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- #
- # 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 CPU=<xtensa_config> to use another default compiler.)
- cpu-$(CONFIG_XTENSA_CPU_LINUX_BE) := linux_be
- cpu-$(CONFIG_XTENSA_CPU_LINUX_CUSTOM) := linux_custom
- CPU = $(cpu-y)
- export CPU
- # Platform configuration
- platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
- platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
- PLATFORM = $(platform-y)
- export PLATFORM
- CPPFLAGS += $(if $(KBUILD_SRC),-I$(srctree)/include/asm-xtensa/)
- CPPFLAGS += -Iinclude/asm
- 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-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/
- # Test for cross compiling
- ifneq ($(CPU),)
- COMPILE_ARCH = $(shell uname -m)
- ifneq ($(COMPILE_ARCH), xtensa)
- ifndef CROSS_COMPILE
- CROSS_COMPILE = xtensa_$(CPU)-
- endif
- endif
- endif
- #
- LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
- head-y := arch/xtensa/kernel/head.o
- core-y += arch/xtensa/kernel/ arch/xtensa/mm/
- ifneq ($(PLATFORM),)
- core-y += arch/xtensa/platform-$(PLATFORM)/
- endif
- libs-y += arch/xtensa/lib/ $(LIBGCC)
- boot := arch/xtensa/boot
- archinc := include/asm-xtensa
- archprepare: $(archinc)/.platform
- # Update machine cpu and platform symlinks if something which affects
- # them changed.
- $(archinc)/.platform: $(wildcard include/config/arch/*.h) include/config/auto.conf
- @echo ' SYMLINK $(archinc)/xtensa/config -> $(archinc)/xtensa/config-$(CPU)'
- $(Q)mkdir -p $(archinc)
- $(Q)mkdir -p $(archinc)/xtensa
- $(Q)ln -fsn $(srctree)/$(archinc)/xtensa/config-$(CPU) $(archinc)/xtensa/config
- @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)/xtensa/config \
- $(archinc)/.platform
- define archhelp
- @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
- endef
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