665 lines
20 KiB
C
665 lines
20 KiB
C
/*
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* ntoskrnl.exe implementation
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*
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* Copyright (C) 2007 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 <stdarg.h>
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winternl.h"
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#include "excpt.h"
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#include "ddk/wdm.h"
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#include "wine/unicode.h"
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#include "wine/server.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ntoskrnl);
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WINE_DECLARE_DEBUG_CHANNEL(relay);
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KSYSTEM_TIME KeTickCount;
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typedef struct _KSERVICE_TABLE_DESCRIPTOR
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{
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PULONG_PTR Base;
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PULONG Count;
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ULONG Limit;
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PUCHAR Number;
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} KSERVICE_TABLE_DESCRIPTOR, *PKSERVICE_TABLE_DESCRIPTOR;
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KSERVICE_TABLE_DESCRIPTOR KeServiceDescriptorTable[4];
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typedef void (WINAPI *PCREATE_PROCESS_NOTIFY_ROUTINE)(HANDLE,HANDLE,BOOLEAN);
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#ifdef __i386__
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#define DEFINE_FASTCALL1_ENTRYPOINT( name ) \
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__ASM_GLOBAL_FUNC( name, \
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"popl %eax\n\t" \
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"pushl %ecx\n\t" \
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"pushl %eax\n\t" \
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"jmp " __ASM_NAME("__regs_") #name )
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#define DEFINE_FASTCALL2_ENTRYPOINT( name ) \
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__ASM_GLOBAL_FUNC( name, \
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"popl %eax\n\t" \
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"pushl %edx\n\t" \
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"pushl %ecx\n\t" \
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"pushl %eax\n\t" \
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"jmp " __ASM_NAME("__regs_") #name )
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#endif
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static inline LPCSTR debugstr_us( const UNICODE_STRING *us )
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{
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if (!us) return "<null>";
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return debugstr_wn( us->Buffer, us->Length / sizeof(WCHAR) );
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}
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static HANDLE get_device_manager(void)
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{
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static HANDLE device_manager;
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HANDLE handle = 0, ret = device_manager;
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if (!ret)
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{
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SERVER_START_REQ( create_device_manager )
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{
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req->access = SYNCHRONIZE;
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req->attributes = 0;
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if (!wine_server_call( req )) handle = reply->handle;
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}
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SERVER_END_REQ;
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if (!handle)
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{
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ERR( "failed to create the device manager\n" );
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return 0;
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}
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if (!(ret = InterlockedCompareExchangePointer( &device_manager, handle, 0 )))
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ret = handle;
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else
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NtClose( handle ); /* somebody beat us to it */
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}
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return ret;
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}
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/* exception handler for emulation of privileged instructions */
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static LONG CALLBACK vectored_handler( EXCEPTION_POINTERS *ptrs )
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{
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extern DWORD __wine_emulate_instruction( EXCEPTION_RECORD *rec, CONTEXT86 *context );
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EXCEPTION_RECORD *record = ptrs->ExceptionRecord;
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CONTEXT86 *context = ptrs->ContextRecord;
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if (record->ExceptionCode == EXCEPTION_ACCESS_VIOLATION ||
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record->ExceptionCode == EXCEPTION_PRIV_INSTRUCTION)
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{
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if (__wine_emulate_instruction( record, context ) == ExceptionContinueExecution)
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return EXCEPTION_CONTINUE_EXECUTION;
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}
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return EXCEPTION_CONTINUE_SEARCH;
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}
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/* process an ioctl request for a given device */
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static NTSTATUS process_ioctl( DEVICE_OBJECT *device, ULONG code, void *in_buff, ULONG in_size,
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void *out_buff, ULONG *out_size )
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{
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IRP irp;
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MDL mdl;
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IO_STACK_LOCATION irpsp;
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PDRIVER_DISPATCH dispatch = device->DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL];
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NTSTATUS status;
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LARGE_INTEGER count;
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TRACE( "ioctl %x device %p in_size %u out_size %u\n", code, device, in_size, *out_size );
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/* so we can spot things that we should initialize */
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memset( &irp, 0x55, sizeof(irp) );
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memset( &irpsp, 0x66, sizeof(irpsp) );
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memset( &mdl, 0x77, sizeof(mdl) );
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irp.RequestorMode = UserMode;
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irp.AssociatedIrp.SystemBuffer = in_buff;
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irp.UserBuffer = out_buff;
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irp.MdlAddress = &mdl;
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irp.Tail.Overlay.s.u.CurrentStackLocation = &irpsp;
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irpsp.MajorFunction = IRP_MJ_DEVICE_CONTROL;
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irpsp.Parameters.DeviceIoControl.OutputBufferLength = *out_size;
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irpsp.Parameters.DeviceIoControl.InputBufferLength = in_size;
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irpsp.Parameters.DeviceIoControl.IoControlCode = code;
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irpsp.Parameters.DeviceIoControl.Type3InputBuffer = in_buff;
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irpsp.DeviceObject = device;
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mdl.Next = NULL;
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mdl.Size = 0;
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mdl.StartVa = out_buff;
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mdl.ByteCount = *out_size;
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mdl.ByteOffset = 0;
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device->CurrentIrp = &irp;
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KeQueryTickCount( &count ); /* update the global KeTickCount */
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if (TRACE_ON(relay))
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DPRINTF( "%04x:Call driver dispatch %p (device=%p,irp=%p)\n",
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GetCurrentThreadId(), dispatch, device, &irp );
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status = dispatch( device, &irp );
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if (TRACE_ON(relay))
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DPRINTF( "%04x:Ret driver dispatch %p (device=%p,irp=%p) retval=%08x\n",
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GetCurrentThreadId(), dispatch, device, &irp, status );
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*out_size = (irp.IoStatus.u.Status >= 0) ? irp.IoStatus.Information : 0;
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return irp.IoStatus.u.Status;
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}
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/***********************************************************************
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* wine_ntoskrnl_main_loop (Not a Windows API)
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*/
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NTSTATUS wine_ntoskrnl_main_loop( HANDLE stop_event )
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{
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HANDLE manager = get_device_manager();
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HANDLE ioctl = 0;
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NTSTATUS status = STATUS_SUCCESS;
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ULONG code = 0;
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void *in_buff, *out_buff = NULL;
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DEVICE_OBJECT *device = NULL;
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ULONG in_size = 4096, out_size = 0;
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HANDLE handles[2];
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if (!(in_buff = HeapAlloc( GetProcessHeap(), 0, in_size )))
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{
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ERR( "failed to allocate buffer\n" );
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return STATUS_NO_MEMORY;
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}
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handles[0] = stop_event;
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handles[1] = manager;
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for (;;)
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{
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SERVER_START_REQ( get_next_device_request )
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{
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req->manager = manager;
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req->prev = ioctl;
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req->status = status;
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wine_server_add_data( req, out_buff, out_size );
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wine_server_set_reply( req, in_buff, in_size );
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if (!(status = wine_server_call( req )))
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{
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code = reply->code;
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ioctl = reply->next;
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device = reply->user_ptr;
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in_size = reply->in_size;
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out_size = reply->out_size;
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}
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else
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{
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ioctl = 0; /* no previous ioctl */
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out_size = 0;
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in_size = reply->in_size;
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}
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}
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SERVER_END_REQ;
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switch(status)
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{
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case STATUS_SUCCESS:
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HeapFree( GetProcessHeap(), 0, out_buff );
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if (out_size) out_buff = HeapAlloc( GetProcessHeap(), 0, out_size );
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else out_buff = NULL;
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status = process_ioctl( device, code, in_buff, in_size, out_buff, &out_size );
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break;
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case STATUS_BUFFER_OVERFLOW:
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HeapFree( GetProcessHeap(), 0, in_buff );
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in_buff = HeapAlloc( GetProcessHeap(), 0, in_size );
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/* restart with larger buffer */
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break;
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case STATUS_PENDING:
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if (WaitForMultipleObjects( 2, handles, FALSE, INFINITE ) == WAIT_OBJECT_0)
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return STATUS_SUCCESS;
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break;
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}
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}
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}
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/***********************************************************************
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* IoAllocateMdl (NTOSKRNL.EXE.@)
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*/
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PMDL WINAPI IoAllocateMdl( PVOID VirtualAddress, ULONG Length, BOOLEAN SecondaryBuffer, BOOLEAN ChargeQuota, PIRP Irp )
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{
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FIXME( "stub: %p, %u, %i, %i, %p\n", VirtualAddress, Length, SecondaryBuffer, ChargeQuota, Irp );
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return NULL;
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}
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/***********************************************************************
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* IoAllocateWorkItem (NTOSKRNL.EXE.@)
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*/
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PIO_WORKITEM WINAPI IoAllocateWorkItem( PDEVICE_OBJECT DeviceObject )
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{
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FIXME( "stub: %p\n", DeviceObject );
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return NULL;
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}
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/***********************************************************************
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* IoCreateDriver (NTOSKRNL.EXE.@)
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*/
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NTSTATUS WINAPI IoCreateDriver( UNICODE_STRING *name, PDRIVER_INITIALIZE init )
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{
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DRIVER_OBJECT *driver;
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DRIVER_EXTENSION *extension;
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NTSTATUS status;
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if (!(driver = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY,
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sizeof(*driver) + sizeof(*extension) )))
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return STATUS_NO_MEMORY;
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if ((status = RtlDuplicateUnicodeString( 1, name, &driver->DriverName )))
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{
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RtlFreeHeap( GetProcessHeap(), 0, driver );
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return status;
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}
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extension = (DRIVER_EXTENSION *)(driver + 1);
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driver->Size = sizeof(*driver);
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driver->DriverInit = init;
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driver->DriverExtension = extension;
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extension->DriverObject = driver;
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extension->ServiceKeyName = driver->DriverName;
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status = driver->DriverInit( driver, name );
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if (status)
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{
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RtlFreeUnicodeString( &driver->DriverName );
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RtlFreeHeap( GetProcessHeap(), 0, driver );
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}
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return status;
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}
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/***********************************************************************
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* IoDeleteDriver (NTOSKRNL.EXE.@)
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*/
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void WINAPI IoDeleteDriver( DRIVER_OBJECT *driver )
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{
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RtlFreeUnicodeString( &driver->DriverName );
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RtlFreeHeap( GetProcessHeap(), 0, driver );
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}
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/***********************************************************************
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* IoCreateDevice (NTOSKRNL.EXE.@)
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*/
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NTSTATUS WINAPI IoCreateDevice( DRIVER_OBJECT *driver, ULONG ext_size,
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UNICODE_STRING *name, DEVICE_TYPE type,
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ULONG characteristics, BOOLEAN exclusive,
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DEVICE_OBJECT **ret_device )
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{
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NTSTATUS status;
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DEVICE_OBJECT *device;
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HANDLE handle = 0;
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HANDLE manager = get_device_manager();
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TRACE( "(%p, %u, %s, %u, %x, %u, %p)\n",
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driver, ext_size, debugstr_us(name), type, characteristics, exclusive, ret_device );
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if (!(device = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*device) + ext_size )))
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return STATUS_NO_MEMORY;
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SERVER_START_REQ( create_device )
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{
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req->access = 0;
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req->attributes = 0;
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req->rootdir = 0;
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req->manager = manager;
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req->user_ptr = device;
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if (name) wine_server_add_data( req, name->Buffer, name->Length );
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if (!(status = wine_server_call( req ))) handle = reply->handle;
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}
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SERVER_END_REQ;
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if (status == STATUS_SUCCESS)
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{
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device->DriverObject = driver;
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device->DeviceExtension = device + 1;
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device->DeviceType = type;
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device->Reserved = handle;
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device->NextDevice = driver->DeviceObject;
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driver->DeviceObject = device;
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*ret_device = device;
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}
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else HeapFree( GetProcessHeap(), 0, device );
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return status;
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}
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/***********************************************************************
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* IoDeleteDevice (NTOSKRNL.EXE.@)
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*/
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void WINAPI IoDeleteDevice( DEVICE_OBJECT *device )
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{
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NTSTATUS status;
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TRACE( "%p\n", device );
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SERVER_START_REQ( delete_device )
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{
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req->handle = device->Reserved;
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status = wine_server_call( req );
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}
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SERVER_END_REQ;
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if (status == STATUS_SUCCESS)
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{
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DEVICE_OBJECT **prev = &device->DriverObject->DeviceObject;
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while (*prev && *prev != device) prev = &(*prev)->NextDevice;
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if (*prev) *prev = (*prev)->NextDevice;
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NtClose( device->Reserved );
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HeapFree( GetProcessHeap(), 0, device );
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}
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}
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/***********************************************************************
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* IoCreateSymbolicLink (NTOSKRNL.EXE.@)
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*/
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NTSTATUS WINAPI IoCreateSymbolicLink( UNICODE_STRING *name, UNICODE_STRING *target )
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{
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HANDLE handle;
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OBJECT_ATTRIBUTES attr;
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attr.Length = sizeof(attr);
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attr.RootDirectory = 0;
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attr.ObjectName = name;
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attr.Attributes = OBJ_CASE_INSENSITIVE | OBJ_OPENIF;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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TRACE( "%s -> %s\n", debugstr_us(name), debugstr_us(target) );
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/* FIXME: store handle somewhere */
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return NtCreateSymbolicLinkObject( &handle, SYMBOLIC_LINK_ALL_ACCESS, &attr, target );
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}
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/***********************************************************************
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* IofCompleteRequest (NTOSKRNL.EXE.@)
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*/
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#ifdef DEFINE_FASTCALL2_ENTRYPOINT
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DEFINE_FASTCALL2_ENTRYPOINT( IofCompleteRequest )
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void WINAPI __regs_IofCompleteRequest( IRP *irp, UCHAR priority_boost )
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#else
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void WINAPI IofCompleteRequest( IRP *irp, UCHAR priority_boost )
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#endif
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{
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TRACE( "%p %u\n", irp, priority_boost );
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/* nothing to do for now */
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}
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/***********************************************************************
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* ExAllocatePool (NTOSKRNL.EXE.@)
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*/
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PVOID WINAPI ExAllocatePool( POOL_TYPE type, SIZE_T size )
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{
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return ExAllocatePoolWithTag( type, size, 0 );
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}
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/***********************************************************************
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* ExAllocatePoolWithQuota (NTOSKRNL.EXE.@)
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*/
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PVOID WINAPI ExAllocatePoolWithQuota( POOL_TYPE type, SIZE_T size )
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{
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return ExAllocatePoolWithTag( type, size, 0 );
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}
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/***********************************************************************
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* ExAllocatePoolWithTag (NTOSKRNL.EXE.@)
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*/
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PVOID WINAPI ExAllocatePoolWithTag( POOL_TYPE type, SIZE_T size, ULONG tag )
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{
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/* FIXME: handle page alignment constraints */
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void *ret = HeapAlloc( GetProcessHeap(), 0, size );
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TRACE( "%lu pool %u -> %p\n", size, type, ret );
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return ret;
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}
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/***********************************************************************
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* ExAllocatePoolWithQuotaTag (NTOSKRNL.EXE.@)
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*/
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PVOID WINAPI ExAllocatePoolWithQuotaTag( POOL_TYPE type, SIZE_T size, ULONG tag )
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{
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return ExAllocatePoolWithTag( type, size, tag );
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}
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/***********************************************************************
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* ExFreePool (NTOSKRNL.EXE.@)
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*/
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void WINAPI ExFreePool( void *ptr )
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{
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ExFreePoolWithTag( ptr, 0 );
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}
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/***********************************************************************
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* ExFreePoolWithTag (NTOSKRNL.EXE.@)
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*/
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void WINAPI ExFreePoolWithTag( void *ptr, ULONG tag )
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{
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TRACE( "%p\n", ptr );
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HeapFree( GetProcessHeap(), 0, ptr );
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}
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/***********************************************************************
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* KeInitializeSpinLock (NTOSKRNL.EXE.@)
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*/
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void WINAPI KeInitializeSpinLock( PKSPIN_LOCK SpinLock )
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{
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FIXME("%p\n", SpinLock);
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}
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/***********************************************************************
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* KeInitializeTimerEx (NTOSKRNL.EXE.@)
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*/
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void WINAPI KeInitializeTimerEx( PKTIMER Timer, TIMER_TYPE Type )
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{
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FIXME("%p %d\n", Timer, Type);
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}
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/***********************************************************************
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* KeInitializeTimer (NTOSKRNL.EXE.@)
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*/
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void WINAPI KeInitializeTimer( PKTIMER Timer )
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{
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KeInitializeTimerEx(Timer, NotificationTimer);
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}
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/***********************************************************************
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* KeQuerySystemTime (NTOSKRNL.EXE.@)
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*/
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void WINAPI KeQuerySystemTime( LARGE_INTEGER *time )
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{
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NtQuerySystemTime( time );
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}
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/***********************************************************************
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* KeQueryTickCount (NTOSKRNL.EXE.@)
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*/
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void WINAPI KeQueryTickCount( LARGE_INTEGER *count )
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{
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count->QuadPart = NtGetTickCount();
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/* update the global variable too */
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KeTickCount.LowPart = count->u.LowPart;
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KeTickCount.High1Time = count->u.HighPart;
|
|
KeTickCount.High2Time = count->u.HighPart;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* KeQueryTimeIncrement (NTOSKRNL.EXE.@)
|
|
*/
|
|
ULONG WINAPI KeQueryTimeIncrement(void)
|
|
{
|
|
return 10000;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* MmAllocateNonCachedMemory (NTOSKRNL.EXE.@)
|
|
*/
|
|
PVOID WINAPI MmAllocateNonCachedMemory( SIZE_T size )
|
|
{
|
|
TRACE( "%lu\n", size );
|
|
return VirtualAlloc( NULL, size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE|PAGE_NOCACHE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* MmFreeNonCachedMemory (NTOSKRNL.EXE.@)
|
|
*/
|
|
void WINAPI MmFreeNonCachedMemory( void *addr, SIZE_T size )
|
|
{
|
|
TRACE( "%p %lu\n", addr, size );
|
|
VirtualFree( addr, 0, MEM_RELEASE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MmPageEntireDriver (NTOSKRNL.EXE.@)
|
|
*/
|
|
PVOID WINAPI MmPageEntireDriver(PVOID AddrInSection)
|
|
{
|
|
TRACE("%p\n", AddrInSection);
|
|
return AddrInSection;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MmResetDriverPaging (NTOSKRNL.EXE.@)
|
|
*/
|
|
void WINAPI MmResetDriverPaging(PVOID AddrInSection)
|
|
{
|
|
TRACE("%p\n", AddrInSection);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PsCreateSystemThread (NTOSKRNL.EXE.@)
|
|
*/
|
|
NTSTATUS WINAPI PsCreateSystemThread(PHANDLE ThreadHandle, ULONG DesiredAccess,
|
|
POBJECT_ATTRIBUTES ObjectAttributes,
|
|
HANDLE ProcessHandle, PCLIENT_ID ClientId,
|
|
PKSTART_ROUTINE StartRoutine, PVOID StartContext)
|
|
{
|
|
if (!ProcessHandle) ProcessHandle = GetCurrentProcess();
|
|
return RtlCreateUserThread(ProcessHandle, 0, FALSE, 0, 0,
|
|
0, StartRoutine, StartContext,
|
|
ThreadHandle, ClientId);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PsGetCurrentProcessId (NTOSKRNL.EXE.@)
|
|
*/
|
|
HANDLE WINAPI PsGetCurrentProcessId(void)
|
|
{
|
|
return (HANDLE)GetCurrentProcessId(); /* FIXME: not quite right... */
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PsGetCurrentThreadId (NTOSKRNL.EXE.@)
|
|
*/
|
|
HANDLE WINAPI PsGetCurrentThreadId(void)
|
|
{
|
|
return (HANDLE)GetCurrentThreadId(); /* FIXME: not quite right... */
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PsGetVersion (NTOSKRNL.EXE.@)
|
|
*/
|
|
BOOLEAN WINAPI PsGetVersion(ULONG *major, ULONG *minor, ULONG *build, UNICODE_STRING *version )
|
|
{
|
|
RTL_OSVERSIONINFOEXW info;
|
|
|
|
RtlGetVersion( &info );
|
|
if (major) *major = info.dwMajorVersion;
|
|
if (minor) *minor = info.dwMinorVersion;
|
|
if (build) *build = info.dwBuildNumber;
|
|
|
|
if (version)
|
|
{
|
|
#if 0 /* FIXME: GameGuard passes an uninitialized pointer in version->Buffer */
|
|
size_t len = min( strlenW(info.szCSDVersion)*sizeof(WCHAR), version->MaximumLength );
|
|
memcpy( version->Buffer, info.szCSDVersion, len );
|
|
if (len < version->MaximumLength) version->Buffer[len / sizeof(WCHAR)] = 0;
|
|
version->Length = len;
|
|
#endif
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PsSetCreateProcessNotifyRoutine (NTOSKRNL.EXE.@)
|
|
*/
|
|
NTSTATUS WINAPI PsSetCreateProcessNotifyRoutine( PCREATE_PROCESS_NOTIFY_ROUTINE callback, BOOLEAN remove )
|
|
{
|
|
FIXME( "stub: %p %d\n", callback, remove );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
/*****************************************************
|
|
* DllMain
|
|
*/
|
|
BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
|
|
{
|
|
LARGE_INTEGER count;
|
|
|
|
switch(reason)
|
|
{
|
|
case DLL_PROCESS_ATTACH:
|
|
DisableThreadLibraryCalls( inst );
|
|
RtlAddVectoredExceptionHandler( TRUE, vectored_handler );
|
|
KeQueryTickCount( &count ); /* initialize the global KeTickCount */
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|