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-rw-r--r--arch/xtensa/boot/ramdisk/Makefile23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/xtensa/boot/ramdisk/Makefile b/arch/xtensa/boot/ramdisk/Makefile
new file mode 100644
index 000000000000..b12f76352438
--- /dev/null
+++ b/arch/xtensa/boot/ramdisk/Makefile
@@ -0,0 +1,23 @@
+#
+# Makefile for a ramdisk image
+#
+
+BIG_ENDIAN := $(shell echo -e "\#ifdef __XTENSA_EL__\nint little;\n\#else\nint big;\n\#endif" | $(CC) -E -|grep -c big)
+
+ifeq ($(BIG_ENDIAN),1)
+OBJCOPY_ARGS := -O elf32-xtensa-be
+else
+OBJCOPY_ARGS := -O elf32-xtensa-le
+endif
+
+obj-y = ramdisk.o
+
+RAMDISK_IMAGE = arch/$(ARCH)/boot/ramdisk/$(CONFIG_EMBEDDED_RAMDISK_IMAGE)
+
+arch/$(ARCH)/boot/ramdisk/ramdisk.o:
+ $(Q)echo -e "dummy:" | $(AS) -o $@;
+ $(Q)$(OBJCOPY) $(OBJCOPY_ARGS) \
+ --add-section .initrd=$(RAMDISK_IMAGE) \
+ --set-section-flags .initrd=contents,alloc,load,load,data \
+ arch/$(ARCH)/boot/ramdisk/ramdisk.o $@
+

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