max / alloy

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1	#!/usr/bin/env bash
2	#
3	# vm.sh — boot state/disk.raw headless, with ssh forwarded to $SSH_PORT.
4	#
5	# No qemu monitor socket. The obvious place for one is state/, and under a
6	# session scratch path that exceeds the 108-byte limit a unix socket path has,
7	# which fails with a message about socket paths that reads as unrelated to
8	# anything being done. ssh is the control channel here, so the monitor was
9	# never needed; vmtest keeps one because it drives a ratatui installer through
10	# screendumps and has nothing else to talk to.
11	set -euo pipefail
12
13	# shellcheck source=build/layertest/common.sh
14	. "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common.sh"
15
16	[ -f "$STATE/disk.raw" ] \|\| die "no state/disk.raw; run install-disk.sh first"
17	[ -f "$STATE/OVMF_VARS.fd" ] \|\| cp /usr/share/OVMF/OVMF_VARS_4M.fd "$STATE/OVMF_VARS.fd"
18
19	exec qemu-system-x86_64 \
20	-enable-kvm -machine q35 -cpu host -m 4096 -smp 4 \
21	-drive if=pflash,format=raw,unit=0,readonly=on,file=/usr/share/OVMF/OVMF_CODE_4M.fd \
22	-drive "if=pflash,format=raw,unit=1,file=$STATE/OVMF_VARS.fd" \
23	-drive "file=$STATE/disk.raw,if=virtio,format=raw" \
24	-netdev "user,id=n0,hostfwd=tcp:127.0.0.1:$SSH_PORT-:22" \
25	-device virtio-net-pci,netdev=n0 \
26	-display none \
27	-serial "file:$STATE/serial.log"
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