IRQ: Made the hook structure private

[simavr] / simavr / sim / sim_irq.c

diff --git a/simavr/sim/sim_irq.c b/simavr/sim/sim_irq.c
index 8faff3f..54e319b 100644 (file)
--- a/simavr/sim/sim_irq.c
+++ b/simavr/sim/sim_irq.c
@@ -24,6 +24,15 @@
 #include <string.h>
 #include "sim_irq.h"
 
+// internal structure for a hook, never seen by the notify procs
+typedef struct avr_irq_hook_t {
+       struct avr_irq_hook_t * next;
+       int busy;       // prevent reentrance of callbacks
+       
+       struct avr_irq_t * chain;       // raise the IRQ on this too - optional if "notify" is on
+       avr_irq_notify_t notify;        // called when IRQ is raised - optional if "chain" is on
+       void * param;                           // "notify" parameter
+} avr_irq_hook_t;
 
 void avr_init_irq(avr_irq_t * irq, uint32_t base, uint32_t count)
 {