2 * Kernel initialization code
8 #include "wine/winbase16.h"
14 #include "selectors.h"
18 extern void CODEPAGE_Init(void);
19 extern BOOL THUNK_Init(void);
22 /***********************************************************************
23 * KERNEL process initialisation routine
25 static BOOL process_attach(void)
28 STARTUPINFOA startup_info;
29 UINT cmdShow = 1; /* SW_SHOWNORMAL but we don't want to include winuser.h here */
31 /* Setup codepage info */
34 /* Initialize thunking */
35 if (!THUNK_Init()) return FALSE;
37 /* Initialize DOS memory */
38 if (!DOSMEM_Init(0)) return FALSE;
40 if ((hModule = LoadLibrary16( "krnl386.exe" )) < 32) return FALSE;
42 /* Initialize special KERNEL entry points */
44 /* Initialize KERNEL.178 (__WINFLAGS) with the correct flags value */
45 NE_SetEntryPoint( hModule, 178, GetWinFlags16() );
47 /* Initialize KERNEL.454/455 (__FLATCS/__FLATDS) */
48 NE_SetEntryPoint( hModule, 454, __get_cs() );
49 NE_SetEntryPoint( hModule, 455, __get_ds() );
51 /* Initialize KERNEL.THHOOK */
52 TASK_InstallTHHook((THHOOK *)PTR_SEG_TO_LIN((SEGPTR)NE_GetEntryPoint( hModule, 332 )));
54 /* Initialize the real-mode selector entry points */
55 #define SET_ENTRY_POINT( num, addr ) \
56 NE_SetEntryPoint( hModule, (num), GLOBAL_CreateBlock( GMEM_FIXED, \
57 DOSMEM_MapDosToLinear(addr), 0x10000, hModule, \
58 FALSE, FALSE, FALSE ))
60 SET_ENTRY_POINT( 183, 0x00000 ); /* KERNEL.183: __0000H */
61 SET_ENTRY_POINT( 174, 0xa0000 ); /* KERNEL.174: __A000H */
62 SET_ENTRY_POINT( 181, 0xb0000 ); /* KERNEL.181: __B000H */
63 SET_ENTRY_POINT( 182, 0xb8000 ); /* KERNEL.182: __B800H */
64 SET_ENTRY_POINT( 195, 0xc0000 ); /* KERNEL.195: __C000H */
65 SET_ENTRY_POINT( 179, 0xd0000 ); /* KERNEL.179: __D000H */
66 SET_ENTRY_POINT( 190, 0xe0000 ); /* KERNEL.190: __E000H */
67 NE_SetEntryPoint( hModule, 173, DOSMEM_BiosSysSeg ); /* KERNEL.173: __ROMBIOS */
68 NE_SetEntryPoint( hModule, 193, DOSMEM_BiosDataSeg ); /* KERNEL.193: __0040H */
69 NE_SetEntryPoint( hModule, 194, DOSMEM_BiosSysSeg ); /* KERNEL.194: __F000H */
70 #undef SET_ENTRY_POINT
72 /* Force loading of some dlls */
73 if (LoadLibrary16( "system" ) < 32) return FALSE;
74 if (LoadLibrary16( "wprocs" ) < 32) return FALSE;
76 /* Initialize communications */
79 /* Read DOS config.sys */
80 if (!DOSCONF_ReadConfig()) return FALSE;
82 /* Create 16-bit task */
83 GetStartupInfoA( &startup_info );
84 if (startup_info.dwFlags & STARTF_USESHOWWINDOW) cmdShow = startup_info.wShowWindow;
85 if (!TASK_Create( (NE_MODULE *)GlobalLock16( MapHModuleLS(GetModuleHandleA(0)) ),
86 cmdShow, NtCurrentTeb(), NULL, 0 ))
92 /***********************************************************************
93 * KERNEL initialisation routine
95 BOOL WINAPI MAIN_KernelInit( HINSTANCE hinst, DWORD reason, LPVOID reserved )
99 case DLL_PROCESS_ATTACH:
100 return process_attach();
101 case DLL_PROCESS_DETACH:
102 WriteOutProfiles16();
108 /***********************************************************************
111 * Entry point for kernel functions that do nothing.
113 LONG WINAPI KERNEL_nop(void) { return 0; }