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Rev 1069 | Rev 1196 | ||
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1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
- | 3 | * Copyright (C) 2006 Josef Cejka |
|
3 | * All rights reserved. |
4 | * All rights reserved. |
4 | * |
5 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
7 | * are met: |
8 | * are met: |
Line 32... | Line 33... | ||
32 | #include <arch/arg.h> |
33 | #include <arch/arg.h> |
33 | #include <arch/asm.h> |
34 | #include <arch/asm.h> |
34 | 35 | ||
35 | #include <arch.h> |
36 | #include <arch.h> |
36 | 37 | ||
37 | static char digits[] = "0123456789abcdef"; /**< Hexadecimal characters */ |
- | |
38 | SPINLOCK_INITIALIZE(printflock); /**< printf spinlock */ |
38 | SPINLOCK_INITIALIZE(printflock); /**< printf spinlock */ |
39 | 39 | ||
- | 40 | #define __PRINTF_FLAG_PREFIX 0x00000001 /* show prefixes 0x or 0*/ |
|
- | 41 | #define __PRINTF_FLAG_SIGNED 0x00000002 /* signed / unsigned number */ |
|
- | 42 | #define __PRINTF_FLAG_ZEROPADDED 0x00000004 /* print leading zeroes */ |
|
- | 43 | #define __PRINTF_FLAG_LEFTALIGNED 0x00000010 /* align to left */ |
|
- | 44 | #define __PRINTF_FLAG_SHOWPLUS 0x00000020 /* always show + sign */ |
|
- | 45 | #define __PRINTF_FLAG_SPACESIGN 0x00000040 /* print space instead of plus */ |
|
- | 46 | #define __PRINTF_FLAG_BIGCHARS 0x00000080 /* show big characters */ |
|
- | 47 | #define __PRINTF_FLAG_NEGATIVE 0x00000100 /* number has - sign */ |
|
- | 48 | ||
- | 49 | #define PRINT_NUMBER_BUFFER_SIZE (64+5) /* Buffer big enought for 64 bit number |
|
- | 50 | * printed in base 2, sign, prefix and |
|
- | 51 | * 0 to terminate string.. (last one is only for better testing |
|
- | 52 | * end of buffer by zero-filling subroutine) |
|
- | 53 | */ |
|
- | 54 | typedef enum { |
|
- | 55 | PrintfQualifierByte = 0, |
|
- | 56 | PrintfQualifierShort, |
|
- | 57 | PrintfQualifierInt, |
|
- | 58 | PrintfQualifierLong, |
|
- | 59 | PrintfQualifierLongLong, |
|
- | 60 | PrintfQualifierNative, |
|
- | 61 | PrintfQualifierPointer |
|
- | 62 | } qualifier_t; |
|
40 | 63 | ||
41 | /** Print NULL terminated string |
- | |
42 | * |
- | |
43 | * Print characters from str using putchar() until |
64 | static char digits_small[] = "0123456789abcdef"; /* Small hexadecimal characters */ |
44 | * \\0 character is reached. |
- | |
45 | * |
- | |
46 | * @param str Characters to print. |
65 | static char digits_big[] = "0123456789ABCDEF"; /* Big hexadecimal characters */ |
47 | * |
66 | |
48 | */ |
- | |
49 | static void print_str(const char *str) |
67 | static inline int isdigit(int c) |
50 | { |
68 | { |
51 | int i = 0; |
69 | return ((c >= '0' )&&( c <= '9')); |
52 | char c; |
70 | } |
53 | char errstr[] = "(NULL)"; |
- | |
54 | 71 | ||
- | 72 | static __native strlen(const char *str) |
|
- | 73 | { |
|
- | 74 | __native counter = 0; |
|
- | 75 | ||
- | 76 | while (str[counter] != 0) { |
|
- | 77 | counter++; |
|
- | 78 | } |
|
- | 79 | ||
- | 80 | return counter; |
|
- | 81 | } |
|
- | 82 | ||
- | 83 | /** Print one string without adding \n at end |
|
- | 84 | * Dont use this function directly - printflock is not locked here |
|
- | 85 | * */ |
|
- | 86 | static int putstr(const char *str) |
|
- | 87 | { |
|
- | 88 | int count; |
|
55 | if (str == NULL) { |
89 | if (str == NULL) { |
56 | while ((c = errstr[i++])) |
- | |
57 | putchar(c); |
90 | str = "(NULL)"; |
58 | return; |
- | |
59 | } |
91 | } |
60 | 92 | ||
61 | while ((c = str[i++])) |
93 | for (count = 0; str[count] != 0; count++) { |
62 | putchar(c); |
94 | putchar(str[count]); |
- | 95 | } |
|
- | 96 | return count; |
|
63 | } |
97 | } |
64 | 98 | ||
65 | - | ||
66 | /** Print hexadecimal digits |
- | |
67 | * |
- | |
68 | * Print fixed count of hexadecimal digits from |
99 | /** Print count characters from buffer to output |
69 | * the number num. The digits are printed in |
- | |
70 | * natural left-to-right order starting with |
- | |
71 | * the width-th digit. |
- | |
72 | * |
- | |
73 | * @param num Number containing digits. |
- | |
74 | * @param width Count of digits to print. |
- | |
75 | * |
100 | * |
76 | */ |
101 | */ |
77 | static void print_fixed_hex(const __u64 num, const int width) |
102 | static int putnchars(const char *buffer, __native count) |
78 | { |
103 | { |
79 | int i; |
104 | int i; |
- | 105 | if (buffer == NULL) { |
|
- | 106 | buffer = "(NULL)"; |
|
- | 107 | count = 6; |
|
- | 108 | } |
|
- | 109 | ||
- | 110 | for (i = 0; i < count; i++) { |
|
- | 111 | putchar(buffer[i]); |
|
- | 112 | } |
|
- | 113 | ||
- | 114 | return count; |
|
- | 115 | } |
|
- | 116 | ||
- | 117 | /** Print one formatted character |
|
- | 118 | * @param c character to print |
|
- | 119 | * @param width |
|
- | 120 | * @param flags |
|
- | 121 | * @return number of printed characters or EOF |
|
- | 122 | */ |
|
- | 123 | static int print_char(char c, int width, __u64 flags) |
|
- | 124 | { |
|
- | 125 | int counter = 0; |
|
- | 126 | ||
- | 127 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
|
- | 128 | while (--width > 0) { /* one space is consumed by character itself hence predecrement */ |
|
- | 129 | /* FIXME: painful slow */ |
|
- | 130 | putchar(' '); |
|
- | 131 | ++counter; |
|
- | 132 | } |
|
- | 133 | } |
|
- | 134 | ||
- | 135 | putchar(c); |
|
- | 136 | ++counter; |
|
- | 137 | ||
- | 138 | while (--width > 0) { /* one space is consumed by character itself hence predecrement */ |
|
- | 139 | putchar(' '); |
|
- | 140 | ++counter; |
|
- | 141 | } |
|
- | 142 | ||
- | 143 | return counter; |
|
- | 144 | } |
|
- | 145 | ||
- | 146 | /** Print one string |
|
- | 147 | * @param s string |
|
- | 148 | * @param width |
|
- | 149 | * @param precision |
|
- | 150 | * @param flags |
|
- | 151 | * @return number of printed characters or EOF |
|
80 | 152 | */ |
|
- | 153 | ||
- | 154 | static int print_string(char *s, int width, int precision, __u64 flags) |
|
- | 155 | { |
|
- | 156 | int counter = 0; |
|
- | 157 | __native size; |
|
- | 158 | ||
- | 159 | if (s == NULL) { |
|
- | 160 | return putstr("(NULL)"); |
|
- | 161 | } |
|
- | 162 | ||
- | 163 | size = strlen(s); |
|
- | 164 | ||
- | 165 | /* print leading spaces */ |
|
- | 166 | ||
- | 167 | if (precision == 0) |
|
- | 168 | precision = size; |
|
- | 169 | ||
- | 170 | width -= precision; |
|
- | 171 | ||
- | 172 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
|
81 | for (i = width*8 - 4; i >= 0; i -= 4) |
173 | while (width-- > 0) { |
- | 174 | putchar(' '); |
|
- | 175 | counter++; |
|
- | 176 | } |
|
- | 177 | } |
|
- | 178 | ||
- | 179 | while (precision > size) { |
|
- | 180 | precision--; |
|
- | 181 | putchar(' '); |
|
- | 182 | ++counter; |
|
- | 183 | } |
|
- | 184 | ||
82 | putchar(digits[(num>>i) & 0xf]); |
185 | if (putnchars(s, precision) == EOF) { |
- | 186 | return EOF; |
|
- | 187 | } |
|
- | 188 | ||
- | 189 | counter += precision; |
|
- | 190 | ||
- | 191 | while (width-- > 0) { |
|
- | 192 | putchar(' '); |
|
- | 193 | ++counter; |
|
- | 194 | } |
|
- | 195 | ||
- | 196 | return ++counter; |
|
83 | } |
197 | } |
84 | 198 | ||
85 | 199 | ||
86 | /** Print number in given base |
200 | /** Print number in given base |
87 | * |
201 | * |
88 | * Print significant digits of a number in given |
202 | * Print significant digits of a number in given |
89 | * base. |
203 | * base. |
90 | * |
204 | * |
91 | * @param num Number to print. |
205 | * @param num Number to print. |
- | 206 | * @param width |
|
- | 207 | * @param precision |
|
92 | * @param base Base to print the number in (should |
208 | * @param base Base to print the number in (should |
93 | * be in range 2 .. 16). |
209 | * be in range 2 .. 16). |
- | 210 | * @param flags output modifiers |
|
- | 211 | * @return number of written characters or EOF |
|
94 | * |
212 | * |
95 | */ |
213 | */ |
96 | static void print_number(const __native num, const unsigned int base) |
214 | static int print_number(__u64 num, int width, int precision, int base , __u64 flags) |
97 | { |
215 | { |
98 | int val = num; |
216 | char *digits = digits_small; |
99 | char d[sizeof(__native)*8+1]; /* this is good enough even for base == 2 */ |
217 | char d[PRINT_NUMBER_BUFFER_SIZE]; /* this is good enough even for base == 2, prefix and sign */ |
- | 218 | char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1]; |
|
- | 219 | int size = 0; |
|
100 | int i = sizeof(__native)*8-1; |
220 | int written = 0; |
- | 221 | char sgn; |
|
- | 222 | ||
- | 223 | if (flags & __PRINTF_FLAG_BIGCHARS) |
|
- | 224 | digits = digits_big; |
|
101 | 225 | ||
- | 226 | *ptr-- = 0; /* Put zero at end of string */ |
|
- | 227 | ||
- | 228 | if (num == 0) { |
|
- | 229 | *ptr-- = '0'; |
|
- | 230 | size++; |
|
- | 231 | } else { |
|
102 | do { |
232 | do { |
103 | d[i--] = digits[val % base]; |
233 | *ptr-- = digits[num % base]; |
- | 234 | size++; |
|
104 | } while (val /= base); |
235 | } while (num /= base); |
- | 236 | } |
|
- | 237 | ||
- | 238 | /* Collect sum of all prefixes/signs/... to calculate padding and leading zeroes */ |
|
- | 239 | if (flags & __PRINTF_FLAG_PREFIX) { |
|
- | 240 | switch(base) { |
|
- | 241 | case 2: /* Binary formating is not standard, but usefull */ |
|
- | 242 | size += 2; |
|
- | 243 | break; |
|
- | 244 | case 8: |
|
- | 245 | size++; |
|
- | 246 | break; |
|
- | 247 | case 16: |
|
- | 248 | size += 2; |
|
- | 249 | break; |
|
- | 250 | } |
|
- | 251 | } |
|
- | 252 | ||
- | 253 | sgn = 0; |
|
- | 254 | if (flags & __PRINTF_FLAG_SIGNED) { |
|
- | 255 | if (flags & __PRINTF_FLAG_NEGATIVE) { |
|
- | 256 | sgn = '-'; |
|
- | 257 | size++; |
|
- | 258 | } else if (flags & __PRINTF_FLAG_SHOWPLUS) { |
|
- | 259 | sgn = '+'; |
|
- | 260 | size++; |
|
- | 261 | } else if (flags & __PRINTF_FLAG_SPACESIGN) { |
|
- | 262 | sgn = ' '; |
|
- | 263 | size++; |
|
- | 264 | } |
|
- | 265 | } |
|
- | 266 | ||
- | 267 | if (flags & __PRINTF_FLAG_LEFTALIGNED) { |
|
- | 268 | flags &= ~__PRINTF_FLAG_ZEROPADDED; |
|
- | 269 | } |
|
- | 270 | ||
- | 271 | /* if number is leftaligned or precision is specified then zeropadding is ignored */ |
|
- | 272 | if (flags & __PRINTF_FLAG_ZEROPADDED) { |
|
- | 273 | if ((precision == 0) && (width > size)) { |
|
- | 274 | precision = width - size; |
|
- | 275 | } |
|
- | 276 | } |
|
- | 277 | ||
- | 278 | /* print leading spaces */ |
|
- | 279 | if (size > precision) /* We must print whole number not only a part */ |
|
- | 280 | precision = size; |
|
- | 281 | ||
- | 282 | width -= precision; |
|
- | 283 | ||
- | 284 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
|
- | 285 | while (width-- > 0) { |
|
- | 286 | putchar(' '); |
|
- | 287 | written++; |
|
- | 288 | } |
|
- | 289 | } |
|
- | 290 | ||
- | 291 | /* print sign */ |
|
- | 292 | if (sgn) { |
|
- | 293 | putchar(sgn); |
|
- | 294 | written++; |
|
- | 295 | } |
|
- | 296 | ||
- | 297 | /* print prefix */ |
|
- | 298 | ||
- | 299 | if (flags & __PRINTF_FLAG_PREFIX) { |
|
- | 300 | switch(base) { |
|
- | 301 | case 2: /* Binary formating is not standard, but usefull */ |
|
- | 302 | putchar('0'); |
|
- | 303 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
|
- | 304 | putchar('B'); |
|
- | 305 | } else { |
|
- | 306 | putchar('b'); |
|
- | 307 | } |
|
- | 308 | written += 2; |
|
- | 309 | break; |
|
- | 310 | case 8: |
|
- | 311 | putchar('o'); |
|
- | 312 | written++; |
|
- | 313 | break; |
|
- | 314 | case 16: |
|
- | 315 | putchar('0'); |
|
- | 316 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
|
- | 317 | putchar('X'); |
|
- | 318 | } else { |
|
- | 319 | putchar('x'); |
|
- | 320 | } |
|
- | 321 | written += 2; |
|
- | 322 | break; |
|
- | 323 | } |
|
- | 324 | } |
|
- | 325 | ||
- | 326 | /* print leading zeroes */ |
|
- | 327 | precision -= size; |
|
- | 328 | while (precision-- > 0) { |
|
- | 329 | putchar('0'); |
|
- | 330 | written++; |
|
- | 331 | } |
|
- | 332 | ||
- | 333 | ||
- | 334 | /* print number itself */ |
|
- | 335 | ||
- | 336 | written += putstr(++ptr); |
|
105 | 337 | ||
- | 338 | /* print ending spaces */ |
|
- | 339 | ||
106 | d[sizeof(__native)*8] = 0; |
340 | while (width-- > 0) { |
107 | print_str(&d[i + 1]); |
341 | putchar(' '); |
- | 342 | written++; |
|
- | 343 | } |
|
- | 344 | ||
- | 345 | return written; |
|
108 | } |
346 | } |
109 | 347 | ||
110 | 348 | ||
111 | 349 | ||
112 | /** General formatted text print |
350 | /** General formatted text print |
Line 162... | Line 400... | ||
162 | * All other characters from fmt except the formatting directives |
400 | * All other characters from fmt except the formatting directives |
163 | * are printed in verbatim. |
401 | * are printed in verbatim. |
164 | * |
402 | * |
165 | * @param fmt Formatting NULL terminated string. |
403 | * @param fmt Formatting NULL terminated string. |
166 | */ |
404 | */ |
167 | void printf(const char *fmt, ...) |
405 | int printf(const char *fmt, ...) |
168 | { |
406 | { |
169 | int irqpri, i = 0; |
407 | int irqpri; |
- | 408 | int i = 0, j = 0; /* i is index of currently processed char from fmt, j is index to the first not printed nonformating character */ |
|
- | 409 | int end; |
|
- | 410 | int counter; /* counter of printed characters */ |
|
- | 411 | int retval; /* used to store return values from called functions */ |
|
170 | va_list ap; |
412 | va_list ap; |
171 | char c; |
413 | char c; |
- | 414 | qualifier_t qualifier; /* type of argument */ |
|
- | 415 | int base; /* base in which will be parameter (numbers only) printed */ |
|
- | 416 | __u64 number; /* argument value */ |
|
- | 417 | __native size; /* byte size of integer parameter */ |
|
- | 418 | int width, precision; |
|
- | 419 | __u64 flags; |
|
- | 420 | ||
- | 421 | counter = 0; |
|
172 | 422 | ||
173 | va_start(ap, fmt); |
423 | va_start(ap, fmt); |
174 | 424 | ||
175 | irqpri = interrupts_disable(); |
425 | irqpri = interrupts_disable(); |
176 | spinlock_lock(&printflock); |
426 | spinlock_lock(&printflock); |
177 | 427 | ||
- | 428 | ||
178 | while ((c = fmt[i++])) { |
429 | while ((c = fmt[i])) { |
- | 430 | /* control character */ |
|
- | 431 | if (c == '%' ) { |
|
- | 432 | /* print common characters if any processed */ |
|
179 | switch (c) { |
433 | if (i > j) { |
- | 434 | if ((retval = putnchars(&fmt[j], (__native)(i - j))) == EOF) { /* error */ |
|
- | 435 | counter = -counter; |
|
- | 436 | goto out; |
|
- | 437 | } |
|
- | 438 | counter += retval; |
|
- | 439 | } |
|
180 | 440 | ||
- | 441 | j = i; |
|
181 | /* control character */ |
442 | /* parse modifiers */ |
182 | case '%': |
443 | flags = 0; |
- | 444 | end = 0; |
|
- | 445 | ||
183 | 446 | do { |
|
- | 447 | ++i; |
|
184 | switch (c = fmt[i++]) { |
448 | switch (c = fmt[i]) { |
- | 449 | case '#': flags |= __PRINTF_FLAG_PREFIX; break; |
|
- | 450 | case '-': flags |= __PRINTF_FLAG_LEFTALIGNED; break; |
|
- | 451 | case '+': flags |= __PRINTF_FLAG_SHOWPLUS; break; |
|
- | 452 | case ' ': flags |= __PRINTF_FLAG_SPACESIGN; break; |
|
- | 453 | case '0': flags |= __PRINTF_FLAG_ZEROPADDED; break; |
|
- | 454 | default: end = 1; |
|
- | 455 | }; |
|
- | 456 | ||
- | 457 | } while (end == 0); |
|
185 | 458 | ||
186 | /* percentile itself */ |
459 | /* width & '*' operator */ |
187 | case '%': |
460 | width = 0; |
- | 461 | if (isdigit(fmt[i])) { |
|
- | 462 | while (isdigit(fmt[i])) { |
|
- | 463 | width *= 10; |
|
- | 464 | width += fmt[i++] - '0'; |
|
- | 465 | } |
|
- | 466 | } else if (fmt[i] == '*') { |
|
- | 467 | /* get width value from argument list*/ |
|
188 | break; |
468 | i++; |
- | 469 | width = (int)va_arg(ap, int); |
|
- | 470 | if (width < 0) { |
|
- | 471 | /* negative width means to set '-' flag */ |
|
- | 472 | width *= -1; |
|
- | 473 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
|
- | 474 | } |
|
189 | 475 | } |
|
190 | /* |
476 | |
191 | * String and character conversions. |
477 | /* precision and '*' operator */ |
- | 478 | precision = 0; |
|
- | 479 | if (fmt[i] == '.') { |
|
192 | */ |
480 | ++i; |
- | 481 | if (isdigit(fmt[i])) { |
|
- | 482 | while (isdigit(fmt[i])) { |
|
193 | case 's': |
483 | precision *= 10; |
- | 484 | precision += fmt[i++] - '0'; |
|
- | 485 | } |
|
- | 486 | } else if (fmt[i] == '*') { |
|
- | 487 | /* get precision value from argument list*/ |
|
- | 488 | i++; |
|
194 | print_str(va_arg(ap, char_ptr)); |
489 | precision = (int)va_arg(ap, int); |
- | 490 | if (precision < 0) { |
|
- | 491 | /* negative precision means to ignore it */ |
|
195 | goto loop; |
492 | precision = 0; |
- | 493 | } |
|
- | 494 | } |
|
- | 495 | } |
|
196 | 496 | ||
- | 497 | switch (fmt[i++]) { |
|
- | 498 | /** TODO: unimplemented qualifiers: |
|
- | 499 | * t ptrdiff_t - ISO C 99 |
|
- | 500 | */ |
|
- | 501 | case 'h': /* char or short */ |
|
- | 502 | qualifier = PrintfQualifierShort; |
|
- | 503 | if (fmt[i] == 'h') { |
|
- | 504 | i++; |
|
- | 505 | qualifier = PrintfQualifierByte; |
|
- | 506 | } |
|
- | 507 | break; |
|
- | 508 | case 'l': /* long or long long*/ |
|
- | 509 | qualifier = PrintfQualifierLong; |
|
- | 510 | if (fmt[i] == 'l') { |
|
- | 511 | i++; |
|
- | 512 | qualifier = PrintfQualifierLongLong; |
|
- | 513 | } |
|
- | 514 | break; |
|
- | 515 | case 'z': /* __native */ |
|
- | 516 | qualifier = PrintfQualifierNative; |
|
- | 517 | break; |
|
- | 518 | default: |
|
- | 519 | qualifier = PrintfQualifierInt; /* default type */ |
|
- | 520 | --i; |
|
- | 521 | } |
|
- | 522 | ||
- | 523 | base = 10; |
|
- | 524 | ||
- | 525 | switch (c = fmt[i]) { |
|
- | 526 | ||
- | 527 | /* |
|
- | 528 | * String and character conversions. |
|
- | 529 | */ |
|
- | 530 | case 's': |
|
- | 531 | if ((retval = print_string(va_arg(ap, char*), width, precision, flags)) == EOF) { |
|
- | 532 | counter = -counter; |
|
- | 533 | goto out; |
|
- | 534 | }; |
|
- | 535 | ||
- | 536 | counter += retval; |
|
- | 537 | j = i + 1; |
|
- | 538 | goto next_char; |
|
197 | case 'c': |
539 | case 'c': |
198 | c = (char) va_arg(ap, int); |
540 | c = va_arg(ap, unsigned int); |
- | 541 | if ((retval = print_char(c, width, flags )) == EOF) { |
|
- | 542 | counter = -counter; |
|
- | 543 | goto out; |
|
- | 544 | }; |
|
- | 545 | ||
- | 546 | counter += retval; |
|
- | 547 | j = i + 1; |
|
- | 548 | goto next_char; |
|
- | 549 | ||
- | 550 | /* |
|
- | 551 | * Integer values |
|
- | 552 | */ |
|
- | 553 | case 'P': /* pointer */ |
|
- | 554 | flags |= __PRINTF_FLAG_BIGCHARS; |
|
- | 555 | case 'p': |
|
- | 556 | flags |= __PRINTF_FLAG_PREFIX; |
|
- | 557 | base = 16; |
|
- | 558 | qualifier = PrintfQualifierPointer; |
|
- | 559 | break; |
|
- | 560 | case 'b': |
|
- | 561 | base = 2; |
|
- | 562 | break; |
|
- | 563 | case 'o': |
|
- | 564 | base = 8; |
|
- | 565 | break; |
|
- | 566 | case 'd': |
|
- | 567 | case 'i': |
|
- | 568 | flags |= __PRINTF_FLAG_SIGNED; |
|
- | 569 | case 'u': |
|
- | 570 | break; |
|
- | 571 | case 'X': |
|
- | 572 | flags |= __PRINTF_FLAG_BIGCHARS; |
|
- | 573 | case 'x': |
|
- | 574 | base = 16; |
|
- | 575 | break; |
|
- | 576 | /* percentile itself */ |
|
- | 577 | case '%': |
|
- | 578 | j = i; |
|
- | 579 | goto next_char; |
|
- | 580 | /* |
|
- | 581 | * Bad formatting. |
|
- | 582 | */ |
|
- | 583 | default: |
|
- | 584 | /* Unknown format |
|
- | 585 | * now, the j is index of '%' so we will |
|
- | 586 | * print whole bad format sequence |
|
- | 587 | */ |
|
- | 588 | goto next_char; |
|
- | 589 | } |
|
- | 590 | ||
- | 591 | ||
- | 592 | /* Print integers */ |
|
- | 593 | /* print number */ |
|
- | 594 | switch (qualifier) { |
|
- | 595 | case PrintfQualifierByte: |
|
- | 596 | size = sizeof(unsigned char); |
|
- | 597 | number = (__u64)va_arg(ap, unsigned int); |
|
- | 598 | break; |
|
- | 599 | case PrintfQualifierShort: |
|
- | 600 | size = sizeof(unsigned short); |
|
- | 601 | number = (__u64)va_arg(ap, unsigned int); |
|
- | 602 | break; |
|
- | 603 | case PrintfQualifierInt: |
|
- | 604 | size = sizeof(unsigned int); |
|
- | 605 | number = (__u64)va_arg(ap, unsigned int); |
|
- | 606 | break; |
|
- | 607 | case PrintfQualifierLong: |
|
- | 608 | size = sizeof(unsigned long); |
|
- | 609 | number = (__u64)va_arg(ap, unsigned long); |
|
- | 610 | break; |
|
- | 611 | case PrintfQualifierLongLong: |
|
- | 612 | size = sizeof(unsigned long long); |
|
- | 613 | number = (__u64)va_arg(ap, unsigned long long); |
|
- | 614 | break; |
|
- | 615 | case PrintfQualifierPointer: |
|
- | 616 | size = sizeof(void *); |
|
- | 617 | number = (__u64)(unsigned long)va_arg(ap, void *); |
|
- | 618 | break; |
|
- | 619 | case PrintfQualifierNative: |
|
- | 620 | size = sizeof(__native); |
|
- | 621 | number = (__u64)va_arg(ap, __native); |
|
199 | break; |
622 | break; |
- | 623 | default: /* Unknown qualifier */ |
|
- | 624 | counter = -counter; |
|
- | 625 | goto out; |
|
- | 626 | ||
- | 627 | } |
|
- | 628 | ||
- | 629 | if (flags & __PRINTF_FLAG_SIGNED) { |
|
- | 630 | if (number & (0x1 << (size*8 - 1))) { |
|
- | 631 | flags |= __PRINTF_FLAG_NEGATIVE; |
|
- | 632 | ||
- | 633 | if (size == sizeof(__u64)) { |
|
- | 634 | number = -((__s64)number); |
|
- | 635 | } else { |
|
- | 636 | number = ~number; |
|
- | 637 | number &= (~((0xFFFFFFFFFFFFFFFFll) << (size * 8))); |
|
- | 638 | number++; |
|
- | 639 | } |
|
- | 640 | } |
|
- | 641 | } |
|
200 | 642 | ||
201 | /* |
- | |
202 | * Hexadecimal conversions with fixed width. |
- | |
203 | */ |
- | |
204 | case 'P': |
- | |
205 | print_str("0x"); |
- | |
206 | case 'p': |
- | |
207 | print_fixed_hex(va_arg(ap, __native), sizeof(__native)); |
- | |
208 | goto loop; |
- | |
209 | - | ||
210 | case 'Q': |
- | |
211 | print_str("0x"); |
- | |
212 | case 'q': |
- | |
213 | print_fixed_hex(va_arg(ap, __u64), INT64); |
- | |
214 | goto loop; |
- | |
215 | - | ||
216 | case 'L': |
- | |
217 | print_str("0x"); |
- | |
218 | case 'l': |
- | |
219 | print_fixed_hex(va_arg(ap, __native), INT32); |
- | |
220 | goto loop; |
- | |
221 | - | ||
222 | case 'W': |
- | |
223 | print_str("0x"); |
- | |
224 | case 'w': |
- | |
225 | print_fixed_hex(va_arg(ap, __native), INT16); |
- | |
226 | goto loop; |
- | |
227 | - | ||
228 | case 'B': |
- | |
229 | print_str("0x"); |
- | |
230 | case 'b': |
- | |
231 | print_fixed_hex(va_arg(ap, __native), INT8); |
- | |
232 | goto loop; |
- | |
233 | - | ||
234 | /* |
- | |
235 | * Decimal and hexadecimal conversions. |
- | |
236 | */ |
- | |
237 | case 'd': |
- | |
238 | print_number(va_arg(ap, __native), 10); |
643 | if ((retval = print_number(number, width, precision, base, flags)) == EOF ) { |
239 | goto loop; |
- | |
240 | - | ||
241 | case 'X': |
- | |
242 | print_str("0x"); |
644 | counter = -counter; |
243 | case 'x': |
- | |
244 | print_number(va_arg(ap, __native), 16); |
- | |
245 | goto loop; |
- | |
246 | - | ||
247 | /* |
- | |
248 | * Bad formatting. |
- | |
249 | */ |
- | |
250 | default: |
- | |
251 | goto out; |
645 | goto out; |
252 | } |
646 | }; |
253 | 647 | ||
254 | default: putchar(c); |
648 | counter += retval; |
- | 649 | j = i + 1; |
|
255 | } |
650 | } |
- | 651 | next_char: |
|
- | 652 | ||
- | 653 | ++i; |
|
- | 654 | } |
|
256 | 655 | ||
- | 656 | if (i > j) { |
|
- | 657 | if ((retval = putnchars(&fmt[j], (__native)(i - j))) == EOF) { /* error */ |
|
- | 658 | counter = -counter; |
|
257 | loop: |
659 | goto out; |
258 | ; |
660 | } |
- | 661 | counter += retval; |
|
259 | } |
662 | } |
260 | - | ||
261 | out: |
663 | out: |
262 | spinlock_unlock(&printflock); |
664 | spinlock_unlock(&printflock); |
263 | interrupts_restore(irqpri); |
665 | interrupts_restore(irqpri); |
264 | 666 | ||
265 | va_end(ap); |
667 | va_end(ap); |
- | 668 | return counter; |
|
266 | } |
669 | } |
- | 670 |