1/* $NetBSD: stand_user.c,v 1.5 2007/03/04 06:00:02 christos Exp $ */ 2 3/* 4 * Copyright (c) 1998 5 * Matthias Drochner. 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29#include <lib/libsa/stand.h> 30 31#include "sanamespace.h" 32 33#include <stdio.h> 34#include <unistd.h> 35#include <stdlib.h> 36#include <stdarg.h> 37#include <sys/time.h> 38#include <fcntl.h> 39#include <sys/mman.h> 40#include <machine/sysarch.h> 41#include <err.h> 42 43/* 44 * Harness for test of standalone code in user space. 45 * XXX Requires silly namespace games. 46 */ 47 48#ifndef HEAPSIZE 49#define HEAPSIZE (128*1024) 50#endif 51 52int samain(void); 53 54int 55main(void) 56{ 57 char *h = malloc(HEAPSIZE); 58 setheap(h, h + HEAPSIZE); 59 60 return samain(); 61} 62 63void 64_rtt(void) 65{ 66 warnx("_rtt called"); 67 _exit(1); 68} 69 70int 71getsecs(void) 72{ 73 struct timeval t; 74 gettimeofday(&t, 0); 75 return t.tv_sec; 76} 77 78void 79delay(int t) 80{ 81 struct timeval to; 82 to.tv_sec = 0; 83 to.tv_usec = t; 84 select(0, 0, 0, 0, &to); 85} 86 87/* make output appear unbuffered */ 88void 89saputchar(int c) 90{ 91 putchar(c); 92 fflush(stdout); 93} 94 95/* 96 * some functions to get access to the hardware 97 */ 98 99static int memfd, memcnt; 100 101void * 102mapmem(int offset, int len) 103{ 104 void *base; 105 106 if (memcnt == 0) 107 memfd = open("/dev/mem", O_RDWR, 0); 108 if (memfd < 0) { 109 warn("open /dev/mem"); 110 return 0; 111 } 112 base = mmap(0, len, PROT_READ | PROT_WRITE, MAP_SHARED, 113 memfd, offset); 114 if (base == (void *)-1) { 115 warn("mmap %x-%x", offset, offset + len - 1); 116 return 0; 117 } 118 memcnt++; 119 return base; 120} 121 122void 123unmapmem(void *addr, int len) 124{ 125 126 munmap(addr, len); 127 memcnt--; 128 if (memcnt == 0) 129 close(memfd); 130} 131 132int 133mapio(void) 134{ 135 int res; 136 137 res = i386_iopl(1); 138 if (res) 139 warn("i386_iopl"); 140 return res; 141} 142 143int ourseg = 12345; 144