1 /* $NetBSD: frame.h,v 1.6 2023/06/23 12:11:22 skrll 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 _RISCV_FRAME_H_ 33 #define _RISCV_FRAME_H_ 34 35 #include <riscv/reg.h> 36 37 struct trapframe { 38 struct reg tf_regs; 39 register_t tf_tval; // supervisor trap value 40 register_t tf_cause; // supervisor cause register 41 register_t tf_sr; // supervisor status register 42 register_t tf_pad; // For 16-byte alignment 43 #define tf_reg tf_regs.r_reg 44 #define tf_pc tf_regs.r_pc 45 #define tf_ra tf_reg[_X_RA] 46 #define tf_sp tf_reg[_X_SP] 47 #define tf_gp tf_reg[_X_GP] 48 #define tf_tp tf_reg[_X_TP] 49 #define tf_t0 tf_reg[_X_T0] 50 #define tf_t1 tf_reg[_X_T1] 51 #define tf_t2 tf_reg[_X_T2] 52 #define tf_s0 tf_reg[_X_S0] 53 #define tf_s1 tf_reg[_X_S1] 54 #define tf_a0 tf_reg[_X_A0] 55 #define tf_a1 tf_reg[_X_A1] 56 #define tf_a2 tf_reg[_X_A2] 57 #define tf_a3 tf_reg[_X_A3] 58 #define tf_a4 tf_reg[_X_A4] 59 #define tf_a5 tf_reg[_X_A5] 60 #define tf_a6 tf_reg[_X_A6] 61 #define tf_a7 tf_reg[_X_A7] 62 #define tf_s2 tf_reg[_X_S2] 63 #define tf_s3 tf_reg[_X_S3] 64 #define tf_s4 tf_reg[_X_S4] 65 #define tf_s5 tf_reg[_X_S5] 66 #define tf_s6 tf_reg[_X_S6] 67 #define tf_s7 tf_reg[_X_S7] 68 #define tf_s8 tf_reg[_X_S8] 69 #define tf_s9 tf_reg[_X_S9] 70 #define tf_s10 tf_reg[_X_S10] 71 #define tf_s11 tf_reg[_X_S11] 72 #define tf_t3 tf_reg[_X_T3] 73 #define tf_t4 tf_reg[_X_T4] 74 #define tf_t5 tf_reg[_X_T5] 75 #define tf_t6 tf_reg[_X_T6] 76 }; 77 78 /* 79 * Ensure the trapframe is a multiple of 16bytes so that stack 80 * alignment is preserved. 81 */ 82 __CTASSERT((sizeof(struct trapframe) & (16 - 1)) == 0); 83 84 #ifdef _LP64 85 // For COMPAT_NETBSD32 coredumps 86 struct trapframe32 { 87 struct reg32 tf_regs; 88 register32_t tf_tval; 89 register32_t tf_cause; 90 register32_t tf_sr; 91 register32_t tf_pad; 92 }; 93 #endif 94 95 96 #define lwp_trapframe(l) ((l)->l_md.md_utf) 97 98 99 #endif /* _RISCV_FRAME_H_ */ 100