Add `morph-arch` script

This is used by the chunk morphologies in definitions.git to work out
what Linux architecture name to use for a given Morph architecture name.

1 files changed, 22 insertions, 0 deletions

diff --git a/morph-arch b/morph-arch
new file mode 100755
index 000000000000..25f91758a488
--- /dev/null
+++ b/morph-arch
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Get Linux ARCH from Morph architecture
+
+if [ -z "$MORPH_ARCH" ]; then
+    echo "Error: MORPH_ARCH is not set" >&2
+    exit 1
+fi
+
+case "$MORPH_ARCH" in
+    armv7b|armv7l|armv7lhf)
+        echo arm ;;
+    x86_32)
+        echo i386 ;;
+    x86_64)
+        echo x86_64 ;;
+    ppc64)
+        echo powerpc ;;
+    *)
+        echo "Error: unsupported Morph architecture: $MORPH_ARCH" >&2
+        exit 1
+esac