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.
7 # Copyright (C) 2014 Cadence Design Systems Inc.
9 # This file is included by the global makefile so that you can add your own
10 # architecture-specific flags and dependencies.
13 # (Use VAR=<xtensa_config> to use another default compiler.)
15 variant-y := $(CONFIG_XTENSA_VARIANT_NAME)
17 VARIANT = $(variant-y)
22 CROSS_COMPILE = xtensa_$(VARIANT)-
27 # Platform configuration
29 platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
30 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
31 platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga
33 # temporarily until string.h is fixed
34 KBUILD_CFLAGS += -ffreestanding -D__linux__
35 KBUILD_CFLAGS += -pipe -mlongcalls -mtext-section-literals
36 KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
37 KBUILD_CFLAGS += $(call cc-option,-mno-serialize-volatile,)
38 ifneq ($(CONFIG_KERNEL_ABI_CALL0),)
39 KBUILD_CFLAGS += -mabi=call0
40 KBUILD_AFLAGS += -mabi=call0
43 KBUILD_AFLAGS += -mlongcalls -mtext-section-literals
45 ifneq ($(CONFIG_LD_NO_RELAX),)
46 KBUILD_LDFLAGS := --no-relax
49 CHECKFLAGS += -D$(if $(CONFIG_CPU_BIG_ENDIAN),__XTENSA_EB__,__XTENSA_EL__)
51 vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
52 plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
54 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
56 KBUILD_DEFCONFIG := iss_defconfig
58 libs-y += arch/xtensa/lib/
60 boot := arch/xtensa/boot
62 all Image zImage uImage xipImage: vmlinux
63 $(Q)$(MAKE) $(build)=$(boot) $@
66 $(Q)$(MAKE) $(build)=arch/xtensa/kernel/syscalls all
69 @echo '* Image - Kernel ELF image with reset vector'
70 @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
71 @echo '* uImage - U-Boot wrapped image'
72 @echo ' xipImage - XIP image'