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m32r: bzip2/lzma kernel compression support

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- Support bzip2 and lzma kernel compression for m32r.
- Clean up arch/m32r/boot/compressed/misc.c.

Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
This commit is contained in:
Hirokazu Takata
2009-10-15 09:21:56 +09:00
parent e968b8d404
commit 337214e8c6
3 changed files with 42 additions and 120 deletions
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16
arch/m32r/boot/compressed/Makefile
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@@ -4,8 +4,8 @@
# create a compressed vmlinux image from the original vmlinux
#
targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o \
piggy.o vmlinux.lds
targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
vmlinux.bin.lzma head.o misc.o piggy.o vmlinux.lds
OBJECTS = $(obj)/head.o $(obj)/misc.o
@@ -27,6 +27,12 @@ $(obj)/vmlinux.bin: vmlinux FORCE
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,gzip)
$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
$(call if_changed,bzip2)
$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzma)
CFLAGS_misc.o += -fpic
ifdef CONFIG_MMU
@@ -37,5 +43,9 @@ endif
OBJCOPYFLAGS += -R .empty_zero_page
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
suffix_$(CONFIG_KERNEL_GZIP) = gz
suffix_$(CONFIG_KERNEL_BZIP2) = bz2
suffix_$(CONFIG_KERNEL_LZMA) = lzma
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE
$(call if_changed,ld)