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git://source.winehq.org/git/wine.git
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216 lines
6.4 KiB
C
216 lines
6.4 KiB
C
/*
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* Kernel initialization code
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*
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* Copyright 2000 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <ctype.h>
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#include <stdarg.h>
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#include <string.h>
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#include <signal.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wincon.h"
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#include "winternl.h"
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#include "wine/library.h"
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#include "kernel_private.h"
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#include "console_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(process);
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extern int CDECL __wine_set_signal_handler(unsigned, int (*)(unsigned));
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/***********************************************************************
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* set_entry_point
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*/
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static void set_entry_point( HMODULE module, const char *name, DWORD rva )
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{
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IMAGE_EXPORT_DIRECTORY *exports;
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DWORD exp_size;
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if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
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IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
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{
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DWORD *functions = (DWORD *)((char *)module + exports->AddressOfFunctions);
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const WORD *ordinals = (const WORD *)((const char *)module + exports->AddressOfNameOrdinals);
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const DWORD *names = (const DWORD *)((const char *)module + exports->AddressOfNames);
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int min = 0, max = exports->NumberOfNames - 1;
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while (min <= max)
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{
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int res, pos = (min + max) / 2;
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const char *ename = (const char *)module + names[pos];
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if (!(res = strcmp( ename, name )))
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{
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WORD ordinal = ordinals[pos];
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assert( ordinal < exports->NumberOfFunctions );
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TRACE( "setting %s at %p to %08x\n", name, &functions[ordinal], rva );
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functions[ordinal] = rva;
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return;
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}
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if (res > 0) max = pos - 1;
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else min = pos + 1;
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}
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}
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}
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/***********************************************************************
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* KERNEL process initialisation routine
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*/
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static BOOL process_attach( HMODULE module )
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{
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RTL_USER_PROCESS_PARAMETERS *params = NtCurrentTeb()->Peb->ProcessParameters;
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/* Setup registry locale information */
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LOCALE_InitRegistry();
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/* Setup computer name */
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COMPUTERNAME_Init();
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CONSOLE_Init(params);
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/* copy process information from ntdll */
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ENV_CopyStartupInformation();
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if (!(GetVersion() & 0x80000000))
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{
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/* Securom checks for this one when version is NT */
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set_entry_point( module, "FT_Thunk", 0 );
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}
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else LoadLibraryA( "krnl386.exe16" );
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/* finish the process initialisation for console bits, if needed */
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__wine_set_signal_handler(SIGINT, CONSOLE_HandleCtrlC);
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if (params->ConsoleHandle == KERNEL32_CONSOLE_ALLOC)
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{
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HMODULE mod = GetModuleHandleA(0);
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if (RtlImageNtHeader(mod)->OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI)
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AllocConsole();
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}
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/* else TODO for DETACHED_PROCESS:
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* 1/ inherit console + handles
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* 2/ create std handles, if handles are not inherited
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* TBD when not using wineserver handles for console handles
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*/
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return TRUE;
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}
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/***********************************************************************
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* KERNEL initialisation routine
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*/
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BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
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{
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switch(reason)
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{
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case DLL_PROCESS_ATTACH:
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DisableThreadLibraryCalls( hinst );
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return process_attach( hinst );
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case DLL_PROCESS_DETACH:
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WritePrivateProfileSectionW( NULL, NULL, NULL );
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CONSOLE_Exit();
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break;
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}
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return TRUE;
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}
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/***********************************************************************
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* MulDiv (KERNEL32.@)
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* RETURNS
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* Result of multiplication and division
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* -1: Overflow occurred or Divisor was 0
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*/
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INT WINAPI MulDiv( INT nMultiplicand, INT nMultiplier, INT nDivisor)
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{
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LONGLONG ret;
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if (!nDivisor) return -1;
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/* We want to deal with a positive divisor to simplify the logic. */
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if (nDivisor < 0)
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{
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nMultiplicand = - nMultiplicand;
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nDivisor = -nDivisor;
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}
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/* If the result is positive, we "add" to round. else, we subtract to round. */
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if ( ( (nMultiplicand < 0) && (nMultiplier < 0) ) ||
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( (nMultiplicand >= 0) && (nMultiplier >= 0) ) )
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ret = (((LONGLONG)nMultiplicand * nMultiplier) + (nDivisor/2)) / nDivisor;
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else
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ret = (((LONGLONG)nMultiplicand * nMultiplier) - (nDivisor/2)) / nDivisor;
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if ((ret > 2147483647) || (ret < -2147483647)) return -1;
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return ret;
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}
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/******************************************************************************
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* GetTickCount64 (KERNEL32.@)
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*/
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ULONGLONG WINAPI GetTickCount64(void)
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{
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LARGE_INTEGER counter, frequency;
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NtQueryPerformanceCounter( &counter, &frequency );
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return counter.QuadPart * 1000 / frequency.QuadPart;
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}
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/***********************************************************************
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* GetTickCount (KERNEL32.@)
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*
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* Get the number of milliseconds the system has been running.
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*
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* PARAMS
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* None.
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*
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* RETURNS
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* The current tick count.
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*
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* NOTES
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* The value returned will wrap around every 2^32 milliseconds.
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*/
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DWORD WINAPI GetTickCount(void)
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{
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return GetTickCount64();
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}
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/******************************************************************************
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* GetSystemRegistryQuota (KERNEL32.@)
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*/
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BOOL WINAPI GetSystemRegistryQuota(PDWORD pdwQuotaAllowed, PDWORD pdwQuotaUsed)
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{
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FIXME("(%p, %p) faking reported quota values\n", pdwQuotaAllowed, pdwQuotaUsed);
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if (pdwQuotaAllowed)
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*pdwQuotaAllowed = 2 * 1000 * 1000 * 1000; /* 2 GB */
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if (pdwQuotaUsed)
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*pdwQuotaUsed = 100 * 1000 * 1000; /* 100 MB */
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return TRUE;
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}
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