diff options
Diffstat (limited to 'z80irq.h')
| -rw-r--r-- | z80irq.h | 17 |
1 files changed, 9 insertions, 8 deletions
@@ -4,15 +4,15 @@ #include "compiler.h" #include "z80.h" -typedef int (*irq_func)(struct z80_irq *irq); +typedef int (*irq_func) (struct z80_irq * irq); struct z80_irq { irq_func intack; irq_func eoi; - void *pvt; /* Available for user */ - int16_t vector; /* Available for user if intack defined */ - uint8_t prio; /* Priority level */ - bool handled; /* In handler (between INTACK and EOI) */ + void *pvt; /* Available for user */ + int16_t vector; /* Available for user if intack defined */ + uint8_t prio; /* Priority level */ + bool handled; /* In handler (between INTACK and EOI) */ }; #define IRQ(prio, intack, eoi, pvt) \ @@ -21,7 +21,7 @@ struct z80_irq { #define MAX_IRQ 32 extern volatile unsigned int irq_pending; -extern unsigned int irq_mask; /* 0 = inside handler (irq->handled == true) */ +extern unsigned int irq_mask; /* 0 = inside handler (irq->handled == true) */ static inline bool poll_irq(void) { @@ -33,11 +33,12 @@ int z80_intack(void); void z80_eoi(void); static inline void z80_interrupt(struct z80_irq *irq) { - atomic_set_bit(&irq_pending, irq->prio); + atomic_set_bit(&irq_pending, irq->prio); } + static inline void z80_clear_interrupt(struct z80_irq *irq) { - atomic_clear_bit(&irq_pending, irq->prio); + atomic_clear_bit(&irq_pending, irq->prio); } #endif /* Z80IRQ_H */ |