1# 2# This file is subject to the terms and conditions of the GNU General Public 3# License. See the file "COPYING" in the main directory of this archive 4# for more details. 5# 6# Copyright (C) 2001 - 2005 Tensilica Inc. 7# 8# This file is included by the global makefile so that you can add your own 9# architecture-specific flags and dependencies. Remember to do have actions 10# for "archclean" and "archdep" for cleaning up and making dependencies for 11# this architecture 12 13# Core configuration. 14# (Use VAR=<xtensa_config> to use another default compiler.) 15 16variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf 17variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b 18variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom 19 20VARIANT = $(variant-y) 21export VARIANT 22 23# Platform configuration 24 25platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 26platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss 27 28PLATFORM = $(platform-y) 29export PLATFORM 30 31# temporarily until string.h is fixed 32KBUILD_CFLAGS += -ffreestanding 33 34KBUILD_CFLAGS += -pipe -mlongcalls 35 36vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) 37plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) 38 39ifeq ($(KBUILD_SRC),) 40KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs)) 41else 42KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) 43endif 44 45KBUILD_DEFCONFIG := iss_defconfig 46 47# ramdisk/initrd support 48# You need a compressed ramdisk image, named ramdisk.gz in 49# arch/xtensa/boot/ramdisk 50 51core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/ 52 53# Test for cross compiling 54 55ifneq ($(VARIANT),) 56 COMPILE_ARCH = $(shell uname -m) 57 58 ifneq ($(COMPILE_ARCH), xtensa) 59 ifndef CROSS_COMPILE 60 CROSS_COMPILE = xtensa_$(VARIANT)- 61 endif 62 endif 63endif 64 65# 66 67LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 68 69head-y := arch/xtensa/kernel/head.o 70core-y += arch/xtensa/kernel/ arch/xtensa/mm/ 71ifneq ($(PLATFORM),) 72core-y += arch/xtensa/platforms/$(PLATFORM)/ 73endif 74libs-y += arch/xtensa/lib/ $(LIBGCC) 75 76boot := arch/xtensa/boot 77 78 79all: zImage 80 81bzImage : zImage 82 83zImage zImage.initrd: vmlinux 84 $(Q)$(MAKE) $(build)=$(boot) $@ 85 86define archhelp 87 @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' 88endef 89 90