Annotation of sys/arch/hppa/include/pcb.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: pcb.h,v 1.11 2007/07/29 20:15:56 kettenis Exp $ */
2:
3: /*
4: * Copyright (c) 1999-2004 Michael Shalayeff
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
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.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26: * THE POSSIBILITY OF SUCH DAMAGE.
27: */
28:
29:
30: #ifndef _MACHINE_PCB_H_
31: #define _MACHINE_PCB_H_
32:
33: #include <machine/reg.h>
34:
35: struct pcb {
36: u_int64_t pcb_fpregs[HPPA_NFPREGS+1]; /* not in the trapframe */
37: vaddr_t pcb_uva; /* KVA for U-area */
38:
39: /*
40: * The members above are primarily accessed by there physical
41: * address, wheras the members below are accessed exclusively
42: * by there virtual address. Unfortunately this structure
43: * ends up being non-equivalently mapped, which will cause
44: * data corruption if those members share a cache line. Since
45: * the maximum cache line size is 64 bytes, adding 64 bytes of
46: * padding makes sure that will never happen.
47: */
48: u_char pcb_pad[64];
49:
50: u_int pcb_ksp; /* kernel sp for ctxsw */
51: u_int pcb_onfault; /* SW copy fault handler */
52: pa_space_t pcb_space; /* copy pmap_space, for asm's sake */
53:
54: /* things used for hpux emulation */
55: void *pcb_sigreturn;
56: u_int pcb_srcookie;
57: u_int pcb_sclen;
58: };
59:
60: struct md_coredump {
61: struct reg md_reg;
62: struct fpreg md_fpreg;
63: };
64:
65:
66: #endif /* _MACHINE_PCB_H_ */
CVSweb