diff options
Diffstat (limited to 'system/alpha/console/printf.c')
| -rw-r--r-- | system/alpha/console/printf.c | 484 |
1 files changed, 253 insertions, 231 deletions
diff --git a/system/alpha/console/printf.c b/system/alpha/console/printf.c index 9a92036aa..0e665a434 100644 --- a/system/alpha/console/printf.c +++ b/system/alpha/console/printf.c @@ -1,302 +1,324 @@ /* -Copyright 1993, 1994 Hewlett-Packard Development Company, L.P. - -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the "Software"), to deal in -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -of the Software, and to permit persons to whom the Software is furnished to do -so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ - -#ifndef LINT -static char *rcsid = "$Id: printf.c,v 1.1.1.1 1997/10/30 23:27:12 verghese Exp $"; -#endif - -/* - * $Log: printf.c,v $ - * Revision 1.1.1.1 1997/10/30 23:27:12 verghese - * current 10/29/97 - * - * Revision 1.1 1995/06/26 21:09:35 berc - * Initial revision - * - * Revision 1.8 1994/10/06 20:29:08 fdh - * Corrected unsigned long declaration. + * Copyright (c) 2003, 2004 + * The Regents of The University of Michigan + * All Rights Reserved * - * Revision 1.7 1994/08/05 20:16:23 fdh - * Updated Copyright header and RCS $Id: identifier. + * This code is part of the M5 simulator, developed by Nathan Binkert, + * Erik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions + * from Ron Dreslinski, Dave Greene, Lisa Hsu, Ali Saidi, and Andrew + * Schultz. * - * Revision 1.6 1994/06/21 15:41:54 rusling - * fixedup WNT compiler warnings + * Permission is granted to use, copy, create derivative works and + * redistribute this software and such derivative works for any purpose, + * so long as the copyright notice above, this grant of permission, and + * the disclaimer below appear in all copies made; and so long as the + * name of The University of Michigan is not used in any advertising or + * publicity pertaining to the use or distribution of this software + * without specific, written prior authorization. * - * Revision 1.5 1994/06/17 19:35:37 fdh - * Clean-up... - * - * Revision 1.4 1994/01/19 10:40:08 rusling - * Ported to Alpha Windows NT. - * - * Revision 1.3 1993/11/02 21:57:45 fdh - * Fixed sign extension problem introduced in version 1.2 + * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE + * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND WITHOUT + * WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER EXPRESS OR + * IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS OF + * THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE FOR ANY DAMAGES, + * INCLUDING DIRECT, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL + * DAMAGES, WITH RESPECT TO ANY CLAIM ARISING OUT OF OR IN CONNECTION + * WITH THE USE OF THE SOFTWARE, EVEN IF IT HAS BEEN OR IS HEREAFTER + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + */ + +/* + * Copyright 1993 Hewlett-Packard Development Company, L.P. * - * Revision 1.2 1993/10/13 15:29:02 rusling - * Added floating point support in printf. This meant adding variable arguments to - * it and FormatItem() and including stdarg.h. + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: * - * Revision 1.1 1993/06/08 19:56:24 fdh - * Initial revision + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. */ - - -/* printf.c - L. S. - Sun Feb 10 20:18:22 1985 - */ - -//#include "system.h" -#include "lib.h" +#include <sys/types.h> #include <stdarg.h> - - - - /* The string s is terminated by a '\0' */ void PutString(const char *s) { - while (*s) PutChar(*s++); + while (*s) + PutChar(*s++); } /* print c count times */ void PutRepChar(char c, int count) { - while (count--) PutChar(c); + while (count--) + PutChar(c); } /* put string reverse */ void PutStringReverse(const char *s, int index) { - while ((index--) > 0) PutChar(s[index]); + while (index-- > 0) + PutChar(s[index]); } -/* prints value in radix, in a field width width, with fill - character fill - if radix is negative, print as signed quantity - if width is negative, left justify - if width is 0, use whatever is needed - if fill is 0, use ' ' +/* + * prints value in radix, in a field width width, with fill + * character fill + * if radix is negative, print as signed quantity + * if width is negative, left justify + * if width is 0, use whatever is needed + * if fill is 0, use ' ' */ void -PutNumber(sl value, int radix, int width, char fill) +PutNumber(long value, int radix, int width, char fill) { - char buffer[40]; - ui bufferindex = 0; - ul uvalue; - uw digit; - uw left = FALSE; - uw negative = FALSE; - - if (fill == 0) fill = ' '; - - if (width < 0) { - width = -width; - left = TRUE; - } - if (width < 0 || width > 80) width = 0; - - if (radix < 0) { - radix = -radix; - if (value < 0) { - negative = TRUE; - value = -value; - } + char buffer[40]; + uint bufferindex = 0; + ulong uvalue; + ushort digit; + ushort left = 0; + ushort negative = 0; + + if (fill == 0) + fill = ' '; + + if (width < 0) { + width = -width; + left = 1; } - switch (radix) { - case 8: - case 10: - case 16: break; - default: { - PutString("****"); - return; - } - } - uvalue = value; - do { - if (radix != 16) - { - digit = (uw)(uvalue % radix); - uvalue /= radix; + + if (width < 0 || width > 80) + width = 0; + + if (radix < 0) { + radix = -radix; + if (value < 0) { + negative = 1; + value = -value; + } } - else - { - digit = (uw)(uvalue & 0xf); - uvalue = uvalue >> 4; + + switch (radix) { + case 8: + case 10: + case 16: + break; + + default: + PutString("****"); + return; } - buffer[bufferindex] = digit + ((digit <= 9) ? '0' : ('A' - 10)); - bufferindex += 1; + + uvalue = value; + + do { + if (radix != 16) { + digit = (ushort)(uvalue % radix); + uvalue /= radix; + } else { + digit = (ushort)(uvalue & 0xf); + uvalue = uvalue >> 4; + } + buffer[bufferindex] = digit + ((digit <= 9) ? '0' : ('A' - 10)); + bufferindex += 1; } while (uvalue != 0); + /* fill # ' ' and negative cannot happen at once */ - if (negative) { - buffer[bufferindex] = '-'; - bufferindex += 1; + if (negative) { + buffer[bufferindex] = '-'; + bufferindex += 1; } - if ((ui)width <= bufferindex) PutStringReverse(buffer, bufferindex); - else { - width -= bufferindex; - if (!left) PutRepChar(fill, width); - PutStringReverse(buffer, bufferindex); - if (left) PutRepChar(fill, width); + + if ((uint)width <= bufferindex) { + PutStringReverse(buffer, bufferindex); + } else { + width -= bufferindex; + if (!left) + PutRepChar(fill, width); + PutStringReverse(buffer, bufferindex); + if (left) + PutRepChar(fill, width); } } -ul power(long base, long n) +ulong +power(long base, long n) { - ul p; + ulong p; - for (p = 1; n > 0; --n) - p = p * base; - return p; + for (p = 1; n > 0; --n) + p = p * base; + return p; } -void putFloat(double a, int fieldwidth, char fill) +void +putFloat(double a, int fieldwidth, char fill) { - int i; - ul b; - -/* - * Put out everything before the decimal place. - */ - PutNumber(((ul) a), 10, fieldwidth, fill); -/* - * Output the decimal place. - */ - PutChar('.' & 0x7f); -/* - * Output the n digits after the decimal place. - */ - for (i = 1; i < 6; i++) { - b = (ul)(power(10, i) * (double)(a - (ul) a)); - PutChar((char)(b % 10) + '0'); - } + int i; + ulong b; + + /* + * Put out everything before the decimal place. + */ + PutNumber(((ulong) a), 10, fieldwidth, fill); + + /* + * Output the decimal place. + */ + PutChar('.' & 0x7f); + + /* + * Output the n digits after the decimal place. + */ + for (i = 1; i < 6; i++) { + b = (ulong)(power(10, i) * (double)(a - (ulong) a)); + PutChar((char)(b % 10) + '0'); + } } + const char * FormatItem(const char *f, va_list *ap) { - char c; - int fieldwidth = 0; - int leftjust = FALSE; - int radix = 0; - char fill = ' '; - if (*f == '0') fill = '0'; - while (c = *f++) { - if (c >= '0' && c <= '9') { - fieldwidth = (fieldwidth * 10) + (c - '0'); - } - else switch (c) { - case '\000': return(--f); - case '%': PutChar('%'); - return(f); - case '-': leftjust = TRUE; - break; - case 'c': { - char a = va_arg(*ap, char *); - - if (leftjust) PutChar(a & 0x7f); - if (fieldwidth > 0) PutRepChar(fill, fieldwidth - 1); - if (!leftjust) PutChar(a & 0x7f); - return(f); - } - case 's': { - const char *a = va_arg(*ap, const char *); - - if (leftjust) PutString((const char *) a); - if (fieldwidth > strlen((const char *) a)) - PutRepChar(fill, fieldwidth - strlen((const char *)a)); - if (!leftjust) PutString((const char *) a); - return(f); + char c; + int fieldwidth = 0; + int leftjust = 0; + int radix = 0; + char fill = ' '; + + if (*f == '0') + fill = '0'; + + while (c = *f++) { + if (c >= '0' && c <= '9') { + fieldwidth = (fieldwidth * 10) + (c - '0'); + } else { + switch (c) { + case '\000': + return(--f); + case '%': + PutChar('%'); + return(f); + case '-': + leftjust = 1; + break; + case 'c': { + char a = (char)va_arg(*ap, int); + + if (leftjust) + PutChar(a & 0x7f); + if (fieldwidth > 0) + PutRepChar(fill, fieldwidth - 1); + if (!leftjust) + PutChar(a & 0x7f); + return(f); + } + case 's': { + const char *a = va_arg(*ap, const char *); + + if (leftjust) + PutString((const char *) a); + if (fieldwidth > strlen((const char *) a)) + PutRepChar(fill, fieldwidth - strlen((const char *)a)); + if (!leftjust) + PutString((const char *) a); + return(f); + } + case 'd': + radix = -10; + break; + case 'u': + radix = 10; + break; + case 'x': + radix = 16; + break; + case 'X': + radix = 16; + break; + case 'o': + radix = 8; + break; + case 'f': { + double a = va_arg(*ap, double); + + putFloat(a, fieldwidth, fill); + return(f); + } + default: /* unknown switch! */ + radix = 3; + break; + } } - case 'd': radix = -10; - break; - case 'u': radix = 10; - break; - case 'x': radix = 16; - break; - case 'X': radix = 16; - break; - case 'o': radix = 8; - break; - case 'f': { - double a = va_arg(*ap, double); - - putFloat(a, fieldwidth, fill); - return(f); - } - default: /* unknown switch! */ - radix = 3; - break; - } - if (radix) break; + + if (radix) + break; } - if (leftjust) fieldwidth = -fieldwidth; - { - sl a = va_arg(*ap, sl); - PutNumber(a, radix, fieldwidth, fill); - } - return(f); + + if (leftjust) + fieldwidth = -fieldwidth; + + long a = va_arg(*ap, long); + PutNumber(a, radix, fieldwidth, fill); + + return(f); } int printf(const char *f, ...) { - va_list ap; + va_list ap; - va_start(ap, f); + va_start(ap, f); - while (*f) { - if (*f == '%') f = FormatItem(f + 1, &ap); - else PutChar(*f++); - } + while (*f) { + if (*f == '%') + f = FormatItem(f + 1, &ap); + else + PutChar(*f++); + } - if (*(f-1)=='\n') { - /* add a line-feed (SimOS console output goes to shell */ - PutChar('\r'); - } + if (*(f - 1) == '\n') { + /* add a line-feed (SimOS console output goes to shell */ + PutChar('\r'); + } - va_end(ap); /* clean up */ - return 0; + va_end(ap); /* clean up */ + return 0; } void panic(const char *f, ...) { - va_list ap; + va_list ap; - va_start(ap, f); + va_start(ap, f); - printf("CONSOLE PANIC (looping): "); - while (*f) { - if (*f == '%') f = FormatItem(f + 1, &ap); - else PutChar(*f++); + printf("CONSOLE PANIC (looping): "); + while (*f) { + if (*f == '%') + f = FormatItem(f + 1, &ap); + else + PutChar(*f++); } - va_end(ap); /* clean up */ - while(1); + va_end(ap); /* clean up */ + while(1); } - - |