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Diffstat (limited to 'arch/xtensa/Makefile')
-rw-r--r-- | arch/xtensa/Makefile | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile new file mode 100644 index 00000000..7608559d --- /dev/null +++ b/arch/xtensa/Makefile @@ -0,0 +1,96 @@ +# +# 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 + +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) $(plfdirs)) +endif + +KBUILD_DEFCONFIG := iss_defconfig + +# ramdisk/initrd support +# You need a compressed ramdisk image, named ramdisk.gz in +# arch/xtensa/boot/ramdisk + +core-$(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 + +# Only build variant and/or platform if it includes a Makefile + +buildvar := $(shell test -a $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) +buildplf := $(shell test -a $(srctree)/arch/xtensa/platforms/$(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 zImage.initrd: vmlinux + $(Q)$(MAKE) $(build)=$(boot) $@ + +define archhelp + @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' +endef + |