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Fixed few more anomalies with threaded irqs.

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There is a bug that causes the sleeping irq
thread to never wake up. Investigating.
This commit is contained in:
Bahadir Balban
2009-12-13 20:35:04 +02:00
parent 0c4bd69357
commit d85ccdb3fe
10 changed files with 66 additions and 12 deletions
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9
include/l4/arch/arm/exception.h
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@@ -42,17 +42,20 @@ static inline void disable_irqs()
/* Disable the irqs unconditionally, but also keep the previous state such that
* if it was already disabled before the call, the restore call would retain
* this state. */
static inline void irq_local_disable_save(unsigned long *state)
void irq_local_disable_save(unsigned long *state);
#if 0
{
unsigned long temp;
__asm__ __volatile__ (
"mrs %0, cpsr_fc\n"
"orr %1, %0, #0x80\n"
"msr cpsr_fc, %1\n"
"orr %2, %0, #0x80\n"
"msr cpsr_fc, %2\n"
: "=r" (*state)
: "r" (*state),"r" (temp)
);
}
#endif
/* Simply change it back to original state supplied in @flags. This might enable
* or retain disabled state of the irqs for example. Useful for nested calls. */
static inline void irq_local_restore(unsigned long state)