arch/sparc/boot/Makefile

   1 # Makefile for the Sparc boot stuff.
   2 #
   3 # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
   4 # Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
   5
   6 ROOT_IMG        := /usr/src/root.img
   7 ELFTOAOUT       := elftoaout
   8
   9 hostprogs-y     := piggyback btfixupprep
  10 targets         := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
  11 clean-files     := System.map
  12
  13 quiet_cmd_elftoaout     = ELFTOAOUT $@
  14       cmd_elftoaout     = $(ELFTOAOUT) $(obj)/image -o $@
  15 quiet_cmd_piggy         = PIGGY   $@
  16       cmd_piggy         = $(obj)/piggyback $(BITS) $@ System.map $(ROOT_IMG)
  17 quiet_cmd_strip         = STRIP   $@
  18       cmd_strip         = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $< -o $@
  19
  20 ifeq ($(CONFIG_SPARC32),y)
  21 quiet_cmd_btfix         = BTFIX   $@
  22       cmd_btfix         = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@
  23 quiet_cmd_sysmap        = SYSMAP  $(obj)/System.map
  24       cmd_sysmap        = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
  25 quiet_cmd_image = LD      $@
  26       cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@
  27
  28 define rule_image
  29         $(if $($(quiet)cmd_image),               \
  30           echo '  $($(quiet)cmd_image)' &&)      \
  31           $(cmd_image);                          \
  32         $(if $($(quiet)cmd_sysmap),              \
  33           echo '  $($(quiet)cmd_sysmap)' &&)  \
  34         $(cmd_sysmap) $@ $(obj)/System.map;      \
  35         if [ $$? -ne 0 ]; then                   \
  36                 rm -f $@;                        \
  37                 /bin/false;                      \
  38         fi;                                      \
  39         echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd
  40 endef
  41
  42 # Support for kallsyms
  43 kallsyms-$(CONFIG_KALLSYMS) := .tmp_kallsyms2.o
  44 ifdef KALLSYMS_EXTRA_PASS
  45         kallsyms-$(CONFIG_KALLSYMS) := .tmp_kallsyms3.o
  46 endif
  47
  48 LDFLAGS_image := -T $(KBUILD_LDS) $(KBUILD_VMLINUX_INIT)           \
  49                   --start-group $(KBUILD_VMLINUX_MAIN) --end-group \
  50                   $(kallsyms-y) $(obj)/btfix.o
  51
  52 # Link the final image including btfixup'ed symbols.
  53 # This is a replacement for the link done in the top-level Makefile.
  54 # Note: No dependency on the prerequisite files since that would require
  55 # make to try check if they are updated - and due to changes
  56 # in gcc options (path for example) this would result in
  57 # these files being recompiled for each build.
  58 $(obj)/image: $(obj)/btfix.o FORCE
  59         $(call if_changed_rule,image)
  60
  61 $(obj)/zImage: $(obj)/image
  62         $(call if_changed,strip)
  63         @echo '  kernel: $@ is ready'
  64
  65 $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE
  66         $(call if_changed,btfix)
  67
  68 endif
  69
  70 ifeq ($(CONFIG_SPARC64),y)
  71
  72 # Actual linking
  73 $(obj)/image: vmlinux FORCE
  74         $(call if_changed,strip)
  75         @echo '  kernel: $@ is ready'
  76
  77 $(obj)/zImage: $(obj)/image
  78         $(call if_changed,gzip)
  79         @echo '  kernel: $@ is ready'
  80
  81 $(obj)/vmlinux.aout: vmlinux FORCE
  82         $(call if_changed,elftoaout)
  83         @echo '  kernel: $@ is ready'
  84 else
  85
  86 # The following lines make a readable image for U-Boot.
  87 #  uImage   - Binary file read by U-boot
  88 #  uImage.o - object file of uImage for loading with a
  89 #             flash programmer understanding ELF.
  90
  91 OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
  92 $(obj)/image.bin: $(obj)/image FORCE
  93         $(call if_changed,objcopy)
  94
  95 $(obj)/image.gz: $(obj)/image.bin
  96         $(call if_changed,gzip)
  97
  98 UIMAGE_LOADADDR = $(CONFIG_UBOOT_LOAD_ADDR)
  99 UIMAGE_ENTRYADDR = $(CONFIG_UBOOT_ENTRY_ADDR)
 100 UIMAGE_COMPRESSION = gzip
 101
 102 quiet_cmd_uimage.o = UIMAGE.O $@
 103       cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \
 104                      -r -b binary $@ -o $@.o
 105
 106 targets += uImage
 107 $(obj)/uImage: $(obj)/image.gz
 108         $(call if_changed,uimage)
 109         $(call if_changed,uimage.o)
 110         @echo '  Image $@ is ready'
 111
 112 endif
 113
 114 $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
 115         $(call if_changed,elftoaout)
 116         $(call if_changed,piggy)