106 lines
3.2 KiB
Bash
106 lines
3.2 KiB
Bash
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#!/usr/bin/env bash
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# Boot Ubuntu Core 26 amd64 image in QEMU (UEFI, user networking, SSH on localhost:8022).
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set -euo pipefail
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UC_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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IMG="${UC_ROOT}/artifacts/images-dev/pc.img"
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FIRMWARE_DIR="${UC_ROOT}/artifacts/firmware"
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OVMF_CODE="${OVMF_CODE:-/usr/share/OVMF/OVMF_CODE_4M.secboot.fd}"
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OVMF_VARS_TEMPLATE="${OVMF_VARS_TEMPLATE:-/usr/share/OVMF/OVMF_VARS_4M.ms.fd}"
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OVMF_VARS="${FIRMWARE_DIR}/OVMF_VARS_4M.ms.fd"
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RAM_MB="${RAM_MB:-2048}"
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SMP="${SMP:-2}"
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SSH_PORT="${SSH_PORT:-8022}"
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usage() {
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cat <<'EOF'
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Usage: run-qemu.sh [OPTIONS]
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Boot a UC26 pc.img in QEMU.
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Options:
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--img PATH Disk image (default: artifacts/images-dev/pc.img)
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--stock Use stock image artifacts/images/pc.img (console-conf / Ubuntu SSO)
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--ram MB RAM in MiB (default: 2048)
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--smp N vCPU count (default: 2)
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--ssh-port PORT Host port forwarded to guest :22 (default: 8022)
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--reset-uefi-vars Recopy writable OVMF vars from host template
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-h, --help Show this help
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Dev image (default): SSH after first boot without Ubuntu One:
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ssh -i config/ssh/smo-dev smo@localhost -p 8022
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Stock image (--stock): complete console-conf in the serial console first.
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EOF
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}
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reset_vars=false
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--stock) IMG="${UC_ROOT}/artifacts/images/pc.img"; shift ;;
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--img) IMG="$2"; shift 2 ;;
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--ram) RAM_MB="$2"; shift 2 ;;
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--smp) SMP="$2"; shift 2 ;;
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--ssh-port) SSH_PORT="$2"; shift 2 ;;
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--reset-uefi-vars) reset_vars=true; shift ;;
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-h|--help) usage; exit 0 ;;
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*) echo "Unknown option: $1" >&2; usage >&2; exit 1 ;;
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esac
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done
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if [[ ! -f "$IMG" ]]; then
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echo "Image not found: $IMG" >&2
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echo "Build dev image: scripts/build-dev-image.sh" >&2
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echo "Or stock image: scripts/build-stock-image.sh (then run-qemu.sh --stock)" >&2
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exit 1
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fi
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for f in "$OVMF_CODE" "$OVMF_VARS_TEMPLATE"; do
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if [[ ! -f "$f" ]]; then
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echo "Missing firmware file: $f" >&2
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echo "Install with: sudo apt install ovmf qemu-kvm" >&2
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exit 1
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fi
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done
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if ! command -v qemu-system-x86_64 >/dev/null 2>&1; then
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echo "qemu-system-x86_64 not found. Install with: sudo apt install qemu-kvm" >&2
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exit 1
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fi
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mkdir -p "$FIRMWARE_DIR"
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if [[ "$reset_vars" == true || ! -f "$OVMF_VARS" ]]; then
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cp "$OVMF_VARS_TEMPLATE" "$OVMF_VARS"
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echo "UEFI vars: $OVMF_VARS (fresh copy from template)"
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fi
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kvm_args=()
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if [[ -r /dev/kvm ]]; then
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kvm_args=(-enable-kvm -cpu host)
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else
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echo "Warning: /dev/kvm not available; running without KVM" >&2
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kvm_args=(-cpu max)
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fi
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echo "Image: $IMG"
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echo "RAM: ${RAM_MB}M SMP: $SMP SSH: localhost:${SSH_PORT}"
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exec qemu-system-x86_64 \
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"${kvm_args[@]}" \
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-smp "$SMP" \
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-m "$RAM_MB" \
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-machine q35 \
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-global ICH9-LPC.disable_s3=1 \
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-netdev "user,id=net0,hostfwd=tcp::${SSH_PORT}-:22" \
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-device virtio-net-pci,netdev=net0 \
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-drive "file=${OVMF_CODE},if=pflash,format=raw,unit=0,readonly=on" \
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-drive "file=${OVMF_VARS},if=pflash,format=raw,unit=1" \
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-drive "file=${IMG},if=none,format=raw,id=disk1" \
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-device virtio-blk-pci,drive=disk1,bootindex=1 \
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-serial mon:stdio
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