2005-06-24 05:01:10 +00:00
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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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2014-06-16 03:25:06 +00:00
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# Copyright (C) 2014 Cadence Design Systems Inc.
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2005-06-24 05:01:10 +00:00
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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 10:18:48 +00:00
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# (Use VAR=<xtensa_config> to use another default compiler.)
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2005-06-24 05:01:10 +00:00
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2014-06-16 03:25:06 +00:00
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variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME))
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2005-06-24 05:01:10 +00:00
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2006-12-10 10:18:48 +00:00
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VARIANT = $(variant-y)
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export VARIANT
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2005-06-24 05:01:10 +00:00
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2012-05-12 20:39:08 +00:00
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# Test for cross compiling
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ifneq ($(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_$(VARIANT)-
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endif
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endif
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endif
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2005-06-24 05:01:10 +00:00
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# Platform configuration
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platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
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platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
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2012-11-05 03:37:14 +00:00
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platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga
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2005-06-24 05:01:10 +00:00
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PLATFORM = $(platform-y)
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export PLATFORM
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2007-08-04 16:23:54 +00:00
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# temporarily until string.h is fixed
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2012-09-17 01:44:51 +00:00
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KBUILD_CFLAGS += -ffreestanding -D__linux__
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2007-08-04 16:23:54 +00:00
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2007-10-14 20:21:35 +00:00
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KBUILD_CFLAGS += -pipe -mlongcalls
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2005-06-24 05:01:10 +00:00
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2010-05-02 08:00:22 +00:00
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KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
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2012-11-13 23:16:36 +00:00
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ifneq ($(CONFIG_LD_NO_RELAX),)
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LDFLAGS := --no-relax
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endif
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2013-08-22 14:09:47 +00:00
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ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1)
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2012-12-10 21:26:25 +00:00
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CHECKFLAGS += -D__XTENSA_EB__
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2016-02-29 23:00:59 +00:00
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KBUILD_CPPFLAGS += -DCONFIG_CPU_BIG_ENDIAN
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2012-12-10 21:26:25 +00:00
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endif
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2013-08-22 14:09:47 +00:00
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ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1)
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2012-12-10 21:26:25 +00:00
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CHECKFLAGS += -D__XTENSA_EL__
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2016-02-29 23:00:59 +00:00
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KBUILD_CPPFLAGS += -DCONFIG_CPU_LITTLE_ENDIAN
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2012-12-10 21:26:25 +00:00
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endif
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2008-11-06 14:40:46 +00:00
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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 09:58:59 +00:00
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KBUILD_DEFCONFIG := iss_defconfig
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2005-06-24 05:01:10 +00:00
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2009-04-02 23:58:53 +00:00
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# Only build variant and/or platform if it includes a Makefile
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2012-06-20 19:52:59 +00:00
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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 23:58:53 +00:00
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# Find libgcc.a
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2005-06-24 05:01:10 +00:00
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2007-10-14 20:21:35 +00:00
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LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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2005-06-24 05:01:10 +00:00
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head-y := arch/xtensa/kernel/head.o
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2005-06-30 09:58:59 +00:00
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core-y += arch/xtensa/kernel/ arch/xtensa/mm/
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2009-04-02 23:58:53 +00:00
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core-y += $(buildvar) $(buildplf)
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2005-06-24 05:01:10 +00:00
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libs-y += arch/xtensa/lib/ $(LIBGCC)
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2008-05-22 00:43:50 +00:00
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drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/
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2005-06-24 05:01:10 +00:00
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2012-11-03 20:30:13 +00:00
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ifneq ($(CONFIG_BUILTIN_DTB),"")
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2013-01-02 18:27:14 +00:00
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core-$(CONFIG_OF) += arch/xtensa/boot/dts/
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2012-11-03 20:30:13 +00:00
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endif
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2005-06-30 09:58:59 +00:00
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boot := arch/xtensa/boot
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2016-12-25 12:58:57 +00:00
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all Image zImage uImage: vmlinux
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2005-06-24 05:01:10 +00:00
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$(Q)$(MAKE) $(build)=$(boot) $@
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2012-11-03 20:30:13 +00:00
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%.dtb:
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2013-01-02 18:27:14 +00:00
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$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
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2012-11-03 20:30:13 +00:00
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2015-10-06 22:51:21 +00:00
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dtbs: scripts
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$(Q)$(MAKE) $(build)=$(boot)/dts
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2005-06-24 05:01:10 +00:00
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define archhelp
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2016-12-25 12:58:57 +00:00
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@echo '* Image - Kernel ELF image with reset vector'
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2005-06-24 05:01:10 +00:00
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@echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
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2016-12-25 12:58:57 +00:00
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@echo '* uImage - U-Boot wrapped image'
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2015-10-06 22:51:21 +00:00
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@echo ' dtbs - Build device tree blobs for enabled boards'
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2005-06-24 05:01:10 +00:00
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endef
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