60f18ad0b4
Some mpc85xx devices with u-boot need MBR partitioning with a FAT boot partition. Since the infrastructure is already in place to have a dedicated boot partition, this adds the necessary bits to use that infrastructure with mpc85xx boards. Reviewed By: nwhitehorn Differential Revision: https://reviews.freebsd.org/D15664
144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2011 Nathan Whitehorn
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <string.h>
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#include "partedit.h"
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static char platform[255] = "";
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const char *
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default_scheme(void) {
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size_t platlen = sizeof(platform);
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if (strlen(platform) == 0)
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sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
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if (strcmp(platform, "powermac") == 0)
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return ("APM");
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if (strcmp(platform, "chrp") == 0 || strcmp(platform, "ps3") == 0 ||
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strcmp(platform, "mpc85xx") == 0)
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return ("MBR");
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/* Pick GPT as a generic default */
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return ("GPT");
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}
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int
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is_scheme_bootable(const char *part_type) {
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size_t platlen = sizeof(platform);
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if (strlen(platform) == 0)
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sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
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if (strcmp(platform, "powermac") == 0 && strcmp(part_type, "APM") == 0)
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return (1);
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if (strcmp(platform, "powernv") == 0 && strcmp(part_type, "GPT") == 0)
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return (1);
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if ((strcmp(platform, "chrp") == 0 || strcmp(platform, "ps3") == 0) &&
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(strcmp(part_type, "MBR") == 0 || strcmp(part_type, "BSD") == 0 ||
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strcmp(part_type, "GPT") == 0))
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return (1);
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if (strcmp(platform, "mpc85xx") == 0 && strcmp(part_type, "MBR") == 0)
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return (1);
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return (0);
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}
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int
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is_fs_bootable(const char *part_type, const char *fs)
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{
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if (strcmp(fs, "freebsd-ufs") == 0)
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return (1);
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return (0);
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}
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size_t
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bootpart_size(const char *part_type)
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{
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size_t platlen = sizeof(platform);
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if (strlen(platform) == 0)
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sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
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if (strcmp(part_type, "APM") == 0)
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return (800*1024);
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if (strcmp(part_type, "BSD") == 0) /* Nothing for nested */
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return (0);
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if (strcmp(platform, "chrp") == 0)
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return (800*1024);
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if (strcmp(platform, "ps3") == 0 || strcmp(platform, "powernv") == 0 ||
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strcmp(platform, "mpc85xx") == 0)
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return (512*1024*1024);
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return (0);
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}
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const char *
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bootpart_type(const char *scheme, const char **mountpoint)
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{
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size_t platlen = sizeof(platform);
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if (strlen(platform) == 0)
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sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
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if (strcmp(platform, "chrp") == 0)
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return ("prep-boot");
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if (strcmp(platform, "powermac") == 0)
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return ("apple-boot");
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if (strcmp(platform, "powernv") == 0 || strcmp(platform, "ps3") == 0 ||
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strcmp(platform, "mpc85xx") == 0) {
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*mountpoint = "/boot";
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if (strcmp(scheme, "GPT") == 0)
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return ("ms-basic-data");
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else if (strcmp(scheme, "MBR") == 0)
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return ("fat32");
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}
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return ("freebsd-boot");
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}
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const char *
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bootcode_path(const char *part_type) {
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return (NULL);
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}
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const char *
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partcode_path(const char *part_type, const char *fs_type) {
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size_t platlen = sizeof(platform);
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if (strlen(platform) == 0)
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sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
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if (strcmp(part_type, "APM") == 0)
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return ("/boot/boot1.hfs");
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if (strcmp(platform, "chrp") == 0)
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return ("/boot/boot1.elf");
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return (NULL);
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}
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