freebsd-skq/stand/powerpc/kboot/conf.c
wma 3c76db63a6 loader: support for mixed-endianness ELF/loader and POWER8
On POWER8 with current petitpoot, the loader.kboot might be
run as little-endian application. The FreeBSD kernel is
always big-endian, so the load_elf_* routines must be aware
of proper endianness of all fields.

Submitted by:          Wojciech Macek <wma@semihalf.com>
Obtained from:         Semihalf
Sponsored by:          IBM, QCM Technologies
Differential revision: https://reviews.freebsd.org/D12422
2018-01-29 09:24:28 +00:00

119 lines
3.0 KiB
C

/*-
* Copyright (C) 1999 Michael Smith <msmith@freebsd.org>
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stand.h>
#include "bootstrap.h"
#if defined(LOADER_NET_SUPPORT)
#include "dev_net.h"
#endif
extern struct devsw hostdisk;
/*
* We could use linker sets for some or all of these, but
* then we would have to control what ended up linked into
* the bootstrap. So it's easier to conditionalise things
* here.
*
* XXX rename these arrays to be consistent and less namespace-hostile
*/
/* Exported for libstand */
struct devsw *devsw[] = {
#if defined(LOADER_DISK_SUPPORT) || defined(LOADER_CD9660_SUPPORT)
&hostdisk,
#endif
#if defined(LOADER_NET_SUPPORT)
&netdev,
#endif
NULL
};
struct fs_ops *file_system[] = {
#if defined(LOADER_UFS_SUPPORT)
&ufs_fsops,
#endif
#if defined(LOADER_CD9660_SUPPORT)
&cd9660_fsops,
#endif
#if defined(LOADER_EXT2FS_SUPPORT)
&ext2fs_fsops,
#endif
#if defined(LOADER_NFS_SUPPORT)
&nfs_fsops,
#endif
#if defined(LOADER_TFTP_SUPPORT)
&tftp_fsops,
#endif
#if defined(LOADER_GZIP_SUPPORT)
&gzipfs_fsops,
#endif
#if defined(LOADER_BZIP2_SUPPORT)
&bzipfs_fsops,
#endif
&dosfs_fsops,
NULL
};
extern struct netif_driver kbootnet;
struct netif_driver *netif_drivers[] = {
#if 0 /* XXX */
#if defined(LOADER_NET_SUPPORT)
&kbootnet,
#endif
#endif
NULL,
};
/* Exported for PowerPC only */
/*
* Sort formats so that those that can detect based on arguments
* rather than reading the file go first.
*/
extern struct file_format ppc_elf64;
struct file_format *file_formats[] = {
&ppc_elf64,
NULL
};
/*
* Consoles
*/
extern struct console hostconsole;
struct console *consoles[] = {
&hostconsole,
NULL
};