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authorrsc <rsc>2009-05-31 00:24:11 +0000
committerrsc <rsc>2009-05-31 00:24:11 +0000
commit74afa70d3051553df46d1ea0d76149a7a86c0a47 (patch)
tree593b7b00869b161597d2d8b5af76ee09d4cc7c12 /trap.c
parent0ca9ca0c55922f72dbf324c4ac1aecf8069d1dbe (diff)
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Add serial port input/output.
Delete parallel port output. Works well with qemu -nographic mode.
Diffstat (limited to 'trap.c')
-rw-r--r--trap.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/trap.c b/trap.c
index f35f8de..f95e563 100644
--- a/trap.c
+++ b/trap.c
@@ -62,6 +62,11 @@ trap(struct trapframe *tf)
kbdintr();
lapiceoi();
break;
+ case IRQ_OFFSET + IRQ_COM1:
+ uartintr();
+ lapiceoi();
+ break;
+ case IRQ_OFFSET + 7:
case IRQ_OFFSET + IRQ_SPURIOUS:
cprintf("cpu%d: spurious interrupt at %x:%x\n",
cpu(), tf->cs, tf->eip);