Update to rscons 3.0.0
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josh committed
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@@ -1,7 +1,7 @@
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path_prepend "i686-elf-gcc/i686-elf-gcc/bin"
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path_prepend "i686-elf-gcc/bin"
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configure do
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rscons "i686-elf-gcc"
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rscons "i686-elf-gcc.rb", "-b", "#{build_dir}/i686-elf-gcc"
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check_c_compiler "i686-elf-gcc"
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check_program "genext2fs"
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check_program "grub-mkstandalone"
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@@ -10,146 +10,157 @@ configure do
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check_cfg package: "freetype2", on_fail: "Install libfreetype-dev", use: "freetype"
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end
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build do
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require "tmpdir"
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require "tmpdir"
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# EFI (w/ GRUB) partition size (MiB)
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EFI_PART_SIZE = 8
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# HOS partition size (MiB)
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HOS_PART_SIZE = 4
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# Kernel default font size
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KFONT_SIZE = 15
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# EFI (w/ GRUB) partition size (MiB)
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EFI_PART_SIZE = 8
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# HOS partition size (MiB)
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HOS_PART_SIZE = 4
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# Kernel default font size
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KFONT_SIZE = 15
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class BiosImage < Builder
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def run(options)
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unless @cache.up_to_date?(@target, nil, @sources, @env)
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print_run_message("Generating BIOS boot image #{@target}", nil)
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Dir.mktmpdir do |tmpdir|
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# Create iso directory.
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FileUtils.mkdir_p("#{tmpdir}/iso/boot/grub")
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File.open("#{tmpdir}/iso/boot/grub/grub.cfg", "wb") do |fh|
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fh.write(<<EOF)
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class BiosImage < Builder
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def run(options)
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unless @cache.up_to_date?(@target, nil, @sources, @env)
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print_run_message("Generating BIOS boot image #{@target}", nil)
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Dir.mktmpdir do |tmpdir|
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# Create iso directory.
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FileUtils.mkdir_p("#{tmpdir}/iso/boot/grub")
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File.open("#{tmpdir}/iso/boot/grub/grub.cfg", "wb") do |fh|
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fh.write(<<EOF)
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set default="0"
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set timeout=1
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menuentry "HOS" {
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insmod multiboot2
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multiboot2 /hos.elf
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insmod multiboot2
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multiboot2 /hos.elf
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}
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EOF
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end
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@sources.each do |source|
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FileUtils.cp(source, "#{tmpdir}/iso")
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end
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# Build bootable GRUB image.
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system(*%W[grub-mkrescue -o #{@target} #{tmpdir}/iso], err: "#{@env.build_root}/grub-mkrescue.log")
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end
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@cache.register_build(@target, nil, @sources, @env)
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@sources.each do |source|
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FileUtils.cp(source, "#{tmpdir}/iso")
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end
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# Build bootable GRUB image.
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system(*%W[grub-mkrescue -o #{@target} #{tmpdir}/iso], err: "#{@env.build_root}/grub-mkrescue.log")
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end
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true
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@cache.register_build(@target, nil, @sources, @env)
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end
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true
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end
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end
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class EfiImage < Builder
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def run(options)
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unless @cache.up_to_date?(@target, nil, @sources, @env)
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print_run_message("Generating EFI boot image #{@target}", nil)
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Dir.mktmpdir do |tmpdir|
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# Build a standalone GRUB.
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File.open("#{tmpdir}/grub.cfg", "wb") do |fh|
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fh.write(<<EOF)
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class EfiImage < Builder
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def run(options)
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unless @cache.up_to_date?(@target, nil, @sources, @env)
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print_run_message("Generating EFI boot image #{@target}", nil)
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Dir.mktmpdir do |tmpdir|
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# Build a standalone GRUB.
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File.open("#{tmpdir}/grub.cfg", "wb") do |fh|
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fh.write(<<EOF)
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insmod part_gpt
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configfile (hd0,gpt2)/grub.cfg
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EOF
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end
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system(*%W[grub-mkstandalone -O x86_64-efi -o #{tmpdir}/BOOTX64.EFI boot/grub/grub.cfg=#{tmpdir}/grub.cfg])
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# Create EFI partition.
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system(*%W[dd if=/dev/zero of=#{tmpdir}/efi.part bs=1M count=#{EFI_PART_SIZE}], err: "/dev/null")
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system(*%W[mformat -i #{tmpdir}/efi.part ::])
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system(*%W[mmd -i #{tmpdir}/efi.part ::/EFI])
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system(*%W[mmd -i #{tmpdir}/efi.part ::/EFI/BOOT])
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system(*%W[mcopy -i #{tmpdir}/efi.part #{tmpdir}/BOOTX64.EFI ::/EFI/BOOT])
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# Create ext2 HOS partition.
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FileUtils.mkdir_p("#{tmpdir}/ext2")
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@sources.each do |source|
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FileUtils.cp(source, "#{tmpdir}/ext2")
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end
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File.open("#{tmpdir}/ext2/grub.cfg", "wb") do |fh|
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fh.write(<<EOF)
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end
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system(*%W[grub-mkstandalone -O x86_64-efi -o #{tmpdir}/BOOTX64.EFI boot/grub/grub.cfg=#{tmpdir}/grub.cfg])
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# Create EFI partition.
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system(*%W[dd if=/dev/zero of=#{tmpdir}/efi.part bs=1M count=#{EFI_PART_SIZE}], err: "/dev/null")
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system(*%W[mformat -i #{tmpdir}/efi.part ::])
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system(*%W[mmd -i #{tmpdir}/efi.part ::/EFI])
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system(*%W[mmd -i #{tmpdir}/efi.part ::/EFI/BOOT])
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system(*%W[mcopy -i #{tmpdir}/efi.part #{tmpdir}/BOOTX64.EFI ::/EFI/BOOT])
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# Create ext2 HOS partition.
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FileUtils.mkdir_p("#{tmpdir}/ext2")
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@sources.each do |source|
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FileUtils.cp(source, "#{tmpdir}/ext2")
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end
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File.open("#{tmpdir}/ext2/grub.cfg", "wb") do |fh|
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fh.write(<<EOF)
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set default="0"
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set timeout=1
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menuentry "HOS" {
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insmod part_gpt
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insmod multiboot2
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set root=(hd0,gpt2)
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multiboot2 /hos.elf
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insmod part_gpt
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insmod multiboot2
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set root=(hd0,gpt2)
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multiboot2 /hos.elf
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}
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EOF
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end
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system(*%W[genext2fs -b #{HOS_PART_SIZE * 1024} -d #{tmpdir}/ext2 #{tmpdir}/ext2.part])
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# Create full disk image.
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system(*%W[dd if=/dev/zero of=#{@target} bs=1M count=#{EFI_PART_SIZE + HOS_PART_SIZE + 2}], err: "/dev/null")
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system(*%W[parted -s #{@target} mklabel gpt])
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system(*%W[parted -s #{@target} mkpart efi 1MiB #{EFI_PART_SIZE + 1}MiB])
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system(*%W[parted -s #{@target} mkpart hos #{EFI_PART_SIZE + 1}MiB #{EFI_PART_SIZE + HOS_PART_SIZE + 1}MiB])
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system(*%W[dd if=#{tmpdir}/efi.part of=#{@target} bs=1M seek=1 conv=notrunc], err: "/dev/null")
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system(*%W[dd if=#{tmpdir}/ext2.part of=#{@target} bs=1M seek=#{1 + EFI_PART_SIZE} conv=notrunc], err: "/dev/null")
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end
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@cache.register_build(@target, nil, @sources, @env)
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system(*%W[genext2fs -b #{HOS_PART_SIZE * 1024} -d #{tmpdir}/ext2 #{tmpdir}/ext2.part])
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# Create full disk image.
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system(*%W[dd if=/dev/zero of=#{@target} bs=1M count=#{EFI_PART_SIZE + HOS_PART_SIZE + 2}], err: "/dev/null")
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system(*%W[parted -s #{@target} mklabel gpt])
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system(*%W[parted -s #{@target} mkpart efi 1MiB #{EFI_PART_SIZE + 1}MiB])
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system(*%W[parted -s #{@target} mkpart hos #{EFI_PART_SIZE + 1}MiB #{EFI_PART_SIZE + HOS_PART_SIZE + 1}MiB])
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system(*%W[dd if=#{tmpdir}/efi.part of=#{@target} bs=1M seek=1 conv=notrunc], err: "/dev/null")
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system(*%W[dd if=#{tmpdir}/ext2.part of=#{@target} bs=1M seek=#{1 + EFI_PART_SIZE} conv=notrunc], err: "/dev/null")
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end
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true
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@cache.register_build(@target, nil, @sources, @env)
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end
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end
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class FontGen < Builder
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def run(options)
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if @command
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finalize_command
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else
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@sources += ["build/fontgen"]
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command = %W[build/fontgen #{@sources.first} #{KFONT_SIZE} #{@target}]
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standard_command("FontGen <target>#{@target}<reset>", command, {})
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end
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end
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end
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class Size < Builder
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def run(options)
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if @command
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finalize_command
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else
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@vars["_SOURCES"] = @sources
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@vars["_TARGET"] = @target
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command = @env.build_command(%w[${SIZE} ${_SOURCES}], @vars)
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standard_command("Size <target>#{@target}<reset>", command, stdout: @target)
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end
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end
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end
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# FontGen Environment
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Environment.new(use: "freetype") do |env|
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env["CC"] = "gcc"
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env.Program("build/fontgen", glob("fontgen/**/*.c"))
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end
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# Kernel Environment
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Environment.new do |env|
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env.add_builder(EfiImage)
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env.add_builder(BiosImage)
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env.add_builder(FontGen)
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env.add_builder(Size)
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env["OBJDUMP"] = "i686-elf-objdump"
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env["SIZE"] = "i686-elf-size"
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env["CCFLAGS"] += %w[-ffreestanding -Wall -O2]
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env["LDFLAGS"] += %w[-ffreestanding -nostdlib -T src/link.ld]
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env["LDFLAGS"] += %W[-Wl,-Map,${_TARGET}.map]
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env["LIBS"] += %w[gcc]
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env.FontGen("^/kfont/kfont.c", "font/Hack-Regular.ttf")
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env["CPPPATH"] += ["#{env.build_root}/kfont"]
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env.Program("^/hos.elf", glob("src/**/*.{S,c}") + ["^/kfont/kfont.c"])
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env.depends("#{env.build_root}/hos.elf", "src/link.ld")
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env.Disassemble("^/hos.elf.txt", "^/hos.elf")
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env.Size("^/hos.elf.size", "^/hos.elf")
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env.EfiImage("build/hos-efi.img", %w[^/hos.elf])
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env.BiosImage("build/hos.img", %w[^/hos.elf])
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true
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end
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end
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class FontGen < Builder
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def run(options)
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if @command
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finalize_command
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else
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fontgen = @vars["fontgen"]
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@sources += [fontgen]
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command = %W[#{fontgen} #{@sources.first} #{KFONT_SIZE} #{@target}]
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standard_command("FontGen <target>#{@target}<reset>", command, {})
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end
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end
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end
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class Size < Builder
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def run(options)
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if @command
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finalize_command
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else
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@vars["_SOURCES"] = @sources
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@vars["_TARGET"] = @target
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command = @env.build_command(%w[${SIZE} ${_SOURCES}], @vars)
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standard_command("Size <target>#{@target}<reset>", command, stdout: @target)
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end
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end
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end
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# FontGen Environment
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fontgen_env = env "fontgen", use: "freetype" do |env|
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env["CC"] = "gcc"
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env.Program("^/fontgen.bin", glob("fontgen/**/*.c"))
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end
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# Kernel Environment
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kernel_env = env "kernel" do |env|
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env.add_builder(EfiImage)
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env.add_builder(BiosImage)
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env.add_builder(FontGen)
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env.add_builder(Size)
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env["OBJDUMP"] = "i686-elf-objdump"
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env["SIZE"] = "i686-elf-size"
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env["CCFLAGS"] += %w[-ffreestanding -Wall -O2]
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env["LDFLAGS"] += %w[-ffreestanding -nostdlib -T src/link.ld]
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env["LDFLAGS"] += %W[-Wl,-Map,${_TARGET}.map]
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env["LIBS"] += %w[gcc]
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env.FontGen("^/kfont/kfont.c", "font/Hack-Regular.ttf",
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"fontgen" => fontgen_env.expand("^/fontgen.bin"))
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env.barrier
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env["CPPPATH"] += ["#{env.build_root}/kfont"]
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env.Program("^/hos.elf", glob("src/**/*.{S,c}") + ["^/kfont/kfont.c"])
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env.depends("#{env.build_root}/hos.elf", "src/link.ld")
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env.Disassemble("^/hos.elf.txt", "^/hos.elf")
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env.Size("^/hos.elf.size", "^/hos.elf")
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env.EfiImage("^/hos-efi.img", %w[^/hos.elf])
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env.BiosImage("^/hos.img", %w[^/hos.elf])
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end
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task "run", desc: "Run HOS in QEMU" do
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img = kernel_env.expand("^/hos.img")
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sh %W[qemu-system-x86_64 -hda #{img}]
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end
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task "run-efi", desc: "Run HOS EFI in QEMU" do
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img = kernel_env.expand("^/hos-efi.img")
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sh %W[qemu-system-x86_64 -bios OVMF.fd -hda #{img}]
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end
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