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   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 # include the appropriate processor- and unit-specific headers
  99 #
 100 KBUILD_CPPFLAGS += -I$(srctree)/arch/mn10300/proc-$(PROCESSOR)/include
 101 KBUILD_CPPFLAGS += -I$(srctree)/arch/mn10300/unit-$(UNIT)/include