forked from Mirrors/wine-wine
Implemented parts of _PageReserve() _PageCommit() _PageDecommit()
_PageChangePermissions() and _PageFree() using the Virtual*()-Functions (with the great help of Ulrich Weigand).oldstable
Peter Ganten
Alexandre Julliard
parent
3531ea5501
commit
be728f10bf
186
win32/device.c
186
win32/device.c
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@ -37,6 +37,7 @@
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#include "stackframe.h"
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#include "server.h"
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#include "debugtools.h"
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#include "global.h"
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DEFAULT_DEBUG_CHANNEL(win32)
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@ -248,7 +249,7 @@ LPCSTR VMM_Service_Name[N_VMM_SERVICE] =
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"PageFree", /* 0x000A */
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"ContextSwitch", /* 0x000B */
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"HeapReAllocate", /* 0x000C */
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"PageModifyPerm", /* 0x000D */
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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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@ -278,6 +279,42 @@ LPCSTR VMM_Service_Name[N_VMM_SERVICE] =
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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_WRITEABLE 0x00020000 /* make the pages writeable */
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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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HANDLE DEVICE_Open( LPCSTR filename, DWORD access,
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LPSECURITY_ATTRIBUTES sa )
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{
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@ -628,6 +665,153 @@ static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context )
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LPCSTR lpszOldFile= (LPCSTR)stack32_pop( context );
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return RegReplaceKeyA( hkey, lpszSubKey, lpszNewFile, lpszOldFile );
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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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DWORD psize = VIRTUAL_GetPageSize();
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ULONG page = (ULONG) stack32_pop( context );
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ULONG npages = (ULONG) stack32_pop( context );
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ULONG flags = (ULONG) stack32_pop( context );
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FIXME("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 seperatly, when we have seperate
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address-spaces */
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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 * psize);
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ret = VirtualAlloc ( address, ( npages * psize ), MEM_RESERVE, 0 );
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FIXME("PageReserve: returning: %08lx\n", (DWORD )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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DWORD psize = VIRTUAL_GetPageSize();
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ULONG page = (ULONG) stack32_pop( context );
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ULONG npages = (ULONG) stack32_pop( context );
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ULONG hpd = (ULONG) stack32_pop( context );
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ULONG pagerdata = (ULONG) stack32_pop( context );
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ULONG flags = (ULONG) stack32_pop( context );
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FIXME("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_WRITEABLE )
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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 * psize);
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ret = VirtualAlloc ( address, ( npages * psize ), MEM_COMMIT, virt_perm );
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FIXME("PageCommit: Returning: %08lx\n", (DWORD )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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DWORD psize = VIRTUAL_GetPageSize();
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ULONG page = (ULONG) stack32_pop( context );
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ULONG npages = (ULONG) stack32_pop( context );
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ULONG flags = (ULONG) stack32_pop( context );
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FIXME("PageDecommit: page: %08lx, npages: %08lx, flags: %08lx partial stub\n",
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page, npages, flags );
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address = (LPVOID )( page * psize );
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ret = VirtualFree ( address, ( npages * psize ), MEM_DECOMMIT );
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FIXME("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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DWORD psize = VIRTUAL_GetPageSize();
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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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FIXME("PageModifyPermissions %08lx %08lx %08lx %08lx partial stub\n",
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page, npages, permand, permor );
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address = (LPVOID )( page * psize );
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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_WRITEABLE;
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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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if ( pg_new_perm & PC_WRITEABLE )
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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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if ( ! VirtualProtect ( address, ( npages * psize ), virt_new_perm, &virt_old_perm ) ) {
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ERR("Can't change page permissions for %08lx\n", (DWORD )address );
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return 0xffffffff;
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}
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FIXME("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 = (DWORD ) stack32_pop( context );
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FIXME("PageFree: hmem: %08lx, flags: %08lx partial stub\n",
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(DWORD )hmem, flags );
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ret = VirtualFree ( hmem, 0, MEM_RELEASE );
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EAX_reg( context ) = ret;
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FIXME("Returning: %d\n", ret );
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return 0;
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}
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default:
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if (LOWORD(service) < N_VMM_SERVICE)
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