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 # Copyright (c) 2004 Ian Molton
  10
  11 LDFLAGS_vmlinux :=-p -X
  12 CPPFLAGS_vmlinux.lds = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR)
  13 OBJCOPYFLAGS    :=-O binary -R .note -R .comment -S
  14 GZFLAGS         :=-9
  15
  16 ifeq ($(CONFIG_FRAME_POINTER),y)
  17 CFLAGS          +=-fno-omit-frame-pointer -mno-sched-prolog
  18 endif
  19
  20 ifeq ($(CONFIG_DEBUG_INFO),y)
  21 CFLAGS          +=-g
  22 endif
  23
  24 CFLAGS_BOOT     :=-mapcs-26 -mcpu=arm3 -msoft-float -Uarm
  25 CFLAGS          +=-mapcs-26 -mcpu=arm3 -msoft-float -Uarm
  26 AFLAGS          +=-mapcs-26 -mcpu=arm3 -msoft-float
  27
  28 ifeq ($(CONFIG_XIP_KERNEL),y)
  29   TEXTADDR       := 0x03880000
  30   DATAADDR       := 0x02080000
  31 else
  32   TEXTADDR       := 0x02080000
  33   DATAADDR       := .
  34 endif
  35
  36 head-y          := arch/arm26/kernel/head.o arch/arm26/kernel/init_task.o
  37
  38 ifeq ($(incdir-y),)
  39 incdir-y :=
  40 endif
  41 INCDIR   :=
  42
  43 export  MACHINE TEXTADDR GZFLAGS CFLAGS_BOOT
  44
  45 # If we have a machine-specific directory, then include it in the build.
  46 core-y                          += arch/arm26/kernel/ arch/arm26/mm/ arch/arm26/machine/
  47 core-$(CONFIG_FPE_NWFPE)        += arch/arm26/nwfpe/
  48
  49 libs-y                          += arch/arm26/lib/
  50
  51 # Default target when executing plain make
  52 all: zImage
  53
  54 boot := arch/arm26/boot
  55
  56 prepare: include/asm-$(ARCH)/asm_offsets.h
  57 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
  58
  59
  60 .PHONY: maketools FORCE
  61 maketools: FORCE
  62
  63
  64 # Convert bzImage to zImage
  65 bzImage: vmlinux
  66         $(Q)$(MAKE) $(build)=$(boot) $(boot)/zImage
  67
  68 zImage Image bootpImage xipImage: vmlinux
  69         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  70
  71 zinstall install: vmlinux
  72         $(Q)$(MAKE) $(build)=$(boot) $@
  73
  74 # We use MRPROPER_FILES and CLEAN_FILES now
  75 archclean:
  76         $(Q)$(MAKE) $(clean)=$(boot)
  77
  78 # My testing targets (that short circuit a few dependencies)
  79 zImg:;  $(Q)$(MAKE) $(build)=$(boot) $(boot)/zImage
  80 Img:;   $(Q)$(MAKE) $(build)=$(boot) $(boot)/Image
  81 bp:;    $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
  82 i:;     $(Q)$(MAKE) $(build)=$(boot) install
  83 zi:;    $(Q)$(MAKE) $(build)=$(boot) zinstall
  84
  85 #
  86 # Configuration targets.  Use these to select a
  87 # configuration for your architecture
  88 %_config:
  89         @( \
  90         CFG=$(@:_config=); \
  91         if [ -f arch/arm26/def-configs/$$CFG ]; then \
  92           [ -f .config ] && mv -f .config .config.old; \
  93           cp arch/arm26/def-configs/$$CFG .config; \
  94           echo "*** Default configuration for $$CFG installed"; \
  95           echo "*** Next, you may run 'make oldconfig'"; \
  96         else \
  97           echo "$$CFG does not exist"; \
  98         fi; \
  99         )
 100
 101 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
 102                                    include/config/MARKER
 103
 104 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
 105         $(call filechk,gen-asm-offsets)
 106
 107 define archhelp
 108   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 109   echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 110   echo  '  bootpImage    - Combined zImage and initial RAM disk'
 111   echo  '  xipImage      - eXecute In Place capable image for ROM use (arch/$(ARCH)/boot/xipImage)'
 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