Initial commit of BoringSSL for Android.

1 files changed, 122 insertions, 0 deletions

diff --git a/src/include/openssl/cpu.h b/src/include/openssl/cpu.h
new file mode 100644
index 0000000..79441ae
--- /dev/null
+++ b/src/include/openssl/cpu.h
@@ -0,0 +1,122 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com). */
+
+#ifndef OPENSSL_HEADER_CPU_H
+#define OPENSSL_HEADER_CPU_H
+
+#include <openssl/base.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+/* Runtime CPU feature support */
+
+
+#if defined(OPENSSL_X86) || defined(OPENSSL_X86_64)
+/* OPENSSL_ia32cap_P contains the Intel CPUID bits when running on an x86 or
+ * x86-64 system.
+ *
+ *   Index 0:
+ *     EDX for CPUID where EAX = 1
+ *     Bit 30 is used to indicate an Intel CPU
+ *     Bit 20 is used to indicate RC4_CHAR
+ *   Index 1:
+ *     ECX for CPUID where EAX = 1
+ *   Index 2:
+ *     EBX for CPUID where EAX = 7
+ *
+ * Note: the CPUID bits are pre-adjusted for the OSXSAVE bit and the YMM and XMM
+ * bits in XCR0, so it is not necessary to check those. */
+extern uint32_t OPENSSL_ia32cap_P[4];
+#endif
+
+#if defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)
+/* CRYPTO_is_NEON_capable returns true if the current CPU has a NEON unit. Note
+ * that |OPENSSL_armcap_P| also exists and contains the same information in a
+ * form that's easier for assembly to use. */
+OPENSSL_EXPORT char CRYPTO_is_NEON_capable(void);
+
+/* CRYPTO_set_NEON_capable sets the return value of |CRYPTO_is_NEON_capable|.
+ * By default, unless the code was compiled with |-mfpu=neon|, NEON is assumed
+ * not to be present. It is not autodetected. Calling this with a zero
+ * argument also causes |CRYPTO_is_NEON_functional| to return false. */
+OPENSSL_EXPORT void CRYPTO_set_NEON_capable(char neon_capable);
+
+/* CRYPTO_is_NEON_functional returns true if the current CPU has a /working/
+ * NEON unit. Some phones have a NEON unit, but the Poly1305 NEON code causes
+ * it to fail. See https://code.google.com/p/chromium/issues/detail?id=341598 */
+OPENSSL_EXPORT char CRYPTO_is_NEON_functional(void);
+
+/* CRYPTO_set_NEON_functional sets the "NEON functional" flag. For
+ * |CRYPTO_is_NEON_functional| to return true, both this flag and the NEON flag
+ * must be true. By default NEON is assumed to be functional if the code was
+ * compiled with |-mfpu=neon| or if |CRYPTO_set_NEON_capable| has been called
+ * with a non-zero argument. */
+OPENSSL_EXPORT void CRYPTO_set_NEON_functional(char neon_functional);
+#endif  /* OPENSSL_ARM */
+
+
+#if defined(__cplusplus)
+}  /* extern C */
+#endif
+
+#endif  /* OPENSSL_HEADER_CPU_H */