mirror of
https://github.com/reactos/reactos.git
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289 lines
7.8 KiB
C
289 lines
7.8 KiB
C
////////////////////////////////////////////////////////////////////
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// Copyright (C) Alexander Telyatnikov, Ivan Keliukh, Yegor Anchishkin, SKIF Software, 1999-2013. Kiev, Ukraine
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// All rights reserved
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// This file was released under the GPLv2 on June 2015.
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////////////////////////////////////////////////////////////////////
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#ifndef __TOOLS_H__
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#define __TOOLS_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef __CROSSNT_MISC__H__
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typedef struct _FOUR_BYTE {
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UCHAR Byte0;
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UCHAR Byte1;
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UCHAR Byte2;
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UCHAR Byte3;
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} FOUR_BYTE, *PFOUR_BYTE;
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#if defined _X86_ && defined __CROSS_VERSION_LIB_NT__H__
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#define AcquireXLock(gLock, oldValue, newValue) \
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{ \
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PULONG _gLock_ = &(gLock); \
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__asm push ebx \
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__asm mov eax,newValue \
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__asm mov ebx,_gLock_ \
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__asm xchg eax,[ebx] \
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__asm mov oldValue,eax \
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__asm pop ebx \
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}
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void
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__fastcall
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_MOV_DD_SWP(
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void* a, // ECX
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void* b // EDX
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);
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#define MOV_DD_SWP(a,b) _MOV_DD_SWP(&(a),&(b))
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/*#define MOV_DD_SWP(a,b) \
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{ \
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PFOUR_BYTE _from_, _to_; \
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_from_ = ((PFOUR_BYTE)&(b)); \
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_to_ = ((PFOUR_BYTE)&(a)); \
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__asm mov ebx,_from_ \
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__asm mov eax,[ebx] \
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__asm bswap eax \
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__asm mov ebx,_to_ \
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__asm mov [ebx],eax \
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}*/
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void
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__fastcall
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_MOV_DW_SWP(
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void* a, // ECX
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void* b // EDX
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);
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#define MOV_DW_SWP(a,b) _MOV_DW_SWP(&(a),&(b))
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/*#define MOV_DW_SWP(a,b) \
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{ \
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PFOUR_BYTE _from_, _to_; \
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_from_ = ((PFOUR_BYTE)&(b)); \
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_to_ = ((PFOUR_BYTE)&(a)); \
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__asm push ebx \
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__asm mov ebx,_from_ \
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__asm mov ax,[ebx] \
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__asm rol ax,8 \
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__asm mov ebx,_to_ \
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__asm mov [ebx],ax \
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__asm pop ebx \
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}*/
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void
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__fastcall
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_REVERSE_DD(
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void* a // ECX
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);
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#define REVERSE_DD(a) _REVERSE_DD(&(a))
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/*#define REVERSE_DD(a) { \
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PFOUR_BYTE _from_; \
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_from_ = ((PFOUR_BYTE)&(a)); \
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__asm mov ebx,_from_ \
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__asm mov eax,[ebx] \
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__asm bswap eax \
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__asm mov [ebx],eax \
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}*/
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void
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__fastcall
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_REVERSE_DW(
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void* a // ECX
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);
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#define REVERSE_DW(a) _REVERSE_DW(&(a))
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/*#define REVERSE_DW(a) { \
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PFOUR_BYTE _from_; \
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_from_ = ((PFOUR_BYTE)&(a)); \
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__asm mov eax,_from_ \
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__asm rol word ptr [eax],8 \
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}*/
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void
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__fastcall
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_MOV_DW2DD_SWP(
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void* a, // ECX
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void* b // EDX
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);
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#define MOV_DW2DD_SWP(a,b) _MOV_DW2DD_SWP(&(a),&(b))
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/*#define MOV_DW2DD_SWP(a,b) \
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{ \
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PFOUR_BYTE _from_, _to_; \
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_from_ = ((PFOUR_BYTE)&(b)); \
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_to_ = ((PFOUR_BYTE)&(a)); \
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__asm mov ebx,_from_ \
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__asm mov ax,[ebx] \
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__asm rol ax,8 \
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__asm mov ebx,_to_ \
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__asm mov [ebx+2],ax \
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__asm mov [ebx],0 \
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}*/
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void
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__fastcall
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_MOV_MSF(
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void* a, // ECX
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void* b // EDX
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);
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#define MOV_MSF(a,b) _MOV_MSF(&(a),&(b))
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/*#define MOV_MSF(a,b) \
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{ \
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PFOUR_BYTE _from_, _to_; \
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_from_ = ((PFOUR_BYTE)&(b)); \
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_to_ = ((PFOUR_BYTE)&(a)); \
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__asm mov ebx,_from_ \
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__asm mov eax,[ebx] \
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__asm mov ebx,_to_ \
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__asm mov [ebx],ax \
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__asm shr eax,16 \
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__asm mov [ebx+2],al \
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}*/
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void
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__fastcall
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_MOV_MSF_SWP(
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void* a, // ECX
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void* b // EDX
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);
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#define MOV_MSF_SWP(a,b) _MOV_MSF_SWP(&(a),&(b))
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/*#define MOV_MSF_SWP(a,b) \
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{ \
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PFOUR_BYTE _from_, _to_; \
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_from_ = ((PFOUR_BYTE)&(b)); \
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_to_ = ((PFOUR_BYTE)&(a)); \
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__asm mov ebx,_from_ \
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__asm mov eax,[ebx] \
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__asm mov ebx,_to_ \
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__asm mov [ebx+2],al \
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__asm bswap eax \
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__asm shr eax,8 \
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__asm mov [ebx],ax \
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}*/
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void
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__fastcall
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_XCHG_DD(
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void* a, // ECX
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void* b // EDX
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);
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#define XCHG_DD(a,b) _XCHG_DD(&(a),&(b))
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/*#define XCHG_DD(a,b) \
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{ \
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PULONG _from_, _to_; \
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_from_ = ((PULONG)&(b)); \
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_to_ = ((PULONG)&(a)); \
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__asm mov ebx,_from_ \
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__asm mov ecx,_to_ \
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__asm mov eax,[ebx] \
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__asm xchg eax,[ecx] \
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__asm mov [ebx],eax \
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}*/
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#else // NO X86 optimization , use generic C/C++
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#define AcquireXLock(gLock, oldValue, newValue) \
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{ \
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oldValue = gLock; \
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gLock = newValue; \
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}
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#define MOV_DD_SWP(a,b) \
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{ \
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PFOUR_BYTE _from_, _to_; \
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_from_ = ((PFOUR_BYTE)&(b)); \
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_to_ = ((PFOUR_BYTE)&(a)); \
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_to_->Byte0 = _from_->Byte3; \
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_to_->Byte1 = _from_->Byte2; \
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_to_->Byte2 = _from_->Byte1; \
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_to_->Byte3 = _from_->Byte0; \
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}
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#define MOV_DW_SWP(a,b) \
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{ \
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PFOUR_BYTE _from_, _to_; \
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_from_ = ((PFOUR_BYTE)&(b)); \
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_to_ = ((PFOUR_BYTE)&(a)); \
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_to_->Byte0 = _from_->Byte1; \
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_to_->Byte1 = _from_->Byte0; \
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}
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#define REVERSE_DD(a) { \
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ULONG _i_; \
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MOV_DD_SWP(_i_,(a)); \
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*((PULONG)&(a)) = _i_; \
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}
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#define REVERSE_DW(a) { \
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USHORT _i_; \
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MOV_DW_SWP(_i_,(a)); \
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*((PUSHORT)&(a)) = _i_; \
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}
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#define MOV_DW2DD_SWP(a,b) \
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{ \
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PFOUR_BYTE _from_, _to_; \
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_from_ = ((PFOUR_BYTE)&(b)); \
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_to_ = ((PFOUR_BYTE)&(a)); \
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*((PUSHORT)_to_) = 0; \
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_to_->Byte2 = _from_->Byte1; \
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_to_->Byte3 = _from_->Byte0; \
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}
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#define MOV_MSF(a,b) \
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{ \
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PFOUR_BYTE _from_, _to_; \
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_from_ = ((PFOUR_BYTE)&(b)); \
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_to_ = ((PFOUR_BYTE)&(a)); \
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_to_->Byte0 = _from_->Byte0; \
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_to_->Byte1 = _from_->Byte1; \
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_to_->Byte2 = _from_->Byte2; \
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}
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#define MOV_MSF_SWP(a,b) \
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{ \
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PFOUR_BYTE _from_, _to_; \
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_from_ = ((PFOUR_BYTE)&(b)); \
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_to_ = ((PFOUR_BYTE)&(a)); \
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_to_->Byte0 = _from_->Byte2; \
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_to_->Byte1 = _from_->Byte1; \
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_to_->Byte2 = _from_->Byte0; \
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}
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#define XCHG_DD(a,b) \
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{ \
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ULONG _temp_; \
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PULONG _from_, _to_; \
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_from_ = ((PULONG)&(b)); \
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_to_ = ((PULONG)&(a)); \
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_temp_ = *_from_; \
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*_from_ = *_to_; \
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*_to_ = _temp_; \
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}
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#endif // _X86_
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#endif // __CROSSNT_MISC__H__
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#define CONV_TO_LL(a) a.Byte0 | a.Byte1 << 8 | a.Byte2 << 16 | a.Byte3 << 8
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#define MSF_TO_LBA(Minutes,Seconds,Frames) \
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(ULONG)((60 * 75 * (Minutes)) + (75 * (Seconds)) + ((Frames) - 150))
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#define PacketFixed2Variable(x,ps) ( ( ( (x) / (ps) ) * (ps+7) ) + ( (x) & (ps-1) ) )
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#define PacketVariable2Fixed(x,ps) ( ( ( (x) / (ps+7) ) * (ps) ) + ( (((x) % (ps+7)) < (ps)) ? ((x) % (ps+7)) : (ps-1) ) )
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#define WAIT_FOR_XXX_EMU_DELAY 1000LL // 0.0001 s
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#ifndef offsetof
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#define offsetof(type, field) (ULONG)&(((type *)0)->field)
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#endif //offsetof
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#ifdef __cplusplus
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};
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#endif
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#endif // __TOOLS_H__
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