2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2001 Jake Burkholder.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 #ifndef _MACHINE_FRAME_H_
32 #define _MACHINE_FRAME_H_
36 #define BIAS SPOFF /* XXX - open/netbsd compat */
41 * NOTE: keep this structure in sync with struct reg and struct mcontext.
44 uint64_t tf_global[8];
62 #define tf_sp tf_out[6]
64 #define TF_DONE(tf) do { \
65 tf->tf_tpc = tf->tf_tnpc; \
75 #define fr_fp fr_in[6]
76 #define fr_pc fr_in[7]
78 #define v9next_frame(fp) ((struct frame *)(fp->fr_fp + BIAS))
81 * Frame used for pcb_rw.
90 int rwindow_save(struct thread *td);
91 int rwindow_load(struct thread *td, struct trapframe *tf, int n);
95 #endif /* !_MACHINE_FRAME_H_ */