diff options
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-ppc64le.c')
| -rw-r--r-- | roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-ppc64le.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-ppc64le.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-ppc64le.c new file mode 100644 index 000000000..c431c818f --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/boringssl/crypto/cpu-ppc64le.c @@ -0,0 +1,40 @@ +/* Copyright (c) 2016, Google Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ + +#include <openssl/cpu.h> + +#if defined(OPENSSL_PPC64LE) + +#include <sys/auxv.h> + +#include "internal.h" + + +#if !defined(PPC_FEATURE2_HAS_VCRYPTO) +/* PPC_FEATURE2_HAS_VCRYPTO was taken from section 4.1.2.3 of the “OpenPOWER + * ABI for Linux Supplement”. */ +#define PPC_FEATURE2_HAS_VCRYPTO 0x02000000 +#endif + +static unsigned long g_ppc64le_hwcap2 = 0; + +void OPENSSL_cpuid_setup(void) { + g_ppc64le_hwcap2 = getauxval(AT_HWCAP2); +} + +int CRYPTO_is_PPC64LE_vcrypto_capable(void) { + return (g_ppc64le_hwcap2 & PPC_FEATURE2_HAS_VCRYPTO) != 0; +} + +#endif /* OPENSSL_PPC64LE */ |