1021 | case OP_SINT: | |
1022 | /* | |
1023 | * STATE intermediate state | |
1024 | * ...argument 0 is state code | |
1025 | */ | |
1026 | status = altera_goto_jstate(astate, args[0]); | |
1027 | break; | |
1028 | case OP_ST: | |
1029 | /* | |
1030 | * STATE final state | |
1031 | * ...argument 0 is state code | |
1032 | */ | |
1033 | status = altera_goto_jstate(astate, args[0]); | |
1034 | break; | |
1035 | case OP_ISTP: | |
1036 | /* | |
1037 | * IRSTOP state | |
1038 | * ...argument 0 is state code | |
1039 | */ | |
1040 | status = altera_set_irstop(&astate->js, args[0]); | |
1041 | break; | |
1042 | case OP_DSTP: | |
1043 | /* | |
1044 | * DRSTOP state | |
1045 | * ...argument 0 is state code | |
1046 | */ | |
1047 | status = altera_set_drstop(&astate->js, args[0]); | |
1048 | break; | |
1049 | ||
1050 | case OP_SWPN: | |
1051 | /* | |
1052 | * Exchange top with Nth stack value | |
1053 | * ...argument 0 is 0-based stack entry | |
1054 | * to swap with top element | |
1055 | */ | |
1056 | index = (args[0]) + 1; | |
9145554d JC |
1057 | if (altera_check_stack(stack_ptr, index, &status)) |
1058 | swap(stack[stack_ptr - index], stack[stack_ptr - 1]); | |
fa766c9b IL |
1059 | break; |
1060 | case OP_DUPN: | |
1061 | /* | |
1062 | * Duplicate Nth stack value | |
1063 | * ...argument 0 is 0-based stack entry to duplicate | |
1064 | */ | |
1065 | index = (args[0]) + 1; | |
1066 | if (altera_check_stack(stack_ptr, index, &status)) { | |
1067 | stack[stack_ptr] = stack[stack_ptr - index]; | |
1068 | ++stack_ptr; | |
1069 | } | |
1070 | break; | |
1071 | case OP_POPV: | |
1072 | /* | |
1073 | * Pop stack into scalar variable | |
1074 | * ...argument 0 is variable ID | |
1075 | * ...stack 0 is value | |
1076 | */ | |
1077 | if (altera_check_stack(stack_ptr, 1, &status)) | |
1078 | vars[args[0]] = stack[--stack_ptr]; | |
1079 | ||
1080 | break; | |
1081 | case OP_POPE: | |
1082 | /* | |
1083 | * Pop stack into integer array element | |
1084 | * ...argument 0 is variable ID | |
1085 | * ...stack 0 is array index | |
1086 | * ...stack 1 is value | |
1087 | */ | |
1088 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
1089 | break; | |
1090 | variable_id = args[0]; | |
1091 | ||
1092 | /* | |
1093 | * If variable is read-only, | |
1094 | * convert to writable array | |
1095 | */ | |
1096 | if ((version > 0) && | |
1097 | ((attrs[variable_id] & 0x9c) == 0x1c)) { | |
1098 | /* Allocate a writable buffer for this array */ | |
1099 | count = var_size[variable_id]; | |
1100 | long_tmp = vars[variable_id]; | |
6396bb22 | 1101 | longptr_tmp = kcalloc(count, sizeof(long), |
fa766c9b IL |
1102 | GFP_KERNEL); |
1103 | vars[variable_id] = (long)longptr_tmp; | |
1104 | ||
1105 | if (vars[variable_id] == 0) { | |
1106 | status = -ENOMEM; | |
1107 | break; | |
1108 | } | |
1109 | ||
1110 | /* copy previous contents into buffer */ | |
1111 | for (i = 0; i < count; ++i) { | |
1112 | longptr_tmp[i] = | |
1113 | get_unaligned_be32(&p[long_tmp]); | |
1114 | long_tmp += sizeof(long); | |
1115 | } | |
1116 | ||
1117 | /* | |
1118 | * set bit 7 - buffer was | |
1119 | * dynamically allocated | |
1120 | */ | |
1121 | attrs[variable_id] |= 0x80; | |
1122 | ||
1123 | /* clear bit 2 - variable is writable */ | |
1124 | attrs[variable_id] &= ~0x04; | |
1125 | attrs[variable_id] |= 0x01; | |
1126 | ||
1127 | } | |
1128 | ||
1129 | /* check that variable is a writable integer array */ | |
1130 | if ((attrs[variable_id] & 0x1c) != 0x18) | |
1131 | status = -ERANGE; | |
1132 | else { | |
1133 | longptr_tmp = (long *)vars[variable_id]; | |
1134 | ||
1135 | /* pop the array index */ | |
1136 | index = stack[--stack_ptr]; | |
1137 | ||
1138 | /* pop the value and store it into the array */ | |
1139 | longptr_tmp[index] = stack[--stack_ptr]; | |
1140 | } | |
1141 | ||
1142 | break; | |
1143 | case OP_POPA: | |
1144 | /* | |
1145 | * Pop stack into Boolean array | |
1146 | * ...argument 0 is variable ID | |
1147 | * ...stack 0 is count | |
1148 | * ...stack 1 is array index | |
1149 | * ...stack 2 is value | |
1150 | */ | |
1151 | if (!altera_check_stack(stack_ptr, 3, &status)) | |
1152 | break; | |
1153 | variable_id = args[0]; | |
1154 | ||
1155 | /* | |
1156 | * If variable is read-only, | |
1157 | * convert to writable array | |
1158 | */ | |
1159 | if ((version > 0) && | |
1160 | ((attrs[variable_id] & 0x9c) == 0x0c)) { | |
1161 | /* Allocate a writable buffer for this array */ | |
1162 | long_tmp = | |
1163 | (var_size[variable_id] + 7L) >> 3L; | |
1164 | charptr_tmp2 = (u8 *)vars[variable_id]; | |
1165 | charptr_tmp = | |
1166 | kzalloc(long_tmp, GFP_KERNEL); | |
1167 | vars[variable_id] = (long)charptr_tmp; | |
1168 | ||
1169 | if (vars[variable_id] == 0) { | |
1170 | status = -ENOMEM; | |
1171 | break; | |
1172 | } | |
1173 | ||
1174 | /* zero the buffer */ | |
1175 | for (long_idx = 0L; | |
1176 | long_idx < long_tmp; | |
1177 | ++long_idx) { | |
1178 | charptr_tmp[long_idx] = 0; | |
1179 | } | |
1180 | ||
1181 | /* copy previous contents into buffer */ | |
1182 | for (long_idx = 0L; | |
1183 | long_idx < var_size[variable_id]; | |
1184 | ++long_idx) { | |
1185 | long_idx2 = long_idx; | |
1186 | ||
1187 | if (charptr_tmp2[long_idx2 >> 3] & | |
1188 | (1 << (long_idx2 & 7))) { | |
1189 | charptr_tmp[long_idx >> 3] |= | |
1190 | (1 << (long_idx & 7)); | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | /* | |
1195 | * set bit 7 - buffer was | |
1196 | * dynamically allocated | |
1197 | */ | |
1198 | attrs[variable_id] |= 0x80; | |
1199 | ||
1200 | /* clear bit 2 - variable is writable */ | |
1201 | attrs[variable_id] &= ~0x04; | |
1202 | attrs[variable_id] |= 0x01; | |
1203 | ||
1204 | } | |
1205 | ||
1206 | /* | |
1207 | * check that variable is | |
1208 | * a writable Boolean array | |
1209 | */ | |
1210 | if ((attrs[variable_id] & 0x1c) != 0x08) { | |
1211 | status = -ERANGE; | |
1212 | break; | |
1213 | } | |
1214 | ||
1215 | charptr_tmp = (u8 *)vars[variable_id]; | |
1216 | ||
1217 | /* pop the count (number of bits to copy) */ | |
1218 | long_count = stack[--stack_ptr]; | |
1219 | ||
1220 | /* pop the array index */ | |
1221 | long_idx = stack[--stack_ptr]; | |
1222 | ||
1223 | reverse = 0; | |
1224 | ||
1225 | if (version > 0) { | |
1226 | /* | |
1227 | * stack 0 = array right index | |
1228 | * stack 1 = array left index | |
1229 | */ | |
1230 | ||
1231 | if (long_idx > long_count) { | |
1232 | reverse = 1; | |
1233 | long_tmp = long_count; | |
1234 | long_count = 1 + long_idx - | |
1235 | long_count; | |
1236 | long_idx = long_tmp; | |
1237 | ||
1238 | /* reverse POPA is not supported */ | |
1239 | status = -ERANGE; | |
1240 | break; | |
1241 | } else | |
1242 | long_count = 1 + long_count - | |
1243 | long_idx; | |
1244 | ||
1245 | } | |
1246 | ||
1247 | /* pop the data */ | |
1248 | long_tmp = stack[--stack_ptr]; | |
1249 | ||
1250 | if (long_count < 1) { | |
1251 | status = -ERANGE; | |
1252 | break; | |
1253 | } | |
1254 | ||
1255 | for (i = 0; i < long_count; ++i) { | |
1256 | if (long_tmp & (1L << (s32) i)) | |
1257 | charptr_tmp[long_idx >> 3L] |= | |
1258 | (1L << (long_idx & 7L)); | |
1259 | else | |
1260 | charptr_tmp[long_idx >> 3L] &= | |
1261 | ~(1L << (long_idx & 7L)); | |
1262 | ||
1263 | ++long_idx; | |
1264 | } | |
1265 | ||
1266 | break; | |
1267 | case OP_JMPZ: | |
1268 | /* | |
1269 | * Pop stack and branch if zero | |
1270 | * ...argument 0 is address | |
1271 | * ...stack 0 is condition value | |
1272 | */ | |
1273 | if (altera_check_stack(stack_ptr, 1, &status)) { | |
1274 | if (stack[--stack_ptr] == 0) { | |
1275 | pc = args[0] + code_sect; | |
1276 | if ((pc < code_sect) || | |
1277 | (pc >= debug_sect)) | |
1278 | status = -ERANGE; | |
1279 | } | |
1280 | } | |
1281 | break; | |
1282 | case OP_DS: | |
1283 | case OP_IS: | |
1284 | /* | |
1285 | * DRSCAN | |
1286 | * IRSCAN | |
1287 | * ...argument 0 is scan data variable ID | |
1288 | * ...stack 0 is array index | |
1289 | * ...stack 1 is count | |
1290 | */ | |
1291 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
1292 | break; | |
1293 | long_idx = stack[--stack_ptr]; | |
1294 | long_count = stack[--stack_ptr]; | |
1295 | reverse = 0; | |
1296 | if (version > 0) { | |
1297 | /* | |
1298 | * stack 0 = array right index | |
1299 | * stack 1 = array left index | |
1300 | * stack 2 = count | |
1301 | */ | |
1302 | long_tmp = long_count; | |
1303 | long_count = stack[--stack_ptr]; | |
1304 | ||
1305 | if (long_idx > long_tmp) { | |
1306 | reverse = 1; | |
1307 | long_idx = long_tmp; | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | charptr_tmp = (u8 *)vars[args[0]]; | |
1312 | ||
1313 | if (reverse) { | |
1314 | /* | |
1315 | * allocate a buffer | |
1316 | * and reverse the data order | |
1317 | */ | |
1318 | charptr_tmp2 = charptr_tmp; | |
1319 | charptr_tmp = kzalloc((long_count >> 3) + 1, | |
1320 | GFP_KERNEL); | |
1321 | if (charptr_tmp == NULL) { | |
1322 | status = -ENOMEM; | |
1323 | break; | |
1324 | } | |
1325 | ||
1326 | long_tmp = long_idx + long_count - 1; | |
1327 | long_idx2 = 0; | |
1328 | while (long_idx2 < long_count) { | |
1329 | if (charptr_tmp2[long_tmp >> 3] & | |
1330 | (1 << (long_tmp & 7))) | |
1331 | charptr_tmp[long_idx2 >> 3] |= | |
1332 | (1 << (long_idx2 & 7)); | |
1333 | else | |
1334 | charptr_tmp[long_idx2 >> 3] &= | |
1335 | ~(1 << (long_idx2 & 7)); | |
1336 | ||
1337 | --long_tmp; | |
1338 | ++long_idx2; | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | if (opcode == 0x51) /* DS */ | |
1343 | status = altera_drscan(astate, long_count, | |
1344 | charptr_tmp, long_idx); | |
1345 | else /* IS */ | |
1346 | status = altera_irscan(astate, long_count, | |
1347 | charptr_tmp, long_idx); | |
1348 | ||
1349 | if (reverse) | |
1350 | kfree(charptr_tmp); | |
1351 | ||
1352 | break; | |
1353 | case OP_DPRA: | |
1354 | /* | |
1355 | * DRPRE with array data | |
1356 | * ...argument 0 is variable ID | |
1357 | * ...stack 0 is array index | |
1358 | * ...stack 1 is count | |
1359 | */ | |
1360 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
1361 | break; | |
1362 | index = stack[--stack_ptr]; | |
1363 | count = stack[--stack_ptr]; | |
1364 | ||
1365 | if (version > 0) | |
1366 | /* | |
1367 | * stack 0 = array right index | |
1368 | * stack 1 = array left index | |
1369 | */ | |
1370 | count = 1 + count - index; | |
1371 | ||
1372 | charptr_tmp = (u8 *)vars[args[0]]; | |
1373 | status = altera_set_dr_pre(&astate->js, count, index, | |
1374 | charptr_tmp); | |
1375 | break; | |
1376 | case OP_DPOA: | |
1377 | /* | |
1378 | * DRPOST with array data | |
1379 | * ...argument 0 is variable ID | |
1380 | * ...stack 0 is array index | |
1381 | * ...stack 1 is count | |
1382 | */ | |
1383 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
1384 | break; | |
1385 | index = stack[--stack_ptr]; | |
1386 | count = stack[--stack_ptr]; | |
1387 | ||
1388 | if (version > 0) | |
1389 | /* | |
1390 | * stack 0 = array right index | |
1391 | * stack 1 = array left index | |
1392 | */ | |
1393 | count = 1 + count - index; | |
1394 | ||
1395 | charptr_tmp = (u8 *)vars[args[0]]; | |
1396 | status = altera_set_dr_post(&astate->js, count, index, | |
1397 | charptr_tmp); | |
1398 | break; | |
1399 | case OP_IPRA: | |
1400 | /* | |
1401 | * IRPRE with array data | |
1402 | * ...argument 0 is variable ID | |
1403 | * ...stack 0 is array index | |
1404 | * ...stack 1 is count | |
1405 | */ | |
1406 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
1407 | break; | |
1408 | index = stack[--stack_ptr]; | |
1409 | count = stack[--stack_ptr]; | |
1410 | ||
1411 | if (version > 0) | |
1412 | /* | |
1413 | * stack 0 = array right index | |
1414 | * stack 1 = array left index | |
1415 | */ | |
1416 | count = 1 + count - index; | |
1417 | ||
1418 | charptr_tmp = (u8 *)vars[args[0]]; | |
1419 | status = altera_set_ir_pre(&astate->js, count, index, | |
1420 | charptr_tmp); | |
1421 | ||
1422 | break; | |
1423 | case OP_IPOA: | |
1424 | /* | |
1425 | * IRPOST with array data | |
1426 | * ...argument 0 is variable ID | |
1427 | * ...stack 0 is array index | |
1428 | * ...stack 1 is count | |
1429 | */ | |
1430 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
1431 | break; | |
1432 | index = stack[--stack_ptr]; | |
1433 | count = stack[--stack_ptr]; | |
1434 | ||
1435 | if (version > 0) | |
1436 | /* | |
1437 | * stack 0 = array right index | |
1438 | * stack 1 = array left index | |
1439 | */ | |
1440 | count = 1 + count - index; | |
1441 | ||
1442 | charptr_tmp = (u8 *)vars[args[0]]; | |
1443 | status = altera_set_ir_post(&astate->js, count, index, | |
1444 | charptr_tmp); | |
1445 | ||
1446 | break; | |
1447 | case OP_EXPT: | |
1448 | /* | |
1449 | * EXPORT | |
1450 | * ...argument 0 is string ID | |
1451 | * ...stack 0 is integer expression | |
1452 | */ | |
1453 | if (altera_check_stack(stack_ptr, 1, &status)) { | |
1454 | name = &p[str_table + args[0]]; | |
1455 | long_tmp = stack[--stack_ptr]; | |
1456 | altera_export_int(name, long_tmp); | |
1457 | } | |
1458 | break; | |
1459 | case OP_PSHE: | |
1460 | /* | |
1461 | * Push integer array element | |
1462 | * ...argument 0 is variable ID | |
1463 | * ...stack 0 is array index | |
1464 | */ | |
1465 | if (!altera_check_stack(stack_ptr, 1, &status)) | |
1466 | break; | |
1467 | variable_id = args[0]; | |
1468 | index = stack[stack_ptr - 1]; | |
1469 | ||
1470 | /* check variable type */ | |
1471 | if ((attrs[variable_id] & 0x1f) == 0x19) { | |
1472 | /* writable integer array */ | |
1473 | longptr_tmp = (long *)vars[variable_id]; | |
1474 | stack[stack_ptr - 1] = longptr_tmp[index]; | |
1475 | } else if ((attrs[variable_id] & 0x1f) == 0x1c) { | |
1476 | /* read-only integer array */ | |
1477 | long_tmp = vars[variable_id] + | |
1478 | (index * sizeof(long)); | |
1479 | stack[stack_ptr - 1] = | |
1480 | get_unaligned_be32(&p[long_tmp]); | |
1481 | } else | |
1482 | status = -ERANGE; | |
1483 | ||
1484 | break; | |
1485 | case OP_PSHA: | |
1486 | /* | |
1487 | * Push Boolean array | |
1488 | * ...argument 0 is variable ID | |
1489 | * ...stack 0 is count | |
1490 | * ...stack 1 is array index | |
1491 | */ | |
1492 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
1493 | break; | |
1494 | variable_id = args[0]; | |
1495 | ||
1496 | /* check that variable is a Boolean array */ | |
1497 | if ((attrs[variable_id] & 0x18) != 0x08) { | |
1498 | status = -ERANGE; | |
1499 | break; | |
1500 | } | |
1501 | ||
1502 | charptr_tmp = (u8 *)vars[variable_id]; | |
1503 | ||
1504 | /* pop the count (number of bits to copy) */ | |
1505 | count = stack[--stack_ptr]; | |
1506 | ||
1507 | /* pop the array index */ | |
1508 | index = stack[stack_ptr - 1]; | |
1509 | ||
1510 | if (version > 0) | |
1511 | /* | |
1512 | * stack 0 = array right index | |
1513 | * stack 1 = array left index | |
1514 | */ | |
1515 | count = 1 + count - index; | |
1516 | ||
1517 | if ((count < 1) || (count > 32)) { | |
1518 | status = -ERANGE; | |
1519 | break; | |
1520 | } | |
1521 | ||
1522 | long_tmp = 0L; | |
1523 | ||
1524 | for (i = 0; i < count; ++i) | |
1525 | if (charptr_tmp[(i + index) >> 3] & | |
1526 | (1 << ((i + index) & 7))) | |
1527 | long_tmp |= (1L << i); | |
1528 | ||
1529 | stack[stack_ptr - 1] = long_tmp; | |
1530 | ||
1531 | break; | |
1532 | case OP_DYNA: | |
1533 | /* | |
1534 | * Dynamically change size of array | |
1535 | * ...argument 0 is variable ID | |
1536 | * ...stack 0 is new size | |
1537 | */ | |
1538 | if (!altera_check_stack(stack_ptr, 1, &status)) | |
1539 | break; | |
1540 | variable_id = args[0]; | |
1541 | long_tmp = stack[--stack_ptr]; | |
1542 | ||
1543 | if (long_tmp > var_size[variable_id]) { | |
1544 | var_size[variable_id] = long_tmp; | |
1545 | ||
1546 | if (attrs[variable_id] & 0x10) | |
1547 | /* allocate integer array */ | |
1548 | long_tmp *= sizeof(long); | |
1549 | else | |
1550 | /* allocate Boolean array */ | |
1551 | long_tmp = (long_tmp + 7) >> 3; | |
1552 | ||
1553 | /* | |
1554 | * If the buffer was previously allocated, | |
1555 | * free it | |
1556 | */ | |
1557 | if (attrs[variable_id] & 0x80) { | |
1558 | kfree((void *)vars[variable_id]); | |
1559 | vars[variable_id] = 0; | |
1560 | } | |
1561 | ||
1562 | /* | |
1563 | * Allocate a new buffer | |
1564 | * of the requested size | |
1565 | */ | |
1566 | vars[variable_id] = (long) | |
1567 | kzalloc(long_tmp, GFP_KERNEL); | |
1568 | ||
1569 | if (vars[variable_id] == 0) { | |
1570 | status = -ENOMEM; | |
1571 | break; | |
1572 | } | |
1573 | ||
1574 | /* | |
1575 | * Set the attribute bit to indicate that | |
1576 | * this buffer was dynamically allocated and | |
1577 | * should be freed later | |
1578 | */ | |
1579 | attrs[variable_id] |= 0x80; | |
1580 | ||
1581 | /* zero out memory */ | |
1582 | count = ((var_size[variable_id] + 7L) / | |
1583 | 8L); | |
1584 | charptr_tmp = (u8 *)(vars[variable_id]); | |
1585 | for (index = 0; index < count; ++index) | |
1586 | charptr_tmp[index] = 0; | |
1587 | ||
1588 | } | |
1589 | ||
1590 | break; | |
1591 | case OP_EXPV: | |
1592 | /* | |
1593 | * Export Boolean array | |
1594 | * ...argument 0 is string ID | |
1595 | * ...stack 0 is variable ID | |
1596 | * ...stack 1 is array right index | |
1597 | * ...stack 2 is array left index | |
1598 | */ | |
1599 | if (!altera_check_stack(stack_ptr, 3, &status)) | |
1600 | break; | |
1601 | if (version == 0) { | |
1602 | /* EXPV is not supported in JBC 1.0 */ | |
1603 | bad_opcode = 1; | |
1604 | break; | |
1605 | } | |
1606 | name = &p[str_table + args[0]]; | |
1607 | variable_id = stack[--stack_ptr]; | |
1608 | long_idx = stack[--stack_ptr];/* right indx */ | |
1609 | long_idx2 = stack[--stack_ptr];/* left indx */ | |
1610 | ||
1611 | if (long_idx > long_idx2) { | |
1612 | /* reverse indices not supported */ | |
1613 | status = -ERANGE; | |
1614 | break; | |
1615 | } | |
1616 | ||
1617 | long_count = 1 + long_idx2 - long_idx; | |
1618 | ||
1619 | charptr_tmp = (u8 *)vars[variable_id]; | |
1620 | charptr_tmp2 = NULL; | |
1621 | ||
1622 | if ((long_idx & 7L) != 0) { | |
1623 | s32 k = long_idx; | |
1624 | charptr_tmp2 = | |
1625 | kzalloc(((long_count + 7L) / 8L), | |
1626 | GFP_KERNEL); | |
1627 | if (charptr_tmp2 == NULL) { | |
1628 | status = -ENOMEM; | |
1629 | break; | |
1630 | } | |
1631 | ||
1632 | for (i = 0; i < long_count; ++i) { | |
1633 | if (charptr_tmp[k >> 3] & | |
1634 | (1 << (k & 7))) | |
1635 | charptr_tmp2[i >> 3] |= | |
1636 | (1 << (i & 7)); | |
1637 | else | |
1638 | charptr_tmp2[i >> 3] &= | |
1639 | ~(1 << (i & 7)); | |
1640 | ||
1641 | ++k; | |
1642 | } | |
1643 | charptr_tmp = charptr_tmp2; | |
1644 | ||
1645 | } else if (long_idx != 0) | |
1646 | charptr_tmp = &charptr_tmp[long_idx >> 3]; | |
1647 | ||
1648 | altera_export_bool_array(name, charptr_tmp, | |
1649 | long_count); | |
1650 | ||
1651 | /* free allocated buffer */ | |
1652 | if ((long_idx & 7L) != 0) | |
1653 | kfree(charptr_tmp2); | |
1654 | ||
1655 | break; | |
1656 | case OP_COPY: { | |
1657 | /* | |
1658 | * Array copy | |
1659 | * ...argument 0 is dest ID | |
1660 | * ...argument 1 is source ID | |
1661 | * ...stack 0 is count | |
1662 | * ...stack 1 is dest index | |
1663 | * ...stack 2 is source index | |
1664 | */ | |
1665 | s32 copy_count; | |
1666 | s32 copy_index; | |
1667 | s32 copy_index2; | |
1668 | s32 destleft; | |
1669 | s32 src_count; | |
1670 | s32 dest_count; | |
1671 | int src_reverse = 0; | |
1672 | int dest_reverse = 0; | |
1673 | ||
1674 | if (!altera_check_stack(stack_ptr, 3, &status)) | |
1675 | break; | |
1676 | ||
1677 | copy_count = stack[--stack_ptr]; | |
1678 | copy_index = stack[--stack_ptr]; | |
1679 | copy_index2 = stack[--stack_ptr]; | |
1680 | reverse = 0; | |
1681 | ||
1682 | if (version > 0) { | |
1683 | /* | |
1684 | * stack 0 = source right index | |
1685 | * stack 1 = source left index | |
1686 | * stack 2 = destination right index | |
1687 | * stack 3 = destination left index | |
1688 | */ | |
1689 | destleft = stack[--stack_ptr]; | |
1690 | ||
1691 | if (copy_count > copy_index) { | |
1692 | src_reverse = 1; | |
1693 | reverse = 1; | |
1694 | src_count = 1 + copy_count - copy_index; | |
1695 | /* copy_index = source start index */ | |
1696 | } else { | |
1697 | src_count = 1 + copy_index - copy_count; | |
1698 | /* source start index */ | |
1699 | copy_index = copy_count; | |
1700 | } | |
1701 | ||
1702 | if (copy_index2 > destleft) { | |
1703 | dest_reverse = 1; | |
1704 | reverse = !reverse; | |
1705 | dest_count = 1 + copy_index2 - destleft; | |
1706 | /* destination start index */ | |
1707 | copy_index2 = destleft; | |
1708 | } else | |
1709 | dest_count = 1 + destleft - copy_index2; | |
1710 | ||
1711 | copy_count = (src_count < dest_count) ? | |
1712 | src_count : dest_count; | |
1713 | ||
1714 | if ((src_reverse || dest_reverse) && | |
1715 | (src_count != dest_count)) | |
1716 | /* | |
1717 | * If either the source or destination | |
1718 | * is reversed, we can't tolerate | |
1719 | * a length mismatch, because we | |
1720 | * "left justify" arrays when copying. | |
1721 | * This won't work correctly | |
1722 | * with reversed arrays. | |
1723 | */ | |
1724 | status = -ERANGE; | |
1725 | ||
1726 | } | |
1727 | ||
1728 | count = copy_count; | |
1729 | index = copy_index; | |
1730 | index2 = copy_index2; | |
1731 | ||
1732 | /* | |
1733 | * If destination is a read-only array, | |
1734 | * allocate a buffer and convert it to a writable array | |
1735 | */ | |
1736 | variable_id = args[1]; | |
1737 | if ((version > 0) && | |
1738 | ((attrs[variable_id] & 0x9c) == 0x0c)) { | |
1739 | /* Allocate a writable buffer for this array */ | |
1740 | long_tmp = | |
1741 | (var_size[variable_id] + 7L) >> 3L; | |
1742 | charptr_tmp2 = (u8 *)vars[variable_id]; | |
1743 | charptr_tmp = | |
1744 | kzalloc(long_tmp, GFP_KERNEL); | |
1745 | vars[variable_id] = (long)charptr_tmp; | |
1746 | ||
1747 | if (vars[variable_id] == 0) { | |
1748 | status = -ENOMEM; | |
1749 | break; | |
1750 | } | |
1751 | ||
1752 | /* zero the buffer */ | |
1753 | for (long_idx = 0L; long_idx < long_tmp; | |
1754 | ++long_idx) | |
1755 | charptr_tmp[long_idx] = 0; | |
1756 | ||
1757 | /* copy previous contents into buffer */ | |
1758 | for (long_idx = 0L; | |
1759 | long_idx < var_size[variable_id]; | |
1760 | ++long_idx) { | |
1761 | long_idx2 = long_idx; | |
1762 | ||
1763 | if (charptr_tmp2[long_idx2 >> 3] & | |
1764 | (1 << (long_idx2 & 7))) | |
1765 | charptr_tmp[long_idx >> 3] |= | |
1766 | (1 << (long_idx & 7)); | |
1767 | ||
1768 | } | |
1769 | ||
1770 | /* | |
1771 | set bit 7 - buffer was dynamically allocated */ | |
1772 | attrs[variable_id] |= 0x80; | |
1773 | ||
1774 | /* clear bit 2 - variable is writable */ | |
1775 | attrs[variable_id] &= ~0x04; | |
1776 | attrs[variable_id] |= 0x01; | |
1777 | } | |
1778 | ||
1779 | charptr_tmp = (u8 *)vars[args[1]]; | |
1780 | charptr_tmp2 = (u8 *)vars[args[0]]; | |
1781 | ||
1782 | /* check if destination is a writable Boolean array */ | |
1783 | if ((attrs[args[1]] & 0x1c) != 0x08) { | |
1784 | status = -ERANGE; | |
1785 | break; | |
1786 | } | |
1787 | ||
1788 | if (count < 1) { | |
1789 | status = -ERANGE; | |
1790 | break; | |
1791 | } | |
1792 | ||
1793 | if (reverse) | |
1794 | index2 += (count - 1); | |
1795 | ||
1796 | for (i = 0; i < count; ++i) { | |
1797 | if (charptr_tmp2[index >> 3] & | |
1798 | (1 << (index & 7))) | |
1799 | charptr_tmp[index2 >> 3] |= | |
1800 | (1 << (index2 & 7)); | |
1801 | else | |
1802 | charptr_tmp[index2 >> 3] &= | |
1803 | ~(1 << (index2 & 7)); | |
1804 | ||
1805 | ++index; | |
1806 | if (reverse) | |
1807 | --index2; | |
1808 | else | |
1809 | ++index2; | |
1810 | } | |
1811 | ||
1812 | break; | |
1813 | } | |
1814 | case OP_DSC: | |
1815 | case OP_ISC: { | |
1816 | /* | |
1817 | * DRSCAN with capture | |
1818 | * IRSCAN with capture | |
1819 | * ...argument 0 is scan data variable ID | |
1820 | * ...argument 1 is capture variable ID | |
1821 | * ...stack 0 is capture index | |
1822 | * ...stack 1 is scan data index | |
1823 | * ...stack 2 is count | |
1824 | */ | |
1825 | s32 scan_right, scan_left; | |
1826 | s32 capture_count = 0; | |
1827 | s32 scan_count = 0; | |
1828 | s32 capture_index; | |
1829 | s32 scan_index; | |
1830 | ||
1831 | if (!altera_check_stack(stack_ptr, 3, &status)) | |
1832 | break; | |
1833 | ||
1834 | capture_index = stack[--stack_ptr]; | |
1835 | scan_index = stack[--stack_ptr]; | |
1836 | ||
1837 | if (version > 0) { | |
1838 | /* | |
1839 | * stack 0 = capture right index | |
1840 | * stack 1 = capture left index | |
1841 | * stack 2 = scan right index | |
1842 | * stack 3 = scan left index | |
1843 | * stack 4 = count | |
1844 | */ | |
1845 | scan_right = stack[--stack_ptr]; | |
1846 | scan_left = stack[--stack_ptr]; | |
1847 | capture_count = 1 + scan_index - capture_index; | |
1848 | scan_count = 1 + scan_left - scan_right; | |
1849 | scan_index = scan_right; | |
1850 | } | |
1851 | ||
1852 | long_count = stack[--stack_ptr]; | |
1853 | /* | |
1854 | * If capture array is read-only, allocate a buffer | |
1855 | * and convert it to a writable array | |
1856 | */ | |
1857 | variable_id = args[1]; | |
1858 | if ((version > 0) && | |
1859 | ((attrs[variable_id] & 0x9c) == 0x0c)) { | |
1860 | /* Allocate a writable buffer for this array */ | |
1861 | long_tmp = | |
1862 | (var_size[variable_id] + 7L) >> 3L; | |
1863 | charptr_tmp2 = (u8 *)vars[variable_id]; | |
1864 | charptr_tmp = | |
1865 | kzalloc(long_tmp, GFP_KERNEL); | |
1866 | vars[variable_id] = (long)charptr_tmp; | |
1867 | ||
1868 | if (vars[variable_id] == 0) { | |
1869 | status = -ENOMEM; | |
1870 | break; | |
1871 | } | |
1872 | ||
1873 | /* zero the buffer */ | |
1874 | for (long_idx = 0L; long_idx < long_tmp; | |
1875 | ++long_idx) | |
1876 | charptr_tmp[long_idx] = 0; | |
1877 | ||
1878 | /* copy previous contents into buffer */ | |
1879 | for (long_idx = 0L; | |
1880 | long_idx < var_size[variable_id]; | |
1881 | ++long_idx) { | |
1882 | long_idx2 = long_idx; | |
1883 | ||
1884 | if (charptr_tmp2[long_idx2 >> 3] & | |
1885 | (1 << (long_idx2 & 7))) | |
1886 | charptr_tmp[long_idx >> 3] |= | |
1887 | (1 << (long_idx & 7)); | |
1888 | ||
1889 | } | |
1890 | ||
1891 | /* | |
1892 | * set bit 7 - buffer was | |
1893 | * dynamically allocated | |
1894 | */ | |
1895 | attrs[variable_id] |= 0x80; | |
1896 | ||
1897 | /* clear bit 2 - variable is writable */ | |
1898 | attrs[variable_id] &= ~0x04; | |
1899 | attrs[variable_id] |= 0x01; | |
1900 | ||
1901 | } | |
1902 | ||
1903 | charptr_tmp = (u8 *)vars[args[0]]; | |
1904 | charptr_tmp2 = (u8 *)vars[args[1]]; | |
1905 | ||
1906 | if ((version > 0) && | |
1907 | ((long_count > capture_count) || | |
1908 | (long_count > scan_count))) { | |
1909 | status = -ERANGE; | |
1910 | break; | |
1911 | } | |
1912 | ||
1913 | /* | |
1914 | * check that capture array | |
1915 | * is a writable Boolean array | |
1916 | */ | |
1917 | if ((attrs[args[1]] & 0x1c) != 0x08) { | |
1918 | status = -ERANGE; | |
1919 | break; | |
1920 | } | |
1921 | ||
1922 | if (status == 0) { | |
1923 | if (opcode == 0x82) /* DSC */ | |
1924 | status = altera_swap_dr(astate, | |
1925 | long_count, | |
1926 | charptr_tmp, | |
1927 | scan_index, | |
1928 | charptr_tmp2, | |
1929 | capture_index); | |
1930 | else /* ISC */ | |
1931 | status = altera_swap_ir(astate, | |
1932 | long_count, | |
1933 | charptr_tmp, | |
1934 | scan_index, | |
1935 | charptr_tmp2, | |
1936 | capture_index); | |
1937 | ||
1938 | } | |
1939 | ||
1940 | break; | |
1941 | } | |
1942 | case OP_WAIT: | |
1943 | /* | |
1944 | * WAIT | |
1945 | * ...argument 0 is wait state | |
1946 | * ...argument 1 is end state | |
1947 | * ...stack 0 is cycles | |
1948 | * ...stack 1 is microseconds | |
1949 | */ | |
1950 | if (!altera_check_stack(stack_ptr, 2, &status)) | |
1951 | break; | |
1952 | long_tmp = stack[--stack_ptr]; | |
1953 | ||
1954 | if (long_tmp != 0L) | |
1955 | status = altera_wait_cycles(astate, long_tmp, | |
1956 | args[0]); | |
1957 | ||
1958 | long_tmp = stack[--stack_ptr]; | |
1959 | ||
1960 | if ((status == 0) && (long_tmp != 0L)) | |
1961 | status = altera_wait_msecs(astate, | |
1962 | long_tmp, | |
1963 | args[0]); | |
1964 | ||
1965 | if ((status == 0) && (args[1] != args[0])) | |
1966 | status = altera_goto_jstate(astate, | |
1967 | args[1]); | |
1968 | ||
1969 | if (version > 0) { | |
1970 | --stack_ptr; /* throw away MAX cycles */ | |
1971 | --stack_ptr; /* throw away MAX microseconds */ | |
1972 | } | |
1973 | break; | |
1974 | case OP_CMPA: { | |
1975 | /* | |
1976 | * Array compare | |
1977 | * ...argument 0 is source 1 ID | |
1978 | * ...argument 1 is source 2 ID | |
1979 | * ...argument 2 is mask ID | |
1980 | * ...stack 0 is source 1 index | |
1981 | * ...stack 1 is source 2 index | |
1982 | * ...stack 2 is mask index | |
1983 | * ...stack 3 is count | |
1984 | */ | |
1985 | s32 a, b; | |
1986 | u8 *source1 = (u8 *)vars[args[0]]; | |
1987 | u8 *source2 = (u8 *)vars[args[1]]; | |
1988 | u8 *mask = (u8 *)vars[args[2]]; | |
1989 | u32 index1; | |
1990 | u32 index2; | |
1991 | u32 mask_index; | |
1992 | ||
1993 | if (!altera_check_stack(stack_ptr, 4, &status)) | |
1994 | break; | |
1995 | ||
1996 | index1 = stack[--stack_ptr]; | |
1997 | index2 = stack[--stack_ptr]; | |
1998 | mask_index = stack[--stack_ptr]; | |
1999 | long_count = stack[--stack_ptr]; | |
2000 | ||
2001 | if (version > 0) { | |
2002 | /* | |
2003 | * stack 0 = source 1 right index | |
2004 | * stack 1 = source 1 left index | |
2005 | * stack 2 = source 2 right index | |
2006 | * stack 3 = source 2 left index | |
2007 | * stack 4 = mask right index | |
2008 | * stack 5 = mask left index | |
2009 | */ | |
2010 | s32 mask_right = stack[--stack_ptr]; | |
2011 | s32 mask_left = stack[--stack_ptr]; | |
2012 | /* source 1 count */ | |
2013 | a = 1 + index2 - index1; | |
2014 | /* source 2 count */ | |
2015 | b = 1 + long_count - mask_index; | |
2016 | a = (a < b) ? a : b; | |
2017 | /* mask count */ | |
2018 | b = 1 + mask_left - mask_right; | |
2019 | a = (a < b) ? a : b; | |
2020 | /* source 2 start index */ | |
2021 | index2 = mask_index; | |
2022 | /* mask start index */ | |
2023 | mask_index = mask_right; | |
2024 | long_count = a; | |
2025 | } | |
2026 | ||
2027 | long_tmp = 1L; | |
2028 | ||
2029 | if (long_count < 1) | |
2030 | status = -ERANGE; | |
2031 | else { | |
2032 | count = long_count; | |
2033 | ||
2034 | for (i = 0; i < count; ++i) { | |
2035 | if (mask[mask_index >> 3] & | |
2036 | (1 << (mask_index & 7))) { | |
2037 | a = source1[index1 >> 3] & | |
2038 | (1 << (index1 & 7)) | |
2039 | ? 1 : 0; | |
2040 | b = source2[index2 >> 3] & | |
2041 | (1 << (index2 & 7)) | |
2042 | ? 1 : 0; | |
2043 | ||
2044 | if (a != b) /* failure */ | |
2045 | long_tmp = 0L; | |
2046 | } | |
2047 | ++index1; | |
2048 | ++index2; | |
2049 | ++mask_index; | |
2050 | } | |
2051 | } | |
2052 | ||
2053 | stack[stack_ptr++] = long_tmp; | |
2054 | ||
2055 | break; | |
2056 | } | |
2057 | default: | |
2058 | /* Unrecognized opcode -- ERROR! */ | |
2059 | bad_opcode = 1; | |
2060 | break; | |
2061 | } | |
2062 | ||
2063 | if (bad_opcode) | |
2064 | status = -ENOSYS; | |
2065 | ||
2066 | if ((stack_ptr < 0) || (stack_ptr >= ALTERA_STACK_SIZE)) | |
2067 | status = -EOVERFLOW; | |
2068 | ||
2069 | if (status != 0) { | |
2070 | done = 1; | |
2071 | *error_address = (s32)(opcode_address - code_sect); | |
2072 | } | |
2073 | } | |
2074 | ||
2075 | altera_free_buffers(astate); | |
2076 | ||
2077 | /* Free all dynamically allocated arrays */ | |
2078 | if ((attrs != NULL) && (vars != NULL)) | |
2079 | for (i = 0; i < sym_count; ++i) | |
2080 | if (attrs[i] & 0x80) | |
2081 | kfree((void *)vars[i]); | |
2082 | ||
2083 | kfree(vars); | |
2084 | kfree(var_size); | |
2085 | kfree(attrs); | |
2086 | kfree(proc_attributes); | |
2087 | ||
2088 | return status; | |
2089 | } | |
2090 | ||
3745488e DA |
2091 | static int altera_get_note(u8 *p, s32 program_size, s32 *offset, |
2092 | char *key, char *value, int keylen, int vallen) | |
fa766c9b IL |
2093 | /* |
2094 | * Gets key and value of NOTE fields in the JBC file. | |
2095 | * Can be called in two modes: if offset pointer is NULL, | |
2096 | * then the function searches for note fields which match | |
2097 | * the key string provided. If offset is not NULL, then | |
2098 | * the function finds the next note field of any key, | |
2099 | * starting at the offset specified by the offset pointer. | |
2100 | * Returns 0 for success, else appropriate error code | |
2101 | */ | |
2102 | { | |
2103 | int status = -ENODATA; | |
2104 | u32 note_strings = 0L; | |
2105 | u32 note_table = 0L; | |
2106 | u32 note_count = 0L; | |
2107 | u32 first_word = 0L; | |
2108 | int version = 0; | |
2109 | int delta = 0; | |
2110 | char *key_ptr; | |
2111 | char *value_ptr; | |
2112 | int i; | |
2113 | ||
2114 | /* Read header information */ | |
2115 | if (program_size > 52L) { | |
2116 | first_word = get_unaligned_be32(&p[0]); | |
2117 | version = (first_word & 1L); | |
2118 | delta = version * 8; | |
2119 | ||
2120 | note_strings = get_unaligned_be32(&p[8 + delta]); | |
2121 | note_table = get_unaligned_be32(&p[12 + delta]); | |
2122 | note_count = get_unaligned_be32(&p[44 + (2 * delta)]); | |
2123 | } | |
2124 | ||
2125 | if ((first_word != 0x4A414D00L) && (first_word != 0x4A414D01L)) | |
2126 | return -EIO; | |
2127 | ||
2128 | if (note_count <= 0L) | |
2129 | return status; | |
2130 | ||
2131 | if (offset == NULL) { | |
2132 | /* | |
2133 | * We will search for the first note with a specific key, | |
2134 | * and return only the value | |
2135 | */ | |
2136 | for (i = 0; (i < note_count) && | |
2137 | (status != 0); ++i) { | |
2138 | key_ptr = &p[note_strings + | |
2139 | get_unaligned_be32( | |
2140 | &p[note_table + (8 * i)])]; | |
9ccb6456 | 2141 | if (key && !strncasecmp(key, key_ptr, strlen(key_ptr))) { |
fa766c9b IL |
2142 | status = 0; |
2143 | ||
2144 | value_ptr = &p[note_strings + | |
2145 | get_unaligned_be32( | |
2146 | &p[note_table + (8 * i) + 4])]; | |
2147 | ||
2148 | if (value != NULL) | |
5192e395 | 2149 | strscpy(value, value_ptr, vallen); |
fa766c9b IL |
2150 | |
2151 | } | |
2152 | } | |
2153 | } else { | |
2154 | /* | |
2155 | * We will search for the next note, regardless of the key, | |
2156 | * and return both the value and the key | |
2157 | */ | |
2158 | ||
2159 | i = *offset; | |
2160 | ||
2161 | if ((i >= 0) && (i < note_count)) { | |
2162 | status = 0; | |
2163 | ||
2164 | if (key != NULL) | |
5192e395 | 2165 | strscpy(key, &p[note_strings + |
fa766c9b IL |
2166 | get_unaligned_be32( |
2167 | &p[note_table + (8 * i)])], | |
3745488e | 2168 | keylen); |
fa766c9b IL |
2169 | |
2170 | if (value != NULL) | |
5192e395 | 2171 | strscpy(value, &p[note_strings + |
fa766c9b IL |
2172 | get_unaligned_be32( |
2173 | &p[note_table + (8 * i) + 4])], | |
3745488e | 2174 | vallen); |
fa766c9b IL |
2175 | |
2176 | *offset = i + 1; | |
2177 | } | |
2178 | } | |
2179 | ||
2180 | return status; | |
2181 | } | |
2182 | ||
2183 | static int altera_check_crc(u8 *p, s32 program_size) | |
2184 | { | |
2185 | int status = 0; | |
2186 | u16 local_expected = 0, | |
2187 | local_actual = 0, | |
2188 | shift_reg = 0xffff; | |
2189 | int bit, feedback; | |
2190 | u8 databyte; | |
2191 | u32 i; | |
2192 | u32 crc_section = 0L; | |
2193 | u32 first_word = 0L; | |
2194 | int version = 0; | |
2195 | int delta = 0; | |
2196 | ||
2197 | if (program_size > 52L) { | |
2198 | first_word = get_unaligned_be32(&p[0]); | |
2199 | version = (first_word & 1L); | |
2200 | delta = version * 8; | |
2201 | ||
2202 | crc_section = get_unaligned_be32(&p[32 + delta]); | |
2203 | } | |
2204 | ||
2205 | if ((first_word != 0x4A414D00L) && (first_word != 0x4A414D01L)) | |
2206 | status = -EIO; | |
2207 | ||
2208 | if (crc_section >= program_size) | |
2209 | status = -EIO; | |
2210 | ||
2211 | if (status == 0) { | |
2212 | local_expected = (u16)get_unaligned_be16(&p[crc_section]); | |
2213 | ||
2214 | for (i = 0; i < crc_section; ++i) { | |
2215 | databyte = p[i]; | |
2216 | for (bit = 0; bit < 8; bit++) { | |
2217 | feedback = (databyte ^ shift_reg) & 0x01; | |
2218 | shift_reg >>= 1; | |
2219 | if (feedback) | |
2220 | shift_reg ^= 0x8408; | |
2221 | ||
2222 | databyte >>= 1; | |
2223 | } | |
2224 | } | |
2225 | ||
2226 | local_actual = (u16)~shift_reg; | |
2227 | ||
2228 | if (local_expected != local_actual) | |
2229 | status = -EILSEQ; | |
2230 | ||
2231 | } | |
2232 | ||
2233 | if (debug || status) { | |
2234 | switch (status) { | |
2235 | case 0: | |
2236 | printk(KERN_INFO "%s: CRC matched: %04x\n", __func__, | |
2237 | local_actual); | |
2238 | break; | |
2239 | case -EILSEQ: | |
2240 | printk(KERN_ERR "%s: CRC mismatch: expected %04x, " | |
2241 | "actual %04x\n", __func__, local_expected, | |
2242 | local_actual); | |
2243 | break; | |
fa766c9b IL |
2244 | case -EIO: |
2245 | printk(KERN_ERR "%s: error: format isn't " | |
2246 | "recognized.\n", __func__); | |
2247 | break; | |
2248 | default: | |
2249 | printk(KERN_ERR "%s: CRC function returned error " | |
2250 | "code %d\n", __func__, status); | |
2251 | break; | |
2252 | } | |
2253 | } | |
2254 | ||
2255 | return status; | |
2256 | } | |
2257 | ||
2258 | static int altera_get_file_info(u8 *p, | |
2259 | s32 program_size, | |
2260 | int *format_version, | |
2261 | int *action_count, | |
2262 | int *procedure_count) | |
2263 | { | |
2264 | int status = -EIO; | |
2265 | u32 first_word = 0; | |
2266 | int version = 0; | |
2267 | ||
2268 | if (program_size <= 52L) | |
2269 | return status; | |
2270 | ||
2271 | first_word = get_unaligned_be32(&p[0]); | |
2272 | ||
2273 | if ((first_word == 0x4A414D00L) || (first_word == 0x4A414D01L)) { | |
2274 | status = 0; | |
2275 | ||
2276 | version = (first_word & 1L); | |
2277 | *format_version = version + 1; | |
2278 | ||
2279 | if (version > 0) { | |
2280 | *action_count = get_unaligned_be32(&p[48]); | |
2281 | *procedure_count = get_unaligned_be32(&p[52]); | |
2282 | } | |
2283 | } | |
2284 | ||
2285 | return status; | |
2286 | } | |
2287 | ||
2288 | static int altera_get_act_info(u8 *p, | |
2289 | s32 program_size, | |
2290 | int index, | |
2291 | char **name, | |
2292 | char **description, | |
2293 | struct altera_procinfo **proc_list) | |
2294 | { | |
2295 | int status = -EIO; | |
2296 | struct altera_procinfo *procptr = NULL; | |
2297 | struct altera_procinfo *tmpptr = NULL; | |
2298 | u32 first_word = 0L; | |
2299 | u32 action_table = 0L; | |
2300 | u32 proc_table = 0L; | |
2301 | u32 str_table = 0L; | |
2302 | u32 note_strings = 0L; | |
2303 | u32 action_count = 0L; | |
2304 | u32 proc_count = 0L; | |
2305 | u32 act_name_id = 0L; | |
2306 | u32 act_desc_id = 0L; | |
2307 | u32 act_proc_id = 0L; | |
2308 | u32 act_proc_name = 0L; | |
2309 | u8 act_proc_attribute = 0; | |
2310 | ||
2311 | if (program_size <= 52L) | |
2312 | return status; | |
2313 | /* Read header information */ | |
2314 | first_word = get_unaligned_be32(&p[0]); | |
2315 | ||
2316 | if (first_word != 0x4A414D01L) | |
2317 | return status; | |
2318 | ||
2319 | action_table = get_unaligned_be32(&p[4]); | |
2320 | proc_table = get_unaligned_be32(&p[8]); | |
2321 | str_table = get_unaligned_be32(&p[12]); | |
2322 | note_strings = get_unaligned_be32(&p[16]); | |
2323 | action_count = get_unaligned_be32(&p[48]); | |
2324 | proc_count = get_unaligned_be32(&p[52]); | |
2325 | ||
2326 | if (index >= action_count) | |
2327 | return status; | |
2328 | ||
2329 | act_name_id = get_unaligned_be32(&p[action_table + (12 * index)]); | |
2330 | act_desc_id = get_unaligned_be32(&p[action_table + (12 * index) + 4]); | |
2331 | act_proc_id = get_unaligned_be32(&p[action_table + (12 * index) + 8]); | |
2332 | ||
2333 | *name = &p[str_table + act_name_id]; | |
2334 | ||
2335 | if (act_desc_id < (note_strings - str_table)) | |
2336 | *description = &p[str_table + act_desc_id]; | |
2337 | ||
2338 | do { | |
2339 | act_proc_name = get_unaligned_be32( | |
2340 | &p[proc_table + (13 * act_proc_id)]); | |
2341 | act_proc_attribute = | |
2342 | (p[proc_table + (13 * act_proc_id) + 8] & 0x03); | |
2343 | ||
8c82b13a | 2344 | procptr = |
fa766c9b IL |
2345 | kzalloc(sizeof(struct altera_procinfo), |
2346 | GFP_KERNEL); | |
2347 | ||
2348 | if (procptr == NULL) | |
2349 | status = -ENOMEM; | |
2350 | else { | |
2351 | procptr->name = &p[str_table + act_proc_name]; | |
2352 | procptr->attrs = act_proc_attribute; | |
2353 | procptr->next = NULL; | |
2354 | ||
2355 | /* add record to end of linked list */ | |
2356 | if (*proc_list == NULL) | |
2357 | *proc_list = procptr; | |
2358 | else { | |
2359 | tmpptr = *proc_list; | |
2360 | while (tmpptr->next != NULL) | |
2361 | tmpptr = tmpptr->next; | |
2362 | tmpptr->next = procptr; | |
2363 | } | |
2364 | } | |
2365 | ||
2366 | act_proc_id = get_unaligned_be32( | |
2367 | &p[proc_table + (13 * act_proc_id) + 4]); | |
2368 | } while ((act_proc_id != 0) && (act_proc_id < proc_count)); | |
2369 | ||
2370 | return status; | |
2371 | } | |
2372 | ||
2373 | int altera_init(struct altera_config *config, const struct firmware *fw) | |
2374 | { | |
2375 | struct altera_state *astate = NULL; | |
2376 | struct altera_procinfo *proc_list = NULL; | |
2377 | struct altera_procinfo *procptr = NULL; | |
2378 | char *key = NULL; | |
2379 | char *value = NULL; | |
2380 | char *action_name = NULL; | |
2381 | char *description = NULL; | |
2382 | int exec_result = 0; | |
2383 | int exit_code = 0; | |
2384 | int format_version = 0; | |
2385 | int action_count = 0; | |
2386 | int procedure_count = 0; | |
2387 | int index = 0; | |
2388 | s32 offset = 0L; | |
2389 | s32 error_address = 0L; | |
c0777d22 | 2390 | int retval = 0; |
fa766c9b | 2391 | |
c0777d22 PH |
2392 | key = kzalloc(33, GFP_KERNEL); |
2393 | if (!key) { | |
2394 | retval = -ENOMEM; | |
2395 | goto out; | |
2396 | } | |
2397 | value = kzalloc(257, GFP_KERNEL); | |
2398 | if (!value) { | |
2399 | retval = -ENOMEM; | |
2400 | goto free_key; | |
2401 | } | |
fa766c9b | 2402 | astate = kzalloc(sizeof(struct altera_state), GFP_KERNEL); |
c0777d22 PH |
2403 | if (!astate) { |
2404 | retval = -ENOMEM; | |
2405 | goto free_value; | |
2406 | } | |
fa766c9b IL |
2407 | |
2408 | astate->config = config; | |
2409 | if (!astate->config->jtag_io) { | |
128f20c0 NS |
2410 | if (!IS_ENABLED(CONFIG_HAS_IOPORT)) { |
2411 | retval = -ENODEV; | |
2412 | goto free_state; | |
2413 | } | |
4ae555a5 | 2414 | dprintk("%s: using byteblaster!\n", __func__); |
fa766c9b IL |
2415 | astate->config->jtag_io = netup_jtag_io_lpt; |
2416 | } | |
2417 | ||
2418 | altera_check_crc((u8 *)fw->data, fw->size); | |
2419 | ||
2420 | if (debug) { | |
2421 | altera_get_file_info((u8 *)fw->data, fw->size, &format_version, | |
2422 | &action_count, &procedure_count); | |
2423 | printk(KERN_INFO "%s: File format is %s ByteCode format\n", | |
2424 | __func__, (format_version == 2) ? "Jam STAPL" : | |
2425 | "pre-standardized Jam 1.1"); | |
2426 | while (altera_get_note((u8 *)fw->data, fw->size, | |
3745488e | 2427 | &offset, key, value, 32, 256) == 0) |
fa766c9b IL |
2428 | printk(KERN_INFO "%s: NOTE \"%s\" = \"%s\"\n", |
2429 | __func__, key, value); | |
2430 | } | |
2431 | ||
2432 | if (debug && (format_version == 2) && (action_count > 0)) { | |
2433 | printk(KERN_INFO "%s: Actions available:\n", __func__); | |
2434 | for (index = 0; index < action_count; ++index) { | |
2435 | altera_get_act_info((u8 *)fw->data, fw->size, | |
2436 | index, &action_name, | |
2437 | &description, | |
2438 | &proc_list); | |
2439 | ||
2440 | if (description == NULL) | |
2441 | printk(KERN_INFO "%s: %s\n", | |
2442 | __func__, | |
2443 | action_name); | |
2444 | else | |
2445 | printk(KERN_INFO "%s: %s \"%s\"\n", | |
2446 | __func__, | |
2447 | action_name, | |
2448 | description); | |
2449 | ||
2450 | procptr = proc_list; | |
2451 | while (procptr != NULL) { | |
2452 | if (procptr->attrs != 0) | |
2453 | printk(KERN_INFO "%s: %s (%s)\n", | |
2454 | __func__, | |
2455 | procptr->name, | |
2456 | (procptr->attrs == 1) ? | |
2457 | "optional" : "recommended"); | |
2458 | ||
2459 | proc_list = procptr->next; | |
2460 | kfree(procptr); | |
2461 | procptr = proc_list; | |
2462 | } | |
2463 | } | |
2464 | ||
2465 | printk(KERN_INFO "\n"); | |
2466 | } | |
2467 | ||
2468 | exec_result = altera_execute(astate, (u8 *)fw->data, fw->size, | |
2469 | &error_address, &exit_code, &format_version); | |
2470 | ||
2471 | if (exit_code) | |
2472 | exec_result = -EREMOTEIO; | |
2473 | ||
2474 | if ((format_version == 2) && (exec_result == -EINVAL)) { | |
2475 | if (astate->config->action == NULL) | |
2476 | printk(KERN_ERR "%s: error: no action specified for " | |
2477 | "Jam STAPL file.\nprogram terminated.\n", | |
2478 | __func__); | |
2479 | else | |
2480 | printk(KERN_ERR "%s: error: action \"%s\"" | |
2481 | " is not supported " | |
2482 | "for this Jam STAPL file.\n" | |
2483 | "Program terminated.\n", __func__, | |
2484 | astate->config->action); | |
2485 | ||
2486 | } else if (exec_result) | |
2487 | printk(KERN_ERR "%s: error %d\n", __func__, exec_result); | |
128f20c0 | 2488 | free_state: |
fa766c9b | 2489 | kfree(astate); |
c0777d22 PH |
2490 | free_value: |
2491 | kfree(value); | |
2492 | free_key: | |
2493 | kfree(key); | |
2494 | out: | |
2495 | return retval; | |
fa766c9b IL |
2496 | } |
2497 | EXPORT_SYMBOL(altera_init); |