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| Rev 4343 | Rev 4345 | ||
|---|---|---|---|
| Line 29... | Line 29... | ||
| 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 |
| Line 69... | Line 69... | ||
| 69 | .global memcpy_from_uspace_failover_address |
69 | .global memcpy_from_uspace_failover_address |
| 70 | .global memcpy_to_uspace_failover_address |
70 | .global memcpy_to_uspace_failover_address |
| 71 | memcpy: |
71 | memcpy: |
| 72 | memcpy_from_uspace: |
72 | memcpy_from_uspace: |
| 73 | memcpy_to_uspace: |
73 | memcpy_to_uspace: |
| - | 74 | move $t2, $a0 # save dst |
|
| - | 75 | ||
| 74 | addiu $v0,$a1,3 |
76 | addiu $v0, $a1, 3 |
| 75 | li $v1,-4 # 0xfffffffffffffffc |
77 | li $v1, -4 # 0xfffffffffffffffc |
| 76 | and $v0,$v0,$v1 |
78 | and $v0, $v0, $v1 |
| 77 | beq $a1,$v0,3f |
79 | beq $a1, $v0, 3f |
| 78 | move $t0,$a0 |
80 | move $t0, $a0 |
| 79 | move $t2,$a0 # save dst |
- | |
| 80 | 81 | ||
| 81 | 0: |
82 | 0: |
| 82 | beq $a2,$zero,2f |
83 | beq $a2, $zero, 2f |
| 83 | move $a3,$zero |
84 | move $a3, $zero |
| 84 | 85 | ||
| 85 | 1: |
86 | 1: |
| 86 | addu $v0,$a1,$a3 |
87 | addu $v0, $a1, $a3 |
| 87 | lbu $a0,0($v0) |
88 | lbu $a0, 0($v0) |
| 88 | addu $v1,$t0,$a3 |
89 | addu $v1, $t0, $a3 |
| 89 | addiu $a3,$a3,1 |
90 | addiu $a3, $a3, 1 |
| 90 | bne $a3,$a2,1b |
91 | bne $a3, $a2, 1b |
| 91 | sb $a0,0($v1) |
92 | sb $a0, 0($v1) |
| 92 | 93 | ||
| 93 | 2: |
94 | 2: |
| 94 | jr $ra |
95 | jr $ra |
| 95 | move $v0,$t2 |
96 | move $v0, $t2 |
| 96 | 97 | ||
| 97 | 3: |
98 | 3: |
| 98 | addiu $v0,$a0,3 |
99 | addiu $v0, $a0, 3 |
| 99 | and $v0,$v0,$v1 |
100 | and $v0, $v0, $v1 |
| 100 | bne $a0,$v0,0b |
101 | bne $a0, $v0, 0b |
| 101 | srl $t1,$a2,2 |
102 | srl $t1, $a2, 2 |
| 102 | 103 | ||
| 103 | beq $t1,$zero,5f |
104 | beq $t1, $zero, 5f |
| 104 | move $a3,$zero |
105 | move $a3, $zero |
| 105 | 106 | ||
| 106 | move $a3,$zero |
107 | move $a3, $zero |
| 107 | move $a0,$zero |
108 | move $a0, $zero |
| - | 109 | ||
| 108 | 4: |
110 | 4: |
| 109 | addu $v0,$a1,$a0 |
111 | addu $v0, $a1, $a0 |
| 110 | lw $v1,0($v0) |
112 | lw $v1, 0($v0) |
| 111 | addiu $a3,$a3,1 |
113 | addiu $a3, $a3, 1 |
| 112 | addu $v0,$t0,$a0 |
114 | addu $v0, $t0, $a0 |
| 113 | sw $v1,0($v0) |
115 | sw $v1, 0($v0) |
| 114 | bne $a3,$t1,4b |
116 | bne $a3, $t1, 4b |
| 115 | addiu $a0,$a0,4 |
117 | addiu $a0, $a0, 4 |
| 116 | 118 | ||
| 117 | 5: |
119 | 5: |
| 118 | andi $a2,$a2,0x3 |
120 | andi $a2, $a2, 0x3 |
| 119 | beq $a2,$zero,2b |
121 | beq $a2, $zero, 2b |
| 120 | nop |
122 | nop |
| 121 | 123 | ||
| 122 | sll $v0,$a3,2 |
124 | sll $v0, $a3, 2 |
| 123 | addu $t1,$v0,$t0 |
125 | addu $t1, $v0, $t0 |
| 124 | move $a3,$zero |
126 | move $a3, $zero |
| 125 | addu $t0,$v0,$a1 |
127 | addu $t0, $v0, $a1 |
| - | 128 | ||
| 126 | 6: |
129 | 6: |
| 127 | addu $v0,$t0,$a3 |
130 | addu $v0, $t0, $a3 |
| 128 | lbu $a0,0($v0) |
131 | lbu $a0, 0($v0) |
| 129 | addu $v1,$t1,$a3 |
132 | addu $v1, $t1, $a3 |
| 130 | addiu $a3,$a3,1 |
133 | addiu $a3, $a3, 1 |
| 131 | bne $a3,$a2,6b |
134 | bne $a3, $a2, 6b |
| 132 | sb $a0,0($v1) |
135 | sb $a0, 0($v1) |
| 133 | 136 | ||
| 134 | jr $ra |
137 | jr $ra |
| 135 | move $v0,$t2 |
138 | move $v0, $t2 |
| 136 | 139 | ||
| 137 | memcpy_from_uspace_failover_address: |
140 | memcpy_from_uspace_failover_address: |
| 138 | memcpy_to_uspace_failover_address: |
141 | memcpy_to_uspace_failover_address: |
| 139 | jr $ra |
142 | jr $ra |
| 140 | move $v0, $zero |
143 | move $v0, $zero |
| 141 | 144 | ||
| 142 | 145 | ||
| 143 | 146 | ||
| 144 | .macro fpu_gp_save reg ctx |
147 | .macro fpu_gp_save reg ctx |
| 145 | mfc1 $t0,$\reg |
148 | mfc1 $t0, $\reg |
| 146 | sw $t0, \reg*4(\ctx) |
149 | sw $t0, \reg * 4(\ctx) |
| 147 | .endm |
150 | .endm |
| 148 | 151 | ||
| 149 | .macro fpu_gp_restore reg ctx |
152 | .macro fpu_gp_restore reg ctx |
| 150 | lw $t0, \reg*4(\ctx) |
153 | lw $t0, \reg * 4(\ctx) |
| 151 | mtc1 $t0,$\reg |
154 | mtc1 $t0, $\reg |
| 152 | .endm |
155 | .endm |
| 153 | 156 | ||
| 154 | .macro fpu_ct_save reg ctx |
157 | .macro fpu_ct_save reg ctx |
| 155 | cfc1 $t0,$1 |
158 | cfc1 $t0, $1 |
| 156 | sw $t0, (\reg+32)*4(\ctx) |
159 | sw $t0, (\reg + 32) * 4(\ctx) |
| 157 | .endm |
160 | .endm |
| 158 | 161 | ||
| 159 | .macro fpu_ct_restore reg ctx |
162 | .macro fpu_ct_restore reg ctx |
| 160 | lw $t0, (\reg+32)*4(\ctx) |
163 | lw $t0, (\reg + 32) * 4(\ctx) |
| 161 | ctc1 $t0,$\reg |
164 | ctc1 $t0, $\reg |
| 162 | .endm |
165 | .endm |
| 163 | 166 | ||
| 164 | 167 | ||
| 165 | .global fpu_context_save |
168 | .global fpu_context_save |
| 166 | fpu_context_save: |
169 | fpu_context_save: |
| 167 | #ifdef CONFIG_FPU |
170 | #ifdef CONFIG_FPU |
| 168 | fpu_gp_save 0,$a0 |
171 | fpu_gp_save 0, $a0 |
| 169 | fpu_gp_save 1,$a0 |
172 | fpu_gp_save 1, $a0 |
| 170 | fpu_gp_save 2,$a0 |
173 | fpu_gp_save 2, $a0 |
| 171 | fpu_gp_save 3,$a0 |
174 | fpu_gp_save 3, $a0 |
| 172 | fpu_gp_save 4,$a0 |
175 | fpu_gp_save 4, $a0 |
| 173 | fpu_gp_save 5,$a0 |
176 | fpu_gp_save 5, $a0 |
| 174 | fpu_gp_save 6,$a0 |
177 | fpu_gp_save 6, $a0 |
| 175 | fpu_gp_save 7,$a0 |
178 | fpu_gp_save 7, $a0 |
| 176 | fpu_gp_save 8,$a0 |
179 | fpu_gp_save 8, $a0 |
| 177 | fpu_gp_save 9,$a0 |
180 | fpu_gp_save 9, $a0 |
| 178 | fpu_gp_save 10,$a0 |
181 | fpu_gp_save 10, $a0 |
| 179 | fpu_gp_save 11,$a0 |
182 | fpu_gp_save 11, $a0 |
| 180 | fpu_gp_save 12,$a0 |
183 | fpu_gp_save 12, $a0 |
| 181 | fpu_gp_save 13,$a0 |
184 | fpu_gp_save 13, $a0 |
| 182 | fpu_gp_save 14,$a0 |
185 | fpu_gp_save 14, $a0 |
| 183 | fpu_gp_save 15,$a0 |
186 | fpu_gp_save 15, $a0 |
| 184 | fpu_gp_save 16,$a0 |
187 | fpu_gp_save 16, $a0 |
| 185 | fpu_gp_save 17,$a0 |
188 | fpu_gp_save 17, $a0 |
| 186 | fpu_gp_save 18,$a0 |
189 | fpu_gp_save 18, $a0 |
| 187 | fpu_gp_save 19,$a0 |
190 | fpu_gp_save 19, $a0 |
| 188 | fpu_gp_save 20,$a0 |
191 | fpu_gp_save 20, $a0 |
| 189 | fpu_gp_save 21,$a0 |
192 | fpu_gp_save 21, $a0 |
| 190 | fpu_gp_save 22,$a0 |
193 | fpu_gp_save 22, $a0 |
| 191 | fpu_gp_save 23,$a0 |
194 | fpu_gp_save 23, $a0 |
| 192 | fpu_gp_save 24,$a0 |
195 | fpu_gp_save 24, $a0 |
| 193 | fpu_gp_save 25,$a0 |
196 | fpu_gp_save 25, $a0 |
| 194 | fpu_gp_save 26,$a0 |
197 | fpu_gp_save 26, $a0 |
| 195 | fpu_gp_save 27,$a0 |
198 | fpu_gp_save 27, $a0 |
| 196 | fpu_gp_save 28,$a0 |
199 | fpu_gp_save 28, $a0 |
| 197 | fpu_gp_save 29,$a0 |
200 | fpu_gp_save 29, $a0 |
| 198 | fpu_gp_save 30,$a0 |
201 | fpu_gp_save 30, $a0 |
| 199 | fpu_gp_save 31,$a0 |
202 | fpu_gp_save 31, $a0 |
| 200 | 203 | ||
| 201 | fpu_ct_save 1,$a0 |
204 | fpu_ct_save 1, $a0 |
| 202 | fpu_ct_save 2,$a0 |
205 | fpu_ct_save 2, $a0 |
| 203 | fpu_ct_save 3,$a0 |
206 | fpu_ct_save 3, $a0 |
| 204 | fpu_ct_save 4,$a0 |
207 | fpu_ct_save 4, $a0 |
| 205 | fpu_ct_save 5,$a0 |
208 | fpu_ct_save 5, $a0 |
| 206 | fpu_ct_save 6,$a0 |
209 | fpu_ct_save 6, $a0 |
| 207 | fpu_ct_save 7,$a0 |
210 | fpu_ct_save 7, $a0 |
| 208 | fpu_ct_save 8,$a0 |
211 | fpu_ct_save 8, $a0 |
| 209 | fpu_ct_save 9,$a0 |
212 | fpu_ct_save 9, $a0 |
| 210 | fpu_ct_save 10,$a0 |
213 | fpu_ct_save 10, $a0 |
| 211 | fpu_ct_save 11,$a0 |
214 | fpu_ct_save 11, $a0 |
| 212 | fpu_ct_save 12,$a0 |
215 | fpu_ct_save 12, $a0 |
| 213 | fpu_ct_save 13,$a0 |
216 | fpu_ct_save 13, $a0 |
| 214 | fpu_ct_save 14,$a0 |
217 | fpu_ct_save 14, $a0 |
| 215 | fpu_ct_save 15,$a0 |
218 | fpu_ct_save 15, $a0 |
| 216 | fpu_ct_save 16,$a0 |
219 | fpu_ct_save 16, $a0 |
| 217 | fpu_ct_save 17,$a0 |
220 | fpu_ct_save 17, $a0 |
| 218 | fpu_ct_save 18,$a0 |
221 | fpu_ct_save 18, $a0 |
| 219 | fpu_ct_save 19,$a0 |
222 | fpu_ct_save 19, $a0 |
| 220 | fpu_ct_save 20,$a0 |
223 | fpu_ct_save 20, $a0 |
| 221 | fpu_ct_save 21,$a0 |
224 | fpu_ct_save 21, $a0 |
| 222 | fpu_ct_save 22,$a0 |
225 | fpu_ct_save 22, $a0 |
| 223 | fpu_ct_save 23,$a0 |
226 | fpu_ct_save 23, $a0 |
| 224 | fpu_ct_save 24,$a0 |
227 | fpu_ct_save 24, $a0 |
| 225 | fpu_ct_save 25,$a0 |
228 | fpu_ct_save 25, $a0 |
| 226 | fpu_ct_save 26,$a0 |
229 | fpu_ct_save 26, $a0 |
| 227 | fpu_ct_save 27,$a0 |
230 | fpu_ct_save 27, $a0 |
| 228 | fpu_ct_save 28,$a0 |
231 | fpu_ct_save 28, $a0 |
| 229 | fpu_ct_save 29,$a0 |
232 | fpu_ct_save 29, $a0 |
| 230 | fpu_ct_save 30,$a0 |
233 | fpu_ct_save 30, $a0 |
| 231 | fpu_ct_save 31,$a0 |
234 | fpu_ct_save 31, $a0 |
| 232 | #endif |
235 | #endif |
| 233 | j $ra |
236 | j $ra |
| 234 | nop |
237 | nop |
| 235 | 238 | ||
| 236 | .global fpu_context_restore |
239 | .global fpu_context_restore |
| 237 | fpu_context_restore: |
240 | fpu_context_restore: |
| 238 | #ifdef CONFIG_FPU |
241 | #ifdef CONFIG_FPU |
| 239 | fpu_gp_restore 0,$a0 |
242 | fpu_gp_restore 0, $a0 |
| 240 | fpu_gp_restore 1,$a0 |
243 | fpu_gp_restore 1, $a0 |
| 241 | fpu_gp_restore 2,$a0 |
244 | fpu_gp_restore 2, $a0 |
| 242 | fpu_gp_restore 3,$a0 |
245 | fpu_gp_restore 3, $a0 |
| 243 | fpu_gp_restore 4,$a0 |
246 | fpu_gp_restore 4, $a0 |
| 244 | fpu_gp_restore 5,$a0 |
247 | fpu_gp_restore 5, $a0 |
| 245 | fpu_gp_restore 6,$a0 |
248 | fpu_gp_restore 6, $a0 |
| 246 | fpu_gp_restore 7,$a0 |
249 | fpu_gp_restore 7, $a0 |
| 247 | fpu_gp_restore 8,$a0 |
250 | fpu_gp_restore 8, $a0 |
| 248 | fpu_gp_restore 9,$a0 |
251 | fpu_gp_restore 9, $a0 |
| 249 | fpu_gp_restore 10,$a0 |
252 | fpu_gp_restore 10, $a0 |
| 250 | fpu_gp_restore 11,$a0 |
253 | fpu_gp_restore 11, $a0 |
| 251 | fpu_gp_restore 12,$a0 |
254 | fpu_gp_restore 12, $a0 |
| 252 | fpu_gp_restore 13,$a0 |
255 | fpu_gp_restore 13, $a0 |
| 253 | fpu_gp_restore 14,$a0 |
256 | fpu_gp_restore 14, $a0 |
| 254 | fpu_gp_restore 15,$a0 |
257 | fpu_gp_restore 15, $a0 |
| 255 | fpu_gp_restore 16,$a0 |
258 | fpu_gp_restore 16, $a0 |
| 256 | fpu_gp_restore 17,$a0 |
259 | fpu_gp_restore 17, $a0 |
| 257 | fpu_gp_restore 18,$a0 |
260 | fpu_gp_restore 18, $a0 |
| 258 | fpu_gp_restore 19,$a0 |
261 | fpu_gp_restore 19, $a0 |
| 259 | fpu_gp_restore 20,$a0 |
262 | fpu_gp_restore 20, $a0 |
| 260 | fpu_gp_restore 21,$a0 |
263 | fpu_gp_restore 21, $a0 |
| 261 | fpu_gp_restore 22,$a0 |
264 | fpu_gp_restore 22, $a0 |
| 262 | fpu_gp_restore 23,$a0 |
265 | fpu_gp_restore 23, $a0 |
| 263 | fpu_gp_restore 24,$a0 |
266 | fpu_gp_restore 24, $a0 |
| 264 | fpu_gp_restore 25,$a0 |
267 | fpu_gp_restore 25, $a0 |
| 265 | fpu_gp_restore 26,$a0 |
268 | fpu_gp_restore 26, $a0 |
| 266 | fpu_gp_restore 27,$a0 |
269 | fpu_gp_restore 27, $a0 |
| 267 | fpu_gp_restore 28,$a0 |
270 | fpu_gp_restore 28, $a0 |
| 268 | fpu_gp_restore 29,$a0 |
271 | fpu_gp_restore 29, $a0 |
| 269 | fpu_gp_restore 30,$a0 |
272 | fpu_gp_restore 30, $a0 |
| 270 | fpu_gp_restore 31,$a0 |
273 | fpu_gp_restore 31, $a0 |
| 271 | 274 | ||
| 272 | fpu_ct_restore 1,$a0 |
275 | fpu_ct_restore 1, $a0 |
| 273 | fpu_ct_restore 2,$a0 |
276 | fpu_ct_restore 2, $a0 |
| 274 | fpu_ct_restore 3,$a0 |
277 | fpu_ct_restore 3, $a0 |
| 275 | fpu_ct_restore 4,$a0 |
278 | fpu_ct_restore 4, $a0 |
| 276 | fpu_ct_restore 5,$a0 |
279 | fpu_ct_restore 5, $a0 |
| 277 | fpu_ct_restore 6,$a0 |
280 | fpu_ct_restore 6, $a0 |
| 278 | fpu_ct_restore 7,$a0 |
281 | fpu_ct_restore 7, $a0 |
| 279 | fpu_ct_restore 8,$a0 |
282 | fpu_ct_restore 8, $a0 |
| 280 | fpu_ct_restore 9,$a0 |
283 | fpu_ct_restore 9, $a0 |
| 281 | fpu_ct_restore 10,$a0 |
284 | fpu_ct_restore 10, $a0 |
| 282 | fpu_ct_restore 11,$a0 |
285 | fpu_ct_restore 11, $a0 |
| 283 | fpu_ct_restore 12,$a0 |
286 | fpu_ct_restore 12, $a0 |
| 284 | fpu_ct_restore 13,$a0 |
287 | fpu_ct_restore 13, $a0 |
| 285 | fpu_ct_restore 14,$a0 |
288 | fpu_ct_restore 14, $a0 |
| 286 | fpu_ct_restore 15,$a0 |
289 | fpu_ct_restore 15, $a0 |
| 287 | fpu_ct_restore 16,$a0 |
290 | fpu_ct_restore 16, $a0 |
| 288 | fpu_ct_restore 17,$a0 |
291 | fpu_ct_restore 17, $a0 |
| 289 | fpu_ct_restore 18,$a0 |
292 | fpu_ct_restore 18, $a0 |
| 290 | fpu_ct_restore 19,$a0 |
293 | fpu_ct_restore 19, $a0 |
| 291 | fpu_ct_restore 20,$a0 |
294 | fpu_ct_restore 20, $a0 |
| 292 | fpu_ct_restore 21,$a0 |
295 | fpu_ct_restore 21, $a0 |
| 293 | fpu_ct_restore 22,$a0 |
296 | fpu_ct_restore 22, $a0 |
| 294 | fpu_ct_restore 23,$a0 |
297 | fpu_ct_restore 23, $a0 |
| 295 | fpu_ct_restore 24,$a0 |
298 | fpu_ct_restore 24, $a0 |
| 296 | fpu_ct_restore 25,$a0 |
299 | fpu_ct_restore 25, $a0 |
| 297 | fpu_ct_restore 26,$a0 |
300 | fpu_ct_restore 26, $a0 |
| 298 | fpu_ct_restore 27,$a0 |
301 | fpu_ct_restore 27, $a0 |
| 299 | fpu_ct_restore 28,$a0 |
302 | fpu_ct_restore 28, $a0 |
| 300 | fpu_ct_restore 29,$a0 |
303 | fpu_ct_restore 29, $a0 |
| 301 | fpu_ct_restore 30,$a0 |
304 | fpu_ct_restore 30, $a0 |
| 302 | fpu_ct_restore 31,$a0 |
305 | fpu_ct_restore 31, $a0 |
| 303 | #endif |
306 | #endif |
| 304 | j $ra |
307 | j $ra |
| 305 | nop |
308 | nop |