| # |
| # This file is subject to the terms and conditions of the GNU General Public |
| # License. See the file "COPYING" in the main directory of this archive |
| # for more details. |
| # |
| # Copyright (C) 2001 - 2005 Tensilica Inc. |
| # Copyright (C) 2014 Cadence Design Systems Inc. |
| # |
| # This file is included by the global makefile so that you can add your own |
| # architecture-specific flags and dependencies. |
| |
| # Core configuration. |
| # (Use VAR=<xtensa_config> to use another default compiler.) |
| |
| variant-y := $(CONFIG_XTENSA_VARIANT_NAME) |
| |
| VARIANT = $(variant-y) |
| |
| ifneq ($(VARIANT),) |
| ifdef cross_compiling |
| ifndef CROSS_COMPILE |
| CROSS_COMPILE = xtensa_$(VARIANT)- |
| endif |
| endif |
| endif |
| |
| # Platform configuration |
| |
| platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 |
| platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss |
| platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga |
| |
| # temporarily until string.h is fixed |
| KBUILD_CFLAGS += -ffreestanding -D__linux__ |
| KBUILD_CFLAGS += -pipe -mlongcalls -mtext-section-literals |
| KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) |
| KBUILD_CFLAGS += $(call cc-option,-mno-serialize-volatile,) |
| KBUILD_CFLAGS += $(call cc-option,-mno-fdpic,) |
| ifneq ($(CONFIG_KERNEL_ABI_CALL0),) |
| KBUILD_CFLAGS += -mabi=call0 |
| KBUILD_AFLAGS += -mabi=call0 |
| endif |
| |
| KBUILD_AFLAGS += -mlongcalls -mtext-section-literals |
| KBUILD_AFLAGS += $(call cc-option,-mno-fdpic,) |
| |
| KBUILD_LDFLAGS += -m elf32xtensa |
| |
| ifneq ($(CONFIG_LD_NO_RELAX),) |
| KBUILD_LDFLAGS += --no-relax |
| endif |
| |
| CHECKFLAGS += -D$(if $(CONFIG_CPU_BIG_ENDIAN),__XTENSA_EB__,__XTENSA_EL__) |
| |
| vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) |
| plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) |
| |
| KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) |
| |
| KBUILD_DEFCONFIG := iss_defconfig |
| |
| libs-y += arch/xtensa/lib/ |
| |
| boot := arch/xtensa/boot |
| |
| all Image zImage uImage xipImage: vmlinux |
| $(Q)$(MAKE) $(build)=$(boot) $@ |
| |
| archheaders: |
| $(Q)$(MAKE) $(build)=arch/xtensa/kernel/syscalls all |
| |
| define archhelp |
| @echo '* Image - Kernel ELF image with reset vector' |
| @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' |
| @echo '* uImage - U-Boot wrapped image' |
| @echo ' xipImage - XIP image' |
| endef |
