Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / xtensa / boot / boot-redboot / Makefile

diff --git a/kernel/arch/xtensa/boot/boot-redboot/Makefile b/kernel/arch/xtensa/boot/boot-redboot/Makefile
new file mode 100644 (file)
index 0000000..8be8b94
--- /dev/null
+++ b/kernel/arch/xtensa/boot/boot-redboot/Makefile
@@ -0,0 +1,35 @@
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+
+ifeq ($(BIG_ENDIAN),1)
+OBJCOPY_ARGS   := -O elf32-xtensa-be
+else
+OBJCOPY_ARGS   := -O elf32-xtensa-le
+endif
+
+LD_ARGS        = -T $(srctree)/$(obj)/boot.ld
+
+boot-y := bootstrap.o
+
+OBJS   := $(addprefix $(obj)/,$(boot-y))
+LIBS   := arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a
+
+LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
+
+$(obj)/zImage.o: vmlinux.bin.gz $(OBJS)
+       $(Q)$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
+               --add-section image=vmlinux.bin.gz \
+               --set-section-flags image=contents,alloc,load,load,data \
+               $(OBJS) $@
+
+$(obj)/zImage.elf: $(obj)/zImage.o $(LIBS)
+       $(Q)$(LD) $(LD_ARGS) -o $@ $^ -L/xtensa-elf/lib $(LIBGCC)
+
+$(obj)/../zImage.redboot: $(obj)/zImage.elf
+       $(Q)$(OBJCOPY) -S -O binary $< $@
+       $(Q)$(kecho) '  Kernel: $@ is ready'
+
+zImage: $(obj)/../zImage.redboot