ahdi.c revision 1.1.2.2
1 1.1.2.2 nathanw /* $NetBSD: ahdi.c,v 1.1.2.2 2002/02/28 04:08:31 nathanw Exp $ */ 2 1.1.2.2 nathanw 3 1.1.2.2 nathanw /* 4 1.1.2.2 nathanw * Copyright (c) 1996 Leo Weppelman, Waldi Ravens. 5 1.1.2.2 nathanw * All rights reserved. 6 1.1.2.2 nathanw * 7 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 nathanw * modification, are permitted provided that the following conditions 9 1.1.2.2 nathanw * are met: 10 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution. 15 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 16 1.1.2.2 nathanw * must display the following acknowledgement: 17 1.1.2.2 nathanw * This product includes software developed by 18 1.1.2.2 nathanw * Leo Weppelman and Waldi Ravens. 19 1.1.2.2 nathanw * 4. The name of the author may not be used to endorse or promote products 20 1.1.2.2 nathanw * derived from this software without specific prior written permission. 21 1.1.2.2 nathanw * 22 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 1.1.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.1.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.1.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 1.1.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 1.1.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 1.1.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 1.1.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 1.1.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 1.1.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.1.2.2 nathanw */ 33 1.1.2.2 nathanw 34 1.1.2.2 nathanw #include <sys/types.h> 35 1.1.2.2 nathanw #include <stdlib.h> 36 1.1.2.2 nathanw #include <string.h> 37 1.1.2.2 nathanw #include <ctype.h> 38 1.1.2.2 nathanw #include <stdio.h> 39 1.1.2.2 nathanw #include <xhdi.h> 40 1.1.2.2 nathanw #include "libtos.h" 41 1.1.2.2 nathanw #include "diskio.h" 42 1.1.2.2 nathanw #include "ahdilbl.h" 43 1.1.2.2 nathanw 44 1.1.2.2 nathanw u_int 45 1.1.2.2 nathanw ahdi_getparts(dd, ptable, rsec, esec) 46 1.1.2.2 nathanw disk_t *dd; 47 1.1.2.2 nathanw ptable_t *ptable; 48 1.1.2.2 nathanw u_int rsec, 49 1.1.2.2 nathanw esec; 50 1.1.2.2 nathanw { 51 1.1.2.2 nathanw struct ahdi_part *part, *end; 52 1.1.2.2 nathanw struct ahdi_root *root; 53 1.1.2.2 nathanw u_int rv; 54 1.1.2.2 nathanw 55 1.1.2.2 nathanw root = disk_read(dd, rsec, 1); 56 1.1.2.2 nathanw if (!root) { 57 1.1.2.2 nathanw rv = rsec + (rsec == 0); 58 1.1.2.2 nathanw goto done; 59 1.1.2.2 nathanw } 60 1.1.2.2 nathanw 61 1.1.2.2 nathanw if (rsec == AHDI_BBLOCK) 62 1.1.2.2 nathanw end = &root->ar_parts[AHDI_MAXRPD]; 63 1.1.2.2 nathanw else end = &root->ar_parts[AHDI_MAXARPD]; 64 1.1.2.2 nathanw for (part = root->ar_parts; part < end; ++part) { 65 1.1.2.2 nathanw u_int id = *((u_int32_t *)&part->ap_flg); 66 1.1.2.2 nathanw if (!(id & 0x01000000)) 67 1.1.2.2 nathanw continue; 68 1.1.2.2 nathanw if ((id &= 0x00ffffff) == AHDI_PID_XGM) { 69 1.1.2.2 nathanw u_int offs = part->ap_st + esec; 70 1.1.2.2 nathanw rv = ahdi_getparts(dd, ptable, offs, 71 1.1.2.2 nathanw esec == AHDI_BBLOCK ? offs : esec); 72 1.1.2.2 nathanw if (rv) 73 1.1.2.2 nathanw goto done; 74 1.1.2.2 nathanw } else { 75 1.1.2.2 nathanw part_t *p; 76 1.1.2.2 nathanw u_int i = ++ptable->nparts; 77 1.1.2.2 nathanw ptable->parts = xrealloc(ptable->parts, 78 1.1.2.2 nathanw i * sizeof *ptable->parts); 79 1.1.2.2 nathanw p = &ptable->parts[--i]; 80 1.1.2.2 nathanw *((u_int32_t *)&p->id) = id << 8; 81 1.1.2.2 nathanw p->start = part->ap_st + rsec; 82 1.1.2.2 nathanw p->end = p->start + part->ap_size - 1; 83 1.1.2.2 nathanw p->rsec = rsec; 84 1.1.2.2 nathanw p->rent = part - root->ar_parts; 85 1.1.2.2 nathanw p->mod = 0; 86 1.1.2.2 nathanw } 87 1.1.2.2 nathanw } 88 1.1.2.2 nathanw rv = 0; 89 1.1.2.2 nathanw done: 90 1.1.2.2 nathanw free(root); 91 1.1.2.2 nathanw return(rv); 92 1.1.2.2 nathanw } 93
Indexes created Thu Oct 02 14:10:14 GMT 2025