diff options
Diffstat (limited to 'src/spdk/dpdk/mk/toolchain/gcc/rte.toolchain-compat.mk')
| -rw-r--r-- | src/spdk/dpdk/mk/toolchain/gcc/rte.toolchain-compat.mk | 89 |
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 |