target/linux/ubicom32/files/arch/ubicom32/Makefile

   1 #
   2 # arch/ubicom32/Makefile
   3 #       <TODO: Replace with short file description>
   4 #
   5 # (C) Copyright 2009, Ubicom, Inc.
   6 #
   7 # This file is part of the Ubicom32 Linux Kernel Port.
   8 #
   9 # The Ubicom32 Linux Kernel Port is free software: you can redistribute
  10 # it and/or modify it under the terms of the GNU General Public License
  11 # as published by the Free Software Foundation, either version 2 of the
  12 # License, or (at your option) any later version.
  13 #
  14 # The Ubicom32 Linux Kernel Port is distributed in the hope that it
  15 # will be useful, but WITHOUT ANY WARRANTY; without even the implied
  16 # warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  17 # the GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with the Ubicom32 Linux Kernel Port.  If not,
  21 # see <http://www.gnu.org/licenses/>.
  22 #
  23 # Ubicom32 implementation derived from (with many thanks):
  24 #   arch/m68knommu
  25 #   arch/blackfin
  26 #   arch/parisc
  27 #
  28
  29 KBUILD_DEFCONFIG :=
  30
  31 # setup the machine name and machine dependent settings
  32 machine-$(CONFIG_UBICOM32_V3)   := ip5k
  33 machine-$(CONFIG_UBICOM32_V4)   := ip7k
  34 MACHINE := $(machine-y)
  35 export MACHINE
  36
  37 model-$(CONFIG_RAMKERNEL)       := ram
  38 model-$(CONFIG_ROMKERNEL)       := rom
  39 MODEL := $(model-y)
  40 export MODEL
  41
  42 CPUCLASS := $(cpuclass-y)
  43
  44 export CPUCLASS
  45
  46 #
  47 # We want the core kernel built using the fastcall ABI but modules need
  48 # to be built using the slower calling convention because they could be
  49 # loaded out of range for fast calls.
  50 #
  51 CFLAGS_KERNEL    += -mfastcall
  52 CFLAGS_MODULE    += -mno-fastcall
  53
  54 #
  55 # Some CFLAG additions based on specific CPU type.
  56 #
  57 cflags-$(CONFIG_UBICOM32_V3)            := -march=ubicom32v3 -DIP5000
  58 cflags-$(CONFIG_UBICOM32_V4)            := -march=ubicom32v4 -DIP7000
  59
  60 ldflags-$(CONFIG_LINKER_RELAXATION)     := --relax
  61 LDFLAGS_vmlinux := $(ldflags-y)
  62
  63 GCCLIBDIR := $(dir $(shell $(CC) $(cflags-y) -print-libgcc-file-name))
  64 GCC_LIBS := $(GCCLIBDIR)/libgcc.a
  65
  66 KBUILD_CFLAGS += $(cflags-y) -ffunction-sections
  67 KBUILD_AFLAGS += $(cflags-y)
  68
  69 KBUILD_CFLAGS += -D__linux__ -Dlinux
  70 KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
  71
  72 # include any machine specific directory
  73 ifneq ($(machine-y),)
  74 core-y += arch/$(ARCH)/mach-$(MACHINE)/
  75 endif
  76
  77 head-y := arch/$(ARCH)/kernel/head.o
  78
  79 core-y  += arch/$(ARCH)/kernel/ \
  80            arch/$(ARCH)/mm/ \
  81            arch/$(ARCH)/crypto/ \
  82            arch/$(ARCH)/mach-common/
  83
  84 drivers-$(CONFIG_OPROFILE)      += arch/ubicom32/oprofile/
  85
  86 libs-y  += arch/$(ARCH)/lib/
  87 libs-y  += $(GCC_LIBS)
  88
  89 archclean:
  90
  91 # make sure developer has selected a valid board
  92 ifeq ($(CONFIG_NOBOARD),y)
  93 # $(error have to select a valid board file $(CONFIG_NOBOARD), please run kernel config again)
  94 _all: config_board_error
  95 endif
  96
  97 config_board_error:
  98         @echo "*************************************************"
  99         @echo "You have not selected a proper board."
 100         @echo "Please run menuconfig (or config) against your"
 101         @echo "kernel and choose your board under Processor"
 102         @echo "options"
 103         @echo "*************************************************"
 104         @exit 1