wine/dlls/kernel/kernel_main.c
2001-07-24 20:49:41 +00:00

126 lines
3.5 KiB
C

/*
* Kernel initialization code
*/
#include "config.h"
#include <assert.h>
#include <ctype.h>
#include <string.h>
#include "winbase.h"
#include "wine/winbase16.h"
#include "callback.h"
#include "global.h"
#include "miscemu.h"
#include "module.h"
#include "task.h"
extern void CODEPAGE_Init(void);
extern BOOL RELAY_Init(void);
extern BOOL THUNK_Init(void);
/***********************************************************************
* KERNEL process initialisation routine
*/
static BOOL process_attach(void)
{
HMODULE16 hModule;
/* Setup codepage info */
CODEPAGE_Init();
/* Initialize relay entry points */
if (!RELAY_Init()) return FALSE;
/* Initialize thunking */
if (!THUNK_Init()) return FALSE;
/* Initialize DOS memory */
if (!DOSMEM_Init(0)) return FALSE;
if ((hModule = LoadLibrary16( "krnl386.exe" )) < 32) return FALSE;
/* Initialize special KERNEL entry points */
/* Initialize KERNEL.178 (__WINFLAGS) with the correct flags value */
NE_SetEntryPoint( hModule, 178, GetWinFlags16() );
/* Initialize KERNEL.454/455 (__FLATCS/__FLATDS) */
NE_SetEntryPoint( hModule, 454, __get_cs() );
NE_SetEntryPoint( hModule, 455, __get_ds() );
/* Initialize KERNEL.THHOOK */
TASK_InstallTHHook(MapSL((SEGPTR)GetProcAddress16( hModule, (LPCSTR)332 )));
/* Initialize the real-mode selector entry points */
#define SET_ENTRY_POINT( num, addr ) \
NE_SetEntryPoint( hModule, (num), GLOBAL_CreateBlock( GMEM_FIXED, \
DOSMEM_MapDosToLinear(addr), 0x10000, hModule, \
WINE_LDT_FLAGS_DATA ))
SET_ENTRY_POINT( 174, 0xa0000 ); /* KERNEL.174: __A000H */
SET_ENTRY_POINT( 181, 0xb0000 ); /* KERNEL.181: __B000H */
SET_ENTRY_POINT( 182, 0xb8000 ); /* KERNEL.182: __B800H */
SET_ENTRY_POINT( 195, 0xc0000 ); /* KERNEL.195: __C000H */
SET_ENTRY_POINT( 179, 0xd0000 ); /* KERNEL.179: __D000H */
SET_ENTRY_POINT( 190, 0xe0000 ); /* KERNEL.190: __E000H */
NE_SetEntryPoint( hModule, 183, DOSMEM_0000H ); /* KERNEL.183: __0000H */
NE_SetEntryPoint( hModule, 173, DOSMEM_BiosSysSeg ); /* KERNEL.173: __ROMBIOS */
NE_SetEntryPoint( hModule, 193, DOSMEM_BiosDataSeg ); /* KERNEL.193: __0040H */
NE_SetEntryPoint( hModule, 194, DOSMEM_BiosSysSeg ); /* KERNEL.194: __F000H */
#undef SET_ENTRY_POINT
/* Force loading of some dlls */
if (LoadLibrary16( "system" ) < 32) return FALSE;
/* Read DOS config.sys */
if (!DOSCONF_ReadConfig()) return FALSE;
/* Create 16-bit task */
TASK_CreateMainTask();
/* Create the shared heap for broken win95 native dlls */
HeapCreate( HEAP_SHARED, 0, 0 );
return TRUE;
}
/***********************************************************************
* KERNEL initialisation routine
*/
BOOL WINAPI MAIN_KernelInit( HINSTANCE hinst, DWORD reason, LPVOID reserved )
{
switch(reason)
{
case DLL_PROCESS_ATTACH:
return process_attach();
case DLL_PROCESS_DETACH:
WriteOutProfiles16();
break;
}
return TRUE;
}
/***********************************************************************
* EnableDos (KERNEL.41)
* DisableDos (KERNEL.42)
* GetLastDiskChange (KERNEL.98)
* ValidateCodeSegments (KERNEL.100)
* KbdRst (KERNEL.123)
* EnableKernel (KERNEL.124)
* DisableKernel (KERNEL.125)
* ValidateFreeSpaces (KERNEL.200)
* K237 (KERNEL.237)
* BUNNY_351 (KERNEL.351)
* PIGLET_361 (KERNEL.361)
*
* Entry point for kernel functions that do nothing.
*/
LONG WINAPI KERNEL_nop(void)
{
return 0;
}