diff options
Diffstat (limited to 'arch/xtensa/Makefile')
| -rw-r--r-- | arch/xtensa/Makefile | 46 |
1 files changed, 9 insertions, 37 deletions
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile index 67a7d151d1e7..bfd8e433ed62 100644 --- a/arch/xtensa/Makefile +++ b/arch/xtensa/Makefile @@ -7,24 +7,17 @@ # 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. Remember to do have actions -# for "archclean" and "archdep" for cleaning up and making dependencies for -# this architecture +# architecture-specific flags and dependencies. # Core configuration. # (Use VAR=<xtensa_config> to use another default compiler.) -variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME)) +variant-y := $(CONFIG_XTENSA_VARIANT_NAME) VARIANT = $(variant-y) -export VARIANT - -# Test for cross compiling ifneq ($(VARIANT),) - COMPILE_ARCH = $(shell uname -m) - - ifneq ($(COMPILE_ARCH), xtensa) + ifdef cross_compiling ifndef CROSS_COMPILE CROSS_COMPILE = xtensa_$(VARIANT)- endif @@ -37,14 +30,15 @@ platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga -PLATFORM = $(platform-y) -export PLATFORM - # 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 += $(call cc-option,-mno-serialize-volatile,) +ifneq ($(CONFIG_KERNEL_ABI_CALL0),) +KBUILD_CFLAGS += -mabi=call0 +KBUILD_AFLAGS += -mabi=call0 +endif KBUILD_AFLAGS += -mlongcalls -mtext-section-literals @@ -52,14 +46,7 @@ ifneq ($(CONFIG_LD_NO_RELAX),) KBUILD_LDFLAGS := --no-relax endif -ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1) -CHECKFLAGS += -D__XTENSA_EB__ -KBUILD_CPPFLAGS += -DCONFIG_CPU_BIG_ENDIAN -endif -ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1) -CHECKFLAGS += -D__XTENSA_EL__ -KBUILD_CPPFLAGS += -DCONFIG_CPU_LITTLE_ENDIAN -endif +CHECKFLAGS += -D$(if $(CONFIG_CPU_BIG_ENDIAN),__XTENSA_EB__,__XTENSA_EL__) vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) @@ -68,22 +55,7 @@ KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) KBUILD_DEFCONFIG := iss_defconfig -# Only build variant and/or platform if it includes a Makefile - -buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) -buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) - -# Find libgcc.a - -LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) - -head-y := arch/xtensa/kernel/head.o -core-y += arch/xtensa/kernel/ arch/xtensa/mm/ -core-y += $(buildvar) $(buildplf) -core-y += arch/xtensa/boot/dts/ - -libs-y += arch/xtensa/lib/ $(LIBGCC) -drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/ +libs-y += arch/xtensa/lib/ boot := arch/xtensa/boot |