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. 78e1a6dd2SChris Zankel# 88e1a6dd2SChris Zankel# This file is included by the global makefile so that you can add your own 98e1a6dd2SChris Zankel# architecture-specific flags and dependencies. Remember to do have actions 108e1a6dd2SChris Zankel# for "archclean" and "archdep" for cleaning up and making dependencies for 118e1a6dd2SChris Zankel# this architecture 128e1a6dd2SChris Zankel 138e1a6dd2SChris Zankel# Core configuration. 14173d6681SChris Zankel# (Use VAR=<xtensa_config> to use another default compiler.) 158e1a6dd2SChris Zankel 16173d6681SChris Zankelvariant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf 170025427eSChris Zankelvariant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b 18000af2c5SJohannes Weinervariant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000 19173d6681SChris Zankelvariant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom 208e1a6dd2SChris Zankel 21173d6681SChris ZankelVARIANT = $(variant-y) 22173d6681SChris Zankelexport VARIANT 238e1a6dd2SChris Zankel 2470cefe76SGeert Uytterhoeven# Test for cross compiling 2570cefe76SGeert Uytterhoeven 2670cefe76SGeert Uytterhoevenifneq ($(VARIANT),) 2770cefe76SGeert Uytterhoeven COMPILE_ARCH = $(shell uname -m) 2870cefe76SGeert Uytterhoeven 2970cefe76SGeert Uytterhoeven ifneq ($(COMPILE_ARCH), xtensa) 3070cefe76SGeert Uytterhoeven ifndef CROSS_COMPILE 3170cefe76SGeert Uytterhoeven CROSS_COMPILE = xtensa_$(VARIANT)- 3270cefe76SGeert Uytterhoeven endif 3370cefe76SGeert Uytterhoeven endif 3470cefe76SGeert Uytterhoevenendif 3570cefe76SGeert Uytterhoeven 368e1a6dd2SChris Zankel# Platform configuration 378e1a6dd2SChris Zankel 388e1a6dd2SChris Zankelplatform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 398e1a6dd2SChris Zankelplatform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss 40f82e939fSJohannes Weinerplatform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105 410d456badSMax Filippovplatform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga 428e1a6dd2SChris Zankel 438e1a6dd2SChris ZankelPLATFORM = $(platform-y) 448e1a6dd2SChris Zankelexport PLATFORM 458e1a6dd2SChris Zankel 46b2444d34SChris Zankel# temporarily until string.h is fixed 47a753cd9aSMax FilippovKBUILD_CFLAGS += -ffreestanding -D__linux__ 48b2444d34SChris Zankel 49a0f97e06SSam RavnborgKBUILD_CFLAGS += -pipe -mlongcalls 508e1a6dd2SChris Zankel 51cf1c0aafSChris ZankelKBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) 52cf1c0aafSChris Zankel 5365501622SChris Zankelifneq ($(CONFIG_LD_NO_RELAX),) 5465501622SChris ZankelLDFLAGS := --no-relax 5565501622SChris Zankelendif 5665501622SChris Zankel 57367b8112SChris Zankelvardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) 58367b8112SChris Zankelplfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) 59367b8112SChris Zankel 60367b8112SChris Zankelifeq ($(KBUILD_SRC),) 61367b8112SChris ZankelKBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs)) 62367b8112SChris Zankelelse 63367b8112SChris ZankelKBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) 64367b8112SChris Zankelendif 65367b8112SChris Zankel 66e7d163f7SChris ZankelKBUILD_DEFCONFIG := iss_defconfig 678e1a6dd2SChris Zankel 68f1933189SChris Zankel# Only build variant and/or platform if it includes a Makefile 69f1933189SChris Zankel 700eff08b5SGeert Uytterhoevenbuildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) 710eff08b5SGeert Uytterhoevenbuildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) 72f1933189SChris Zankel 73f1933189SChris Zankel# Find libgcc.a 748e1a6dd2SChris Zankel 75a0f97e06SSam RavnborgLIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 768e1a6dd2SChris Zankel 778e1a6dd2SChris Zankelhead-y := arch/xtensa/kernel/head.o 78e7d163f7SChris Zankelcore-y += arch/xtensa/kernel/ arch/xtensa/mm/ 79f1933189SChris Zankelcore-y += $(buildvar) $(buildplf) 80f1933189SChris Zankel 818e1a6dd2SChris Zankellibs-y += arch/xtensa/lib/ $(LIBGCC) 828e1a6dd2SChris Zankel 83da844a81SMax Filippovifneq ($(CONFIG_BUILTIN_DTB),"") 84da844a81SMax Filippovcore-y += arch/xtensa/boot/ 85da844a81SMax Filippovendif 86da844a81SMax Filippov 878e1a6dd2SChris Zankelboot := arch/xtensa/boot 888e1a6dd2SChris Zankel 898e1a6dd2SChris Zankelall: zImage 908e1a6dd2SChris Zankel 918e1a6dd2SChris ZankelbzImage : zImage 928e1a6dd2SChris Zankel 939ad79b58SMax FilippovzImage: vmlinux 948e1a6dd2SChris Zankel $(Q)$(MAKE) $(build)=$(boot) $@ 958e1a6dd2SChris Zankel 96da844a81SMax Filippov%.dtb: 97da844a81SMax Filippov $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 98da844a81SMax Filippov 998e1a6dd2SChris Zankeldefine archhelp 1008e1a6dd2SChris Zankel @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' 1018e1a6dd2SChris Zankelendef 1028e1a6dd2SChris Zankel 103