dlls/kernel/kernel_main.c

   1 /*
   2  * Kernel initialization code
   3  */
   4
   5 #include <assert.h>
   6 #include <ctype.h>
   7 #include <string.h>
   8
   9 #include "winbase.h"
  10 #include "wine/winbase16.h"
  11
  12 #include "module.h"
  13 #include "task.h"
  14 #include "miscemu.h"
  15 #include "global.h"
  16
  17 extern void CODEPAGE_Init(void);
  18 extern BOOL RELAY_Init(void);
  19 extern BOOL THUNK_Init(void);
  20 extern void COMM_Init(void);
  21
  22
  23 /***********************************************************************
  24  *           KERNEL process initialisation routine
  25  */
  26 static BOOL process_attach(void)
  27 {
  28     HMODULE16 hModule;
  29
  30     /* Setup codepage info */
  31     CODEPAGE_Init();
  32
  33     /* Initialize relay entry points */
  34     if (!RELAY_Init()) return FALSE;
  35
  36     /* Initialize thunking */
  37     if (!THUNK_Init()) return FALSE;
  38
  39     /* Initialize DOS memory */
  40     if (!DOSMEM_Init(0)) return FALSE;
  41
  42     if ((hModule = LoadLibrary16( "krnl386.exe" )) < 32) return FALSE;
  43
  44     /* Initialize special KERNEL entry points */
  45
  46     /* Initialize KERNEL.178 (__WINFLAGS) with the correct flags value */
  47     NE_SetEntryPoint( hModule, 178, GetWinFlags16() );
  48
  49     /* Initialize KERNEL.454/455 (__FLATCS/__FLATDS) */
  50     NE_SetEntryPoint( hModule, 454, __get_cs() );
  51     NE_SetEntryPoint( hModule, 455, __get_ds() );
  52
  53     /* Initialize KERNEL.THHOOK */
  54     TASK_InstallTHHook(MapSL((SEGPTR)GetProcAddress16( hModule, (LPCSTR)332 )));
  55
  56     /* Initialize the real-mode selector entry points */
  57 #define SET_ENTRY_POINT( num, addr ) \
  58     NE_SetEntryPoint( hModule, (num), GLOBAL_CreateBlock( GMEM_FIXED, \
  59                       DOSMEM_MapDosToLinear(addr), 0x10000, hModule, \
  60                       WINE_LDT_FLAGS_DATA ))
  61
  62     SET_ENTRY_POINT( 174, 0xa0000 );  /* KERNEL.174: __A000H */
  63     SET_ENTRY_POINT( 181, 0xb0000 );  /* KERNEL.181: __B000H */
  64     SET_ENTRY_POINT( 182, 0xb8000 );  /* KERNEL.182: __B800H */
  65     SET_ENTRY_POINT( 195, 0xc0000 );  /* KERNEL.195: __C000H */
  66     SET_ENTRY_POINT( 179, 0xd0000 );  /* KERNEL.179: __D000H */
  67     SET_ENTRY_POINT( 190, 0xe0000 );  /* KERNEL.190: __E000H */
  68     NE_SetEntryPoint( hModule, 183, DOSMEM_0000H );       /* KERNEL.183: __0000H */
  69     NE_SetEntryPoint( hModule, 173, DOSMEM_BiosSysSeg );  /* KERNEL.173: __ROMBIOS */
  70     NE_SetEntryPoint( hModule, 193, DOSMEM_BiosDataSeg ); /* KERNEL.193: __0040H */
  71     NE_SetEntryPoint( hModule, 194, DOSMEM_BiosSysSeg );  /* KERNEL.194: __F000H */
  72 #undef SET_ENTRY_POINT
  73
  74     /* Force loading of some dlls */
  75     if (LoadLibrary16( "system" ) < 32) return FALSE;
  76
  77     /* Initialize communications */
  78     COMM_Init();
  79
  80     /* Read DOS config.sys */
  81     if (!DOSCONF_ReadConfig()) return FALSE;
  82
  83     /* Create 16-bit task */
  84     TASK_CreateMainTask();
  85
  86     return TRUE;
  87 }
  88
  89 /***********************************************************************
  90  *           KERNEL initialisation routine
  91  */
  92 BOOL WINAPI MAIN_KernelInit( HINSTANCE hinst, DWORD reason, LPVOID reserved )
  93 {
  94     switch(reason)
  95     {
  96     case DLL_PROCESS_ATTACH:
  97         return process_attach();
  98     case DLL_PROCESS_DETACH:
  99         WriteOutProfiles16();
 100         break;
 101     }
 102     return TRUE;
 103 }
 104
 105 /***********************************************************************
 106  *              KERNEL_nop (KERNEL.361)
 107  *
 108  * Entry point for kernel functions that do nothing.
 109  */
 110 LONG WINAPI KERNEL_nop(void) { return 0; }
 111
 112
 113 /***************************************************************************
 114  *
 115  * Win 2.x string functions now moved to USER
 116  *
 117  * We rather want to implement them here instead of doing Callouts
 118  */
 119
 120 /***********************************************************************
 121  *              KERNEL_AnsiNext16 (KERNEL.77)
 122  */
 123 SEGPTR WINAPI KERNEL_AnsiNext16(SEGPTR current)
 124 {
 125     return (*(char *)MapSL(current)) ? current + 1 : current;
 126 }
 127
 128 /***********************************************************************
 129  *              KERNEL_AnsiPrev16(KERNEL.78)
 130  */
 131 SEGPTR WINAPI KERNEL_AnsiPrev16( SEGPTR start, SEGPTR current )
 132 {
 133     return (current==start)?start:current-1;
 134 }
 135
 136 /***********************************************************************
 137  *              KERNEL_AnsiUpper16 (KERNEL.79)
 138  */
 139 SEGPTR WINAPI KERNEL_AnsiUpper16( SEGPTR strOrChar )
 140 {
 141     /* uppercase only one char if strOrChar < 0x10000 */
 142     if (HIWORD(strOrChar))
 143     {
 144         char *s = MapSL(strOrChar);
 145         while (*s) {
 146             *s = toupper(*s);
 147             s++;
 148         }
 149         return strOrChar;
 150     }
 151     else return toupper((char)strOrChar);
 152 }
 153
 154 /***********************************************************************
 155  *              KERNEL_AnsiLower16 (KERNEL.80)
 156  */
 157 SEGPTR WINAPI KERNEL_AnsiLower16( SEGPTR strOrChar )
 158 {
 159     /* lowercase only one char if strOrChar < 0x10000 */
 160     if (HIWORD(strOrChar))
 161     {
 162         char *s = MapSL(strOrChar);
 163         while (*s) {
 164             *s = tolower(*s);
 165             s++;
 166         }
 167         return strOrChar;
 168     }
 169     else return tolower((char)strOrChar);
 170 }
 171
 172 /***********************************************************************
 173  *              KERNEL_lstrcmp16 (KERNEL.87)
 174  */
 175 INT16 WINAPI KERNEL_lstrcmp16( LPCSTR str1, LPCSTR str2 )
 176 {
 177     return (INT16)strcmp( str1, str2 );
 178 }