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feat: VirtIO keyboard input for QEMU GUI

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- Add VirtIO input device driver (device ID 18) reading from eventq
- Translate Linux keycodes (WASD, arrows) to InputEvent
- Kernel probes for VirtIO input device, falls back to UART
- Add -device virtio-keyboard-device to run-gui Makefile target
- input-qemu tries VirtIO first, falls back to UART
This commit is contained in:
Gabriel Kaszewski
2026-10-19 00:30:20 +02:00
parent 68849f698b
commit 0a47b5489a
9 changed files with 259 additions and 12 deletions
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crates/hw-virtio/src/mmio.rs
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@@ -26,6 +26,7 @@ pub const STATUS_DRIVER_OK: u32 = 4;
pub const DEVICE_ID_BLOCK: u32 = 2;
pub const DEVICE_ID_GPU: u32 = 16;
pub const DEVICE_ID_INPUT: u32 = 18;
pub const PAGE_SIZE: usize = 4096;