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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | /* * Some debug functions * * MIPS floating point support * * Copyright (C) 1994-2000 Algorithmics Ltd. * * This program is free software; you can distribute it and/or modify it * under the terms of the GNU General Public License (Version 2) as * published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Nov 7, 2000 * Modified to build and operate in Linux kernel environment. * * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. */ #include <linux/types.h> #include <linux/printk.h> #include "ieee754.h" #include "ieee754sp.h" #include "ieee754dp.h" union ieee754dp ieee754dp_dump(char *m, union ieee754dp x) { int i; printk("%s", m); printk("<%08x,%08x>\n", (unsigned) (x.bits >> 32), (unsigned) x.bits); printk("\t="); switch (ieee754dp_class(x)) { case IEEE754_CLASS_QNAN: case IEEE754_CLASS_SNAN: printk("Nan %c", DPSIGN(x) ? '-' : '+'); for (i = DP_FBITS - 1; i >= 0; i--) printk("%c", DPMANT(x) & DP_MBIT(i) ? '1' : '0'); break; case IEEE754_CLASS_INF: printk("%cInfinity", DPSIGN(x) ? '-' : '+'); break; case IEEE754_CLASS_ZERO: printk("%cZero", DPSIGN(x) ? '-' : '+'); break; case IEEE754_CLASS_DNORM: printk("%c0.", DPSIGN(x) ? '-' : '+'); for (i = DP_FBITS - 1; i >= 0; i--) printk("%c", DPMANT(x) & DP_MBIT(i) ? '1' : '0'); printk("e%d", DPBEXP(x) - DP_EBIAS); break; case IEEE754_CLASS_NORM: printk("%c1.", DPSIGN(x) ? '-' : '+'); for (i = DP_FBITS - 1; i >= 0; i--) printk("%c", DPMANT(x) & DP_MBIT(i) ? '1' : '0'); printk("e%d", DPBEXP(x) - DP_EBIAS); break; default: printk("Illegal/Unknown IEEE754 value class"); } printk("\n"); return x; } union ieee754sp ieee754sp_dump(char *m, union ieee754sp x) { int i; printk("%s=", m); printk("<%08x>\n", (unsigned) x.bits); printk("\t="); switch (ieee754sp_class(x)) { case IEEE754_CLASS_QNAN: case IEEE754_CLASS_SNAN: printk("Nan %c", SPSIGN(x) ? '-' : '+'); for (i = SP_FBITS - 1; i >= 0; i--) printk("%c", SPMANT(x) & SP_MBIT(i) ? '1' : '0'); break; case IEEE754_CLASS_INF: printk("%cInfinity", SPSIGN(x) ? '-' : '+'); break; case IEEE754_CLASS_ZERO: printk("%cZero", SPSIGN(x) ? '-' : '+'); break; case IEEE754_CLASS_DNORM: printk("%c0.", SPSIGN(x) ? '-' : '+'); for (i = SP_FBITS - 1; i >= 0; i--) printk("%c", SPMANT(x) & SP_MBIT(i) ? '1' : '0'); printk("e%d", SPBEXP(x) - SP_EBIAS); break; case IEEE754_CLASS_NORM: printk("%c1.", SPSIGN(x) ? '-' : '+'); for (i = SP_FBITS - 1; i >= 0; i--) printk("%c", SPMANT(x) & SP_MBIT(i) ? '1' : '0'); printk("e%d", SPBEXP(x) - SP_EBIAS); break; default: printk("Illegal/Unknown IEEE754 value class"); } printk("\n"); return x; } |