diff options
author | ben <ben@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2007-04-06 15:20:49 +0000 |
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committer | ben <ben@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2007-04-06 15:20:49 +0000 |
commit | 51ba40dcd64518c8d5f9ce586171c8fb347a42c0 (patch) | |
tree | 590b1ce6d17f2126b67d1a5cb1576cdd7e8dea5c /libdha | |
parent | 3099d0da16505cbc0aaab34f9299404e9ec19241 (diff) | |
download | mpv-51ba40dcd64518c8d5f9ce586171c8fb347a42c0.tar.bz2 mpv-51ba40dcd64518c8d5f9ce586171c8fb347a42c0.tar.xz |
merged libdha and libvidix, moved all files from libdha to vidix directory
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22918 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libdha')
46 files changed, 0 insertions, 17337 deletions
diff --git a/libdha/AsmMacros.h b/libdha/AsmMacros.h deleted file mode 100644 index 5e4e1addc4..0000000000 --- a/libdha/AsmMacros.h +++ /dev/null @@ -1,117 +0,0 @@ -/* $XConsortium: AsmMacros.h /main/13 1996/10/25 11:33:12 kaleb $ */ -/* - * (c) Copyright 1993,1994 by David Wexelblat <dwex@xfree86.org> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * DAVID WEXELBLAT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of David Wexelblat shall not be - * used in advertising or otherwise to promote the sale, use or other dealings - * in this Software without prior written authorization from David Wexelblat. - * - */ -/* - * Copyright 1997 - * Digital Equipment Corporation. All rights reserved. - * This software is furnished under license and may be used and copied only in - * accordance with the following terms and conditions. Subject to these - * conditions, you may download, copy, install, use, modify and distribute - * this software in source and/or binary form. No title or ownership is - * transferred hereby. - * - * 1) Any source code used, modified or distributed must reproduce and retain - * this copyright notice and list of conditions as they appear in the source - * file. - * - * 2) No right is granted to use any trade name, trademark, or logo of Digital - * Equipment Corporation. Neither the "Digital Equipment Corporation" name - * nor any trademark or logo of Digital Equipment Corporation may be used - * to endorse or promote products derived from this software without the - * prior written permission of Digital Equipment Corporation. - * - * 3) This software is provided "AS-IS" and any express or implied warranties, - * including but not limited to, any implied warranties of merchantability, - * fitness for a particular purpose, or non-infringement are disclaimed. In - * no event shall DIGITAL be liable for any damages whatsoever, and in - * particular, DIGITAL shall not be liable for special, indirect, - * consequential, or incidental damages or damages for - * lost profits, loss of revenue or loss of use, whether such damages arise - * in contract, - * negligence, tort, under statute, in equity, at law or otherwise, even if - * advised of the possibility of such damage. - * - */ - -/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $ */ - -/* - * Modified for readability by Nick Kurshev -*/ - -#if defined(__GNUC__) -#if defined(__alpha__) -#include "sysdep/AsmMacros_alpha.h" -#elif defined(__ia64__) -#include "sysdep/AsmMacros_ia64.h" -#elif defined(__sparc__) -#include "sysdep/AsmMacros_sparc.h" -#elif defined( __arm32__ ) -#include "sysdep/AsmMacros_arm32.h" -#elif defined(__powerpc__) -#include "sysdep/AsmMacros_powerpc.h" -#else -#include "sysdep/AsmMacros_x86.h" -#endif - -#else /* __GNUC__ */ - -#if defined(_MINIX) && defined(_ACK) - -/* inb, outb, inw and outw are defined in the library */ -/* ... but I've no idea if the same is true for inl & outl */ - -u8_t inb(U16_t); -void outb(U16_t, U8_t); -u16_t inw(U16_t); -void outw(U16_t, U16_t); -u32_t inl(U16_t); -void outl(U16_t, U32_t); - -#else /* not _MINIX and _ACK */ - -# if defined(__STDC__) && (__STDC__ == 1) -# ifndef NCR -# define asm __asm -# endif -# endif -# ifdef SVR4 -# include <sys/types.h> -# ifndef __USLC__ -# define __USLC__ -# endif -# endif -#ifndef SCO325 -# include <sys/inline.h> -#else -# include "../common/scoasm.h" -#endif -#define intr_disable() asm("cli") -#define intr_enable() asm("sti") - -#endif /* _MINIX and _ACK */ -#endif /* __GNUC__ */ diff --git a/libdha/bin/README b/libdha/bin/README deleted file mode 100644 index fe4bfa6f34..0000000000 --- a/libdha/bin/README +++ /dev/null @@ -1,6 +0,0 @@ -mapdev.vxd -~~~~~~~~~~ -mapdev.vxd - provides direct hardware access under Win9x. -install: Just copy it into %WINDOWS%\system folder and reboot. -note: This driver won't work under NT-based systems -(like WinNT, Win2000 and even WinME and WinXP due importing NT things). diff --git a/libdha/bin/mapdev.copyright b/libdha/bin/mapdev.copyright deleted file mode 100644 index b22433d291..0000000000 --- a/libdha/bin/mapdev.copyright +++ /dev/null @@ -1,70 +0,0 @@ -From khazzah@melita.com Mon Jun 23 21:48:19 1997 -Return-Path: <khazzah@melita.com> -Received: from melita.melita.com by max4.rrze.uni-erlangen.de; Mon, 23 Jun 1997 21:48:16 +0200 -Received: from mailgate.melita.com ([192.68.22.8]) by melita.melita.com (8.6.12/8.6.9) with SMTP id QAA29292 for <Stefan.Dirsch@stud.uni-erlangen.de>; Mon, 23 Jun 1997 16:17:55 -0400 -Received: by mailgate.melita.com with Microsoft Mail - id <33AEFD34@mailgate.melita.com>; Mon, 23 Jun 97 15:48:20 PDT -From: Karen Hazzah <khazzah@melita.com> -To: "'Stefan.Dirsch@stud.uni-erlangen.de'" <Stefan.Dirsch@stud.uni-erlangen.de> -Subject: Your post to vxd newsgroup -Date: Sun, 22 Jun 97 20:51:00 PDT -Message-ID: <33AEFD34@mailgate.melita.com> -Encoding: 22 TEXT -X-Mailer: Microsoft Mail V3.0 - - -I posted an answer to your question in the newsgroup. I also have -additional information for you. - -I can email you the binary for VxD which does exactly what you need: -given a physical address, returns a pointer that can be used by a -Win32 application. I'll also give you source for a Win32 app which -uses the VxD to read an area of physical memory. - -I don't offer this solution to everyone, since in most cases the -proper solution is for them to write a VxD which interacts with their -hardware, rather than simply getting a pointer to the hardware and -interacting with it from an application. - -However, in your case, you're just using a VxD as a tool to get your -Linux driver working...you shouldn't have to write a VxD for this :-) - -Let me know if you're interested. -=============================================================================== -Hello Karen - -A long time ago, you sent me your VXD for reading an area of physical -memory under Win32, so I could make register dumps of the graphic -chip. Did I ever mention, that it works perfectly for me? - -Why I contact you is, that I really would like to offer this solution -to all XFree86 members, so that it will be much easier in the future -for XFree86 to develop drivers for graphic boards. - -Can I count with your agreement? Would you like to add a special -copyright to your software? - -Stefan -=============================================================================== -From KHazzah@melita.com Wed Mar 4 00:00:28 1998 -Return-Path: <KHazzah@melita.com> -Received: from melita.melita.com (melita.com [192.68.22.2]) - by Galois.suse.de (8.8.8/8.8.8) with SMTP id AAA03709 - for <sndirsch@suse.de>; Wed, 4 Mar 1998 00:00:26 +0100 -Received: from norcross.melita.com (norcross.melita.com [192.68.22.10]) by melita.melita.com (8.6.12/8.6.9) with ESMTP id TAA31217 for <sndirsch@suse.de>; Tue, 3 Mar 1998 19:48:10 -0500 -Received: by zippy.melita.com with Internet Mail Service (5.5.1960.3) - id <F5X7MBSS>; Tue, 3 Mar 1998 18:00:26 -0500 -Message-ID: <D8EE8292EB83D111A15E00805FA67447166532@zippy.melita.com> -From: "Hazzah, Karen" <KHazzah@melita.com> -To: Stefan Dirsch <sndirsch@suse.de> -Subject: RE: VXD binary for Win32 for reading an area of physical memory -Date: Tue, 3 Mar 1998 18:00:25 -0500 -MIME-Version: 1.0 -X-Mailer: Internet Mail Service (5.5.1960.3) -Content-Type: text/plain -Status: ROr - -OK, you have my permission to make it publicly available, as is. - -If you make it available on the web (ftp, etc.), please give me the -URL so I can refer others to it. diff --git a/libdha/bin/mapdev.vxd b/libdha/bin/mapdev.vxd Binary files differdeleted file mode 100644 index e09194b842..0000000000 --- a/libdha/bin/mapdev.vxd +++ /dev/null diff --git a/libdha/dhahelperwin/MAKEFILE b/libdha/dhahelperwin/MAKEFILE deleted file mode 100644 index 58189757d6..0000000000 --- a/libdha/dhahelperwin/MAKEFILE +++ /dev/null @@ -1,7 +0,0 @@ -# -# DO NOT EDIT THIS FILE!!! Edit .\sources. if you want to add a new source -# file to this component. This file merely indirects to the real make file -# that is shared by all the driver components of the Windows NT DDK -# - -!INCLUDE $(NTMAKEENV)\makefile.def diff --git a/libdha/dhahelperwin/SOURCES b/libdha/dhahelperwin/SOURCES deleted file mode 100644 index e44aa06971..0000000000 --- a/libdha/dhahelperwin/SOURCES +++ /dev/null @@ -1,6 +0,0 @@ -TARGETNAME=dhahelper -TARGETPATH=. -TARGETTYPE=DRIVER -NTDEBUG=ntsd - -SOURCES= dhahelper.c diff --git a/libdha/dhahelperwin/dhahelper.c b/libdha/dhahelperwin/dhahelper.c deleted file mode 100644 index 230d44a372..0000000000 --- a/libdha/dhahelperwin/dhahelper.c +++ /dev/null @@ -1,359 +0,0 @@ -/****************************************************************************** - * dhahelper.c: direct hardware access under Windows NT/2000/XP - * Copyright (c) 2004 Sascha Sommer <saschasommer@freenet.de>. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - *****************************************************************************/ - - -#include <ntddk.h> -#include "dhahelper.h" - -#define OutputDebugString DbgPrint - -#define IOPM_SIZE 0x2000 -typedef char IOPM[IOPM_SIZE]; -static IOPM *pIOPM = NULL; - - - -typedef struct { - PMDL Mdl; - PVOID SystemVirtualAddress; - PVOID UserVirtualAddress; - ULONG PhysMemSizeInBytes; -}alloc_priv; -static alloc_priv* alloclist; -static unsigned int alloccount=0; - - - - - - - -static NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp); -static void dhahelperunload(IN PDRIVER_OBJECT DriverObject); -static NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress); -static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemSizeInBytes,PVOID *PhysMemLin); - -void Ke386SetIoAccessMap(int, IOPM *); -void Ke386QueryIoAccessMap(int, IOPM *); -void Ke386IoSetAccessProcess(PEPROCESS, int); - - - - -//entry point -NTSTATUS DriverEntry (IN PDRIVER_OBJECT DriverObject,IN PUNICODE_STRING RegistryPath){ - UNICODE_STRING DeviceNameUnicodeString; - UNICODE_STRING DeviceLinkUnicodeString; - NTSTATUS ntStatus; - PDEVICE_OBJECT DeviceObject = NULL; - - OutputDebugString ("dhahelper: entering DriverEntry"); - - RtlInitUnicodeString (&DeviceNameUnicodeString, L"\\Device\\DHAHELPER"); - - // Create an EXCLUSIVE device object (only 1 thread at a time - // can make requests to this device). - - ntStatus = IoCreateDevice(DriverObject,0,&DeviceNameUnicodeString,FILE_DEVICE_DHAHELPER,0,TRUE,&DeviceObject); - - if (NT_SUCCESS(ntStatus)){ - // Create dispatch points for device control, create, close. - DriverObject->MajorFunction[IRP_MJ_CREATE] = - DriverObject->MajorFunction[IRP_MJ_CLOSE] = - DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = dhahelperdispatch; - DriverObject->DriverUnload = dhahelperunload; - - // Create a symbolic link, e.g. a name that a Win32 app can specify - // to open the device. - - RtlInitUnicodeString (&DeviceLinkUnicodeString, L"\\DosDevices\\DHAHELPER"); - - ntStatus = IoCreateSymbolicLink(&DeviceLinkUnicodeString,&DeviceNameUnicodeString); - - if (!NT_SUCCESS(ntStatus)){ - // Symbolic link creation failed- note this & then delete the - // device object (it's useless if a Win32 app can't get at it). - OutputDebugString ("dhahelper: IoCreateSymbolicLink failed"); - IoDeleteDevice (DeviceObject); - } - } - else{ - OutputDebugString ("dhahelper: IoCreateDevice failed"); - } - OutputDebugString ("dhahelper: leaving DriverEntry"); - return ntStatus; -} - - -// Process the IRPs sent to this device - -static NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp){ - PIO_STACK_LOCATION IrpStack; - ULONG dwInputBufferLength; - ULONG dwOutputBufferLength; - ULONG dwIoControlCode; - PVOID pvIOBuffer; - NTSTATUS ntStatus; - dhahelper_t dhahelper_priv; - - OutputDebugString ("dhahelper: entering dhahelperdispatch"); - - // Init to default settings - - Irp->IoStatus.Status = STATUS_SUCCESS; - Irp->IoStatus.Information = 0; - - IrpStack = IoGetCurrentIrpStackLocation(Irp); - - // Get the pointer to the input/output buffer and it's length - - pvIOBuffer = Irp->AssociatedIrp.SystemBuffer; - dwInputBufferLength = IrpStack->Parameters.DeviceIoControl.InputBufferLength; - dwOutputBufferLength = IrpStack->Parameters.DeviceIoControl.OutputBufferLength; - - switch (IrpStack->MajorFunction){ - case IRP_MJ_CREATE: - OutputDebugString("dhahelper: IRP_MJ_CREATE"); - break; - case IRP_MJ_CLOSE: - OutputDebugString("dhahelper: IRP_MJ_CLOSE"); - break; - case IRP_MJ_DEVICE_CONTROL: - OutputDebugString("dhahelper: IRP_MJ_DEVICE_CONTROL"); - dwIoControlCode = IrpStack->Parameters.DeviceIoControl.IoControlCode; - switch (dwIoControlCode){ - case IOCTL_DHAHELPER_ENABLEDIRECTIO: - OutputDebugString("dhahelper: IOCTL_DHAHELPER_ENABLEDIRECTIO"); - pIOPM = MmAllocateNonCachedMemory(sizeof(IOPM)); - if (pIOPM){ - RtlZeroMemory(pIOPM, sizeof(IOPM)); - Ke386IoSetAccessProcess(PsGetCurrentProcess(), 1); - Ke386SetIoAccessMap(1, pIOPM); - } - else Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES; - break; - case IOCTL_DHAHELPER_DISABLEDIRECTIO: - OutputDebugString("dhahelper: IOCTL_DHAHELPER_DISABLEDIRECTIO"); - if (pIOPM){ - Ke386IoSetAccessProcess(PsGetCurrentProcess(), 0); - Ke386SetIoAccessMap(1, pIOPM); - MmFreeNonCachedMemory(pIOPM, sizeof(IOPM)); - pIOPM = NULL; - } - break; - case IOCTL_DHAHELPER_MAPPHYSTOLIN: - OutputDebugString("dhahelper: IOCTL_DHAHELPER_MAPPHYSTOLIN"); - if (dwInputBufferLength){ - memcpy (&dhahelper_priv, pvIOBuffer, dwInputBufferLength); - ntStatus = MapPhysicalMemoryToLinearSpace(dhahelper_priv.base,dhahelper_priv.size,&dhahelper_priv.ptr); - if (NT_SUCCESS(ntStatus)){ - memcpy (pvIOBuffer, &dhahelper_priv, dwInputBufferLength); - Irp->IoStatus.Information = dwInputBufferLength; - } - Irp->IoStatus.Status = ntStatus; - } - else Irp->IoStatus.Status = STATUS_INVALID_PARAMETER; - break; - case IOCTL_DHAHELPER_UNMAPPHYSADDR: - OutputDebugString("dhahelper: IOCTL_DHAHELPER_UNMAPPHYSADDR"); - if (dwInputBufferLength){ - memcpy (&dhahelper_priv, pvIOBuffer, dwInputBufferLength); - ntStatus = UnmapPhysicalMemory(dhahelper_priv.ptr); - Irp->IoStatus.Status = ntStatus; - } - else - Irp->IoStatus.Status = STATUS_INVALID_PARAMETER; - break; - default: - OutputDebugString("dhahelper: unknown IRP_MJ_DEVICE_CONTROL"); - Irp->IoStatus.Status = STATUS_INVALID_PARAMETER; - break; - } - break; - } - - // DON'T get cute and try to use the status field of the irp in the - // return status. That IRP IS GONE as soon as you call IoCompleteRequest. - - ntStatus = Irp->IoStatus.Status; - - IoCompleteRequest (Irp, IO_NO_INCREMENT); - - // We never have pending operation so always return the status code. - - OutputDebugString("dhahelper: leaving dhahelperdispatch"); - - return ntStatus; -} - -// Delete the associated device and return - -static void dhahelperunload(IN PDRIVER_OBJECT DriverObject){ - UNICODE_STRING DeviceLinkUnicodeString; - NTSTATUS ntStatus=STATUS_SUCCESS; - OutputDebugString ("dhahelper: entering dhahelperunload"); - OutputDebugString ("dhahelper: unmapping remaining memory"); - - while(alloccount && (ntStatus==STATUS_SUCCESS))ntStatus = UnmapPhysicalMemory(alloclist[alloccount-1].UserVirtualAddress); - RtlInitUnicodeString (&DeviceLinkUnicodeString, L"\\DosDevices\\DHAHELPER"); - ntStatus = IoDeleteSymbolicLink (&DeviceLinkUnicodeString); - - if (NT_SUCCESS(ntStatus)){ - IoDeleteDevice (DriverObject->DeviceObject); - } - else { - OutputDebugString ("dhahelper: IoDeleteSymbolicLink failed"); - } - OutputDebugString ("dhahelper: leaving dhahelperunload"); -} - - - - - - -/************************* memory mapping functions ******************************/ -//unlike the functions of other io helpers these functions allow to map adapter memory on windows xp -//even if it has alread been mapped by the original driver -//the technique used is described in -//http://support.microsoft.com/default.aspx?scid=kb;en-us;q189327 -//furthermore it keeps a list of mapped areas to free them when the driver gets unloaded -//I'm not sure what the limitations of ZwMapViewOfSection are but mapping 128MB videoram (that is probably already mapped by the gfxcard driver) -//won't work so it is generally a good idea to map only the memory you really need - -static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemSizeInBytes,PVOID *PhysMemLin){ - alloc_priv* alloclisttmp; - PMDL Mdl=NULL; - PVOID SystemVirtualAddress=NULL; - PVOID UserVirtualAddress=NULL; - PHYSICAL_ADDRESS pStartPhysAddress; - OutputDebugString ("dhahelper: entering MapPhysicalMemoryToLinearSpace"); - - pStartPhysAddress.QuadPart = (ULONGLONG)pPhysAddress; - __try { - SystemVirtualAddress=MmMapIoSpace(pStartPhysAddress,PhysMemSizeInBytes, /*MmWriteCombined*/MmNonCached); - if(!SystemVirtualAddress){ - OutputDebugString("dhahelper: MmMapIoSpace failed"); - return STATUS_INVALID_PARAMETER; - } - OutputDebugString("dhahelper: SystemVirtualAddress 0x%x",SystemVirtualAddress); - Mdl=IoAllocateMdl(SystemVirtualAddress, PhysMemSizeInBytes, FALSE, FALSE,NULL); - if(!Mdl){ - OutputDebugString("dhahelper: IoAllocateMdl failed"); - return STATUS_INSUFFICIENT_RESOURCES; - } - OutputDebugString("dhahelper: Mdl 0x%x",Mdl); - MmBuildMdlForNonPagedPool(Mdl); - UserVirtualAddress = (PVOID)(((ULONG)PAGE_ALIGN(MmMapLockedPages(Mdl,UserMode))) + MmGetMdlByteOffset(Mdl)); - if(!UserVirtualAddress){ - OutputDebugString("dhahelper: MmMapLockedPages failed"); - return STATUS_INSUFFICIENT_RESOURCES; - } - OutputDebugString("dhahelper: UserVirtualAddress 0x%x",UserVirtualAddress); - }__except(EXCEPTION_EXECUTE_HANDLER){ - NTSTATUS ntStatus; - ntStatus = GetExceptionCode(); - OutputDebugString("dhahelper: MapPhysicalMemoryToLinearSpace failed due to exception 0x%0x\n", ntStatus); - return ntStatus; - } - - - OutputDebugString("dhahelper: adding data to internal allocation list"); - alloclisttmp=MmAllocateNonCachedMemory((alloccount+1)*sizeof(alloc_priv)); - - - if(!alloclisttmp){ - OutputDebugString("dhahelper: not enough memory to create temporary allocation list"); - MmUnmapLockedPages(UserVirtualAddress, Mdl); - IoFreeMdl(Mdl); - return STATUS_INSUFFICIENT_RESOURCES; - } - if(alloccount){ - memcpy(alloclisttmp,alloclist,alloccount * sizeof(alloc_priv)); - MmFreeNonCachedMemory(alloclist,alloccount*sizeof(alloc_priv)); - } - alloclist=alloclisttmp; - alloclist[alloccount].Mdl=Mdl; - alloclist[alloccount].SystemVirtualAddress=SystemVirtualAddress; - alloclist[alloccount].UserVirtualAddress=UserVirtualAddress; - alloclist[alloccount].PhysMemSizeInBytes=PhysMemSizeInBytes; - ++alloccount; - - *PhysMemLin=UserVirtualAddress; - - OutputDebugString("dhahelper: leaving MapPhysicalMemoryToLinearSpace"); - return STATUS_SUCCESS; -} - -static NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress){ - unsigned int i; - unsigned int x=0; - unsigned int alloccounttmp=alloccount; - OutputDebugString("dhahelper: entering UnmapPhysicalMemory to unmapp 0x%x",UserVirtualAddress); - if(!alloccount){ - OutputDebugString("dhahelper: UnmapPhysicalMemory: nothing todo -> leaving..."); - return STATUS_SUCCESS; - } - - for(i=0;i<alloccount;i++){ - if(alloclist[i].UserVirtualAddress!=UserVirtualAddress){ - if(x!=i){ - alloclist[x].Mdl=alloclist[i].Mdl; - alloclist[x].SystemVirtualAddress=alloclist[i].SystemVirtualAddress; - alloclist[x].UserVirtualAddress=alloclist[i].UserVirtualAddress; - alloclist[x].PhysMemSizeInBytes=alloclist[i].PhysMemSizeInBytes; - - } - x++; - } - else if(alloclist[i].UserVirtualAddress==UserVirtualAddress){ - if(x==i){ - __try { - MmUnmapLockedPages(alloclist[x].UserVirtualAddress, alloclist[x].Mdl); - IoFreeMdl(alloclist[x].Mdl); - MmUnmapIoSpace(alloclist[x].SystemVirtualAddress,alloclist[x].PhysMemSizeInBytes); - }__except(EXCEPTION_EXECUTE_HANDLER){ - NTSTATUS ntStatus; - ntStatus = GetExceptionCode(); - OutputDebugString("dhahelper: UnmapPhysicalMemory failed due to exception 0x%0x (Mdl 0x%x)\n", ntStatus,alloclist[x].Mdl); - return ntStatus; - } - } - alloccounttmp--; - } - - } - - if(alloccounttmp){ - alloc_priv* alloclisttmp; - alloclisttmp=MmAllocateNonCachedMemory(alloccounttmp*sizeof(alloc_priv)); - if(!alloclisttmp){ - OutputDebugString("dhahelper: not enough memory to create temporary allocation list"); - return STATUS_INSUFFICIENT_RESOURCES; - } - memcpy(alloclisttmp,alloclist,alloccounttmp * sizeof(alloc_priv)); - MmFreeNonCachedMemory(alloclist,alloccount*sizeof(alloc_priv)); - alloclist=alloclisttmp; - } - alloccount=alloccounttmp; - - OutputDebugString("dhahelper: leaving UnmapPhysicalMemory"); - return STATUS_SUCCESS; -} diff --git a/libdha/dhahelperwin/dhahelper.h b/libdha/dhahelperwin/dha |