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linuxdef.h
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1996-01-19
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226 lines
/*
* This file contains definitions for compiling the FreeBSD-based code
* on a Linux system. It has been collected from misc. header files of
* the FreeBSD distribution. Therefore the following copyright conditions
* apply
*/
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
*/
#ifndef __LINUXDEF_H__
#define __LINUXDEF_H__
#ifdef __linux
#define NETBOOT32
#endif
#ifdef __BCC__
#define NETBOOT16
#define __signed__ /* cancel definition in sys/types.h */
#endif
#include <sys/types.h>
typedef unsigned long Address;
/* ANSI prototyping macro */
#ifdef __STDC__
#define P(x) x
#else
#define P(x) ()
#endif
#ifdef __linux
#include <asm/byteorder.h>
#include <asm/io.h>
/* Linux reverses the order of the parameters, so change the macros */
#undef outb
#define outb(port,val) \
((__builtin_constant_p((port)) && (port) < 256) ? \
__outbc((val),(port)) : \
__outb((val),(port)))
#undef outw
#define outw(port,val) \
((__builtin_constant_p((port)) && (port) < 256) ? \
__outwc((val),(port)) : \
__outw((val),(port)))
#define _edata edata /* ELF does not prepend a _ */
#define _end end
#endif
#define IFNAMSIZ 16
#define NGROUPS_MAX 16 /* max supplemental group id's */
#define NGROUPS NGROUPS_MAX /* max number groups */
#define NFSX_V2FH 32
#define MNAMELEN 90 /* length of buffer for returned name*/
#define MAXHOSTNAMELEN 256 /* max hostname size */
#define SOCK_STREAM 1 /* stream socket */
#define SOCK_DGRAM 2 /* datagram socket */
#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
#define NFSMNT_WSIZE 0x00000002 /* set write size */
#define NFSMNT_RSIZE 0x00000004 /* set read size */
#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
#define NFSERR_PERM 1
#define NFSERR_NOENT 2
#define NFSERR_ACCES 13
#define AF_UNSPEC 0 /* unspecified */
#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
#define CLSIZELOG2 0
#define CLSIZE (1 << CLSIZELOG2)
#define PAGE_SHIFT 12
#define NBPG (1 << PAGE_SHIFT) /* bytes/page */
#define CLOFSET (CLSIZE*NBPG-1) /* for clusters, like PGOFSET */
#define BOOTINFO_VERSION 1
#define N_BIOS_GEOM 8
#define NODEV (dev_t)(-1) /* non-existent device */
#define OMAGIC 0407 /* old impure format */
#define NMAGIC 0410 /* read-only text */
#define ZMAGIC 0413 /* demand load format */
#define QMAGIC 0314 /* "compact" demand load format */
#define __LDPGSZ 4096
#define N_GETMAGIC(ex) \
( (ex).a_midmag & 0xffff )
#define N_GETMAGIC_NET(ex) \
(ntohl((ex).a_midmag) & 0xffff)
#define N_BADMAG(ex) \
(N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \
N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \
N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \
N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC)
#define N_TXTOFF(ex) \
(N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : (N_GETMAGIC(ex) == QMAGIC || \
N_GETMAGIC_NET(ex) == ZMAGIC) ? 0 : sizeof(struct exec))
struct sockaddr {
u_char sa_len; /* total length */
u_char sa_family; /* address family */
char sa_data[14]; /* actually longer; address value */
};
struct in_addr {
u_long s_addr;
};
struct sockaddr_in {
u_char sin_len;
u_char sin_family;
u_short sin_port;
struct in_addr sin_addr;
char sin_zero[8];
};
struct ifaliasreq {
char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
struct sockaddr ifra_addr;
struct sockaddr ifra_broadaddr;
struct sockaddr ifra_mask;
};
struct nfs_args {
struct sockaddr *addr; /* file server address */
int addrlen; /* length of address */
int sotype; /* Socket type */
int proto; /* and Protocol */
u_char *fh; /* File handle to be mounted */
int fhsize; /* Size, in bytes, of fh */
int flags; /* flags */
int wsize; /* write size in bytes */
int rsize; /* read size in bytes */
int readdirsize; /* readdir size in bytes */
int timeo; /* initial timeout in .1 secs */
int retrans; /* times to retry send */
int maxgrouplist; /* Max. size of group list */
int readahead; /* # of blocks to readahead */
int leaseterm; /* Term (sec) of lease */
int deadthresh; /* Retrans threshold */
char *hostname; /* server's name */
};
struct ucred {
u_short cr_ref; /* reference count */
uid_t cr_uid; /* effective user id */
short cr_ngroups; /* number of groups */
gid_t cr_groups[NGROUPS]; /* groups */
};
struct nfs_diskless {
struct ifaliasreq myif; /* Default interface */
struct sockaddr_in mygateway; /* Default gateway */
struct nfs_args swap_args; /* Mount args for swap file */
u_char swap_fh[NFSX_V2FH]; /* Swap file's file handle */
struct sockaddr_in swap_saddr; /* Address of swap server */
char swap_hostnam[MNAMELEN]; /* Host name for mount pt */
int swap_nblks; /* Size of server swap file */
struct ucred swap_ucred; /* Swap credentials */
struct nfs_args root_args; /* Mount args for root fs */
u_char root_fh[NFSX_V2FH]; /* File handle of root dir */
struct sockaddr_in root_saddr; /* Address of root server */
char root_hostnam[MNAMELEN]; /* Host name for mount pt */
long root_time; /* Timestamp of root fs */
char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */
};
struct bootinfo {
unsigned int bi_version;
unsigned char *bi_kernelname;
struct nfs_diskless *bi_nfs_diskless;
/* End of fields that are always present. */
#define bi_endcommon bi_n_bios_used
unsigned int bi_n_bios_used;
unsigned long bi_bios_geom[N_BIOS_GEOM];
unsigned int bi_size;
unsigned char bi_memsizes_valid;
unsigned char bi_pad[3];
unsigned long bi_basemem;
unsigned long bi_extmem;
unsigned long bi_symtab;
unsigned long bi_esymtab;
};
struct exec {
unsigned long a_midmag; /* flags<<26 | mid<<16 | magic */
unsigned long a_text; /* text segment size */
unsigned long a_data; /* initialized data size */
unsigned long a_bss; /* uninitialized data size */
unsigned long a_syms; /* symbol table size */
unsigned long a_entry; /* entry point */
unsigned long a_trsize; /* text relocation size */
unsigned long a_drsize; /* data relocation size */
};
#endif