1/* $NetBSD: frame.h,v 1.3 2005/12/11 12:16:04 christos Exp $ */ 2 3/* 4 * Copyright (c) 1999 Ben Harris. 5 * Copyright (c) 1994-1997 Mark Brinicombe. 6 * Copyright (c) 1994 Brini. 7 * All rights reserved. 8 * 9 * This code is derived from software written for Brini by Mark Brinicombe 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by Brini. 22 * 4. The name of the company nor the name of the author may be used to 23 * endorse or promote products derived from this software without specific 24 * prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 28 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 30 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38/* 39 * frame.h - Stack frames structures 40 */ 41 42#ifndef _ARM26_FRAME_H_ 43#define _ARM26_FRAME_H_ 44 45#include <arm/frame.h> 46 47#ifndef _LOCORE 48 49#include <arm/armreg.h> 50 51/* 52 * System stack frames. 53 */ 54 55/* 56 * irqframes just contain registers that APCS specifies the callee 57 * need not preserve. 58 */ 59typedef struct irqframe { 60 union { 61 struct { 62 register_t if_r0; 63 register_t if_r1; 64 register_t if_r2; 65 register_t if_r3; 66 register_t if_r12; 67 register_t if_r14; 68 } svc; 69 struct { 70 register_t if_r0; 71 register_t if_r1; 72 register_t if_r2; 73 register_t if_r3; 74 register_t if_r11; 75 register_t if_r12; 76 } usr; 77 } if_mode; 78 register_t if_r15; /* Must be fixed so we know which branch to use */ 79} irqframe_t; 80 81struct clockframe { 82 struct irqframe cf_if; 83}; 84 85/* 86 * Switch frame 87 */ 88 89struct switchframe { 90 register_t sf_r4; /* Callee-saved registers */ 91 register_t sf_r5; 92 register_t sf_r6; 93 register_t sf_r7; 94 register_t sf_r8; 95 register_t sf_r9; 96 register_t sf_r10; 97 register_t sf_r11; /* Frame pointer */ 98 register_t sf_r13; /* Stack pointer */ 99 register_t sf_pc; /* Return address */ 100}; 101 102/* 103 * Floating-point frame. Stores the state of the FPU. 104 */ 105 106struct fpframe { 107 register_t ff_fpsr; 108 register_t ff_regs[8*3]; 109}; 110 111#endif /* _LOCORE */ 112 113#endif /* _ARM26_FRAME_H_ */ 114 115/* End of frame.h */ 116