diff options
Diffstat (limited to 'kernel/arch/tile/Makefile')
-rw-r--r-- | kernel/arch/tile/Makefile | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/kernel/arch/tile/Makefile b/kernel/arch/tile/Makefile new file mode 100644 index 000000000..4dc380a51 --- /dev/null +++ b/kernel/arch/tile/Makefile @@ -0,0 +1,75 @@ +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# +# This file is included by the global makefile so that you can add your own +# architecture-specific flags and dependencies. Remember to do have actions +# for "archclean" and "archdep" for cleaning up and making dependencies for +# this architecture + +# If building with TILERA_ROOT set (i.e. using the Tilera Multicore +# Development Environment) we can set CROSS_COMPILE based on that. +# If we're not cross-compiling, make sure we're on the right architecture. +# Only bother to test for a few common targets, to avoid useless errors. +ifeq ($(CROSS_COMPILE),) + ifdef TILERA_ROOT + CROSS_COMPILE := $(TILERA_ROOT)/bin/tile- + else + goals := $(if $(MAKECMDGOALS), $(MAKECMDGOALS), all) + ifneq ($(strip $(filter vmlinux modules all,$(goals))),) + HOST_ARCH := $(shell uname -m) + ifneq ($(HOST_ARCH),$(ARCH)) +$(error Set TILERA_ROOT or CROSS_COMPILE when building $(ARCH) on $(HOST_ARCH)) + endif + endif + endif +endif + +# The tile compiler may emit .eh_frame information for backtracing. +# In kernel modules, this causes load failures due to unsupported relocations. +KBUILD_CFLAGS += -fno-asynchronous-unwind-tables + +LIBGCC_PATH := \ + $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name) + +# Provide the path to use for "make defconfig". +# We default to the newer TILE-Gx architecture if only "tile" is given. +ifeq ($(ARCH),tile) + KBUILD_DEFCONFIG := tilegx_defconfig +else + KBUILD_DEFCONFIG := $(ARCH)_defconfig +endif + +# Used as a file extension when useful, e.g. head_$(BITS).o +# Not needed for (e.g.) "$(CC) -m32" since the compiler automatically +# uses the right default anyway. +export BITS +ifeq ($(CONFIG_TILEGX),y) +BITS := 64 +else +BITS := 32 +endif + +head-y := arch/tile/kernel/head_$(BITS).o + +libs-y += arch/tile/lib/ +libs-y += $(LIBGCC_PATH) + +# See arch/tile/Kbuild for content of core part of the kernel +core-y += arch/tile/ + +core-$(CONFIG_TILE_GXIO) += arch/tile/gxio/ + +ifdef TILERA_ROOT +INSTALL_PATH ?= $(TILERA_ROOT)/tile/boot +endif + +install: + install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) + install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) + install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) + +define archhelp + echo ' install - install kernel into $(INSTALL_PATH)' +endef |