freebsd-dev/sys/i386/include/vm86.h
Jonathan Lemon 5f07393373 Remove the vm86 support as an LKM, and link it directly into the kernel
if 'options "VM86"' is in the config file.  The LKM was really for
development, and has probably outlived its usefulness.
1997-08-28 14:36:56 +00:00

113 lines
3.1 KiB
C

/*-
* Copyright (c) 1997 Jonathan Lemon
* All rights reserved.
*
* Derived from register.h, which is
* Copyright (c) 1996 Michael Smith. 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.
*
* $Id: vm86.h,v 1.2 1997/08/20 19:57:24 jlemon Exp $
*/
#ifndef _MACHINE_VM86_H_
#define _MACHINE_VM86_H_ 1
struct vm86_kernel {
caddr_t vm86_intmap; /* interrupt map */
u_long vm86_eflags; /* emulated flags */
int vm86_has_vme; /* VME support */
int vm86_inited; /* we were initialized */
int vm86_debug;
};
struct i386_vm86_args {
int sub_op; /* sub-operation to perform */
char *sub_args; /* args */
};
#define VM86_INIT 1
#define VM86_SET_VME 2
#define VM86_GET_VME 3
struct vm86_init_args {
int debug; /* debug flag */
int cpu_type; /* cpu type to emulate */
u_char int_map[32]; /* interrupt map */
};
struct vm86_vme_args {
int state; /* status */
};
/* standard register representation */
typedef union {
u_long r_ex;
struct {
u_short r_x;
u_short :16;
} r_w;
struct {
u_char r_l;
u_char r_h;
u_short :16;
} r_b;
} reg86_t;
/* layout must match definition of struct trapframe_vm86 in <machine/frame.h> */
struct vm86frame {
int :32; /* kernel ES */
int :32; /* kernel DS */
reg86_t edi;
reg86_t esi;
reg86_t ebp;
reg86_t isp;
reg86_t ebx;
reg86_t edx;
reg86_t ecx;
reg86_t eax;
int :32; /* trapno */
int :32; /* err */
reg86_t eip;
reg86_t cs;
reg86_t eflags;
reg86_t esp;
reg86_t ss;
reg86_t es;
reg86_t ds;
reg86_t fs;
reg86_t gs;
#define vmf_cs cs.r_w.r_x
#define vmf_ss ss.r_w.r_x
#define vmf_sp esp.r_w.r_x
#define vmf_ip eip.r_w.r_x
#define vmf_flags eflags.r_w.r_x
#define vmf_eflags eflags.r_ex
};
struct proc;
extern int vm86_emulate __P((struct vm86frame *));
extern int vm86_sysarch __P((struct proc *, char *, int *));
#endif /* _MACHINE_VM86_H_ */