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authortim <tim.c.chen@linux.intel.com>2015-09-10 15:27:26 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2015-09-21 22:01:06 +0800
commite38b6b7fcfd11fb83dcac54a33cbca3739c45a09 (patch)
tree6ae67102888e7afa539b35796bbb3d13895ae07a /arch/x86/Makefile
parentcrypto: x86/sha - glue code for Intel SHA extensions optimized SHA1 & SHA256 (diff)
downloadlinux-dev-e38b6b7fcfd11fb83dcac54a33cbca3739c45a09.tar.xz
linux-dev-e38b6b7fcfd11fb83dcac54a33cbca3739c45a09.zip
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 747860c696e1..a8009c77918a 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)