# # 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