Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

drivers/filesystems/udfs/Include/tools.cpp

@@ -0,0 +1,166 @@
+////////////////////////////////////////////////////////////////////
+// Copyright (C) Alexander Telyatnikov, Ivan Keliukh, Yegor Anchishkin, SKIF Software, 1999-2013. Kiev, Ukraine
+// All rights reserved
+// This file was released under the GPLv2 on June 2015.
+////////////////////////////////////////////////////////////////////
+/*
+Module Name:
+
+    tools.cpp
+
+Abstract:
+
+    This module contains some useful functions for data manipulation.
+
+Environment:
+
+ */
+///////////////////////////////////////////////////////////////////////////////
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//----------------
+
+#include "tools.h"
+
+//----------------
+
+#ifdef _X86_
+
+__declspec (naked)
+void
+__fastcall
+_MOV_DD_SWP(
+    void* a, // ECX
+    void* b  // EDX
+    )
+{
+  _asm {
+    mov   eax,[edx]
+    bswap eax
+    mov   [ecx],eax
+    ret
+  }
+}
+
+__declspec (naked)
+void
+__fastcall
+_MOV_DW_SWP(
+    void* a, // ECX
+    void* b  // EDX
+    )
+{
+  _asm {
+    mov   ax,[edx]
+    rol   ax,8
+    mov   [ecx],ax
+    ret
+  }
+}
+
+__declspec (naked)
+void
+__fastcall
+_REVERSE_DD(
+    void* a  // ECX
+    )
+{
+  _asm {
+    mov   eax,[ecx]
+    bswap eax
+    mov   [ecx],eax
+    ret
+  }
+}
+
+__declspec (naked)
+void
+__fastcall
+_REVERSE_DW(
+    void* a  // ECX
+    )
+{
+  _asm {
+    mov   ax,[ecx]
+    rol   ax,8
+    mov   [ecx],ax
+    ret
+  }
+}
+
+__declspec (naked)
+void
+__fastcall
+_MOV_DW2DD_SWP(
+    void* a, // ECX
+    void* b  // EDX
+    )
+{
+  _asm {
+    mov   ax,[edx]
+    rol   ax,8
+    mov   [ecx+2],ax
+    mov   [ecx],0
+    ret
+  }
+}
+
+__declspec (naked)
+void
+__fastcall
+_MOV_MSF(
+    void* a, // ECX
+    void* b  // EDX
+    )
+{
+  _asm {
+    mov   eax,[edx]
+    mov   [ecx],ax
+    shr   eax,16
+    mov   [ecx+2],al
+    ret
+  }
+}
+
+__declspec (naked)
+void
+__fastcall
+_MOV_MSF_SWP(
+    void* a, // ECX
+    void* b  // EDX
+    )
+{
+  _asm {
+    mov   eax,[edx]
+    mov   [ecx+2],al
+    bswap eax
+    shr   eax,8
+    mov   [ecx],ax
+    ret
+  }
+}
+
+__declspec (naked)
+void
+__fastcall
+_XCHG_DD(
+    void* a, // ECX
+    void* b  // EDX
+    )
+{
+  _asm {
+    mov   eax,[edx]
+    xchg  eax,[ecx]
+    mov   [edx],eax
+    ret
+  }
+}
+
+#endif _X86_
+
+#ifdef __cplusplus
+};
+#endif