freebsd-skq/stand/powerpc/kboot/host_syscall.h
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

61 lines
2.4 KiB
C

/*-
* Copyright (C) 2014 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 ``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 TOOLS GMBH 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.
*
* $FreeBSD$
*/
#ifndef _HOST_SYSCALL_H
#define _HOST_SYSCALL_H
#include <stand.h>
ssize_t host_read(int fd, void *buf, size_t nbyte);
ssize_t host_write(int fd, const void *buf, size_t nbyte);
ssize_t host_seek(int fd, int64_t offset, int whence);
int host_open(const char *path, int flags, int mode);
ssize_t host_llseek(int fd, int32_t offset_high, int32_t offset_lo, uint64_t *result, int whence);
int host_close(int fd);
void *host_mmap(void *addr, size_t len, int prot, int flags, int fd, int);
#define host_getmem(size) host_mmap(0, size, 3 /* RW */, 0x22 /* ANON */, -1, 0);
struct old_utsname {
char sysname[65];
char nodename[65];
char release[65];
char version[65];
char machine[65];
};
int host_uname(struct old_utsname *);
struct host_timeval {
int tv_sec;
int tv_usec;
};
int host_gettimeofday(struct host_timeval *a, void *b);
int host_select(int nfds, long *readfds, long *writefds, long *exceptfds,
struct host_timeval *timeout);
int kexec_load(uint32_t start, int nsegs, uint32_t segs);
int host_reboot(int, int, int, uint32_t);
int host_getdents(int fd, void *dirp, int count);
#endif