4 files changed, 16 insertions, 1 deletions
diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..a91683f
--- /dev/null
+++ b/.DS_Store
diff --git a/.gitignore b/.gitignore
index 473da30..6a9b80d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 build/
 obj/
+toolchain/
 mk.old
 Makefile
 *.log
diff --git a/Colab.mk b/Colab.mk
new file mode 100644
index 0000000..55e83da
--- /dev/null
+++ b/Colab.mk
@@ -0,0 +1,8 @@
+include Common.mk
+QEMU = qemu-system-arm
+CROSS = ./toolchain/gcc-arm-none-eabi-8-2019-q3-update/bin/arm-none-eabi
+
+init:
+	@-mkdir toolchain
+	@curl -o toolchain/colab.chain.tar.bz2 "https://armkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/8-2019q3/RC1.1/gcc-arm-none-eabi-8-2019-q3-update-linux.tar.bz2"
+	@tar xjvf toolchain/colab.chain.tar.bz2 -C toolchain/
diff --git a/Mac.mk b/Mac.mk
index b9e8545..51b248a 100644
--- a/Mac.mk
+++ b/Mac.mk
@@ -1,3 +1,9 @@
 include Common.mk
 QEMU = qemu-system-arm
-CROSS = /Applications/ARM/bin/arm-none-eabi
+CROSS = ./toolchain/gcc-arm-none-eabi-8-2019-q3-update/bin/arm-none-eabi
+
+init:
+	@-mkdir toolchain
+	@curl -o toolchain/mac.chain.tar.bz2 "https://armkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/8-2019q3/RC1.1/gcc-arm-none-eabi-8-2019-q3-update-mac.tar.bz2"
+	@tar xjvf toolchain/mac.chain.tar.bz2 -C toolchain/
+