[dragonfly.git] / sys / cpu / i386 / include / frame.h

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * William Jolitz.
 *
 * 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.
 *
 *	from: @(#)frame.h	5.2 (Berkeley) 1/18/91
 * $FreeBSD: src/sys/i386/include/frame.h,v 1.20 1999/09/29 15:06:22 marcel Exp $
 * $DragonFly: src/sys/cpu/i386/include/frame.h,v 1.3 2003/08/26 21:42:18 rob Exp $
 */

#ifndef _MACHINE_FRAME_H_
#define _MACHINE_FRAME_H_ 1

/*
 * System stack frames.
 */

/*
 * Exception/Trap Stack Frame
 */

struct trapframe {
	int	tf_fs;
	int	tf_es;
	int	tf_ds;
	int	tf_edi;
	int	tf_esi;
	int	tf_ebp;
	int	tf_isp;
	int	tf_ebx;
	int	tf_edx;
	int	tf_ecx;
	int	tf_eax;
	int	tf_trapno;
	/* below portion defined in 386 hardware */
	int	tf_err;
	int	tf_eip;
	int	tf_cs;
	int	tf_eflags;
	/* below only when crossing rings (e.g. user to kernel) */
	int	tf_esp;
	int	tf_ss;
};

/* Superset of trap frame, for traps from virtual-8086 mode */

struct trapframe_vm86 {
	int	tf_fs;
	int	tf_es;
	int	tf_ds;
	int	tf_edi;
	int	tf_esi;
	int	tf_ebp;
	int	tf_isp;
	int	tf_ebx;
	int	tf_edx;
	int	tf_ecx;
	int	tf_eax;
	int	tf_trapno;
	/* below portion defined in 386 hardware */
	int	tf_err;
	int	tf_eip;
	int	tf_cs;
	int	tf_eflags;
	/* below only when crossing rings (e.g. user to kernel) */
	int	tf_esp;
	int	tf_ss;
	/* below only when switching out of VM86 mode */
	int	tf_vm86_es;
	int	tf_vm86_ds;
	int	tf_vm86_fs;
	int	tf_vm86_gs;
};

/* Interrupt stack frame */

struct intrframe {
	int	if_vec;
	int	if_ppl;
	int	if_fs;
	int	if_es;
	int	if_ds;
	int	if_edi;
	int	if_esi;
	int	if_ebp;
	int	:32;
	int	if_ebx;
	int	if_edx;
	int	if_ecx;
	int	if_eax;
	int	:32;		/* for compat with trap frame - trapno */
	int	:32;		/* for compat with trap frame - err */
	/* below portion defined in 386 hardware */
	int	if_eip;
	int	if_cs;
	int	if_eflags;
	/* below only when crossing rings (e.g. user to kernel) */
	int	if_esp;
	int	if_ss;
};

/* frame of clock (same as interrupt frame) */

struct clockframe {
	int	cf_vec;
	int	cf_ppl;
	int	cf_fs;
	int	cf_es;
	int	cf_ds;
	int	cf_edi;
	int	cf_esi;
	int	cf_ebp;
	int	:32;
	int	cf_ebx;
	int	cf_edx;
	int	cf_ecx;
	int	cf_eax;
	int	:32;		/* for compat with trap frame - trapno */
	int	:32;		/* for compat with trap frame - err */
	/* below portion defined in 386 hardware */
	int	cf_eip;
	int	cf_cs;
	int	cf_eflags;
	/* below only when crossing rings (e.g. user to kernel) */
	int	cf_esp;
	int	cf_ss;
};

int	kdb_trap (int, int, struct trapframe *);
extern  int (*pmath_emulate) (struct trapframe *);

#define	INTR_TO_TRAPFRAME(frame) ((struct trapframe *)&(frame)->if_fs)

#endif /* _MACHINE_FRAME_H_ */
Commit	Line	Data
984263bc MD	1	/*-
	2	* Copyright (c) 1990 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* This code is derived from software contributed to Berkeley by
	6	* William Jolitz.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
	16	* 3. All advertising materials mentioning features or use of this software
	17	* must display the following acknowledgement:
	18	* This product includes software developed by the University of
	19	* California, Berkeley and its contributors.
	20	* 4. Neither the name of the University nor the names of its contributors
	21	* may be used to endorse or promote products derived from this software
	22	* without specific prior written permission.
	23	*
	24	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	25	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	26	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	27	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	28	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	29	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	30	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	31	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	32	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	33	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	34	* SUCH DAMAGE.
	35	*
	36	* from: @(#)frame.h 5.2 (Berkeley) 1/18/91
	37	* $FreeBSD: src/sys/i386/include/frame.h,v 1.20 1999/09/29 15:06:22 marcel Exp $
3ae0cd58	38	* $DragonFly: src/sys/cpu/i386/include/frame.h,v 1.3 2003/08/26 21:42:18 rob Exp $
984263bc MD	39	*/
	40
	41	#ifndef _MACHINE_FRAME_H_
	42	#define _MACHINE_FRAME_H_ 1
	43
	44	/*
	45	* System stack frames.
	46	*/
	47
	48	/*
	49	* Exception/Trap Stack Frame
	50	*/
	51
	52	struct trapframe {
	53	int tf_fs;
	54	int tf_es;
	55	int tf_ds;
	56	int tf_edi;
	57	int tf_esi;
	58	int tf_ebp;
	59	int tf_isp;
	60	int tf_ebx;
	61	int tf_edx;
	62	int tf_ecx;
	63	int tf_eax;
	64	int tf_trapno;
	65	/* below portion defined in 386 hardware */
	66	int tf_err;
	67	int tf_eip;
	68	int tf_cs;
	69	int tf_eflags;
	70	/* below only when crossing rings (e.g. user to kernel) */
	71	int tf_esp;
	72	int tf_ss;
	73	};
	74
	75	/* Superset of trap frame, for traps from virtual-8086 mode */
	76
	77	struct trapframe_vm86 {
	78	int tf_fs;
	79	int tf_es;
	80	int tf_ds;
	81	int tf_edi;
	82	int tf_esi;
	83	int tf_ebp;
	84	int tf_isp;
	85	int tf_ebx;
	86	int tf_edx;
	87	int tf_ecx;
	88	int tf_eax;
	89	int tf_trapno;
	90	/* below portion defined in 386 hardware */
	91	int tf_err;
	92	int tf_eip;
	93	int tf_cs;
	94	int tf_eflags;
	95	/* below only when crossing rings (e.g. user to kernel) */
	96	int tf_esp;
	97	int tf_ss;
	98	/* below only when switching out of VM86 mode */
	99	int tf_vm86_es;
	100	int tf_vm86_ds;
	101	int tf_vm86_fs;
	102	int tf_vm86_gs;
103	};
104
105	/* Interrupt stack frame */
106
107	struct intrframe {
108	int if_vec;
109	int if_ppl;
110	int if_fs;
111	int if_es;
112	int if_ds;
113	int if_edi;
114	int if_esi;
115	int if_ebp;
116	int :32;
117	int if_ebx;
118	int if_edx;
119	int if_ecx;
120	int if_eax;
121	int :32; /* for compat with trap frame - trapno */
122	int :32; /* for compat with trap frame - err */
123	/* below portion defined in 386 hardware */
124	int if_eip;
125	int if_cs;
126	int if_eflags;
127	/* below only when crossing rings (e.g. user to kernel) */
128	int if_esp;
129	int if_ss;
130	};
131
132	/* frame of clock (same as interrupt frame) */
133
134	struct clockframe {
135	int cf_vec;
136	int cf_ppl;
137	int cf_fs;
138	int cf_es;
139	int cf_ds;
140	int cf_edi;
141	int cf_esi;
142	int cf_ebp;
143	int :32;
144	int cf_ebx;
145	int cf_edx;
146	int cf_ecx;
147	int cf_eax;
148	int :32; /* for compat with trap frame - trapno */
149	int :32; /* for compat with trap frame - err */
150	/* below portion defined in 386 hardware */
151	int cf_eip;
152	int cf_cs;
153	int cf_eflags;
154	/* below only when crossing rings (e.g. user to kernel) */
155	int cf_esp;
156	int cf_ss;
157	};
158
3ae0cd58 RG	159	int kdb_trap (int, int, struct trapframe *);
3ae0cd58 RG	160	extern int (pmath_emulate) (struct trapframe );
984263bc MD	161
	162	#define INTR_TO_TRAPFRAME(frame) ((struct trapframe *)&(frame)->if_fs)
	163
	164	#endif /* _MACHINE_FRAME_H_ */