170 lines
4.6 KiB
C
170 lines
4.6 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_VM86_H_
|
|
#define _MACHINE_VM86_H_ 1
|
|
|
|
/* standard register representation */
|
|
typedef union {
|
|
u_int r_ex;
|
|
struct {
|
|
u_short r_x;
|
|
u_int :16;
|
|
} r_w;
|
|
struct {
|
|
u_char r_l;
|
|
u_char r_h;
|
|
u_int :16;
|
|
} r_b;
|
|
} reg86_t;
|
|
|
|
/* layout must match definition of struct trapframe_vm86 in <machine/frame.h> */
|
|
|
|
struct vm86frame {
|
|
int kernel_fs;
|
|
int kernel_es;
|
|
int 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 vmf_trapno;
|
|
int vmf_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_ah eax.r_b.r_h
|
|
#define vmf_al eax.r_b.r_l
|
|
#define vmf_ax eax.r_w.r_x
|
|
#define vmf_eax eax.r_ex
|
|
#define vmf_bh ebx.r_b.r_h
|
|
#define vmf_bl ebx.r_b.r_l
|
|
#define vmf_bx ebx.r_w.r_x
|
|
#define vmf_ebx ebx.r_ex
|
|
#define vmf_ch ecx.r_b.r_h
|
|
#define vmf_cl ecx.r_b.r_l
|
|
#define vmf_cx ecx.r_w.r_x
|
|
#define vmf_ecx ecx.r_ex
|
|
#define vmf_dh edx.r_b.r_h
|
|
#define vmf_dl edx.r_b.r_l
|
|
#define vmf_dx edx.r_w.r_x
|
|
#define vmf_edx edx.r_ex
|
|
#define vmf_si esi.r_w.r_x
|
|
#define vmf_di edi.r_w.r_x
|
|
#define vmf_cs cs.r_w.r_x
|
|
#define vmf_ds ds.r_w.r_x
|
|
#define vmf_es es.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
|
|
};
|
|
|
|
#define VM86_PMAPSIZE 3
|
|
#define VMAP_MALLOC 1 /* page was malloced by us */
|
|
|
|
struct vm86context {
|
|
int npages;
|
|
struct vm86pmap {
|
|
int flags;
|
|
int pte_num;
|
|
vm_offset_t kva;
|
|
u_int old_pte;
|
|
} pmap[VM86_PMAPSIZE];
|
|
};
|
|
|
|
#define VM_USERCHANGE (PSL_USERCHANGE | PSL_RF)
|
|
#define VME_USERCHANGE (VM_USERCHANGE | PSL_VIP | PSL_VIF)
|
|
|
|
struct vm86_kernel {
|
|
caddr_t vm86_intmap; /* interrupt map */
|
|
u_int vm86_eflags; /* emulated flags */
|
|
int vm86_has_vme; /* VME support */
|
|
int vm86_inited; /* we were initialized */
|
|
int vm86_debug;
|
|
caddr_t vm86_sproc; /* address of sproc */
|
|
};
|
|
|
|
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
|
|
#define VM86_INTCALL 4
|
|
|
|
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 */
|
|
};
|
|
|
|
struct vm86_intcall_args {
|
|
int intnum;
|
|
struct vm86frame vmf;
|
|
};
|
|
|
|
extern int in_vm86call;
|
|
extern int vm86paddr;
|
|
|
|
struct proc;
|
|
extern int vm86_emulate __P((struct vm86frame *));
|
|
extern int vm86_sysarch __P((struct proc *, char *));
|
|
extern void vm86_trap __P((struct vm86frame *));
|
|
extern int vm86_intcall __P((int, struct vm86frame *));
|
|
extern int vm86_datacall __P((int, struct vm86frame *, struct vm86context *));
|
|
extern void vm86_initialize __P((void));
|
|
extern vm_offset_t vm86_getpage __P((struct vm86context *, int));
|
|
extern vm_offset_t vm86_addpage __P((struct vm86context *, int, vm_offset_t));
|
|
extern int vm86_getptr __P((struct vm86context *, vm_offset_t,
|
|
u_short *, u_short *));
|
|
|
|
extern vm_offset_t vm86_getaddr __P((struct vm86context *, u_short, u_short));
|
|
|
|
#endif /* _MACHINE_VM86_H_ */
|