1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 Jake Burkholder. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: stable/12/sys/sparc64/include/frame.h 326262 2017-11-27 15:10:39Z pfg $ 29 */ 30 31 #ifndef _MACHINE_FRAME_H_ 32 #define _MACHINE_FRAME_H_ 33 34 #define RW_SHIFT 7 35 #define SPOFF 2047 36 #define BIAS SPOFF /* XXX - open/netbsd compat */ 37 38 #ifndef LOCORE 39 40 /* 41 * NOTE: keep this structure in sync with struct reg and struct mcontext. 42 */ 43 struct trapframe { 44 uint64_t tf_global[8]; 45 uint64_t tf_out[8]; 46 uint64_t tf_fprs; 47 uint64_t tf_fsr; 48 uint64_t tf_gsr; 49 uint64_t tf_level; 50 uint64_t tf_pil; 51 uint64_t tf_sfar; 52 uint64_t tf_sfsr; 53 uint64_t tf_tar; 54 uint64_t tf_tnpc; 55 uint64_t tf_tpc; 56 uint64_t tf_tstate; 57 uint64_t tf_type; 58 uint64_t tf_y; 59 uint64_t tf_wstate; 60 uint64_t tf_pad[2]; 61 }; 62 #define tf_sp tf_out[6] 63 64 #define TF_DONE(tf) do { \ 65 tf->tf_tpc = tf->tf_tnpc; \ 66 tf->tf_tnpc += 4; \ 67 } while (0) 68 69 struct frame { 70 u_long fr_local[8]; 71 u_long fr_in[8]; 72 u_long fr_pad[8]; 73 }; 74 #define fr_arg fr_in 75 #define fr_fp fr_in[6] 76 #define fr_pc fr_in[7] 77 78 #define v9next_frame(fp) ((struct frame *)(fp->fr_fp + BIAS)) 79 80 /* 81 * Frame used for pcb_rw. 82 */ 83 struct rwindow { 84 u_long rw_local[8]; 85 u_long rw_in[8]; 86 }; 87 88 struct thread; 89 90 int rwindow_save(struct thread *td); 91 int rwindow_load(struct thread *td, struct trapframe *tf, int n); 92 93 #endif /* !LOCORE */ 94 95 #endif /* !_MACHINE_FRAME_H_ */ 96