# # 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. # # 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=<xtensa_config> to use another default compiler.) variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom VARIANT = $(variant-y) export VARIANT # Platform configuration platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss PLATFORM = $(platform-y) export PLATFORM # temporarily until string.h is fixed KBUILD_CFLAGS += -ffreestanding KBUILD_CFLAGS += -pipe -mlongcalls KBUILD_DEFCONFIG := iss_defconfig # ramdisk/initrd support # You need a compressed ramdisk image, named ramdisk.gz in # arch/xtensa/boot/ramdisk core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/ # 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 # LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) head-y := arch/xtensa/kernel/head.o core-y += arch/xtensa/kernel/ arch/xtensa/mm/ ifneq ($(PLATFORM),) core-y += arch/xtensa/platforms/$(PLATFORM)/ endif libs-y += arch/xtensa/lib/ $(LIBGCC) boot := arch/xtensa/boot archinc := include/asm-xtensa archprepare: $(archinc)/.platform # Update processor variant and platform symlinks if something which affects # them changed. $(archinc)/.platform: $(wildcard include/config/arch/*.h) include/config/auto.conf @echo ' SYMLINK $(archinc)/variant -> $(archinc)/variant-$(VARIANT)' $(Q)mkdir -p $(archinc) $(Q)ln -fsn $(srctree)/$(archinc)/variant-$(VARIANT) $(archinc)/variant @echo ' SYMLINK $(archinc)/platform -> $(archinc)/platform-$(PLATFORM)' $(Q)ln -fsn $(srctree)/$(archinc)/platform-$(PLATFORM) $(archinc)/platform @touch $@ all: zImage bzImage : zImage zImage zImage.initrd: vmlinux $(Q)$(MAKE) $(build)=$(boot) $@ CLEAN_FILES += arch/xtensa/vmlinux.lds \ $(archinc)/platform $(archinc)/variant \ $(archinc)/.platform define archhelp @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' endef