blob: 07c4318c06293c4b0e6069daac9c7613cdcfd101 [file] [log] [blame]
Chris Metcalf867e3592010-05-28 23:09:12 -04001#
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
11ifeq ($(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.
14ifdef TILERA_ROOT
15CROSS_COMPILE = $(TILERA_ROOT)/bin/tile-
16endif
17endif
18
19# If we're not cross-compiling, make sure we're on the right architecture.
20ifeq ($(CROSS_COMPILE),)
21HOST_ARCH = $(shell uname -m)
22ifneq ($(HOST_ARCH),$(ARCH))
23$(error Set TILERA_ROOT or CROSS_COMPILE when building $(ARCH) on $(HOST_ARCH))
24endif
25endif
26
27
28KBUILD_CFLAGS += $(CONFIG_DEBUG_EXTRA_FLAGS)
29
30LIBGCC_PATH := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
31
32# Provide the path to use for "make defconfig".
33KBUILD_DEFCONFIG := $(ARCH)_defconfig
34
35# Used as a file extension when useful, e.g. head_$(BITS).o
36# Not needed for (e.g.) "$(CC) -m32" since the compiler automatically
37# uses the right default anyway.
38export BITS
39ifeq ($(CONFIG_TILEGX),y)
40BITS := 64
41else
42BITS := 32
43endif
44
45head-y := arch/tile/kernel/head_$(BITS).o
46
47libs-y += arch/tile/lib/
48libs-y += $(LIBGCC_PATH)
49
50
51# See arch/tile/Kbuild for content of core part of the kernel
52core-y += arch/tile/