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
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
11 ifeq ($(CROSS_COMPILE),)
12 # If building with TILERA_ROOT set (i.e. using the Tilera Multicore
13 # Development Environment) we can set CROSS_COMPILE based on that.
15 CROSS_COMPILE = $(TILERA_ROOT)/bin/tile-
19 # If we're not cross-compiling, make sure we're on the right architecture.
20 ifeq ($(CROSS_COMPILE),)
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))
28 KBUILD_CFLAGS += $(CONFIG_DEBUG_EXTRA_FLAGS)
30 LIBGCC_PATH := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
32 # Provide the path to use for "make defconfig".
33 KBUILD_DEFCONFIG := $(ARCH)_defconfig
35 # Used as a file extension when useful, e.g. head_$(BITS).o
36 # Not needed for (e.g.) "$(CC) -m32" since the compiler automatically
37 # uses the right default anyway.
39 ifeq ($(CONFIG_TILEGX),y)
45 head-y := arch/tile/kernel/head_$(BITS).o
47 libs-y += arch/tile/lib/
48 libs-y += $(LIBGCC_PATH)
51 # See arch/tile/Kbuild for content of core part of the kernel