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 = $(variant-y) 22173d6681SChris Zankelexport VARIANT 238e1a6dd2SChris Zankel 248e1a6dd2SChris Zankel# Platform configuration 258e1a6dd2SChris Zankel 268e1a6dd2SChris Zankelplatform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 278e1a6dd2SChris Zankelplatform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss 28f82e939fSJohannes Weinerplatform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105 298e1a6dd2SChris Zankel 308e1a6dd2SChris ZankelPLATFORM = $(platform-y) 318e1a6dd2SChris Zankelexport PLATFORM 328e1a6dd2SChris Zankel 33b2444d34SChris Zankel# temporarily until string.h is fixed 34a0f97e06SSam RavnborgKBUILD_CFLAGS += -ffreestanding 35b2444d34SChris Zankel 36a0f97e06SSam RavnborgKBUILD_CFLAGS += -pipe -mlongcalls 378e1a6dd2SChris Zankel 38cf1c0aafSChris ZankelKBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) 39cf1c0aafSChris Zankel 40367b8112SChris Zankelvardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) 41367b8112SChris Zankelplfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) 42367b8112SChris Zankel 43367b8112SChris Zankelifeq ($(KBUILD_SRC),) 44367b8112SChris ZankelKBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs)) 45367b8112SChris Zankelelse 46367b8112SChris ZankelKBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) 47367b8112SChris Zankelendif 48367b8112SChris Zankel 49e7d163f7SChris ZankelKBUILD_DEFCONFIG := iss_defconfig 508e1a6dd2SChris Zankel 518e1a6dd2SChris Zankel# ramdisk/initrd support 528e1a6dd2SChris Zankel# You need a compressed ramdisk image, named ramdisk.gz in 538e1a6dd2SChris Zankel# arch/xtensa/boot/ramdisk 548e1a6dd2SChris Zankel 558e1a6dd2SChris Zankelcore-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/ 568e1a6dd2SChris Zankel 578e1a6dd2SChris Zankel# Test for cross compiling 588e1a6dd2SChris Zankel 59173d6681SChris Zankelifneq ($(VARIANT),) 608e1a6dd2SChris Zankel COMPILE_ARCH = $(shell uname -m) 618e1a6dd2SChris Zankel 628e1a6dd2SChris Zankel ifneq ($(COMPILE_ARCH), xtensa) 638e1a6dd2SChris Zankel ifndef CROSS_COMPILE 64173d6681SChris Zankel CROSS_COMPILE = xtensa_$(VARIANT)- 658e1a6dd2SChris Zankel endif 668e1a6dd2SChris Zankel endif 678e1a6dd2SChris Zankelendif 688e1a6dd2SChris Zankel 69f1933189SChris Zankel# Only build variant and/or platform if it includes a Makefile 70f1933189SChris Zankel 71f1933189SChris Zankelbuildvar := $(shell test -a $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) 72f1933189SChris Zankelbuildplf := $(shell test -a $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) 73f1933189SChris Zankel 74f1933189SChris Zankel# Find libgcc.a 758e1a6dd2SChris Zankel 76a0f97e06SSam RavnborgLIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 778e1a6dd2SChris Zankel 788e1a6dd2SChris Zankelhead-y := arch/xtensa/kernel/head.o 79e7d163f7SChris Zankelcore-y += arch/xtensa/kernel/ arch/xtensa/mm/ 80f1933189SChris Zankelcore-y += $(buildvar) $(buildplf) 81f1933189SChris Zankel 828e1a6dd2SChris Zankellibs-y += arch/xtensa/lib/ $(LIBGCC) 838e1a6dd2SChris Zankel 848e1a6dd2SChris Zankelboot := arch/xtensa/boot 858e1a6dd2SChris Zankel 868e1a6dd2SChris Zankelall: zImage 878e1a6dd2SChris Zankel 888e1a6dd2SChris ZankelbzImage : zImage 898e1a6dd2SChris Zankel 908e1a6dd2SChris ZankelzImage zImage.initrd: vmlinux 918e1a6dd2SChris Zankel $(Q)$(MAKE) $(build)=$(boot) $@ 928e1a6dd2SChris Zankel 938e1a6dd2SChris Zankeldefine archhelp 948e1a6dd2SChris Zankel @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' 958e1a6dd2SChris Zankelendef 968e1a6dd2SChris Zankel 97