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#!/usr/bin/env python3
import os
import shutil
import subprocess
import sys
import tempfile
from pathlib import Path
TARGET_AARCH64 = 'aarch64-unknown-uefi'
TARGET_I686 = 'i686-unknown-uefi'
TARGET_X86_64 = 'x86_64-unknown-uefi'
def run(*cmd, capture=False, check=True, env=None, timeout=None):
"""Print and run a command, optionally capturing the output."""
cmd = [str(p) for p in cmd]
print(' '.join(cmd))
return subprocess.run(cmd,
capture_output=capture,
check=check,
env=env,
text=True,
timeout=timeout)
def build_and_run(tmp_dir, target):
if target == TARGET_AARCH64:
boot_file_name = 'bootaa64.efi'
ovmf_dir = Path('/usr/share/AAVMF')
ovmf_code = 'AAVMF_CODE.fd'
ovmf_vars = 'AAVMF_VARS.fd'
qemu = 'qemu-system-aarch64'
machine = 'virt'
cpu = 'cortex-a72'
elif target == TARGET_I686:
boot_file_name = 'bootia32.efi'
ovmf_dir = Path('/usr/share/OVMF')
ovmf_code = 'OVMF32_CODE_4M.secboot.fd'
ovmf_vars = 'OVMF32_VARS_4M.fd'
# The i686 target intentionally uses 64-bit qemu; the important
# difference is that the OVMF code provides a 32-bit environment.
qemu = 'qemu-system-x86_64'
machine = 'q35'
cpu = 'qemu64'
elif target == TARGET_X86_64:
boot_file_name = 'bootx64.efi'
ovmf_dir = Path('/usr/share/OVMF')
ovmf_code = 'OVMF_CODE.fd'
ovmf_vars = 'OVMF_VARS.fd'
qemu = 'qemu-system-x86_64'
machine = 'q35'
cpu = 'qemu64'
else:
raise KeyError('invalid target')
host_artifacts = Path('/checkout/obj/build/x86_64-unknown-linux-gnu')
stage0 = host_artifacts / 'stage0/bin'
stage2 = host_artifacts / 'stage2/bin'
env = dict(os.environ)
env['PATH'] = '{}:{}:{}'.format(stage2, stage0, env['PATH'])
# Copy the test create into `tmp_dir`.
test_crate = Path(tmp_dir) / 'uefi_qemu_test'
shutil.copytree('/uefi_qemu_test', test_crate)
# Build the UEFI executable.
run('cargo',
'build',
'--manifest-path',
test_crate / 'Cargo.toml',
'--target',
target,
env=env)
# Create a mock EFI System Partition in a subdirectory.
esp = test_crate / 'esp'
boot = esp / 'efi/boot'
os.makedirs(boot, exist_ok=True)
# Copy the executable into the ESP.
src_exe_path = test_crate / 'target' / target / 'debug/uefi_qemu_test.efi'
shutil.copy(src_exe_path, boot / boot_file_name)
print(src_exe_path, boot / boot_file_name)
# Select the appropriate EDK2 build.
ovmf_code = ovmf_dir / ovmf_code
ovmf_vars = ovmf_dir / ovmf_vars
# Make a writable copy of the vars file. aarch64 doesn't boot
# correctly with read-only vars.
ovmf_rw_vars = Path(tmp_dir) / 'vars.fd'
shutil.copy(ovmf_vars, ovmf_rw_vars)
# Run the executable in QEMU and capture the output.
output = run(qemu,
'-machine',
machine,
'-cpu',
cpu,
'-display',
'none',
'-serial',
'stdio',
'-drive',
f'if=pflash,format=raw,readonly=on,file={ovmf_code}',
'-drive',
f'if=pflash,format=raw,readonly=off,file={ovmf_rw_vars}',
'-drive',
f'format=raw,file=fat:rw:{esp}',
capture=True,
# Ubuntu 20.04 (which is what the Dockerfile currently
# uses) provides QEMU 4.2.1, which segfaults on
# shutdown under some circumstances. That has been
# fixed in newer versions of QEMU, but for now just
# don't check the exit status.
check=False,
# Set a timeout to kill the VM in case something goes wrong.
timeout=60).stdout
if 'Hello World!' in output:
print('VM produced expected output')
else:
print('unexpected VM output:')
print('---start---')
print(output)
print('---end---')
sys.exit(1)
def main():
targets = [TARGET_AARCH64, TARGET_I686, TARGET_X86_64]
for target in targets:
# Create a temporary directory so that we have a writeable
# workspace.
with tempfile.TemporaryDirectory() as tmp_dir:
build_and_run(tmp_dir, target)
if __name__ == "__main__":
main()
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