target/linux/rdc/patches-2.6.27/600-x86_lzma.patch

   1 --- a/scripts/Makefile.lib
   2 +++ b/scripts/Makefile.lib
   3 @@ -172,4 +172,9 @@
   4  quiet_cmd_gzip = GZIP    $@
   5  cmd_gzip = gzip -f -9 < $< > $@
   6
   7 -
   8 +# LZMA
   9 +#
  10 +quiet_cmd_lzma = LZMA $@
  11 +cmd_lzma = bash -e scripts/lzma_kern $< $@ -lc7 -lp0 -pb0
  12 +# to use lzmacomp,
  13 +# cmd_lzma = lzmacomp $< 700 > $@
  14 --- /dev/null
  15 +++ b/scripts/lzma_kern
  16 @@ -0,0 +1,4 @@
  17 +get-size() { echo "$5" ;}
  18 +printf -v len '%.8x' "$(get-size $(ls -l "$1"))"
  19 +lzma e "$@"
  20 +echo -ne "\x$(echo $len | cut -c 7,8)\x$(echo $len | cut -c 5,6)\x$(echo $len | cut -c 3,4)\x$(echo $len | cut -c 1,2)" >> "$2"
  21 --- a/arch/x86/boot/compressed/Makefile
  22 +++ b/arch/x86/boot/compressed/Makefile
  23 @@ -4,7 +4,7 @@
  24  # create a compressed vmlinux image from the original vmlinux
  25  #
  26
  27 -targets := vmlinux vmlinux.bin vmlinux.bin.gz head_$(BITS).o misc.o piggy.o
  28 +targets := vmlinux vmlinux.bin vmlinux.bin.lzma head_$(BITS).o lzma_misc.o piggy.o
  29
  30  KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
  31  KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
  32 @@ -18,7 +18,7 @@
  33  LDFLAGS := -m elf_$(UTS_MACHINE)
  34  LDFLAGS_vmlinux := -T
  35
  36 -$(obj)/vmlinux: $(src)/vmlinux_$(BITS).lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE
  37 +$(obj)/vmlinux: $(src)/vmlinux_$(BITS).lds $(obj)/head_$(BITS).o $(obj)/lzma_misc.o $(obj)/piggy.o FORCE
  38         $(call if_changed,ld)
  39         @:
  40
  41 @@ -44,11 +44,11 @@
  42         $(call if_changed,relocbin)
  43
  44  ifdef CONFIG_RELOCATABLE
  45 -$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE
  46 -       $(call if_changed,gzip)
  47 +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin.all FORCE
  48 +       $(call if_changed,lzma)
  49  else
  50 -$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
  51 -       $(call if_changed,gzip)
  52 +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
  53 +       $(call if_changed,lzma)
  54  endif
  55  LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
  56
  57 @@ -60,5 +60,5 @@
  58  endif
  59
  60
  61 -$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
  62 +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.lzma FORCE
  63         $(call if_changed,ld)