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sh_eth: fix EESIPR values for SH77{34|63}
[linux/fpc-iii.git] / drivers / acpi / acpica / utprint.c
blob40eba804d49c56b6b126a878a0840ed5d3218f8e
1 /******************************************************************************
2 *
3 * Module Name: utprint - Formatted printing routines
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2016, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44 #include <acpi/acpi.h>
45 #include "accommon.h"
46
47 #define _COMPONENT ACPI_UTILITIES
48 ACPI_MODULE_NAME("utprint")
49
50 #define ACPI_FORMAT_SIGN 0x01
51 #define ACPI_FORMAT_SIGN_PLUS 0x02
52 #define ACPI_FORMAT_SIGN_PLUS_SPACE 0x04
53 #define ACPI_FORMAT_ZERO 0x08
54 #define ACPI_FORMAT_LEFT 0x10
55 #define ACPI_FORMAT_UPPER 0x20
56 #define ACPI_FORMAT_PREFIX 0x40
57 /* Local prototypes */
58 static acpi_size
59 acpi_ut_bound_string_length(const char *string, acpi_size count);
60
61 static char *acpi_ut_bound_string_output(char *string, const char *end, char c);
62
63 static char *acpi_ut_format_number(char *string,
64 char *end,
65 u64 number,
66 u8 base, s32 width, s32 precision, u8 type);
67
68 static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper);
69
70 /*******************************************************************************
71 *
72 * FUNCTION: acpi_ut_bound_string_length
73 *
74 * PARAMETERS: string - String with boundary
75 * count - Boundary of the string
76 *
77 * RETURN: Length of the string. Less than or equal to Count.
78 *
79 * DESCRIPTION: Calculate the length of a string with boundary.
80 *
81 ******************************************************************************/
82
83 static acpi_size
84 acpi_ut_bound_string_length(const char *string, acpi_size count)
85 {
86 u32 length = 0;
87
88 while (*string && count) {
89 length++;
90 string++;
91 count--;
92 }
93
94 return (length);
95 }
96
97 /*******************************************************************************
98 *
99 * FUNCTION: acpi_ut_bound_string_output
100 *
101 * PARAMETERS: string - String with boundary
102 * end - Boundary of the string
103 * c - Character to be output to the string
104 *
105 * RETURN: Updated position for next valid character
106 *
107 * DESCRIPTION: Output a character into a string with boundary check.
108 *
109 ******************************************************************************/
110
111 static char *acpi_ut_bound_string_output(char *string, const char *end, char c)
112 {
113
114 if (string < end) {
115 *string = c;
116 }
117
118 ++string;
119 return (string);
120 }
121
122 /*******************************************************************************
123 *
124 * FUNCTION: acpi_ut_put_number
125 *
126 * PARAMETERS: string - Buffer to hold reverse-ordered string
127 * number - Integer to be converted
128 * base - Base of the integer
129 * upper - Whether or not using upper cased digits
130 *
131 * RETURN: Updated position for next valid character
132 *
133 * DESCRIPTION: Convert an integer into a string, note that, the string holds a
134 * reversed ordered number without the trailing zero.
135 *
136 ******************************************************************************/
137
138 static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper)
139 {
140 const char *digits;
141 u64 digit_index;
142 char *pos;
143
144 pos = string;
145 digits = upper ? acpi_gbl_upper_hex_digits : acpi_gbl_lower_hex_digits;
146
147 if (number == 0) {
148 *(pos++) = '0';
149 } else {
150 while (number) {
151 (void)acpi_ut_divide(number, base, &number,
152 &digit_index);
153 *(pos++) = digits[digit_index];
154 }
155 }
156
157 /* *(Pos++) = '0'; */
158 return (pos);
159 }
160
161 /*******************************************************************************
162 *
163 * FUNCTION: acpi_ut_scan_number
164 *
165 * PARAMETERS: string - String buffer
166 * number_ptr - Where the number is returned
167 *
168 * RETURN: Updated position for next valid character
169 *
170 * DESCRIPTION: Scan a string for a decimal integer.
171 *
172 ******************************************************************************/
173
174 const char *acpi_ut_scan_number(const char *string, u64 *number_ptr)
175 {
176 u64 number = 0;
177
178 while (isdigit((int)*string)) {
179 number *= 10;
180 number += *(string++) - '0';
181 }
182
183 *number_ptr = number;
184 return (string);
185 }
186
187 /*******************************************************************************
188 *
189 * FUNCTION: acpi_ut_print_number
190 *
191 * PARAMETERS: string - String buffer
192 * number - The number to be converted
193 *
194 * RETURN: Updated position for next valid character
195 *
196 * DESCRIPTION: Print a decimal integer into a string.
197 *
198 ******************************************************************************/
199
200 const char *acpi_ut_print_number(char *string, u64 number)
201 {
202 char ascii_string[20];
203 const char *pos1;
204 char *pos2;
205
206 pos1 = acpi_ut_put_number(ascii_string, number, 10, FALSE);
207 pos2 = string;
208
209 while (pos1 != ascii_string) {
210 *(pos2++) = *(--pos1);
211 }
212
213 *pos2 = 0;
214 return (string);
215 }
216
217 /*******************************************************************************
218 *
219 * FUNCTION: acpi_ut_format_number
220 *
221 * PARAMETERS: string - String buffer with boundary
222 * end - Boundary of the string
223 * number - The number to be converted
224 * base - Base of the integer
225 * width - Field width
226 * precision - Precision of the integer
227 * type - Special printing flags
228 *
229 * RETURN: Updated position for next valid character
230 *
231 * DESCRIPTION: Print an integer into a string with any base and any precision.
232 *
233 ******************************************************************************/
234
235 static char *acpi_ut_format_number(char *string,
236 char *end,
237 u64 number,
238 u8 base, s32 width, s32 precision, u8 type)
239 {
240 char *pos;
241 char sign;
242 char zero;
243 u8 need_prefix;
244 u8 upper;
245 s32 i;
246 char reversed_string[66];
247
248 /* Parameter validation */
249
250 if (base < 2 || base > 16) {
251 return (NULL);
252 }
253
254 if (type & ACPI_FORMAT_LEFT) {
255 type &= ~ACPI_FORMAT_ZERO;
256 }
257
258 need_prefix = ((type & ACPI_FORMAT_PREFIX)
259 && base != 10) ? TRUE : FALSE;
260 upper = (type & ACPI_FORMAT_UPPER) ? TRUE : FALSE;
261 zero = (type & ACPI_FORMAT_ZERO) ? '0' : ' ';
262
263 /* Calculate size according to sign and prefix */
264
265 sign = '\0';
266 if (type & ACPI_FORMAT_SIGN) {
267 if ((s64)number < 0) {
268 sign = '-';
269 number = -(s64)number;
270 width--;
271 } else if (type & ACPI_FORMAT_SIGN_PLUS) {
272 sign = '+';
273 width--;
274 } else if (type & ACPI_FORMAT_SIGN_PLUS_SPACE) {
275 sign = ' ';
276 width--;
277 }
278 }
279 if (need_prefix) {
280 width--;
281 if (base == 16) {
282 width--;
283 }
284 }
285
286 /* Generate full string in reverse order */
287
288 pos = acpi_ut_put_number(reversed_string, number, base, upper);
289 i = ACPI_PTR_DIFF(pos, reversed_string);
290
291 /* Printing 100 using %2d gives "100", not "00" */
292
293 if (i > precision) {
294 precision = i;
295 }
296
297 width -= precision;
298
299 /* Output the string */
300
301 if (!(type & (ACPI_FORMAT_ZERO | ACPI_FORMAT_LEFT))) {
302 while (--width >= 0) {
303 string = acpi_ut_bound_string_output(string, end, ' ');
304 }
305 }
306 if (sign) {
307 string = acpi_ut_bound_string_output(string, end, sign);
308 }
309 if (need_prefix) {
310 string = acpi_ut_bound_string_output(string, end, '0');
311 if (base == 16) {
312 string =
313 acpi_ut_bound_string_output(string, end,
314 upper ? 'X' : 'x');
315 }
316 }
317 if (!(type & ACPI_FORMAT_LEFT)) {
318 while (--width >= 0) {
319 string = acpi_ut_bound_string_output(string, end, zero);
320 }
321 }
322
323 while (i <= --precision) {
324 string = acpi_ut_bound_string_output(string, end, '0');
325 }
326 while (--i >= 0) {
327 string = acpi_ut_bound_string_output(string, end,
328 reversed_string[i]);
329 }
330 while (--width >= 0) {
331 string = acpi_ut_bound_string_output(string, end, ' ');
332 }
333
334 return (string);
335 }
336
337 /*******************************************************************************
338 *
339 * FUNCTION: vsnprintf
340 *
341 * PARAMETERS: string - String with boundary
342 * size - Boundary of the string
343 * format - Standard printf format
344 * args - Argument list
345 *
346 * RETURN: Number of bytes actually written.
347 *
348 * DESCRIPTION: Formatted output to a string using argument list pointer.
349 *
350 ******************************************************************************/
351
352 int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
353 {
354 u8 base;
355 u8 type;
356 s32 width;
357 s32 precision;
358 char qualifier;
359 u64 number;
360 char *pos;
361 char *end;
362 char c;
363 const char *s;
364 const void *p;
365 s32 length;
366 int i;
367
368 pos = string;
369 end = string + size;
370
371 for (; *format; ++format) {
372 if (*format != '%') {
373 pos = acpi_ut_bound_string_output(pos, end, *format);
374 continue;
375 }
376
377 type = 0;
378 base = 10;
379
380 /* Process sign */
381
382 do {
383 ++format;
384 if (*format == '#') {
385 type |= ACPI_FORMAT_PREFIX;
386 } else if (*format == '0') {
387 type |= ACPI_FORMAT_ZERO;
388 } else if (*format == '+') {
389 type |= ACPI_FORMAT_SIGN_PLUS;
390 } else if (*format == ' ') {
391 type |= ACPI_FORMAT_SIGN_PLUS_SPACE;
392 } else if (*format == '-') {
393 type |= ACPI_FORMAT_LEFT;
394 } else {
395 break;
396 }
397
398 } while (1);
399
400 /* Process width */
401
402 width = -1;
403 if (isdigit((int)*format)) {
404 format = acpi_ut_scan_number(format, &number);
405 width = (s32)number;
406 } else if (*format == '*') {
407 ++format;
408 width = va_arg(args, int);
409 if (width < 0) {
410 width = -width;
411 type |= ACPI_FORMAT_LEFT;
412 }
413 }
414
415 /* Process precision */
416
417 precision = -1;
418 if (*format == '.') {
419 ++format;
420 if (isdigit((int)*format)) {
421 format = acpi_ut_scan_number(format, &number);
422 precision = (s32)number;
423 } else if (*format == '*') {
424 ++format;
425 precision = va_arg(args, int);
426 }
427
428 if (precision < 0) {
429 precision = 0;
430 }
431 }
432
433 /* Process qualifier */
434
435 qualifier = -1;
436 if (*format == 'h' || *format == 'l' || *format == 'L') {
437 qualifier = *format;
438 ++format;
439
440 if (qualifier == 'l' && *format == 'l') {
441 qualifier = 'L';
442 ++format;
443 }
444 }
445
446 switch (*format) {
447 case '%':
448
449 pos = acpi_ut_bound_string_output(pos, end, '%');
450 continue;
451
452 case 'c':
453
454 if (!(type & ACPI_FORMAT_LEFT)) {
455 while (--width > 0) {
456 pos =
457 acpi_ut_bound_string_output(pos,
458 end,
459 ' ');
460 }
461 }
462
463 c = (char)va_arg(args, int);
464 pos = acpi_ut_bound_string_output(pos, end, c);
465
466 while (--width > 0) {
467 pos =
468 acpi_ut_bound_string_output(pos, end, ' ');
469 }
470 continue;
471
472 case 's':
473
474 s = va_arg(args, char *);
475 if (!s) {
476 s = "<NULL>";
477 }
478 length = acpi_ut_bound_string_length(s, precision);
479 if (!(type & ACPI_FORMAT_LEFT)) {
480 while (length < width--) {
481 pos =
482 acpi_ut_bound_string_output(pos,
483 end,
484 ' ');
485 }
486 }
487
488 for (i = 0; i < length; ++i) {
489 pos = acpi_ut_bound_string_output(pos, end, *s);
490 ++s;
491 }
492
493 while (length < width--) {
494 pos =
495 acpi_ut_bound_string_output(pos, end, ' ');
496 }
497 continue;
498
499 case 'o':
500
501 base = 8;
502 break;
503
504 case 'X':
505
506 type |= ACPI_FORMAT_UPPER;
507
508 case 'x':
509
510 base = 16;
511 break;
512
513 case 'd':
514 case 'i':
515
516 type |= ACPI_FORMAT_SIGN;
517
518 case 'u':
519
520 break;
521
522 case 'p':
523
524 if (width == -1) {
525 width = 2 * sizeof(void *);
526 type |= ACPI_FORMAT_ZERO;
527 }
528
529 p = va_arg(args, void *);
530 pos =
531 acpi_ut_format_number(pos, end, ACPI_TO_INTEGER(p),
532 16, width, precision, type);
533 continue;
534
535 default:
536
537 pos = acpi_ut_bound_string_output(pos, end, '%');
538 if (*format) {
539 pos =
540 acpi_ut_bound_string_output(pos, end,
541 *format);
542 } else {
543 --format;
544 }
545 continue;
546 }
547
548 if (qualifier == 'L') {
549 number = va_arg(args, u64);
550 if (type & ACPI_FORMAT_SIGN) {
551 number = (s64)number;
552 }
553 } else if (qualifier == 'l') {
554 number = va_arg(args, unsigned long);
555 if (type & ACPI_FORMAT_SIGN) {
556 number = (s32)number;
557 }
558 } else if (qualifier == 'h') {
559 number = (u16)va_arg(args, int);
560 if (type & ACPI_FORMAT_SIGN) {
561 number = (s16)number;
562 }
563 } else {
564 number = va_arg(args, unsigned int);
565 if (type & ACPI_FORMAT_SIGN) {
566 number = (signed int)number;
567 }
568 }
569
570 pos = acpi_ut_format_number(pos, end, number, base,
571 width, precision, type);
572 }
573
574 if (size > 0) {
575 if (pos < end) {
576 *pos = '\0';
577 } else {
578 end[-1] = '\0';
579 }
580 }
581
582 return (ACPI_PTR_DIFF(pos, string));
583 }
584
585 /*******************************************************************************
586 *
587 * FUNCTION: snprintf
588 *
589 * PARAMETERS: string - String with boundary
590 * size - Boundary of the string
591 * Format, ... - Standard printf format
592 *
593 * RETURN: Number of bytes actually written.
594 *
595 * DESCRIPTION: Formatted output to a string.
596 *
597 ******************************************************************************/
598
599 int snprintf(char *string, acpi_size size, const char *format, ...)
600 {
601 va_list args;
602 int length;
603
604 va_start(args, format);
605 length = vsnprintf(string, size, format, args);
606 va_end(args);
607
608 return (length);
609 }
610
611 /*******************************************************************************
612 *
613 * FUNCTION: sprintf
614 *
615 * PARAMETERS: string - String with boundary
616 * Format, ... - Standard printf format
617 *
618 * RETURN: Number of bytes actually written.
619 *
620 * DESCRIPTION: Formatted output to a string.
621 *
622 ******************************************************************************/
623
624 int sprintf(char *string, const char *format, ...)
625 {
626 va_list args;
627 int length;
628
629 va_start(args, format);
630 length = vsnprintf(string, ACPI_UINT32_MAX, format, args);
631 va_end(args);
632
633 return (length);
634 }
635
636 #ifdef ACPI_APPLICATION
637 /*******************************************************************************
638 *
639 * FUNCTION: vprintf
640 *
641 * PARAMETERS: format - Standard printf format
642 * args - Argument list
643 *
644 * RETURN: Number of bytes actually written.
645 *
646 * DESCRIPTION: Formatted output to stdout using argument list pointer.
647 *
648 ******************************************************************************/
649
650 int vprintf(const char *format, va_list args)
651 {
652 acpi_cpu_flags flags;
653 int length;
654
655 flags = acpi_os_acquire_lock(acpi_gbl_print_lock);
656 length = vsnprintf(acpi_gbl_print_buffer,
657 sizeof(acpi_gbl_print_buffer), format, args);
658
659 (void)fwrite(acpi_gbl_print_buffer, length, 1, ACPI_FILE_OUT);
660 acpi_os_release_lock(acpi_gbl_print_lock, flags);
661
662 return (length);
663 }
664
665 /*******************************************************************************
666 *
667 * FUNCTION: printf
668 *
669 * PARAMETERS: Format, ... - Standard printf format
670 *
671 * RETURN: Number of bytes actually written.
672 *
673 * DESCRIPTION: Formatted output to stdout.
674 *
675 ******************************************************************************/
676
677 int printf(const char *format, ...)
678 {
679 va_list args;
680 int length;
681
682 va_start(args, format);
683 length = vprintf(format, args);
684 va_end(args);
685
686 return (length);
687 }
688
689 /*******************************************************************************
690 *
691 * FUNCTION: vfprintf
692 *
693 * PARAMETERS: file - File descriptor
694 * format - Standard printf format
695 * args - Argument list
696 *
697 * RETURN: Number of bytes actually written.
698 *
699 * DESCRIPTION: Formatted output to a file using argument list pointer.
700 *
701 ******************************************************************************/
702
703 int vfprintf(FILE * file, const char *format, va_list args)
704 {
705 acpi_cpu_flags flags;
706 int length;
707
708 flags = acpi_os_acquire_lock(acpi_gbl_print_lock);
709 length = vsnprintf(acpi_gbl_print_buffer,
710 sizeof(acpi_gbl_print_buffer), format, args);
711
712 (void)fwrite(acpi_gbl_print_buffer, length, 1, file);
713 acpi_os_release_lock(acpi_gbl_print_lock, flags);
714
715 return (length);
716 }
717
718 /*******************************************************************************
719 *
720 * FUNCTION: fprintf
721 *
722 * PARAMETERS: file - File descriptor
723 * Format, ... - Standard printf format
724 *
725 * RETURN: Number of bytes actually written.
726 *
727 * DESCRIPTION: Formatted output to a file.
728 *
729 ******************************************************************************/
730
731 int fprintf(FILE * file, const char *format, ...)
732 {
733 va_list args;
734 int length;
735
736 va_start(args, format);
737 length = vfprintf(file, format, args);
738 va_end(args);
739
740 return (length);
741 }
742 #endif
Linux with added FPC-III support