root / lab4 / .minix-src / include / clang-3.6 / ia32intrin.h @ 13
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1 | 13 | up20180614 | /* ===-------- ia32intrin.h ---------------------------------------------------===
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2 | *
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3 | * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 | * of this software and associated documentation files (the "Software"), to deal
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5 | * in the Software without restriction, including without limitation the rights
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6 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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7 | * copies of the Software, and to permit persons to whom the Software is
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8 | * furnished to do so, subject to the following conditions:
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9 | *
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10 | * The above copyright notice and this permission notice shall be included in
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11 | * all copies or substantial portions of the Software.
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12 | *
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13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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18 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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19 | * THE SOFTWARE.
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20 | *
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21 | *===-----------------------------------------------------------------------===
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22 | */
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23 | |||
24 | #ifndef __X86INTRIN_H
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25 | #error "Never use <ia32intrin.h> directly; include <x86intrin.h> instead." |
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26 | #endif
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27 | |||
28 | #ifndef __IA32INTRIN_H
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29 | #define __IA32INTRIN_H
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30 | |||
31 | #ifdef __x86_64__
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32 | static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) |
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33 | __readeflags(void)
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34 | { |
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35 | unsigned long long __res = 0; |
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36 | __asm__ __volatile__ ("pushf\n\t"
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37 | "popq %0\n"
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38 | :"=r"(__res)
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39 | : |
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40 | : |
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41 | ); |
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42 | return __res;
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43 | } |
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44 | |||
45 | static __inline__ void __attribute__((__always_inline__, __nodebug__)) |
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46 | __writeeflags(unsigned long long __f) |
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47 | { |
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48 | __asm__ __volatile__ ("pushq %0\n\t"
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49 | "popf\n"
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50 | : |
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51 | :"r"(__f)
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52 | :"flags"
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53 | ); |
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54 | } |
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55 | |||
56 | #else /* !__x86_64__ */ |
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57 | static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
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58 | __readeflags(void)
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59 | { |
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60 | unsigned int __res = 0; |
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61 | __asm__ __volatile__ ("pushf\n\t"
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62 | "popl %0\n"
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63 | :"=r"(__res)
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64 | : |
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65 | : |
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66 | ); |
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67 | return __res;
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68 | } |
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69 | |||
70 | static __inline__ void __attribute__((__always_inline__, __nodebug__)) |
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71 | __writeeflags(unsigned int __f) |
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72 | { |
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73 | __asm__ __volatile__ ("pushl %0\n\t"
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74 | "popf\n"
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75 | : |
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76 | :"r"(__f)
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77 | :"flags"
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78 | ); |
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79 | } |
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80 | #endif /* !__x86_64__ */ |
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81 | |||
82 | static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) |
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83 | __rdpmc(int __A) {
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84 | return __builtin_ia32_rdpmc(__A);
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85 | } |
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86 | |||
87 | /* __rdtsc */
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88 | static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) |
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89 | __rdtsc(void) {
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90 | return __builtin_ia32_rdtsc();
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91 | } |
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92 | |||
93 | /* __rdtscp */
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94 | static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) |
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95 | __rdtscp(unsigned int *__A) { |
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96 | return __builtin_ia32_rdtscp(__A);
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97 | } |
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98 | |||
99 | #define _rdtsc() __rdtsc()
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100 | |||
101 | #endif /* __IA32INTRIN_H */ |