arch/cris/Makefile

   1 # $Id: Makefile,v 1.28 2005/03/17 10:44:37 larsv 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-$(CONFIG_ETRAX_ARCH_V10) := v10
  18 arch-$(CONFIG_ETRAX_ARCH_V32) := v32
  19
  20 # No config avaiable for make clean etc
  21 ifneq ($(arch-y),)
  22 SARCH := arch-$(arch-y)
  23 else
  24 SARCH :=
  25 endif
  26
  27 LD = $(CROSS_COMPILE)ld -mcrislinux
  28
  29 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
  30
  31 CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
  32 AFLAGS += -mlinux
  33
  34 CFLAGS := $(CFLAGS) -mlinux -march=$(arch-y) -pipe
  35
  36 ifdef CONFIG_FRAME_POINTER
  37 CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS)) -g
  38 CFLAGS += -fno-omit-frame-pointer
  39 endif
  40
  41 head-y := arch/$(ARCH)/$(SARCH)/kernel/head.o
  42
  43 LIBGCC = $(shell $(CC) $(CFLAGS) -print-file-name=libgcc.a)
  44
  45 core-y          += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
  46 core-y          += arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/
  47 drivers-y       += arch/$(ARCH)/$(SARCH)/drivers/
  48 libs-y          += arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC)
  49
  50 # cris source path
  51 SRC_ARCH              = $(srctree)/arch/$(ARCH)
  52 # cris object files path
  53 OBJ_ARCH              = $(objtree)/arch/$(ARCH)
  54
  55 target_boot_arch_dir  = $(OBJ_ARCH)/$(SARCH)/boot
  56 target_boot_dir       = $(OBJ_ARCH)/boot
  57 src_boot_dir          = $(SRC_ARCH)/boot
  58 target_compressed_dir = $(OBJ_ARCH)/boot/compressed
  59 src_compressed_dir    = $(SRC_ARCH)/boot/compressed
  60 target_rescue_dir     = $(OBJ_ARCH)/boot/rescue
  61 src_rescue_dir        = $(SRC_ARCH)/boot/rescue
  62
  63 export target_boot_arch_dir target_boot_dir src_boot_dir target_compressed_dir src_compressed_dir target_rescue_dir src_rescue_dir
  64
  65 vmlinux.bin: vmlinux
  66         $(OBJCOPY) $(OBJCOPYFLAGS) vmlinux vmlinux.bin
  67
  68 timage: vmlinux.bin
  69         cat vmlinux.bin cramfs.img >timage
  70
  71 simimage: timage
  72         cp vmlinux.bin simvmlinux.bin
  73
  74 # the following will remake timage without compiling the kernel
  75 # it does of course require that all object files exist...
  76
  77 cramfs:
  78 ## cramfs      - Creates a cramfs image
  79         mkcramfs -b 8192 -m romfs_meta.txt root cramfs.img
  80         cat vmlinux.bin cramfs.img >timage
  81
  82 clinux: vmlinux.bin decompress.bin rescue.bin
  83
  84 decompress.bin: $(target_boot_dir)
  85         @$(MAKE) -f $(src_compressed_dir)/Makefile $(target_compressed_dir)/decompress.bin
  86
  87 $(target_rescue_dir)/rescue.bin: $(target_boot_dir)
  88         @$(MAKE) -f $(src_rescue_dir)/Makefile $(target_rescue_dir)/rescue.bin
  89
  90 zImage: $(target_boot_dir) vmlinux.bin $(target_rescue_dir)/rescue.bin
  91 ## zImage     - Compressed kernel (gzip)
  92         @$(MAKE) -f $(src_boot_dir)/Makefile zImage
  93
  94 $(target_boot_dir): $(target_boot_arch_dir)
  95         ln -sfn $< $@
  96
  97 $(target_boot_arch_dir):
  98         mkdir -p $@
  99
 100 compressed: zImage
 101
 102 archmrproper:
 103 archclean:
 104         @if [ -d arch/$(ARCH)/boot ]; then \
 105                 $(MAKE) $(clean)=arch/$(ARCH)/boot ; \
 106         fi
 107         rm -f timage vmlinux.bin decompress.bin rescue.bin cramfs.img
 108         rm -rf $(LD_SCRIPT).tmp
 109
 110 prepare: $(SRC_ARCH)/.links $(srctree)/include/asm-$(ARCH)/.arch \
 111          include/asm-$(ARCH)/$(SARCH)/offset.h
 112
 113 # Create some links to make all tools happy
 114 $(SRC_ARCH)/.links:
 115         @rm -rf $(SRC_ARCH)/drivers
 116         @ln -sfn $(SRC_ARCH)/$(SARCH)/drivers $(SRC_ARCH)/drivers
 117         @rm -rf $(SRC_ARCH)/boot
 118         @ln -sfn $(SRC_ARCH)/$(SARCH)/boot $(SRC_ARCH)/boot
 119         @rm -rf $(SRC_ARCH)/lib
 120         @ln -sfn $(SRC_ARCH)/$(SARCH)/lib $(SRC_ARCH)/lib
 121         @ln -sfn $(SRC_ARCH)/$(SARCH) $(SRC_ARCH)/arch
 122         @ln -sfn $(SRC_ARCH)/$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S
 123         @touch $@
 124
 125 # Create link to sub arch includes
 126 $(srctree)/include/asm-$(ARCH)/.arch: $(wildcard include/config/arch/*.h)
 127         @echo '  Making $(srctree)/include/asm-$(ARCH)/arch -> $(srctree)/include/asm-$(ARCH)/$(SARCH) symlink'
 128         @rm -f include/asm-$(ARCH)/arch
 129         @ln -sf $(srctree)/include/asm-$(ARCH)/$(SARCH) $(srctree)/include/asm-$(ARCH)/arch
 130         @touch $@
 131
 132 arch/$(ARCH)/$(SARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
 133                                         include/config/MARKER
 134
 135 include/asm-$(ARCH)/$(SARCH)/offset.h: arch/$(ARCH)/$(SARCH)/kernel/asm-offsets.s
 136         $(call filechk,gen-asm-offsets)