linux/arch/tile/Makefile
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   1#
   2# This file is subject to the terms and conditions of the GNU General Public
   3# License.  See the file "COPYING" in the main directory of this archive
   4# for more details.
   5#
   6# This file is included by the global makefile so that you can add your own
   7# architecture-specific flags and dependencies. Remember to do have actions
   8# for "archclean" and "archdep" for cleaning up and making dependencies for
   9# this architecture
  10
  11# If building with TILERA_ROOT set (i.e. using the Tilera Multicore
  12# Development Environment) we can set CROSS_COMPILE based on that.
  13# If we're not cross-compiling, make sure we're on the right architecture.
  14# Only bother to test for a few common targets, to avoid useless errors.
  15ifeq ($(CROSS_COMPILE),)
  16  ifdef TILERA_ROOT
  17    CROSS_COMPILE := $(TILERA_ROOT)/bin/tile-
  18  else
  19    goals := $(if $(MAKECMDGOALS), $(MAKECMDGOALS), all)
  20    ifneq ($(strip $(filter vmlinux modules all,$(goals))),)
  21      HOST_ARCH := $(shell uname -m)
  22      ifneq ($(HOST_ARCH),$(ARCH))
  23$(error Set TILERA_ROOT or CROSS_COMPILE when building $(ARCH) on $(HOST_ARCH))
  24      endif
  25    endif
  26  endif
  27endif
  28
  29ifneq ($(CONFIG_DEBUG_EXTRA_FLAGS),"")
  30KBUILD_CFLAGS   += $(CONFIG_DEBUG_EXTRA_FLAGS)
  31endif
  32
  33LIBGCC_PATH     := \
  34  $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
  35
  36# Provide the path to use for "make defconfig".
  37# We default to the newer TILE-Gx architecture if only "tile" is given.
  38ifeq ($(ARCH),tile)
  39        KBUILD_DEFCONFIG := tilegx_defconfig
  40else
  41        KBUILD_DEFCONFIG := $(ARCH)_defconfig
  42endif
  43
  44# Used as a file extension when useful, e.g. head_$(BITS).o
  45# Not needed for (e.g.) "$(CC) -m32" since the compiler automatically
  46# uses the right default anyway.
  47export BITS
  48ifeq ($(CONFIG_TILEGX),y)
  49BITS := 64
  50else
  51BITS := 32
  52endif
  53
  54head-y          := arch/tile/kernel/head_$(BITS).o
  55
  56libs-y          += arch/tile/lib/
  57libs-y          += $(LIBGCC_PATH)
  58
  59# See arch/tile/Kbuild for content of core part of the kernel
  60core-y          += arch/tile/
  61
  62core-$(CONFIG_TILE_GXIO) += arch/tile/gxio/
  63
  64ifdef TILERA_ROOT
  65INSTALL_PATH ?= $(TILERA_ROOT)/tile/boot
  66endif
  67
  68install:
  69        install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
  70        install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
  71        install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
  72
  73define archhelp
  74        echo '  install         - install kernel into $(INSTALL_PATH)'
  75endef
  76
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