From c136be06c98598ac4e12d14e9d7813526bd50a23 Mon Sep 17 00:00:00 2001 From: Daniel Mrzyglod Date: Thu, 13 Nov 2014 12:01:31 +0000 Subject: [PATCH] mk: support x32 ABI x32 ABI provides benefits of x86-64 while using 32-bit pointers and avoiding overhead of 64-bit pointers. Test report: http://dpdk.org/ml/archives/dev/2015-February/012599.html Signed-off-by: Konstantin Ananyev Signed-off-by: Daniel Mrzyglod Tested-by: Haifeng Tang Acked-by: Pablo de Lara --- 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 0000000000..fb0afc4d16 --- /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 0000000000..3103dfc9b2 --- /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 (overridden by cmdline or by previous +# optional define in machine .mk) +# - define CROSS variable (overridden by cmdline or previous define +# in machine .mk) +# - define CPU_CFLAGS variable (overridden by cmdline or previous +# define in machine .mk) +# - define CPU_LDFLAGS variable (overridden by cmdline or previous +# define in machine .mk) +# - define CPU_ASFLAGS variable (overridden 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 -- 2.20.1