1 /* $NetBSD: frame.h,v 1.5 2020/08/06 06:49:55 ryo Exp $ */ 2 3 /*- 4 * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas of 3am Software Foundry. 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _AARCH64_FRAME_H_ 33 #define _AARCH64_FRAME_H_ 34 35 #ifdef __aarch64__ 36 37 #include <aarch64/reg.h> 38 39 struct trapframe { 40 struct reg tf_regs __aligned(16); 41 uint64_t tf_esr; // 32-bit register 42 uint64_t tf_far; // 64-bit register 43 #define tf_reg tf_regs.r_reg 44 #define tf_lr tf_regs.r_reg[30] 45 #define tf_pc tf_regs.r_pc 46 #define tf_sp tf_regs.r_sp 47 #define tf_spsr tf_regs.r_spsr 48 }; 49 50 #ifdef _KERNEL 51 /* size of trapframe (stack pointer) must be 16byte aligned */ 52 __CTASSERT((sizeof(struct trapframe) & 15) == 0); 53 #endif 54 55 #define TF_SIZE sizeof(struct trapframe) 56 57 #define FB_X19 0 58 #define FB_X20 1 59 #define FB_X21 2 60 #define FB_X22 3 61 #define FB_X23 4 62 #define FB_X24 5 63 #define FB_X25 6 64 #define FB_X26 7 65 #define FB_X27 8 66 #define FB_X28 9 67 #define FB_X29 10 68 #define FB_LR 11 69 #define FB_SP 12 70 #define FB_MAX 13 71 struct faultbuf { 72 register_t fb_reg[FB_MAX]; 73 }; 74 75 #define lwp_trapframe(l) ((l)->l_md.md_utf) 76 77 #elif defined(__arm__) 78 79 #include <arm/frame.h> 80 81 #endif /* __aarch64__/__arm__ */ 82 83 #endif /* _AARCH64_FRAME_H_ */ 84