NetBSD/sys/arch/arm26/include/frame.h

114 lines
3.1 KiB
C

/* $NetBSD: frame.h,v 1.7 2001/08/31 04:44:55 simonb Exp $ */
/*
* Copyright (c) 1999 Ben Harris.
* Copyright (c) 1994-1997 Mark Brinicombe.
* Copyright (c) 1994 Brini.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* 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 Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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.
*/
/*
* frame.h - Stack frames structures
*/
#ifndef _ARM26_FRAME_H_
#define _ARM26_FRAME_H_
#include <arm/frame.h>
#ifndef _LOCORE
#include <arm/armreg.h>
/*
* System stack frames.
*/
/*
* irqframes just contain registers that APCS specifies the callee
* need not preserve.
*/
typedef struct irqframe {
union {
struct {
register_t if_r0;
register_t if_r1;
register_t if_r2;
register_t if_r3;
register_t if_r12;
register_t if_r14;
} svc;
struct {
register_t if_r0;
register_t if_r1;
register_t if_r2;
register_t if_r3;
register_t if_r11;
register_t if_r12;
} usr;
} if_mode;
register_t if_r15; /* Must be fixed so we know which branch to use */
} irqframe_t;
#define clockframe irqframe
/*
* Switch frame
*/
struct switchframe {
register_t sf_r4; /* Callee-saved registers */
register_t sf_r5;
register_t sf_r6;
register_t sf_r7;
register_t sf_r8;
register_t sf_r9;
register_t sf_r10;
register_t sf_r11; /* Frame pointer */
register_t sf_r13; /* Stack pointer */
register_t sf_r14; /* Return address */
};
/*
* Floating-point frame. Stores the state of the FPU.
*/
struct fpframe {
register_t ff_fpsr;
register_t ff_regs[8*3];
};
#endif /* _LOCORE */
#endif /* _ARM26_FRAME_H_ */
/* End of frame.h */