aboutsummaryrefslogtreecommitdiffstats
path: root/arch/unicore32/boot/compressed/Makefile
diff options
context:
space:
mode:
Diffstat (limited to 'arch/unicore32/boot/compressed/Makefile')
-rw-r--r--arch/unicore32/boot/compressed/Makefile68
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/unicore32/boot/compressed/Makefile b/arch/unicore32/boot/compressed/Makefile
new file mode 100644
index 000000000000..95373428cb3d
--- /dev/null
+++ b/arch/unicore32/boot/compressed/Makefile
@@ -0,0 +1,68 @@
+#
+# linux/arch/unicore32/boot/compressed/Makefile
+#
+# create a compressed vmlinuz image from the original vmlinux
+#
+# 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
+#
+
+EXTRA_CFLAGS := -fpic -fno-builtin
+EXTRA_AFLAGS := -Wa,-march=all
+
+OBJS := misc.o
+
+# font.c and font.o
+CFLAGS_font.o := -Dstatic=
+$(obj)/font.c: $(srctree)/drivers/video/console/font_8x8.c
+ $(call cmd,shipped)
+
+# piggy.S and piggy.o
+suffix_$(CONFIG_KERNEL_GZIP) := gzip
+suffix_$(CONFIG_KERNEL_BZIP2) := bz2
+suffix_$(CONFIG_KERNEL_LZO) := lzo
+suffix_$(CONFIG_KERNEL_LZMA) := lzma
+
+$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
+ $(call if_changed,$(suffix_y))
+
+SEDFLAGS_piggy = s/DECOMP_SUFFIX/$(suffix_y)/
+$(obj)/piggy.S: $(obj)/piggy.S.in
+ @sed "$(SEDFLAGS_piggy)" < $< > $@
+
+$(obj)/piggy.o: $(obj)/piggy.$(suffix_y) $(obj)/piggy.S FORCE
+
+targets := vmlinux vmlinux.lds font.o font.c head.o misc.o \
+ piggy.$(suffix_y) piggy.o piggy.S \
+
+# Make sure files are removed during clean
+extra-y += piggy.gzip piggy.bz2 piggy.lzo piggy.lzma
+
+# ?
+LDFLAGS_vmlinux += -p
+# Report unresolved symbol references
+LDFLAGS_vmlinux += --no-undefined
+# Delete all temporary local symbols
+LDFLAGS_vmlinux += -X
+# Next argument is a linker script
+LDFLAGS_vmlinux += -T
+
+# For uidivmod
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head.o $(obj)/piggy.o \
+ $(obj)/misc.o FORCE
+ $(call if_changed,ld)
+ @:
+
+# We now have a PIC decompressor implementation. Decompressors running
+# from RAM should not define ZTEXTADDR. Decompressors running directly
+# from ROM or Flash must define ZTEXTADDR (preferably via the config)
+ZTEXTADDR := 0
+ZBSSADDR := ALIGN(4)
+
+SEDFLAGS_lds = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
+$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/unicore32/boot/Makefile $(KCONFIG_CONFIG)
+ @sed "$(SEDFLAGS_lds)" < $< > $@
+