[dpdk-dev] [PATCH] x32 ABI support, first iteration
Neil Horman
nhorman at tuxdriver.com
Fri Nov 14 01:45:14 CET 2014
On Thu, Nov 13, 2014 at 12:01:31PM +0000, Daniel Mrzyglod wrote:
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev at intel.com>
> Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod at intel.com>
> ---
> config/defconfig_x86_x32-native-linuxapp-gcc | 46 ++++++++++++++++++++
> mk/arch/x86_x32/rte.vars.mk | 63 ++++++++++++++++++++++++++++
> 2 files changed, 109 insertions(+)
> create mode 100644 config/defconfig_x86_x32-native-linuxapp-gcc
> create mode 100644 mk/arch/x86_x32/rte.vars.mk
>
> diff --git a/config/defconfig_x86_x32-native-linuxapp-gcc b/config/defconfig_x86_x32-native-linuxapp-gcc
> new file mode 100644
> index 0000000..fb0afc4
> --- /dev/null
> +++ b/config/defconfig_x86_x32-native-linuxapp-gcc
> @@ -0,0 +1,46 @@
> +# BSD LICENSE
> +#
> +# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
> +# All rights reserved.
> +#
> +# Redistribution and use in source and binary forms, with or without
> +# modification, are permitted provided that the following conditions
> +# are met:
> +#
> +# * Redistributions of source code must retain the above copyright
> +# notice, this list of conditions and the following disclaimer.
> +# * Redistributions in binary form must reproduce the above copyright
> +# notice, this list of conditions and the following disclaimer in
> +# the documentation and/or other materials provided with the
> +# distribution.
> +# * Neither the name of Intel Corporation nor the names of its
> +# contributors may be used to endorse or promote products derived
> +# from this software without specific prior written permission.
> +#
> +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> +#
> +
> +#include "common_linuxapp"
> +
> +CONFIG_RTE_MACHINE="native"
> +
> +CONFIG_RTE_ARCH="x86_x32"
> +CONFIG_RTE_ARCH_X86_X32=y
> +
> +CONFIG_RTE_TOOLCHAIN="gcc"
> +CONFIG_RTE_TOOLCHAIN_GCC=y
> +
> +#
> +# KNI is not supported on 32-bit
> +#
> +CONFIG_RTE_LIBRTE_KNI=n
> diff --git a/mk/arch/x86_x32/rte.vars.mk b/mk/arch/x86_x32/rte.vars.mk
> new file mode 100644
> index 0000000..9507af7
> --- /dev/null
> +++ b/mk/arch/x86_x32/rte.vars.mk
> @@ -0,0 +1,63 @@
> +# BSD LICENSE
> +#
> +# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
> +# All rights reserved.
> +#
> +# Redistribution and use in source and binary forms, with or without
> +# modification, are permitted provided that the following conditions
> +# are met:
> +#
> +# * Redistributions of source code must retain the above copyright
> +# notice, this list of conditions and the following disclaimer.
> +# * Redistributions in binary form must reproduce the above copyright
> +# notice, this list of conditions and the following disclaimer in
> +# the documentation and/or other materials provided with the
> +# distribution.
> +# * Neither the name of Intel Corporation nor the names of its
> +# contributors may be used to endorse or promote products derived
> +# from this software without specific prior written permission.
> +#
> +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> +
> +#
> +# arch:
> +#
> +# - define ARCH variable (overriden by cmdline or by previous
> +# optional define in machine .mk)
> +# - define CROSS variable (overriden by cmdline or previous define
> +# in machine .mk)
> +# - define CPU_CFLAGS variable (overriden by cmdline or previous
> +# define in machine .mk)
> +# - define CPU_LDFLAGS variable (overriden by cmdline or previous
> +# define in machine .mk)
> +# - define CPU_ASFLAGS variable (overriden by cmdline or previous
> +# define in machine .mk)
> +# - may override any previously defined variable
> +#
> +# examples for CONFIG_RTE_ARCH: i686, x86_64, x86_64_32
> +#
> +
> +ARCH ?= x86_64
> +ARCH_DIR := x86
> +CROSS ?=
> +
> +CPU_CFLAGS ?= -mx32
> +CPU_LDFLAGS ?= -melf32_x86_64
> +#CPU_ASFLAGS ?= -felf64
> +# x32 is supported by Linux distribution with gcc4.8 and newer in some
> +# cases there is backported support in gcc4.6
> +ifneq ($(shell echo | $(CC) $(CPU_CFLAGS) -E - 2>/dev/null 1>/dev/null && echo 0), 0)
> + $(error This version of GCC does not support x32 ABI)
> +endif
> +
> +export ARCH CROSS CPU_CFLAGS CPU_LDFLAGS CPU_ASFLAGS
> --
> 1.9.1
>
>
Seems reasonable. I presume that a build with all options enabled builds and
executes?
Neil
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