1 /* Copyright (C) 2017-2023 Free Software Foundation, Inc.
2
3 This file is part of GCC.
4
5 GCC is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
8 any later version.
9
10 GCC is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 Under Section 7 of GPL version 3, you are granted additional
16 permissions described in the GCC Runtime Library Exception, version
17 3.1, as published by the Free Software Foundation.
18
19 You should have received a copy of the GNU General Public License and
20 a copy of the GCC Runtime Library Exception along with this program;
21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22 <http://www.gnu.org/licenses/>. */
23
24 #ifndef _SGXINTRIN_H_INCLUDED
25 #define _SGXINTRIN_H_INCLUDED
26
27 #ifndef __SGX__
28 #pragma GCC push_options
29 #pragma GCC target("sgx")
30 #define __DISABLE_SGX__
31 #endif /* __SGX__ */
32
33 #define __encls_bc(leaf, b, c, retval) \
34 __asm__ __volatile__ ("encls\n\t" \
35 : "=a" (retval) \
36 : "a" (leaf), "b" (b), "c" (c) \
37 : "cc")
38
39 #define __encls_bcd(leaf, b, c, d, retval) \
40 __asm__ __volatile__("encls\n\t" \
41 : "=a" (retval) \
42 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
43 : "cc")
44
45 #define __encls_c(leaf, c, retval) \
46 __asm__ __volatile__("encls\n\t" \
47 : "=a" (retval) \
48 : "a" (leaf), "c" (c) \
49 : "cc")
50
51 #define __encls_edbgrd(leaf, b, c, retval) \
52 __asm__ __volatile__("encls\n\t" \
53 : "=a" (retval), "=b" (b) \
54 : "a" (leaf), "c" (c))
55
56 #define __encls_generic(leaf, b, c, d, retval) \
57 __asm__ __volatile__("encls\n\t" \
58 : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)\
59 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
60 : "cc")
61
62 #define __enclu_bc(leaf, b, c, retval) \
63 __asm__ __volatile__("enclu\n\t" \
64 : "=a" (retval) \
65 : "a" (leaf), "b" (b), "c" (c) \
66 : "cc")
67
68 #define __enclu_bcd(leaf, b, c, d, retval) \
69 __asm__ __volatile__("enclu\n\t" \
70 : "=a" (retval) \
71 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
72 : "cc")
73
74 #define __enclu_eenter(leaf, b, c, retval) \
75 __asm__ __volatile__("enclu\n\t" \
76 : "=a" (retval), "=c" (c) \
77 : "a" (leaf), "b" (b), "c" (c) \
78 : "cc")
79
80 #define __enclu_eexit(leaf, b, c, retval) \
81 __asm__ __volatile__("enclu\n\t" \
82 : "=a" (retval), "=c" (c) \
83 : "a" (leaf), "b" (b) \
84 : "cc")
85
86 #define __enclu_generic(leaf, b, c, d, retval) \
87 __asm__ __volatile__("enclu\n\t" \
88 : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)\
89 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
90 : "cc")
91
92 #define __enclv_bc(leaf, b, c, retval) \
93 __asm__ __volatile__("enclv\n\t" \
94 : "=a" (retval) \
95 : "a" (leaf), "b" (b), "c" (c) \
96 : "cc")
97
98 #define __enclv_cd(leaf, c, d, retval) \
99 __asm__ __volatile__("enclv\n\t" \
100 : "=a" (retval) \
101 : "a" (leaf), "c" (c), "d" (d) \
102 : "cc")
103
104 #define __enclv_generic(leaf, b, c, d, retval) \
105 __asm__ __volatile__("enclv\n\t" \
106 : "=a" (retval), "=b" (b), "=c" (b), "=d" (d)\
107 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
108 : "cc")
109
110 extern __inline unsigned int
111 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
112 _encls_u32 (const unsigned int __L, size_t __D[])
113 {
114 enum __encls_type
115 {
116 __SGX_ECREATE = 0x00,
117 __SGX_EADD = 0x01,
118 __SGX_EINIT = 0x02,
119 __SGX_EREMOVE = 0x03,
120 __SGX_EDBGRD = 0x04,
121 __SGX_EDBGWR = 0x05,
122 __SGX_EEXTEND = 0x06,
123 __SGX_ELDB = 0x07,
124 __SGX_ELDU = 0x08,
125 __SGX_EBLOCK = 0x09,
126 __SGX_EPA = 0x0A,
127 __SGX_EWB = 0x0B,
128 __SGX_ETRACK = 0x0C,
129 __SGX_EAUG = 0x0D,
130 __SGX_EMODPR = 0x0E,
131 __SGX_EMODT = 0x0F,
132 __SGX_ERDINFO = 0x10,
133 __SGX_ETRACKC = 0x11,
134 __SGX_ELDBC = 0x12,
135 __SGX_ELDUC = 0x13
136 };
137 enum __encls_type __T = (enum __encls_type)__L;
138 unsigned int __R = 0;
139 if (!__builtin_constant_p (__T))
140 __encls_generic (__L, __D[0], __D[1], __D[2], __R);
141 else switch (__T)
142 {
143 case __SGX_ECREATE:
144 case __SGX_EADD:
145 case __SGX_EDBGWR:
146 case __SGX_EEXTEND:
147 case __SGX_EPA:
148 case __SGX_EMODPR:
149 case __SGX_EMODT:
150 case __SGX_EAUG:
151 case __SGX_ERDINFO:
152 __encls_bc (__L, __D[0], __D[1], __R);
153 break;
154 case __SGX_EINIT:
155 case __SGX_ELDB:
156 case __SGX_ELDU:
157 case __SGX_EWB:
158 case __SGX_ELDBC:
159 case __SGX_ELDUC:
160 __encls_bcd (__L, __D[0], __D[1], __D[2], __R);
161 break;
162 case __SGX_EREMOVE:
163 case __SGX_EBLOCK:
164 case __SGX_ETRACK:
165 case __SGX_ETRACKC:
166 __encls_c (__L, __D[1], __R);
167 break;
168 case __SGX_EDBGRD:
169 __encls_edbgrd (__L, __D[0], __D[1], __R);
170 break;
171 default:
172 __encls_generic (__L, __D[0], __D[1], __D[2], __R);
173 }
174 return __R;
175 }
176
177 extern __inline unsigned int
178 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
179 _enclu_u32 (const unsigned int __L, size_t __D[])
180 {
181 enum __enclu_type
182 {
183 __SGX_EREPORT = 0x00,
184 __SGX_EGETKEY = 0x01,
185 __SGX_EENTER = 0x02,
186 __SGX_ERESUME = 0x03,
187 __SGX_EEXIT = 0x04,
188 __SGX_EACCEPT = 0x05,
189 __SGX_EMODPE = 0x06,
190 __SGX_EACCEPTCOPY = 0x07
191 };
192 enum __enclu_type __T = (enum __enclu_type) __L;
193 unsigned int __R = 0;
194 if (!__builtin_constant_p (__T))
195 __enclu_generic (__L, __D[0], __D[1], __D[2], __R);
196 else switch (__T)
197 {
198 case __SGX_EREPORT:
199 case __SGX_EACCEPTCOPY:
200 __enclu_bcd (__L, __D[0], __D[1], __D[2], __R);
201 break;
202 case __SGX_EGETKEY:
203 case __SGX_ERESUME:
204 case __SGX_EACCEPT:
205 case __SGX_EMODPE:
206 __enclu_bc (__L, __D[0], __D[1], __R);
207 break;
208 case __SGX_EENTER:
209 __enclu_eenter (__L, __D[0], __D[1], __R);
210 break;
211 case __SGX_EEXIT:
212 __enclu_eexit (__L, __D[0], __D[1], __R);
213 break;
214 default:
215 __enclu_generic (__L, __D[0], __D[1], __D[2], __R);
216 }
217 return __R;
218 }
219
220 extern __inline unsigned int
221 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
222 _enclv_u32 (const unsigned int __L, size_t __D[])
223 {
224 enum __enclv_type
225 {
226 __SGX_EDECVIRTCHILD = 0x00,
227 __SGX_EINCVIRTCHILD = 0x01,
228 __SGX_ESETCONTEXT = 0x02
229 };
230 unsigned int __R = 0;
231 if (!__builtin_constant_p (__L))
232 __enclv_generic (__L, __D[0], __D[1], __D[2], __R);
233 else switch (__L)
234 {
235 case __SGX_EDECVIRTCHILD:
236 case __SGX_EINCVIRTCHILD:
237 __enclv_bc (__L, __D[0], __D[1], __R);
238 break;
239 case __SGX_ESETCONTEXT:
240 __enclv_cd (__L, __D[1], __D[2], __R);
241 break;
242 default:
243 __enclv_generic (__L, __D[0], __D[1], __D[2], __R);
244 }
245 return __R;
246 }
247
248 #ifdef __DISABLE_SGX__
249 #undef __DISABLE_SGX__
250 #pragma GCC pop_options
251 #endif /* __DISABLE_SGX__ */
252
253 #endif /* _SGXINTRIN_H_INCLUDED */