/* $OpenBSD: dev_hppa.c,v 1.18 2024/04/14 03:26:25 jsg Exp $ */ /* * Copyright (c) 1998-2004 Michael Shalayeff * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include "libsa.h" #include #include #include #include #include #include "dev_hppa.h" extern int debug; const char cdevs[][4] = { "ite", "", "", "", "", "", "", "", "", "", "", "", "" }; const int ncdevs = nitems(cdevs); const struct pdc_devs { char name[3]; int dev_type; } pdc_devs[] = { { "dk", 0 }, { "ct", 1 }, { "lf", 2 }, { "", -1 }, { "rd", -1 }, { "sw", -1 }, { "fl", -1 }, }; /* pass dev_t to the open routines */ int devopen(f, fname, file) struct open_file *f; const char *fname; char **file; { struct hppa_dev *hpd; const struct pdc_devs *dp = pdc_devs; int rc = 1; if (!(*file = strchr(fname, ':'))) return ENODEV; else (*file)++; #ifdef DEBUG if (debug) printf("devopen: "); #endif for (dp = pdc_devs; dp < &pdc_devs[nitems(pdc_devs)]; dp++) if (!strncmp(fname, dp->name, sizeof(dp->name)-1)) break; if (dp >= &pdc_devs[nitems(pdc_devs)] || dp->dev_type < 0) return ENODEV; #ifdef DEBUG if (debug) printf("%s\n", dp->name); #endif if (!(hpd = alloc(sizeof *hpd))) { #ifdef DEBUG printf ("devopen: no mem\n"); #endif } else { bzero(hpd, sizeof *hpd); hpd->bootdev = bootdev; hpd->buf = (char *)(((u_int)hpd->ua_buf + IODC_MINIOSIZ-1) & ~(IODC_MINIOSIZ-1)); f->f_devdata = hpd; if ((rc = (*devsw[dp->dev_type].dv_open)(f, file)) == 0) { f->f_dev = &devsw[dp->dev_type]; return 0; } free (hpd, 0); f->f_devdata = NULL; } if (!(f->f_flags & F_NODEV)) f->f_dev = &devsw[dp->dev_type]; if (!f->f_devdata) *file = NULL; return rc; } void devboot(dev, p) dev_t dev; char *p; { const char *q; int unit; if (!dev) { int type; switch (PAGE0->mem_boot.pz_class) { case PCL_RANDOM: type = 0; unit = PAGE0->mem_boot.pz_layers[0]; break; case PCL_SEQU: type = 1; unit = PAGE0->mem_boot.pz_layers[0]; break; case PCL_NET_MASK|PCL_SEQU: type = 2; unit = 0; break; default: type = 0; unit = 0; break; } dev = bootdev = MAKEBOOTDEV(type, 0, 0, unit, B_PARTITION(dev)); } #ifdef _TEST *p++ = '/'; *p++ = 'd'; *p++ = 'e'; *p++ = 'v'; *p++ = '/'; *p++ = 'r'; #endif /* quick copy device name */ for (q = pdc_devs[B_TYPE(dev)].name; (*p++ = *q++);) ; unit = B_UNIT(dev); if (unit >= 10) { p[-1] = '0' + unit / 10; *p++ = '0' + (unit % 10); } else p[-1] = '0' + unit; *p++ = 'a' + B_PARTITION(dev); *p = '\0'; } char ttyname_buf[8]; char * ttyname(fd) int fd; { snprintf(ttyname_buf, sizeof ttyname_buf, "%s%d", cdevs[major(cn_tab->cn_dev)], minor(cn_tab->cn_dev)); return (ttyname_buf); } dev_t ttydev(name) char *name; { int i, unit = -1; char *no = name + strlen(name) - 1; while (no >= name && *no >= '0' && *no <= '9') unit = (unit < 0 ? 0 : (unit * 10)) + *no-- - '0'; if (no < name || unit < 0) return (NODEV); for (i = 0; i < ncdevs; i++) if (strncmp(name, cdevs[i], no - name + 1) == 0) return (makedev(i, unit)); return (NODEV); }