dlls/kernel32/kernel16.c - wine - Git at Google

 /*
  * 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 <stdarg.h>
 #include <stdio.h>

 #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 );
 }

 /***********************************************************************
  *           _DebugOutput                    (KERNEL.328)
  */
 void WINAPIV _DebugOutput( WORD flags, LPCSTR spec, VA_LIST16 valist )
 {
     char caller[101];

     /* Decode caller address */
     if (!GetModuleName16( GetExePtr(CURRENT_STACK16->cs), caller, sizeof(caller) ))
         sprintf( caller, "%04X:%04X", CURRENT_STACK16->cs, CURRENT_STACK16->ip );

     /* FIXME: cannot use wvsnprintf16 from kernel */
     /* wvsnprintf16( temp, sizeof(temp), spec, valist ); */

     /* Output */
     FIXME("%s %04x %s\n", caller, flags, debugstr_a(spec) );
 }
	/*
	* 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 <stdarg.h>
	#include <stdio.h>

	#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 );
	}

	/***********************************************************************
	* _DebugOutput (KERNEL.328)
	*/
	void WINAPIV _DebugOutput( WORD flags, LPCSTR spec, VA_LIST16 valist )
	{
	char caller[101];

	/* Decode caller address */
	if (!GetModuleName16( GetExePtr(CURRENT_STACK16->cs), caller, sizeof(caller) ))
	sprintf( caller, "%04X:%04X", CURRENT_STACK16->cs, CURRENT_STACK16->ip );

	/* FIXME: cannot use wvsnprintf16 from kernel */
	/* wvsnprintf16( temp, sizeof(temp), spec, valist ); */

	/* Output */
	FIXME("%s %04x %s\n", caller, flags, debugstr_a(spec) );
	}