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