2 # This file is subject to the terms and conditions of the GNU General Public
3 # License. See the file "COPYING" in the main directory of this archive
6 # Copyright (C) 2001 - 2005 Tensilica Inc.
8 # This file is included by the global makefile so that you can add your own
9 # architecture-specific flags and dependencies. Remember to do have actions
10 # for "archclean" and "archdep" for cleaning up and making dependencies for
14 # (Use VAR=<xtensa_config> to use another default compiler.)
16 variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf
17 variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b
18 variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000
19 variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom
21 VARIANT = $(variant-y)
24 # Test for cross compiling
27 COMPILE_ARCH = $(shell uname -m)
29 ifneq ($(COMPILE_ARCH), xtensa)
31 CROSS_COMPILE = xtensa_$(VARIANT)-
36 # Platform configuration
38 platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
39 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
40 platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105
41 platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga
43 PLATFORM = $(platform-y)
46 # temporarily until string.h is fixed
47 KBUILD_CFLAGS += -ffreestanding -D__linux__
49 KBUILD_CFLAGS += -pipe -mlongcalls
51 KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
53 ifneq ($(CONFIG_LD_NO_RELAX),)
57 vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
58 plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
61 KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs))
63 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
66 KBUILD_DEFCONFIG := iss_defconfig
68 # Only build variant and/or platform if it includes a Makefile
70 buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
71 buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
75 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
77 head-y := arch/xtensa/kernel/head.o
78 core-y += arch/xtensa/kernel/ arch/xtensa/mm/
79 core-y += $(buildvar) $(buildplf)
81 libs-y += arch/xtensa/lib/ $(LIBGCC)
83 ifneq ($(CONFIG_BUILTIN_DTB),"")
84 core-y += arch/xtensa/boot/
87 boot := arch/xtensa/boot
94 $(Q)$(MAKE) $(build)=$(boot) $@
97 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
100 @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'