Sweden-Number/dlls/kernel/kernel_main.c

162 lines
4.6 KiB
C

/*
* Kernel initialization code
*/
#include <assert.h>
#include <ctype.h>
#include "winbase.h"
#include "wine/winbase16.h"
#include "neexe.h"
#include "module.h"
#include "task.h"
#include "selectors.h"
#include "miscemu.h"
#include "global.h"
extern void CODEPAGE_Init(void);
extern BOOL THUNK_Init(void);
extern void COMM_Init(void);
/***********************************************************************
* KERNEL process initialisation routine
*/
static BOOL process_attach(void)
{
HMODULE16 hModule;
STARTUPINFOA startup_info;
UINT cmdShow = 1; /* SW_SHOWNORMAL but we don't want to include winuser.h here */
/* Setup codepage info */
CODEPAGE_Init();
/* 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((THHOOK *)PTR_SEG_TO_LIN((SEGPTR)NE_GetEntryPoint( hModule, 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, \
FALSE, FALSE, FALSE ))
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;
if (LoadLibrary16( "wprocs" ) < 32) return FALSE;
/* Initialize communications */
COMM_Init();
/* Read DOS config.sys */
if (!DOSCONF_ReadConfig()) return FALSE;
/* Create 16-bit task */
GetStartupInfoA( &startup_info );
if (startup_info.dwFlags & STARTF_USESHOWWINDOW) cmdShow = startup_info.wShowWindow;
if (!TASK_Create( (NE_MODULE *)GlobalLock16( MapHModuleLS(GetModuleHandleA(0)) ),
cmdShow, NtCurrentTeb(), NULL, 0 ))
return FALSE;
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;
}
/***********************************************************************
* KERNEL_nop
*
* Entry point for kernel functions that do nothing.
*/
LONG WINAPI KERNEL_nop(void) { return 0; }
/***************************************************************************
*
* Win 2.x string functions now moved to USER
*
* We rather want to implement them here instead of doing Callouts
*/
SEGPTR WINAPI KERNEL_AnsiNext16(SEGPTR current)
{
return (*(char *)PTR_SEG_TO_LIN(current)) ? current + 1 : current;
}
SEGPTR WINAPI KERNEL_AnsiPrev16( SEGPTR start, SEGPTR current )
{
return (current==start)?start:current-1;
}
SEGPTR WINAPI KERNEL_AnsiUpper16( SEGPTR strOrChar )
{
/* uppercase only one char if strOrChar < 0x10000 */
if (HIWORD(strOrChar))
{
char *s = PTR_SEG_TO_LIN(strOrChar);
while (*s) {
*s = toupper(*s);
s++;
}
return strOrChar;
}
else return toupper((char)strOrChar);
}
SEGPTR WINAPI KERNEL_AnsiLower16( SEGPTR strOrChar )
{
/* lowercase only one char if strOrChar < 0x10000 */
if (HIWORD(strOrChar))
{
char *s = PTR_SEG_TO_LIN(strOrChar);
while (*s) {
*s = tolower(*s);
s++;
}
return strOrChar;
}
else return tolower((char)strOrChar);
}