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authortim <tim.c.chen@linux.intel.com>2015-09-11 01:27:26 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2015-09-21 17:01:06 +0300
commite38b6b7fcfd11fb83dcac54a33cbca3739c45a09 (patch)
tree6ae67102888e7afa539b35796bbb3d13895ae07a /arch/x86/crypto
parent95fca7df0b4964fbe3fe159e3d6e681e6b5b7a53 (diff)
downloadlinux-e38b6b7fcfd11fb83dcac54a33cbca3739c45a09.tar.xz
crypto: x86/sha - Add build support for Intel SHA Extensions optimized SHA1 and SHA256
This patch provides the configuration and build support to include and build the optimized SHA1 and SHA256 update transforms for the kernel's crypto library. Originally-by: Chandramouli Narayanan <mouli_7982@yahoo.com> Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/crypto')
-rw-r--r--arch/x86/crypto/Makefile8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile
index 9a2838cf0591..b9b912a44d61 100644
--- a/arch/x86/crypto/Makefile
+++ b/arch/x86/crypto/Makefile
@@ -5,6 +5,8 @@
avx_supported := $(call as-instr,vpxor %xmm0$(comma)%xmm0$(comma)%xmm0,yes,no)
avx2_supported := $(call as-instr,vpgatherdd %ymm0$(comma)(%eax$(comma)%ymm1\
$(comma)4)$(comma)%ymm2,yes,no)
+sha1_ni_supported :=$(call as-instr,sha1msg1 %xmm0$(comma)%xmm1,yes,no)
+sha256_ni_supported :=$(call as-instr,sha256msg1 %xmm0$(comma)%xmm1,yes,no)
obj-$(CONFIG_CRYPTO_GLUE_HELPER_X86) += glue_helper.o
@@ -91,9 +93,15 @@ ifeq ($(avx2_supported),yes)
sha1-ssse3-y += sha1_avx2_x86_64_asm.o
poly1305-x86_64-y += poly1305-avx2-x86_64.o
endif
+ifeq ($(sha1_ni_supported),yes)
+sha1-ssse3-y += sha1_ni_asm.o
+endif
crc32c-intel-y := crc32c-intel_glue.o
crc32c-intel-$(CONFIG_64BIT) += crc32c-pcl-intel-asm_64.o
crc32-pclmul-y := crc32-pclmul_asm.o crc32-pclmul_glue.o
sha256-ssse3-y := sha256-ssse3-asm.o sha256-avx-asm.o sha256-avx2-asm.o sha256_ssse3_glue.o
+ifeq ($(sha256_ni_supported),yes)
+sha256-ssse3-y += sha256_ni_asm.o
+endif
sha512-ssse3-y := sha512-ssse3-asm.o sha512-avx-asm.o sha512-avx2-asm.o sha512_ssse3_glue.o
crct10dif-pclmul-y := crct10dif-pcl-asm_64.o crct10dif-pclmul_glue.o