ReactOS 0.4.16-dev-38-g96c65e9
tools.h
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1
2// Copyright (C) Alexander Telyatnikov, Ivan Keliukh, Yegor Anchishkin, SKIF Software, 1999-2013. Kiev, Ukraine
3// All rights reserved
4// This file was released under the GPLv2 on June 2015.
6#ifndef __TOOLS_H__
7#define __TOOLS_H__
8
9#ifdef __cplusplus
10extern "C" {
11#endif
12
13#ifndef __CROSSNT_MISC__H__
14
15typedef struct _FOUR_BYTE {
16 UCHAR Byte0;
17 UCHAR Byte1;
18 UCHAR Byte2;
19 UCHAR Byte3;
20} FOUR_BYTE, *PFOUR_BYTE;
21
22#if defined _X86_ && defined __CROSS_VERSION_LIB_NT__H__
23
24#define AcquireXLock(gLock, oldValue, newValue) \
25{ \
26 PULONG _gLock_ = &(gLock); \
27 __asm push ebx \
28 __asm mov eax,newValue \
29 __asm mov ebx,_gLock_ \
30 __asm xchg eax,[ebx] \
31 __asm mov oldValue,eax \
32 __asm pop ebx \
33}
34
35void
36__fastcall
37_MOV_DD_SWP(
38 void* a, // ECX
39 void* b // EDX
40 );
41#define MOV_DD_SWP(a,b) _MOV_DD_SWP(&(a),&(b))
42/*#define MOV_DD_SWP(a,b) \
43{ \
44 PFOUR_BYTE _from_, _to_; \
45 _from_ = ((PFOUR_BYTE)&(b)); \
46 _to_ = ((PFOUR_BYTE)&(a)); \
47 __asm mov ebx,_from_ \
48 __asm mov eax,[ebx] \
49 __asm bswap eax \
50 __asm mov ebx,_to_ \
51 __asm mov [ebx],eax \
52}*/
53
54void
55__fastcall
56_MOV_DW_SWP(
57 void* a, // ECX
58 void* b // EDX
59 );
60#define MOV_DW_SWP(a,b) _MOV_DW_SWP(&(a),&(b))
61/*#define MOV_DW_SWP(a,b) \
62{ \
63 PFOUR_BYTE _from_, _to_; \
64 _from_ = ((PFOUR_BYTE)&(b)); \
65 _to_ = ((PFOUR_BYTE)&(a)); \
66 __asm push ebx \
67 __asm mov ebx,_from_ \
68 __asm mov ax,[ebx] \
69 __asm rol ax,8 \
70 __asm mov ebx,_to_ \
71 __asm mov [ebx],ax \
72 __asm pop ebx \
73}*/
74
75void
76__fastcall
77_REVERSE_DD(
78 void* a // ECX
79 );
80#define REVERSE_DD(a) _REVERSE_DD(&(a))
81/*#define REVERSE_DD(a) { \
82 PFOUR_BYTE _from_; \
83 _from_ = ((PFOUR_BYTE)&(a)); \
84 __asm mov ebx,_from_ \
85 __asm mov eax,[ebx] \
86 __asm bswap eax \
87 __asm mov [ebx],eax \
88}*/
89
90void
91__fastcall
92_REVERSE_DW(
93 void* a // ECX
94 );
95#define REVERSE_DW(a) _REVERSE_DW(&(a))
96/*#define REVERSE_DW(a) { \
97 PFOUR_BYTE _from_; \
98 _from_ = ((PFOUR_BYTE)&(a)); \
99 __asm mov eax,_from_ \
100 __asm rol word ptr [eax],8 \
101}*/
102
103void
104__fastcall
105_MOV_DW2DD_SWP(
106 void* a, // ECX
107 void* b // EDX
108 );
109#define MOV_DW2DD_SWP(a,b) _MOV_DW2DD_SWP(&(a),&(b))
110/*#define MOV_DW2DD_SWP(a,b) \
111{ \
112 PFOUR_BYTE _from_, _to_; \
113 _from_ = ((PFOUR_BYTE)&(b)); \
114 _to_ = ((PFOUR_BYTE)&(a)); \
115 __asm mov ebx,_from_ \
116 __asm mov ax,[ebx] \
117 __asm rol ax,8 \
118 __asm mov ebx,_to_ \
119 __asm mov [ebx+2],ax \
120 __asm mov [ebx],0 \
121}*/
122
123void
124__fastcall
125_MOV_MSF(
126 void* a, // ECX
127 void* b // EDX
128 );
129#define MOV_MSF(a,b) _MOV_MSF(&(a),&(b))
130/*#define MOV_MSF(a,b) \
131{ \
132 PFOUR_BYTE _from_, _to_; \
133 _from_ = ((PFOUR_BYTE)&(b)); \
134 _to_ = ((PFOUR_BYTE)&(a)); \
135 __asm mov ebx,_from_ \
136 __asm mov eax,[ebx] \
137 __asm mov ebx,_to_ \
138 __asm mov [ebx],ax \
139 __asm shr eax,16 \
140 __asm mov [ebx+2],al \
141}*/
142
143void
144__fastcall
145_MOV_MSF_SWP(
146 void* a, // ECX
147 void* b // EDX
148 );
149#define MOV_MSF_SWP(a,b) _MOV_MSF_SWP(&(a),&(b))
150/*#define MOV_MSF_SWP(a,b) \
151{ \
152 PFOUR_BYTE _from_, _to_; \
153 _from_ = ((PFOUR_BYTE)&(b)); \
154 _to_ = ((PFOUR_BYTE)&(a)); \
155 __asm mov ebx,_from_ \
156 __asm mov eax,[ebx] \
157 __asm mov ebx,_to_ \
158 __asm mov [ebx+2],al \
159 __asm bswap eax \
160 __asm shr eax,8 \
161 __asm mov [ebx],ax \
162}*/
163
164void
165__fastcall
166_XCHG_DD(
167 void* a, // ECX
168 void* b // EDX
169 );
170#define XCHG_DD(a,b) _XCHG_DD(&(a),&(b))
171/*#define XCHG_DD(a,b) \
172{ \
173 PULONG _from_, _to_; \
174 _from_ = ((PULONG)&(b)); \
175 _to_ = ((PULONG)&(a)); \
176 __asm mov ebx,_from_ \
177 __asm mov ecx,_to_ \
178 __asm mov eax,[ebx] \
179 __asm xchg eax,[ecx] \
180 __asm mov [ebx],eax \
181}*/
182
183#else // NO X86 optimization , use generic C/C++
184
185#define AcquireXLock(gLock, oldValue, newValue) \
186{ \
187 oldValue = gLock; \
188 gLock = newValue; \
189}
190
191#define MOV_DD_SWP(a,b) \
192{ \
193 PFOUR_BYTE _from_, _to_; \
194 _from_ = ((PFOUR_BYTE)&(b)); \
195 _to_ = ((PFOUR_BYTE)&(a)); \
196 _to_->Byte0 = _from_->Byte3; \
197 _to_->Byte1 = _from_->Byte2; \
198 _to_->Byte2 = _from_->Byte1; \
199 _to_->Byte3 = _from_->Byte0; \
200}
201
202#define MOV_DW_SWP(a,b) \
203{ \
204 PFOUR_BYTE _from_, _to_; \
205 _from_ = ((PFOUR_BYTE)&(b)); \
206 _to_ = ((PFOUR_BYTE)&(a)); \
207 _to_->Byte0 = _from_->Byte1; \
208 _to_->Byte1 = _from_->Byte0; \
209}
210
211#define REVERSE_DD(a) { \
212 ULONG _i_; \
213 MOV_DD_SWP(_i_,(a)); \
214 *((PULONG)&(a)) = _i_; \
215}
216
217#define REVERSE_DW(a) { \
218 USHORT _i_; \
219 MOV_DW_SWP(_i_,(a)); \
220 *((PUSHORT)&(a)) = _i_; \
221}
222
223#define MOV_DW2DD_SWP(a,b) \
224{ \
225 PFOUR_BYTE _from_, _to_; \
226 _from_ = ((PFOUR_BYTE)&(b)); \
227 _to_ = ((PFOUR_BYTE)&(a)); \
228 *((PUSHORT)_to_) = 0; \
229 _to_->Byte2 = _from_->Byte1; \
230 _to_->Byte3 = _from_->Byte0; \
231}
232
233#define MOV_MSF(a,b) \
234{ \
235 PFOUR_BYTE _from_, _to_; \
236 _from_ = ((PFOUR_BYTE)&(b)); \
237 _to_ = ((PFOUR_BYTE)&(a)); \
238 _to_->Byte0 = _from_->Byte0; \
239 _to_->Byte1 = _from_->Byte1; \
240 _to_->Byte2 = _from_->Byte2; \
241}
242
243#define MOV_MSF_SWP(a,b) \
244{ \
245 PFOUR_BYTE _from_, _to_; \
246 _from_ = ((PFOUR_BYTE)&(b)); \
247 _to_ = ((PFOUR_BYTE)&(a)); \
248 _to_->Byte0 = _from_->Byte2; \
249 _to_->Byte1 = _from_->Byte1; \
250 _to_->Byte2 = _from_->Byte0; \
251}
252
253#define XCHG_DD(a,b) \
254{ \
255 ULONG _temp_; \
256 PULONG _from_, _to_; \
257 _from_ = ((PULONG)&(b)); \
258 _to_ = ((PULONG)&(a)); \
259 _temp_ = *_from_; \
260 *_from_ = *_to_; \
261 *_to_ = _temp_; \
262}
263
264#endif // _X86_
265
266#endif // __CROSSNT_MISC__H__
267
268#define CONV_TO_LL(a) a.Byte0 | a.Byte1 << 8 | a.Byte2 << 16 | a.Byte3 << 8
269#define MSF_TO_LBA(Minutes,Seconds,Frames) \
270 (ULONG)((60 * 75 * (Minutes)) + (75 * (Seconds)) + ((Frames) - 150))
271
272#define PacketFixed2Variable(x,ps) ( ( ( (x) / (ps) ) * (ps+7) ) + ( (x) & (ps-1) ) )
273#define PacketVariable2Fixed(x,ps) ( ( ( (x) / (ps+7) ) * (ps) ) + ( (((x) % (ps+7)) < (ps)) ? ((x) % (ps+7)) : (ps-1) ) )
274
275#define WAIT_FOR_XXX_EMU_DELAY 1000LL // 0.0001 s
276
277#define max(a,b) (((a) > (b)) ? (a) : (b))
278#define min(a,b) (((a) < (b)) ? (a) : (b))
279
280#ifndef offsetof
281#define offsetof(type, field) (ULONG)&(((type *)0)->field)
282#endif //offsetof
283
284#ifdef __cplusplus
285};
286#endif
287
288#endif // __TOOLS_H__
_REVERSE_DD
ptrREVERSE_DD _REVERSE_DD
Definition: misc.h:83
_MOV_DD_SWP
ptrMOV_DD_SWP _MOV_DD_SWP
Definition: misc.h:20
_REVERSE_DW
void __fastcall _REVERSE_DW(void *a)
_MOV_DW_SWP
void __fastcall _MOV_DW_SWP(void *a, void *b)
_MOV_MSF
void __fastcall _MOV_MSF(void *a, void *b)
_MOV_MSF_SWP
ptrMOV_MSF_SWP _MOV_MSF_SWP
Definition: misc.h:151
_MOV_DW2DD_SWP
void __fastcall _MOV_DW2DD_SWP(void *a, void *b)
_XCHG_DD
void __fastcall _XCHG_DD(void *a, void *b)
PFOUR_BYTE
struct _FOUR_BYTE * PFOUR_BYTE
FOUR_BYTE
struct _FOUR_BYTE FOUR_BYTE
b
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
a
GLboolean GLboolean GLboolean GLboolean a
Definition: glext.h:6204
__fastcall
#define __fastcall
Definition: sync.c:38
_FOUR_BYTE
Definition: tools.h:15
_FOUR_BYTE::Byte0
UCHAR Byte0
Definition: tools.h:16
_FOUR_BYTE::Byte1
UCHAR Byte1
Definition: tools.h:17
_FOUR_BYTE::Byte2
UCHAR Byte2
Definition: tools.h:18
_FOUR_BYTE::Byte3
UCHAR Byte3
Definition: tools.h:19
UCHAR
unsigned char UCHAR
Definition: xmlstorage.h:181