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-rw-r--r--arch/m68k/kernel/entry.S40
1 files changed, 4 insertions, 36 deletions
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index a78f5649e8de..b54ac7aba850 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -45,7 +45,7 @@
45.globl system_call, buserr, trap, resume 45.globl system_call, buserr, trap, resume
46.globl sys_call_table 46.globl sys_call_table
47.globl __sys_fork, __sys_clone, __sys_vfork 47.globl __sys_fork, __sys_clone, __sys_vfork
48.globl ret_from_interrupt, bad_interrupt 48.globl bad_interrupt
49.globl auto_irqhandler_fixup 49.globl auto_irqhandler_fixup
50.globl user_irqvec_fixup 50.globl user_irqvec_fixup
51 51
@@ -275,8 +275,6 @@ do_delayed_trace:
275ENTRY(auto_inthandler) 275ENTRY(auto_inthandler)
276 SAVE_ALL_INT 276 SAVE_ALL_INT
277 GET_CURRENT(%d0) 277 GET_CURRENT(%d0)
278 movel %d0,%a1
279 addqb #1,%a1@(TINFO_PREEMPT+1)
280 | put exception # in d0 278 | put exception # in d0
281 bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0 279 bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0
282 subw #VEC_SPUR,%d0 280 subw #VEC_SPUR,%d0
@@ -286,32 +284,13 @@ ENTRY(auto_inthandler)
286auto_irqhandler_fixup = . + 2 284auto_irqhandler_fixup = . + 2
287 jsr do_IRQ | process the IRQ 285 jsr do_IRQ | process the IRQ
288 addql #8,%sp | pop parameters off stack 286 addql #8,%sp | pop parameters off stack
289 287 jra ret_from_exception
290ret_from_interrupt:
291 movel %curptr@(TASK_STACK),%a1
292 subqb #1,%a1@(TINFO_PREEMPT+1)
293 jeq ret_from_last_interrupt
2942: RESTORE_ALL
295
296 ALIGN
297ret_from_last_interrupt:
298 moveq #(~ALLOWINT>>8)&0xff,%d0
299 andb %sp@(PT_OFF_SR),%d0
300 jne 2b
301
302 /* check if we need to do software interrupts */
303 tstl irq_stat+CPUSTAT_SOFTIRQ_PENDING
304 jeq .Lret_from_exception
305 pea ret_from_exception
306 jra do_softirq
307 288
308/* Handler for user defined interrupt vectors */ 289/* Handler for user defined interrupt vectors */
309 290
310ENTRY(user_inthandler) 291ENTRY(user_inthandler)
311 SAVE_ALL_INT 292 SAVE_ALL_INT
312 GET_CURRENT(%d0) 293 GET_CURRENT(%d0)
313 movel %d0,%a1
314 addqb #1,%a1@(TINFO_PREEMPT+1)
315 | put exception # in d0 294 | put exception # in d0
316 bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0 295 bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0
317user_irqvec_fixup = . + 2 296user_irqvec_fixup = . + 2
@@ -321,29 +300,18 @@ user_irqvec_fixup = . + 2
321 movel %d0,%sp@- | put vector # on stack 300 movel %d0,%sp@- | put vector # on stack
322 jsr do_IRQ | process the IRQ 301 jsr do_IRQ | process the IRQ
323 addql #8,%sp | pop parameters off stack 302 addql #8,%sp | pop parameters off stack
324 303 jra ret_from_exception
325 movel %curptr@(TASK_STACK),%a1
326 subqb #1,%a1@(TINFO_PREEMPT+1)
327 jeq ret_from_last_interrupt
328 RESTORE_ALL
329 304
330/* Handler for uninitialized and spurious interrupts */ 305/* Handler for uninitialized and spurious interrupts */
331 306
332ENTRY(bad_inthandler) 307ENTRY(bad_inthandler)
333 SAVE_ALL_INT 308 SAVE_ALL_INT
334 GET_CURRENT(%d0) 309 GET_CURRENT(%d0)
335 movel %d0,%a1
336 addqb #1,%a1@(TINFO_PREEMPT+1)
337 310
338 movel %sp,%sp@- 311 movel %sp,%sp@-
339 jsr handle_badint 312 jsr handle_badint
340 addql #4,%sp 313 addql #4,%sp
341 314 jra ret_from_exception
342 movel %curptr@(TASK_STACK),%a1
343 subqb #1,%a1@(TINFO_PREEMPT+1)
344 jeq ret_from_last_interrupt
345 RESTORE_ALL
346
347 315
348resume: 316resume:
349 /* 317 /*