# # 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. # # Copyright (C) 2001 - 2005 Tensilica Inc. # Copyright (C) 2014 Cadence Design Systems Inc. # # 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 # Core configuration. # (Use VAR= to use another default compiler.) variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME)) VARIANT = $(variant-y) export VARIANT # Test for cross compiling ifneq ($(VARIANT),) COMPILE_ARCH = $(shell uname -m) ifneq ($(COMPILE_ARCH), xtensa) ifndef CROSS_COMPILE CROSS_COMPILE = xtensa_$(VARIANT)- endif endif endif # Platform configuration platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga PLATFORM = $(platform-y) export PLATFORM # temporarily until string.h is fixed KBUILD_CFLAGS += -ffreestanding -D__linux__ KBUILD_CFLAGS += -pipe -mlongcalls -mtext-section-literals KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) KBUILD_CFLAGS += $(call cc-option,-mno-serialize-volatile,) KBUILD_AFLAGS += -mlongcalls -mtext-section-literals ifneq ($(CONFIG_LD_NO_RELAX),) KBUILD_LDFLAGS := --no-relax endif ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1) CHECKFLAGS += -D__XTENSA_EB__ KBUILD_CPPFLAGS += -DCONFIG_CPU_BIG_ENDIAN endif ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1) CHECKFLAGS += -D__XTENSA_EL__ KBUILD_CPPFLAGS += -DCONFIG_CPU_LITTLE_ENDIAN endif vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) KBUILD_DEFCONFIG := iss_defconfig # Only build variant and/or platform if it includes a Makefile buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) # Find libgcc.a LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) head-y := arch/xtensa/kernel/head.o core-y += arch/xtensa/kernel/ arch/xtensa/mm/ core-y += $(buildvar) $(buildplf) core-y += arch/xtensa/boot/dts/ libs-y += arch/xtensa/lib/ $(LIBGCC) drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/ boot := arch/xtensa/boot all Image zImage uImage xipImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $@ archheaders: $(Q)$(MAKE) $(build)=arch/xtensa/kernel/syscalls all define archhelp @echo '* Image - Kernel ELF image with reset vector' @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' @echo '* uImage - U-Boot wrapped image' @echo ' xipImage - XIP image' endef