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      1  1.2  tsutsui /*	$NetBSD: samachdep.h,v 1.2 2023/02/12 10:04:56 tsutsui Exp $	*/
      2  1.1  tsutsui 
      3  1.1  tsutsui /*
      4  1.1  tsutsui  * Copyright (c) 1982, 1990, 1993
      5  1.1  tsutsui  *	The Regents of the University of California.  All rights reserved.
      6  1.1  tsutsui  *
      7  1.1  tsutsui  * Redistribution and use in source and binary forms, with or without
      8  1.1  tsutsui  * modification, are permitted provided that the following conditions
      9  1.1  tsutsui  * are met:
     10  1.1  tsutsui  * 1. Redistributions of source code must retain the above copyright
     11  1.1  tsutsui  *    notice, this list of conditions and the following disclaimer.
     12  1.1  tsutsui  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1  tsutsui  *    notice, this list of conditions and the following disclaimer in the
     14  1.1  tsutsui  *    documentation and/or other materials provided with the distribution.
     15  1.1  tsutsui  * 3. Neither the name of the University nor the names of its contributors
     16  1.1  tsutsui  *    may be used to endorse or promote products derived from this software
     17  1.1  tsutsui  *    without specific prior written permission.
     18  1.1  tsutsui  *
     19  1.1  tsutsui  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  1.1  tsutsui  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  1.1  tsutsui  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  1.1  tsutsui  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  1.1  tsutsui  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  1.1  tsutsui  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  1.1  tsutsui  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  1.1  tsutsui  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  1.1  tsutsui  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  1.1  tsutsui  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  1.1  tsutsui  * SUCH DAMAGE.
     30  1.1  tsutsui  *
     31  1.1  tsutsui  *	@(#)samachdep.h	8.1 (Berkeley) 6/10/93
     32  1.1  tsutsui  */
     33  1.1  tsutsui 
     34  1.1  tsutsui #include <sys/param.h>
     35  1.1  tsutsui #include <lib/libsa/stand.h>
     36  1.1  tsutsui 
     37  1.1  tsutsui /* boot.c */
     38  1.1  tsutsui extern int entry_point;
     39  1.2  tsutsui extern int cpuspeed;
     40  1.1  tsutsui extern int turbo;
     41  1.1  tsutsui 
     42  1.1  tsutsui /* en.c */
     43  1.1  tsutsui int enstrategy(void *, int, daddr_t, size_t, void *, size_t *);
     44  1.1  tsutsui int enopen(struct open_file *, ...);
     45  1.1  tsutsui int enclose(struct open_file *);
     46  1.1  tsutsui 
     47  1.1  tsutsui /* machdep.c */
     48  1.1  tsutsui extern char *mg;
     49  1.1  tsutsui 
     50  1.1  tsutsui /* rtc.c */
     51  1.1  tsutsui void rtc_init(void);
     52  1.1  tsutsui 
     53  1.1  tsutsui /* sd.c */
     54  1.1  tsutsui int sdstrategy(void *, int, daddr_t, size_t, void *, size_t *);
     55  1.1  tsutsui int sdopen(struct open_file *, ...);
     56  1.1  tsutsui int sdclose(struct open_file *);
     57  1.1  tsutsui 
     58  1.1  tsutsui /* srt0.S */
     59  1.1  tsutsui __dead void _halt(void);
     60  1.1  tsutsui 
     61  1.1  tsutsui /* vers.c (generated by sys/conf/newvers_stand.sh) */
     62  1.1  tsutsui extern	char bootprog_name[], bootprog_rev[], bootprog_kernrev[];
     63  1.1  tsutsui 
     64  1.1  tsutsui /* build.c (generated by ${.CURDIR}/newvers.sh) */
     65  1.1  tsutsui extern int build;
     66  1.1  tsutsui 
     67  1.2  tsutsui /* delay constants; note all CPU cache is turned off here */
     68  1.2  tsutsui #define MHZ_25		3
     69  1.2  tsutsui #define MHZ_33		4
     70  1.2  tsutsui 
     71  1.2  tsutsui #define DELAY(n)							\
     72  1.2  tsutsui do {									\
     73  1.2  tsutsui 	register u_int __n = (cpuspeed * (n) / 4) + 1;			\
     74  1.2  tsutsui 	do {								\
     75  1.2  tsutsui 		__asm("subql #1, %0" : "=r" (__n) : "0" (__n));		\
     76  1.2  tsutsui 	} while (__n > 0);						\
     77  1.2  tsutsui } while (/* CONSTCOND */ 0)
     78