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# This Source Code Form is subject to the terms of the Mozilla Public License,
# v. 2.0. If a copy of the MPL was not distributed with this file, You can
# obtain one at https://mozilla.org/MPL/2.0/. -}
require 'open3'
require 'rake/clean'
require_relative 'shared'
CLEAN.include(TMP + 'riscv')
LINKER = 'build/rootfs/riscv32-unknown-linux-gnu/bin/ld'
AS = 'build/rootfs/riscv32-unknown-linux-gnu/bin/as'
namespace :test do
test_sources = FileList['tests/vm/*.elna', 'tests/vm/*.s']
compiler = `cabal list-bin elna`.strip
object_directory = TMP + 'riscv/tests'
root_directory = TMP + 'riscv/root'
executable_directory = root_directory + 'tests'
expectation_directory = root_directory + 'expectations'
init = TMP + 'riscv/root/init'
builtin = TMP + 'riscv/builtin.o'
directory root_directory
directory object_directory
directory executable_directory
directory expectation_directory
file builtin => ['tools/builtin.s', object_directory] do |task|
sh AS, '-o', task.name, task.prerequisites.first
end
test_files = test_sources.flat_map do |test_source|
test_basename = File.basename(test_source, '.*')
test_object = object_directory + test_basename.ext('.o')
file test_object => [test_source, object_directory] do |task|
case File.extname(task.prerequisites.first)
when '.s'
sh AS, '-mno-relax', '-o', task.name, task.prerequisites.first
when '.elna'
sh compiler, '--output', task.name, task.prerequisites.first
else
raise "Unknown source file extension #{task.prerequisites.first}"
end
end
test_executable = executable_directory + test_basename
file test_executable => [test_object, executable_directory, builtin] do |task|
objects = task.prerequisites.filter { |prerequisite| File.file? prerequisite }
sh LINKER, '-o', test_executable.to_path, *objects
end
expectation_name = test_basename.ext '.txt'
source_expectation = "tests/expectations/#{expectation_name}"
target_expectation = expectation_directory + expectation_name
file target_expectation => [source_expectation, expectation_directory] do
cp source_expectation, target_expectation
end
[test_executable, target_expectation]
end
file init => [root_directory] do |task|
cp (TMP + 'tools/init'), task.name
end
# Directories should come first.
test_files.unshift executable_directory, expectation_directory, init
file (TMP + 'riscv/root.cpio') => test_files do |task|
root_files = task.prerequisites
.map { |prerequisite| Pathname.new(prerequisite).relative_path_from(root_directory).to_path }
File.open task.name, 'wb' do |cpio_file|
cpio_options = {
chdir: root_directory.to_path
}
cpio_stream = Open3.popen2 'cpio', '-o', '--format=newc', cpio_options do |stdin, stdout, wait_thread|
stdin.write root_files.join("\n")
stdin.close
stdout.each { |chunk| cpio_file.write chunk }
wait_thread.value
end
end
end
task :vm => (TMP + 'riscv/root.cpio') do |task|
kernels = FileList.glob(TMP + 'tools/linux-*/arch/riscv/boot/Image')
sh 'qemu-system-riscv32',
'-nographic',
'-M', 'virt',
'-bios', 'default',
'-kernel', kernels.first,
'-append', 'quiet panic=1',
'-initrd', task.prerequisites.first,
'-no-reboot'
end
end
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