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154 lines
5 KiB
C
154 lines
5 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 "toolhelp.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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* 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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/* 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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