xref: /freebsd/contrib/llvm-project/clang/lib/Headers/sgxintrin.h (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /*===---- sgxintrin.h - X86 SGX intrinsics configuration -------------------===
2  *
3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4  * See https://llvm.org/LICENSE.txt for license information.
5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6  *
7  *===-----------------------------------------------------------------------===
8  */
9 
10 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
11 #error "Never use <sgxintrin.h> directly; include <x86intrin.h> instead."
12 #endif
13 
14 #ifndef __SGXINTRIN_H
15 #define __SGXINTRIN_H
16 
17 #if __has_extension(gnu_asm)
18 
19 /* Define the default attributes for the functions in this file. */
20 #define __DEFAULT_FN_ATTRS \
21   __attribute__((__always_inline__, __nodebug__,  __target__("sgx")))
22 
23 static __inline unsigned int __DEFAULT_FN_ATTRS
24 _enclu_u32(unsigned int __leaf, __SIZE_TYPE__ __d[])
25 {
26   unsigned int __result;
27   __asm__ ("enclu"
28            : "=a" (__result), "=b" (__d[0]), "=c" (__d[1]), "=d" (__d[2])
29            : "a" (__leaf), "b" (__d[0]), "c" (__d[1]), "d" (__d[2])
30            : "cc");
31   return __result;
32 }
33 
34 static __inline unsigned int __DEFAULT_FN_ATTRS
35 _encls_u32(unsigned int __leaf, __SIZE_TYPE__ __d[])
36 {
37   unsigned int __result;
38   __asm__ ("encls"
39            : "=a" (__result), "=b" (__d[0]), "=c" (__d[1]), "=d" (__d[2])
40            : "a" (__leaf), "b" (__d[0]), "c" (__d[1]), "d" (__d[2])
41            : "cc");
42   return __result;
43 }
44 
45 static __inline unsigned int __DEFAULT_FN_ATTRS
46 _enclv_u32(unsigned int __leaf, __SIZE_TYPE__ __d[])
47 {
48   unsigned int __result;
49   __asm__ ("enclv"
50            : "=a" (__result), "=b" (__d[0]), "=c" (__d[1]), "=d" (__d[2])
51            : "a" (__leaf), "b" (__d[0]), "c" (__d[1]), "d" (__d[2])
52            : "cc");
53   return __result;
54 }
55 
56 #undef __DEFAULT_FN_ATTRS
57 
58 #endif /* __has_extension(gnu_asm) */
59 
60 #endif
61