Add the tester

rakelib/cross.rake

@@ -4,15 +4,14 @@ require 'net/http'
 require 'rake/clean'
 require 'open3'
 require 'etc'
+require_relative 'shared'
 
 GCC_VERSION = "14.2.0"
 BINUTILS_VERSION = '2.43.1'
 GLIBC_VERSION = '2.40'
 KERNEL_VERSION = '5.15.166'
 
-TMP = Pathname.new('./build')
-
-CLEAN.include TMP
+CLOBBER.include TMP
 
 class BuildTarget
   attr_accessor(:build, :gcc, :target, :tmp)
@@ -87,11 +86,16 @@ def download_and_unarchive(url, target)
         download_and_unarchive URI.parse(response['location'])
       when Net::HTTPSuccess
         Open3.popen2 'tar', '-C', target.to_path, archive_type, '-xv' do |stdin, stdout, wait_thread|
-          stdout.close
+          Thread.new do
+            stdout.each { |line| puts line }
+          end
 
           response.read_body do |chunk|
             stdin.write chunk
           end
+          stdin.close
+
+          wait_thread.value
         end
       else
         response.error!
@@ -301,7 +305,27 @@ namespace :cross do
     sh env, 'make', '-j', Etc.nprocessors.to_s, chdir: cwd.to_path
     sh env, 'make', 'install', chdir: cwd.to_path
   end
+
+  task :init, [:target]  do |_, args|
+    options = find_build_target GCC_VERSION, args
+    env = {
+      'PATH' => "#{options.rootfs.realpath + 'bin'}:#{ENV['PATH']}"
+    }
+    sh env, 'riscv32-unknown-linux-gnu-gcc',
+      '-ffreestanding', '-static',
+      '-o', (options.tools + 'init').to_path,
+      'tools/init.c'
+  end
 end
 
-task cross: ['cross:binutils', 'cross:gcc1', 'cross:headers', 'cross:kernel', 'cross:glibc', 'cross:gcc2'] do
+desc 'Build cross toolchain'
+task cross: [
+  'cross:binutils',
+  'cross:gcc1',
+  'cross:headers',
+  'cross:kernel',
+  'cross:glibc',
+  'cross:gcc2',
+  'cross:init'
+] do
 end