1/* pcb.h,v 1.14.22.2 2007/11/06 23:15:05 matt Exp */
2
3/*
4 * Copyright (c) 2001 Matt Thomas <matt@3am-software.com>.
5 * Copyright (c) 1994 Mark Brinicombe.
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 the RiscBSD team.
19 * 4. The name "RiscBSD" nor the name of the author may be used to
20 * endorse or promote products derived from this software without specific
21 * prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY RISCBSD ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL RISCBSD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#ifndef _ARM_PCB_H_
37#define _ARM_PCB_H_
38
39#include <machine/frame.h>
40
41#include <arm/arm32/pte.h>
42#include <arm/reg.h>
43
44struct pcb_faultinfo {
45 void *pfi_faultptep;
46 vaddr_t pfi_faultaddr;
47 u_int pfi_repeats;
48 pid_t pfi_lastpid;
49 uint8_t pfi_faulttype;
50};
51
52#define pcb_ksp pcb_sp
53
54struct pcb {
55 /*
56 * WARNING!
57 * cpuswitchto.S relies on pcb_r8 being quad-aligned
58 * (due to the use of "strd" when compiled for XSCALE)
59 */
60 u_int pcb_r8 __aligned(8); /* used */
61 u_int pcb_r9; /* used */
62 u_int pcb_r10; /* used */
63 u_int pcb_r11; /* used */
64 u_int pcb_r12; /* used */
65 u_int pcb_sp; /* used */
66 u_int pcb_lr;
67 u_int pcb_pc;
68
69 /*
70 * ARMv6 has two user thread/process id registers which can hold
71 * any 32bit quanttiies.
72 */
73 u_int pcb_user_pid_rw; /* p15, 0, Rd, c13, c0, 2 */
74 u_int pcb_user_pid_ro; /* p15, 0, Rd, c13, c0, 3 */
75
76 void * pcb_onfault; /* On fault handler */
77 struct vfpreg pcb_vfp; /* VFP registers */
78 struct vfpreg pcb_kernel_vfp; /* kernel VFP state */
79 struct pcb_faultinfo pcb_faultinfo;
80};
81
82/*
83 * No additional data for core dumps.
84 */
85struct md_coredump {
86 int md_empty;
87};
88
89#endif /* _ARM_PCB_H_ */