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author | nyan <nyan@FreeBSD.org> | 2003-05-01 13:44:24 +0000 |
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committer | nyan <nyan@FreeBSD.org> | 2003-05-01 13:44:24 +0000 |
commit | 313e5532054f4eb70ecba1a25a519ebfe061da1c (patch) | |
tree | ac12113193325fbb2c8b1d5802f26b7ab536190d /sys/geom/geom_pc98_enc.c | |
parent | 33a268f422abc0f17861af3ee9f7bd25afb39192 (diff) | |
download | FreeBSD-src-313e5532054f4eb70ecba1a25a519ebfe061da1c.zip FreeBSD-src-313e5532054f4eb70ecba1a25a519ebfe061da1c.tar.gz |
- Move decoding pc98_partition function into geom_pc98_enc.c.
- Add encoding pc98_partition function.
Diffstat (limited to 'sys/geom/geom_pc98_enc.c')
-rw-r--r-- | sys/geom/geom_pc98_enc.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sys/geom/geom_pc98_enc.c b/sys/geom/geom_pc98_enc.c new file mode 100644 index 0000000..5424ea4 --- /dev/null +++ b/sys/geom/geom_pc98_enc.c @@ -0,0 +1,77 @@ +/*- + * Copyright (c) 2003 TAKAHASHI Yoshihiro + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/diskpc98.h> +#include <sys/endian.h> + +void +pc98_partition_dec(void const *pp, struct pc98_partition *d) +{ + unsigned char const *ptr = pp; + int i; + + d->dp_mid = ptr[0]; + d->dp_sid = ptr[1]; + d->dp_dum1 = ptr[2]; + d->dp_dum2 = ptr[3]; + d->dp_ipl_sct = ptr[4]; + d->dp_ipl_head = ptr[5]; + d->dp_ipl_cyl = le16dec(ptr + 6); + d->dp_ssect = ptr[8]; + d->dp_shd = ptr[9]; + d->dp_scyl = le16dec(ptr + 10); + d->dp_esect = ptr[12]; + d->dp_ehd = ptr[13]; + d->dp_ecyl = le16dec(ptr + 14); + for (i = 0; i < sizeof (d->dp_name); i++) + d->dp_name[i] = ptr[16 + i]; +} + +void +pc98_partition_enc(void *pp, struct pc98_partition *d) +{ + unsigned char *ptr = pp; + int i; + + ptr[0] = d->dp_mid; + ptr[1] = d->dp_sid; + ptr[2] = d->dp_dum1; + ptr[3] = d->dp_dum2; + ptr[4] = d->dp_ipl_sct; + ptr[5] = d->dp_ipl_head; + le16enc(ptr + 6, d->dp_ipl_cyl); + ptr[8] = d->dp_ssect; + ptr[9] = d->dp_shd; + le16enc(ptr + 10, d->dp_scyl); + ptr[12] = d->dp_esect; + ptr[13] = d->dp_ehd; + le16enc(ptr + 14, d->dp_ecyl); + for (i = 0; i < sizeof (d->dp_name); i++) + ptr[16 + i] = d->dp_name[i]; +} |