[dpdk-dev,v5,1/4] mk: add crypto capability for generic armv8a and thunderx
Checks
Commit Message
armv8-a has optional CRYPTO extension which adds the
AES, PMULL, SHA1 and SHA2 capabilities. -march=armv8-a+crypto
enables code generation for the ARMv8-A architecture together
with the optional CRYPTO extensions.
Added the following flags to detect the corresponding
capability at compile time.
* RTE_MACHINE_CPUFLAG_AES
* RTE_MACHINE_CPUFLAG_PMULL
* RTE_MACHINE_CPUFLAG_SHA1
* RTE_MACHINE_CPUFLAG_SHA2
At run-time, the following flags can be used to detect the
capabilities.
* RTE_CPUFLAG_AES
* RTE_CPUFLAG_PMULL
* RTE_CPUFLAG_SHA1
* RTE_CPUFLAG_SHA2
Signed-off-by: Ashwin Sekhar T K <ashwin.sekhar@caviumnetworks.com>
Reviewed-by: Jan Viktorin <viktorin@rehivetech.com>
---
mk/machine/armv8a/rte.vars.mk | 2 +-
mk/machine/thunderx/rte.vars.mk | 2 +-
mk/rte.cpuflags.mk | 6 ++++++
mk/toolchain/gcc/rte.toolchain-compat.mk | 1 +
4 files changed, 9 insertions(+), 2 deletions(-)
@@ -55,4 +55,4 @@
# CPU_LDFLAGS =
# CPU_ASFLAGS =
-MACHINE_CFLAGS += -march=armv8-a+crc
+MACHINE_CFLAGS += -march=armv8-a+crc+crypto
@@ -55,4 +55,4 @@
# CPU_LDFLAGS =
# CPU_ASFLAGS =
-MACHINE_CFLAGS += -march=armv8-a+crc -mcpu=thunderx
+MACHINE_CFLAGS += -march=armv8-a+crc+crypto -mcpu=thunderx
@@ -125,6 +125,12 @@ ifneq ($(filter $(AUTO_CPUFLAGS),__ARM_FEATURE_CRC32),)
CPUFLAGS += CRC32
endif
+ifneq ($(filter $(AUTO_CPUFLAGS),__ARM_FEATURE_CRYPTO),)
+CPUFLAGS += AES
+CPUFLAGS += PMULL
+CPUFLAGS += SHA1
+CPUFLAGS += SHA2
+endif
MACHINE_CFLAGS += $(addprefix -DRTE_MACHINE_CPUFLAG_,$(CPUFLAGS))
@@ -60,6 +60,7 @@ else
#
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))