1 files changed, 137 insertions, 0 deletions
diff --git a/src/seastar/dpdk/mk/rte.cpuflags.mk b/src/seastar/dpdk/mk/rte.cpuflags.mk
new file mode 100644
index 00000000..4288c147
--- /dev/null
+++ b/src/seastar/dpdk/mk/rte.cpuflags.mk
@@ -0,0 +1,137 @@
+#   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.
+
+# this makefile is called from the generic rte.vars.mk and is
+# used to set the RTE_CPUFLAG_* environment variables giving details
+# of what instruction sets the target cpu supports.
+
+AUTO_CPUFLAGS := $(shell $(CC) $(MACHINE_CFLAGS) $(WERROR_FLAGS) $(EXTRA_CFLAGS) -dM -E - < /dev/null)
+
+# adding flags to CPUFLAGS
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__SSE__),)
+CPUFLAGS += SSE
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__SSE2__),)
+CPUFLAGS += SSE2
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__SSE3__),)
+CPUFLAGS += SSE3
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__SSSE3__),)
+CPUFLAGS += SSSE3
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__SSE4_1__),)
+CPUFLAGS += SSE4_1
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__SSE4_2__),)
+CPUFLAGS += SSE4_2
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__AES__),)
+CPUFLAGS += AES
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__PCLMUL__),)
+CPUFLAGS += PCLMULQDQ
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__AVX__),)
+ifeq ($(CONFIG_RTE_ENABLE_AVX),y)
+CPUFLAGS += AVX
+endif
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__RDRND__),)
+CPUFLAGS += RDRAND
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__FSGSBASE__),)
+CPUFLAGS += FSGSBASE
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__F16C__),)
+CPUFLAGS += F16C
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__AVX2__),)
+ifeq ($(CONFIG_RTE_ENABLE_AVX),y)
+CPUFLAGS += AVX2
+endif
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__AVX512F__),)
+ifeq ($(CONFIG_RTE_ENABLE_AVX512),y)
+CPUFLAGS += AVX512F
+endif
+endif
+
+# IBM Power CPU flags
+ifneq ($(filter $(AUTO_CPUFLAGS),__PPC64__),)
+CPUFLAGS += PPC64
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__PPC32__),)
+CPUFLAGS += PPC32
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__vector),)
+CPUFLAGS += ALTIVEC
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__builtin_vsx_xvnmaddadp),)
+CPUFLAGS += VSX
+endif
+
+# ARM flags
+ifneq ($(filter $(AUTO_CPUFLAGS),__ARM_NEON),)
+CPUFLAGS += NEON
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__ARM_FEATURE_CRC32),)
+CPUFLAGS += CRC32
+endif
+
+
+MACHINE_CFLAGS += $(addprefix -DRTE_MACHINE_CPUFLAG_,$(CPUFLAGS))
+
+# To strip whitespace
+comma:= ,
+empty:=
+space:= $(empty) $(empty)
+CPUFLAGSTMP1 := $(addprefix RTE_CPUFLAG_,$(CPUFLAGS))
+CPUFLAGSTMP2 := $(subst $(space),$(comma),$(CPUFLAGSTMP1))
+CPUFLAGS_LIST := -DRTE_COMPILE_TIME_CPUFLAGS=$(CPUFLAGSTMP2)