1/* $NetBSD: pcb.h,v 1.23 2021/10/27 18:20:23 christos Exp $ */
2
3/*-
4 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
5 * Copyright (C) 1995, 1996 TooLs GmbH.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by TooLs GmbH.
19 * 4. The name of TooLs GmbH may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33#ifndef _POWERPC_PCB_H_
34#define _POWERPC_PCB_H_
35
36#include <powerpc/reg.h>
37#include <powerpc/frame.h>
38
39struct faultbuf {
40 register_t fb_sp; /* R1 */
41 register_t fb_r2; /* R2 (why?) */
42 /*
43 * These are ordered so that one could use a stmw to save them.
44 */
45 register_t fb_msr; /* MSR */
46 register_t fb_pc; /* PC */
47 register_t fb_cr; /* CR */
48 register_t fb_fixreg[19]; /* R13-R31 */
49};
50
51struct pcb {
52 struct pmap *pcb_pm; /* pmap of our vmspace */
53 register_t pcb_sp; /* saved SP */
54 int pcb_flags;
55#define PCB_FE1 PSL_FE1 /* 0x100 */
56#define PCB_FE0 PSL_FE0 /* 0x800 */
57 struct faultbuf *pcb_onfault; /* For use during copyin/copyout */
58 vaddr_t pcb_kmapsr; /* where to map user segment in kernel */
59 vaddr_t pcb_umapsr; /* the user segment mapped in kernel */
60 struct fpreg pcb_fpu; /* Floating point processor */
61 struct vreg pcb_vr __attribute__((aligned(16)));
62 register_t pcb_usprg0; /* User Special-Purpose Register General 0 */
63};
64
65struct md_coredump {
66 struct trapframe frame;
67 struct fpreg fpstate;
68 struct vreg vstate;
69};
70
71#ifdef _KERNEL
72int setfault(struct faultbuf *);
73#endif
74
75#endif /* _POWERPC_PCB_H_ */