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author | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2013-03-24 14:34:07 +0100 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-04-03 03:06:30 +0200 |
commit | 873b9cafa8cae695d92f0faabe7166af10078b78 (patch) | |
tree | 3f9145d08de037d049bb0bfe49cbb351175b1bcd /arch | |
parent | crypto: x86/crc32-pclmul - assembly clean-ups: use ENTRY/ENDPROC (diff) | |
download | linux-873b9cafa8cae695d92f0faabe7166af10078b78.tar.xz linux-873b9cafa8cae695d92f0faabe7166af10078b78.zip |
crypto: x86 - build AVX block cipher implementations only if assembler supports AVX instructions
These modules require AVX support in assembler, so add new check to Makefile
for this.
Other option would be to use CONFIG_AS_AVX inside source files, but that would
result dummy/empty/no-fuctionality modules being created.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/crypto/Makefile | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile index ca96761a22e4..83681a317422 100644 --- a/arch/x86/crypto/Makefile +++ b/arch/x86/crypto/Makefile @@ -2,6 +2,8 @@ # Arch-specific CryptoAPI modules. # +avx_supported := $(call as-instr,vpxor %xmm0$(comma)%xmm0$(comma)%xmm0,yes,no) + obj-$(CONFIG_CRYPTO_ABLK_HELPER_X86) += ablk_helper.o obj-$(CONFIG_CRYPTO_GLUE_HELPER_X86) += glue_helper.o @@ -12,16 +14,11 @@ obj-$(CONFIG_CRYPTO_SERPENT_SSE2_586) += serpent-sse2-i586.o obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o obj-$(CONFIG_CRYPTO_CAMELLIA_X86_64) += camellia-x86_64.o -obj-$(CONFIG_CRYPTO_CAMELLIA_AESNI_AVX_X86_64) += camellia-aesni-avx-x86_64.o -obj-$(CONFIG_CRYPTO_CAST5_AVX_X86_64) += cast5-avx-x86_64.o -obj-$(CONFIG_CRYPTO_CAST6_AVX_X86_64) += cast6-avx-x86_64.o obj-$(CONFIG_CRYPTO_BLOWFISH_X86_64) += blowfish-x86_64.o obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o obj-$(CONFIG_CRYPTO_TWOFISH_X86_64_3WAY) += twofish-x86_64-3way.o -obj-$(CONFIG_CRYPTO_TWOFISH_AVX_X86_64) += twofish-avx-x86_64.o obj-$(CONFIG_CRYPTO_SALSA20_X86_64) += salsa20-x86_64.o obj-$(CONFIG_CRYPTO_SERPENT_SSE2_X86_64) += serpent-sse2-x86_64.o -obj-$(CONFIG_CRYPTO_SERPENT_AVX_X86_64) += serpent-avx-x86_64.o obj-$(CONFIG_CRYPTO_AES_NI_INTEL) += aesni-intel.o obj-$(CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL) += ghash-clmulni-intel.o @@ -29,6 +26,16 @@ obj-$(CONFIG_CRYPTO_CRC32C_INTEL) += crc32c-intel.o obj-$(CONFIG_CRYPTO_SHA1_SSSE3) += sha1-ssse3.o obj-$(CONFIG_CRYPTO_CRC32_PCLMUL) += crc32-pclmul.o +# These modules require assembler to support AVX. +ifeq ($(avx_supported),yes) + obj-$(CONFIG_CRYPTO_CAMELLIA_AESNI_AVX_X86_64) += \ + camellia-aesni-avx-x86_64.o + obj-$(CONFIG_CRYPTO_CAST5_AVX_X86_64) += cast5-avx-x86_64.o + obj-$(CONFIG_CRYPTO_CAST6_AVX_X86_64) += cast6-avx-x86_64.o + obj-$(CONFIG_CRYPTO_TWOFISH_AVX_X86_64) += twofish-avx-x86_64.o + obj-$(CONFIG_CRYPTO_SERPENT_AVX_X86_64) += serpent-avx-x86_64.o +endif + aes-i586-y := aes-i586-asm_32.o aes_glue.o twofish-i586-y := twofish-i586-asm_32.o twofish_glue.o salsa20-i586-y := salsa20-i586-asm_32.o salsa20_glue.o @@ -36,17 +43,22 @@ serpent-sse2-i586-y := serpent-sse2-i586-asm_32.o serpent_sse2_glue.o aes-x86_64-y := aes-x86_64-asm_64.o aes_glue.o camellia-x86_64-y := camellia-x86_64-asm_64.o camellia_glue.o -camellia-aesni-avx-x86_64-y := camellia-aesni-avx-asm_64.o \ - camellia_aesni_avx_glue.o -cast5-avx-x86_64-y := cast5-avx-x86_64-asm_64.o cast5_avx_glue.o -cast6-avx-x86_64-y := cast6-avx-x86_64-asm_64.o cast6_avx_glue.o blowfish-x86_64-y := blowfish-x86_64-asm_64.o blowfish_glue.o twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_glue.o twofish-x86_64-3way-y := twofish-x86_64-asm_64-3way.o twofish_glue_3way.o -twofish-avx-x86_64-y := twofish-avx-x86_64-asm_64.o twofish_avx_glue.o salsa20-x86_64-y := salsa20-x86_64-asm_64.o salsa20_glue.o serpent-sse2-x86_64-y := serpent-sse2-x86_64-asm_64.o serpent_sse2_glue.o -serpent-avx-x86_64-y := serpent-avx-x86_64-asm_64.o serpent_avx_glue.o + +ifeq ($(avx_supported),yes) + camellia-aesni-avx-x86_64-y := camellia-aesni-avx-asm_64.o \ + camellia_aesni_avx_glue.o + cast5-avx-x86_64-y := cast5-avx-x86_64-asm_64.o cast5_avx_glue.o + cast6-avx-x86_64-y := cast6-avx-x86_64-asm_64.o cast6_avx_glue.o + twofish-avx-x86_64-y := twofish-avx-x86_64-asm_64.o \ + twofish_avx_glue.o + serpent-avx-x86_64-y := serpent-avx-x86_64-asm_64.o \ + serpent_avx_glue.o +endif aesni-intel-y := aesni-intel_asm.o aesni-intel_glue.o fpu.o ghash-clmulni-intel-y := ghash-clmulni-intel_asm.o ghash-clmulni-intel_glue.o |