420 lines
12 KiB
C
420 lines
12 KiB
C
/*
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* 16-bit kernel initialization code
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*
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* Copyright 2000 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "wownt32.h"
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#include "kernel_private.h"
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#include "kernel16_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(module);
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/**************************************************************************
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* DllEntryPoint (KERNEL.669)
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*/
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BOOL WINAPI KERNEL_DllEntryPoint( DWORD reasion, HINSTANCE16 inst, WORD ds,
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WORD heap, DWORD reserved1, WORD reserved2 )
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{
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static int done;
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/* the entry point can be called multiple times */
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if (done) return TRUE;
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done = 1;
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/* Initialize 16-bit thunking entry points */
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if (!WOWTHUNK_Init()) return FALSE;
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/* Initialize DOS memory */
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if (!DOSMEM_Init()) return FALSE;
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/* Initialize special KERNEL entry points */
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NE_SetEntryPoint( inst, 178, GetWinFlags16() );
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NE_SetEntryPoint( inst, 454, wine_get_cs() );
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NE_SetEntryPoint( inst, 455, wine_get_ds() );
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NE_SetEntryPoint( inst, 183, DOSMEM_0000H ); /* KERNEL.183: __0000H */
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NE_SetEntryPoint( inst, 173, DOSMEM_BiosSysSeg ); /* KERNEL.173: __ROMBIOS */
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NE_SetEntryPoint( inst, 193, DOSMEM_BiosDataSeg ); /* KERNEL.193: __0040H */
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NE_SetEntryPoint( inst, 194, DOSMEM_BiosSysSeg ); /* KERNEL.194: __F000H */
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/* Initialize KERNEL.THHOOK */
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TASK_InstallTHHook(MapSL((SEGPTR)GetProcAddress16( inst, (LPCSTR)332 )));
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/* Initialize the real-mode selector entry points */
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#define SET_ENTRY_POINT( num, addr ) \
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NE_SetEntryPoint( inst, (num), GLOBAL_CreateBlock( GMEM_FIXED, \
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DOSMEM_MapDosToLinear(addr), 0x10000, inst, \
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WINE_LDT_FLAGS_DATA ))
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SET_ENTRY_POINT( 174, 0xa0000 ); /* KERNEL.174: __A000H */
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SET_ENTRY_POINT( 181, 0xb0000 ); /* KERNEL.181: __B000H */
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SET_ENTRY_POINT( 182, 0xb8000 ); /* KERNEL.182: __B800H */
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SET_ENTRY_POINT( 195, 0xc0000 ); /* KERNEL.195: __C000H */
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SET_ENTRY_POINT( 179, 0xd0000 ); /* KERNEL.179: __D000H */
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SET_ENTRY_POINT( 190, 0xe0000 ); /* KERNEL.190: __E000H */
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#undef SET_ENTRY_POINT
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/* Force loading of some dlls */
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LoadLibrary16( "system.drv" );
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return TRUE;
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}
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/***********************************************************************
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* Reserved1 (KERNEL.77)
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*/
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SEGPTR WINAPI KERNEL_AnsiNext16(SEGPTR current)
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{
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return (*(char *)MapSL(current)) ? current + 1 : current;
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}
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/***********************************************************************
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* Reserved2(KERNEL.78)
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*/
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SEGPTR WINAPI KERNEL_AnsiPrev16( SEGPTR start, SEGPTR current )
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{
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return (current==start)?start:current-1;
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}
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/***********************************************************************
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* Reserved3 (KERNEL.79)
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*/
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SEGPTR WINAPI KERNEL_AnsiUpper16( SEGPTR strOrChar )
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{
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/* uppercase only one char if strOrChar < 0x10000 */
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if (HIWORD(strOrChar))
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{
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char *s = MapSL(strOrChar);
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while (*s)
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{
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*s = toupper(*s);
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s++;
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}
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return strOrChar;
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}
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else return toupper((char)strOrChar);
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}
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/***********************************************************************
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* Reserved4 (KERNEL.80)
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*/
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SEGPTR WINAPI KERNEL_AnsiLower16( SEGPTR strOrChar )
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{
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/* lowercase only one char if strOrChar < 0x10000 */
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if (HIWORD(strOrChar))
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{
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char *s = MapSL(strOrChar);
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while (*s)
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{
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*s = tolower(*s);
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s++;
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}
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return strOrChar;
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}
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else return tolower((char)strOrChar);
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}
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/***********************************************************************
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* Reserved5 (KERNEL.87)
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*/
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INT16 WINAPI KERNEL_lstrcmp16( LPCSTR str1, LPCSTR str2 )
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{
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return (INT16)strcmp( str1, str2 );
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}
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/***********************************************************************
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* lstrcpy (KERNEL.88)
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*/
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SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
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{
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if (!lstrcpyA( MapSL(dst), src )) dst = 0;
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return dst;
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}
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/***********************************************************************
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* lstrcat (KERNEL.89)
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*/
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SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
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{
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/* Windows does not check for NULL pointers here, so we don't either */
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strcat( MapSL(dst), src );
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return dst;
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}
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/***********************************************************************
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* lstrlen (KERNEL.90)
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*/
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INT16 WINAPI lstrlen16( LPCSTR str )
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{
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return (INT16)lstrlenA( str );
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}
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/***********************************************************************
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* OutputDebugString (KERNEL.115)
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*/
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void WINAPI OutputDebugString16( LPCSTR str )
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{
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OutputDebugStringA( str );
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}
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/***********************************************************************
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* DebugBreak (KERNEL.203)
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*/
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void WINAPI DebugBreak16( CONTEXT *context )
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{
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EXCEPTION_RECORD rec;
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rec.ExceptionCode = EXCEPTION_BREAKPOINT;
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rec.ExceptionFlags = 0;
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rec.ExceptionRecord = NULL;
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rec.ExceptionAddress = (LPVOID)context->Eip;
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rec.NumberParameters = 0;
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NtRaiseException( &rec, context, TRUE );
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}
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/***********************************************************************
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* hmemcpy (KERNEL.348)
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*/
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void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
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{
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memcpy( dst, src, count );
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}
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/***********************************************************************
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* lstrcpyn (KERNEL.353)
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*/
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SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
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{
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lstrcpynA( MapSL(dst), src, n );
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return dst;
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}
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/***********************************************************************
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* lstrcatn (KERNEL.352)
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*/
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SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
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{
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LPSTR p = MapSL(dst);
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LPSTR start = p;
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while (*p) p++;
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if ((n -= (p - start)) <= 0) return dst;
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lstrcpynA( p, src, n );
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return dst;
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}
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/***********************************************************************
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* UnicodeToAnsi (KERNEL.434)
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*/
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INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
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{
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if ( codepage == -1 ) codepage = CP_ACP;
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return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );
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}
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/***********************************************************************
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* VWin32_EventCreate (KERNEL.442)
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*/
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HANDLE WINAPI VWin32_EventCreate(VOID)
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{
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HANDLE hEvent = CreateEventW( NULL, FALSE, 0, NULL );
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return ConvertToGlobalHandle( hEvent );
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}
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/***********************************************************************
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* VWin32_EventDestroy (KERNEL.443)
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*/
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VOID WINAPI VWin32_EventDestroy(HANDLE event)
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{
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CloseHandle( event );
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}
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/***********************************************************************
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* VWin32_EventWait (KERNEL.450)
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*/
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VOID WINAPI VWin32_EventWait(HANDLE event)
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{
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DWORD mutex_count;
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ReleaseThunkLock( &mutex_count );
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WaitForSingleObject( event, INFINITE );
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RestoreThunkLock( mutex_count );
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}
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/***********************************************************************
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* VWin32_EventSet (KERNEL.451)
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* KERNEL_479 (KERNEL.479)
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*/
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VOID WINAPI VWin32_EventSet(HANDLE event)
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{
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SetEvent( event );
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}
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/***********************************************************************
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* CreateW32Event (KERNEL.457)
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*/
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HANDLE WINAPI CreateW32Event( BOOL manual_reset, BOOL initial_state )
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{
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return CreateEventW( NULL, manual_reset, initial_state, NULL );
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}
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/***********************************************************************
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* SetW32Event (KERNEL.458)
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*/
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BOOL WINAPI SetW32Event( HANDLE handle )
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{
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return SetEvent( handle );
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}
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/***********************************************************************
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* ResetW32Event (KERNEL.459)
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*/
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BOOL WINAPI ResetW32Event( HANDLE handle )
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{
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return ResetEvent( handle );
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}
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/***********************************************************************
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* WaitForSingleObject (KERNEL.460)
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*/
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DWORD WINAPI WaitForSingleObject16( HANDLE handle, DWORD timeout )
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{
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DWORD retval, mutex_count;
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ReleaseThunkLock( &mutex_count );
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retval = WaitForSingleObject( handle, timeout );
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RestoreThunkLock( mutex_count );
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return retval;
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}
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/***********************************************************************
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* WaitForMultipleObjects (KERNEL.461)
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*/
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DWORD WINAPI WaitForMultipleObjects16( DWORD count, const HANDLE *handles,
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BOOL wait_all, DWORD timeout )
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{
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DWORD retval, mutex_count;
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ReleaseThunkLock( &mutex_count );
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retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
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RestoreThunkLock( mutex_count );
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return retval;
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}
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/***********************************************************************
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* WaitForMultipleObjectsEx (KERNEL.495)
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*/
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DWORD WINAPI WaitForMultipleObjectsEx16( DWORD count, const HANDLE *handles,
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BOOL wait_all, DWORD timeout, BOOL alertable )
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{
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DWORD retval, mutex_count;
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ReleaseThunkLock( &mutex_count );
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retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, alertable );
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RestoreThunkLock( mutex_count );
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return retval;
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}
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/***********************************************************************
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* EnableDos (KERNEL.41)
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* DisableDos (KERNEL.42)
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* GetLastDiskChange (KERNEL.98)
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* ValidateCodeSegments (KERNEL.100)
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* KbdRst (KERNEL.123)
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* EnableKernel (KERNEL.124)
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* DisableKernel (KERNEL.125)
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* ValidateFreeSpaces (KERNEL.200)
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* K237 (KERNEL.237)
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* BUNNY_351 (KERNEL.351)
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* PIGLET_361 (KERNEL.361)
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*
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* Entry point for kernel functions that do nothing.
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*/
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LONG WINAPI KERNEL_nop(void)
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{
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return 0;
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}
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/***********************************************************************
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* ToolHelpHook (KERNEL.341)
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* see "Undocumented Windows"
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*/
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FARPROC16 WINAPI ToolHelpHook16(FARPROC16 func)
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{
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static FARPROC16 hook;
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FIXME("(%p), stub.\n", func);
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return InterlockedExchangePointer( (void **)&hook, func );
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}
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/* thunk for 16-bit CreateThread */
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struct thread_args
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{
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FARPROC16 proc;
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DWORD param;
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};
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static DWORD CALLBACK start_thread16( LPVOID threadArgs )
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{
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struct thread_args args = *(struct thread_args *)threadArgs;
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HeapFree( GetProcessHeap(), 0, threadArgs );
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return K32WOWCallback16( (DWORD)args.proc, args.param );
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}
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/***********************************************************************
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* CreateThread16 (KERNEL.441)
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*/
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HANDLE WINAPI CreateThread16( SECURITY_ATTRIBUTES *sa, DWORD stack,
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FARPROC16 start, SEGPTR param,
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DWORD flags, LPDWORD id )
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{
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struct thread_args *args = HeapAlloc( GetProcessHeap(), 0, sizeof(*args) );
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if (!args) return INVALID_HANDLE_VALUE;
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args->proc = start;
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args->param = param;
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return CreateThread( sa, stack, start_thread16, args, flags, id );
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}
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/***********************************************************************
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* _DebugOutput (KERNEL.328)
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*/
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void WINAPIV _DebugOutput( WORD flags, LPCSTR spec, VA_LIST16 valist )
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{
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char caller[101];
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/* Decode caller address */
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if (!GetModuleName16( GetExePtr(CURRENT_STACK16->cs), caller, sizeof(caller) ))
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sprintf( caller, "%04X:%04X", CURRENT_STACK16->cs, CURRENT_STACK16->ip );
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/* FIXME: cannot use wvsnprintf16 from kernel */
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/* wvsnprintf16( temp, sizeof(temp), spec, valist ); */
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/* Output */
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FIXME("%s %04x %s\n", caller, flags, debugstr_a(spec) );
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}
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