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
6 # Copyright (C) 2001 - 2005 Tensilica Inc.
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
14 # (Use VAR=<xtensa_config> to use another default compiler.)
16 variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf
17 variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b
18 variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom
20 VARIANT = $(variant-y)
23 # Platform configuration
25 platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
26 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
28 PLATFORM = $(platform-y)
31 # temporarily until string.h is fixed
32 KBUILD_CFLAGS += -ffreestanding
34 KBUILD_CFLAGS += -pipe -mlongcalls
36 vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
37 plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
40 KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs))
42 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
45 KBUILD_DEFCONFIG := iss_defconfig
47 # ramdisk/initrd support
48 # You need a compressed ramdisk image, named ramdisk.gz in
49 # arch/xtensa/boot/ramdisk
51 core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/
53 # Test for cross compiling
56 COMPILE_ARCH = $(shell uname -m)
58 ifneq ($(COMPILE_ARCH), xtensa)
60 CROSS_COMPILE = xtensa_$(VARIANT)-
67 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
69 head-y := arch/xtensa/kernel/head.o
70 core-y += arch/xtensa/kernel/ arch/xtensa/mm/
72 core-y += arch/xtensa/platforms/$(PLATFORM)/
74 libs-y += arch/xtensa/lib/ $(LIBGCC)
76 boot := arch/xtensa/boot
83 zImage zImage.initrd: vmlinux
84 $(Q)$(MAKE) $(build)=$(boot) $@
87 @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'