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author | rsc <rsc> | 2009-05-31 00:24:11 +0000 |
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committer | rsc <rsc> | 2009-05-31 00:24:11 +0000 |
commit | 74afa70d3051553df46d1ea0d76149a7a86c0a47 (patch) | |
tree | 593b7b00869b161597d2d8b5af76ee09d4cc7c12 /trap.c | |
parent | 0ca9ca0c55922f72dbf324c4ac1aecf8069d1dbe (diff) | |
download | xv6-labs-74afa70d3051553df46d1ea0d76149a7a86c0a47.tar.gz xv6-labs-74afa70d3051553df46d1ea0d76149a7a86c0a47.tar.bz2 xv6-labs-74afa70d3051553df46d1ea0d76149a7a86c0a47.zip |
Add serial port input/output.
Delete parallel port output.
Works well with qemu -nographic mode.
Diffstat (limited to 'trap.c')
-rw-r--r-- | trap.c | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -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); |