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Makefile  |  2008-12-24  |  3.9 KB  |  136 lines
  1. ###############################################################################
  2. #
  3. # MN10300 Kernel makefile system specifications
  4. #
  5. # Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
  6. # Modified by David Howells (dhowells@redhat.com)
  7. #
  8. # This program is free software; you can redistribute it and/or
  9. # modify it under the terms of the GNU General Public Licence
  10. # as published by the Free Software Foundation; either version
  11. # 2 of the Licence, or (at your option) any later version.
  12. #
  13. ###############################################################################
  14.  
  15. KBUILD_DEFCONFIG := asb2303_defconfig
  16.  
  17. CCSPECS    := $(shell $(CC) -v 2>&1 | grep "^Reading specs from " | head -1 | cut -c20-)
  18. CCDIR    := $(strip $(patsubst %/specs,%,$(CCSPECS)))
  19. KBUILD_CPPFLAGS += -nostdinc -I$(CCDIR)/include
  20.  
  21. LDFLAGS        :=
  22. OBJCOPYFLAGS    := -O binary -R .note -R .comment -S
  23. #LDFLAGS_vmlinux := -Map linkmap.txt
  24. CHECKFLAGS    +=
  25.  
  26. PROCESSOR    := unset
  27. UNIT        := unset
  28.  
  29. KBUILD_CFLAGS    += -mam33 -mmem-funcs -DCPU=AM33
  30. KBUILD_AFLAGS    += -mam33 -DCPU=AM33
  31.  
  32. ifeq ($(CONFIG_MN10300_CURRENT_IN_E2),y)
  33. KBUILD_CFLAGS    += -ffixed-e2 -fcall-saved-e5
  34. endif
  35.  
  36. ifeq ($(CONFIG_MN10300_PROC_MN103E010),y)
  37. PROCESSOR    := mn103e010
  38. endif
  39.  
  40. ifeq ($(CONFIG_MN10300_UNIT_ASB2303),y)
  41. UNIT        := asb2303
  42. endif
  43. ifeq ($(CONFIG_MN10300_UNIT_ASB2305),y)
  44. UNIT        := asb2305
  45. endif
  46.  
  47.  
  48. head-y        := arch/mn10300/kernel/head.o arch/mn10300/kernel/init_task.o
  49.  
  50. core-y        += arch/mn10300/kernel/ arch/mn10300/mm/
  51.  
  52. ifneq ($(PROCESSOR),unset)
  53. core-y        += arch/mn10300/proc-$(PROCESSOR)/
  54. endif
  55. ifneq ($(UNIT),unset)
  56. core-y        += arch/mn10300/unit-$(UNIT)/
  57. endif
  58. libs-y        += arch/mn10300/lib/
  59.  
  60. drivers-$(CONFIG_OPROFILE)    += arch/mn10300/oprofile/
  61.  
  62. boot := arch/mn10300/boot
  63.  
  64. .PHONY: zImage
  65.  
  66. KBUILD_IMAGE := $(boot)/zImage
  67. CLEAN_FILES += $(boot)/zImage
  68. CLEAN_FILES += $(boot)/compressed/vmlinux
  69. CLEAN_FILES += $(boot)/compressed/vmlinux.bin
  70. CLEAN_FILES += $(boot)/compressed/vmlinux.bin.gz
  71.  
  72. zImage: vmlinux
  73.     $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  74.  
  75. all: zImage
  76.  
  77. bootstrap:
  78.     $(Q)$(MAKEBOOT) bootstrap
  79.  
  80. archclean:
  81.     $(Q)$(MAKE) $(clean)=arch/mn10300/proc-mn103e010
  82.     $(Q)$(MAKE) $(clean)=arch/mn10300/unit-asb2303
  83.     $(Q)$(MAKE) $(clean)=arch/mn10300/unit-asb2305
  84.  
  85. define archhelp
  86.   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
  87. endef
  88.  
  89. # If you make sure the .S files get compiled with debug info,
  90. # uncomment the following to disable optimisations
  91. # that are unhelpful whilst debugging.
  92. ifdef CONFIG_DEBUG_INFO
  93. #KBUILD_CFLAGS    += -O1
  94. KBUILD_AFLAGS    += -Wa,--gdwarf2
  95. endif
  96.  
  97. ###################################################################################################
  98. #
  99. # juggle some symlinks in the MN10300 asm include dir
  100. #
  101. #    Update machine proc and unit symlinks if something which affects
  102. #    them changed.  We use .proc / .unit to indicate when they were
  103. #    updated last, otherwise make uses the target directory mtime.
  104. #
  105. ###################################################################################################
  106.  
  107. # processor specific definitions
  108. include/asm-mn10300/.proc: $(wildcard include/config/proc/*.h) include/config/auto.conf
  109.     @echo '  SYMLINK include/asm-mn10300/proc -> include/asm-mn10300/proc-$(PROCESSOR)'
  110. ifneq ($(KBUILD_SRC),)
  111.     $(Q)mkdir -p include/asm-mn10300
  112.     $(Q)ln -fsn $(srctree)/include/asm-mn10300/proc-$(PROCESSOR) include/asm-mn10300/proc
  113. else
  114.     $(Q)ln -fsn proc-$(PROCESSOR) include/asm-mn10300/proc
  115. endif
  116.     @touch $@
  117.  
  118. CLEAN_FILES += include/asm-mn10300/proc include/asm-mn10300/.proc
  119.  
  120. prepare: include/asm-mn10300/.proc
  121.  
  122. # unit specific definitions
  123. include/asm-mn10300/.unit: $(wildcard include/config/unit/*.h) include/config/auto.conf
  124.     @echo '  SYMLINK include/asm-mn10300/unit -> include/asm-mn10300/unit-$(UNIT)'
  125. ifneq ($(KBUILD_SRC),)
  126.     $(Q)mkdir -p include/asm-mn10300
  127.     $(Q)ln -fsn $(srctree)/include/asm-mn10300/unit-$(UNIT) include/asm-mn10300/unit
  128. else
  129.     $(Q)ln -fsn unit-$(UNIT) include/asm-mn10300/unit
  130. endif
  131.     @touch $@
  132.  
  133. CLEAN_FILES += include/asm-mn10300/unit include/asm-mn10300/.unit
  134.  
  135. prepare: include/asm-mn10300/.unit
  136.