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

   1 --- a/scripts/Makefile.lib
   2 +++ b/scripts/Makefile.lib
   3 @@ -166,4 +166,9 @@ cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS)
   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_32
  22 +++ b/arch/x86/boot/compressed/Makefile_32
  23 @@ -4,8 +4,8 @@
  24  # create a compressed vmlinux image from the original vmlinux
  25  #
  26
  27 -targets                := vmlinux vmlinux.bin vmlinux.bin.gz head_32.o misc_32.o piggy.o \
  28 -                       vmlinux.bin.all vmlinux.relocs
  29 +targets                := vmlinux vmlinux.bin vmlinux.bin.lzma head_32.o piggy.o \
  30 +                       vmlinux.bin.all vmlinux.relocs lzma_misc.o
  31  EXTRA_AFLAGS   := -traditional
  32
  33  LDFLAGS_vmlinux := -T
  34 @@ -17,7 +17,7 @@ KBUILD_CFLAGS  := -m32 -D__KERNEL__ $(LI
  35            $(call cc-option,-fno-stack-protector)
  36  LDFLAGS := -m elf_i386
  37
  38 -$(obj)/vmlinux: $(src)/vmlinux_32.lds $(obj)/head_32.o $(obj)/misc_32.o $(obj)/piggy.o FORCE
  39 +$(obj)/vmlinux: $(src)/vmlinux_32.lds $(obj)/head_32.o $(obj)/lzma_misc.o $(obj)/piggy.o FORCE
  40         $(call if_changed,ld)
  41         @:
  42
  43 @@ -37,14 +37,14 @@ $(obj)/vmlinux.bin.all: $(vmlinux.bin.al
  44         $(call if_changed,relocbin)
  45
  46  ifdef CONFIG_RELOCATABLE
  47 -$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE
  48 -       $(call if_changed,gzip)
  49 +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin.all FORCE
  50 +       $(call if_changed,lzma)
  51  else
  52 -$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
  53 -       $(call if_changed,gzip)
  54 +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
  55 +       $(call if_changed,lzma)
  56  endif
  57
  58  LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
  59
  60 -$(obj)/piggy.o: $(src)/vmlinux_32.scr $(obj)/vmlinux.bin.gz FORCE
  61 +$(obj)/piggy.o: $(src)/vmlinux_32.scr $(obj)/vmlinux.bin.lzma FORCE
  62         $(call if_changed,ld)