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machdep.c revision 1.12
      1 /*	$NetBSD: machdep.c,v 1.12 2005/02/20 13:59:27 tsutsui Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1982, 1986, 1990, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * the Systems Programming Group of the University of Utah Computer
      9  * Science Department.
     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  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  * from: Utah $Hdr: machdep.c 1.10 92/06/18
     36  *
     37  *	@(#)machdep.c	8.1 (Berkeley) 6/10/93
     38  */
     39 /*
     40  * Copyright (c) 1988 University of Utah.
     41  *
     42  * This code is derived from software contributed to Berkeley by
     43  * the Systems Programming Group of the University of Utah Computer
     44  * Science Department.
     45  *
     46  * Redistribution and use in source and binary forms, with or without
     47  * modification, are permitted provided that the following conditions
     48  * are met:
     49  * 1. Redistributions of source code must retain the above copyright
     50  *    notice, this list of conditions and the following disclaimer.
     51  * 2. Redistributions in binary form must reproduce the above copyright
     52  *    notice, this list of conditions and the following disclaimer in the
     53  *    documentation and/or other materials provided with the distribution.
     54  * 3. All advertising materials mentioning features or use of this software
     55  *    must display the following acknowledgement:
     56  *	This product includes software developed by the University of
     57  *	California, Berkeley and its contributors.
     58  * 4. Neither the name of the University nor the names of its contributors
     59  *    may be used to endorse or promote products derived from this software
     60  *    without specific prior written permission.
     61  *
     62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     72  * SUCH DAMAGE.
     73  *
     74  * from: Utah $Hdr: machdep.c 1.10 92/06/18
     75  *
     76  *	@(#)machdep.c	8.1 (Berkeley) 6/10/93
     77  */
     78 
     79 #include <sys/param.h>
     80 #include <lib/libsa/stand.h>
     81 #include <hp300/stand/common/samachdep.h>
     82 
     83 char *
     84 getmachineid(void)
     85 {
     86 	extern int machineid;
     87 	char *cp;
     88 
     89 	switch (machineid) {
     90 	case HP_320:
     91 		cp = "320"; break;
     92 	case HP_330:
     93 		cp = "318/319/330"; break;
     94 	case HP_340:
     95 		cp = "340"; break;
     96 	case HP_345:
     97 		cp = "345"; break;
     98 	case HP_350:
     99 		cp = "350"; break;
    100 	case HP_360:
    101 		cp = "360"; break;
    102 	case HP_370:
    103 		cp = "370"; break;
    104 	case HP_375:
    105 		cp = "375"; break;
    106 	case HP_380:
    107 		cp = "380"; break;
    108 	case HP_385:
    109 		cp = "385"; break;
    110 	case HP_400:
    111 		cp = "400"; break;
    112 	case HP_425:
    113 		switch (mmuid) {
    114 		case MMUID_425_T:
    115 			cp = "425t"; break;
    116 		case MMUID_425_S:
    117 			cp = "425s"; break;
    118 		case MMUID_425_E:
    119 			cp = "425e"; break;
    120 		default:
    121 			cp = "425"; break;
    122 		}
    123 		break;
    124 	case HP_433:
    125 		switch (mmuid) {
    126 		case MMUID_433_T:
    127 			cp = "433t"; break;
    128 		case MMUID_433_S:
    129 			cp = "433s"; break;
    130 		default:
    131 			cp = "433"; break;
    132 		}
    133 		break;
    134 	default:
    135 		cp = "???"; break;
    136 	}
    137 	return cp;
    138 }
    139 
    140 int userom;
    141 
    142 int
    143 trap(struct trapframe *fp)
    144 {
    145 	static int intrap = 0;
    146 
    147 	if (intrap)
    148 		return 0;
    149 	intrap = 1;
    150 
    151 #if 0
    152 	userom = 1;
    153 #endif
    154 
    155 	printf("Got unexpected trap: format=%x vector=%x ps=%x pc=%x\n",
    156 		  fp->tf_format, fp->tf_format, fp->tf_sr, fp->tf_pc);
    157 	printf("dregs: %x %x %x %x %x %x %x %x\n",
    158 	       fp->tf_regs[0], fp->tf_regs[1],
    159 	       fp->tf_regs[2], fp->tf_regs[3],
    160 	       fp->tf_regs[4], fp->tf_regs[5],
    161 	       fp->tf_regs[6], fp->tf_regs[7]);
    162 	printf("aregs: %x %x %x %x %x %x %x %x\n",
    163 	       fp->tf_regs[8], fp->tf_regs[9],
    164 	       fp->tf_regs[10], fp->tf_regs[11],
    165 	       fp->tf_regs[12], fp->tf_regs[13],
    166 	       fp->tf_regs[14], fp->tf_regs[15]);
    167 
    168 #if 0
    169 	userom = 0;
    170 #endif
    171 
    172 	intrap = 0;
    173 	return 0;
    174 }
    175 
    176 #define ROWS	24
    177 #define COLS	80
    178 
    179 void
    180 romputchar(int c)
    181 {
    182 	static char buf[COLS];
    183 	static int col = 0, row = 0;
    184 	int i;
    185 
    186 	switch (c) {
    187 	case '\0':
    188 		break;
    189 	case '\r':
    190 		break;	/* ignore */
    191 	case '\n':
    192 		for (i = col; i < COLS-1; i++)
    193 			buf[i] = ' ';
    194 		buf[i] = '\0';
    195 		romout(row, buf);
    196 		col = 0;
    197 		if (++row == ROWS)
    198 			row = 0;
    199 		break;
    200 
    201 	case '\t':
    202 		do {
    203 			romputchar(' ');
    204 		} while (col & 7);
    205 		break;
    206 
    207 	default:
    208 		buf[col] = c;
    209 		if (++col == COLS-1)
    210 			romputchar('\n');
    211 		break;
    212 	}
    213 }
    214 
    215 void
    216 machdep_start(char *entry, int howto, char *loadaddr, char *ssym, char *esym)
    217 {
    218 
    219 	/* Adjust entry point. */
    220 	transfer(entry, howto, opendev, cons_scode, loadaddr, esym);
    221 }
    222 
    223 void
    224 transfer(char *entry, int howto, int od, int csc, char *lr, char *es)
    225 {
    226 
    227 	printf("Entry point: 0x%lx\n", (u_long)entry);
    228 
    229 #ifdef EXEC_DEBUG
    230 	printf("\n\nReturn to boot...\n");
    231 	(void)getchar();
    232 #endif
    233 
    234 	_transfer(entry, howto, od, csc, lr, es);
    235 }
    236