fixed soundblaster output (DMA bug)

[bootcensus] / src / intr.c

diff --git a/src/intr.c b/src/intr.c
index a9bd5f1..e04a177 100644 (file)
--- a/src/intr.c
+++ b/src/intr.c
@@ -116,7 +116,10 @@ struct intr_frame *get_intr_frame(void)
 /* set an interrupt handler function for a particular interrupt */
 void interrupt(int intr_num, intr_func_t func)
 {
+       int iflag = get_intr_flag();
+       disable_intr();
        intr_func[intr_num] = func;
+       set_intr_flag(iflag);
 }
 
 /* this function is called from all interrupt entry points