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Blackfin: reuse evt_evt14 handler to perform irqtail epilogue 

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Philippe Gerum 2009-06-22 18:24:02 +02:00 committed by Mike Frysinger
parent 9703a73c98
commit fc9afb997f
1 changed files with 1 additions and 23 deletions
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24
arch/blackfin/mach-common/interrupt.S
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@ -276,33 +276,11 @@ ENTRY(___ipipe_call_irqtail)
( r7:4, p5:3 ) = [sp++];
rets = [sp++];
[--sp] = reti;
reti = [sp++]; /* IRQs are off. */
r0.h = 3f;
r0.l = 3f;
p0.l = lo(EVT14);
p0.h = hi(EVT14);
[p0] = r0;
csync;
r0 = 0x401f (z);
sti r0;
raise 14;
[--sp] = reti; /* IRQs on. */
raise 14; /* Branches to _evt_evt14 */
2:
jump 2b; /* Likely paranoid. */
3:
sp += 4; /* Discard saved RETI */
r0.h = _evt14_softirq;
r0.l = _evt14_softirq;
p0.l = lo(EVT14);
p0.h = hi(EVT14);
[p0] = r0;
csync;
p0.l = _bfin_irq_flags;
p0.h = _bfin_irq_flags;
r0 = [p0];
sti r0;
rts;
ENDPROC(___ipipe_call_irqtail)
#endif /* CONFIG_IPIPE */