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authorDave Barach <dave@barachs.net>2018-03-16 15:21:35 -0400
committerDamjan Marion <dmarion.lists@gmail.com>2018-03-16 20:28:13 +0000
commit0d65d11053395bde7bd8c36439e9025e50ea8028 (patch)
treee893ef41493550da42dcb6486b8c1c33a4b934b3 /src/vat
parentc03742346f0f3f08b83b0d2944bf72e19ea26191 (diff)
Fix a long-latent bi=0 bug in vlib_buffer_add_data
Change vlib_buffer_add_data() so it interprets ~0 to mean please allocate a new buffer, instead of 0. Fixed a couple of calls to pass ~0 instead of 0. Zero has always been a valid buffer index, we never happened to actually use it until recent buffer allocator changes. The presenting symptom: ASSERT failure when running "make TEST=test_mpls test-debug" Change-Id: Ic909913c1d464b3434d6d47e0c58f978806854d5 Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vat')
0 files changed, 0 insertions, 0 deletions
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# 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__),)
CPUFLAGS += AVX
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__),)
CPUFLAGS += AVX2
endif

ifneq ($(filter $(AUTO_CPUFLAGS),__AVX512F__),)
CPUFLAGS += AVX512F
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)