[ASM x64] Fix UNIMPLEMENTED macro for MSVC
[reactos.git] / ntoskrnl / include / internal / amd64 / intrin_i.h
1 #ifndef _INTRIN_INTERNAL_
2 #define _INTRIN_INTERNAL_
3
4 FORCEINLINE
5 VOID
6 KeSetCurrentIrql(KIRQL Irql)
7 {
8 __writecr8(Irql);
9 }
10
11 FORCEINLINE
12 PKGDTENTRY64
13 KiGetGdtEntry(PVOID pGdt, USHORT Selector)
14 {
15 return (PKGDTENTRY64)((ULONG64)pGdt + (Selector & ~RPL_MASK));
16 }
17
18 FORCEINLINE
19 PVOID
20 KiGetGdtDescriptorBase(PKGDTENTRY Entry)
21 {
22 return (PVOID)((ULONG64)Entry->BaseLow |
23 (ULONG64)Entry->Bytes.BaseMiddle << 16 |
24 (ULONG64)Entry->Bytes.BaseHigh << 24 |
25 (ULONG64)Entry->BaseUpper << 32);
26 }
27
28 FORCEINLINE
29 VOID
30 KiSetGdtDescriptorBase(PKGDTENTRY Entry, ULONG64 Base)
31 {
32 Entry->BaseLow = Base & 0xffff;
33 Entry->Bits.BaseMiddle = (Base >> 16) & 0xff;
34 Entry->Bits.BaseHigh = (Base >> 24) & 0xff;
35 Entry->BaseUpper = Base >> 32;
36 }
37
38 FORCEINLINE
39 VOID
40 KiSetGdtDescriptorLimit(PKGDTENTRY Entry, ULONG Limit)
41 {
42 Entry->LimitLow = Limit & 0xffff;
43 Entry->Bits.LimitHigh = Limit >> 16;
44 }
45
46 FORCEINLINE
47 VOID
48 KiInitGdtEntry(PKGDTENTRY64 Entry, ULONG64 Base, ULONG Size, UCHAR Type, UCHAR Dpl)
49 {
50 KiSetGdtDescriptorBase(Entry, Base);
51 KiSetGdtDescriptorLimit(Entry, Size - 1);
52 Entry->Bits.Type = Type;
53 Entry->Bits.Dpl = Dpl;
54 Entry->Bits.Present = 1;
55 Entry->Bits.System = 0;
56 Entry->Bits.LongMode = 0;
57 Entry->Bits.DefaultBig = 0;
58 Entry->Bits.Granularity = 0;
59 Entry->MustBeZero = 0;
60 }
61
62 #if defined(__GNUC__)
63
64 static __inline__ __attribute__((always_inline)) void __lgdt(void *Source)
65 {
66 __asm__ __volatile__("lgdt %0" : : "m"(*(short*)Source));
67 }
68
69 static __inline__ __attribute__((always_inline)) void __sgdt(void *Destination)
70 {
71 __asm__ __volatile__("sgdt %0" : : "m"(*(short*)Destination) : "memory");
72 }
73
74 static __inline__ __attribute__((always_inline)) void __lldt(unsigned short Value)
75 {
76 __asm__ __volatile__("lldt %0" : : "rm"(Value));
77 }
78
79 static __inline__ __attribute__((always_inline)) void __sldt(void *Destination)
80 {
81 __asm__ __volatile__("sldt %0" : : "m"(*(short*)Destination) : "memory");
82 }
83
84 static __inline__ __attribute__((always_inline)) void __ldmxcsr(unsigned long *Source)
85 {
86 __asm__ __volatile__("ldmxcsr %0" : : "m"(*Source));
87 }
88
89 static __inline__ __attribute__((always_inline)) void __stmxcsr(unsigned long *Destination)
90 {
91 __asm__ __volatile__("stmxcsr %0" : : "m"(*Destination) : "memory");
92 }
93
94 static __inline__ __attribute__((always_inline)) void __ltr(unsigned short Source)
95 {
96 __asm__ __volatile__("ltr %0" : : "rm"(Source));
97 }
98
99 static __inline__ __attribute__((always_inline)) void __str(unsigned short *Destination)
100 {
101 __asm__ __volatile__("str %0" : : "m"(*Destination) : "memory");
102 }
103
104
105 #elif defined(_MSC_VER)
106
107 void __lgdt(void *Source);
108
109 void __sgdt(void *Destination);
110
111 void __lldt(unsigned short Value);
112
113 void __sldt(void *Destination);
114
115 void __ltr(unsigned short Source);
116
117 void __str(unsigned short *Destination);
118
119
120 #else
121 #error Unknown compiler for inline assembler
122 #endif
123
124 #endif
125
126 /* EOF */