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authorJeffrey Walton <noloader@gmail.com>2018-11-18 16:35:02 -0500
committerJeffrey Walton <noloader@gmail.com>2018-11-18 16:35:02 -0500
commit3725c8411b7b278faddde1e88b11cb5b584a9531 (patch)
tree1f72d2189b7728769cd5a75dd26335c2c92ec6f8 /rijndael_simd.cpp
parent1a06aadbf06884cb9ad8dec8b37ee8674effc6e6 (diff)
downloadcryptopp-git-3725c8411b7b278faddde1e88b11cb5b584a9531.tar.gz
Move CPU_ProbePower7 and CPU_ProbePower8 into their own source files (GH #742)
Diffstat (limited to 'rijndael_simd.cpp')
-rw-r--r--rijndael_simd.cpp149
1 files changed, 0 insertions, 149 deletions
diff --git a/rijndael_simd.cpp b/rijndael_simd.cpp
index f4c9a288..1369307f 100644
--- a/rijndael_simd.cpp
+++ b/rijndael_simd.cpp
@@ -137,155 +137,6 @@ bool CPU_ProbeAES()
}
#endif // ARM32 or ARM64
-#if (CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64)
- bool CPU_ProbePower7()
-{
-#if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES)
- return false;
-#elif (CRYPTOPP_POWER7_AVAILABLE) || (CRYPTOPP_POWER8_AVAILABLE)
-# if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY)
-
- // longjmp and clobber warnings. Volatile is required.
- // http://github.com/weidai11/cryptopp/issues/24 and http://stackoverflow.com/q/7721854
- volatile int result = false;
-
- volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
- if (oldHandler == SIG_ERR)
- return false;
-
- volatile sigset_t oldMask;
- if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
- return false;
-
- if (setjmp(s_jmpSIGILL))
- result = false;
- else
- {
- // POWER7 added unaligned loads and store operations
- byte b1[19] = {255, 255, 255, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, b2[17];
-
- // Specifically call the VSX loads and stores
- #if defined(__xlc__) || defined(__xlC__)
- vec_xst(vec_xl(0, b1+3), 0, b2+1);
- #else
- vec_vsx_st(vec_vsx_ld(0, b1+3), 0, b2+1);
- #endif
-
- result = (0 == std::memcmp(b1+3, b2+1, 16));
- }
-
- sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
- signal(SIGILL, oldHandler);
- return result;
-# endif
-#else
- return false;
-#endif // CRYPTOPP_POWER7_AVAILABLE
-}
-
-bool CPU_ProbePower8()
-{
-#if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES)
- return false;
-#elif (CRYPTOPP_POWER8_AVAILABLE)
-# if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY)
-
- // longjmp and clobber warnings. Volatile is required.
- // http://github.com/weidai11/cryptopp/issues/24 and http://stackoverflow.com/q/7721854
- volatile int result = true;
-
- volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
- if (oldHandler == SIG_ERR)
- return false;
-
- volatile sigset_t oldMask;
- if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
- return false;
-
- if (setjmp(s_jmpSIGILL))
- result = false;
- else
- {
- // POWER8 added 64-bit SIMD operations
- const word64 x = W64LIT(0xffffffffffffffff);
- word64 w1[2] = {x, x}, w2[2] = {4, 6}, w3[2];
-
- // Specifically call the VSX loads and stores
- #if defined(__xlc__) || defined(__xlC__)
- const uint64x2_p v1 = (uint64x2_p)vec_xl(0, (byte*)w1);
- const uint64x2_p v2 = (uint64x2_p)vec_xl(0, (byte*)w2);
- const uint64x2_p v3 = VecAdd(v1, v2); // 64-bit add
- vec_xst((uint8x16_p)v3, 0, (byte*)w3);
- #else
- const uint64x2_p v1 = (uint64x2_p)vec_vsx_ld(0, (byte*)w1);
- const uint64x2_p v2 = (uint64x2_p)vec_vsx_ld(0, (byte*)w2);
- const uint64x2_p v3 = VecAdd(v1, v2); // 64-bit add
- vec_vsx_st((uint8x16_p)v3, 0, (byte*)w3);
- #endif
-
- // Relies on integer wrap
- result = (w3[0] == 3 && w3[1] == 5);
- }
-
- sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
- signal(SIGILL, oldHandler);
- return result;
-# endif
-#else
- return false;
-#endif // CRYPTOPP_POWER8_AVAILABLE
-}
-
-bool CPU_ProbeAES()
-{
-#if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES)
- return false;
-#elif (CRYPTOPP_POWER8_AES_AVAILABLE)
-# if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY)
-
- // longjmp and clobber warnings. Volatile is required.
- // http://github.com/weidai11/cryptopp/issues/24 and http://stackoverflow.com/q/7721854
- volatile int result = true;
-
- volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
- if (oldHandler == SIG_ERR)
- return false;
-
- volatile sigset_t oldMask;
- if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
- return false;
-
- if (setjmp(s_jmpSIGILL))
- result = false;
- else
- {
- byte key[16] = {0xA0, 0xFA, 0xFE, 0x17, 0x88, 0x54, 0x2c, 0xb1,
- 0x23, 0xa3, 0x39, 0x39, 0x2a, 0x6c, 0x76, 0x05};
- byte state[16] = {0x19, 0x3d, 0xe3, 0xb3, 0xa0, 0xf4, 0xe2, 0x2b,
- 0x9a, 0xc6, 0x8d, 0x2a, 0xe9, 0xf8, 0x48, 0x08};
- byte r[16] = {255}, z[16] = {};
-
- uint8x16_p k = (uint8x16_p)VecLoad(0, key);
- uint8x16_p s = (uint8x16_p)VecLoad(0, state);
- s = VecEncrypt(s, k);
- s = VecEncryptLast(s, k);
- s = VecDecrypt(s, k);
- s = VecDecryptLast(s, k);
- VecStore(s, r);
-
- result = (0 != std::memcmp(r, z, 16));
- }
-
- sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
- signal(SIGILL, oldHandler);
- return result;
-# endif
-#else
- return false;
-#endif // CRYPTOPP_POWER8_AES_AVAILABLE
-}
-#endif // PPC32 or PPC64
-
// ***************************** ARMv8 ***************************** //
#if (CRYPTOPP_ARM_AES_AVAILABLE)