From patchwork Mon Nov 17 04:48:14 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chao Zhu X-Patchwork-Id: 1300 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 246A57F95; Sun, 16 Nov 2014 17:37:31 +0100 (CET) Received: from e28smtp06.in.ibm.com (e28smtp06.in.ibm.com [122.248.162.6]) by dpdk.org (Postfix) with ESMTP id 5F6EF7EF3 for ; Sun, 16 Nov 2014 17:37:21 +0100 (CET) Received: from /spool/local by e28smtp06.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sun, 16 Nov 2014 22:17:32 +0530 Received: from d28dlp01.in.ibm.com (9.184.220.126) by e28smtp06.in.ibm.com (192.168.1.136) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Sun, 16 Nov 2014 22:17:30 +0530 Received: from d28relay05.in.ibm.com (d28relay05.in.ibm.com [9.184.220.62]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 877E1E0044 for ; Sun, 16 Nov 2014 22:17:43 +0530 (IST) Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay05.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id sAGGm4Ow66781186 for ; Sun, 16 Nov 2014 22:18:04 +0530 Received: from d28av01.in.ibm.com (localhost [127.0.0.1]) by d28av01.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id sAGGlTEV029571 for ; Sun, 16 Nov 2014 22:17:29 +0530 Received: from os_controller.crl.ibm.com ([9.186.57.97]) by d28av01.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id sAGGlP32029091 for ; Sun, 16 Nov 2014 22:17:28 +0530 From: Chao Zhu To: dev@dpdk.org Date: Sun, 16 Nov 2014 23:48:14 -0500 Message-Id: <1416199705-24150-2-git-send-email-chaozhu@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1416199705-24150-1-git-send-email-chaozhu@linux.vnet.ibm.com> References: <1416199705-24150-1-git-send-email-chaozhu@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14111616-0021-0000-0000-0000023F01C5 Subject: [dpdk-dev] [PATCH v2 01/12] Add compiling definations for IBM Power architecture X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" To make DPDK run on IBM Power architecture, configuration files for Power architecuture are added. Also, the compiling related .mk files are added. Signed-off-by: Chao Zhu --- config/common_linuxapp_powerpc | 394 +++++++++++++++++++++++++++ config/defconfig_ppc_64-power8-linuxapp-gcc | 40 +++ mk/arch/ppc_64/rte.vars.mk | 39 +++ mk/machine/power8/rte.vars.mk | 57 ++++ 4 files changed, 530 insertions(+), 0 deletions(-) create mode 100644 config/common_linuxapp_powerpc create mode 100644 config/defconfig_ppc_64-power8-linuxapp-gcc create mode 100644 mk/arch/ppc_64/rte.vars.mk create mode 100644 mk/machine/power8/rte.vars.mk diff --git a/config/common_linuxapp_powerpc b/config/common_linuxapp_powerpc new file mode 100644 index 0000000..d230a0b --- /dev/null +++ b/config/common_linuxapp_powerpc @@ -0,0 +1,394 @@ +# BSD LICENSE +# +# Copyright (C) IBM Corporation 2014. +# +# 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 IBM 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. + + +# +# define executive environment +# +# CONFIG_RTE_EXEC_ENV can be linuxapp, baremetal, bsdapp +# +CONFIG_RTE_EXEC_ENV="linuxapp" +CONFIG_RTE_EXEC_ENV_LINUXAPP=y + +# +# Use intrinsics or assembly code for key routines +# +CONFIG_RTE_FORCE_INTRINSICS=n + +# +# Compile to share library +# +CONFIG_RTE_BUILD_SHARED_LIB=n + +# +# Combine to one single library +# +CONFIG_RTE_BUILD_COMBINE_LIBS=n +CONFIG_RTE_LIBNAME="powerpc_dpdk" + +# +# Compile libc directory +# +CONFIG_RTE_LIBC=n + +# +# Compile newlib as libc from source +# +CONFIG_RTE_LIBC_NEWLIB_SRC=n + +# +# Use binary newlib +# +CONFIG_RTE_LIBC_NEWLIB_BIN=n + +# +# Use binary newlib +# +CONFIG_RTE_LIBC_NETINCS=n + +# +# Compile libgloss (newlib-stubs) +# +CONFIG_RTE_LIBGLOSS=n + +# +# Compile Environment Abstraction Layer +# Note: Power8 has 96 cores, so increase CONFIG_RTE_MAX_LCORE from 64 to 128 +# +CONFIG_RTE_LIBRTE_EAL=y +CONFIG_RTE_MAX_LCORE=128 +CONFIG_RTE_MAX_NUMA_NODES=8 +CONFIG_RTE_MAX_MEMSEG=256 +CONFIG_RTE_MAX_MEMZONE=2560 +CONFIG_RTE_MAX_TAILQ=32 +CONFIG_RTE_LOG_LEVEL=8 +CONFIG_RTE_LOG_HISTORY=256 +CONFIG_RTE_LIBEAL_USE_HPET=n +CONFIG_RTE_EAL_ALLOW_INV_SOCKET_ID=n +CONFIG_RTE_EAL_ALWAYS_PANIC_ON_ERROR=n +CONFIG_RTE_EAL_IGB_UIO=y +CONFIG_RTE_EAL_VFIO=y + +# +# Special configurations in PCI Config Space for high performance +# +CONFIG_RTE_PCI_CONFIG=n +CONFIG_RTE_PCI_EXTENDED_TAG="" +CONFIG_RTE_PCI_MAX_READ_REQUEST_SIZE=0 + +# +# Compile Environment Abstraction Layer for linux +# +CONFIG_RTE_LIBRTE_EAL_LINUXAPP=y + +# +# Compile Environment Abstraction Layer for Bare metal +# +CONFIG_RTE_LIBRTE_EAL_BAREMETAL=n + +# +# Compile Environment Abstraction Layer to support Vmware TSC map +# Note: Power doesn't have this support +# +CONFIG_RTE_LIBRTE_EAL_VMWARE_TSC_MAP_SUPPORT=n + +# +# Compile the argument parser library +# +CONFIG_RTE_LIBRTE_KVARGS=y + +# +# Compile generic ethernet library +# +CONFIG_RTE_LIBRTE_ETHER=y +CONFIG_RTE_LIBRTE_ETHDEV_DEBUG=n +CONFIG_RTE_MAX_ETHPORTS=32 +CONFIG_RTE_LIBRTE_IEEE1588=n +CONFIG_RTE_ETHDEV_QUEUE_STAT_CNTRS=16 + +# +# Support NIC bypass logic +# +CONFIG_RTE_NIC_BYPASS=n + +# +# Note: Initially, all of the PMD drivers compilation are turned off on Power +# Will turn on them only after the successful testing on Power +# + +# +# Compile burst-oriented IGB & EM PMD drivers +# +CONFIG_RTE_LIBRTE_EM_PMD=n +CONFIG_RTE_LIBRTE_IGB_PMD=n +CONFIG_RTE_LIBRTE_E1000_DEBUG_INIT=n +CONFIG_RTE_LIBRTE_E1000_DEBUG_RX=n +CONFIG_RTE_LIBRTE_E1000_DEBUG_TX=n +CONFIG_RTE_LIBRTE_E1000_DEBUG_TX_FREE=n +CONFIG_RTE_LIBRTE_E1000_DEBUG_DRIVER=n +CONFIG_RTE_LIBRTE_E1000_PF_DISABLE_STRIP_CRC=n + +# +# Compile burst-oriented IXGBE PMD driver +# +CONFIG_RTE_LIBRTE_IXGBE_PMD=n +CONFIG_RTE_LIBRTE_IXGBE_DEBUG_INIT=n +CONFIG_RTE_LIBRTE_IXGBE_DEBUG_RX=n +CONFIG_RTE_LIBRTE_IXGBE_DEBUG_TX=n +CONFIG_RTE_LIBRTE_IXGBE_DEBUG_TX_FREE=n +CONFIG_RTE_LIBRTE_IXGBE_DEBUG_DRIVER=n +CONFIG_RTE_LIBRTE_IXGBE_PF_DISABLE_STRIP_CRC=n +CONFIG_RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC=y +CONFIG_RTE_IXGBE_INC_VECTOR=y +CONFIG_RTE_IXGBE_RX_OLFLAGS_ENABLE=y + +# +# Compile burst-oriented I40E PMD driver +# +CONFIG_RTE_LIBRTE_I40E_PMD=n +CONFIG_RTE_LIBRTE_I40E_DEBUG_INIT=n +CONFIG_RTE_LIBRTE_I40E_DEBUG_RX=n +CONFIG_RTE_LIBRTE_I40E_DEBUG_TX=n +CONFIG_RTE_LIBRTE_I40E_DEBUG_TX_FREE=n +CONFIG_RTE_LIBRTE_I40E_DEBUG_DRIVER=n +CONFIG_RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC=y +CONFIG_RTE_LIBRTE_I40E_16BYTE_RX_DESC=n +CONFIG_RTE_LIBRTE_I40E_QUEUE_NUM_PER_VF=4 +CONFIG_RTE_LIBRTE_I40E_QUEUE_NUM_PER_VM=4 +# interval up to 8160 us, aligned to 2 (or default value) +CONFIG_RTE_LIBRTE_I40E_ITR_INTERVAL=-1 + +# +# Compile burst-oriented VIRTIO PMD driver +# +CONFIG_RTE_LIBRTE_VIRTIO_PMD=n +CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_INIT=n +CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_RX=n +CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_TX=n +CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_DRIVER=n +CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_DUMP=n + +# +# Compile burst-oriented VMXNET3 PMD driver +# +CONFIG_RTE_LIBRTE_VMXNET3_PMD=n +CONFIG_RTE_LIBRTE_VMXNET3_DEBUG_INIT=n +CONFIG_RTE_LIBRTE_VMXNET3_DEBUG_RX=n +CONFIG_RTE_LIBRTE_VMXNET3_DEBUG_TX=n +CONFIG_RTE_LIBRTE_VMXNET3_DEBUG_TX_FREE=n +CONFIG_RTE_LIBRTE_VMXNET3_DEBUG_DRIVER=n + +# +# Compile example software rings based PMD +# +CONFIG_RTE_LIBRTE_PMD_RING=y +CONFIG_RTE_PMD_RING_MAX_RX_RINGS=16 +CONFIG_RTE_PMD_RING_MAX_TX_RINGS=16 + +# +# Compile software PMD backed by PCAP files +# +CONFIG_RTE_LIBRTE_PMD_PCAP=n + +# +# Compile link bonding PMD library +# +CONFIG_RTE_LIBRTE_PMD_BOND=n + +# +# Compile Xen PMD +# +CONFIG_RTE_LIBRTE_PMD_XENVIRT=n + +# +# Do prefetch of packet data within PMD driver receive function +# +CONFIG_RTE_PMD_PACKET_PREFETCH=y + +# +# Compile librte_ring +# +CONFIG_RTE_LIBRTE_RING=y +CONFIG_RTE_LIBRTE_RING_DEBUG=n +CONFIG_RTE_RING_SPLIT_PROD_CONS=n + +# +# Compile librte_mempool +# +CONFIG_RTE_LIBRTE_MEMPOOL=y +CONFIG_RTE_MEMPOOL_CACHE_MAX_SIZE=512 +CONFIG_RTE_LIBRTE_MEMPOOL_DEBUG=n + +# +# Compile librte_mbuf +# +CONFIG_RTE_LIBRTE_MBUF=y +CONFIG_RTE_LIBRTE_MBUF_DEBUG=n +CONFIG_RTE_MBUF_REFCNT=y +CONFIG_RTE_MBUF_REFCNT_ATOMIC=y +CONFIG_RTE_PKTMBUF_HEADROOM=128 + +# +# Compile librte_timer +# +CONFIG_RTE_LIBRTE_TIMER=y +CONFIG_RTE_LIBRTE_TIMER_DEBUG=n + +# +# Compile librte_malloc +# +CONFIG_RTE_LIBRTE_MALLOC=y +CONFIG_RTE_LIBRTE_MALLOC_DEBUG=n +CONFIG_RTE_MALLOC_MEMZONE_SIZE=11M + +# +# Compile librte_cfgfile +# +CONFIG_RTE_LIBRTE_CFGFILE=y + +# +# Compile librte_cmdline +# +CONFIG_RTE_LIBRTE_CMDLINE=y +CONFIG_RTE_LIBRTE_CMDLINE_DEBUG=n + +# +# Compile librte_hash +# +CONFIG_RTE_LIBRTE_HASH=y +CONFIG_RTE_LIBRTE_HASH_DEBUG=n + +# +# Compile librte_lpm +# +CONFIG_RTE_LIBRTE_LPM=n +CONFIG_RTE_LIBRTE_LPM_DEBUG=n + +# +# Compile librte_acl +# +CONFIG_RTE_LIBRTE_ACL=n +CONFIG_RTE_LIBRTE_ACL_DEBUG=n +CONFIG_RTE_LIBRTE_ACL_STANDALONE=n + +# +# Compile librte_power +# +CONFIG_RTE_LIBRTE_POWER=y +CONFIG_RTE_LIBRTE_POWER_DEBUG=n +CONFIG_RTE_MAX_LCORE_FREQS=64 + +# +# Compile librte_net +# +CONFIG_RTE_LIBRTE_NET=y + +# +# Compile librte_ip_frag +# +CONFIG_RTE_LIBRTE_IP_FRAG=y +CONFIG_RTE_LIBRTE_IP_FRAG_DEBUG=n +CONFIG_RTE_LIBRTE_IP_FRAG_MAX_FRAG=4 +CONFIG_RTE_LIBRTE_IP_FRAG_TBL_STAT=n + +# +# Compile librte_meter +# +CONFIG_RTE_LIBRTE_METER=y + +# +# Compile librte_sched +# +CONFIG_RTE_LIBRTE_SCHED=n +CONFIG_RTE_SCHED_RED=n +CONFIG_RTE_SCHED_COLLECT_STATS=n +CONFIG_RTE_SCHED_SUBPORT_TC_OV=n +CONFIG_RTE_SCHED_PORT_N_GRINDERS=8 + +# +# Compile the distributor library +# +CONFIG_RTE_LIBRTE_DISTRIBUTOR=y + +# +# Compile librte_port +# +CONFIG_RTE_LIBRTE_PORT=n + +# +# Compile librte_table +# +CONFIG_RTE_LIBRTE_TABLE=n + +# +# Compile librte_pipeline +# +CONFIG_RTE_LIBRTE_PIPELINE=n + +# +# Compile librte_kni +# +CONFIG_RTE_LIBRTE_KNI=y +CONFIG_RTE_KNI_KO_DEBUG=n +CONFIG_RTE_KNI_VHOST=n +CONFIG_RTE_KNI_VHOST_MAX_CACHE_SIZE=1024 +CONFIG_RTE_KNI_VHOST_VNET_HDR_EN=n +CONFIG_RTE_KNI_VHOST_DEBUG_RX=n +CONFIG_RTE_KNI_VHOST_DEBUG_TX=n + +# +# Compile vhost library +# fuse-devel is needed to run vhost. +# fuse-devel enables user space char driver development +# +CONFIG_RTE_LIBRTE_VHOST=n +CONFIG_RTE_LIBRTE_VHOST_DEBUG=n + +# +#Compile Xen domain0 support +# +CONFIG_RTE_LIBRTE_XEN_DOM0=n + +# +# Enable warning directives +# +CONFIG_RTE_INSECURE_FUNCTION_WARNING=n + +# +# Compile the test application +# +CONFIG_RTE_APP_TEST=y + +# +# Compile the PMD test application +# +CONFIG_RTE_TEST_PMD=n +CONFIG_RTE_TEST_PMD_RECORD_CORE_CYCLES=n +CONFIG_RTE_TEST_PMD_RECORD_BURST_STATS=n diff --git a/config/defconfig_ppc_64-power8-linuxapp-gcc b/config/defconfig_ppc_64-power8-linuxapp-gcc new file mode 100644 index 0000000..97d72ff --- /dev/null +++ b/config/defconfig_ppc_64-power8-linuxapp-gcc @@ -0,0 +1,40 @@ +# BSD LICENSE +# +# Copyright (C) IBM Corporation 2014. +# +# 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 IBM 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_powerpc" + +CONFIG_RTE_MACHINE="power8" + +CONFIG_RTE_ARCH="ppc_64" +CONFIG_RTE_ARCH_PPC_64=y + +CONFIG_RTE_TOOLCHAIN="gcc" +CONFIG_RTE_TOOLCHAIN_GCC=y + diff --git a/mk/arch/ppc_64/rte.vars.mk b/mk/arch/ppc_64/rte.vars.mk new file mode 100644 index 0000000..363fcd1 --- /dev/null +++ b/mk/arch/ppc_64/rte.vars.mk @@ -0,0 +1,39 @@ +# BSD LICENSE +# +# Copyright (C) IBM Corporation 2014. +# +# 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 IBM 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 ?= powerpc +CROSS ?= + +CPU_CFLAGS ?= -m64 +CPU_LDFLAGS ?= +CPU_ASFLAGS ?= -felf64 + +export ARCH CROSS CPU_CFLAGS CPU_LDFLAGS CPU_ASFLAGS diff --git a/mk/machine/power8/rte.vars.mk b/mk/machine/power8/rte.vars.mk new file mode 100644 index 0000000..05dccf4 --- /dev/null +++ b/mk/machine/power8/rte.vars.mk @@ -0,0 +1,57 @@ +# BSD LICENSE +# +# Copyright (C) IBM Corporation 2014. +# +# 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 IBM 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. + +# +# machine: +# +# - can define ARCH variable (overriden by cmdline value) +# - can define CROSS variable (overriden by cmdline value) +# - define MACHINE_CFLAGS variable (overriden by cmdline value) +# - define MACHINE_LDFLAGS variable (overriden by cmdline value) +# - define MACHINE_ASFLAGS variable (overriden by cmdline value) +# - can define CPU_CFLAGS variable (overriden by cmdline value) that +# overrides the one defined in arch. +# - can define CPU_LDFLAGS variable (overriden by cmdline value) that +# overrides the one defined in arch. +# - can define CPU_ASFLAGS variable (overriden 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 = + +MACHINE_CFLAGS =