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: releng/8.2/sys/sparc64/include/pcb.h 200443 2009-12-12 20:06:25Z kib $
27 */
28
29 #ifndef _MACHINE_PCB_H_
30 #define _MACHINE_PCB_H_
31
32 #ifndef LOCORE
33 #include <machine/frame.h>
34 #endif
35
36 #define MAXWIN 8
37
38 #define PCB_FEF (1 << 0)
39
40 #ifndef LOCORE
41
42 /* NOTE: pcb_ufp must be aligned on a 64 byte boundary. */
43 struct pcb {
44 struct rwindow pcb_rw[MAXWIN];
45 uint32_t pcb_kfp[64];
46 uint32_t pcb_ufp[64];
47 uint64_t pcb_rwsp[MAXWIN];
48 uint64_t pcb_flags;
49 uint64_t pcb_nsaved;
50 uint64_t pcb_pc;
51 uint64_t pcb_sp;
52 uint64_t pcb_tpc;
53 uint64_t pcb_pad[3];
54 } __aligned(64);
55
56 #ifdef _KERNEL
57 void makectx(struct trapframe *tf, struct pcb *pcb);
58 int savectx(struct pcb *pcb);
59 #endif
60
61 #endif /* !LOCORE */
62
63 #endif /* !_MACHINE_PCB_H_ */
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