Radix cross Linux 3pp sources

diff --git a/hal/Makefile b/hal/Makefile
new file mode 100644
index 0000000..421ab7b
--- /dev/null
+++ b/hal/Makefile
@@ -0,0 +1,25 @@
+
+#
+# Following command helps to cheate SUBDIRS list:
+# $ tree -fid .
+#
+
+SUBDIRS := drivers  \
+           firmware
+
+
+all-recursive downloads_clean-recursive:
+	@set fnord $(MAKEFLAGS); amf=$$2; \
+	target=`echo $@ | sed s/-recursive//`; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  echo "Making $$target in $$subdir"; \
+	  local_target="$$target"; \
+	  (cd $$subdir && $(MAKE) $$fnord $$local_target) \
+	   || case "$$amf" in *=*) exit 1;; *k*) fail=yes;; *) exit 1;; esac; \
+	done; test -z "$$fail"
+
+all: all-recursive
+
+downloads_clean: downloads_clean-recursive
+
+.PHONY: all-recursive downloads_clean-recursive all downloads_clean