Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1 | /* ==================================================================== |
| 2 | * Copyright (c) 1998-2011 The OpenSSL Project. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in |
| 13 | * the documentation and/or other materials provided with the |
| 14 | * distribution. |
| 15 | * |
| 16 | * 3. All advertising materials mentioning features or use of this |
| 17 | * software must display the following acknowledgment: |
| 18 | * "This product includes software developed by the OpenSSL Project |
| 19 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| 20 | * |
| 21 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 22 | * endorse or promote products derived from this software without |
| 23 | * prior written permission. For written permission, please contact |
| 24 | * openssl-core@openssl.org. |
| 25 | * |
| 26 | * 5. Products derived from this software may not be called "OpenSSL" |
| 27 | * nor may "OpenSSL" appear in their names without prior written |
| 28 | * permission of the OpenSSL Project. |
| 29 | * |
| 30 | * 6. Redistributions of any form whatsoever must retain the following |
| 31 | * acknowledgment: |
| 32 | * "This product includes software developed by the OpenSSL Project |
| 33 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| 34 | * |
| 35 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 36 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 37 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 38 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 41 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 42 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 43 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 44 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 45 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 46 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 47 | * ==================================================================== |
| 48 | * |
| 49 | * This product includes cryptographic software written by Eric Young |
| 50 | * (eay@cryptsoft.com). This product includes software written by Tim |
| 51 | * Hudson (tjh@cryptsoft.com). */ |
| 52 | |
| 53 | #ifndef OPENSSL_HEADER_ARM_ARCH_H |
| 54 | #define OPENSSL_HEADER_ARM_ARCH_H |
| 55 | |
| 56 | #if !defined(__ARM_ARCH__) |
| 57 | # if defined(__CC_ARM) |
| 58 | # define __ARM_ARCH__ __TARGET_ARCH_ARM |
| 59 | # if defined(__BIG_ENDIAN) |
| 60 | # define __ARMEB__ |
| 61 | # else |
| 62 | # define __ARMEL__ |
| 63 | # endif |
| 64 | # elif defined(__GNUC__) |
| 65 | # if defined(__aarch64__) |
| 66 | # define __ARM_ARCH__ 8 |
| 67 | # if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| 68 | # define __ARMEB__ |
| 69 | # else |
| 70 | # define __ARMEL__ |
| 71 | # endif |
| 72 | /* Why doesn't gcc define __ARM_ARCH__? Instead it defines |
| 73 | * bunch of below macros. See all_architectires[] table in |
| 74 | * gcc/config/arm/arm.c. On a side note it defines |
| 75 | * __ARMEL__/__ARMEB__ for little-/big-endian. */ |
| 76 | # elif defined(__ARM_ARCH) |
| 77 | # define __ARM_ARCH__ __ARM_ARCH |
| 78 | # elif defined(__ARM_ARCH_8A__) |
| 79 | # define __ARM_ARCH__ 8 |
| 80 | # elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || \ |
| 81 | defined(__ARM_ARCH_7R__)|| defined(__ARM_ARCH_7M__) || \ |
| 82 | defined(__ARM_ARCH_7EM__) |
| 83 | # define __ARM_ARCH__ 7 |
| 84 | # elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || \ |
| 85 | defined(__ARM_ARCH_6K__)|| defined(__ARM_ARCH_6M__) || \ |
| 86 | defined(__ARM_ARCH_6Z__)|| defined(__ARM_ARCH_6ZK__) || \ |
| 87 | defined(__ARM_ARCH_6T2__) |
| 88 | # define __ARM_ARCH__ 6 |
| 89 | # elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) || \ |
| 90 | defined(__ARM_ARCH_5E__)|| defined(__ARM_ARCH_5TE__) || \ |
| 91 | defined(__ARM_ARCH_5TEJ__) |
| 92 | # define __ARM_ARCH__ 5 |
| 93 | # elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) |
| 94 | # define __ARM_ARCH__ 4 |
| 95 | # else |
| 96 | # error "unsupported ARM architecture" |
| 97 | # endif |
| 98 | # endif |
| 99 | #endif |
| 100 | |
| 101 | /* Even when building for 32-bit ARM, support for aarch64 crypto instructions |
| 102 | * will be included. */ |
| 103 | #define __ARM_MAX_ARCH__ 8 |
| 104 | |
| 105 | #if !__ASSEMBLER__ |
| 106 | |
| 107 | /* OPENSSL_armcap_P contains flags describing the capabilities of the CPU and |
| 108 | * is easy for assembly code to acesss. For C code, see the functions in |
| 109 | * |cpu.h|. */ |
| 110 | extern uint32_t OPENSSL_armcap_P; |
| 111 | |
| 112 | #endif /* !__ASSEMBLER__ */ |
| 113 | |
| 114 | /* ARMV7_NEON is true when a NEON unit is present in the current CPU. */ |
| 115 | #define ARMV7_NEON (1 << 0) |
| 116 | |
| 117 | /* ARMV7_NEON_FUNCTIONAL is true when the NEON unit doesn't contain subtle bugs. |
| 118 | * The Poly1305 NEON code is known to trigger bugs in the NEON units of some |
| 119 | * phones. If this bit isn't set then the Poly1305 NEON code won't be used. |
| 120 | * See https://code.google.com/p/chromium/issues/detail?id=341598. */ |
| 121 | #define ARMV7_NEON_FUNCTIONAL (1 << 10) |
| 122 | |
| 123 | /* ARMV8_AES indicates support for hardware AES instructions. */ |
| 124 | #define ARMV8_AES (1 << 2) |
| 125 | |
| 126 | /* ARMV8_SHA1 indicates support for hardware SHA-1 instructions. */ |
| 127 | #define ARMV8_SHA1 (1 << 3) |
| 128 | |
| 129 | /* ARMV8_SHA256 indicates support for hardware SHA-256 instructions. */ |
| 130 | #define ARMV8_SHA256 (1 << 4) |
| 131 | |
| 132 | /* ARMV8_PMULL indicates support for carryless multiplication. */ |
| 133 | #define ARMV8_PMULL (1 << 5) |
| 134 | |
| 135 | |
| 136 | #endif /* OPENSSL_HEADER_THREAD_H */ |