[dpdk-dev] [PATCH] mk: Introduce NXP dpaa2 architecture based on armv8-a

[Hemant Agrawal <hemant.agrawal@nxp.com>]

This patch introduces dpaa2 machine target to address difference
in cpu parameter, number of core to 8 and no numa support
w.r.t default armv8-a machine

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 config/defconfig_arm64-dpaa2-linuxapp-gcc | 44 +++++++++++++++++++++++
 mk/machine/dpaa2/rte.vars.mk              | 60 +++++++++++++++++++++++++++++++
 mk/rte.module.mk                          |  5 +++
 3 files changed, 109 insertions(+)
 create mode 100644 config/defconfig_arm64-dpaa2-linuxapp-gcc
 create mode 100644 mk/machine/dpaa2/rte.vars.mk

diff --git a/config/defconfig_arm64-dpaa2-linuxapp-gcc b/config/defconfig_arm64-dpaa2-linuxapp-gcc
new file mode 100644
index 0000000..80bda26
--- /dev/null
+++ b/config/defconfig_arm64-dpaa2-linuxapp-gcc
@@ -0,0 +1,44 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2016 Freescale Semiconductor, Inc. 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 Freescale Semiconductor 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 "defconfig_arm64-armv8a-linuxapp-gcc"
+
+# NXP (Freescale) - Soc Architecture with WRIOP and QBMAN support
+CONFIG_RTE_MACHINE="dpaa2"
+CONFIG_RTE_ARCH_ARM_TUNE="cortex-a57+fp+simd"
+
+#
+# Compile Environment Abstraction Layer
+#
+CONFIG_RTE_MAX_LCORE=8
+CONFIG_RTE_MAX_NUMA_NODES=1
+CONFIG_RTE_EAL_IGB_UIO=n
+CONFIG_RTE_EAL_VFIO=y
diff --git a/mk/machine/dpaa2/rte.vars.mk b/mk/machine/dpaa2/rte.vars.mk
new file mode 100644
index 0000000..8541633
--- /dev/null
+++ b/mk/machine/dpaa2/rte.vars.mk
@@ -0,0 +1,60 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2016 Freescale Semiconductor, Inc. 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 Freescale Semiconductor 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 =
+MACHINE_CFLAGS += -march=armv8-a
+
+ifdef CONFIG_RTE_ARCH_ARM_TUNE
+MACHINE_CFLAGS += -mcpu=$(CONFIG_RTE_ARCH_ARM_TUNE)
+endif
diff --git a/mk/rte.module.mk b/mk/rte.module.mk
index 53ed4fe..09bf51b 100644
--- a/mk/rte.module.mk
+++ b/mk/rte.module.mk
@@ -29,6 +29,11 @@
 #   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 #   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+#### Linaro toolchain usages arm64 instread of aarch64 in kernel
+ifeq ($(ARCH), aarch64)
+ARCH = arm64
+endif
+
 ##### if sourced from kernel Kbuild system
 ifneq ($(KERNELRELEASE),)
 override EXTRA_CFLAGS = $(MODULE_CFLAGS) $(EXTRA_KERNEL_CFLAGS)
-- 
1.9.1