1 /* $NetBSD: dev_hppa.c,v 1.2 2014/03/26 17:57:17 christos Exp $ */ 2 3 /* $OpenBSD: dev_hppa.c,v 1.5 1999/04/20 20:01:01 mickey Exp $ */ 4 5 /* 6 * Copyright (c) 1998-2004 Michael Shalayeff 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 */ 31 32 #include "libsa.h" 33 #include <sys/param.h> 34 #include <sys/disklabel.h> 35 #include <sys/reboot.h> 36 #include <dev/cons.h> 37 38 #include <machine/iomod.h> 39 40 #include "dev_hppa.h" 41 42 extern int debug; 43 44 const char cdevs[][4] = { 45 "ite", "", "", "", "", "", "", "", 46 "", "", "", "", "" 47 }; 48 const int ncdevs = NENTS(cdevs); 49 50 const struct pdc_devs { 51 char name[3]; 52 int dev_type; 53 } pdc_devs[] = { 54 { "dk", 0 }, 55 { "ct", 1 }, 56 { "lf", 2 }, 57 { "", -1 }, 58 { "rd", -1 }, 59 { "sw", -1 }, 60 { "fl", -1 }, 61 }; 62 63 /* pass dev_t to the open routines */ 64 int 65 devopen(struct open_file *f, const char *fname, char **file) 66 { 67 struct hppa_dev *hpd; 68 const struct pdc_devs *dp = pdc_devs; 69 int bdev, badapt, bctlr, bunit, bpart; 70 unsigned long n; 71 char *p; 72 int rc = 1; 73 74 if (!(*file = strchr(fname, ':'))) 75 return ENODEV; 76 else 77 (*file)++; 78 79 #ifdef DEBUGBUG 80 if (debug) 81 printf("devopen: "); 82 #endif 83 84 for (dp = pdc_devs; dp < &pdc_devs[NENTS(pdc_devs)]; dp++) 85 if (!strncmp(fname, dp->name, sizeof(dp->name)-1)) 86 break; 87 88 if (dp >= &pdc_devs[NENTS(pdc_devs)] || dp->dev_type < 0) 89 return ENODEV; 90 bdev = dp->dev_type; 91 n = strtoul(fname + sizeof(dp->name)-1, &p, 10); 92 if (n == ULONG_MAX) 93 return ENODEV; 94 bunit = n & 0xf; 95 bctlr = (n >> 4) & 0xf; 96 badapt = (n >> 8) & 0xf; 97 if (*p >= 'a' && *p < 'a' + MAXPARTITIONS) { 98 bpart = *p - 'a'; 99 } else { 100 bpart = 0; 101 } 102 bootdev = MAKEBOOTDEV(bdev, badapt, bctlr, bunit, bpart); 103 104 #ifdef DEBUGBUG 105 if (debug) 106 printf("%s\n", dp->name); 107 #endif 108 109 if (!(hpd = alloc(sizeof *hpd))) { 110 #ifdef DEBUG 111 printf ("devopen: no mem\n"); 112 #endif 113 } else { 114 memset(hpd, 0, sizeof *hpd); 115 hpd->bootdev = bootdev; 116 hpd->buf = (char *)(((u_int)hpd->ua_buf + IODC_MINIOSIZ-1) & 117 ~(IODC_MINIOSIZ-1)); 118 f->f_devdata = hpd; 119 if ((rc = (*devsw[dp->dev_type].dv_open)(f, file)) == 0) { 120 f->f_dev = &devsw[dp->dev_type]; 121 return 0; 122 } 123 dealloc (hpd, 0); 124 f->f_devdata = NULL; 125 } 126 127 if (!(f->f_flags & F_NODEV)) 128 f->f_dev = &devsw[dp->dev_type]; 129 130 if (!f->f_devdata) 131 *file = NULL; 132 133 return rc; 134 } 135 136 void 137 devboot(btdev_t dev, char *p) 138 { 139 const char *q; 140 if (!dev) { 141 int type, unit; 142 143 switch (PAGE0->mem_boot.pz_class) { 144 case PCL_RANDOM: 145 type = 0; 146 unit = PAGE0->mem_boot.pz_layers[0]; 147 break; 148 case PCL_SEQU: 149 type = 1; 150 unit = PAGE0->mem_boot.pz_layers[0]; 151 break; 152 case PCL_NET_MASK|PCL_SEQU: 153 type = 2; 154 unit = 0; 155 break; 156 default: 157 type = 0; 158 unit = 0; 159 break; 160 } 161 dev = bootdev = MAKEBOOTDEV(type, 0, 0, unit, 0); 162 } 163 #ifdef _TEST 164 *p++ = '/'; 165 *p++ = 'd'; 166 *p++ = 'e'; 167 *p++ = 'v'; 168 *p++ = '/'; 169 *p++ = 'r'; 170 #endif 171 /* quick copy device name */ 172 for (q = pdc_devs[B_TYPE(dev)].name; (*p++ = *q++);); 173 p[-1] = '0' + B_UNIT(dev); 174 *p++ = 'a' + B_PARTITION(dev); 175 *p = '\0'; 176 } 177 178 int pch_pos; 179 180 void 181 putchar(int c) 182 { 183 switch(c) { 184 case '\177': /* DEL erases */ 185 cnputc('\b'); 186 cnputc(' '); 187 case '\b': 188 cnputc('\b'); 189 if (pch_pos) 190 pch_pos--; 191 break; 192 case '\t': 193 do 194 cnputc(' '); 195 while(++pch_pos % 8); 196 break; 197 case '\n': 198 /* 199 * XXX fredette - probably only necessary 200 * when using a serial console? 201 */ 202 cnputc(c); 203 c = '\r'; 204 /* FALLTHROUGH */ 205 case '\r': 206 cnputc(c); 207 pch_pos=0; 208 break; 209 default: 210 cnputc(c); 211 pch_pos++; 212 break; 213 } 214 } 215 216 int 217 getchar(void) 218 { 219 int c = cngetc(); 220 221 if (c == '\r') 222 c = '\n'; 223 224 if ((c < ' ' && c != '\n') || c == '\177') 225 return(c); 226 227 /* 228 * XXX fredette - probably only unnecessary 229 * when using a serial console? 230 */ 231 #if 0 232 putchar(c); 233 #endif 234 235 return(c); 236 } 237 238 int 239 tgetchar(void) 240 { 241 int c; 242 243 if ((c = tcngetc()) == 0) 244 return(0); 245 return(getchar()); 246 } 247 248 #if 0 249 char ttyname_buf[8]; 250 char * 251 ttyname(int fd) 252 { 253 snprintf(ttyname_buf, sizeof(ttyname_buf), "%s%d", 254 cdevs[major(cn_tab->cn_dev)], 255 minor(cn_tab->cn_dev)); 256 return (ttyname_buf); 257 } 258 259 dev_t 260 ttydev(char *name) 261 { 262 int i, unit = -1; 263 char *no = name + strlen(name) - 1; 264 265 while (no >= name && *no >= '0' && *no <= '9') 266 unit = (unit < 0 ? 0 : (unit * 10)) + *no-- - '0'; 267 if (no < name || unit < 0) 268 return (NODEV); 269 for (i = 0; i < ncdevs; i++) 270 if (strncmp(name, cdevs[i], no - name + 1) == 0) 271 return (makedev(i, unit)); 272 return (NODEV); 273 } 274 #endif 275
Indexes created Sat Sep 20 22:09:52 GMT 2025