Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 89 insertions, 0 deletions

diff --git a/src/spdk/dpdk/mk/toolchain/gcc/rte.toolchain-compat.mk b/src/spdk/dpdk/mk/toolchain/gcc/rte.toolchain-compat.mk
new file mode 100644
index 00000000..1e4434fa
--- /dev/null
+++ b/src/spdk/dpdk/mk/toolchain/gcc/rte.toolchain-compat.mk
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2014 Intel Corporation
+
+#
+# CPUID-related options
+#
+# This was added to support compiler versions which might not support all the
+# flags we need
+#
+
+#find out GCC version
+
+GCC_MAJOR = $(shell echo __GNUC__ | $(CC) -E -x c - | tail -n 1)
+GCC_MINOR = $(shell echo __GNUC_MINOR__ | $(CC) -E -x c - | tail -n 1)
+GCC_PATCHLEVEL = $(shell echo __GNUC_PATCHLEVEL__ | $(CC) -E -x c - | tail -n 1)
+GCC_VERSION = $(GCC_MAJOR)$(GCC_MINOR)
+
+HOST_GCC_MAJOR = $(shell echo __GNUC__ | $(HOSTCC) -E -x c - | tail -n 1)
+HOST_GCC_MINOR = $(shell echo __GNUC_MINOR__ | $(HOSTCC) -E -x c - | tail -n 1)
+HOST_GCC_PATCHLEVEL = $(shell echo __GNUC_PATCHLEVEL__ | $(HOSTCC) -E -x c - | tail -n 1)
+HOST_GCC_VERSION = $(HOST_GCC_MAJOR)$(HOST_GCC_MINOR)
+
+# if GCC is older than 4.x
+ifeq ($(shell test $(GCC_VERSION) -lt 40 && echo 1), 1)
+	MACHINE_CFLAGS =
+$(warning You are using GCC < 4.x. This is neither supported, nor tested.)
+
+
+else
+# GCC graceful degradation
+# GCC 4.2.x - added support for generic target
+# GCC 4.3.x - added support for core2, ssse3, sse4.1, sse4.2
+# GCC 4.4.x - added support for avx, aes, pclmul
+# GCC 4.5.x - added support for atom
+# GCC 4.6.x - added support for corei7, corei7-avx
+# GCC 4.7.x - added support for fsgsbase, rdrnd, f16c, core-avx-i, core-avx2
+# GCC 4.9.x - added support for armv8-a+crc
+#
+	ifeq ($(shell test $(GCC_VERSION) -le 49 && echo 1), 1)
+		MACHINE_CFLAGS := $(patsubst -march=armv8-a+crc,-march=armv8-a+crc -D__ARM_FEATURE_CRC32=1,$(MACHINE_CFLAGS))
+		MACHINE_CFLAGS := $(patsubst -march=armv8-a+crc+crypto,-march=armv8-a+crc+crypto -D__ARM_FEATURE_CRC32=1,$(MACHINE_CFLAGS))
+	endif
+	ifeq ($(shell test $(GCC_VERSION) -le 47 && echo 1), 1)
+		MACHINE_CFLAGS := $(patsubst -march=core-avx-i,-march=corei7-avx,$(MACHINE_CFLAGS))
+		MACHINE_CFLAGS := $(patsubst -march=core-avx2,-march=core-avx2,$(MACHINE_CFLAGS))
+	endif
+	ifeq ($(shell test $(GCC_VERSION) -lt 46 && echo 1), 1)
+		MACHINE_CFLAGS := $(patsubst -march=corei7-avx,-march=core2 -maes -mpclmul -mavx,$(MACHINE_CFLAGS))
+		MACHINE_CFLAGS := $(patsubst -march=corei7,-march=core2 -maes -mpclmul,$(MACHINE_CFLAGS))
+	endif
+	ifeq ($(shell test $(GCC_VERSION) -lt 45 && echo 1), 1)
+		MACHINE_CFLAGS := $(patsubst -march=atom,-march=core2 -mssse3,$(MACHINE_CFLAGS))
+	endif
+	ifeq ($(shell test $(GCC_VERSION) -lt 44 && echo 1), 1)
+		MACHINE_CFLAGS := $(filter-out -mavx -mpclmul -maes,$(MACHINE_CFLAGS))
+		ifneq ($(findstring SSE4_2, $(CPUFLAGS)),)
+			MACHINE_CFLAGS += -msse4.2
+		endif
+		ifneq ($(findstring SSE4_1, $(CPUFLAGS)),)
+			MACHINE_CFLAGS += -msse4.1
+		endif
+	endif
+	ifeq ($(shell test $(GCC_VERSION) -lt 43 && echo 1), 1)
+		MACHINE_CFLAGS := $(filter-out -msse% -mssse%,$(MACHINE_CFLAGS))
+		MACHINE_CFLAGS := $(patsubst -march=core2,-march=generic,$(MACHINE_CFLAGS))
+		MACHINE_CFLAGS += -msse3
+	endif
+	ifeq ($(shell test $(GCC_VERSION) -lt 42 && echo 1), 1)
+		MACHINE_CFLAGS := $(filter-out -march% -mtune% -msse%,$(MACHINE_CFLAGS))
+	endif
+
+	# Disable thunderx PMD for gcc < 4.7
+	ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
+		CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD=d
+	endif
+
+	# Disable OPDL PMD for gcc < 4.7
+	ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
+		CONFIG_RTE_LIBRTE_PMD_OPDL_EVENTDEV=d
+	endif
+
+	# Disable octeontx event PMD for gcc < 4.8.6
+	ifeq ($(shell test $(GCC_VERSION)$(GCC_PATCHLEVEL) -lt 486 && echo 1), 1)
+		CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF=d
+		CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL=d
+		CONFIG_RTE_LIBRTE_OCTEONTX_PMD=d
+	endif
+
+endif