arch/cris/Makefile

   1 # $Id: Makefile,v 1.15 2003/07/04 12:47:53 tobiasa Exp $
   2 # cris/Makefile
   3 #
   4 # This file is included by the global makefile so that you can add your own
   5 # architecture-specific flags and dependencies. Remember to do have actions
   6 # for "archclean" and "archdep" for cleaning up and making dependencies for
   7 # this architecture
   8 #
   9 # This file is subject to the terms and conditions of the GNU General Public
  10 # License.  See the file "COPYING" in the main directory of this archive
  11 # for more details.
  12
  13 # A bug in ld prevents us from having a (constant-value) symbol in a
  14 # "ORIGIN =" or "LENGTH =" expression.
  15
  16 arch-y := v10
  17 arch-$(CONFIG_ETRAX_ARCH_V10) := v10
  18
  19 # No config avaiable for make clean etc
  20 ifneq ($(arch-y),)
  21 SARCH := arch-$(arch-y)
  22 else
  23 SARCH :=
  24 endif
  25
  26 LD = $(CROSS_COMPILE)ld -mcrislinux
  27 LDFLAGS_BLOB    := --format binary --oformat elf32-cris \
  28                    -T arch/cris/$(SARCH)/output_arch.ld
  29
  30 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
  31
  32 AFLAGS_vmlinux.lds.o = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
  33 AFLAGS += -mlinux
  34
  35 CFLAGS := $(CFLAGS) -mlinux -march=$(arch-y) -pipe
  36
  37 ifdef CONFIG_ETRAX_KGDB
  38 CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS)) -g
  39 CFLAGS += -fno-omit-frame-pointer
  40 endif
  41
  42 HEAD := arch/$(ARCH)/$(SARCH)/kernel/head.o
  43
  44 LIBGCC = $(shell $(CC) $(CFLAGS) -print-file-name=libgcc.a)
  45
  46 core-y          += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
  47 core-y          += arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/
  48 drivers-y       += arch/$(ARCH)/$(SARCH)/drivers/
  49 libs-y          += arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC)
  50
  51 vmlinux.bin: vmlinux
  52         $(OBJCOPY) $(OBJCOPYFLAGS) vmlinux vmlinux.bin
  53
  54 timage: vmlinux.bin
  55         cat vmlinux.bin cramfs.img >timage
  56
  57 simimage: timage
  58         cp vmlinux.bin simvmlinux.bin
  59
  60 # the following will remake timage without compiling the kernel
  61 # it does of course require that all object files exist...
  62
  63 cramfs:
  64 ## cramfs      - Creates a cramfs image
  65         mkcramfs -b 8192 -m romfs_meta.txt root cramfs.img
  66         cat vmlinux.bin cramfs.img >timage
  67
  68 clinux: vmlinux.bin decompress.bin rescue.bin
  69
  70 decompress.bin: FORCE
  71         @make -C arch/$(ARCH)/boot/compressed decompress.bin
  72
  73 rescue.bin: FORCE
  74         @make -C arch/$(ARCH)/boot/rescue rescue.bin
  75
  76 zImage: vmlinux.bin rescue.bin
  77 ## zImage     - Compressed kernel (gzip)
  78         @make -C arch/$(ARCH)/boot/ zImage
  79
  80 compressed: zImage
  81
  82 archmrproper:
  83 archclean:
  84         $(Q)$(MAKE) -f scripts/Makefile.clean obj=arch/$(ARCH)/boot
  85         rm -f timage vmlinux.bin cramfs.img
  86         rm -rf $(LD_SCRIPT).tmp
  87
  88 prepare: arch/$(ARCH)/.links include/asm-$(ARCH)/.arch \
  89          include/asm-$(ARCH)/$(SARCH)/offset.h
  90
  91 # Create some links to make all tools happy
  92 arch/$(ARCH)/.links:
  93         @ln -sfn $(SARCH)/drivers arch/$(ARCH)/drivers
  94         @ln -sfn $(SARCH)/boot arch/$(ARCH)/boot
  95         @ln -sfn $(SARCH)/lib arch/$(ARCH)/lib
  96         @ln -sfn $(SARCH)/vmlinux.lds.S arch/$(ARCH)/vmlinux.lds.S
  97         @touch $@
  98
  99 # Create link to sub arch includes
 100 include/asm-$(ARCH)/.arch: $(wildcard include/config/arch/*.h)
 101         @echo '  Making asm-$(ARCH)/arch -> asm-$(ARCH)/$(SARCH) symlink'
 102         @rm -f include/asm-$(ARCH)/arch
 103         @ln -sf $(SARCH) include/asm-$(ARCH)/arch
 104         @touch $@
 105
 106 arch/$(ARCH)/$(SARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
 107                                         include/config/MARKER
 108
 109 include/asm-$(ARCH)/$(SARCH)/offset.h: arch/$(ARCH)/$(SARCH)/kernel/asm-offsets.s
 110         $(call filechk,gen-asm-offsets)