118 lines
3.5 KiB
Ruby
118 lines
3.5 KiB
Ruby
# This Source Code Form is subject to the terms of the Mozilla Public License,
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# v. 2.0. If a copy of the MPL was not distributed with this file, You can
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# obtain one at https://mozilla.org/MPL/2.0/.
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# frozen_string_literal: true
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require 'open3'
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require 'pathname'
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require 'rake/clean'
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require 'asciidoctor-pdf'
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STAGES = Dir.glob('boot/stage*')
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.collect { |stage| File.basename stage }
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.sort { |a, b| a.delete_prefix('stage').to_i <=> b.delete_prefix('stage').to_i }
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.drop(1) # First assembly stage does not count.
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CLEAN.include 'build/boot', 'build/valid'
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CLEAN.include 'doc/*.pdf'
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CLOBBER.include 'build'
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def run(exe)
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ENV.fetch('QEMU', '').split << exe
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end
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task default: :boot
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desc 'Final stage'
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task boot: "build/valid/#{STAGES.last}/cl"
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task boot: "boot/#{STAGES.last}/cl.elna" do |t|
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groupped = t.prerequisites.group_by { |stage| File.extname stage }.transform_values(&:first)
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exe = groupped['']
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expected = groupped[''] + '.s'
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source = groupped['.elna']
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cat_arguments = ['cat', source]
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diff_arguments = ['diff', '-Nur', '--text', expected, '-']
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Open3.pipeline(cat_arguments, run(exe), diff_arguments)
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end
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desc 'Convert previous stage language into the current stage language'
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task :convert do
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File.open('boot/stage18/cl.elna', 'w') do |current_stage|
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File.readlines('boot/stage17/cl.elna').each do |line|
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current_stage << line
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end
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end
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end
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file "build/valid/#{STAGES.last}/cl" => 'build/build.ninja' do |t|
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sh 'ninja', '-f', t.prerequisites.first
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end
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file 'build/build.ninja' => ['build'] do |t|
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File.open t.name, 'w' do |f|
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f << <<~NINJA
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builddir = build
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cflags = -fpie -g
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rule cc
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command = gcc $cflags -nostdlib -o $out $in
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rule as
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command = gcc $cflags -c -o $out $in
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rule link1
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command = ld -o $out $in
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rule link2
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command = ld -o $out --dynamic-linker /lib32/ld-linux-riscv32-ilp32d.so.1 /usr/lib/crt1.o /usr/lib/crti.o -lc $in /usr/lib/crtn.o
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rule bootstrap
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command = $bootstrap < \$in > \$out
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NINJA
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f << <<~NINJA
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build build/boot/stage1/cl: cc boot/stage1.s
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build build/valid/stage1/cl.s: bootstrap boot/stage1.s | build/boot/stage1/cl
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bootstrap = build/boot/stage1/cl
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build build/valid/stage1/cl.o: as build/valid/stage1/cl.s
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build build/valid/stage1/cl: link1 build/valid/stage1/cl.o
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NINJA
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STAGES.each do |stage|
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stage_number = stage.delete_prefix('stage').to_i
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arguments_path = Pathname.new('boot') + stage + 'linker.arg'
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if arguments_path.exist?
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link = 'link2'
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else
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link = 'link1'
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end
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boot_stage = "build/boot/stage#{stage_number}"
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valid_stage = "build/valid/stage#{stage_number}"
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f << <<~NINJA
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build #{boot_stage}/cl.s: bootstrap boot/stage#{stage_number}/cl.elna | build/valid/stage#{stage_number.pred}/cl
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bootstrap = build/valid/stage#{stage_number.pred}/cl
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build #{boot_stage}/cl.o: as #{boot_stage}/cl.s
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build #{boot_stage}/cl: #{link} #{boot_stage}/cl.o
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build #{valid_stage}/cl.s: bootstrap boot/stage#{stage_number}/cl.elna | #{boot_stage}/cl
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bootstrap = build/boot/stage#{stage_number}/cl
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build #{valid_stage}/cl.o: as #{valid_stage}/cl.s
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build #{valid_stage}/cl: #{link} #{valid_stage}/cl.o
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NINJA
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end
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f << "\ndefault build/valid/stage18/cl\n"
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end
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end
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rule '.pdf' => '.adoc' do |t|
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Asciidoctor.convert_file t.source, backend: 'pdf', safe: :safe
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end
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desc 'Generate documentation'
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task doc: 'doc/language.pdf'
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