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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup sparc64interrupt |
29 | /** @addtogroup sparc64interrupt |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** |
32 | /** |
33 | * @file |
33 | * @file |
34 | * @brief This file contains register window trap handlers. |
34 | * @brief This file contains register window trap handlers. |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #ifndef __sparc64_REGWIN_H__ |
37 | #ifndef __sparc64_REGWIN_H__ |
38 | #define __sparc64_REGWIN_H__ |
38 | #define __sparc64_REGWIN_H__ |
39 | 39 | ||
40 | #include <arch/stack.h> |
40 | #include <arch/stack.h> |
- | 41 | #include <arch/arch.h> |
|
41 | 42 | ||
42 | #define TT_CLEAN_WINDOW 0x24 |
43 | #define TT_CLEAN_WINDOW 0x24 |
43 | #define TT_SPILL_0_NORMAL 0x80 |
44 | #define TT_SPILL_0_NORMAL 0x80 |
44 | #define TT_FILL_0_NORMAL 0xc0 |
45 | #define TT_FILL_0_NORMAL 0xc0 |
45 | 46 | ||
46 | #define REGWIN_HANDLER_SIZE 128 |
47 | #define REGWIN_HANDLER_SIZE 128 |
47 | 48 | ||
48 | #define CLEAN_WINDOW_HANDLER_SIZE REGWIN_HANDLER_SIZE |
49 | #define CLEAN_WINDOW_HANDLER_SIZE REGWIN_HANDLER_SIZE |
49 | #define SPILL_HANDLER_SIZE REGWIN_HANDLER_SIZE |
50 | #define SPILL_HANDLER_SIZE REGWIN_HANDLER_SIZE |
50 | #define FILL_HANDLER_SIZE REGWIN_HANDLER_SIZE |
51 | #define FILL_HANDLER_SIZE REGWIN_HANDLER_SIZE |
51 | 52 | ||
- | 53 | #define NWINDOW 8 |
|
- | 54 | ||
52 | /** Window Save Area offsets. */ |
55 | /* Window Save Area offsets. */ |
53 | #define L0_OFFSET 0 |
56 | #define L0_OFFSET 0 |
54 | #define L1_OFFSET 8 |
57 | #define L1_OFFSET 8 |
55 | #define L2_OFFSET 16 |
58 | #define L2_OFFSET 16 |
56 | #define L3_OFFSET 24 |
59 | #define L3_OFFSET 24 |
57 | #define L4_OFFSET 32 |
60 | #define L4_OFFSET 32 |
58 | #define L5_OFFSET 40 |
61 | #define L5_OFFSET 40 |
59 | #define L6_OFFSET 48 |
62 | #define L6_OFFSET 48 |
60 | #define L7_OFFSET 56 |
63 | #define L7_OFFSET 56 |
61 | #define I0_OFFSET 64 |
64 | #define I0_OFFSET 64 |
62 | #define I1_OFFSET 72 |
65 | #define I1_OFFSET 72 |
63 | #define I2_OFFSET 80 |
66 | #define I2_OFFSET 80 |
64 | #define I3_OFFSET 88 |
67 | #define I3_OFFSET 88 |
65 | #define I4_OFFSET 96 |
68 | #define I4_OFFSET 96 |
66 | #define I5_OFFSET 104 |
69 | #define I5_OFFSET 104 |
67 | #define I6_OFFSET 112 |
70 | #define I6_OFFSET 112 |
68 | #define I7_OFFSET 120 |
71 | #define I7_OFFSET 120 |
69 | 72 | ||
70 | #ifdef __ASM__ |
73 | #ifdef __ASM__ |
- | 74 | ||
- | 75 | /* |
|
- | 76 | * Macro used by the nucleus and the primary context 0 during normal and other spills. |
|
- | 77 | */ |
|
71 | .macro SPILL_NORMAL_HANDLER |
78 | .macro SPILL_NORMAL_HANDLER_KERNEL |
72 | stx %l0, [%sp + STACK_BIAS + L0_OFFSET] |
79 | stx %l0, [%sp + STACK_BIAS + L0_OFFSET] |
73 | stx %l1, [%sp + STACK_BIAS + L1_OFFSET] |
80 | stx %l1, [%sp + STACK_BIAS + L1_OFFSET] |
74 | stx %l2, [%sp + STACK_BIAS + L2_OFFSET] |
81 | stx %l2, [%sp + STACK_BIAS + L2_OFFSET] |
75 | stx %l3, [%sp + STACK_BIAS + L3_OFFSET] |
82 | stx %l3, [%sp + STACK_BIAS + L3_OFFSET] |
76 | stx %l4, [%sp + STACK_BIAS + L4_OFFSET] |
83 | stx %l4, [%sp + STACK_BIAS + L4_OFFSET] |
77 | stx %l5, [%sp + STACK_BIAS + L5_OFFSET] |
84 | stx %l5, [%sp + STACK_BIAS + L5_OFFSET] |
78 | stx %l6, [%sp + STACK_BIAS + L6_OFFSET] |
85 | stx %l6, [%sp + STACK_BIAS + L6_OFFSET] |
79 | stx %l7, [%sp + STACK_BIAS + L7_OFFSET] |
86 | stx %l7, [%sp + STACK_BIAS + L7_OFFSET] |
80 | stx %i0, [%sp + STACK_BIAS + I0_OFFSET] |
87 | stx %i0, [%sp + STACK_BIAS + I0_OFFSET] |
81 | stx %i1, [%sp + STACK_BIAS + I1_OFFSET] |
88 | stx %i1, [%sp + STACK_BIAS + I1_OFFSET] |
82 | stx %i2, [%sp + STACK_BIAS + I2_OFFSET] |
89 | stx %i2, [%sp + STACK_BIAS + I2_OFFSET] |
83 | stx %i3, [%sp + STACK_BIAS + I3_OFFSET] |
90 | stx %i3, [%sp + STACK_BIAS + I3_OFFSET] |
84 | stx %i4, [%sp + STACK_BIAS + I4_OFFSET] |
91 | stx %i4, [%sp + STACK_BIAS + I4_OFFSET] |
85 | stx %i5, [%sp + STACK_BIAS + I5_OFFSET] |
92 | stx %i5, [%sp + STACK_BIAS + I5_OFFSET] |
86 | stx %i6, [%sp + STACK_BIAS + I6_OFFSET] |
93 | stx %i6, [%sp + STACK_BIAS + I6_OFFSET] |
87 | stx %i7, [%sp + STACK_BIAS + I7_OFFSET] |
94 | stx %i7, [%sp + STACK_BIAS + I7_OFFSET] |
88 | saved |
95 | saved |
89 | retry |
96 | retry |
90 | .endm |
97 | .endm |
91 | 98 | ||
- | 99 | /* |
|
- | 100 | * Macro used by the userspace during normal spills. |
|
- | 101 | */ |
|
- | 102 | .macro SPILL_NORMAL_HANDLER_USERSPACE |
|
- | 103 | wr ASI_AIUP, %asi |
|
- | 104 | stxa %l0, [%sp + STACK_BIAS + L0_OFFSET] %asi |
|
- | 105 | stxa %l1, [%sp + STACK_BIAS + L1_OFFSET] %asi |
|
- | 106 | stxa %l2, [%sp + STACK_BIAS + L2_OFFSET] %asi |
|
- | 107 | stxa %l3, [%sp + STACK_BIAS + L3_OFFSET] %asi |
|
- | 108 | stxa %l4, [%sp + STACK_BIAS + L4_OFFSET] %asi |
|
- | 109 | stxa %l5, [%sp + STACK_BIAS + L5_OFFSET] %asi |
|
- | 110 | stxa %l6, [%sp + STACK_BIAS + L6_OFFSET] %asi |
|
- | 111 | stxa %l7, [%sp + STACK_BIAS + L7_OFFSET] %asi |
|
- | 112 | stxa %i0, [%sp + STACK_BIAS + I0_OFFSET] %asi |
|
- | 113 | stxa %i1, [%sp + STACK_BIAS + I1_OFFSET] %asi |
|
- | 114 | stxa %i2, [%sp + STACK_BIAS + I2_OFFSET] %asi |
|
- | 115 | stxa %i3, [%sp + STACK_BIAS + I3_OFFSET] %asi |
|
- | 116 | stxa %i4, [%sp + STACK_BIAS + I4_OFFSET] %asi |
|
- | 117 | stxa %i5, [%sp + STACK_BIAS + I5_OFFSET] %asi |
|
- | 118 | stxa %i6, [%sp + STACK_BIAS + I6_OFFSET] %asi |
|
- | 119 | stxa %i7, [%sp + STACK_BIAS + I7_OFFSET] %asi |
|
- | 120 | saved |
|
- | 121 | retry |
|
- | 122 | .endm |
|
- | 123 | ||
- | 124 | /* |
|
- | 125 | * Macro used by the userspace during other spills. |
|
- | 126 | */ |
|
- | 127 | .macro SPILL_OTHER_HANDLER_USERSPACE |
|
- | 128 | wr ASI_AIUS, %asi |
|
- | 129 | stxa %l0, [%sp + STACK_BIAS + L0_OFFSET] %asi |
|
- | 130 | stxa %l1, [%sp + STACK_BIAS + L1_OFFSET] %asi |
|
- | 131 | stxa %l2, [%sp + STACK_BIAS + L2_OFFSET] %asi |
|
- | 132 | stxa %l3, [%sp + STACK_BIAS + L3_OFFSET] %asi |
|
- | 133 | stxa %l4, [%sp + STACK_BIAS + L4_OFFSET] %asi |
|
- | 134 | stxa %l5, [%sp + STACK_BIAS + L5_OFFSET] %asi |
|
- | 135 | stxa %l6, [%sp + STACK_BIAS + L6_OFFSET] %asi |
|
- | 136 | stxa %l7, [%sp + STACK_BIAS + L7_OFFSET] %asi |
|
- | 137 | stxa %i0, [%sp + STACK_BIAS + I0_OFFSET] %asi |
|
- | 138 | stxa %i1, [%sp + STACK_BIAS + I1_OFFSET] %asi |
|
- | 139 | stxa %i2, [%sp + STACK_BIAS + I2_OFFSET] %asi |
|
- | 140 | stxa %i3, [%sp + STACK_BIAS + I3_OFFSET] %asi |
|
- | 141 | stxa %i4, [%sp + STACK_BIAS + I4_OFFSET] %asi |
|
- | 142 | stxa %i5, [%sp + STACK_BIAS + I5_OFFSET] %asi |
|
- | 143 | stxa %i6, [%sp + STACK_BIAS + I6_OFFSET] %asi |
|
- | 144 | stxa %i7, [%sp + STACK_BIAS + I7_OFFSET] %asi |
|
- | 145 | saved |
|
- | 146 | retry |
|
- | 147 | .endm |
|
- | 148 | ||
- | 149 | ||
- | 150 | /* |
|
- | 151 | * Macro used by the nucleus and the primary context 0 during normal fills. |
|
- | 152 | */ |
|
92 | .macro FILL_NORMAL_HANDLER |
153 | .macro FILL_NORMAL_HANDLER_KERNEL |
93 | ldx [%sp + STACK_BIAS + L0_OFFSET], %l0 |
154 | ldx [%sp + STACK_BIAS + L0_OFFSET], %l0 |
94 | ldx [%sp + STACK_BIAS + L1_OFFSET], %l1 |
155 | ldx [%sp + STACK_BIAS + L1_OFFSET], %l1 |
95 | ldx [%sp + STACK_BIAS + L2_OFFSET], %l2 |
156 | ldx [%sp + STACK_BIAS + L2_OFFSET], %l2 |
96 | ldx [%sp + STACK_BIAS + L3_OFFSET], %l3 |
157 | ldx [%sp + STACK_BIAS + L3_OFFSET], %l3 |
97 | ldx [%sp + STACK_BIAS + L4_OFFSET], %l4 |
158 | ldx [%sp + STACK_BIAS + L4_OFFSET], %l4 |
98 | ldx [%sp + STACK_BIAS + L5_OFFSET], %l5 |
159 | ldx [%sp + STACK_BIAS + L5_OFFSET], %l5 |
99 | ldx [%sp + STACK_BIAS + L6_OFFSET], %l6 |
160 | ldx [%sp + STACK_BIAS + L6_OFFSET], %l6 |
100 | ldx [%sp + STACK_BIAS + L7_OFFSET], %l7 |
161 | ldx [%sp + STACK_BIAS + L7_OFFSET], %l7 |
101 | ldx [%sp + STACK_BIAS + I0_OFFSET], %i0 |
162 | ldx [%sp + STACK_BIAS + I0_OFFSET], %i0 |
102 | ldx [%sp + STACK_BIAS + I1_OFFSET], %i1 |
163 | ldx [%sp + STACK_BIAS + I1_OFFSET], %i1 |
103 | ldx [%sp + STACK_BIAS + I2_OFFSET], %i2 |
164 | ldx [%sp + STACK_BIAS + I2_OFFSET], %i2 |
104 | ldx [%sp + STACK_BIAS + I3_OFFSET], %i3 |
165 | ldx [%sp + STACK_BIAS + I3_OFFSET], %i3 |
105 | ldx [%sp + STACK_BIAS + I4_OFFSET], %i4 |
166 | ldx [%sp + STACK_BIAS + I4_OFFSET], %i4 |
106 | ldx [%sp + STACK_BIAS + I5_OFFSET], %i5 |
167 | ldx [%sp + STACK_BIAS + I5_OFFSET], %i5 |
107 | ldx [%sp + STACK_BIAS + I6_OFFSET], %i6 |
168 | ldx [%sp + STACK_BIAS + I6_OFFSET], %i6 |
108 | ldx [%sp + STACK_BIAS + I7_OFFSET], %i7 |
169 | ldx [%sp + STACK_BIAS + I7_OFFSET], %i7 |
109 | restored |
170 | restored |
- | 171 | retry |
|
- | 172 | .endm |
|
- | 173 | ||
- | 174 | /* |
|
- | 175 | * Macro used by the userspace during normal fills. |
|
- | 176 | */ |
|
- | 177 | .macro FILL_NORMAL_HANDLER_USERSPACE |
|
- | 178 | wr ASI_AIUP, %asi |
|
- | 179 | ldxa [%sp + STACK_BIAS + L0_OFFSET] %asi, %l0 |
|
- | 180 | ldxa [%sp + STACK_BIAS + L1_OFFSET] %asi, %l1 |
|
- | 181 | ldxa [%sp + STACK_BIAS + L2_OFFSET] %asi, %l2 |
|
- | 182 | ldxa [%sp + STACK_BIAS + L3_OFFSET] %asi, %l3 |
|
- | 183 | ldxa [%sp + STACK_BIAS + L4_OFFSET] %asi, %l4 |
|
- | 184 | ldxa [%sp + STACK_BIAS + L5_OFFSET] %asi, %l5 |
|
- | 185 | ldxa [%sp + STACK_BIAS + L6_OFFSET] %asi, %l6 |
|
- | 186 | ldxa [%sp + STACK_BIAS + L7_OFFSET] %asi, %l7 |
|
- | 187 | ldxa [%sp + STACK_BIAS + I0_OFFSET] %asi, %i0 |
|
- | 188 | ldxa [%sp + STACK_BIAS + I1_OFFSET] %asi, %i1 |
|
- | 189 | ldxa [%sp + STACK_BIAS + I2_OFFSET] %asi, %i2 |
|
- | 190 | ldxa [%sp + STACK_BIAS + I3_OFFSET] %asi, %i3 |
|
- | 191 | ldxa [%sp + STACK_BIAS + I4_OFFSET] %asi, %i4 |
|
- | 192 | ldxa [%sp + STACK_BIAS + I5_OFFSET] %asi, %i5 |
|
- | 193 | ldxa [%sp + STACK_BIAS + I6_OFFSET] %asi, %i6 |
|
- | 194 | ldxa [%sp + STACK_BIAS + I7_OFFSET] %asi, %i7 |
|
- | 195 | restored |
|
- | 196 | retry |
|
- | 197 | .endm |
|
- | 198 | ||
- | 199 | /* |
|
- | 200 | * Macro used by the userspace during other fills. |
|
- | 201 | */ |
|
- | 202 | .macro FILL_OTHER_HANDLER_USERSPACE |
|
- | 203 | wr ASI_AIUS, %asi |
|
- | 204 | ldxa [%sp + STACK_BIAS + L0_OFFSET] %asi, %l0 |
|
- | 205 | ldxa [%sp + STACK_BIAS + L1_OFFSET] %asi, %l1 |
|
- | 206 | ldxa [%sp + STACK_BIAS + L2_OFFSET] %asi, %l2 |
|
- | 207 | ldxa [%sp + STACK_BIAS + L3_OFFSET] %asi, %l3 |
|
- | 208 | ldxa [%sp + STACK_BIAS + L4_OFFSET] %asi, %l4 |
|
- | 209 | ldxa [%sp + STACK_BIAS + L5_OFFSET] %asi, %l5 |
|
- | 210 | ldxa [%sp + STACK_BIAS + L6_OFFSET] %asi, %l6 |
|
- | 211 | ldxa [%sp + STACK_BIAS + L7_OFFSET] %asi, %l7 |
|
- | 212 | ldxa [%sp + STACK_BIAS + I0_OFFSET] %asi, %i0 |
|
- | 213 | ldxa [%sp + STACK_BIAS + I1_OFFSET] %asi, %i1 |
|
- | 214 | ldxa [%sp + STACK_BIAS + I2_OFFSET] %asi, %i2 |
|
- | 215 | ldxa [%sp + STACK_BIAS + I3_OFFSET] %asi, %i3 |
|
- | 216 | ldxa [%sp + STACK_BIAS + I4_OFFSET] %asi, %i4 |
|
- | 217 | ldxa [%sp + STACK_BIAS + I5_OFFSET] %asi, %i5 |
|
- | 218 | ldxa [%sp + STACK_BIAS + I6_OFFSET] %asi, %i6 |
|
- | 219 | ldxa [%sp + STACK_BIAS + I7_OFFSET] %asi, %i7 |
|
- | 220 | restored |
|
110 | retry |
221 | retry |
111 | .endm |
222 | .endm |
112 | 223 | ||
113 | .macro CLEAN_WINDOW_HANDLER |
224 | .macro CLEAN_WINDOW_HANDLER |
114 | rdpr %cleanwin, %l0 |
225 | rdpr %cleanwin, %l0 |
115 | add %l0, 1, %l0 |
226 | add %l0, 1, %l0 |
116 | wrpr %l0, 0, %cleanwin |
227 | wrpr %l0, 0, %cleanwin |
117 | mov %r0, %l0 |
228 | mov %r0, %l0 |
118 | mov %r0, %l1 |
229 | mov %r0, %l1 |
119 | mov %r0, %l2 |
230 | mov %r0, %l2 |
120 | mov %r0, %l3 |
231 | mov %r0, %l3 |
121 | mov %r0, %l4 |
232 | mov %r0, %l4 |
122 | mov %r0, %l5 |
233 | mov %r0, %l5 |
123 | mov %r0, %l6 |
234 | mov %r0, %l6 |
124 | mov %r0, %l7 |
235 | mov %r0, %l7 |
125 | mov %r0, %o0 |
236 | mov %r0, %o0 |
126 | mov %r0, %o1 |
237 | mov %r0, %o1 |
127 | mov %r0, %o2 |
238 | mov %r0, %o2 |
128 | mov %r0, %o3 |
239 | mov %r0, %o3 |
129 | mov %r0, %o4 |
240 | mov %r0, %o4 |
130 | mov %r0, %o5 |
241 | mov %r0, %o5 |
131 | mov %r0, %o6 |
242 | mov %r0, %o6 |
132 | mov %r0, %o7 |
243 | mov %r0, %o7 |
133 | retry |
244 | retry |
134 | .endm |
245 | .endm |
135 | #endif /* __ASM__ */ |
246 | #endif /* __ASM__ */ |
136 | 247 | ||
137 | #endif |
248 | #endif |
138 | 249 | ||
139 | /** @} |
250 | /** @} |
140 | */ |
251 | */ |
141 | 252 | ||
142 | 253 |