freebsd-skq/sys/i386/include/sysarch.h
Maxim Sobolev 84569dff34 o Move copyin()/copyout() out of i386_{get,set}_ldt() and
i386_{get,set}_ioperm() and make those APIs visible in the kernel namespace;

o use i386_{get,set}_ldt() and i386_{get,set}_ioperm() instead of sysarch()
  in the linuxlator, which allows to kill another two stackgaps.

MFC after:	2 weeks
2005-01-26 13:59:46 +00:00

102 lines
3.3 KiB
C

/*-
* Copyright (c) 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.
* 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.
*
* $FreeBSD$
*/
/*
* Architecture specific syscalls (i386)
*/
#ifndef _MACHINE_SYSARCH_H_
#define _MACHINE_SYSARCH_H_
#define I386_GET_LDT 0
#define I386_SET_LDT 1
#define LDT_AUTO_ALLOC 0xffffffff
/* I386_IOPL */
#define I386_GET_IOPERM 3
#define I386_SET_IOPERM 4
/* xxxxx */
#define I386_VM86 6
/* These four only exist when running an i386 binary on amd64 */
#define _AMD64_GET_FSBASE 128
#define _AMD64_SET_FSBASE 129
#define _AMD64_GET_GSBASE 130
#define _AMD64_SET_GSBASE 131
struct i386_ldt_args {
unsigned int start;
union descriptor *descs;
unsigned int num;
};
struct i386_ioperm_args {
unsigned int start;
unsigned int length;
int enable;
};
struct i386_vm86_args {
int sub_op; /* sub-operation to perform */
char *sub_args; /* args */
};
#ifndef _KERNEL
#include <sys/cdefs.h>
union descriptor;
struct dbreg;
__BEGIN_DECLS
/* These four only exist when running an i386 binary on amd64 */
int _amd64_get_fsbase(void **);
int _amd64_get_gsbase(void **);
int _amd64_set_fsbase(void *);
int _amd64_set_gsbase(void *);
int i386_get_ldt(int, union descriptor *, int);
int i386_set_ldt(int, union descriptor *, int);
int i386_get_ioperm(unsigned int, unsigned int *, int *);
int i386_set_ioperm(unsigned int, unsigned int, int);
int i386_vm86(int, void *);
int i386_set_watch(int, unsigned int, int, int, struct dbreg *);
int i386_clr_watch(int, struct dbreg *);
int sysarch(int, void *);
__END_DECLS
#else
struct thread;
union descriptor;
int i386_get_ldt(struct thread *, struct i386_ldt_args *);
int i386_set_ldt(struct thread *, struct i386_ldt_args *, union descriptor *);
int i386_get_ioperm(struct thread *, struct i386_ioperm_args *);
int i386_set_ioperm(struct thread *, struct i386_ioperm_args *);
#endif
#endif /* !_MACHINE_SYSARCH_H_ */