1114414Snyan/*- 2114414Snyan * Copyright (c) 2003 TAKAHASHI Yoshihiro 3114414Snyan * All rights reserved. 4114414Snyan * 5114414Snyan * Redistribution and use in source and binary forms, with or without 6114414Snyan * modification, are permitted provided that the following conditions 7114414Snyan * are met: 8114414Snyan * 1. Redistributions of source code must retain the above copyright 9114414Snyan * notice, this list of conditions and the following disclaimer. 10114414Snyan * 2. Redistributions in binary form must reproduce the above copyright 11114414Snyan * notice, this list of conditions and the following disclaimer in the 12114414Snyan * documentation and/or other materials provided with the distribution. 13114414Snyan * 14114414Snyan * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15114414Snyan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16114414Snyan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17114414Snyan * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18114414Snyan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19114414Snyan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20114414Snyan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21114414Snyan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22114414Snyan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23114414Snyan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24114414Snyan * SUCH DAMAGE. 25114414Snyan */ 26114414Snyan 27116196Sobrien#include <sys/cdefs.h> 28116196Sobrien__FBSDID("$FreeBSD$"); 29116196Sobrien 30114414Snyan#include <sys/types.h> 31114414Snyan#include <sys/diskpc98.h> 32114414Snyan#include <sys/endian.h> 33114414Snyan 34114414Snyanvoid 35114414Snyanpc98_partition_dec(void const *pp, struct pc98_partition *d) 36114414Snyan{ 37114414Snyan unsigned char const *ptr = pp; 38145761Snyan u_int i; 39114414Snyan 40114414Snyan d->dp_mid = ptr[0]; 41114414Snyan d->dp_sid = ptr[1]; 42114414Snyan d->dp_dum1 = ptr[2]; 43114414Snyan d->dp_dum2 = ptr[3]; 44114414Snyan d->dp_ipl_sct = ptr[4]; 45114414Snyan d->dp_ipl_head = ptr[5]; 46114414Snyan d->dp_ipl_cyl = le16dec(ptr + 6); 47114414Snyan d->dp_ssect = ptr[8]; 48114414Snyan d->dp_shd = ptr[9]; 49114414Snyan d->dp_scyl = le16dec(ptr + 10); 50114414Snyan d->dp_esect = ptr[12]; 51114414Snyan d->dp_ehd = ptr[13]; 52114414Snyan d->dp_ecyl = le16dec(ptr + 14); 53114414Snyan for (i = 0; i < sizeof (d->dp_name); i++) 54114414Snyan d->dp_name[i] = ptr[16 + i]; 55114414Snyan} 56114414Snyan 57114414Snyanvoid 58114414Snyanpc98_partition_enc(void *pp, struct pc98_partition *d) 59114414Snyan{ 60114414Snyan unsigned char *ptr = pp; 61145761Snyan u_int i; 62114414Snyan 63114414Snyan ptr[0] = d->dp_mid; 64114414Snyan ptr[1] = d->dp_sid; 65114414Snyan ptr[2] = d->dp_dum1; 66114414Snyan ptr[3] = d->dp_dum2; 67114414Snyan ptr[4] = d->dp_ipl_sct; 68114414Snyan ptr[5] = d->dp_ipl_head; 69114414Snyan le16enc(ptr + 6, d->dp_ipl_cyl); 70114414Snyan ptr[8] = d->dp_ssect; 71114414Snyan ptr[9] = d->dp_shd; 72114414Snyan le16enc(ptr + 10, d->dp_scyl); 73114414Snyan ptr[12] = d->dp_esect; 74114414Snyan ptr[13] = d->dp_ehd; 75114414Snyan le16enc(ptr + 14, d->dp_ecyl); 76114414Snyan for (i = 0; i < sizeof (d->dp_name); i++) 77114414Snyan ptr[16 + i] = d->dp_name[i]; 78114414Snyan} 79