/* $NetBSD: ahdi.c,v 1.1 2002/02/24 20:51:07 leo Exp $ */ /* * Copyright (c) 1996 Leo Weppelman, Waldi Ravens. * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by * Leo Weppelman and Waldi Ravens. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * 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 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 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 <sys/types.h> #include <stdlib.h> #include <string.h> #include <ctype.h> #include <stdio.h> #include <xhdi.h> #include "libtos.h" #include "diskio.h" #include "ahdilbl.h" u_int ahdi_getparts(dd, ptable, rsec, esec) disk_t *dd; ptable_t *ptable; u_int rsec, esec; { struct ahdi_part *part, *end; struct ahdi_root *root; u_int rv; root = disk_read(dd, rsec, 1); if (!root) { rv = rsec + (rsec == 0); goto done; } if (rsec == AHDI_BBLOCK) end = &root->ar_parts[AHDI_MAXRPD]; else end = &root->ar_parts[AHDI_MAXARPD]; for (part = root->ar_parts; part < end; ++part) { u_int id = *((u_int32_t *)&part->ap_flg); if (!(id & 0x01000000)) continue; if ((id &= 0x00ffffff) == AHDI_PID_XGM) { u_int offs = part->ap_st + esec; rv = ahdi_getparts(dd, ptable, offs, esec == AHDI_BBLOCK ? offs : esec); if (rv) goto done; } else { part_t *p; u_int i = ++ptable->nparts; ptable->parts = xrealloc(ptable->parts, i * sizeof *ptable->parts); p = &ptable->parts[--i]; *((u_int32_t *)&p->id) = id << 8; p->start = part->ap_st + rsec; p->end = p->start + part->ap_size - 1; p->rsec = rsec; p->rent = part - root->ar_parts; p->mod = 0; } } rv = 0; done: free(root); return(rv); } |