target/linux/leon/patches/002-sparc_uimage_target.patch

   1 From 234ef25344b567b3b8dad62c0863ebe16377528f Mon Sep 17 00:00:00 2001
   2 From: Daniel Hellstrom <daniel@gaisler.com>
   3 Date: Tue, 14 Sep 2010 11:26:55 +0200
   4 Subject: [PATCH] SPARC: added U-Boot build target: uImage
   5
   6 ---
   7  arch/sparc/Makefile      |    3 ++-
   8  arch/sparc/boot/Makefile |   35 +++++++++++++++++++++++++++++++++++
   9  2 files changed, 37 insertions(+), 1 deletions(-)
  10
  11 --- a/arch/sparc/Makefile
  12 +++ b/arch/sparc/Makefile
  13 @@ -88,7 +88,7 @@ boot := arch/sparc/boot
  14  # Default target
  15  all: zImage
  16
  17 -image zImage tftpboot.img vmlinux.aout: vmlinux
  18 +image zImage uImage tftpboot.img vmlinux.aout: vmlinux
  19         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  20
  21  archclean:
  22 @@ -102,6 +102,7 @@ ifeq ($(ARCH),sparc)
  23  define archhelp
  24    echo  '* image        - kernel image ($(boot)/image)'
  25    echo  '* zImage       - stripped kernel image ($(boot)/zImage)'
  26 +  echo  '  uImage       - U-Boot SPARC32/LEON Image'
  27    echo  '  tftpboot.img - image prepared for tftp'
  28  endef
  29  else
  30 --- a/arch/sparc/boot/Makefile
  31 +++ b/arch/sparc/boot/Makefile
  32 @@ -5,6 +5,7 @@
  33
  34  ROOT_IMG       := /usr/src/root.img
  35  ELFTOAOUT      := elftoaout
  36 +MKIMAGE        := $(srctree)/scripts/mkuboot.sh
  37
  38  hostprogs-y    := piggyback_32 piggyback_64 btfixupprep
  39  targets                := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
  40 @@ -90,5 +91,39 @@ $(obj)/tftpboot.img: $(obj)/image $(obj)
  41  $(obj)/vmlinux.aout: vmlinux FORCE
  42         $(call if_changed,elftoaout)
  43         @echo '  kernel: $@ is ready'
  44 +else
  45 +
  46 +# The following lines make a readable image for U-Boot.
  47 +#  uImage   - Binary file read by U-boot
  48 +#  uImage.o - object file of uImage for loading with a
  49 +#             flash programmer understanding ELF.
  50 +
  51 +OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
  52 +$(obj)/image.bin: $(obj)/image FORCE
  53 +       $(call if_changed,objcopy)
  54 +
  55 +$(obj)/image.gz: $(obj)/image.bin
  56 +       $(call if_changed,gzip)
  57 +
  58 +# Start of Main memory
  59 +ifndef UIMAGE_LOADADDR
  60 +UIMAGE_LOADADDR=0x40004000
  61  endif
  62
  63 +# The first sector after the U-Boot image (256k)
  64 +ifndef UIMAGE_FLASHADDR
  65 +UIMAGE_FLASHADDR=0x00040000
  66 +endif
  67 +
  68 +quiet_cmd_uimage = UIMAGE  $@
  69 +      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sparc -O linux -T kernel \
  70 +               -C gzip -a $(UIMAGE_LOADADDR) -e 0xf0004000 -n 'Linux-$(KERNELRELEASE)' \
  71 +               -d $< $@
  72 +
  73 +targets += uImage
  74 +$(obj)/uImage: $(obj)/image.gz
  75 +       $(call if_changed,uimage)
  76 +       $(LD) -Tdata $(UIMAGE_FLASHADDR) -r -b binary arch/sparc/boot/uImage -o arch/sparc/boot/uImage.o
  77 +       @echo '  Image $@ is ready'
  78 +
  79 +endif