1 /* $NetBSD: stand_user.c,v 1.3 2004/03/24 16:54:18 drochner 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 52 int samain __P((void)); 53 54 int 55 main() 56 { 57 char *h = malloc(HEAPSIZE); 58 setheap(h, h + HEAPSIZE); 59 60 return (samain()); 61 } 62 63 void 64 _rtt() 65 { 66 warnx("_rtt called"); 67 _exit(1); 68 } 69 70 int 71 getsecs() 72 { 73 struct timeval t; 74 gettimeofday(&t, 0); 75 return (t.tv_sec); 76 } 77 78 void 79 delay(t) 80 int t; 81 { 82 struct timeval to; 83 to.tv_sec = 0; 84 to.tv_usec = t; 85 select(0, 0, 0, 0, &to); 86 } 87 88 /* make output appear unbuffered */ 89 void 90 saputchar(c) 91 int c; 92 { 93 putchar(c); 94 fflush(stdout); 95 } 96 97 /* 98 * some functions to get access to the hardware 99 */ 100 101 static int memfd, memcnt; 102 103 caddr_t 104 mapmem(offset, len) 105 int offset, len; 106 { 107 caddr_t base; 108 109 if (memcnt == 0) 110 memfd = open("/dev/mem", O_RDWR, 0); 111 if (memfd < 0) { 112 warn("open /dev/mem"); 113 return (0); 114 } 115 base = mmap(0, len, PROT_READ | PROT_WRITE, MAP_SHARED, 116 memfd, offset); 117 if (base == (caddr_t)-1) { 118 warn("mmap %x-%x", offset, offset + len - 1); 119 return (0); 120 } 121 memcnt++; 122 return (base); 123 } 124 125 void 126 unmapmem(addr, len) 127 caddr_t addr; 128 int len; 129 { 130 munmap(addr, len); 131 memcnt--; 132 if (memcnt == 0) 133 close(memfd); 134 } 135 136 int 137 mapio() 138 { 139 int res; 140 141 res = i386_iopl(1); 142 if (res) 143 warn("i386_iopl"); 144 return (res); 145 } 146 147 int ourseg = 12345; 148