| # |
| # 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_DC232B) := dc232b |
| variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000 |
| variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom |
| |
| VARIANT = $(variant-y) |
| export VARIANT |
| |
| # Platform configuration |
| |
| platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 |
| platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss |
| platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105 |
| |
| PLATFORM = $(platform-y) |
| export PLATFORM |
| |
| # temporarily until string.h is fixed |
| KBUILD_CFLAGS += -ffreestanding -D__linux__ |
| |
| KBUILD_CFLAGS += -pipe -mlongcalls |
| |
| KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) |
| |
| vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) |
| plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) |
| |
| ifeq ($(KBUILD_SRC),) |
| KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs)) |
| else |
| KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) |
| endif |
| |
| KBUILD_DEFCONFIG := iss_defconfig |
| |
| # Test for cross compiling |
| |
| ifneq ($(VARIANT),) |
| COMPILE_ARCH = $(shell uname -m) |
| |
| ifneq ($(COMPILE_ARCH), xtensa) |
| ifndef CROSS_COMPILE |
| CROSS_COMPILE = xtensa_$(VARIANT)- |
| endif |
| endif |
| endif |
| |
| # 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) |
| |
| libs-y += arch/xtensa/lib/ $(LIBGCC) |
| |
| boot := arch/xtensa/boot |
| |
| all: zImage |
| |
| bzImage : zImage |
| |
| zImage: vmlinux |
| $(Q)$(MAKE) $(build)=$(boot) $@ |
| |
| define archhelp |
| @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' |
| endef |
| |