/* * Copyright (c) 1988 University of Utah. * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution is only permitted until one year after the first shipment * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and * binary forms are permitted provided that: (1) source distributions retain * this entire copyright notice and comment, and (2) distributions including * binaries display the following acknowledgement: This product includes * software developed by the University of California, Berkeley and its * contributors'' in the documentation or other materials provided with the * distribution and in all advertising materials mentioning features or use * of this software. Neither the name of the University nor the names of * its contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * from: Utah $Hdr: machdep.c 1.6 88/05/24$ * * @(#)machdep.c 7.1 (Berkeley) 5/8/90 */ #include "param.h" /* * Copy bytes within kernel */ bcopy(from, to, count) register caddr_t from, to; register unsigned count; { while (count--) *to++ = *from++; } bzero(to, count) register caddr_t to; register unsigned count; { while (count--) *to++ = 0; } bcmp(s1, s2, len) register char *s1, *s2; register int len; { while (len--) if (*s1++ != *s2++) return (1); return (0); } trap(fp) struct frame { int dregs[8]; int aregs[8]; int whoknows; short sr; int pc; short frame; } *fp; { static int intrap = 0; if (intrap) return; intrap = 1; romprintf("Got unexpected trap, vector = %x, ps = %x, pc = %x\n", fp->frame&0xFFF, fp->sr, fp->pc); romprintf("dregs: %x %x %x %x %x %x %x %x\n", fp->dregs[0], fp->dregs[1], fp->dregs[2], fp->dregs[3], fp->dregs[4], fp->dregs[5], fp->dregs[6], fp->dregs[7]); romprintf("aregs: %x %x %x %x %x %x %x %x\n", fp->aregs[0], fp->aregs[1], fp->aregs[2], fp->aregs[3], fp->aregs[4], fp->aregs[5], fp->aregs[6], fp->aregs[7]); intrap = 0; } nodev() { return(0); } #ifdef ROMPRF #define ROWS 46 #define COLS 128 romputchar(c) register int c; { static char buf[COLS]; static int col = 0, row = 0; register int i; switch (c) { case '\0': break; case '\r': case '\n': for (i = col; i < COLS-1; i++) buf[i] = ' '; buf[i] = '\0'; romout(row, buf); col = 0; if (++row == ROWS) row = 0; break; case '\t': do { romputchar(' '); } while (col & 7); break; default: buf[col] = c; if (++col == COLS-1) romputchar('\n'); break; } } #endif