FreeBSD/Linux Kernel Cross Reference
sys/arm/include/pcb.h
1 /* $NetBSD: pcb.h,v 1.10 2003/10/13 21:46:39 scw 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 * $FreeBSD: src/sys/arm/include/pcb.h,v 1.5 2005/01/05 21:58:48 imp Exp $
36 */
37
38 #ifndef _MACHINE_PCB_H_
39 #define _MACHINE_PCB_H_
40
41 #include <machine/frame.h>
42 #include <machine/fp.h>
43
44
45 struct trapframe;
46
47 struct pcb_arm32 {
48 vm_offset_t pcb32_pagedir; /* PT hooks */
49 uint32_t *pcb32_pl1vec; /* PTR to vector_base L1 entry*/
50 uint32_t pcb32_l1vec; /* Value to stuff on ctx sw */
51 u_int pcb32_dacr; /* Domain Access Control Reg */
52 /*
53 * WARNING!
54 * cpuswitch.S relies on pcb32_r8 being quad-aligned in struct pcb
55 * (due to the use of "strd" when compiled for XSCALE)
56 */
57 u_int pcb32_r8; /* used */
58 u_int pcb32_r9; /* used */
59 u_int pcb32_r10; /* used */
60 u_int pcb32_r11; /* used */
61 u_int pcb32_r12; /* used */
62 u_int pcb32_sp; /* used */
63 u_int pcb32_lr;
64 u_int pcb32_pc;
65 u_int pcb32_und_sp;
66 };
67 #define pcb_pagedir un_32.pcb32_pagedir
68 #define pcb_pl1vec un_32.pcb32_pl1vec
69 #define pcb_l1vec un_32.pcb32_l1vec
70 #define pcb_dacr un_32.pcb32_dacr
71 #define pcb_cstate un_32.pcb32_cstate
72
73 /*
74 * WARNING!
75 * See warning for struct pcb_arm32, above, before changing struct pcb!
76 */
77 struct pcb {
78 u_int pcb_flags;
79 #define PCB_OWNFPU 0x00000001
80 #define PCB_NOALIGNFLT 0x00000002
81 caddr_t pcb_onfault; /* On fault handler */
82 struct pcb_arm32 un_32;
83 struct fpe_sp_state pcb_fpstate; /* Floating Point state */
84 };
85
86 /*
87 * No additional data for core dumps.
88 */
89 struct md_coredump {
90 int md_empty;
91 };
92
93 void makectx(struct trapframe *tf, struct pcb *pcb);
94
95 #ifdef _KERNEL
96
97 void savectx(struct pcb *);
98 #endif /* _KERNEL */
99
100 #endif /* !_MACHINE_PCB_H_ */
101 Cache object: e7d9bc31147f82c4c7ccd8543a0a2440
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