diff options
Diffstat (limited to 'core/mk/arch/arm/arm.mk')
-rw-r--r-- | core/mk/arch/arm/arm.mk | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/core/mk/arch/arm/arm.mk b/core/mk/arch/arm/arm.mk new file mode 100644 index 0000000..f3a3e48 --- /dev/null +++ b/core/mk/arch/arm/arm.mk @@ -0,0 +1,88 @@ +################################################################################ +# Embtoolkit +# Copyright(C) 2009-2013 Abdoulaye Walsimou GAYE. +# +# This program is free software; you can distribute it and/or modify it +# under the terms of the GNU General Public License +# (Version 2 or later) published by the Free Software Foundation. +# +# This program is distributed in the hope it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. +################################################################################ +# +# \file arm-arch.mk +# \brief arm-arch.mk of Embtoolkit +# \author Abdoulaye Walsimou GAYE <awg@embtoolkit.org> +# \date June 2009 +################################################################################ + +__embtk_arm_endian := $(if $(CONFIG_EMBTK_TARGET_ARCH_BIG_ENDIAN),eb) +__embtk_arm_abi-$(CONFIG_EMBTK_CLIB_EGLIBC) := gnueabi +__embtk_arm_abi-$(CONFIG_EMBTK_CLIB_GLIBC) := gnueabi +__embtk_arm_abi := $(or $(__embtk_arm_abi-y),$(embtk_clib)eabi) + +LINUX_ARCH := arm +GNU_TARGET_ARCH := arm +EMBTK_MCU_FLAG := $(call __embtk_mk_uquote,$(CONFIG_EMBTK_ARM_MCU_STRING)) +GNU_TARGET := arm$(__embtk_arm_endian)-$(embtk_os) +STRICT_GNU_TARGET := arm$(__embtk_arm_endian)-unknown-$(embtk_os)-$(__embtk_arm_abi) + +# +# GCC/LLVM configure options +# +GCC_WITH_CPU := --with-cpu=$(EMBTK_MCU_FLAG) +LLVM_WITH_CPU := --with-default-cpu=$(EMBTK_MCU_FLAG) + +# GCC extra configure options for arm +GCC3_CONFIGURE_EXTRA_OPTIONS += $(strip $(if $(CONFIG_EMBTK_GCC_LANGUAGE_JAVA), \ + --enable-sjlj-exceptions)) + +# Hard or soft floating point for GCC/LLVM? +GCC_WITH_FLOAT-$(CONFIG_EMBTK_SOFTFLOAT) := soft +GCC_WITH_FLOAT-$(CONFIG_EMBTK_HARDFLOAT) := softfp +GCC_WITH_FLOAT := --with-float=$(GCC_WITH_FLOAT-y) +LLVM_WITH_FLOAT := --with-default-float=$(GCC_WITH_FLOAT-y) + +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFP) := vfp +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3) := vfpv3 +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3_D16) := vfpv3-d16 +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3_FP16) := vfpv3-fp16 +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3_D16FP16) := vfpv3-d16-fp16 +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3_XD) := vfpv3xd +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3_XDFP16) := vfpv3xd-fp16 +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV4) := vfpv4 +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV4_D16) := vfpv4-d16 +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_FPV4_SPD16) := fpv4-sp-d16 +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_NEON) := neon +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_NEON_FP16) := neon-fp16 +GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_NEON_VFPV4) := neon-vfpv4 +GCC_WITH_FPU := $(if $(GCC_WITH_FPU-y),--with-fpu=$(GCC_WITH_FPU-y)) +LLVM_WITH_FPU := $(if $(GCC_WITH_FPU-y),--with-default-fpu=$(GCC_WITH_FPU-y)) + +# Hard or soft floating point? +EMBTK_TARGET_FLOAT_CFLAGS := $(strip $(if $(CONFIG_EMBTK_SOFTFLOAT), \ + -mfloat-abi=soft,-mfloat-abi=softfp)) + +# Some other flags for TARGET_CFLAGS +EMBTK_TARGET_MCPU := -mcpu=$(EMBTK_MCU_FLAG) +EMBTK_TARGET_MARCH := + +# +# musl options +# +embtk_musl_dlinker := ld-musl-arm$(__embtk_arm_endian)$(if $(CONFIG_EMBTK_HARDFLOAT),hf) + +# +# misc +# + +# Some cross compiler variables +__xtools_env_float := $(if $(CONFIG_EMBTK_SOFTFLOAT),sf,hf) +__xtools_archos := $(GNU_TARGET) +__xtools_env := $(EMBTK_MCU_FLAG)-$(__xtools_env_float) |