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1 | # |
1 | # |
2 | # Copyright (C) 2003-2004 Jakub Jermar |
2 | # Copyright (C) 2003-2004 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 | #include <arch/asm/regname.h> |
29 | #include <arch/asm/regname.h> |
30 | 30 | ||
31 | .text |
31 | .text |
32 | 32 | ||
33 | .macro cp0_read reg |
33 | .macro cp0_read reg |
34 | mfc0 $2,\reg |
34 | mfc0 $2,\reg |
35 | j $31 |
35 | j $31 |
36 | nop |
36 | nop |
37 | .endm |
37 | .endm |
38 | 38 | ||
39 | .macro cp0_write reg |
39 | .macro cp0_write reg |
40 | mtc0 $4,\reg |
40 | mtc0 $4,\reg |
41 | j $31 |
41 | j $31 |
42 | nop |
42 | nop |
43 | .endm |
43 | .endm |
44 | 44 | ||
45 | .set noat |
45 | .set noat |
46 | .set noreorder |
46 | .set noreorder |
47 | .set nomacro |
47 | .set nomacro |
48 | 48 | ||
49 | .global cp0_index_read |
- | |
50 | .global cp0_index_write |
- | |
51 | .global cp0_random_read |
- | |
52 | .global cp0_entry_lo0_read |
- | |
53 | .global cp0_entry_lo0_write |
- | |
54 | .global cp0_entry_lo1_read |
- | |
55 | .global cp0_entry_lo1_write |
- | |
56 | .global cp0_context_read |
- | |
57 | .global cp0_context_write |
- | |
58 | .global cp0_pagemask_read |
- | |
59 | .global cp0_pagemask_write |
- | |
60 | .global cp0_wired_read |
- | |
61 | .global cp0_wired_write |
- | |
62 | .global cp0_badvaddr_read |
- | |
63 | .global cp0_count_read |
- | |
64 | .global cp0_count_write |
- | |
65 | .global cp0_entry_hi_read |
- | |
66 | .global cp0_entry_hi_write |
- | |
67 | .global cp0_compare_read |
- | |
68 | .global cp0_compare_write |
- | |
69 | .global cp0_status_read |
- | |
70 | .global cp0_status_write |
- | |
71 | .global cp0_cause_read |
- | |
72 | .global cp0_cause_write |
- | |
73 | .global cp0_epc_read |
- | |
74 | .global cp0_epc_write |
- | |
75 | .global cp0_prid_read |
- | |
76 | - | ||
77 | cp0_index_read: cp0_read $0 |
- | |
78 | cp0_index_write: cp0_write $0 |
- | |
79 | - | ||
80 | cp0_random_read: cp0_read $1 |
- | |
81 | - | ||
82 | cp0_entry_lo0_read: cp0_read $2 |
- | |
83 | cp0_entry_lo0_write: cp0_write $2 |
- | |
84 | - | ||
85 | cp0_entry_lo1_read: cp0_read $3 |
- | |
86 | cp0_entry_lo1_write: cp0_write $3 |
- | |
87 | - | ||
88 | cp0_context_read: cp0_read $4 |
- | |
89 | cp0_context_write: cp0_write $4 |
- | |
90 | - | ||
91 | cp0_pagemask_read: cp0_read $5 |
- | |
92 | cp0_pagemask_write: cp0_write $5 |
- | |
93 | - | ||
94 | cp0_wired_read: cp0_read $6 |
- | |
95 | cp0_wired_write: cp0_write $6 |
- | |
96 | - | ||
97 | cp0_badvaddr_read: cp0_read $8 |
- | |
98 | - | ||
99 | cp0_count_read: cp0_read $9 |
- | |
100 | cp0_count_write: cp0_write $9 |
- | |
101 | - | ||
102 | cp0_entry_hi_read: cp0_read $10 |
- | |
103 | cp0_entry_hi_write: cp0_write $10 |
- | |
104 | - | ||
105 | cp0_compare_read: cp0_read $11 |
- | |
106 | cp0_compare_write: cp0_write $11 |
- | |
107 | - | ||
108 | cp0_status_read: cp0_read $12 |
- | |
109 | cp0_status_write: cp0_write $12 |
- | |
110 | - | ||
111 | cp0_cause_read: cp0_read $13 |
- | |
112 | cp0_cause_write: cp0_write $13 |
- | |
113 | - | ||
114 | cp0_epc_read: cp0_read $14 |
- | |
115 | cp0_epc_write: cp0_write $14 |
- | |
116 | - | ||
117 | cp0_prid_read: cp0_read $15 |
- | |
118 | - | ||
119 | - | ||
120 | .global cpu_halt |
49 | .global cpu_halt |
121 | cpu_halt: |
50 | cpu_halt: |
122 | j cpu_halt |
51 | j cpu_halt |
123 | nop |
52 | nop |
124 | 53 | ||
125 | 54 | ||
126 | .global memsetb |
55 | .global memsetb |
127 | memsetb: |
56 | memsetb: |
128 | j _memsetb |
57 | j _memsetb |
129 | nop |
58 | nop |
130 | 59 | ||
131 | .global memcpy |
60 | .global memcpy |
132 | memcpy: |
61 | memcpy: |
133 | j _memcpy |
62 | j _memcpy |
134 | nop |
63 | nop |
135 | 64 | ||
136 | .macro fpu_gp_save reg ctx |
65 | .macro fpu_gp_save reg ctx |
137 | mfc1 $t0,$\reg |
66 | mfc1 $t0,$\reg |
138 | sw $t0, \reg*4(\ctx) |
67 | sw $t0, \reg*4(\ctx) |
139 | .endm |
68 | .endm |
140 | 69 | ||
141 | .macro fpu_gp_restore reg ctx |
70 | .macro fpu_gp_restore reg ctx |
142 | lw $t0, \reg*4(\ctx) |
71 | lw $t0, \reg*4(\ctx) |
143 | mtc1 $t0,$\reg |
72 | mtc1 $t0,$\reg |
144 | .endm |
73 | .endm |
145 | 74 | ||
146 | .macro fpu_ct_save reg ctx |
75 | .macro fpu_ct_save reg ctx |
147 | cfc1 $t0,$1 |
76 | cfc1 $t0,$1 |
148 | sw $t0, (\reg+32)*4(\ctx) |
77 | sw $t0, (\reg+32)*4(\ctx) |
149 | .endm |
78 | .endm |
150 | 79 | ||
151 | .macro fpu_ct_restore reg ctx |
80 | .macro fpu_ct_restore reg ctx |
152 | lw $t0, (\reg+32)*4(\ctx) |
81 | lw $t0, (\reg+32)*4(\ctx) |
153 | ctc1 $t0,$\reg |
82 | ctc1 $t0,$\reg |
154 | .endm |
83 | .endm |
155 | 84 | ||
156 | 85 | ||
157 | .global fpu_context_save |
86 | .global fpu_context_save |
158 | fpu_context_save: |
87 | fpu_context_save: |
159 | #ifdef ARCH_HAS_FPU |
88 | #ifdef ARCH_HAS_FPU |
160 | fpu_gp_save 0,$a0 |
89 | fpu_gp_save 0,$a0 |
161 | fpu_gp_save 1,$a0 |
90 | fpu_gp_save 1,$a0 |
162 | fpu_gp_save 2,$a0 |
91 | fpu_gp_save 2,$a0 |
163 | fpu_gp_save 3,$a0 |
92 | fpu_gp_save 3,$a0 |
164 | fpu_gp_save 4,$a0 |
93 | fpu_gp_save 4,$a0 |
165 | fpu_gp_save 5,$a0 |
94 | fpu_gp_save 5,$a0 |
166 | fpu_gp_save 6,$a0 |
95 | fpu_gp_save 6,$a0 |
167 | fpu_gp_save 7,$a0 |
96 | fpu_gp_save 7,$a0 |
168 | fpu_gp_save 8,$a0 |
97 | fpu_gp_save 8,$a0 |
169 | fpu_gp_save 9,$a0 |
98 | fpu_gp_save 9,$a0 |
170 | fpu_gp_save 10,$a0 |
99 | fpu_gp_save 10,$a0 |
171 | fpu_gp_save 11,$a0 |
100 | fpu_gp_save 11,$a0 |
172 | fpu_gp_save 12,$a0 |
101 | fpu_gp_save 12,$a0 |
173 | fpu_gp_save 13,$a0 |
102 | fpu_gp_save 13,$a0 |
174 | fpu_gp_save 14,$a0 |
103 | fpu_gp_save 14,$a0 |
175 | fpu_gp_save 15,$a0 |
104 | fpu_gp_save 15,$a0 |
176 | fpu_gp_save 16,$a0 |
105 | fpu_gp_save 16,$a0 |
177 | fpu_gp_save 17,$a0 |
106 | fpu_gp_save 17,$a0 |
178 | fpu_gp_save 18,$a0 |
107 | fpu_gp_save 18,$a0 |
179 | fpu_gp_save 19,$a0 |
108 | fpu_gp_save 19,$a0 |
180 | fpu_gp_save 20,$a0 |
109 | fpu_gp_save 20,$a0 |
181 | fpu_gp_save 21,$a0 |
110 | fpu_gp_save 21,$a0 |
182 | fpu_gp_save 22,$a0 |
111 | fpu_gp_save 22,$a0 |
183 | fpu_gp_save 23,$a0 |
112 | fpu_gp_save 23,$a0 |
184 | fpu_gp_save 24,$a0 |
113 | fpu_gp_save 24,$a0 |
185 | fpu_gp_save 25,$a0 |
114 | fpu_gp_save 25,$a0 |
186 | fpu_gp_save 26,$a0 |
115 | fpu_gp_save 26,$a0 |
187 | fpu_gp_save 27,$a0 |
116 | fpu_gp_save 27,$a0 |
188 | fpu_gp_save 28,$a0 |
117 | fpu_gp_save 28,$a0 |
189 | fpu_gp_save 29,$a0 |
118 | fpu_gp_save 29,$a0 |
190 | fpu_gp_save 30,$a0 |
119 | fpu_gp_save 30,$a0 |
191 | fpu_gp_save 31,$a0 |
120 | fpu_gp_save 31,$a0 |
192 | 121 | ||
193 | fpu_ct_save 1,$a0 |
122 | fpu_ct_save 1,$a0 |
194 | fpu_ct_save 2,$a0 |
123 | fpu_ct_save 2,$a0 |
195 | fpu_ct_save 3,$a0 |
124 | fpu_ct_save 3,$a0 |
196 | fpu_ct_save 4,$a0 |
125 | fpu_ct_save 4,$a0 |
197 | fpu_ct_save 5,$a0 |
126 | fpu_ct_save 5,$a0 |
198 | fpu_ct_save 6,$a0 |
127 | fpu_ct_save 6,$a0 |
199 | fpu_ct_save 7,$a0 |
128 | fpu_ct_save 7,$a0 |
200 | fpu_ct_save 8,$a0 |
129 | fpu_ct_save 8,$a0 |
201 | fpu_ct_save 9,$a0 |
130 | fpu_ct_save 9,$a0 |
202 | fpu_ct_save 10,$a0 |
131 | fpu_ct_save 10,$a0 |
203 | fpu_ct_save 11,$a0 |
132 | fpu_ct_save 11,$a0 |
204 | fpu_ct_save 12,$a0 |
133 | fpu_ct_save 12,$a0 |
205 | fpu_ct_save 13,$a0 |
134 | fpu_ct_save 13,$a0 |
206 | fpu_ct_save 14,$a0 |
135 | fpu_ct_save 14,$a0 |
207 | fpu_ct_save 15,$a0 |
136 | fpu_ct_save 15,$a0 |
208 | fpu_ct_save 16,$a0 |
137 | fpu_ct_save 16,$a0 |
209 | fpu_ct_save 17,$a0 |
138 | fpu_ct_save 17,$a0 |
210 | fpu_ct_save 18,$a0 |
139 | fpu_ct_save 18,$a0 |
211 | fpu_ct_save 19,$a0 |
140 | fpu_ct_save 19,$a0 |
212 | fpu_ct_save 20,$a0 |
141 | fpu_ct_save 20,$a0 |
213 | fpu_ct_save 21,$a0 |
142 | fpu_ct_save 21,$a0 |
214 | fpu_ct_save 22,$a0 |
143 | fpu_ct_save 22,$a0 |
215 | fpu_ct_save 23,$a0 |
144 | fpu_ct_save 23,$a0 |
216 | fpu_ct_save 24,$a0 |
145 | fpu_ct_save 24,$a0 |
217 | fpu_ct_save 25,$a0 |
146 | fpu_ct_save 25,$a0 |
218 | fpu_ct_save 26,$a0 |
147 | fpu_ct_save 26,$a0 |
219 | fpu_ct_save 27,$a0 |
148 | fpu_ct_save 27,$a0 |
220 | fpu_ct_save 28,$a0 |
149 | fpu_ct_save 28,$a0 |
221 | fpu_ct_save 29,$a0 |
150 | fpu_ct_save 29,$a0 |
222 | fpu_ct_save 30,$a0 |
151 | fpu_ct_save 30,$a0 |
223 | fpu_ct_save 31,$a0 |
152 | fpu_ct_save 31,$a0 |
224 | #endif |
153 | #endif |
225 | j $ra |
154 | j $ra |
226 | nop |
155 | nop |
227 | 156 | ||
228 | .global fpu_context_restore |
157 | .global fpu_context_restore |
229 | fpu_context_restore: |
158 | fpu_context_restore: |
230 | #ifdef ARCH_HAS_FPU |
159 | #ifdef ARCH_HAS_FPU |
231 | fpu_gp_restore 0,$a0 |
160 | fpu_gp_restore 0,$a0 |
232 | fpu_gp_restore 1,$a0 |
161 | fpu_gp_restore 1,$a0 |
233 | fpu_gp_restore 2,$a0 |
162 | fpu_gp_restore 2,$a0 |
234 | fpu_gp_restore 3,$a0 |
163 | fpu_gp_restore 3,$a0 |
235 | fpu_gp_restore 4,$a0 |
164 | fpu_gp_restore 4,$a0 |
236 | fpu_gp_restore 5,$a0 |
165 | fpu_gp_restore 5,$a0 |
237 | fpu_gp_restore 6,$a0 |
166 | fpu_gp_restore 6,$a0 |
238 | fpu_gp_restore 7,$a0 |
167 | fpu_gp_restore 7,$a0 |
239 | fpu_gp_restore 8,$a0 |
168 | fpu_gp_restore 8,$a0 |
240 | fpu_gp_restore 9,$a0 |
169 | fpu_gp_restore 9,$a0 |
241 | fpu_gp_restore 10,$a0 |
170 | fpu_gp_restore 10,$a0 |
242 | fpu_gp_restore 11,$a0 |
171 | fpu_gp_restore 11,$a0 |
243 | fpu_gp_restore 12,$a0 |
172 | fpu_gp_restore 12,$a0 |
244 | fpu_gp_restore 13,$a0 |
173 | fpu_gp_restore 13,$a0 |
245 | fpu_gp_restore 14,$a0 |
174 | fpu_gp_restore 14,$a0 |
246 | fpu_gp_restore 15,$a0 |
175 | fpu_gp_restore 15,$a0 |
247 | fpu_gp_restore 16,$a0 |
176 | fpu_gp_restore 16,$a0 |
248 | fpu_gp_restore 17,$a0 |
177 | fpu_gp_restore 17,$a0 |
249 | fpu_gp_restore 18,$a0 |
178 | fpu_gp_restore 18,$a0 |
250 | fpu_gp_restore 19,$a0 |
179 | fpu_gp_restore 19,$a0 |
251 | fpu_gp_restore 20,$a0 |
180 | fpu_gp_restore 20,$a0 |
252 | fpu_gp_restore 21,$a0 |
181 | fpu_gp_restore 21,$a0 |
253 | fpu_gp_restore 22,$a0 |
182 | fpu_gp_restore 22,$a0 |
254 | fpu_gp_restore 23,$a0 |
183 | fpu_gp_restore 23,$a0 |
255 | fpu_gp_restore 24,$a0 |
184 | fpu_gp_restore 24,$a0 |
256 | fpu_gp_restore 25,$a0 |
185 | fpu_gp_restore 25,$a0 |
257 | fpu_gp_restore 26,$a0 |
186 | fpu_gp_restore 26,$a0 |
258 | fpu_gp_restore 27,$a0 |
187 | fpu_gp_restore 27,$a0 |
259 | fpu_gp_restore 28,$a0 |
188 | fpu_gp_restore 28,$a0 |
260 | fpu_gp_restore 29,$a0 |
189 | fpu_gp_restore 29,$a0 |
261 | fpu_gp_restore 30,$a0 |
190 | fpu_gp_restore 30,$a0 |
262 | fpu_gp_restore 31,$a0 |
191 | fpu_gp_restore 31,$a0 |
263 | 192 | ||
264 | fpu_ct_restore 1,$a0 |
193 | fpu_ct_restore 1,$a0 |
265 | fpu_ct_restore 2,$a0 |
194 | fpu_ct_restore 2,$a0 |
266 | fpu_ct_restore 3,$a0 |
195 | fpu_ct_restore 3,$a0 |
267 | fpu_ct_restore 4,$a0 |
196 | fpu_ct_restore 4,$a0 |
268 | fpu_ct_restore 5,$a0 |
197 | fpu_ct_restore 5,$a0 |
269 | fpu_ct_restore 6,$a0 |
198 | fpu_ct_restore 6,$a0 |
270 | fpu_ct_restore 7,$a0 |
199 | fpu_ct_restore 7,$a0 |
271 | fpu_ct_restore 8,$a0 |
200 | fpu_ct_restore 8,$a0 |
272 | fpu_ct_restore 9,$a0 |
201 | fpu_ct_restore 9,$a0 |
273 | fpu_ct_restore 10,$a0 |
202 | fpu_ct_restore 10,$a0 |
274 | fpu_ct_restore 11,$a0 |
203 | fpu_ct_restore 11,$a0 |
275 | fpu_ct_restore 12,$a0 |
204 | fpu_ct_restore 12,$a0 |
276 | fpu_ct_restore 13,$a0 |
205 | fpu_ct_restore 13,$a0 |
277 | fpu_ct_restore 14,$a0 |
206 | fpu_ct_restore 14,$a0 |
278 | fpu_ct_restore 15,$a0 |
207 | fpu_ct_restore 15,$a0 |
279 | fpu_ct_restore 16,$a0 |
208 | fpu_ct_restore 16,$a0 |
280 | fpu_ct_restore 17,$a0 |
209 | fpu_ct_restore 17,$a0 |
281 | fpu_ct_restore 18,$a0 |
210 | fpu_ct_restore 18,$a0 |
282 | fpu_ct_restore 19,$a0 |
211 | fpu_ct_restore 19,$a0 |
283 | fpu_ct_restore 20,$a0 |
212 | fpu_ct_restore 20,$a0 |
284 | fpu_ct_restore 21,$a0 |
213 | fpu_ct_restore 21,$a0 |
285 | fpu_ct_restore 22,$a0 |
214 | fpu_ct_restore 22,$a0 |
286 | fpu_ct_restore 23,$a0 |
215 | fpu_ct_restore 23,$a0 |
287 | fpu_ct_restore 24,$a0 |
216 | fpu_ct_restore 24,$a0 |
288 | fpu_ct_restore 25,$a0 |
217 | fpu_ct_restore 25,$a0 |
289 | fpu_ct_restore 26,$a0 |
218 | fpu_ct_restore 26,$a0 |
290 | fpu_ct_restore 27,$a0 |
219 | fpu_ct_restore 27,$a0 |
291 | fpu_ct_restore 28,$a0 |
220 | fpu_ct_restore 28,$a0 |
292 | fpu_ct_restore 29,$a0 |
221 | fpu_ct_restore 29,$a0 |
293 | fpu_ct_restore 30,$a0 |
222 | fpu_ct_restore 30,$a0 |
294 | fpu_ct_restore 31,$a0 |
223 | fpu_ct_restore 31,$a0 |
295 | #endif |
224 | #endif |
296 | j $ra |
225 | j $ra |
297 | nop |
226 | nop |
298 | 227 |