arch/arm26/Makefile

   1 #
   2 # arch/arm26/Makefile
   3 #
   4 # This file is subject to the terms and conditions of the GNU General Public
   5 # License.  See the file "COPYING" in the main directory of this archive
   6 # for more details.
   7 #
   8 # Copyright (C) 1995-2001 by Russell King
   9
  10 LDFLAGS_vmlinux :=-p -X
  11 CPPFLAGS_vmlinux.lds = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR)
  12 OBJCOPYFLAGS    :=-O binary -R .note -R .comment -S
  13 GZFLAGS         :=-9
  14
  15 ifeq ($(CONFIG_FRAME_POINTER),y)
  16 CFLAGS          +=-fno-omit-frame-pointer -mno-sched-prolog
  17 endif
  18
  19 ifeq ($(CONFIG_DEBUG_INFO),y)
  20 CFLAGS          +=-g
  21 endif
  22
  23 # Force -mno-fpu to be passed to the assembler.  Some versions of gcc don't
  24 # do this with -msoft-float
  25 CFLAGS_BOOT     :=-mapcs-26 -mcpu=arm3 -mshort-load-bytes -msoft-float -Wa,-mno-fpu -Uarm
  26 CFLAGS          +=-mapcs-26 -mcpu=arm3 -mshort-load-bytes -msoft-float -Wa,-mno-fpu -Uarm
  27 AFLAGS          +=-mapcs-26 -mcpu=arm3 -mno-fpu -msoft-float -Wa,-mno-fpu
  28
  29 head-y          := arch/arm26/machine/head.o arch/arm26/kernel/init_task.o
  30
  31 ifeq ($(CONFIG_XIP_KERNEL),y)
  32   TEXTADDR       := 0x03880000
  33   DATAADDR       := 0x02080000
  34 else
  35   TEXTADDR       := 0x02080000
  36   DATAADDR       := .
  37 endif
  38
  39 ifeq ($(incdir-y),)
  40 incdir-y :=
  41 endif
  42 INCDIR   :=
  43
  44 export  MACHINE TEXTADDR GZFLAGS CFLAGS_BOOT
  45
  46 # If we have a machine-specific directory, then include it in the build.
  47 core-y                          += arch/arm26/kernel/ arch/arm26/mm/ arch/arm26/machine/
  48 core-$(CONFIG_FPE_NWFPE)        += arch/arm26/nwfpe/
  49
  50 libs-y                          += arch/arm26/lib/
  51
  52 # Default target when executing plain make
  53 all: zImage
  54
  55 boot := arch/arm26/boot
  56
  57 prepare: include/asm-$(ARCH)/asm_offsets.h
  58 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
  59
  60
  61 .PHONY: maketools FORCE
  62 maketools: FORCE
  63
  64
  65 # Convert bzImage to zImage
  66 bzImage: vmlinux
  67         $(Q)$(MAKE) $(build)=$(boot) $(boot)/zImage
  68
  69 zImage Image bootpImage xipImage: vmlinux
  70         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  71
  72 zinstall install: vmlinux
  73         $(Q)$(MAKE) $(build)=$(boot) $@
  74
  75 # We use MRPROPER_FILES and CLEAN_FILES now
  76 archclean:
  77         $(Q)$(MAKE) $(clean)=$(boot)
  78
  79 # My testing targets (that short circuit a few dependencies)
  80 zImg:;  $(Q)$(MAKE) $(build)=$(boot) $(boot)/zImage
  81 Img:;   $(Q)$(MAKE) $(build)=$(boot) $(boot)/Image
  82 bp:;    $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
  83 i:;     $(Q)$(MAKE) $(build)=$(boot) install
  84 zi:;    $(Q)$(MAKE) $(build)=$(boot) zinstall
  85
  86 #
  87 # Configuration targets.  Use these to select a
  88 # configuration for your architecture
  89 %_config:
  90         @( \
  91         CFG=$(@:_config=); \
  92         if [ -f arch/arm26/def-configs/$$CFG ]; then \
  93           [ -f .config ] && mv -f .config .config.old; \
  94           cp arch/arm26/def-configs/$$CFG .config; \
  95           echo "*** Default configuration for $$CFG installed"; \
  96           echo "*** Next, you may run 'make oldconfig'"; \
  97         else \
  98           echo "$$CFG does not exist"; \
  99         fi; \
 100         )
 101
 102 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
 103                                    include/config/MARKER
 104
 105 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
 106         $(call filechk,gen-asm-offsets)
 107
 108 define archhelp
 109   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 110   echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 111   echo  '  bootpImage    - Combined zImage and initial RAM disk'
 112   echo  '  initrd        - Create an initial image'
 113   echo  '  install       - Install uncompressed kernel'
 114   echo  '  zinstall      - Install compressed kernel'
 115   echo  '                  Install using (your) ~/bin/installkernel or'
 116   echo  '                  (distribution) /sbin/installkernel or'
 117   echo  '                  install to $$(INSTALL_PATH) and run lilo'
 118 endef