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#!/usr/bin/env bash
#
# scripts/tests/test-usb.sh — USB host-controller + HID regression.
#
# Boots twice, once with an EHCI (USB2) controller and once with an xHCI
# (USB3) controller, each with a HID mouse and keyboard:
#
# • both devices must enumerate and arm their interrupt-IN endpoints
# • a keyboard report must be decoded (scancode path)
# • the key must reach the shell (WM input routing)
#
# QEMU limitation: its EHCI model delivers only the *first* report for a
# full/low-speed device serviced by root-port split transactions, so the EHCI
# case asserts one key end-to-end (a regression in enumeration/arming fails
# earlier). The xHCI case has no splits and asserts a whole typed command.
# Mouse report delivery cannot be injected into usb-mouse headless; the
# hardware run (OptiPlex) is the arbiter for both.
#
# Usage: ./scripts/tests/test-usb.sh
# Env: SYSTEM_IMG, OVMF, QEMU (see scripts/lib.sh)
#
set -euo pipefail
source "$(dirname "$0")/../lib.sh"
echo "==> 1/3 build (kernel + bins)"
build_all
echo "==> 2/3 stage system image"
stage_image --force
# Per-controller log/socket files; test_boot() reads these globals.
case_boot() {
local name="$1"
shift
LOG="/tmp/rsdos-usb-$name-serial.log"
SOCK="/tmp/rsdos-usb-$name-qmon.sock"
QPID="/tmp/rsdos-usb-$name-qpid"
QLOG="/tmp/rsdos-usb-$name-qemu.log"
test_boot "$@"
}
case_arms() {
wait_log "$LOG" "HID mouse armed" 20 || fail "$1: mouse not enumerated"
wait_log "$LOG" "HID keyboard armed" 20 || fail "$1: keyboard not enumerated"
sleep 1
}
case_done() {
kill "$(cat "$QPID" 2>/dev/null)" 2>/dev/null || true
sleep 0.5
echo " $1: mouse + keyboard OK"
}
echo "==> 3/3 EHCI (USB2) enumeration"
case_boot ehci \
-device usb-ehci,id=ehci \
-device usb-mouse,bus=ehci.0,port=1 \
-device usb-kbd,bus=ehci.0,port=2
case_arms ehci
sendkeys "h"
wait_log "$LOG" "kbd report" 10 || fail "ehci: no keyboard report decoded"
tr -d '\r' < "$LOG" | grep -qx "h" || fail "ehci: typed key did not reach the shell"
case_done ehci
echo "==> 3/3 xHCI (USB3) enumeration"
case_boot xhci \
-device qemu-xhci,id=xhci \
-device usb-mouse,bus=xhci.0 \
-device usb-kbd,bus=xhci.0
case_arms xhci
sendkeys "he"
wait_log "$LOG" "kbd report" 10 || fail "xhci: no keyboard report decoded"
wait_log "$LOG" "unknown command: he" 15 || fail "xhci: typed text did not reach the shell"
case_done xhci
echo ""
echo "PASS — USB enumeration + HID input (EHCI and xHCI)"
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