mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-18 10:35:55 +00:00
5f07393373
if 'options "VM86"' is in the config file. The LKM was really for development, and has probably outlived its usefulness.
113 lines
3.1 KiB
C
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_ */
|