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vmm: Don't continue to lookup debug I/O port

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When using an PIO write to 0x80 which is a special case handle that and
then return without going through the resolve.

This removes an extra warning that is reported.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2020-12-03 14:49:32 +00:00 committed by Bo Chen
parent 90ae4676c8
commit 9e6a023f7f
1 changed files with 1 additions and 0 deletions
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vmm/src/vm.rs
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@ -422,6 +422,7 @@ impl VmmOps for VmOps {
fn pio_write(&self, addr: u64, data: &[u8]) -> hypervisor::vm::Result<()> { fn pio_write(&self, addr: u64, data: &[u8]) -> hypervisor::vm::Result<()> {
if addr == DEBUG_IOPORT as u64 && data.len() == 1 { if addr == DEBUG_IOPORT as u64 && data.len() == 1 {
self.log_debug_ioport(data[0]); self.log_debug_ioport(data[0]);
return Ok(());
} }
if let Err(e) = self.io_bus.write(addr, data) { if let Err(e) = self.io_bus.write(addr, data) {