1 /* $OpenBSD: dev_hppa.c,v 1.11 2005/04/25 21:08:18 miod Exp $ */ 2 3 /* 4 * Copyright (c) 1998-2004 Michael Shalayeff 5 * 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 OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "libsa.h" 30 #include <sys/param.h> 31 #include <sys/disklabel.h> 32 #include <sys/reboot.h> 33 #include <dev/cons.h> 34 35 #include <machine/iomod.h> 36 37 #include "dev_hppa.h" 38 39 extern int debug; 40 41 const char cdevs[][4] = { 42 "ite", "", "", "", "", "", "", "", 43 "", "", "", "", "" 44 }; 45 const int ncdevs = NENTS(cdevs); 46 47 const struct pdc_devs { 48 char name[3]; 49 int dev_type; 50 } pdc_devs[] = { 51 { "dk", 0 }, 52 { "ct", 1 }, 53 { "lf", 2 }, 54 { "", -1 }, 55 { "rd", -1 }, 56 { "sw", -1 }, 57 { "fl", -1 }, 58 }; 59 60 /* pass dev_t to the open routines */ 61 int 62 devopen(f, fname, file) 63 struct open_file *f; 64 const char *fname; 65 char **file; 66 { 67 struct hppa_dev *hpd; 68 const struct pdc_devs *dp = pdc_devs; 69 int rc = 1; 70 71 if (!(*file = strchr(fname, ':'))) 72 return ENODEV; 73 else 74 (*file)++; 75 76 #ifdef DEBUGBUG 77 if (debug) 78 printf("devopen: "); 79 #endif 80 81 for (dp = pdc_devs; dp < &pdc_devs[NENTS(pdc_devs)]; dp++) 82 if (!strncmp(fname, dp->name, sizeof(dp->name)-1)) 83 break; 84 85 if (dp >= &pdc_devs[NENTS(pdc_devs)] || dp->dev_type < 0) 86 return ENODEV; 87 #ifdef DEBUGBUG 88 if (debug) 89 printf("%s\n", dp->name); 90 #endif 91 92 if (!(hpd = alloc(sizeof *hpd))) { 93 #ifdef DEBUG 94 printf ("devopen: no mem\n"); 95 #endif 96 } else { 97 bzero(hpd, sizeof *hpd); 98 hpd->bootdev = bootdev; 99 hpd->buf = (char *)(((u_int)hpd->ua_buf + IODC_MINIOSIZ-1) & 100 ~(IODC_MINIOSIZ-1)); 101 f->f_devdata = hpd; 102 if ((rc = (*devsw[dp->dev_type].dv_open)(f, file)) == 0) { 103 f->f_dev = &devsw[dp->dev_type]; 104 return 0; 105 } 106 free (hpd, 0); 107 f->f_devdata = NULL; 108 } 109 110 if (!(f->f_flags & F_NODEV)) 111 f->f_dev = &devsw[dp->dev_type]; 112 113 if (!f->f_devdata) 114 *file = NULL; 115 116 return rc; 117 } 118 119 void 120 devboot(dev, p) 121 dev_t dev; 122 char *p; 123 { 124 const char *q; 125 int unit; 126 127 if (!dev) { 128 int type; 129 130 switch (PAGE0->mem_boot.pz_class) { 131 case PCL_RANDOM: 132 type = 0; 133 unit = PAGE0->mem_boot.pz_layers[0]; 134 break; 135 case PCL_SEQU: 136 type = 1; 137 unit = PAGE0->mem_boot.pz_layers[0]; 138 break; 139 case PCL_NET_MASK|PCL_SEQU: 140 type = 2; 141 unit = 0; 142 break; 143 default: 144 type = 0; 145 unit = 0; 146 break; 147 } 148 dev = bootdev = MAKEBOOTDEV(type, 0, 0, unit, B_PARTITION(dev)); 149 } 150 #ifdef _TEST 151 *p++ = '/'; 152 *p++ = 'd'; 153 *p++ = 'e'; 154 *p++ = 'v'; 155 *p++ = '/'; 156 *p++ = 'r'; 157 #endif 158 /* quick copy device name */ 159 for (q = pdc_devs[B_TYPE(dev)].name; (*p++ = *q++);); 160 unit = B_UNIT(dev); 161 if (unit >= 10) { 162 p[-1] = '0' + unit / 10; 163 *p++ = '0' + (unit % 10); 164 } else 165 p[-1] = '0' + unit; 166 *p++ = 'a' + B_PARTITION(dev); 167 *p = '\0'; 168 } 169 170 int pch_pos; 171 172 void 173 putchar(c) 174 int c; 175 { 176 switch(c) { 177 case '\177': /* DEL erases */ 178 cnputc('\b'); 179 cnputc(' '); 180 case '\b': 181 cnputc('\b'); 182 if (pch_pos) 183 pch_pos--; 184 break; 185 case '\t': 186 do 187 cnputc(' '); 188 while(++pch_pos % 8); 189 break; 190 case '\n': 191 case '\r': 192 cnputc(c); 193 pch_pos=0; 194 break; 195 default: 196 cnputc(c); 197 pch_pos++; 198 break; 199 } 200 } 201 202 int 203 getchar() 204 { 205 int c = cngetc(); 206 207 if (c == '\r') 208 c = '\n'; 209 210 if ((c < ' ' && c != '\n') || c == '\177') 211 return(c); 212 213 putchar(c); 214 215 return(c); 216 } 217 218 char ttyname_buf[8]; 219 char * 220 ttyname(fd) 221 int fd; 222 { 223 snprintf(ttyname_buf, sizeof ttyname_buf, "%s%d", 224 cdevs[major(cn_tab->cn_dev)], 225 minor(cn_tab->cn_dev)); 226 return (ttyname_buf); 227 } 228 229 dev_t 230 ttydev(name) 231 char *name; 232 { 233 int i, unit = -1; 234 char *no = name + strlen(name) - 1; 235 236 while (no >= name && *no >= '0' && *no <= '9') 237 unit = (unit < 0 ? 0 : (unit * 10)) + *no-- - '0'; 238 if (no < name || unit < 0) 239 return (NODEV); 240 for (i = 0; i < ncdevs; i++) 241 if (strncmp(name, cdevs[i], no - name + 1) == 0) 242 return (makedev(i, unit)); 243 return (NODEV); 244 } 245