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| author | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-01-15 18:23:31 +0800 |
|---|---|---|
| committer | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-03-17 09:19:14 +0800 |
| commit | 70fac51feaf2ca50c84e102e2a2699eb19ef24bd (patch) | |
| tree | a4ca6efdd40b063a4dd7ccb587d15f0f0535653a /arch/unicore32/boot/compressed/Makefile | |
| parent | 96cf5185a95e0b304596fe19edcf8dfcd5c10699 (diff) | |
| download | blackbird-obmc-linux-70fac51feaf2ca50c84e102e2a2699eb19ef24bd.tar.gz blackbird-obmc-linux-70fac51feaf2ca50c84e102e2a2699eb19ef24bd.zip | |
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>
Diffstat (limited to 'arch/unicore32/boot/compressed/Makefile')
| -rw-r--r-- | arch/unicore32/boot/compressed/Makefile | 68 |
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)" < $< > $@ + |
