| 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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