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![Eric Pouech](/assets/img/avatar_default.png)
Signed-off-by: Eric Pouech <eric.pouech@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
472 lines
17 KiB
C
472 lines
17 KiB
C
/*
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* VMM VxD implementation
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*
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* Copyright 1998 Marcus Meissner
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* Copyright 1998 Ulrich Weigand
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* Copyright 1998 Patrik Stridvall
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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 <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(vxd);
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/*
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* VMM VxDCall service names are (mostly) taken from Stan Mitchell's
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* "Inside the Windows 95 File System"
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*/
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#define N_VMM_SERVICE 41
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static const char * const VMM_Service_Name[N_VMM_SERVICE] =
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{
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"PageReserve", /* 0x0000 */
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"PageCommit", /* 0x0001 */
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"PageDecommit", /* 0x0002 */
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"PagerRegister", /* 0x0003 */
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"PagerQuery", /* 0x0004 */
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"HeapAllocate", /* 0x0005 */
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"ContextCreate", /* 0x0006 */
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"ContextDestroy", /* 0x0007 */
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"PageAttach", /* 0x0008 */
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"PageFlush", /* 0x0009 */
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"PageFree", /* 0x000A */
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"ContextSwitch", /* 0x000B */
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"HeapReAllocate", /* 0x000C */
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"PageModifyPermissions", /* 0x000D */
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"PageQuery", /* 0x000E */
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"GetCurrentContext", /* 0x000F */
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"HeapFree", /* 0x0010 */
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"RegOpenKey", /* 0x0011 */
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"RegCreateKey", /* 0x0012 */
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"RegCloseKey", /* 0x0013 */
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"RegDeleteKey", /* 0x0014 */
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"RegSetValue", /* 0x0015 */
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"RegDeleteValue", /* 0x0016 */
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"RegQueryValue", /* 0x0017 */
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"RegEnumKey", /* 0x0018 */
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"RegEnumValue", /* 0x0019 */
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"RegQueryValueEx", /* 0x001A */
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"RegSetValueEx", /* 0x001B */
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"RegFlushKey", /* 0x001C */
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"RegQueryInfoKey", /* 0x001D */
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"GetDemandPageInfo", /* 0x001E */
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"BlockOnID", /* 0x001F */
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"SignalID", /* 0x0020 */
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"RegLoadKey", /* 0x0021 */
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"RegUnLoadKey", /* 0x0022 */
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"RegSaveKey", /* 0x0023 */
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"RegRemapPreDefKey", /* 0x0024 */
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"PageChangePager", /* 0x0025 */
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"RegQueryMultipleValues", /* 0x0026 */
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"RegReplaceKey", /* 0x0027 */
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"<KERNEL32.101>" /* 0x0028 -- What does this do??? */
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};
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/* PageReserve arena values */
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#define PR_PRIVATE 0x80000400 /* anywhere in private arena */
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#define PR_SHARED 0x80060000 /* anywhere in shared arena */
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#define PR_SYSTEM 0x80080000 /* anywhere in system arena */
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/* PageReserve flags */
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#define PR_FIXED 0x00000008 /* don't move during PageReAllocate */
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#define PR_4MEG 0x00000001 /* allocate on 4mb boundary */
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#define PR_STATIC 0x00000010 /* see PageReserve documentation */
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/* PageCommit default pager handle values */
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#define PD_ZEROINIT 0x00000001 /* swappable zero-initialized pages */
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#define PD_NOINIT 0x00000002 /* swappable uninitialized pages */
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#define PD_FIXEDZERO 0x00000003 /* fixed zero-initialized pages */
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#define PD_FIXED 0x00000004 /* fixed uninitialized pages */
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/* PageCommit flags */
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#define PC_FIXED 0x00000008 /* pages are permanently locked */
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#define PC_LOCKED 0x00000080 /* pages are made present and locked */
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#define PC_LOCKEDIFDP 0x00000100 /* pages are locked if swap via DOS */
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#define PC_WRITABLE 0x00020000 /* make the pages writable */
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#define PC_USER 0x00040000 /* make the pages ring 3 accessible */
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#define PC_INCR 0x40000000 /* increment "pagerdata" each page */
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#define PC_PRESENT 0x80000000 /* make pages initially present */
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#define PC_STATIC 0x20000000 /* allow commit in PR_STATIC object */
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#define PC_DIRTY 0x08000000 /* make pages initially dirty */
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#define PC_CACHEDIS 0x00100000 /* Allocate uncached pages - new for WDM */
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#define PC_CACHEWT 0x00080000 /* Allocate write through cache pages - new for WDM */
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#define PC_PAGEFLUSH 0x00008000 /* Touch device mapped pages on alloc - new for WDM */
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/* PageCommitContig additional flags */
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#define PCC_ZEROINIT 0x00000001 /* zero-initialize new pages */
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#define PCC_NOLIN 0x10000000 /* don't map to any linear address */
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static const DWORD page_size = 0x1000; /* we only care about x86 */
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/* Pop a DWORD from the 32-bit stack */
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static inline DWORD stack32_pop( CONTEXT *context )
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{
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DWORD ret = *(DWORD *)context->Esp;
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context->Esp += sizeof(DWORD);
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return ret;
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}
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/***********************************************************************
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* VxDCall (VMM.VXD.@)
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*/
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DWORD WINAPI VMM_VxDCall( DWORD service, CONTEXT *context )
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{
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static int warned;
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switch ( LOWORD(service) )
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{
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case 0x0000: /* PageReserve */
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{
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LPVOID address;
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LPVOID ret;
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ULONG page = stack32_pop( context );
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ULONG npages = stack32_pop( context );
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ULONG flags = stack32_pop( context );
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TRACE("PageReserve: page: %08lx, npages: %08lx, flags: %08lx partial stub!\n",
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page, npages, flags );
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if ( page == PR_SYSTEM ) {
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ERR("Can't reserve ring 1 memory\n");
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return -1;
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}
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/* FIXME: This has to be handled separately for the separate
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address-spaces we now have */
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if ( page == PR_PRIVATE || page == PR_SHARED ) page = 0;
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/* FIXME: Handle flags in some way */
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address = (LPVOID )(page * page_size);
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ret = VirtualAlloc ( address, npages * page_size, MEM_RESERVE, PAGE_EXECUTE_READWRITE );
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TRACE("PageReserve: returning: %p\n", ret );
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if ( ret == NULL )
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return -1;
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else
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return (DWORD )ret;
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}
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case 0x0001: /* PageCommit */
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{
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LPVOID address;
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LPVOID ret;
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DWORD virt_perm;
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ULONG page = stack32_pop( context );
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ULONG npages = stack32_pop( context );
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ULONG hpd = stack32_pop( context );
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ULONG pagerdata = stack32_pop( context );
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ULONG flags = stack32_pop( context );
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TRACE("PageCommit: page: %08lx, npages: %08lx, hpd: %08lx pagerdata: "
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"%08lx, flags: %08lx partial stub\n",
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page, npages, hpd, pagerdata, flags );
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if ( flags & PC_USER )
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if ( flags & PC_WRITABLE )
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virt_perm = PAGE_EXECUTE_READWRITE;
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else
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virt_perm = PAGE_EXECUTE_READ;
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else
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virt_perm = PAGE_NOACCESS;
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address = (LPVOID )(page * page_size);
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ret = VirtualAlloc ( address, npages * page_size, MEM_COMMIT, virt_perm );
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TRACE("PageCommit: Returning: %p\n", ret );
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return (DWORD )ret;
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}
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case 0x0002: /* PageDecommit */
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{
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LPVOID address;
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BOOL ret;
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ULONG page = stack32_pop( context );
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ULONG npages = stack32_pop( context );
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ULONG flags = stack32_pop( context );
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TRACE("PageDecommit: page: %08lx, npages: %08lx, flags: %08lx partial stub\n",
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page, npages, flags );
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address = (LPVOID )( page * page_size );
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ret = VirtualFree ( address, npages * page_size, MEM_DECOMMIT );
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TRACE("PageDecommit: Returning: %s\n", ret ? "TRUE" : "FALSE" );
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return ret;
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}
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case 0x000d: /* PageModifyPermissions */
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{
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DWORD pg_old_perm;
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DWORD pg_new_perm;
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DWORD virt_old_perm;
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DWORD virt_new_perm;
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MEMORY_BASIC_INFORMATION mbi;
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LPVOID address;
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ULONG page = stack32_pop ( context );
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ULONG npages = stack32_pop ( context );
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ULONG permand = stack32_pop ( context );
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ULONG permor = stack32_pop ( context );
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TRACE("PageModifyPermissions %08lx %08lx %08lx %08lx partial stub\n",
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page, npages, permand, permor );
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address = (LPVOID )( page * page_size );
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VirtualQuery ( address, &mbi, sizeof ( MEMORY_BASIC_INFORMATION ));
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virt_old_perm = mbi.Protect;
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switch ( virt_old_perm & mbi.Protect ) {
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case PAGE_READONLY:
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case PAGE_EXECUTE:
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case PAGE_EXECUTE_READ:
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pg_old_perm = PC_USER;
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break;
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case PAGE_READWRITE:
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case PAGE_WRITECOPY:
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case PAGE_EXECUTE_READWRITE:
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case PAGE_EXECUTE_WRITECOPY:
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pg_old_perm = PC_USER | PC_WRITABLE;
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break;
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case PAGE_NOACCESS:
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default:
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pg_old_perm = 0;
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break;
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}
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pg_new_perm = pg_old_perm;
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pg_new_perm &= permand & ~PC_STATIC;
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pg_new_perm |= permor & ~PC_STATIC;
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virt_new_perm = ( virt_old_perm ) & ~0xff;
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if ( pg_new_perm & PC_USER )
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{
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if ( pg_new_perm & PC_WRITABLE )
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virt_new_perm |= PAGE_EXECUTE_READWRITE;
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else
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virt_new_perm |= PAGE_EXECUTE_READ;
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}
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if ( ! VirtualProtect ( address, npages * page_size, virt_new_perm, &virt_old_perm ) ) {
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ERR("Can't change page permissions for %p\n", address );
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return 0xffffffff;
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}
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TRACE("Returning: %08lx\n", pg_old_perm );
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return pg_old_perm;
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}
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case 0x000a: /* PageFree */
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{
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BOOL ret;
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LPVOID hmem = (LPVOID) stack32_pop( context );
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DWORD flags = stack32_pop( context );
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TRACE("PageFree: hmem: %p, flags: %08lx partial stub\n",
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hmem, flags );
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ret = VirtualFree ( hmem, 0, MEM_RELEASE );
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TRACE("Returning: %d\n", ret );
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return ret;
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}
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case 0x0011: /* RegOpenKey */
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stack32_pop( context ); /* kkey */
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stack32_pop( context ); /* lpszSubKey */
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stack32_pop( context ); /* retkey */
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/* return RegOpenKeyExA( hkey, lpszSubKey, 0, KEY_ALL_ACCESS, retkey ); */
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if (!warned)
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{
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ERR( "Using the native Win95 advapi32.dll is no longer supported.\n" );
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ERR( "Please configure advapi32 to builtin.\n" );
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warned++;
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}
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x0012: /* RegCreateKey */
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stack32_pop( context ); /* hkey */
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stack32_pop( context ); /* lpszSubKey */
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stack32_pop( context ); /* retkey */
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/* return RegCreateKeyA( hkey, lpszSubKey, retkey ); */
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if (!warned)
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{
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ERR( "Using the native Win95 advapi32.dll is no longer supported.\n" );
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ERR( "Please configure advapi32 to builtin.\n" );
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warned++;
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}
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x0013: /* RegCloseKey */
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stack32_pop( context ); /* hkey */
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/* return RegCloseKey( hkey ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x0014: /* RegDeleteKey */
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stack32_pop( context ); /* hkey */
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stack32_pop( context ); /* lpszSubKey */
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/* return RegDeleteKeyA( hkey, lpszSubKey ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x0015: /* RegSetValue */
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stack32_pop( context ); /* hkey */
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stack32_pop( context ); /* lpszSubKey */
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stack32_pop( context ); /* dwType */
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stack32_pop( context ); /* lpszData */
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stack32_pop( context ); /* cbData */
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/* return RegSetValueA( hkey, lpszSubKey, dwType, lpszData, cbData ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x0016: /* RegDeleteValue */
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stack32_pop( context ); /* hkey */
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stack32_pop( context ); /* lpszValue */
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/* return RegDeleteValueA( hkey, lpszValue ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x0017: /* RegQueryValue */
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stack32_pop( context ); /* hkey */
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stack32_pop( context ); /* lpszSubKey */
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stack32_pop( context ); /* lpszData */
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stack32_pop( context ); /* lpcbData */
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/* return RegQueryValueA( hkey, lpszSubKey, lpszData, lpcbData ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x0018: /* RegEnumKey */
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stack32_pop( context ); /* hkey */
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stack32_pop( context ); /* iSubkey */
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stack32_pop( context ); /* lpszName */
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stack32_pop( context ); /* lpcchName */
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/* return RegEnumKeyA( hkey, iSubkey, lpszName, lpcchName ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x0019: /* RegEnumValue */
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stack32_pop( context ); /* hkey */
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stack32_pop( context ); /* iValue */
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stack32_pop( context ); /* lpszValue */
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stack32_pop( context ); /* lpcchValue */
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stack32_pop( context ); /* lpReserved */
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stack32_pop( context ); /* lpdwType */
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stack32_pop( context ); /* lpbData */
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stack32_pop( context ); /* lpcbData */
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/* return RegEnumValueA( hkey, iValue, lpszValue, lpcchValue, lpReserved, lpdwType, lpbData, lpcbData ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x001A: /* RegQueryValueEx */
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stack32_pop( context ); /* hkey */
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stack32_pop( context ); /* lpszValue */
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stack32_pop( context ); /* lpReserved */
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stack32_pop( context ); /* lpdwType */
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stack32_pop( context ); /* lpbData */
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stack32_pop( context ); /* lpcbData */
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/* return RegQueryValueExA( hkey, lpszValue, lpReserved, lpdwType, lpbData, lpcbData ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x001B: /* RegSetValueEx */
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stack32_pop( context ); /* hkey */
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stack32_pop( context ); /* lpszValue */
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stack32_pop( context ); /* dwReserved */
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stack32_pop( context ); /* dwType */
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stack32_pop( context ); /* lpbData */
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stack32_pop( context ); /* cbData */
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/* return RegSetValueExA( hkey, lpszValue, dwReserved, dwType, lpbData, cbData ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x001C: /* RegFlushKey */
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stack32_pop( context ); /* hkey */
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/* return RegFlushKey( hkey ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x001D: /* RegQueryInfoKey */
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/* NOTE: This VxDCall takes only a subset of the parameters that the
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corresponding Win32 API call does. The implementation in Win95
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ADVAPI32 sets all output parameters not mentioned here to zero. */
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stack32_pop( context ); /* hkey */
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stack32_pop( context ); /* lpcSubKeys */
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stack32_pop( context ); /* lpcchMaxSubKey */
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stack32_pop( context ); /* lpcValues */
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stack32_pop( context ); /* lpcchMaxValueName */
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stack32_pop( context ); /* lpcchMaxValueData */
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/* return RegQueryInfoKeyA( hkey, lpcSubKeys, lpcchMaxSubKey, lpcValues, lpcchMaxValueName, lpcchMaxValueData ); */
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return ERROR_CALL_NOT_IMPLEMENTED;
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case 0x001e: /* GetDemandPageInfo */
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{
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DWORD dinfo = stack32_pop( context );
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DWORD flags = stack32_pop( context );
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/* GetDemandPageInfo is supposed to fill out the struct at
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* "dinfo" with various low-level memory management information.
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* Apps are certainly not supposed to call this, although it's
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* demoed and documented by Pietrek on pages 441-443 of "Windows
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* 95 System Programming Secrets" if any program needs a real
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* implementation of this.
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*/
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FIXME("GetDemandPageInfo(%08lx %08lx): stub!\n", dinfo, flags);
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return 0;
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}
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case 0x0021: /* RegLoadKey */
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{
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HKEY hkey = (HKEY) stack32_pop( context );
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LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
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LPCSTR lpszFile = (LPCSTR)stack32_pop( context );
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FIXME("RegLoadKey(%p,%s,%s): stub\n",hkey, debugstr_a(lpszSubKey), debugstr_a(lpszFile));
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return ERROR_CALL_NOT_IMPLEMENTED;
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}
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case 0x0022: /* RegUnLoadKey */
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{
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HKEY hkey = (HKEY) stack32_pop( context );
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LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
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FIXME("RegUnLoadKey(%p,%s): stub\n",hkey, debugstr_a(lpszSubKey));
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return ERROR_CALL_NOT_IMPLEMENTED;
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}
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case 0x0023: /* RegSaveKey */
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{
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HKEY hkey = (HKEY) stack32_pop( context );
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LPCSTR lpszFile = (LPCSTR)stack32_pop( context );
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LPSECURITY_ATTRIBUTES sa = (LPSECURITY_ATTRIBUTES)stack32_pop( context );
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FIXME("RegSaveKey(%p,%s,%p): stub\n",hkey, debugstr_a(lpszFile),sa);
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return ERROR_CALL_NOT_IMPLEMENTED;
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}
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#if 0 /* Functions are not yet implemented in misc/registry.c */
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case 0x0024: /* RegRemapPreDefKey */
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case 0x0026: /* RegQueryMultipleValues */
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#endif
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case 0x0027: /* RegReplaceKey */
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{
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HKEY hkey = (HKEY) stack32_pop( context );
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LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
|
|
LPCSTR lpszNewFile= (LPCSTR)stack32_pop( context );
|
|
LPCSTR lpszOldFile= (LPCSTR)stack32_pop( context );
|
|
FIXME("RegReplaceKey(%p,%s,%s,%s): stub\n", hkey, debugstr_a(lpszSubKey),
|
|
debugstr_a(lpszNewFile),debugstr_a(lpszOldFile));
|
|
return ERROR_CALL_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
default:
|
|
if (LOWORD(service) < N_VMM_SERVICE)
|
|
FIXME( "Unimplemented service %s (%08lx)\n",
|
|
VMM_Service_Name[LOWORD(service)], service);
|
|
else
|
|
FIXME( "Unknown service %08lx\n", service);
|
|
return 0xffffffff; /* FIXME */
|
|
}
|
|
}
|