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#!/usr/bin/env bash
#
# scripts/test-mouse.sh — automated PS/2 mouse round trip.
#
# Builds the kernel, boots QEMU headless, injects mouse movement and
# button presses through the monitor's `mouse_move` / `mouse_button`
# commands, and verifies the guest decoded them via IRQ12 → ring →
# packet decoder. Covers both surfaces:
# - `cat /dev/mouse` (VFS snapshot of pending events)
# - `mouse` (live streaming command, stopped by ^C)
#
# Usage:
# ./scripts/test-mouse.sh
#
# Environment:
# OVMF firmware (default: /usr/share/edk2/x64/OVMF.4m.fd)
# QEMU qemu binary (default: qemu-system-x86_64)
#
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
cd "$PROJECT_DIR"
OVMF="${OVMF:-/usr/share/edk2/x64/OVMF.4m.fd}"
QEMU="${QEMU:-qemu-system-x86_64}"
ESP_DIR="$PROJECT_DIR/esp"
QPID=/tmp/rsdos-mouse-qpid
SOCK=/tmp/rsdos-mouse-qmon.sock
LOG=/tmp/rsdos-mouse-serial.log
QLOG=/tmp/rsdos-mouse-qemu.log
# Never leave a QEMU behind.
trap 'kill "$(cat "$QPID" 2>/dev/null)" 2>/dev/null || true' EXIT
fail() {
echo "FAIL: $1"
[ -f "$LOG" ] && tail -20 "$LOG"
exit 1
}
# wait_log FILE PATTERN TIMEOUT-SECONDS
wait_log() {
local i=0
while [ "$i" -lt $((${3:-60} * 10)) ]; do
grep -q "$2" "$1" 2>/dev/null && return 0
sleep 0.1
i=$((i + 1))
done
return 1
}
# wait_qemu_exit TIMEOUT-SECONDS
wait_qemu_exit() {
local i=0
while [ "$i" -lt $((${1:-30} * 10)) ]; do
kill -0 "$(cat "$QPID" 2>/dev/null)" 2>/dev/null || return 0
sleep 0.1
i=$((i + 1))
done
return 1
}
# qemu_hmp — send one raw HMP command to the monitor socket.
qemu_hmp() {
python3 - "$SOCK" "$1" <<'EOF'
import socket, sys, time
s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
s.connect(sys.argv[1])
s.sendall((sys.argv[2] + "\n").encode())
time.sleep(0.4)
EOF
}
echo "==> 1/5 build kernel (debug)"
cargo build --package rsdos --target x86_64-unknown-uefi
echo "==> 2/5 deploy to ESP"
mkdir -p "$ESP_DIR/EFI/BOOT"
cp target/x86_64-unknown-uefi/debug/rsdos.efi "$ESP_DIR/EFI/BOOT/BOOTX64.EFI"
echo "==> 3/5 boot QEMU (headless)"
kill "$(cat "$QPID" 2>/dev/null)" 2>/dev/null || true
sleep 1
rm -f "$SOCK" "$LOG"
"$QEMU" -bios "$OVMF" \
-drive file=fat:rw:"$ESP_DIR",format=raw \
-serial file:"$LOG" \
-monitor unix:"$SOCK",server,nowait \
-m 256M -machine q35 -cpu qemu64 -no-reboot -display none \
>"$QLOG" 2>&1 &
echo $! >"$QPID"
wait_log "$LOG" "boot: entering shell" 90 || fail "kernel never reached the shell"
grep -aq "ps2: mouse ready" "$LOG" || fail "mouse driver did not come up at boot"
# Seed a move *before* any consumer runs, so `cat /dev/mouse` has a
# queued event to drain (exercises the VFS snapshot path).
qemu_hmp "mouse_move 8 4"
echo "==> 4/5 drive the shell (cat /dev/mouse, mouse stream, poweroff)"
python3 "$SCRIPT_DIR/sendkeys.py" --sock "$SOCK" \
"cat /dev/mouse" \
"mouse"
# While the `mouse` stream is live: a move, a left-press, a move with the
# button held, then release — the button state must ride along on the
# movement packet.
qemu_hmp "mouse_move 20 7"
qemu_hmp "mouse_button 1"
qemu_hmp "mouse_move -5 -3"
qemu_hmp "mouse_button 0"
qemu_hmp "sendkey ctrl-c"
python3 "$SCRIPT_DIR/sendkeys.py" --sock "$SOCK" \
"poweroff"
echo "==> 5/5 wait for shutdown + verify"
wait_qemu_exit 30 || fail "QEMU did not exit after poweroff"
grep -aq "ps2: mouse ready (IRQ12, stream mode)" "$LOG" || fail "no mouse-ready boot line"
grep -aq "dx=+8 dy=+4 buttons=---" "$LOG" || fail "/dev/mouse did not drain the queued move (dx=+8 dy=+4)"
grep -aq "dx=+20 dy=+7 buttons=---" "$LOG" || fail "mouse stream missed mouse_move 20 7"
grep -aq "dx=+0 dy=+0 buttons=L--" "$LOG" || fail "left-button press did not decode"
grep -aq "dx=-5 dy=-3 buttons=L--" "$LOG" || fail "held-button movement wrong (dx=-5 dy=-3 L)"
grep -aq "mouse: stopped" "$LOG" || fail "^C did not stop the mouse stream"
echo ""
echo "PASS — PS/2 mouse round trip OK (IRQ12, /dev/mouse, live stream, buttons)"
echo " events: 8,4 · 20,7 · L-press · -5,-3 held · release"
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