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