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authortim <tim.c.chen@linux.intel.com>2015-09-10 22:27:26 (GMT)
committerHerbert Xu <herbert@gondor.apana.org.au>2015-09-21 14:01:06 (GMT)
commite38b6b7fcfd11fb83dcac54a33cbca3739c45a09 (patch)
tree6ae67102888e7afa539b35796bbb3d13895ae07a /arch/x86/Makefile
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/Makefile')
-rw-r--r--arch/x86/Makefile6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 747860c..a8009c7 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -165,9 +165,11 @@ asinstr += $(call as-instr,pshufb %xmm0$(comma)%xmm0,-DCONFIG_AS_SSSE3=1)
asinstr += $(call as-instr,crc32l %eax$(comma)%eax,-DCONFIG_AS_CRC32=1)
avx_instr := $(call as-instr,vxorps %ymm0$(comma)%ymm1$(comma)%ymm2,-DCONFIG_AS_AVX=1)
avx2_instr :=$(call as-instr,vpbroadcastb %xmm0$(comma)%ymm1,-DCONFIG_AS_AVX2=1)
+sha1_ni_instr :=$(call as-instr,sha1msg1 %xmm0$(comma)%xmm1,-DCONFIG_AS_SHA1_NI=1)
+sha256_ni_instr :=$(call as-instr,sha256msg1 %xmm0$(comma)%xmm1,-DCONFIG_AS_SHA256_NI=1)
-KBUILD_AFLAGS += $(asinstr) $(avx_instr) $(avx2_instr)
-KBUILD_CFLAGS += $(asinstr) $(avx_instr) $(avx2_instr)
+KBUILD_AFLAGS += $(asinstr) $(avx_instr) $(avx2_instr) $(sha1_ni_instr) $(sha256_ni_instr)
+KBUILD_CFLAGS += $(asinstr) $(avx_instr) $(avx2_instr) $(sha1_ni_instr) $(sha256_ni_instr)
LDFLAGS := -m elf_$(UTS_MACHINE)