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-$(CONFIG_XTENSA_VARIANT_DC233C) := dc233c
19 variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000
20 variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom
22 VARIANT = $(variant-y)
25 # Test for cross compiling
28 COMPILE_ARCH = $(shell uname -m)
30 ifneq ($(COMPILE_ARCH), xtensa)
32 CROSS_COMPILE = xtensa_$(VARIANT)-
37 # Platform configuration
39 platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
40 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
41 platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105
42 platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga
44 PLATFORM = $(platform-y)
47 # temporarily until string.h is fixed
48 KBUILD_CFLAGS += -ffreestanding -D__linux__
50 KBUILD_CFLAGS += -pipe -mlongcalls
52 KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
54 ifneq ($(CONFIG_LD_NO_RELAX),)
58 ifeq ($(shell echo -e __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1)
59 CHECKFLAGS += -D__XTENSA_EB__
61 ifeq ($(shell echo -e __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1)
62 CHECKFLAGS += -D__XTENSA_EL__
65 vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
66 plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
69 KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs))
71 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
74 KBUILD_DEFCONFIG := iss_defconfig
76 # Only build variant and/or platform if it includes a Makefile
78 buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
79 buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
83 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
85 head-y := arch/xtensa/kernel/head.o
86 core-y += arch/xtensa/kernel/ arch/xtensa/mm/
87 core-y += $(buildvar) $(buildplf)
89 libs-y += arch/xtensa/lib/ $(LIBGCC)
90 drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/
92 ifneq ($(CONFIG_BUILTIN_DTB),"")
93 core-$(CONFIG_OF) += arch/xtensa/boot/dts/
96 boot := arch/xtensa/boot
103 $(Q)$(MAKE) $(build)=$(boot) $@
106 $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
109 @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'