[1166] | 1 | /* Copyright (C) 2017-2021 Free Software Foundation, Inc.
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| 2 |
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| 3 | This file is part of GCC.
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| 4 |
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| 5 | GCC is free software; you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 3, or (at your option)
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| 8 | any later version.
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| 9 |
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| 10 | GCC is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | Under Section 7 of GPL version 3, you are granted additional
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| 16 | permissions described in the GCC Runtime Library Exception, version
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| 17 | 3.1, as published by the Free Software Foundation.
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| 18 |
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| 19 | You should have received a copy of the GNU General Public License and
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| 20 | a copy of the GCC Runtime Library Exception along with this program;
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| 21 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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| 22 | <http://www.gnu.org/licenses/>. */
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| 23 |
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| 24 | #ifndef _SGXINTRIN_H_INCLUDED
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| 25 | #define _SGXINTRIN_H_INCLUDED
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| 26 |
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| 27 | #ifndef __SGX__
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| 28 | #pragma GCC push_options
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| 29 | #pragma GCC target("sgx")
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| 30 | #define __DISABLE_SGX__
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| 31 | #endif /* __SGX__ */
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| 32 |
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| 33 | #define __encls_bc(leaf, b, c, retval) \
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| 34 | __asm__ __volatile__ ("encls\n\t" \
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| 35 | : "=a" (retval) \
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| 36 | : "a" (leaf), "b" (b), "c" (c) \
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| 37 | : "cc")
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| 38 |
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| 39 | #define __encls_bcd(leaf, b, c, d, retval) \
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| 40 | __asm__ __volatile__("encls\n\t" \
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| 41 | : "=a" (retval) \
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| 42 | : "a" (leaf), "b" (b), "c" (c), "d" (d) \
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| 43 | : "cc")
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| 44 |
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| 45 | #define __encls_c(leaf, c, retval) \
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| 46 | __asm__ __volatile__("encls\n\t" \
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| 47 | : "=a" (retval) \
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| 48 | : "a" (leaf), "c" (c) \
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| 49 | : "cc")
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| 50 |
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| 51 | #define __encls_edbgrd(leaf, b, c, retval) \
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| 52 | __asm__ __volatile__("encls\n\t" \
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| 53 | : "=a" (retval), "=b" (b) \
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| 54 | : "a" (leaf), "c" (c))
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| 55 |
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| 56 | #define __encls_generic(leaf, b, c, d, retval) \
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| 57 | __asm__ __volatile__("encls\n\t" \
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| 58 | : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)\
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| 59 | : "a" (leaf), "b" (b), "c" (c), "d" (d) \
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| 60 | : "cc")
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| 61 |
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| 62 | #define __enclu_bc(leaf, b, c, retval) \
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| 63 | __asm__ __volatile__("enclu\n\t" \
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| 64 | : "=a" (retval) \
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| 65 | : "a" (leaf), "b" (b), "c" (c) \
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| 66 | : "cc")
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| 67 |
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| 68 | #define __enclu_bcd(leaf, b, c, d, retval) \
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| 69 | __asm__ __volatile__("enclu\n\t" \
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| 70 | : "=a" (retval) \
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| 71 | : "a" (leaf), "b" (b), "c" (c), "d" (d) \
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| 72 | : "cc")
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| 73 |
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| 74 | #define __enclu_eenter(leaf, b, c, retval) \
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| 75 | __asm__ __volatile__("enclu\n\t" \
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| 76 | : "=a" (retval), "=c" (c) \
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| 77 | : "a" (leaf), "b" (b), "c" (c) \
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| 78 | : "cc")
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| 79 |
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| 80 | #define __enclu_eexit(leaf, b, c, retval) \
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| 81 | __asm__ __volatile__("enclu\n\t" \
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| 82 | : "=a" (retval), "=c" (c) \
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| 83 | : "a" (leaf), "b" (b) \
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| 84 | : "cc")
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| 85 |
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| 86 | #define __enclu_generic(leaf, b, c, d, retval) \
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| 87 | __asm__ __volatile__("enclu\n\t" \
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| 88 | : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)\
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| 89 | : "a" (leaf), "b" (b), "c" (c), "d" (d) \
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| 90 | : "cc")
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| 91 |
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| 92 | #define __enclv_bc(leaf, b, c, retval) \
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| 93 | __asm__ __volatile__("enclv\n\t" \
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| 94 | : "=a" (retval) \
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| 95 | : "a" (leaf), "b" (b), "c" (c) \
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| 96 | : "cc")
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| 97 |
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| 98 | #define __enclv_cd(leaf, c, d, retval) \
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| 99 | __asm__ __volatile__("enclv\n\t" \
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| 100 | : "=a" (retval) \
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| 101 | : "a" (leaf), "c" (c), "d" (d) \
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| 102 | : "cc")
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| 103 |
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| 104 | #define __enclv_generic(leaf, b, c, d, retval) \
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| 105 | __asm__ __volatile__("enclv\n\t" \
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| 106 | : "=a" (retval), "=b" (b), "=c" (b), "=d" (d)\
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| 107 | : "a" (leaf), "b" (b), "c" (c), "d" (d) \
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| 108 | : "cc")
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| 109 |
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| 110 | extern __inline unsigned int
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| 111 | __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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| 112 | _encls_u32 (const unsigned int __L, size_t __D[])
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| 113 | {
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| 114 | enum __encls_type
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| 115 | {
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| 116 | __SGX_ECREATE = 0x00,
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| 117 | __SGX_EADD = 0x01,
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| 118 | __SGX_EINIT = 0x02,
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| 119 | __SGX_EREMOVE = 0x03,
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| 120 | __SGX_EDBGRD = 0x04,
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| 121 | __SGX_EDBGWR = 0x05,
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| 122 | __SGX_EEXTEND = 0x06,
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| 123 | __SGX_ELDB = 0x07,
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| 124 | __SGX_ELDU = 0x08,
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| 125 | __SGX_EBLOCK = 0x09,
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| 126 | __SGX_EPA = 0x0A,
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| 127 | __SGX_EWB = 0x0B,
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| 128 | __SGX_ETRACK = 0x0C,
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| 129 | __SGX_EAUG = 0x0D,
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| 130 | __SGX_EMODPR = 0x0E,
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| 131 | __SGX_EMODT = 0x0F,
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| 132 | __SGX_ERDINFO = 0x10,
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| 133 | __SGX_ETRACKC = 0x11,
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| 134 | __SGX_ELDBC = 0x12,
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| 135 | __SGX_ELDUC = 0x13
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| 136 | };
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| 137 | enum __encls_type __T = (enum __encls_type)__L;
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| 138 | unsigned int __R = 0;
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| 139 | if (!__builtin_constant_p (__T))
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| 140 | __encls_generic (__L, __D[0], __D[1], __D[2], __R);
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| 141 | else switch (__T)
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| 142 | {
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| 143 | case __SGX_ECREATE:
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| 144 | case __SGX_EADD:
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| 145 | case __SGX_EDBGWR:
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| 146 | case __SGX_EEXTEND:
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| 147 | case __SGX_EPA:
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| 148 | case __SGX_EMODPR:
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| 149 | case __SGX_EMODT:
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| 150 | case __SGX_EAUG:
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| 151 | case __SGX_ERDINFO:
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| 152 | __encls_bc (__L, __D[0], __D[1], __R);
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| 153 | break;
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| 154 | case __SGX_EINIT:
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| 155 | case __SGX_ELDB:
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| 156 | case __SGX_ELDU:
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| 157 | case __SGX_EWB:
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| 158 | case __SGX_ELDBC:
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| 159 | case __SGX_ELDUC:
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| 160 | __encls_bcd (__L, __D[0], __D[1], __D[2], __R);
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| 161 | break;
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| 162 | case __SGX_EREMOVE:
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| 163 | case __SGX_EBLOCK:
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| 164 | case __SGX_ETRACK:
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| 165 | case __SGX_ETRACKC:
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| 166 | __encls_c (__L, __D[1], __R);
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| 167 | break;
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| 168 | case __SGX_EDBGRD:
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| 169 | __encls_edbgrd (__L, __D[0], __D[1], __R);
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| 170 | break;
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| 171 | default:
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| 172 | __encls_generic (__L, __D[0], __D[1], __D[2], __R);
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| 173 | }
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| 174 | return __R;
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| 175 | }
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| 176 |
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| 177 | extern __inline unsigned int
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| 178 | __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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| 179 | _enclu_u32 (const unsigned int __L, size_t __D[])
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| 180 | {
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| 181 | enum __enclu_type
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| 182 | {
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| 183 | __SGX_EREPORT = 0x00,
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| 184 | __SGX_EGETKEY = 0x01,
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| 185 | __SGX_EENTER = 0x02,
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| 186 | __SGX_ERESUME = 0x03,
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| 187 | __SGX_EEXIT = 0x04,
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| 188 | __SGX_EACCEPT = 0x05,
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| 189 | __SGX_EMODPE = 0x06,
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| 190 | __SGX_EACCEPTCOPY = 0x07
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| 191 | };
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| 192 | enum __enclu_type __T = (enum __enclu_type) __L;
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| 193 | unsigned int __R = 0;
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| 194 | if (!__builtin_constant_p (__T))
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| 195 | __enclu_generic (__L, __D[0], __D[1], __D[2], __R);
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| 196 | else switch (__T)
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| 197 | {
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| 198 | case __SGX_EREPORT:
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| 199 | case __SGX_EACCEPTCOPY:
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| 200 | __enclu_bcd (__L, __D[0], __D[1], __D[2], __R);
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| 201 | break;
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| 202 | case __SGX_EGETKEY:
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| 203 | case __SGX_ERESUME:
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| 204 | case __SGX_EACCEPT:
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| 205 | case __SGX_EMODPE:
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| 206 | __enclu_bc (__L, __D[0], __D[1], __R);
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| 207 | break;
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| 208 | case __SGX_EENTER:
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| 209 | __enclu_eenter (__L, __D[0], __D[1], __R);
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| 210 | break;
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| 211 | case __SGX_EEXIT:
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| 212 | __enclu_eexit (__L, __D[0], __D[1], __R);
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| 213 | break;
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| 214 | default:
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| 215 | __enclu_generic (__L, __D[0], __D[1], __D[2], __R);
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| 216 | }
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| 217 | return __R;
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| 218 | }
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| 219 |
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| 220 | extern __inline unsigned int
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| 221 | __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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| 222 | _enclv_u32 (const unsigned int __L, size_t __D[])
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| 223 | {
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| 224 | enum __enclv_type
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| 225 | {
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| 226 | __SGX_EDECVIRTCHILD = 0x00,
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| 227 | __SGX_EINCVIRTCHILD = 0x01,
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| 228 | __SGX_ESETCONTEXT = 0x02
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| 229 | };
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| 230 | unsigned int __R = 0;
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| 231 | if (!__builtin_constant_p (__L))
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| 232 | __enclv_generic (__L, __D[0], __D[1], __D[2], __R);
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| 233 | else switch (__L)
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| 234 | {
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| 235 | case __SGX_EDECVIRTCHILD:
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| 236 | case __SGX_EINCVIRTCHILD:
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| 237 | __enclv_bc (__L, __D[0], __D[1], __R);
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| 238 | break;
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| 239 | case __SGX_ESETCONTEXT:
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| 240 | __enclv_cd (__L, __D[1], __D[2], __R);
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| 241 | break;
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| 242 | default:
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| 243 | __enclv_generic (__L, __D[0], __D[1], __D[2], __R);
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| 244 | }
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| 245 | return __R;
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| 246 | }
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| 247 |
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| 248 | #ifdef __DISABLE_SGX__
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| 249 | #undef __DISABLE_SGX__
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| 250 | #pragma GCC pop_options
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| 251 | #endif /* __DISABLE_SGX__ */
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| 252 |
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| 253 | #endif /* _SGXINTRIN_H_INCLUDED */
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