kernel/linux/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 LDFLAGS_BLOB    :=--format binary
  12 AFLAGS_vmlinux.lds.o = -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 # Force -mno-fpu to be passed to the assembler.  Some versions of gcc don't
  25 # do this with -msoft-float
  26 CFLAGS_BOOT     :=-mapcs-26 -mcpu=arm3 -mshort-load-bytes -msoft-float -Wa,-mno-fpu -Uarm
  27 CFLAGS          +=-mapcs-26 -mcpu=arm3 -mshort-load-bytes -msoft-float -Wa,-mno-fpu -Uarm
  28 AFLAGS          +=-mapcs-26 -mcpu=arm3 -mno-fpu -msoft-float -Wa,-mno-fpu
  29
  30 head-y          := arch/arm26/machine/head.o arch/arm26/kernel/init_task.o
  31 LDFLAGS_BLOB    += --oformat elf32-littlearm
  32
  33 ifeq ($(CONFIG_XIP_KERNEL),y)
  34   TEXTADDR       := 0x03880000
  35   DATAADDR       := 0x02080000
  36 else
  37   TEXTADDR       := 0x02080000
  38   DATAADDR       := .
  39 endif
  40
  41 ifeq ($(incdir-y),)
  42 incdir-y :=
  43 endif
  44 INCDIR   :=
  45
  46 export  MACHINE TEXTADDR GZFLAGS CFLAGS_BOOT
  47
  48 # If we have a machine-specific directory, then include it in the build.
  49 core-y                          += arch/arm26/kernel/ arch/arm26/mm/ arch/arm26/machine/
  50 core-$(CONFIG_FPE_NWFPE)        += arch/arm26/nwfpe/
  51
  52 libs-y                          += arch/arm26/lib/
  53
  54 # Default target when executing plain make
  55 all: zImage
  56
  57 boot := arch/arm26/boot
  58
  59 prepare: include/asm-$(ARCH)/asm_offsets.h
  60 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
  61
  62
  63 .PHONY: maketools FORCE
  64 maketools: FORCE
  65
  66
  67 # Convert bzImage to zImage
  68 bzImage: vmlinux
  69         $(Q)$(MAKE) $(build)=$(boot) $(boot)/zImage
  70
  71 zImage Image bootpImage xipImage: vmlinux
  72         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  73
  74 zinstall install: vmlinux
  75         $(Q)$(MAKE) $(build)=$(boot) $@
  76
  77 # We use MRPROPER_FILES and CLEAN_FILES now
  78 archclean:
  79         $(Q)$(MAKE) $(clean)=$(boot)
  80
  81 # My testing targets (that short circuit a few dependencies)
  82 zImg:;  $(Q)$(MAKE) $(build)=$(boot) $(boot)/zImage
  83 Img:;   $(Q)$(MAKE) $(build)=$(boot) $(boot)/Image
  84 bp:;    $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
  85 i:;     $(Q)$(MAKE) $(build)=$(boot) install
  86 zi:;    $(Q)$(MAKE) $(build)=$(boot) zinstall
  87
  88 #
  89 # Configuration targets.  Use these to select a
  90 # configuration for your architecture
  91 %_config:
  92         @( \
  93         CFG=$(@:_config=); \
  94         if [ -f arch/arm26/def-configs/$$CFG ]; then \
  95           [ -f .config ] && mv -f .config .config.old; \
  96           cp arch/arm26/def-configs/$$CFG .config; \
  97           echo "*** Default configuration for $$CFG installed"; \
  98           echo "*** Next, you may run 'make oldconfig'"; \
  99         else \
 100           echo "$$CFG does not exist"; \
 101         fi; \
 102         )
 103
 104 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
 105                                    include/config/MARKER
 106
 107 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
 108         $(call filechk,gen-asm-offsets)
 109
 110 define archhelp
 111   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 112   echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 113   echo  '  bootpImage    - Combined zImage and initial RAM disk'
 114   echo  '  initrd        - Create an initial image'
 115   echo  '  install       - Install uncompressed kernel'
 116   echo  '  zinstall      - Install compressed kernel'
 117   echo  '                  Install using (your) ~/bin/installkernel or'
 118   echo  '                  (distribution) /sbin/installkernel or'
 119   echo  '                  install to $$(INSTALL_PATH) and run lilo'
 120 endef