18e1a6dd2SChris Zankel# 28e1a6dd2SChris Zankel# This file is subject to the terms and conditions of the GNU General Public 38e1a6dd2SChris Zankel# License. See the file "COPYING" in the main directory of this archive 48e1a6dd2SChris Zankel# for more details. 58e1a6dd2SChris Zankel# 68e1a6dd2SChris Zankel# Copyright (C) 2001 - 2005 Tensilica Inc. 7420ae951SMax Filippov# Copyright (C) 2014 Cadence Design Systems Inc. 88e1a6dd2SChris Zankel# 98e1a6dd2SChris Zankel# This file is included by the global makefile so that you can add your own 108e1a6dd2SChris Zankel# architecture-specific flags and dependencies. Remember to do have actions 118e1a6dd2SChris Zankel# for "archclean" and "archdep" for cleaning up and making dependencies for 128e1a6dd2SChris Zankel# this architecture 138e1a6dd2SChris Zankel 148e1a6dd2SChris Zankel# Core configuration. 15173d6681SChris Zankel# (Use VAR=<xtensa_config> to use another default compiler.) 168e1a6dd2SChris Zankel 17420ae951SMax Filippovvariant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME)) 188e1a6dd2SChris Zankel 19173d6681SChris ZankelVARIANT = $(variant-y) 20173d6681SChris Zankelexport VARIANT 218e1a6dd2SChris Zankel 2270cefe76SGeert Uytterhoeven# Test for cross compiling 2370cefe76SGeert Uytterhoeven 2470cefe76SGeert Uytterhoevenifneq ($(VARIANT),) 2570cefe76SGeert Uytterhoeven COMPILE_ARCH = $(shell uname -m) 2670cefe76SGeert Uytterhoeven 2770cefe76SGeert Uytterhoeven ifneq ($(COMPILE_ARCH), xtensa) 2870cefe76SGeert Uytterhoeven ifndef CROSS_COMPILE 2970cefe76SGeert Uytterhoeven CROSS_COMPILE = xtensa_$(VARIANT)- 3070cefe76SGeert Uytterhoeven endif 3170cefe76SGeert Uytterhoeven endif 3270cefe76SGeert Uytterhoevenendif 3370cefe76SGeert Uytterhoeven 348e1a6dd2SChris Zankel# Platform configuration 358e1a6dd2SChris Zankel 368e1a6dd2SChris Zankelplatform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 378e1a6dd2SChris Zankelplatform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss 380d456badSMax Filippovplatform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga 398e1a6dd2SChris Zankel 408e1a6dd2SChris ZankelPLATFORM = $(platform-y) 418e1a6dd2SChris Zankelexport PLATFORM 428e1a6dd2SChris Zankel 43b2444d34SChris Zankel# temporarily until string.h is fixed 44a753cd9aSMax FilippovKBUILD_CFLAGS += -ffreestanding -D__linux__ 45b2444d34SChris Zankel 46a0f97e06SSam RavnborgKBUILD_CFLAGS += -pipe -mlongcalls 478e1a6dd2SChris Zankel 48cf1c0aafSChris ZankelKBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) 497bf5234dSMax FilippovKBUILD_CFLAGS += $(call cc-option,-mno-serialize-volatile,) 50cf1c0aafSChris Zankel 5165501622SChris Zankelifneq ($(CONFIG_LD_NO_RELAX),) 5265501622SChris ZankelLDFLAGS := --no-relax 5365501622SChris Zankelendif 5465501622SChris Zankel 55123f15e6SMax Filippovifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1) 5672100ed7SMax FilippovCHECKFLAGS += -D__XTENSA_EB__ 574611bf7eSMax FilippovKBUILD_CPPFLAGS += -DCONFIG_CPU_BIG_ENDIAN 5872100ed7SMax Filippovendif 59123f15e6SMax Filippovifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1) 6072100ed7SMax FilippovCHECKFLAGS += -D__XTENSA_EL__ 614611bf7eSMax FilippovKBUILD_CPPFLAGS += -DCONFIG_CPU_LITTLE_ENDIAN 6272100ed7SMax Filippovendif 6372100ed7SMax Filippov 64367b8112SChris Zankelvardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) 65367b8112SChris Zankelplfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) 66367b8112SChris Zankel 67367b8112SChris Zankelifeq ($(KBUILD_SRC),) 68367b8112SChris ZankelKBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs)) 69367b8112SChris Zankelelse 70367b8112SChris ZankelKBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) 71367b8112SChris Zankelendif 72367b8112SChris Zankel 73e7d163f7SChris ZankelKBUILD_DEFCONFIG := iss_defconfig 748e1a6dd2SChris Zankel 75f1933189SChris Zankel# Only build variant and/or platform if it includes a Makefile 76f1933189SChris Zankel 770eff08b5SGeert Uytterhoevenbuildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) 780eff08b5SGeert Uytterhoevenbuildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) 79f1933189SChris Zankel 80f1933189SChris Zankel# Find libgcc.a 818e1a6dd2SChris Zankel 82a0f97e06SSam RavnborgLIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 838e1a6dd2SChris Zankel 848e1a6dd2SChris Zankelhead-y := arch/xtensa/kernel/head.o 85e7d163f7SChris Zankelcore-y += arch/xtensa/kernel/ arch/xtensa/mm/ 86f1933189SChris Zankelcore-y += $(buildvar) $(buildplf) 87f1933189SChris Zankel 888e1a6dd2SChris Zankellibs-y += arch/xtensa/lib/ $(LIBGCC) 89e6ffe17eSdanndrivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/ 908e1a6dd2SChris Zankel 91da844a81SMax Filippovifneq ($(CONFIG_BUILTIN_DTB),"") 922a02bc16SStephen Warrencore-$(CONFIG_OF) += arch/xtensa/boot/dts/ 93da844a81SMax Filippovendif 94da844a81SMax Filippov 958e1a6dd2SChris Zankelboot := arch/xtensa/boot 968e1a6dd2SChris Zankel 979a736fcbSMax Filippovall Image zImage uImage: vmlinux 988e1a6dd2SChris Zankel $(Q)$(MAKE) $(build)=$(boot) $@ 998e1a6dd2SChris Zankel 100da844a81SMax Filippov%.dtb: 1012a02bc16SStephen Warren $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@ 102da844a81SMax Filippov 10399085704SRob Herringdtbs: scripts 10499085704SRob Herring $(Q)$(MAKE) $(build)=$(boot)/dts 10599085704SRob Herring 1068e1a6dd2SChris Zankeldefine archhelp 1079a736fcbSMax Filippov @echo '* Image - Kernel ELF image with reset vector' 1088e1a6dd2SChris Zankel @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' 1099a736fcbSMax Filippov @echo '* uImage - U-Boot wrapped image' 11099085704SRob Herring @echo ' dtbs - Build device tree blobs for enabled boards' 1118e1a6dd2SChris Zankelendef 112