Subversion Repositories HelenOS

Rev

Rev 2927 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
630 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
630 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
 
1860 jermar 37
#ifndef KERN_sparc64_REGWIN_H_
38
#define KERN_sparc64_REGWIN_H_
630 jermar 39
 
40
#include <arch/stack.h>
1852 jermar 41
#include <arch/arch.h>
3535 svoboda 42
#include <align.h>
630 jermar 43
 
44
#define TT_CLEAN_WINDOW         0x24
1856 jermar 45
#define TT_SPILL_0_NORMAL       0x80    /* kernel spills */
46
#define TT_SPILL_1_NORMAL       0x84    /* userspace spills */
47
#define TT_SPILL_2_NORMAL       0x88    /* spills to userspace window buffer */
48
#define TT_SPILL_0_OTHER        0xa0    /* spills to userspace window buffer */
49
#define TT_FILL_0_NORMAL        0xc0    /* kernel fills */
50
#define TT_FILL_1_NORMAL        0xc4    /* userspace fills */
630 jermar 51
 
52
#define REGWIN_HANDLER_SIZE     128
53
 
54
#define CLEAN_WINDOW_HANDLER_SIZE   REGWIN_HANDLER_SIZE
55
#define SPILL_HANDLER_SIZE      REGWIN_HANDLER_SIZE
56
#define FILL_HANDLER_SIZE       REGWIN_HANDLER_SIZE
57
 
1852 jermar 58
/* Window Save Area offsets. */
630 jermar 59
#define L0_OFFSET   0
60
#define L1_OFFSET   8
61
#define L2_OFFSET   16
62
#define L3_OFFSET   24
63
#define L4_OFFSET   32
64
#define L5_OFFSET   40
65
#define L6_OFFSET   48
66
#define L7_OFFSET   56
67
#define I0_OFFSET   64
68
#define I1_OFFSET   72
69
#define I2_OFFSET   80
70
#define I3_OFFSET   88
71
#define I4_OFFSET   96
72
#define I5_OFFSET   104
73
#define I6_OFFSET   112
74
#define I7_OFFSET   120
75
 
3535 svoboda 76
/* Uspace Window Buffer constants. */
77
#define UWB_SIZE    ((NWINDOWS - 1) * STACK_WINDOW_SAVE_AREA_SIZE)
78
#define UWB_ALIGNMENT   1024
79
#define UWB_ASIZE   ALIGN_UP(UWB_SIZE, UWB_ALIGNMENT)
80
 
632 jermar 81
#ifdef __ASM__
1852 jermar 82
 
83
/*
84
 * Macro used by the nucleus and the primary context 0 during normal and other spills.
85
 */
86
.macro SPILL_NORMAL_HANDLER_KERNEL
630 jermar 87
    stx %l0, [%sp + STACK_BIAS + L0_OFFSET]
88
    stx %l1, [%sp + STACK_BIAS + L1_OFFSET]
89
    stx %l2, [%sp + STACK_BIAS + L2_OFFSET]
90
    stx %l3, [%sp + STACK_BIAS + L3_OFFSET]
91
    stx %l4, [%sp + STACK_BIAS + L4_OFFSET]
92
    stx %l5, [%sp + STACK_BIAS + L5_OFFSET]
93
    stx %l6, [%sp + STACK_BIAS + L6_OFFSET]
94
    stx %l7, [%sp + STACK_BIAS + L7_OFFSET]
95
    stx %i0, [%sp + STACK_BIAS + I0_OFFSET]
96
    stx %i1, [%sp + STACK_BIAS + I1_OFFSET]
97
    stx %i2, [%sp + STACK_BIAS + I2_OFFSET]
98
    stx %i3, [%sp + STACK_BIAS + I3_OFFSET]
99
    stx %i4, [%sp + STACK_BIAS + I4_OFFSET]
100
    stx %i5, [%sp + STACK_BIAS + I5_OFFSET]
101
    stx %i6, [%sp + STACK_BIAS + I6_OFFSET]
102
    stx %i7, [%sp + STACK_BIAS + I7_OFFSET]
103
    saved
104
    retry
105
.endm
106
 
1852 jermar 107
/*
108
 * Macro used by the userspace during normal spills.
109
 */
110
.macro SPILL_NORMAL_HANDLER_USERSPACE
1856 jermar 111
    wr %g0, ASI_AIUP, %asi
1852 jermar 112
    stxa %l0, [%sp + STACK_BIAS + L0_OFFSET] %asi
113
    stxa %l1, [%sp + STACK_BIAS + L1_OFFSET] %asi
114
    stxa %l2, [%sp + STACK_BIAS + L2_OFFSET] %asi
115
    stxa %l3, [%sp + STACK_BIAS + L3_OFFSET] %asi
116
    stxa %l4, [%sp + STACK_BIAS + L4_OFFSET] %asi
117
    stxa %l5, [%sp + STACK_BIAS + L5_OFFSET] %asi
118
    stxa %l6, [%sp + STACK_BIAS + L6_OFFSET] %asi
119
    stxa %l7, [%sp + STACK_BIAS + L7_OFFSET] %asi
120
    stxa %i0, [%sp + STACK_BIAS + I0_OFFSET] %asi
121
    stxa %i1, [%sp + STACK_BIAS + I1_OFFSET] %asi
122
    stxa %i2, [%sp + STACK_BIAS + I2_OFFSET] %asi
123
    stxa %i3, [%sp + STACK_BIAS + I3_OFFSET] %asi
124
    stxa %i4, [%sp + STACK_BIAS + I4_OFFSET] %asi
125
    stxa %i5, [%sp + STACK_BIAS + I5_OFFSET] %asi
126
    stxa %i6, [%sp + STACK_BIAS + I6_OFFSET] %asi
127
    stxa %i7, [%sp + STACK_BIAS + I7_OFFSET] %asi
128
    saved
129
    retry
130
.endm
131
 
132
/*
1856 jermar 133
 * Macro used to spill userspace window to userspace window buffer.
134
 * It can be either triggered from preemptible_handler doing SAVE
135
 * at (TL=1) or from normal kernel code doing SAVE when OTHERWIN>0
136
 * at (TL=0).
1852 jermar 137
 */
1856 jermar 138
.macro SPILL_TO_USPACE_WINDOW_BUFFER
139
    stx %l0, [%g7 + L0_OFFSET] 
140
    stx %l1, [%g7 + L1_OFFSET]
141
    stx %l2, [%g7 + L2_OFFSET]
142
    stx %l3, [%g7 + L3_OFFSET]
143
    stx %l4, [%g7 + L4_OFFSET]
144
    stx %l5, [%g7 + L5_OFFSET]
145
    stx %l6, [%g7 + L6_OFFSET]
146
    stx %l7, [%g7 + L7_OFFSET]
147
    stx %i0, [%g7 + I0_OFFSET]
148
    stx %i1, [%g7 + I1_OFFSET]
149
    stx %i2, [%g7 + I2_OFFSET]
150
    stx %i3, [%g7 + I3_OFFSET]
151
    stx %i4, [%g7 + I4_OFFSET]
152
    stx %i5, [%g7 + I5_OFFSET]
153
    stx %i6, [%g7 + I6_OFFSET]
154
    stx %i7, [%g7 + I7_OFFSET]
155
    add %g7, STACK_WINDOW_SAVE_AREA_SIZE, %g7
1852 jermar 156
    saved
157
    retry
158
.endm
159
 
160
 
161
/*
162
 * Macro used by the nucleus and the primary context 0 during normal fills.
163
 */
164
.macro FILL_NORMAL_HANDLER_KERNEL
630 jermar 165
    ldx [%sp + STACK_BIAS + L0_OFFSET], %l0
166
    ldx [%sp + STACK_BIAS + L1_OFFSET], %l1
167
    ldx [%sp + STACK_BIAS + L2_OFFSET], %l2
168
    ldx [%sp + STACK_BIAS + L3_OFFSET], %l3
169
    ldx [%sp + STACK_BIAS + L4_OFFSET], %l4
170
    ldx [%sp + STACK_BIAS + L5_OFFSET], %l5
171
    ldx [%sp + STACK_BIAS + L6_OFFSET], %l6
172
    ldx [%sp + STACK_BIAS + L7_OFFSET], %l7
173
    ldx [%sp + STACK_BIAS + I0_OFFSET], %i0
174
    ldx [%sp + STACK_BIAS + I1_OFFSET], %i1
175
    ldx [%sp + STACK_BIAS + I2_OFFSET], %i2
176
    ldx [%sp + STACK_BIAS + I3_OFFSET], %i3
177
    ldx [%sp + STACK_BIAS + I4_OFFSET], %i4
178
    ldx [%sp + STACK_BIAS + I5_OFFSET], %i5
179
    ldx [%sp + STACK_BIAS + I6_OFFSET], %i6
180
    ldx [%sp + STACK_BIAS + I7_OFFSET], %i7
181
    restored
182
    retry
183
.endm
184
 
1852 jermar 185
/*
186
 * Macro used by the userspace during normal fills.
187
 */
188
.macro FILL_NORMAL_HANDLER_USERSPACE
1856 jermar 189
    wr %g0, ASI_AIUP, %asi
1852 jermar 190
    ldxa [%sp + STACK_BIAS + L0_OFFSET] %asi, %l0
191
    ldxa [%sp + STACK_BIAS + L1_OFFSET] %asi, %l1
192
    ldxa [%sp + STACK_BIAS + L2_OFFSET] %asi, %l2
193
    ldxa [%sp + STACK_BIAS + L3_OFFSET] %asi, %l3
194
    ldxa [%sp + STACK_BIAS + L4_OFFSET] %asi, %l4
195
    ldxa [%sp + STACK_BIAS + L5_OFFSET] %asi, %l5
196
    ldxa [%sp + STACK_BIAS + L6_OFFSET] %asi, %l6
197
    ldxa [%sp + STACK_BIAS + L7_OFFSET] %asi, %l7
198
    ldxa [%sp + STACK_BIAS + I0_OFFSET] %asi, %i0
199
    ldxa [%sp + STACK_BIAS + I1_OFFSET] %asi, %i1
200
    ldxa [%sp + STACK_BIAS + I2_OFFSET] %asi, %i2
201
    ldxa [%sp + STACK_BIAS + I3_OFFSET] %asi, %i3
202
    ldxa [%sp + STACK_BIAS + I4_OFFSET] %asi, %i4
203
    ldxa [%sp + STACK_BIAS + I5_OFFSET] %asi, %i5
204
    ldxa [%sp + STACK_BIAS + I6_OFFSET] %asi, %i6
205
    ldxa [%sp + STACK_BIAS + I7_OFFSET] %asi, %i7
206
    restored
207
    retry
208
.endm
209
 
630 jermar 210
.macro CLEAN_WINDOW_HANDLER
211
    rdpr %cleanwin, %l0
212
    add %l0, 1, %l0
213
    wrpr %l0, 0, %cleanwin
214
    mov %r0, %l0
215
    mov %r0, %l1
216
    mov %r0, %l2
217
    mov %r0, %l3
218
    mov %r0, %l4
219
    mov %r0, %l5
220
    mov %r0, %l6
221
    mov %r0, %l7
666 jermar 222
    mov %r0, %o0
223
    mov %r0, %o1
224
    mov %r0, %o2
225
    mov %r0, %o3
226
    mov %r0, %o4
227
    mov %r0, %o5
228
    mov %r0, %o6
229
    mov %r0, %o7
630 jermar 230
    retry
231
.endm
632 jermar 232
#endif /* __ASM__ */
630 jermar 233
 
234
#endif
1702 cejka 235
 
1703 jermar 236
/** @}
1702 cejka 237
 */