Subversion Repositories HelenOS

Rev

Rev 1702 | Rev 1787 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
630 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 
 
1703 jermar 29 
/** @addtogroup sparc64interrupt
1702 cejka 30 
 * @{
31 
 */
630 jermar 32 
/**
1703 jermar 33 
 * @file
34 
 * @brief This file contains register window trap handlers.
630 jermar 35 
 */
36 
 
37 
#ifndef __sparc64_REGWIN_H__
38 
#define __sparc64_REGWIN_H__
39 
 
40 
#include <arch/stack.h>
41 
 
42 
#define TT_CLEAN_WINDOW         0x24
43 
#define TT_SPILL_0_NORMAL       0x80
44 
#define TT_FILL_0_NORMAL        0xc0
45 
 
46 
#define REGWIN_HANDLER_SIZE     128
47 
 
48 
#define CLEAN_WINDOW_HANDLER_SIZE   REGWIN_HANDLER_SIZE
49 
#define SPILL_HANDLER_SIZE      REGWIN_HANDLER_SIZE
50 
#define FILL_HANDLER_SIZE       REGWIN_HANDLER_SIZE
51 
 
52 
/** Window Save Area offsets. */
53 
#define L0_OFFSET   0
54 
#define L1_OFFSET   8
55 
#define L2_OFFSET   16
56 
#define L3_OFFSET   24
57 
#define L4_OFFSET   32
58 
#define L5_OFFSET   40
59 
#define L6_OFFSET   48
60 
#define L7_OFFSET   56
61 
#define I0_OFFSET   64
62 
#define I1_OFFSET   72
63 
#define I2_OFFSET   80
64 
#define I3_OFFSET   88
65 
#define I4_OFFSET   96
66 
#define I5_OFFSET   104
67 
#define I6_OFFSET   112
68 
#define I7_OFFSET   120
69 
 
632 jermar 70 
#ifdef __ASM__
630 jermar 71 
.macro SPILL_NORMAL_HANDLER
72 
    stx %l0, [%sp + STACK_BIAS + L0_OFFSET]
73 
    stx %l1, [%sp + STACK_BIAS + L1_OFFSET]
74 
    stx %l2, [%sp + STACK_BIAS + L2_OFFSET]
75 
    stx %l3, [%sp + STACK_BIAS + L3_OFFSET]
76 
    stx %l4, [%sp + STACK_BIAS + L4_OFFSET]
77 
    stx %l5, [%sp + STACK_BIAS + L5_OFFSET]
78 
    stx %l6, [%sp + STACK_BIAS + L6_OFFSET]
79 
    stx %l7, [%sp + STACK_BIAS + L7_OFFSET]
80 
    stx %i0, [%sp + STACK_BIAS + I0_OFFSET]
81 
    stx %i1, [%sp + STACK_BIAS + I1_OFFSET]
82 
    stx %i2, [%sp + STACK_BIAS + I2_OFFSET]
83 
    stx %i3, [%sp + STACK_BIAS + I3_OFFSET]
84 
    stx %i4, [%sp + STACK_BIAS + I4_OFFSET]
85 
    stx %i5, [%sp + STACK_BIAS + I5_OFFSET]
86 
    stx %i6, [%sp + STACK_BIAS + I6_OFFSET]
87 
    stx %i7, [%sp + STACK_BIAS + I7_OFFSET]
88 
    saved
89 
    retry
90 
.endm
91 
 
92 
.macro FILL_NORMAL_HANDLER
93 
    ldx [%sp + STACK_BIAS + L0_OFFSET], %l0
94 
    ldx [%sp + STACK_BIAS + L1_OFFSET], %l1
95 
    ldx [%sp + STACK_BIAS + L2_OFFSET], %l2
96 
    ldx [%sp + STACK_BIAS + L3_OFFSET], %l3
97 
    ldx [%sp + STACK_BIAS + L4_OFFSET], %l4
98 
    ldx [%sp + STACK_BIAS + L5_OFFSET], %l5
99 
    ldx [%sp + STACK_BIAS + L6_OFFSET], %l6
100 
    ldx [%sp + STACK_BIAS + L7_OFFSET], %l7
101 
    ldx [%sp + STACK_BIAS + I0_OFFSET], %i0
102 
    ldx [%sp + STACK_BIAS + I1_OFFSET], %i1
103 
    ldx [%sp + STACK_BIAS + I2_OFFSET], %i2
104 
    ldx [%sp + STACK_BIAS + I3_OFFSET], %i3
105 
    ldx [%sp + STACK_BIAS + I4_OFFSET], %i4
106 
    ldx [%sp + STACK_BIAS + I5_OFFSET], %i5
107 
    ldx [%sp + STACK_BIAS + I6_OFFSET], %i6
108 
    ldx [%sp + STACK_BIAS + I7_OFFSET], %i7
109 
    restored
110 
    retry
111 
.endm
112 
 
113 
.macro CLEAN_WINDOW_HANDLER
114 
    rdpr %cleanwin, %l0
115 
    add %l0, 1, %l0
116 
    wrpr %l0, 0, %cleanwin
117 
    mov %r0, %l0
118 
    mov %r0, %l1
119 
    mov %r0, %l2
120 
    mov %r0, %l3
121 
    mov %r0, %l4
122 
    mov %r0, %l5
123 
    mov %r0, %l6
124 
    mov %r0, %l7
666 jermar 125 
    mov %r0, %o0
126 
    mov %r0, %o1
127 
    mov %r0, %o2
128 
    mov %r0, %o3
129 
    mov %r0, %o4
130 
    mov %r0, %o5
131 
    mov %r0, %o6
132 
    mov %r0, %o7
630 jermar 133 
    retry
134 
.endm
632 jermar 135 
#endif /* __ASM__ */
630 jermar 136 
 
137 
#endif
1702 cejka 138 
 
1703 jermar 139 
/** @}
1702 cejka 140 
 */
141