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/*-
* Copyright (c) 2011 Nathan Whitehorn
* 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/sysctl.h>
#include <string.h>
#include "partedit.h"
static char platform[255] = "BIOS"; /* XXX once sysctl exists, make this an empty string */
static const char *platform_sysctl = "hw.platform";
const char *
default_scheme(void) {
return ("GPT");
}
int
is_scheme_bootable(const char *part_type) {
size_t platlen = sizeof(platform);
if (strlen(platform) == 0)
sysctlbyname(platform_sysctl, platform, &platlen, NULL, -1);
if (strcmp(part_type, "GPT") == 0)
return (1);
if (strcmp(platform, "BIOS") == 0) {
if (strcmp(part_type, "BSD") == 0)
return (1);
if (strcmp(part_type, "MBR") == 0)
return (1);
}
return (0);
}
size_t
bootpart_size(const char *scheme) {
size_t platlen = sizeof(platform);
if (strlen(platform) == 0)
sysctlbyname(platform_sysctl, platform, &platlen, NULL, -1);
/* No partcode except for GPT */
if (strcmp(scheme, "GPT") != 0)
return (0);
if (strcmp(platform, "BIOS") == 0)
return (64*1024);
else
return (800*1024);
return (0);
}
const char *
bootpart_type(const char *scheme) {
size_t platlen = sizeof(platform);
if (strlen(platform) == 0)
sysctlbyname(platform_sysctl, platform, &platlen, NULL, -1);
if (strcmp(platform, "EFI") == 0)
return ("efi");
return ("freebsd-boot");
}
const char *
bootcode_path(const char *part_type) {
size_t platlen = sizeof(platform);
if (strlen(platform) == 0)
sysctlbyname(platform_sysctl, platform, &platlen, NULL, -1);
if (strcmp(platform, "EFI") == 0)
return (NULL);
if (strcmp(part_type, "GPT") == 0)
return ("/boot/pmbr");
if (strcmp(part_type, "MBR") == 0)
return ("/boot/mbr");
if (strcmp(part_type, "BSD") == 0)
return ("/boot/boot");
return (NULL);
}
const char *
partcode_path(const char *part_type) {
size_t platlen = sizeof(platform);
if (strlen(platform) == 0)
sysctlbyname(platform_sysctl, platform, &platlen, NULL, -1);
if (strcmp(part_type, "GPT") == 0) {
if (strcmp(platform, "EFI") == 0)
return ("/boot/boot1.efifat");
else
return ("/boot/gptboot");
}
/* No partcode except for GPT */
return (NULL);
}
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