#!/bin/bash
# Boots IMAGE headless and waits for init's SMP self-test to report; the
# machine halts itself when done. Exit 0 only on "SMPTEST PASS".
set -uo pipefail

IMAGE="${1:?usage: test-qemu.sh IMAGE}"
SMP="${SMP:-4}"
KERNEL="target/riscv64gc-unknown-none-elf/release/adapter-riscv"
LOG="$(mktemp -t kos-test-qemu.XXXXXX)"

timeout ${QT:-120} qemu-system-riscv64 -machine virt -smp "${SMP}" -bios default \
    -kernel "${KERNEL}" \
    -drive "file=${IMAGE},if=none,format=raw,id=hd0" -device virtio-blk-device,drive=hd0 \
    -device virtio-gpu-device -device virtio-keyboard-device \
    -display none -serial "file:${LOG}" -monitor none
status=$?

grep -a "smptest:\|SMPTEST" "${LOG}"
if grep -aq "SMPTEST PASS" "${LOG}"; then
    echo "test-qemu: pass (${SMP} harts)"
    rm -f "${LOG}"
    exit 0
fi
[ "${status}" -eq 124 ] && echo "test-qemu: timed out"
echo "test-qemu: FAIL, last serial output (${LOG}):"
tail -20 "${LOG}"
exit 1