X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fkern%2Firq.c;h=dba432ef890a2d8af77a5257f9d1fc35db35b113;hb=ba26d23f6c7f0561c4c2197285a1116f85d9d5b9;hp=9b87d69b25420b03798c027adad670524a1ff65f;hpb=cfa8814ca45e8bae9b36713bc534ecb581834016;p=bertos.git diff --git a/bertos/kern/irq.c b/bertos/kern/irq.c index 9b87d69b..dba432ef 100644 --- a/bertos/kern/irq.c +++ b/bertos/kern/irq.c @@ -38,6 +38,7 @@ #include #include +#include #include @@ -52,7 +53,9 @@ static void (*irq_handlers[100])(void); /* signal handler */ void irq_entry(int signum) { +#if CONFIG_KERN_PREEMPT Process * const old_process = CurrentProcess; +#endif irq_handlers[signum](); @@ -61,18 +64,20 @@ void irq_entry(int signum) if (old_process != CurrentProcess) { + IRQ_DISABLE; + TRACEMSG("switching from %p:%s to %p:%s", old_process, old_process ? old_process->monitor.name : "---", - CurrentProcess, CurrentProcess->monitor.name); + CurrentProcess, proc_currentName()); if (old_process) swapcontext(&old_process->context, &CurrentProcess->context); else setcontext(&CurrentProcess->context); - // not reached + IRQ_ENABLE; } - //TRACEMSG("keeping %p:%s", CurrentProcess, CurrentProcess->monitor.name); + TRACEMSG("resuming %p:%s", CurrentProcess, CurrentProcess->monitor.name); #endif // CONFIG_KERN_PREEMPT } @@ -84,6 +89,7 @@ void irq_register(int irq, void (*callback)(void)) void irq_init(void) { struct sigaction act; + act.sa_handler = irq_entry; sigemptyset(&act.sa_mask); //sigaddset(&act.sa_mask, irq);