unicore32 additional architecture files: boot process

This patch implements booting process, including uncompression process.

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 47 insertions, 0 deletions

diff --git a/arch/unicore32/boot/Makefile b/arch/unicore32/boot/Makefile
new file mode 100644
index 00000000000..79e5f88845d
--- /dev/null
+++ b/arch/unicore32/boot/Makefile
@@ -0,0 +1,47 @@
+#
+# arch/unicore32/boot/Makefile
+#
+# This file is included by the global makefile so that you can add your own
+# architecture-specific flags and dependencies.
+#
+# 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.
+#
+# Copyright (C) 2001~2010 GUAN Xue-tao
+#
+
+MKIMAGE := $(srctree)/scripts/mkuboot.sh
+
+targets := Image zImage uImage
+
+$(obj)/Image: vmlinux FORCE
+        $(call if_changed,objcopy)
+        @echo '  Kernel: $@ is ready'
+
+$(obj)/compressed/vmlinux: $(obj)/Image FORCE
+        $(Q)$(MAKE) $(build)=$(obj)/compressed $@
+
+$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
+        $(call if_changed,objcopy)
+        @echo '  Kernel: $@ is ready'
+
+quiet_cmd_uimage = UIMAGE  $@
+      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A unicore -O linux -T kernel \
+                   -C none -a $(LOADADDR) -e $(STARTADDR) \
+                   -n 'Linux-$(KERNELRELEASE)' -d $< $@
+
+$(obj)/uImage: LOADADDR=0x0
+
+$(obj)/uImage: STARTADDR=$(LOADADDR)
+
+$(obj)/uImage: $(obj)/zImage FORCE
+        $(call if_changed,uimage)
+        @echo '  Image $@ is ready'
+
+PHONY += initrd FORCE
+initrd:
+        @test "$(INITRD)" != "" || \
+        (echo You must specify INITRD; exit -1)
+
+subdir- := compressed