commit 9c5afa41eae9fbf02b57819da38168f1438f656b
Author: Yilin Sun <imi415@imi.moe>
Date:   Fri Mar 3 09:55:25 2023 +0800

    Initial commit.
    
    Signed-off-by: Yilin Sun <imi415@imi.moe>

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..66cfef8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/config/*.lock
+/build
+/cmake-build-*
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e411e81
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "mruby"]
+	path = mruby
+	url = https://github.com/mruby/mruby.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..6c45373
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.10)
+
+project(mruby_mcux)
+
+if(NOT DEFINED MRUBY_MCUX_TARGET)
+    message(WARNING "MRUBY_MCUX_TARGET not defined, using default.")
+    set(MRUBY_MCUX_TARGET imxrt10xx)
+endif()
+
+add_custom_command(OUTPUT libmruby.a
+    COMMAND "${CMAKE_COMMAND}" "-E" "env"
+            "MRUBY_CONFIG=${CMAKE_CURRENT_SOURCE_DIR}/configs/${MRUBY_MCUX_TARGET}.rb"
+	    "MRUBY_BUILD_DIR=${CMAKE_CURRENT_BINARY_DIR}/mruby"
+            "./minirake"
+
+    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/mruby"
+)
+
+add_custom_target(mruby
+    DEPENDS "libmruby.a"
+)
+
+set_target_properties(mruby PROPERTIES
+    ADDITIONAL_CLEAN_FILES "${CMAKE_CURRENT_BINARY_DIR}/mruby"
+)
+
+add_library(${PROJECT_NAME} INTERFACE)
+target_link_libraries(${PROJECT_NAME} INTERFACE mruby)
diff --git a/configs/imxrt1xxx.rb b/configs/imxrt1xxx.rb
new file mode 100644
index 0000000..6d872e1
--- /dev/null
+++ b/configs/imxrt1xxx.rb
@@ -0,0 +1,56 @@
+# Cross Compiling configuration for i.MXRT 1xxx (Cortex-M7)
+
+MRuby::CrossBuild.new("imxrt1xxx") do |conf|
+  toolchain :gcc
+
+  conf.cc do |cc|
+    cc.command = "arm-none-eabi-gcc"
+    cc.flags = "-mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=fpv5-d16 -Wall -g -O2"
+    cc.compile_options = %Q[%{flags} -o "%{outfile}" -c "%{infile}"]
+
+    #configuration for low memory environment
+    cc.defines << %w(MRB_HEAP_PAGE_SIZE=64)
+    cc.defines << %w(KHASH_DEFAULT_SIZE=8)
+    cc.defines << %w(MRB_GC_STRESS)
+  end
+
+  conf.cxx do |cxx|
+    cxx.command = conf.cc.command.dup
+    cxx.include_paths = conf.cc.include_paths.dup
+    cxx.flags = conf.cc.flags.dup
+    cxx.defines = conf.cc.defines.dup
+    cxx.compile_options = conf.cc.compile_options.dup
+  end
+
+  conf.linker do |linker|
+    linker.command="arm-none-eabi-ld"
+  end
+
+  conf.archiver do |archiver|
+    archiver.command = "arm-none-eabi-ar"
+    archiver.archive_options = 'rcs "%{outfile}" %{objs}'
+  end
+
+  #no executables
+  conf.bins = []
+
+  #do not build executable test
+  conf.build_mrbtest_lib_only
+
+  #disable C++ exception
+  conf.disable_cxx_exception
+
+  #gems from core
+  conf.gem :core => "mruby-sprintf"
+  conf.gem :core => "mruby-print"
+  conf.gem :core => "mruby-math"
+  conf.gem :core => "mruby-enum-ext"
+  conf.gem :core => "mruby-numeric-ext"
+
+  #light-weight regular expression
+  #conf.gem :github => "masamitsu-murase/mruby-hs-regexp", :branch => "master"
+
+  #Arduino API
+  #conf.gem :github =>"kyab/mruby-arduino", :branch => "master"
+
+end
diff --git a/configs/lpc5500.rb b/configs/lpc5500.rb
new file mode 100644
index 0000000..68193bd
--- /dev/null
+++ b/configs/lpc5500.rb
@@ -0,0 +1,59 @@
+# Cross Compiling configuration for RX630
+# http://gadget.renesas.com/
+#
+# Requires gnurx_v14.03
+MRuby::CrossBuild.new("lpc5500") do |conf|
+  toolchain :gcc
+
+  conf.cc do |cc|
+    cc.command = "arm-none-eabi-gcc"
+    cc.flags = "-mcpu=cortex-m33 -mthumb -mfloat-abi=hard -mfpu=fpv5-sp-d16 -Wall -g -O2"
+    cc.compile_options = %Q[%{flags} -o "%{outfile}" -c "%{infile}"]
+
+    #configuration for low memory environment
+    cc.defines << %w(MRB_USE_FLOAT32)
+    cc.defines << %w(MRB_HEAP_PAGE_SIZE=64)
+    cc.defines << %w(KHASH_DEFAULT_SIZE=8)
+    cc.defines << %w(MRB_GC_STRESS)
+  end
+
+  conf.cxx do |cxx|
+    cxx.command = conf.cc.command.dup
+    cxx.include_paths = conf.cc.include_paths.dup
+    cxx.flags = conf.cc.flags.dup
+    cxx.defines = conf.cc.defines.dup
+    cxx.compile_options = conf.cc.compile_options.dup
+  end
+
+  conf.linker do |linker|
+    linker.command="arm-none-eabi-ld"
+  end
+
+  conf.archiver do |archiver|
+    archiver.command = "arm-none-eabi-ar"
+    archiver.archive_options = 'rcs "%{outfile}" %{objs}'
+  end
+
+  #no executables
+  conf.bins = []
+
+  #do not build executable test
+  conf.build_mrbtest_lib_only
+
+  #disable C++ exception
+  conf.disable_cxx_exception
+
+  #gems from core
+  conf.gem :core => "mruby-sprintf"
+  conf.gem :core => "mruby-print"
+  conf.gem :core => "mruby-math"
+  conf.gem :core => "mruby-enum-ext"
+  conf.gem :core => "mruby-numeric-ext"
+
+  #light-weight regular expression
+  #conf.gem :github => "masamitsu-murase/mruby-hs-regexp", :branch => "master"
+
+  #Arduino API
+  #conf.gem :github =>"kyab/mruby-arduino", :branch => "master"
+
+end
diff --git a/mruby b/mruby
new file mode 160000
index 0000000..d7f4af0
--- /dev/null
+++ b/mruby
@@ -0,0 +1 @@
+Subproject commit d7f4af04ca2c5d7caf377623b9a0c2f86e10e9e8