/* * 16-bit kernel initialization code * * Copyright 2000 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include "windef.h" #include "winbase.h" #include "winternl.h" #include "wownt32.h" #include "toolhelp.h" #include "kernel_private.h" #include "kernel16_private.h" #include "wine/server.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(module); /************************************************************************** * DllEntryPoint (KERNEL.669) */ BOOL WINAPI KERNEL_DllEntryPoint( DWORD reasion, HINSTANCE16 inst, WORD ds, WORD heap, DWORD reserved1, WORD reserved2 ) { static int done; /* the entry point can be called multiple times */ if (done) return TRUE; done = 1; /* Initialize 16-bit thunking entry points */ if (!WOWTHUNK_Init()) return FALSE; /* Initialize DOS memory */ if (!DOSMEM_Init()) return FALSE; /* Initialize special KERNEL entry points */ NE_SetEntryPoint( inst, 178, GetWinFlags16() ); NE_SetEntryPoint( inst, 454, wine_get_cs() ); NE_SetEntryPoint( inst, 455, wine_get_ds() ); NE_SetEntryPoint( inst, 183, DOSMEM_0000H ); /* KERNEL.183: __0000H */ NE_SetEntryPoint( inst, 173, DOSMEM_BiosSysSeg ); /* KERNEL.173: __ROMBIOS */ NE_SetEntryPoint( inst, 193, DOSMEM_BiosDataSeg ); /* KERNEL.193: __0040H */ NE_SetEntryPoint( inst, 194, DOSMEM_BiosSysSeg ); /* KERNEL.194: __F000H */ /* Initialize KERNEL.THHOOK */ TASK_InstallTHHook(MapSL((SEGPTR)GetProcAddress16( inst, (LPCSTR)332 ))); /* Initialize the real-mode selector entry points */ #define SET_ENTRY_POINT( num, addr ) \ NE_SetEntryPoint( inst, (num), GLOBAL_CreateBlock( GMEM_FIXED, \ DOSMEM_MapDosToLinear(addr), 0x10000, inst, \ 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 */ #undef SET_ENTRY_POINT /* Force loading of some dlls */ LoadLibrary16( "system.drv" ); 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; } /* thunk for 16-bit CreateThread */ struct thread_args { FARPROC16 proc; DWORD param; }; static DWORD CALLBACK start_thread16( LPVOID threadArgs ) { struct thread_args args = *(struct thread_args *)threadArgs; HeapFree( GetProcessHeap(), 0, threadArgs ); return K32WOWCallback16( (DWORD)args.proc, args.param ); } /*********************************************************************** * CreateThread16 (KERNEL.441) */ HANDLE WINAPI CreateThread16( SECURITY_ATTRIBUTES *sa, DWORD stack, FARPROC16 start, SEGPTR param, DWORD flags, LPDWORD id ) { struct thread_args *args = HeapAlloc( GetProcessHeap(), 0, sizeof(*args) ); if (!args) return INVALID_HANDLE_VALUE; args->proc = start; args->param = param; return CreateThread( sa, stack, start_thread16, args, flags, id ); } /*********************************************************************** * wait_input_idle * * user32.WaitForInputIdle releases the win16 lock, so here is a replacement. */ static DWORD wait_input_idle( HANDLE process, DWORD timeout ) { DWORD ret; HANDLE handles[2]; handles[0] = process; SERVER_START_REQ( get_process_idle_event ) { req->handle = wine_server_obj_handle(process); if (!(ret = wine_server_call_err( req ))) handles[1] = wine_server_ptr_handle( reply->event ); } SERVER_END_REQ; if (ret) return WAIT_FAILED; /* error */ if (!handles[1]) return 0; /* no event to wait on */ return WaitForMultipleObjects( 2, handles, FALSE, timeout ); } /************************************************************************** * WINOLDAP entry point */ void WINAPI WINOLDAP_EntryPoint( CONTEXT86 *context ) { PDB16 *psp; INT len; LPSTR cmdline; PROCESS_INFORMATION info; STARTUPINFOA startup; DWORD count, exit_code = 1; InitTask16( context ); TRACE( "(ds=%x es=%x fs=%x gs=%x, bx=%04x cx=%04x di=%04x si=%x)\n", context->SegDs, context->SegEs, context->SegFs, context->SegGs, context->Ebx, context->Ecx, context->Edi, context->Esi ); psp = GlobalLock16( context->SegEs ); len = psp->cmdLine[0]; cmdline = HeapAlloc( GetProcessHeap(), 0, len + 1 ); memcpy( cmdline, psp->cmdLine + 1, len ); cmdline[len] = 0; memset( &startup, 0, sizeof(startup) ); startup.cb = sizeof(startup); if (CreateProcessA( NULL, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &startup, &info )) { /* Give 10 seconds to the app to come up */ if (wait_input_idle( info.hProcess, 10000 ) == WAIT_FAILED) WARN("WaitForInputIdle failed: Error %d\n", GetLastError() ); ReleaseThunkLock( &count ); WaitForSingleObject( info.hProcess, INFINITE ); GetExitCodeProcess( info.hProcess, &exit_code ); CloseHandle( info.hThread ); CloseHandle( info.hProcess ); } else ReleaseThunkLock( &count ); HeapFree( GetProcessHeap(), 0, cmdline ); ExitThread( exit_code ); } /************************************************************************** * WINHELP entry point * * FIXME: should go into winhlp32.exe, but we don't support 16-bit modules in executables yet. */ void WINAPI WINHELP_EntryPoint( CONTEXT86 *context ) { static const WCHAR winhlp32W[] = {'\\','w','i','n','h','l','p','3','2','.','e','x','e',0}; PDB16 *psp; INT len, total; WCHAR *cmdline, *p; PROCESS_INFORMATION info; STARTUPINFOW startup; DWORD count, exit_code = 1; InitTask16( context ); TRACE( "(ds=%x es=%x fs=%x gs=%x, bx=%04x cx=%04x di=%04x si=%x)\n", context->SegDs, context->SegEs, context->SegFs, context->SegGs, context->Ebx, context->Ecx, context->Edi, context->Esi ); psp = GlobalLock16( context->SegEs ); len = MultiByteToWideChar( CP_ACP, 0, (char *)psp->cmdLine + 1, psp->cmdLine[0], NULL, 0 ); total = (GetSystemDirectoryW( NULL, 0 ) + len + 1) * sizeof(WCHAR) + sizeof(winhlp32W); cmdline = HeapAlloc( GetProcessHeap(), 0, total ); GetSystemDirectoryW( cmdline, total ); lstrcatW( cmdline, winhlp32W ); p = cmdline + lstrlenW(cmdline); if (len) { *p++ = ' '; MultiByteToWideChar( CP_ACP, 0, (char *)psp->cmdLine + 1, psp->cmdLine[0], p, len ); p[len] = 0; } memset( &startup, 0, sizeof(startup) ); startup.cb = sizeof(startup); if (CreateProcessW( NULL, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &startup, &info )) { /* Give 10 seconds to the app to come up */ if (wait_input_idle( info.hProcess, 10000 ) == WAIT_FAILED) WARN("WaitForInputIdle failed: Error %d\n", GetLastError() ); ReleaseThunkLock( &count ); WaitForSingleObject( info.hProcess, INFINITE ); GetExitCodeProcess( info.hProcess, &exit_code ); CloseHandle( info.hThread ); CloseHandle( info.hProcess ); } else ReleaseThunkLock( &count ); HeapFree( GetProcessHeap(), 0, cmdline ); ExitThread( exit_code ); }