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     := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
34
35# Provide the path to use for "make defconfig".
36KBUILD_DEFCONFIG := $(ARCH)_defconfig
37
38# Used as a file extension when useful, e.g. head_$(BITS).o
39# Not needed for (e.g.) "$(CC) -m32" since the compiler automatically
40# uses the right default anyway.
41export BITS
42ifeq ($(CONFIG_TILEGX),y)
43BITS := 64
44else
45BITS := 32
46endif
47
48head-y		:= arch/tile/kernel/head_$(BITS).o
49
50libs-y		+= arch/tile/lib/
51libs-y		+= $(LIBGCC_PATH)
52
53# See arch/tile/Kbuild for content of core part of the kernel
54core-y		+= arch/tile/
55
56core-$(CONFIG_KVM) += arch/tile/kvm/
57
58ifdef TILERA_ROOT
59INSTALL_PATH ?= $(TILERA_ROOT)/tile/boot
60endif
61
62install:
63	install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
64	install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
65	install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
66
67define archhelp
68	echo '  install         - install kernel into $(INSTALL_PATH)'
69endef
70