1/*- 2 * Copyright (c) 2003 TAKAHASHI Yoshihiro 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include <sys/types.h> 31#include <sys/diskpc98.h> 32#include <sys/endian.h> 33 34void 35pc98_partition_dec(void const *pp, struct pc98_partition *d) 36{ 37 unsigned char const *ptr = pp; 38 u_int i; 39 40 d->dp_mid = ptr[0]; 41 d->dp_sid = ptr[1]; 42 d->dp_dum1 = ptr[2]; 43 d->dp_dum2 = ptr[3]; 44 d->dp_ipl_sct = ptr[4]; 45 d->dp_ipl_head = ptr[5]; 46 d->dp_ipl_cyl = le16dec(ptr + 6); 47 d->dp_ssect = ptr[8]; 48 d->dp_shd = ptr[9]; 49 d->dp_scyl = le16dec(ptr + 10); 50 d->dp_esect = ptr[12]; 51 d->dp_ehd = ptr[13]; 52 d->dp_ecyl = le16dec(ptr + 14); 53 for (i = 0; i < sizeof (d->dp_name); i++) 54 d->dp_name[i] = ptr[16 + i]; 55} 56 57void 58pc98_partition_enc(void *pp, struct pc98_partition *d) 59{ 60 unsigned char *ptr = pp; 61 u_int i; 62 63 ptr[0] = d->dp_mid; 64 ptr[1] = d->dp_sid; 65 ptr[2] = d->dp_dum1; 66 ptr[3] = d->dp_dum2; 67 ptr[4] = d->dp_ipl_sct; 68 ptr[5] = d->dp_ipl_head; 69 le16enc(ptr + 6, d->dp_ipl_cyl); 70 ptr[8] = d->dp_ssect; 71 ptr[9] = d->dp_shd; 72 le16enc(ptr + 10, d->dp_scyl); 73 ptr[12] = d->dp_esect; 74 ptr[13] = d->dp_ehd; 75 le16enc(ptr + 14, d->dp_ecyl); 76 for (i = 0; i < sizeof (d->dp_name); i++) 77 ptr[16 + i] = d->dp_name[i]; 78} 79