1 /* ===-------- ia32intrin.h ---------------------------------------------------===
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 * THE SOFTWARE.
20 *
21 *===-----------------------------------------------------------------------===
22 */
23
24 #ifndef __X86INTRIN_H
25 #error "Never use <ia32intrin.h> directly; include <x86intrin.h> instead."
26 #endif
27
28 #ifndef __IA32INTRIN_H
29 #define __IA32INTRIN_H
30
31 #ifdef __x86_64__
32 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
__readeflags(void)33 __readeflags(void)
34 {
35 unsigned long long __res = 0;
36 __asm__ __volatile__ ("pushf\n\t"
37 "popq %0\n"
38 :"=r"(__res)
39 :
40 :
41 );
42 return __res;
43 }
44
45 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__writeeflags(unsigned long long __f)46 __writeeflags(unsigned long long __f)
47 {
48 __asm__ __volatile__ ("pushq %0\n\t"
49 "popf\n"
50 :
51 :"r"(__f)
52 :"flags"
53 );
54 }
55
56 #else /* !__x86_64__ */
57 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
__readeflags(void)58 __readeflags(void)
59 {
60 unsigned int __res = 0;
61 __asm__ __volatile__ ("pushf\n\t"
62 "popl %0\n"
63 :"=r"(__res)
64 :
65 :
66 );
67 return __res;
68 }
69
70 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__writeeflags(unsigned int __f)71 __writeeflags(unsigned int __f)
72 {
73 __asm__ __volatile__ ("pushl %0\n\t"
74 "popf\n"
75 :
76 :"r"(__f)
77 :"flags"
78 );
79 }
80 #endif /* !__x86_64__ */
81
82 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
__rdpmc(int __A)83 __rdpmc(int __A) {
84 return __builtin_ia32_rdpmc(__A);
85 }
86
87 /* __rdtsc */
88 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
__rdtsc(void)89 __rdtsc(void) {
90 return __builtin_ia32_rdtsc();
91 }
92
93 /* __rdtscp */
94 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
__rdtscp(unsigned int * __A)95 __rdtscp(unsigned int *__A) {
96 return __builtin_ia32_rdtscp(__A);
97 }
98
99 #define _rdtsc() __rdtsc()
100
101 #endif /* __IA32INTRIN_H */
102