Cross compile the elna frontend
This commit is contained in:
88
Rakefile
88
Rakefile
@ -9,7 +9,6 @@ require 'uri'
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require 'net/http'
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require 'open3'
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require 'etc'
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require 'fileutils'
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require 'pathname'
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require 'rake/clean'
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@ -57,10 +56,12 @@ class BuildTarget
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.split(' ').last.strip
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end
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def configuration
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def configuration(prefix)
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case @architecture
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when :rv32
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['--with-arch=rv32imafdc', '--with-abi=ilp32d', '--with-tune=rocket', '--with-isa-spec=20191213']
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['arch=rv32imafdc', 'abi=ilp32d', 'tune=rocket', 'isa-spec=20191213'].map do |option|
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"-#{prefix}#{option}"
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end
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else
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[]
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end
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@ -109,9 +110,9 @@ end
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def configure_make_install(source_directory, configure_options, env, cwd)
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configure = source_directory.relative_path_from(cwd) + 'configure'
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system env, configure.to_path, *configure_options, chdir: cwd.to_path, exception: true
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system 'make', '-j', Etc.nprocessors.to_s, chdir: cwd.to_path, exception: true
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system env, 'make', 'install', chdir: cwd.to_path, exception: true
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sh env, configure.to_path, *configure_options, chdir: cwd.to_path
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sh 'make', '-j', Etc.nprocessors.to_s, chdir: cwd.to_path
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sh env, 'make', 'install', chdir: cwd.to_path
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end
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directory(TMP + 'tools')
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@ -168,8 +169,8 @@ namespace :cross do
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options.rootfs.mkpath
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options.sysroot.mkpath
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system 'contrib/download_prerequisites', chdir: source_directory.to_path, exception: true
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configure_options = options.configuration + [
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sh 'contrib/download_prerequisites', chdir: source_directory.to_path
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configure_options = options.configuration('-with-') + [
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"--prefix=#{options.rootfs.realpath}",
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"--with-sysroot=#{options.sysroot.realpath}",
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'--enable-languages=c,c++',
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@ -211,7 +212,7 @@ namespace :cross do
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include_directory = TMP + 'tools/include'
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include_directory.mkpath
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FileUtils.cp (source_directory + 'elf/elf.h'), (include_directory + 'elf.h')
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cp (source_directory + 'elf/elf.h'), (include_directory + 'elf.h')
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end
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desc 'Build linux kernel'
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@ -226,14 +227,14 @@ namespace :cross do
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'PATH' => "#{options.rootfs.realpath + 'bin'}:#{ENV['PATH']}",
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'HOSTCFLAGS' => "-D_UUID_T -D__GETHOSTUUID_H -I#{TMP + 'tools/include'}"
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}
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system env, 'make', 'rv32_defconfig', chdir: cwd.to_path, exception: true
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system env, 'make', '-j', Etc.nprocessors.to_s, chdir: cwd.to_path, exception: true
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system env, 'make', 'headers', chdir: cwd.to_path, exception: true
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sh env, 'make', 'rv32_defconfig', chdir: cwd.to_path
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sh env, 'make', '-j', Etc.nprocessors.to_s, chdir: cwd.to_path
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sh env, 'make', 'headers', chdir: cwd.to_path
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user_directory = options.sysroot + 'usr'
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user_directory.mkpath
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FileUtils.cp_r (cwd + 'usr/include'), (user_directory + 'include')
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cp_r (cwd + 'usr/include'), (user_directory + 'include')
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end
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desc 'Build glibc'
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@ -275,13 +276,14 @@ namespace :cross do
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source_directory = TMP + "tools/gcc-#{GCC_VERSION}"
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cwd = TMP + 'tools/build-gcc'
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FileUtils.rm_rf cwd
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rm_rf cwd
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cwd.mkpath
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cp_r '../elna', source_directory + 'gcc'
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configure_options = options.configuration + [
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configure_options = options.configuration('-with-') + [
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"--prefix=#{options.rootfs.realpath}",
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"--with-sysroot=#{options.sysroot.realpath}",
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'--enable-languages=c,c++,lto',
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'--enable-languages=c,c++,lto,elna',
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'--enable-lto',
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'--enable-shared',
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'--disable-bootstrap',
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@ -308,7 +310,7 @@ end
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task cross: TMP + 'tools'
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task :cross, :target do |t, args|
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args.with_defaults(target: 'riscv32-unknown-linux-gnu')
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args.with_defaults target: 'riscv32'
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Rake::Task['cross:binutils'].invoke args[:target]
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Rake::Task['cross:gcc1'].invoke args[:target]
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@ -318,27 +320,55 @@ task :cross, :target do |t, args|
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Rake::Task['cross:gcc2'].invoke args[:target]
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end
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FLAGS = ['-O2', '-g3', '-Wall', '-march=rv32imzicsr', '-mabi=ilp32', '-fno-stack-protector', '-ffreestanding', '-nostdlib', '-static']
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CLEAN.include 'kernel.elf', 'build/riscv32'
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def relative_from_tmp(path)
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Pathname.new(path).relative_path_from(TMP).each_filename
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end
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CLEAN.include(TMP + 'riscv32')
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directory(TMP + 'riscv32')
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rule(/^#{TMP}\/[[:alnum:]]+\/[[:alnum:]]+\.o$/ => ->(match) {
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[Pathname.new(match).basename.sub_ext('.s'), TMP + 'riscv32']
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}) do |t|
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ENV['CC'] = 'build/rootfs/bin/riscv32-unknown-linux-gnu-gcc'
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rule '.s.o' => ->(match) {
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architecture, *path_components = relative_from_tmp(match).to_a
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path_components[-1] = path_components.last.ext('')
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system ENV['CC'], *FLAGS, '-c', '-o', t.name, *t.prerequisites.select { |prerequisite| prerequisite.end_with? '.s' }
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[File.join(path_components), TMP + architecture]
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} do |t|
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options = BuildTarget.new relative_from_tmp(t.name).first
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compiler = options.rootfs + "bin/#{options.target}-gcc"
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flags = ['-ffreestanding'] + options.configuration('m')
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sources = t.prerequisites.select { |prerequisite| File.extname(prerequisite) == '.s' }
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system compiler.to_s, *flags, '-c', '-o', t.name, *sources, exception: true
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end
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file 'kernel.elf' => FileList['*.s'].map { |source| (TMP + 'riscv32' + source).sub_ext('.o') } do |t|
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ENV['CC'] = 'build/rootfs/bin/riscv32-unknown-linux-gnu-gcc'
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rule '.elna.o' => ->(match) {
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architecture, *path_components = relative_from_tmp(match).to_a
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path_components[-1] = path_components.last.ext('')
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system ENV['CC'], *FLAGS, '-T', 'kernel.ld', '-Wl,-Map=kernel.map', '-o', 'kernel.elf', *t.prerequisites
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[File.join(path_components), TMP + architecture]
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} do |t|
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options = BuildTarget.new relative_from_tmp(t.name).first
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compiler = options.rootfs + "bin/#{options.target}-gcc"
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flags = ['-O2', '-g3', '-fno-stack-protector'] + options.configuration('m')
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sources = t.prerequisites.select { |prerequisite| File.extname(prerequisite) == '.elna' }
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system compiler.to_s, *flags, '-c', '-o', t.name, *sources, exception: true
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end
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task default: 'kernel.elf'
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rule 'kernel.elf' => ->(match) {
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architecture_tmp = TMP + relative_from_tmp(match).first
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FileList['*.s', '*.elna'].map { |source| (architecture_tmp + source).to_path + '.o' } << 'kernel.ld'
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} do |t|
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options = BuildTarget.new relative_from_tmp(t.name).first
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compiler = options.rootfs + "bin/#{options.target}-gcc"
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flags = options.configuration('m')
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objects, linker_script = t.prerequisites.partition { |prerequisite| File.extname(prerequisite) == '.o' }
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system compiler.to_s, '-nostdlib', '-T', *linker_script, '-o', t.name, *objects, exception: true
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end
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task default: 'build/riscv32/kernel.elf'
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task :default do |t|
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QEMU = 'qemu-system-riscv32'
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4
kernel.s
4
kernel.s
@ -140,13 +140,13 @@ handle_trap:
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csrr a0, scause
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call write_i
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li a0, ','
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call separator
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call write_c
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csrr a0, stval
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call write_i
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li a0, ','
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call separator
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call write_c
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csrr a0, sepc
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7
source.elna
Normal file
7
source.elna
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@ -0,0 +1,7 @@
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module;
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proc separator*() -> Char;
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return ','
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end;
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end.
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