Subversion Repositories HelenOS-historic

Rev

Rev 94 | Rev 173 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
35 jermar 1 
/*
2 
 * Copyright (C) 2005 Jakub Jermar
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 
 *
9 
 * - Redistributions of source code must retain the above copyright
10 
 *   notice, this list of conditions and the following disclaimer.
11 
 * - Redistributions in binary form must reproduce the above copyright
12 
 *   notice, this list of conditions and the following disclaimer in the
13 
 *   documentation and/or other materials provided with the distribution.
14 
 * - The name of the author may not be used to endorse or promote products
15 
 *   derived from this software without specific prior written permission.
16 
 *
17 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 
 */
28 
 
29 
#ifndef __ia64_CONTEXT_H__
30 
#define __ia64_CONTEXT_H__
31 
 
32 
#include <arch/types.h>
33 
 
82 jermar 34 
/*
35 
 * context_save() and context_restore() are both leaf procedures.
36 
 * No need to allocate scratch area.
37 
 */
38 
#define SP_DELTA    0
81 jermar 39 
 
97 jermar 40 
#ifdef context_set
41 
#undef context_set
42 
#endif
43 
 
44 
#define context_set(c, _pc, stack, size)    \
45 
    (c)->pc = (__address) _pc;      \
46 
    (c)->bsp = (__address) stack;       \
47 
    (c)->sp = ((__address) stack) + (size) - SP_DELTA;
48 
 
35 jermar 49 
struct context {
83 jermar 50 
 
82 jermar 51 
    /*
94 jermar 52 
     * Application registers
53 
     */
54 
    __u64 ar_pfs;
55 
    __u64 ar_unat_caller;
56 
    __u64 ar_unat_callee;
57 
    __u64 ar_rsc;
97 jermar 58 
    __u64 bsp;  /* ar_bsp */
94 jermar 59 
    __u64 ar_rnat;
60 
    __u64 ar_lc;
61 
    __u64 ar_ec;
62 
    __u64 ar_ccv;
63 
    __u64 ar_csd;
64 
    __u64 ar_ssd;
65 
 
66 
    /*
82 jermar 67 
     * General registers
68 
     */
59 jermar 69 
    __u64 r1;
70 
    __u64 r2;
71 
    __u64 r3;
72 
    __u64 r4;
73 
    __u64 r5;
74 
    __u64 r6;
75 
    __u64 r7;
76 
    __u64 r8;
77 
    __u64 r9;
78 
    __u64 r10;
79 
    __u64 r11;
80 
    __u64 sp;       /* r12 */
81 
    __u64 r13;
82 
    __u64 r14;
83 
    __u64 r15;
84 
    __u64 r16;
85 
    __u64 r17;
86 
    __u64 r18;
87 
    __u64 r19;
88 
    __u64 r20;
89 
    __u64 r21;
90 
    __u64 r22;
91 
    __u64 r23;
92 
    __u64 r24;
93 
    __u64 r25;
94 
    __u64 r26;
95 
    __u64 r27;
96 
    __u64 r28;
97 
    __u64 r29;
98 
    __u64 r30;
99 
    __u64 r31;
82 jermar 100 
 
101 
    /*
102 
     * Branch registers
103 
     */
59 jermar 104 
    __u64 pc;       /* b0 */
82 jermar 105 
    __u64 b1;
106 
    __u64 b2;
107 
    __u64 b3;
108 
    __u64 b4;
109 
    __u64 b5;
110 
    __u64 b6;
111 
    __u64 b7;
112 
 
113 
    /*
114 
     * Predicate registers
115 
     */
116 
    __u64 pr;
117 
 
35 jermar 118 
    pri_t pri;
59 jermar 119 
} __attribute__ ((packed));
35 jermar 120 
 
121 
#endif