fa1cc12897
mostly originated from aptck. Need an extra pass over aptck to cut out all functionality now moved to the library...
93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/* $NetBSD: ahdi.c,v 1.1 2002/02/24 20:51:07 leo Exp $ */
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/*
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* Copyright (c) 1996 Leo Weppelman, Waldi Ravens.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by
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* Leo Weppelman and Waldi Ravens.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <xhdi.h>
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#include "libtos.h"
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#include "diskio.h"
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#include "ahdilbl.h"
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u_int
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ahdi_getparts(dd, ptable, rsec, esec)
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disk_t *dd;
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ptable_t *ptable;
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u_int rsec,
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esec;
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{
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struct ahdi_part *part, *end;
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struct ahdi_root *root;
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u_int rv;
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root = disk_read(dd, rsec, 1);
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if (!root) {
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rv = rsec + (rsec == 0);
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goto done;
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}
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if (rsec == AHDI_BBLOCK)
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end = &root->ar_parts[AHDI_MAXRPD];
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else end = &root->ar_parts[AHDI_MAXARPD];
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for (part = root->ar_parts; part < end; ++part) {
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u_int id = *((u_int32_t *)&part->ap_flg);
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if (!(id & 0x01000000))
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continue;
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if ((id &= 0x00ffffff) == AHDI_PID_XGM) {
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u_int offs = part->ap_st + esec;
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rv = ahdi_getparts(dd, ptable, offs,
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esec == AHDI_BBLOCK ? offs : esec);
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if (rv)
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goto done;
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} else {
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part_t *p;
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u_int i = ++ptable->nparts;
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ptable->parts = xrealloc(ptable->parts,
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i * sizeof *ptable->parts);
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p = &ptable->parts[--i];
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*((u_int32_t *)&p->id) = id << 8;
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p->start = part->ap_st + rsec;
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p->end = p->start + part->ap_size - 1;
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p->rsec = rsec;
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p->rent = part - root->ar_parts;
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p->mod = 0;
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}
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}
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rv = 0;
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done:
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free(root);
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return(rv);
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}
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