hos/Rsconscript

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project_name "HOS"
path_prepend "x86_64-elf-gcc/bin"
configure do
rscons "x86_64-elf-gcc.rb", "-b", "#{build_dir}/x86_64-elf-gcc"
check_program "ldc2"
check_program "x86_64-w64-mingw32-gcc"
check_program "x86_64-elf-gcc"
check_c_compiler
check_program "mformat", on_fail: "Install the mtools package"
check_cfg package: "freetype2", on_fail: "Install libfreetype-dev", use: "freetype"
sh %w[git submodule update --init]
end
# Kernel default font size.
KFONT_SIZE = 15
class Image < Builder
def run(options)
unless @cache.up_to_date?(@target, nil, @sources, @env)
print_run_message("Creating disk image <target>#{@target}<reset>", nil)
File.binwrite(@target, "\0" * (1440 * 1024))
system(*%W[mformat -i #{@target} -f 1440 ::])
system(*%W[mmd -i #{@target} ::/EFI])
system(*%W[mmd -i #{@target} ::/EFI/BOOT])
system(*%W[mcopy -i #{@target} #{@sources.first} ::/EFI/BOOT])
@cache.register_build(@target, nil, @sources, @env)
end
true
end
end
class FontGen < Builder
def run(options)
if @command
finalize_command
else
fontgen = @vars["fontgen"]
@sources += [fontgen]
command = %W[#{fontgen} #{@sources.first} #{KFONT_SIZE} #{@target}]
standard_command("FontGen <target>#{@target}<reset>", command, {})
end
end
end
# FontGen Environment
fontgen_env = env "fontgen", use: "freetype" do |env|
env.Program("^/fontgen", glob("src/fontgen/**/*.c"))
end
## Kernel Environment
#kernel_env = env "kernel" do |env|
# env.add_builder(Image)
# env.add_builder(FontGen)
# env["OBJDUMP"] = "x86_64-elf-objdump"
# env["SIZE"] = "x86_64-elf-size"
# env["CCFLAGS"] += %w[-ffreestanding -Wall -O2]
# env["LDFLAGS"] += %w[-ffreestanding -nostdlib -T src/link.ld]
# env["LDFLAGS"] += %W[-Wl,-Map,${_TARGET}.map]
# env["LIBS"] += %w[gcc]
# env.FontGen("^/kfont/kfont.c", "font/Hack-Regular.ttf",
# "fontgen" => fontgen_env.expand("^/fontgen"))
# env.barrier
# env["CPPPATH"] += ["#{env.build_root}/kfont"]
# env.Program("^/hos.elf", glob("src/**/*.{S,c}") + ["^/kfont/kfont.c"])
# env.depends("#{env.build_root}/hos.elf", "src/link.ld")
# env.Disassemble("^/hos.elf.txt", "^/hos.elf")
# env.Size("^/hos.elf.size", "^/hos.elf")
# env.Image("^/hos.img", %w[^/hos.elf])
#end
task "run", desc: "Run HOS in QEMU" do
img = kernel_env.expand("^/hos.img")
sh %W[qemu-system-x86_64 -bios OVMF.fd -hda #{img}]
end