From: Vlastimil Kosar Date: Mon, 2 Nov 2015 23:47:27 +0000 (+0100) Subject: mk: introduce ARMv7 architecture X-Git-Tag: spdx-start~8042 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=02a8686263de;p=dpdk.git mk: introduce ARMv7 architecture Make DPDK run on ARMv7-A architecture. This patch assumes ARM Cortex-A9. However, it is known to be working on Cortex-A7 and Cortex-A15. Signed-off-by: Vlastimil Kosar Signed-off-by: Jan Viktorin Acked-by: David Marchand --- diff --git a/MAINTAINERS b/MAINTAINERS index d6feadae56..02fa4e2e7d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -115,6 +115,10 @@ F: app/test/test_mp_secondary.c F: examples/multi_process/ F: doc/guides/sample_app_ug/multi_process.rst +ARM v7 +M: Jan Viktorin +F: lib/librte_eal/common/include/arch/arm/ + EZchip TILE-Gx M: Zhigang Lu F: lib/librte_eal/common/include/arch/tile/ diff --git a/config/defconfig_arm-armv7a-linuxapp-gcc b/config/defconfig_arm-armv7a-linuxapp-gcc new file mode 100644 index 0000000000..82143af8ab --- /dev/null +++ b/config/defconfig_arm-armv7a-linuxapp-gcc @@ -0,0 +1,76 @@ +# BSD LICENSE +# +# Copyright (C) 2015 RehiveTech. All right 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 RehiveTech 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="armv7-a" + +CONFIG_RTE_ARCH="arm" +CONFIG_RTE_ARCH_ARM=y +CONFIG_RTE_ARCH_ARMv7=y +CONFIG_RTE_ARCH_ARM_TUNE="cortex-a9" +CONFIG_RTE_ARCH_ARM_NEON=y + +CONFIG_RTE_FORCE_INTRINSICS=y + +CONFIG_RTE_TOOLCHAIN="gcc" +CONFIG_RTE_TOOLCHAIN_GCC=y + +# ARM doesn't have support for vmware TSC map +CONFIG_RTE_LIBRTE_EAL_VMWARE_TSC_MAP_SUPPORT=n + +# KNI is not supported on 32-bit +CONFIG_RTE_LIBRTE_KNI=n + +# PCI is usually not used on ARM +CONFIG_RTE_EAL_IGB_UIO=n + +# fails to compile on ARM +CONFIG_RTE_LIBRTE_ACL=n +CONFIG_RTE_LIBRTE_LPM=n +CONFIG_RTE_LIBRTE_TABLE=n +CONFIG_RTE_LIBRTE_PIPELINE=n + +# cannot use those on ARM +CONFIG_RTE_KNI_KMOD=n +CONFIG_RTE_LIBRTE_EM_PMD=n +CONFIG_RTE_LIBRTE_IGB_PMD=n +CONFIG_RTE_LIBRTE_CXGBE_PMD=n +CONFIG_RTE_LIBRTE_E1000_PMD=n +CONFIG_RTE_LIBRTE_ENIC_PMD=n +CONFIG_RTE_LIBRTE_FM10K_PMD=n +CONFIG_RTE_LIBRTE_I40E_PMD=n +CONFIG_RTE_LIBRTE_IXGBE_PMD=n +CONFIG_RTE_LIBRTE_MLX4_PMD=n +CONFIG_RTE_LIBRTE_MPIPE_PMD=n +CONFIG_RTE_LIBRTE_VIRTIO_PMD=n +CONFIG_RTE_LIBRTE_VMXNET3_PMD=n +CONFIG_RTE_LIBRTE_PMD_XENVIRT=n +CONFIG_RTE_LIBRTE_PMD_BNX2X=n diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst index 0781ae609f..a1319ab389 100644 --- a/doc/guides/rel_notes/release_2_2.rst +++ b/doc/guides/rel_notes/release_2_2.rst @@ -4,6 +4,11 @@ DPDK Release 2.2 New Features ------------ +* **Introduce ARMv7 architecture** + + It is now possible to build DPDK for the ARMv7 platform and test with + virtual PMD drivers. + * **Enabled freeing of ring.** New function rte_ring_free() allows the user to free a ring diff --git a/mk/arch/arm/rte.vars.mk b/mk/arch/arm/rte.vars.mk new file mode 100644 index 0000000000..df0c043676 --- /dev/null +++ b/mk/arch/arm/rte.vars.mk @@ -0,0 +1,39 @@ +# BSD LICENSE +# +# Copyright (C) 2015 RehiveTech. 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 RehiveTech 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 ?= arm +CROSS ?= + +CPU_CFLAGS ?= -marm -DRTE_CACHE_LINE_SIZE=64 -munaligned-access +CPU_LDFLAGS ?= +CPU_ASFLAGS ?= -felf + +export ARCH CROSS CPU_CFLAGS CPU_LDFLAGS CPU_ASFLAGS diff --git a/mk/machine/armv7-a/rte.vars.mk b/mk/machine/armv7-a/rte.vars.mk new file mode 100644 index 0000000000..48d3979930 --- /dev/null +++ b/mk/machine/armv7-a/rte.vars.mk @@ -0,0 +1,67 @@ +# BSD LICENSE +# +# Copyright (C) 2015 RehiveTech. 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 RehiveTech 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. + +# +# machine: +# +# - can define ARCH variable (overridden by cmdline value) +# - can define CROSS variable (overridden by cmdline value) +# - define MACHINE_CFLAGS variable (overridden by cmdline value) +# - define MACHINE_LDFLAGS variable (overridden by cmdline value) +# - define MACHINE_ASFLAGS variable (overridden by cmdline value) +# - can define CPU_CFLAGS variable (overridden by cmdline value) that +# overrides the one defined in arch. +# - can define CPU_LDFLAGS variable (overridden by cmdline value) that +# overrides the one defined in arch. +# - can define CPU_ASFLAGS variable (overridden by cmdline value) that +# overrides the one defined in arch. +# - may override any previously defined variable +# + +# ARCH = +# CROSS = +# MACHINE_CFLAGS = +# MACHINE_LDFLAGS = +# MACHINE_ASFLAGS = +# CPU_CFLAGS = +# CPU_LDFLAGS = +# CPU_ASFLAGS = + +CPU_CFLAGS += -mfloat-abi=softfp + +MACHINE_CFLAGS += -march=armv7-a + +ifdef CONFIG_RTE_ARCH_ARM_TUNE +MACHINE_CFLAGS += -mtune=$(CONFIG_RTE_ARCH_ARM_TUNE) +endif + +ifeq ($(CONFIG_RTE_ARCH_ARM_NEON),y) +MACHINE_CFLAGS += -mfpu=neon +endif