src/sys/pkg/tests/system-tests/bin/run-emu

#!/bin/bash
# Copyright 2020 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

#### CATEGORY=Run, inspect and debug
### start fuchsia in qemu with a FVM disk
## start fuchsia in qemu with a FVM disk
##
## This command delegates to //zircon/scripts/run-zircon. Flags are documented
## in that script, and can be discovered by passing -h or --help.
##

set -ex

source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)/../../../../../../tools/devshell/lib/image_build_vars.sh" || exit $?
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)/../../../../../../tools/devshell/lib/fvm.sh" || exit $?

trailing_args=()

while (($#)); do
  case "$1" in
    -h|--help)
      fx-command-help
      "${FUCHSIA_DIR}/src/sys/pkg/tests/system-tests/bin/run-zircon" -h
      exit 1
      ;;
    *)
      trailing_args+=("$1")
      ;;
  esac
  shift
done

qemu_dir="${PREBUILT_QEMU_DIR}/bin"
ovmf_dir="${PREBUILT_OVMF_DIR}"

imgdir="$(mktemp -d ${FUCHSIA_BUILD_DIR}/tmp.XXX)"
if [[ ! -d "${imgdir}" ]]; then
  echo >&2 "Failed to create temporary directory"
  exit 1
fi

function cleanup() {
  # want to make sure we kill a long-running qemu if this shell dies.
  local child_pids=$(jobs -p)
  if [[ -n "${child_pids}" ]]; then
    echo >&2 "killing child processes: ${child_pids}"
    # Note: child_pids must be expanded to args here.
    kill ${child_pids} 2> /dev/null
    wait 2> /dev/null
  fi

  rm -rf "${imgdir}"
}
trap cleanup EXIT

# Copy in the OMVF_VARS.fd into our temp directory, which allows EFI data to be
# persisted across reboots.
cp "${ovmf_dir}/OVMF_VARS.fd" "${imgdir}/OVMF_VARS.fd"

# Make sure the OVMF_VARS file is writable.
chmod +w "${imgdir}/OVMF_VARS.fd"

# Ensure that the output is sent to the serial, and that we boot into zedboot.
cat << EOF > "${imgdir}/cmdline.txt"
kernel.serial=legacy
TERM=xterm-256color
kernel.halt-on-panic=true
bootloader.default=zedboot
bootloader.timeout=0
EOF

# Construct a Fuchsia image.
FVM_SIZE=$(( 2 * 1024 * 1024 * 1024))
PARTITION_SIZE=$(( 4 * 1024 * 1024 * 1024))
"${FUCHSIA_BUILD_DIR}/host-tools/make-fuchsia-vol" \
  -cmdline "${imgdir}/cmdline.txt" \
  -resize "$PARTITION_SIZE" \
  -fvm-size "$FVM_SIZE" \
  -abr-size 33554432 \
  "${imgdir}/fuchsia.efi"

# Start the paver in the background.
"${FUCHSIA_BUILD_DIR}/pave.sh" \
  -n 'fuchsia-5254-0063-5e7a' \
  --authorized-keys "$(get-ssh-authkeys)" \
  -1 &

# Launch QEMU.
"${FUCHSIA_DIR}/src/sys/pkg/tests/system-tests/bin/run-zircon" \
  -a "${FUCHSIA_ARCH}" \
  -q "${qemu_dir}" \
  -N \
  -d \
  -D "${imgdir}/fuchsia.efi" \
  --diskfmt=raw \
  "--ovmf-code=${ovmf_dir}/OVMF_CODE.fd" \
  "--ovmf-vars=${imgdir}/OVMF_VARS.fd" \
  "${trailing_args[@]}"

exit $?