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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
Chris Metcalf867e3592010-05-28 23:09:12 -040011# If building with TILERA_ROOT set (i.e. using the Tilera Multicore
12# Development Environment) we can set CROSS_COMPILE based on that.
Chris Metcalf867e3592010-05-28 23:09:12 -040013# If we're not cross-compiling, make sure we're on the right architecture.
Chris Metcalfa5854dd2010-08-15 15:01:45 -040014# Only bother to test for a few common targets, to avoid useless errors.
Chris Metcalf867e3592010-05-28 23:09:12 -040015ifeq ($(CROSS_COMPILE),)
Chris Metcalfa5854dd2010-08-15 15:01:45 -040016 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),$(ARCH))
Chris Metcalf867e3592010-05-28 23:09:12 -040023$(error Set TILERA_ROOT or CROSS_COMPILE when building $(ARCH) on $(HOST_ARCH))
Chris Metcalfa5854dd2010-08-15 15:01:45 -040024 endif
25 endif
26 endif
Chris Metcalf867e3592010-05-28 23:09:12 -040027endif
28
Chris Metcalf45123f72010-10-14 15:16:59 -040029ifneq ($(CONFIG_DEBUG_EXTRA_FLAGS),"")
Chris Metcalf867e3592010-05-28 23:09:12 -040030KBUILD_CFLAGS += $(CONFIG_DEBUG_EXTRA_FLAGS)
Chris Metcalf45123f72010-10-14 15:16:59 -040031endif
Chris Metcalf867e3592010-05-28 23:09:12 -040032
Chris Metcalf6731aa92012-03-29 15:30:19 -040033LIBGCC_PATH := \
34 $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
Chris Metcalf867e3592010-05-28 23:09:12 -040035
36# Provide the path to use for "make defconfig".
Chris Metcalf1fcb78e2012-05-20 15:15:34 -040037# We default to the newer TILE-Gx architecture if only "tile" is given.
38ifeq ($(ARCH),tile)
39 KBUILD_DEFCONFIG := tilegx_defconfig
40else
41 KBUILD_DEFCONFIG := $(ARCH)_defconfig
42endif
Chris Metcalf867e3592010-05-28 23:09:12 -040043
44# Used as a file extension when useful, e.g. head_$(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
Chris Metcalf867e3592010-05-28 23:09:12 -040059# See arch/tile/Kbuild for content of core part of the kernel
60core-y += arch/tile/
Chris Metcalf45123f72010-10-14 15:16:59 -040061
62ifdef TILERA_ROOT
63INSTALL_PATH ?= $(TILERA_ROOT)/tile/boot
64endif
65
66install:
67 install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
68 install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
69 install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
70
71define archhelp
72 echo ' install - install kernel into $(INSTALL_PATH)'
73endef