2005-06-23 23:01:10 -06:00
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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# Copyright (C) 2001 - 2005 Tensilica Inc.
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#
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# This file is included by the global makefile so that you can add your own
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# architecture-specific flags and dependencies. Remember to do have actions
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# for "archclean" and "archdep" for cleaning up and making dependencies for
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# this architecture
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# Core configuration.
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2006-12-10 03:18:48 -07:00
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# (Use VAR=<xtensa_config> to use another default compiler.)
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2005-06-23 23:01:10 -06:00
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2006-12-10 03:18:48 -07:00
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variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf
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2008-10-21 10:11:43 -06:00
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variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b
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2013-01-04 17:57:16 -07:00
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variant-$(CONFIG_XTENSA_VARIANT_DC233C) := dc233c
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2009-03-04 08:21:32 -07:00
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variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000
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2006-12-10 03:18:48 -07:00
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variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom
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2005-06-23 23:01:10 -06:00
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2006-12-10 03:18:48 -07:00
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VARIANT = $(variant-y)
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export VARIANT
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2005-06-23 23:01:10 -06:00
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2012-05-12 14:39:08 -06:00
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# Test for cross compiling
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ifneq ($(VARIANT),)
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COMPILE_ARCH = $(shell uname -m)
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ifneq ($(COMPILE_ARCH), xtensa)
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ifndef CROSS_COMPILE
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CROSS_COMPILE = xtensa_$(VARIANT)-
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endif
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endif
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endif
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2005-06-23 23:01:10 -06:00
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# Platform configuration
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platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
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platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
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2009-03-04 08:21:33 -07:00
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platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105
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2012-11-04 20:37:14 -07:00
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platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga
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2005-06-23 23:01:10 -06:00
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PLATFORM = $(platform-y)
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export PLATFORM
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2007-08-04 10:23:54 -06:00
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# temporarily until string.h is fixed
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2012-09-16 19:44:51 -06:00
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KBUILD_CFLAGS += -ffreestanding -D__linux__
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2007-08-04 10:23:54 -06:00
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2007-10-14 14:21:35 -06:00
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KBUILD_CFLAGS += -pipe -mlongcalls
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2005-06-23 23:01:10 -06:00
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2010-05-02 02:00:22 -06:00
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KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
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2012-11-13 16:16:36 -07:00
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ifneq ($(CONFIG_LD_NO_RELAX),)
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LDFLAGS := --no-relax
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endif
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2013-08-22 08:09:47 -06:00
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ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1)
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2012-12-10 14:26:25 -07:00
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CHECKFLAGS += -D__XTENSA_EB__
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endif
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2013-08-22 08:09:47 -06:00
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ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1)
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2012-12-10 14:26:25 -07:00
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CHECKFLAGS += -D__XTENSA_EL__
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endif
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2008-11-06 07:40:46 -07:00
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vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
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plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
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ifeq ($(KBUILD_SRC),)
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KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs))
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else
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KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
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endif
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2005-06-30 03:58:59 -06:00
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KBUILD_DEFCONFIG := iss_defconfig
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2005-06-23 23:01:10 -06:00
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2009-04-02 17:58:53 -06:00
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# Only build variant and/or platform if it includes a Makefile
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2012-06-20 13:52:59 -06:00
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buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
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buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
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2009-04-02 17:58:53 -06:00
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# Find libgcc.a
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2005-06-23 23:01:10 -06:00
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2007-10-14 14:21:35 -06:00
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LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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2005-06-23 23:01:10 -06:00
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head-y := arch/xtensa/kernel/head.o
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2005-06-30 03:58:59 -06:00
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core-y += arch/xtensa/kernel/ arch/xtensa/mm/
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2009-04-02 17:58:53 -06:00
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core-y += $(buildvar) $(buildplf)
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2005-06-23 23:01:10 -06:00
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libs-y += arch/xtensa/lib/ $(LIBGCC)
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2008-05-21 18:43:50 -06:00
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drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/
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2005-06-23 23:01:10 -06:00
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2012-11-03 14:30:13 -06:00
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ifneq ($(CONFIG_BUILTIN_DTB),"")
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2013-01-02 11:27:14 -07:00
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core-$(CONFIG_OF) += arch/xtensa/boot/dts/
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2012-11-03 14:30:13 -06:00
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endif
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2005-06-30 03:58:59 -06:00
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boot := arch/xtensa/boot
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2005-06-23 23:01:10 -06:00
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all: zImage
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bzImage : zImage
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2012-09-16 19:44:50 -06:00
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zImage: vmlinux
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2005-06-23 23:01:10 -06:00
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$(Q)$(MAKE) $(build)=$(boot) $@
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2012-11-03 14:30:13 -06:00
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%.dtb:
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2013-01-02 11:27:14 -07:00
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$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
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2012-11-03 14:30:13 -06:00
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2005-06-23 23:01:10 -06:00
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define archhelp
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@echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
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endef
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