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-rw-r--r--arch/xtensa/kernel/coprocessor.S20
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S
index 2bc1e145c0a4..54c3be313bfa 100644
--- a/arch/xtensa/kernel/coprocessor.S
+++ b/arch/xtensa/kernel/coprocessor.S
@@ -43,7 +43,7 @@
43/* IO protection is currently unsupported. */ 43/* IO protection is currently unsupported. */
44 44
45ENTRY(fast_io_protect) 45ENTRY(fast_io_protect)
46 wsr a0, EXCSAVE_1 46 wsr a0, excsave1
47 movi a0, unrecoverable_exception 47 movi a0, unrecoverable_exception
48 callx0 a0 48 callx0 a0
49 49
@@ -220,7 +220,7 @@ ENTRY(coprocessor_restore)
220 */ 220 */
221 221
222ENTRY(fast_coprocessor_double) 222ENTRY(fast_coprocessor_double)
223 wsr a0, EXCSAVE_1 223 wsr a0, excsave1
224 movi a0, unrecoverable_exception 224 movi a0, unrecoverable_exception
225 callx0 a0 225 callx0 a0
226 226
@@ -229,13 +229,13 @@ ENTRY(fast_coprocessor)
229 229
230 /* Save remaining registers a1-a3 and SAR */ 230 /* Save remaining registers a1-a3 and SAR */
231 231
232 xsr a3, EXCSAVE_1 232 xsr a3, excsave1
233 s32i a3, a2, PT_AREG3 233 s32i a3, a2, PT_AREG3
234 rsr a3, SAR 234 rsr a3, sar
235 s32i a1, a2, PT_AREG1 235 s32i a1, a2, PT_AREG1
236 s32i a3, a2, PT_SAR 236 s32i a3, a2, PT_SAR
237 mov a1, a2 237 mov a1, a2
238 rsr a2, DEPC 238 rsr a2, depc
239 s32i a2, a1, PT_AREG2 239 s32i a2, a1, PT_AREG2
240 240
241 /* 241 /*
@@ -248,17 +248,17 @@ ENTRY(fast_coprocessor)
248 248
249 /* Find coprocessor number. Subtract first CP EXCCAUSE from EXCCAUSE */ 249 /* Find coprocessor number. Subtract first CP EXCCAUSE from EXCCAUSE */
250 250
251 rsr a3, EXCCAUSE 251 rsr a3, exccause
252 addi a3, a3, -EXCCAUSE_COPROCESSOR0_DISABLED 252 addi a3, a3, -EXCCAUSE_COPROCESSOR0_DISABLED
253 253
254 /* Set corresponding CPENABLE bit -> (sar:cp-index, a3: 1<<cp-index)*/ 254 /* Set corresponding CPENABLE bit -> (sar:cp-index, a3: 1<<cp-index)*/
255 255
256 ssl a3 # SAR: 32 - coprocessor_number 256 ssl a3 # SAR: 32 - coprocessor_number
257 movi a2, 1 257 movi a2, 1
258 rsr a0, CPENABLE 258 rsr a0, cpenable
259 sll a2, a2 259 sll a2, a2
260 or a0, a0, a2 260 or a0, a0, a2
261 wsr a0, CPENABLE 261 wsr a0, cpenable
262 rsync 262 rsync
263 263
264 /* Retrieve previous owner. (a3 still holds CP number) */ 264 /* Retrieve previous owner. (a3 still holds CP number) */
@@ -291,7 +291,7 @@ ENTRY(fast_coprocessor)
291 291
292 /* Note that only a0 and a1 were preserved. */ 292 /* Note that only a0 and a1 were preserved. */
293 293
2942: rsr a3, EXCCAUSE 2942: rsr a3, exccause
295 addi a3, a3, -EXCCAUSE_COPROCESSOR0_DISABLED 295 addi a3, a3, -EXCCAUSE_COPROCESSOR0_DISABLED
296 movi a0, coprocessor_owner 296 movi a0, coprocessor_owner
297 addx4 a0, a3, a0 297 addx4 a0, a3, a0
@@ -321,7 +321,7 @@ ENTRY(fast_coprocessor)
321 l32i a0, a1, PT_SAR 321 l32i a0, a1, PT_SAR
322 l32i a3, a1, PT_AREG3 322 l32i a3, a1, PT_AREG3
323 l32i a2, a1, PT_AREG2 323 l32i a2, a1, PT_AREG2
324 wsr a0, SAR 324 wsr a0, sar
325 l32i a0, a1, PT_AREG0 325 l32i a0, a1, PT_AREG0
326 l32i a1, a1, PT_AREG1 326 l32i a1, a1, PT_AREG1
327 327