Home | History | Annotate | Line # | Download | only in include
frame.h revision 1.3.6.5 
      1 /*	$NetBSD: frame.h,v 1.3.6.5 2002/08/01 02:41:16 nathanw Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994-1997 Mark Brinicombe.
      5  * Copyright (c) 1994 Brini.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software written for Brini by Mark Brinicombe
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by Brini.
     21  * 4. The name of the company nor the name of the author may be used to
     22  *    endorse or promote products derived from this software without specific
     23  *    prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
     26  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     27  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     28  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  * SUCH DAMAGE.
     36  */
     37 /*
     38  * arm/frame.h - Stack frames structures common to arm26 and arm32
     39  */
     40 
     41 #ifndef _ARM_FRAME_H_
     42 #define _ARM_FRAME_H_
     43 
     44 #ifndef _LOCORE
     45 
     46 #include <sys/signal.h>
     47 #include <sys/sa.h>
     48 
     49 /*
     50  * Trap frame.  Pushed onto the kernel stack on a trap (synchronous exception).
     51  */
     52 
     53 typedef struct trapframe {
     54 	register_t tf_spsr; /* Zero on arm26 */
     55 	register_t tf_r0;
     56 	register_t tf_r1;
     57 	register_t tf_r2;
     58 	register_t tf_r3;
     59 	register_t tf_r4;
     60 	register_t tf_r5;
     61 	register_t tf_r6;
     62 	register_t tf_r7;
     63 	register_t tf_r8;
     64 	register_t tf_r9;
     65 	register_t tf_r10;
     66 	register_t tf_r11;
     67 	register_t tf_r12;
     68 	register_t tf_usr_sp;
     69 	register_t tf_usr_lr;
     70 	register_t tf_svc_sp; /* Not used on arm26 */
     71 	register_t tf_svc_lr; /* Not used on arm26 */
     72 	register_t tf_pc;
     73 } trapframe_t;
     74 
     75 /* Register numbers */
     76 #define tf_r13 tf_usr_sp
     77 #define tf_r14 tf_usr_lr
     78 #define tf_r15 tf_pc
     79 
     80 /*
     81  * Signal frame.  Pushed onto user stack before calling sigcode.
     82  */
     83 
     84 struct sigframe {
     85 	struct	sigcontext sf_sc;
     86 };
     87 
     88 /*
     89  * Scheduler activations upcall frame.  Pushed onto user stack before
     90  * calling an SA upcall.
     91  */
     92 
     93 struct saframe {
     94 #if 0 /* in registers on entry to upcall */
     95 	int		sa_type;
     96 	struct sa_t **	sa_sas;
     97 	int		sa_events;
     98 	int		sa_interrupted;
     99 #endif
    100 	void *		sa_arg;
    101 };
    102 
    103 #endif /* _LOCORE */
    104 
    105 #endif /* _ARM_FRAME_H_ */
    106 
    107 /* End of frame.h */
    108