Ros-diffs January 2010

ros-diffs@reactos.org

26 participants
522 discussions

[mkupfer] 45036: - fixes issue with cancel button - fixes problems with unattended mode - temporarily enable device listing (setupapi)
by mkupfer＠svn.reactos.org 10 Jan '10

10 Jan '10

Author: mkupfer Date: Mon Jan 11 00:22:01 2010 New Revision: 45036 URL: http://svn.reactos.org/svn/reactos?rev=45036&view=rev Log: - fixes issue with cancel button - fixes problems with unattended mode - temporarily enable device listing (setupapi) Modified: trunk/reactos/base/setup/reactos/reactos.c Modified: trunk/reactos/base/setup/reactos/reactos.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/setup/reactos/reactos… ============================================================================== --- trunk/reactos/base/setup/reactos/reactos.c [iso-8859-1] (original) +++ trunk/reactos/base/setup/reactos/reactos.c [iso-8859-1] Mon Jan 11 00:22:01 2010 @@ -668,7 +668,7 @@ WPARAM wParam, LPARAM lParam) { -#if 0 +#if 1 HDEVINFO h; HWND hList; SP_DEVINFO_DATA DevInfoData; @@ -692,7 +692,7 @@ WM_SETFONT, (WPARAM)hTitleFont, (LPARAM)TRUE);*/ -#if 0 +#if 1 h = SetupDiGetClassDevs(&GUID_DEVCLASS_DISKDRIVE, NULL, NULL, DIGCF_PRESENT); if (h != INVALID_HANDLE_VALUE) { @@ -805,10 +805,6 @@ dwStyle = GetWindowLongPtr(hwndControl, GWL_STYLE); SetWindowLongPtr(hwndControl, GWL_STYLE, dwStyle & ~WS_SYSMENU); - hwndControl = GetDlgItem(GetParent(hwndDlg), IDCANCEL); - ShowWindow(hwndControl, SW_HIDE); - EnableWindow(hwndControl, FALSE); - /* Set title font */ /*SendDlgItemMessage(hwndDlg, IDC_STARTTITLE, @@ -828,6 +824,14 @@ PropSheet_SetWizButtons(GetParent(hwndDlg), PSWIZB_NEXT | PSWIZB_BACK); break; + case PSN_QUERYCANCEL: + SetWindowLongPtr(hwndDlg, + DWL_MSGRESULT, + MessageBox(GetParent(hwndDlg), + abort_msg, + abort_title, + MB_YESNO | MB_ICONQUESTION) != IDYES); + return TRUE; default: break; } @@ -859,10 +863,6 @@ dwStyle = GetWindowLongPtr(hwndControl, GWL_STYLE); SetWindowLongPtr(hwndControl, GWL_STYLE, dwStyle & ~WS_SYSMENU); - hwndControl = GetDlgItem(GetParent(hwndDlg), IDCANCEL); - ShowWindow(hwndControl, SW_HIDE); - EnableWindow(hwndControl, FALSE); - /* Set title font */ /*SendDlgItemMessage(hwndDlg, IDC_STARTTITLE, @@ -883,7 +883,14 @@ // disable all buttons during installation process // PropSheet_SetWizButtons(GetParent(hwndDlg), 0 ); break; - + case PSN_QUERYCANCEL: + SetWindowLongPtr(hwndDlg, + DWL_MSGRESULT, + MessageBox(GetParent(hwndDlg), + abort_msg, + abort_title, + MB_YESNO | MB_ICONQUESTION) != IDYES); + return TRUE; default: break; } @@ -916,6 +923,10 @@ dwStyle = GetWindowLongPtr(hwndControl, GWL_STYLE); SetWindowLongPtr(hwndControl, GWL_STYLE, dwStyle & ~WS_SYSMENU); + hwndControl = GetDlgItem(GetParent(hwndDlg), IDCANCEL); + ShowWindow(hwndControl, SW_HIDE); + EnableWindow(hwndControl, FALSE); + /* Set title font */ /*SendDlgItemMessage(hwndDlg, IDC_STARTTITLE, @@ -1194,10 +1205,10 @@ hInstance = hInst; isUnattend = isUnattendSetup(); + LoadString(hInst,IDS_ABORTSETUP, abort_msg, sizeof(abort_msg)/sizeof(TCHAR)); + LoadString(hInst,IDS_ABORTSETUP2, abort_title,sizeof(abort_title)/sizeof(TCHAR)); if (!isUnattend) { - LoadString(hInst,IDS_ABORTSETUP, abort_msg, sizeof(abort_msg)/sizeof(TCHAR)); - LoadString(hInst,IDS_ABORTSETUP2, abort_title,sizeof(abort_title)/sizeof(TCHAR)); LoadSetupData(); @@ -1277,19 +1288,16 @@ psp.pszTemplate = MAKEINTRESOURCE(IDD_PROCESSPAGE); ahpsp[nPages++] = CreatePropertySheetPage(&psp); - if (!isUnattend) - { - /* Create finish to reboot page */ - psp.dwSize = sizeof(PROPSHEETPAGE); - psp.dwFlags = PSP_DEFAULT | PSP_USEHEADERTITLE | PSP_USEHEADERSUBTITLE; - psp.pszHeaderTitle = MAKEINTRESOURCE(IDS_RESTARTTITLE); - psp.pszHeaderSubTitle = MAKEINTRESOURCE(IDS_RESTARTSUBTITLE); - psp.hInstance = hInst; - psp.lParam = 0; - psp.pfnDlgProc = RestartDlgProc; - psp.pszTemplate = MAKEINTRESOURCE(IDD_RESTARTPAGE); - ahpsp[nPages++] = CreatePropertySheetPage(&psp); - } + /* Create finish to reboot page */ + psp.dwSize = sizeof(PROPSHEETPAGE); + psp.dwFlags = PSP_DEFAULT | PSP_USEHEADERTITLE | PSP_USEHEADERSUBTITLE; + psp.pszHeaderTitle = MAKEINTRESOURCE(IDS_RESTARTTITLE); + psp.pszHeaderSubTitle = MAKEINTRESOURCE(IDS_RESTARTSUBTITLE); + psp.hInstance = hInst; + psp.lParam = 0; + psp.pfnDlgProc = RestartDlgProc; + psp.pszTemplate = MAKEINTRESOURCE(IDD_RESTARTPAGE); + ahpsp[nPages++] = CreatePropertySheetPage(&psp); /* Create the property sheet */ psh.dwSize = sizeof(PROPSHEETHEADER);

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[mkupfer] 45035: -set fix line endings to preserve windows line endings
by mkupfer＠svn.reactos.org 10 Jan '10

10 Jan '10

Author: mkupfer Date: Sun Jan 10 21:43:27 2010 New Revision: 45035 URL: http://svn.reactos.org/svn/reactos?rev=45035&view=rev Log: -set fix line endings to preserve windows line endings Modified: trunk/reactos/boot/bootdata/readme.txt (contents, props changed) Modified: trunk/reactos/boot/bootdata/readme.txt URL: http://svn.reactos.org/svn/reactos/trunk/reactos/boot/bootdata/readme.txt?r… ============================================================================== --- trunk/reactos/boot/bootdata/readme.txt [iso-8859-1] (original) +++ trunk/reactos/boot/bootdata/readme.txt [iso-8859-1] Sun Jan 10 21:43:27 2010 @@ -1,54 +1,54 @@ -======================== -ReactOS Version 0.3.x -Updated July 28, 2007 -======================== - -1. What is ReactOS? -------------------- - -ReactOS is an Open Source effort to develop a quality operating system that is -compatible with applications and drivers written for the Microsoft Windows NT -family of operating systems (NT4, 2000, XP, 2003, Vista). - -Website: http://www.reactos.org/ - - -2. Relationship with the WINE project -------------------------------------- - -ReactOS has always intended to work with the WINE project to share as much -programming effort as possible. This mainly concerns User Mode DLLs and -still happens to a degree today. Other areas of cooperation lie in -applications and testing suites. - - -3. Future compatibility ------------------------ - -The ReactOS project, although currently focused on Windows XP -compatibility, is always keeping an eye toward compatibility with -Windows Vista and future Windows NT releases. - - -4. Supporting other System Applications ---------------------------------------- - -The Windows NT architecture allows for subsystems, as does the ReactOS -architecture. A subsystem is an implementation of the APIs of another -operating system, allowing ReactOS to run applications from other systems. We -are already looking at subsystems for: Java, OS/2, and DOS and possibly others -in the future. - - -5. Tutorials ------------- - -Developer and User Tutorials: http://www.reactos.org/wiki/index.php/Main_Page - -The tutorials contain more information on the project, compiling and testing -ReactOS - among other topics. Contributors to the project are always welcome. - -6. Author ---------- - +======================== +ReactOS Version 0.3.x +Updated July 28, 2007 +======================== + +1. What is ReactOS? +------------------- + +ReactOS is an Open Source effort to develop a quality operating system that is +compatible with applications and drivers written for the Microsoft Windows NT +family of operating systems (NT4, 2000, XP, 2003, Vista). + +Website: http://www.reactos.org/ + + +2. Relationship with the WINE project +------------------------------------- + +ReactOS has always intended to work with the WINE project to share as much +programming effort as possible. This mainly concerns User Mode DLLs and +still happens to a degree today. Other areas of cooperation lie in +applications and testing suites. + + +3. Future compatibility +----------------------- + +The ReactOS project, although currently focused on Windows XP +compatibility, is always keeping an eye toward compatibility with +Windows Vista and future Windows NT releases. + + +4. Supporting other System Applications +--------------------------------------- + +The Windows NT architecture allows for subsystems, as does the ReactOS +architecture. A subsystem is an implementation of the APIs of another +operating system, allowing ReactOS to run applications from other systems. We +are already looking at subsystems for: Java, OS/2, and DOS and possibly others +in the future. + + +5. Tutorials +------------ + +Developer and User Tutorials: http://www.reactos.org/wiki/index.php/Main_Page + +The tutorials contain more information on the project, compiling and testing +ReactOS - among other topics. Contributors to the project are always welcome. + +6. Author +--------- + This document was written by Jason Filby (jasonfilby(a)yahoo.com). Propchange: trunk/reactos/boot/bootdata/readme.txt ------------------------------------------------------------------------------ --- svn:eol-style (original) +++ svn:eol-style Sun Jan 10 21:43:27 2010 @@ -1,1 +1,1 @@ -native +CRLF

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[jimtabor] 45034: [Win32k] - When locking and unlocking regions, no need to use probe to check attribute space first before read or write access. The exception handling is a feature.
by jimtabor＠svn.reactos.org 10 Jan '10

10 Jan '10

Author: jimtabor Date: Sun Jan 10 20:06:07 2010 New Revision: 45034 URL: http://svn.reactos.org/svn/reactos?rev=45034&view=rev Log: [Win32k] - When locking and unlocking regions, no need to use probe to check attribute space first before read or write access. The exception handling is a feature. Modified: trunk/reactos/subsystems/win32/win32k/objects/region.c Modified: trunk/reactos/subsystems/win32/win32k/objects/region.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ob… ============================================================================== --- trunk/reactos/subsystems/win32/win32k/objects/region.c [iso-8859-1] (original) +++ trunk/reactos/subsystems/win32/win32k/objects/region.c [iso-8859-1] Sun Jan 10 20:06:07 2010 @@ -2085,7 +2085,6 @@ PGDI_TABLE_ENTRY Entry; PROSRGNDATA pRgn; PRGN_ATTR pRgn_Attr; - BOOL Hit = FALSE; pRgn = REGION_LockRgn(hRgn); @@ -2101,8 +2100,6 @@ { _SEH2_TRY { - ProbeForWrite(pRgn_Attr, sizeof(RGN_ATTR), 1); - if ( !(pRgn_Attr->AttrFlags & ATTR_CACHED) && pRgn_Attr->AttrFlags & (ATTR_RGN_VALID|ATTR_RGN_DIRTY) ) { @@ -2125,7 +2122,6 @@ } _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) { - Hit = TRUE; } _SEH2_END; @@ -2148,7 +2144,6 @@ INT Index; PGDI_TABLE_ENTRY Entry; PRGN_ATTR pRgn_Attr; - BOOL Hit = FALSE; if (pRgn) { @@ -2162,8 +2157,6 @@ { _SEH2_TRY { - ProbeForWrite(pRgn_Attr, sizeof(RGN_ATTR), 1); - if ( pRgn_Attr->AttrFlags & ATTR_RGN_VALID ) { pRgn_Attr->Flags = REGION_Complexity( pRgn ); @@ -2175,7 +2168,6 @@ } _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) { - Hit = TRUE; } _SEH2_END; } @@ -2525,7 +2517,6 @@ } else { - DPRINT("SetRectRgn NULL Count: %d \n", rgn->rdh.nCount); EMPTY_REGION(rgn); } }

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[jimtabor] 45033: - Update credits.
by jimtabor＠svn.reactos.org 10 Jan '10

10 Jan '10

Author: jimtabor Date: Sun Jan 10 19:52:17 2010 New Revision: 45033 URL: http://svn.reactos.org/svn/reactos?rev=45033&view=rev Log: - Update credits. Modified: trunk/reactos/CREDITS Modified: trunk/reactos/CREDITS URL: http://svn.reactos.org/svn/reactos/trunk/reactos/CREDITS?rev=45033&r1=45032… ============================================================================== --- trunk/reactos/CREDITS [iso-8859-1] (original) +++ trunk/reactos/CREDITS [iso-8859-1] Sun Jan 10 19:52:17 2010 @@ -31,7 +31,7 @@ Hernan Ochoa Herve Poussineau <hpoussin(a)reactos.com> Iwan Fatahi <i_fatahi(a)hotmail.com> -James B. Tabor <jimtabor.rosdev(a)gmail.com> <jimtabor(a)adsl-64-217-116-74.dsl.hstntx.swbell.net> +James Tabor <james.tabor(a)reactos.org> <jimtabor.rosdev(a)gmail.com> <jamestabor_rosdev(a)yahoo.com> Jason Eager Jason Filby <jasonfilby(a)yahoo.com> Jason Weiler

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[spetreolle] 45032: unbreak build
by spetreolle＠svn.reactos.org 10 Jan '10

10 Jan '10

Author: spetreolle Date: Sun Jan 10 18:50:50 2010 New Revision: 45032 URL: http://svn.reactos.org/svn/reactos?rev=45032&view=rev Log: unbreak build Modified: trunk/reactos/ntoskrnl/include/internal/i386/ke.h Modified: trunk/reactos/ntoskrnl/include/internal/i386/ke.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/… ============================================================================== --- trunk/reactos/ntoskrnl/include/internal/i386/ke.h [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/include/internal/i386/ke.h [iso-8859-1] Sun Jan 10 18:50:50 2010 @@ -136,6 +136,7 @@ /* Not yet handled */ \ UNIMPLEMENTED; \ while (TRUE); \ + return TRUE; \ }

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[dreimer] 45031: R.I.P. raddr2line.
by dreimer＠svn.reactos.org 10 Jan '10

10 Jan '10

Author: dreimer Date: Sun Jan 10 17:21:53 2010 New Revision: 45031 URL: http://svn.reactos.org/svn/reactos?rev=45031&view=rev Log: R.I.P. raddr2line. Modified: trunk/tools/RosBE/RosBE-Windows/Powershell/reladdr2line.ps1 trunk/tools/RosBE/RosBE-Windows/Root/ChangeLog.txt trunk/tools/RosBE/RosBE-Windows/Root/raddr2line.cmd trunk/tools/RosBE/RosBE-Windows/RosBE.nsi Modified: trunk/tools/RosBE/RosBE-Windows/Powershell/reladdr2line.ps1 URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-Windows/Powershe… ============================================================================== --- trunk/tools/RosBE/RosBE-Windows/Powershell/reladdr2line.ps1 [iso-8859-1] (original) +++ trunk/tools/RosBE/RosBE-Windows/Powershell/reladdr2line.ps1 [iso-8859-1] Sun Jan 10 17:21:53 2010 @@ -35,11 +35,11 @@ $baseaddr = (objdump -p $FILEPATH | select-string "ImageBase").tostring().split() $baseaddr = "0x" + ($baseaddr.get($baseaddr.length - 1)) if ($baseaddr -lt $ADDRESS) { - IEX "& '$_ROSBE_BASEDIR\Tools\raddr2line.exe' '$FILEPATH' '$ADDRESS'" + IEX "& '$_ROSBE_BASEDIR\Tools\log2lines.exe' '$FILEPATH' '$ADDRESS'" } else { $baseaddr = ($baseaddr | % {[Convert]::ToInt32($_,16)}) + ($ADDRESS | % {[Convert]::ToInt32($_,16)}) $relbase = "0x" + ("{0:X}" -f $baseaddr) - IEX "& '$_ROSBE_BASEDIR\Tools\raddr2line.exe' '$FILEPATH' '$relbase'" + IEX "& '$_ROSBE_BASEDIR\Tools\log2lines.exe' '$FILEPATH' '$relbase'" } $host.ui.RawUI.WindowTitle = "ReactOS Build Environment $_ROSBE_VERSION" Modified: trunk/tools/RosBE/RosBE-Windows/Root/ChangeLog.txt URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-Windows/Root/Cha… ============================================================================== --- trunk/tools/RosBE/RosBE-Windows/Root/ChangeLog.txt [iso-8859-1] (original) +++ trunk/tools/RosBE/RosBE-Windows/Root/ChangeLog.txt [iso-8859-1] Sun Jan 10 17:21:53 2010 @@ -6,7 +6,7 @@ - Updated w32api to 3.14 (Daniel Reimer) - Updated NSIS to 2.46 (Daniel Reimer) - Added Remake command (Daniel Reimer) -- Added log2lines v1.9 to RosBE (Daniel Reimer) +- Replaced raddr2line with log2lines v1.9 (Daniel Reimer) - Added a chinese translation to the options tool (Elton Chung) - Added ARM Arch support to RosBE (Daniel Reimer) - Added ARM Settings to options.exe, too (Daniel Reimer) Modified: trunk/tools/RosBE/RosBE-Windows/Root/raddr2line.cmd URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-Windows/Root/rad… ============================================================================== --- trunk/tools/RosBE/RosBE-Windows/Root/raddr2line.cmd [iso-8859-1] (original) +++ trunk/tools/RosBE/RosBE-Windows/Root/raddr2line.cmd [iso-8859-1] Sun Jan 10 17:21:53 2010 @@ -63,12 +63,12 @@ for /f "tokens=2" %%i in ('"objdump -p "%FILEPATH%" 2>NUL | findstr ImageBase"') do set BASEADDRESS=0x%%i if %%i lss %ADDRESS% ( - "%_ROSBE_BASEDIR%\Tools\raddr2line.exe" "%FILEPATH%" "%ADDRESS%" + "%_ROSBE_BASEDIR%\Tools\log2lines.exe" "%FILEPATH%" "%ADDRESS%" ) else ( set /a BASEADDRESS+=0x%ADDRESS% for /f %%i in ('""%_ROSBE_BASEDIR%\Tools\echoh.exe" !BASEADDRESS!"') do set RELBASE=%%i - "%_ROSBE_BASEDIR%\Tools\raddr2line.exe" "!FILEPATH!" "!RELBASE!" + "%_ROSBE_BASEDIR%\Tools\log2lines.exe" "!FILEPATH!" "!RELBASE!" ) :EOC Modified: trunk/tools/RosBE/RosBE-Windows/RosBE.nsi URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-Windows/RosBE.ns… ============================================================================== --- trunk/tools/RosBE/RosBE-Windows/RosBE.nsi [iso-8859-1] (original) +++ trunk/tools/RosBE/RosBE-Windows/RosBE.nsi [iso-8859-1] Sun Jan 10 17:21:53 2010 @@ -269,7 +269,6 @@ SetOutPath "$INSTDIR\Tools" SetOverwrite try File /r Components\Tools\echoh.exe - File /r Components\Tools\raddr2line.exe File /r Components\Tools\log2lines.exe File /r Components\Tools\chkslash.exe SectionEnd

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[dreimer] 45030: Update changelog for rosbe 1.5. Gettin really close....
by dreimer＠svn.reactos.org 10 Jan '10

10 Jan '10

Author: dreimer Date: Sun Jan 10 16:55:58 2010 New Revision: 45030 URL: http://svn.reactos.org/svn/reactos?rev=45030&view=rev Log: Update changelog for rosbe 1.5. Gettin really close.... Modified: trunk/tools/RosBE/RosBE-Windows/Root/ChangeLog.txt Modified: trunk/tools/RosBE/RosBE-Windows/Root/ChangeLog.txt URL: http://svn.reactos.org/svn/reactos/trunk/tools/RosBE/RosBE-Windows/Root/Cha… ============================================================================== --- trunk/tools/RosBE/RosBE-Windows/Root/ChangeLog.txt [iso-8859-1] (original) +++ trunk/tools/RosBE/RosBE-Windows/Root/ChangeLog.txt [iso-8859-1] Sun Jan 10 16:55:58 2010 @@ -1,22 +1,22 @@ -*** Dec XXth, 2009 - RosBE 1.5 Released - -- Updated Binutils to 2.20.51-20091017 (snapshot) +*** Jan XXth, 2010 - RosBE 1.5 Released + +- Updated Binutils to 2.20.51-20091222 (snapshot) - Updated GCC to 4.4.2 (including backported GCC r153606) -- Updated MinGW Runtime to 3.16 -- Updated w32api to 3.13 +- Updated MinGW Runtime to 3.17 (Daniel Reimer) +- Updated w32api to 3.14 (Daniel Reimer) - Updated NSIS to 2.46 (Daniel Reimer) - Added Remake command (Daniel Reimer) -- Added log2lines v1.8 to RosBE (Daniel Reimer) +- Added log2lines v1.9 to RosBE (Daniel Reimer) - Added a chinese translation to the options tool (Elton Chung) -- Added ARM Arch support to RosBE. (Daniel Reimer) -- Added ARM Settings to options.exe, too. (Daniel Reimer) +- Added ARM Arch support to RosBE (Daniel Reimer) +- Added ARM Settings to options.exe, too (Daniel Reimer) - Fixed a few renaming bugs (Daniel Reimer) -- Fixed makex in the PS Version which was broken due to a "}" too much. (Daniel Reimer) +- Fixed makex in the PS Version which was broken due to a "}" too much (Daniel Reimer) - Moved update Server from funpic.org to bplaced.net. No banners, no ads, no size limit and free!! (Daniel Reimer) -- Rename mingw32-make to make. Its platform independent. (Daniel Reimer) -- Merge the 32 bit and 64 bit options tool in one file. (Daniel Reimer) -- PS1 options script now waits for options.exe closing and then immediately sets all options active. (Daniel Reimer) -- Tidy up existant and add more Target Compiler Paths. (Daniel Reimer) +- Rename mingw32-make to make. Its platform independent (Daniel Reimer) +- Merge the 32 bit and 64 bit options tool in one file (Daniel Reimer) +- PS1 options script now waits for options.exe closing and then immediately sets all options active (Daniel Reimer) +- Tidy up existant and add more Target Compiler Paths (Daniel Reimer) *** Oct 26th, 2009 - RosBE 1.4.5 Released

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[sir_richard] 45029: [NTOS]: Implement all V8086 Opcode emulation in C instead of ASM.
by sir_richard＠svn.reactos.org 10 Jan '10

10 Jan '10

Author: sir_richard Date: Sun Jan 10 16:40:00 2010 New Revision: 45029 URL: http://svn.reactos.org/svn/reactos?rev=45029&view=rev Log: [NTOS]: Implement all V8086 Opcode emulation in C instead of ASM. Modified: trunk/reactos/ntoskrnl/include/internal/i386/ke.h trunk/reactos/ntoskrnl/ke/i386/trap.s trunk/reactos/ntoskrnl/ke/i386/v86m_sup.S trunk/reactos/ntoskrnl/ke/i386/v86vdm.c Modified: trunk/reactos/ntoskrnl/include/internal/i386/ke.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/… ============================================================================== --- trunk/reactos/ntoskrnl/include/internal/i386/ke.h [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/include/internal/i386/ke.h [iso-8859-1] Sun Jan 10 16:40:00 2010 @@ -84,6 +84,60 @@ }; UCHAR Bits; } KTRAP_EXIT_SKIP_BITS, *PKTRAP_EXIT_SKIP_BITS; + + +// +// Flags used by the VDM/V8086 emulation engine for determining instruction prefixes +// +#define PFX_FLAG_ES 0x00000100 +#define PFX_FLAG_CS 0x00000200 +#define PFX_FLAG_SS 0x00000400 +#define PFX_FLAG_DS 0x00000800 +#define PFX_FLAG_FS 0x00001000 +#define PFX_FLAG_GS 0x00002000 +#define PFX_FLAG_OPER32 0x00004000 +#define PFX_FLAG_ADDR32 0x00008000 +#define PFX_FLAG_LOCK 0x00010000 +#define PFX_FLAG_REPNE 0x00020000 +#define PFX_FLAG_REP 0x00040000 + +// +// VDM Helper Macros +// +// All VDM/V8086 opcode emulators have the same FASTCALL function definition. +// We need to keep 2 parameters while the original ASM implementation uses 4: +// TrapFrame, PrefixFlags, Eip, InstructionSize; +// +// We pass the trap frame, and prefix flags, in our two parameters. +// +// We then realize that since the smallest prefix flag is 0x100, this gives us +// a count of up to 0xFF. So we OR in the instruction size with the prefix flags +// +// We further realize that we always have access to EIP from the trap frame, and +// that if we want the *current instruction* EIP, we simply have to add the +// instruction size *MINUS ONE*, and that gives us the EIP we should be looking +// at now, so we don't need to use the stack to push this parameter. +// +// We actually only care about the *current instruction* EIP in one location, +// so although it may be slightly more expensive to re-calculate the EIP one +// more time, this way we don't redefine ALL opcode handlers to have 3 parameters, +// which would be forcing stack usage in all other scenarios. +// +#define KiVdmSetVdmEFlags(x) InterlockedOr((PLONG)KiNtVdmState, (x)); +#define KiVdmClearVdmEFlags(x) InterlockedAnd((PLONG)KiNtVdmState, ~(x)) +#define KiCallVdmHandler(x) KiVdmOpcode##x(TrapFrame, Flags) +#define KiCallVdmPrefixHandler(x) KiVdmOpcodePrefix(TrapFrame, Flags | x) +#define KiVdmUnhandledOpcode(x) \ + BOOLEAN \ + FASTCALL \ + KiVdmOpcode##x(IN PKTRAP_FRAME TrapFrame, \ + IN ULONG Flags) \ + { \ + /* Not yet handled */ \ + UNIMPLEMENTED; \ + while (TRUE); \ + } + // // Registers an interrupt handler with an IDT vector Modified: trunk/reactos/ntoskrnl/ke/i386/trap.s URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/trap.s?re… ============================================================================== --- trunk/reactos/ntoskrnl/ke/i386/trap.s [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/ke/i386/trap.s [iso-8859-1] Sun Jan 10 16:40:00 2010 @@ -755,7 +755,8 @@ sti /* Handle the opcode */ - call _Ki386HandleOpcodeV86@0 + mov ecx, ebp + call @Ki386HandleOpcodeV86@4 /* Check if this was VDM */ test al, 0xFF Modified: trunk/reactos/ntoskrnl/ke/i386/v86m_sup.S URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/v86m_sup.… ============================================================================== --- trunk/reactos/ntoskrnl/ke/i386/v86m_sup.S [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/ke/i386/v86m_sup.S [iso-8859-1] Sun Jan 10 16:40:00 2010 @@ -11,614 +11,6 @@ #include <asm.h> #include <internal/i386/asmmacro.S> .intel_syntax noprefix - -/* FIXME: Can we make a nice macro to generate V86 Opcode handlers? */ - -/* GLOBALS *******************************************************************/ - -// -// This table contains indexes into the OpcodeDispatchV86 Table for opcodes in -// Virtual-8086 Mode. -// There are 256 entries. -// -OpcodeIndex: - INVALID_V86_OPCODE 15 /* OP 00-14: UNHANDLED */ - .byte 1 /* OP 0F: 0F */ - INVALID_V86_OPCODE 22 /* OP 10-25: UNHANDLED */ - .byte 2 /* OP 26: ES Prefix */ - INVALID_V86_OPCODE 7 /* OP 27-2D: UNHANDLED */ - .byte 3 /* OP 2E: CS Prefix */ - INVALID_V86_OPCODE 7 /* OP 2F-35: UNHANDLED */ - .byte 4 /* OP 36: SS Prefix */ - INVALID_V86_OPCODE 7 /* OP 37-3D: UNHANDLED */ - .byte 5 /* OP 3E: DS Prefix */ - INVALID_V86_OPCODE 37 /* OP 3F-63: UNHANDLED */ - .byte 6 /* OP 64: FS Prefix */ - .byte 7 /* OP 65: GS Prefix */ - .byte 8 /* OP 66: OPER32 Prefix */ - .byte 9 /* OP 67: ADDR32 Prefix */ - INVALID_V86_OPCODE 4 /* OP 68-6B: UNHANDLED */ - .byte 10 /* OP 6C: INSB */ - .byte 11 /* OP 6D: INSW */ - .byte 12 /* OP 6E: OUTSB */ - .byte 13 /* OP 6F: OUTSW */ - INVALID_V86_OPCODE 43 /* OP 70-9A: UNHANDLED */ - .byte 19 /* OP 9B: NPX */ - .byte 14 /* OP 9C: PUSHF */ - .byte 15 /* OP 9D: POPF */ - INVALID_V86_OPCODE 47 /* OP 9E-CC: UNHANDLED */ - .byte 16 /* OP CD: INTnn */ - .byte 17 /* OP CE: INTO */ - .byte 18 /* OP CF: IRETD */ - INVALID_V86_OPCODE 8 /* OP D0-D7: UNHANDLED */ - .byte 19 /* OP D8: NPX */ - .byte 19 /* OP D9: NPX */ - .byte 19 /* OP DA: NPX */ - .byte 19 /* OP DB: NPX */ - .byte 19 /* OP DC: NPX */ - .byte 19 /* OP DD: NPX */ - .byte 19 /* OP DE: NPX */ - .byte 19 /* OP DF: NPX */ - INVALID_V86_OPCODE 4 /* OP DE-E3: UNHANDLED */ - .byte 20 /* OP E4: INBimm */ - .byte 21 /* OP E5: INWimm */ - .byte 22 /* OP E6: OUTBimm */ - .byte 23 /* OP E7: OUTWimm */ - INVALID_V86_OPCODE 4 /* OP E8-EB: UNHANDLED */ - .byte 24 /* OP EC: INB */ - .byte 25 /* OP EF: INW */ - .byte 26 /* OP EE: OUTB */ - .byte 27 /* OP EF: OUTW */ - .byte 28 /* OP F0: LOCK Prefix */ - .byte 0 /* OP F1: UNHANDLED */ - .byte 29 /* OP F2: REPNE Prefix */ - .byte 30 /* OP F3: REP Prefix */ - .byte 33 /* OP F4: HLT */ - INVALID_V86_OPCODE 5 /* OP F5-F9: UNHANDLED */ - .byte 31 /* OP FA: CLI */ - .byte 32 /* OP FB: STI */ - INVALID_V86_OPCODE 4 /* OP FC-FF: UNHANDLED */ - -// -// This table contains the emulation routines for -// Virtual-8086 Mode. There are 34 entries. -// -OpcodeDispatchV86: - .long _OpcodeInvalidV86 - .long _Opcode0FV86 - .long _OpcodeESPrefixV86 - .long _OpcodeCSPrefixV86 - .long _OpcodeSSPrefixV86 - .long _OpcodeDSPrefixV86 - .long _OpcodeFSPrefixV86 - .long _OpcodeGSPrefixV86 - .long _OpcodeOPER32PrefixV86 - .long _OpcodeADDR32PrefixV86 - .long _OpcodeINSBV86 - .long _OpcodeINSWV86 - .long _OpcodeOUTSBV86 - .long _OpcodeOUTSWV86 - .long _OpcodePUSHFV86 - .long _OpcodePOPFV86 - .long _OpcodeINTnnV86 - .long _OpcodeINTOV86 - .long _OpcodeIRETV86 - .long _OpcodeNPXV86 - .long _OpcodeINBimmV86 - .long _OpcodeINWimmV86 - .long _OpcodeOUTBimmV86 - .long _OpcodeOUTWimmV86 - .long _OpcodeINBV86 - .long _OpcodeINWV86 - .long _OpcodeOUTBV86 - .long _OpcodeOUTWV86 - .long _OpcodeLOCKPrefixV86 - .long _OpcodeREPNEPrefixV86 - .long _OpcodeREPPrefixV86 - .long _OpcodeCLIV86 - .long _OpcodeSTIV86 - .long _OpcodeHLTV86 - -_ExVdmOpcodeDispatchCounts: - .rept 34 - .long 0 - .endr - -V86DebugMsg: - .asciz "Received V86 Emulation Opcode: %lx\n" - -/* VIRTUAL-8086 MODE OPCODER HANDLERS ****************************************/ - -.func OpcodeInvalidV86 -_OpcodeInvalidV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func Opcode0FV86 -_Opcode0FV86: - UNHANDLED_V86_OPCODE -.endfunc - -#undef LOCK - -GENERATE_PREFIX_HANDLER ES -GENERATE_PREFIX_HANDLER CS -GENERATE_PREFIX_HANDLER DS -GENERATE_PREFIX_HANDLER FS -GENERATE_PREFIX_HANDLER GS -GENERATE_PREFIX_HANDLER SS -GENERATE_PREFIX_HANDLER OPER32 -GENERATE_PREFIX_HANDLER ADDR32 -GENERATE_PREFIX_HANDLER LOCK -GENERATE_PREFIX_HANDLER REP -GENERATE_PREFIX_HANDLER REPNE - -#ifdef CONFIG_SMP -#define LOCK lock -#else -#define LOCK -#endif - -.func OpcodeINSBV86 -_OpcodeINSBV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeINSWV86 -_OpcodeINSWV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeOUTSBV86 -_OpcodeOUTSBV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeOUTSWV86 -_OpcodeOUTSWV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodePUSHFV86 -_OpcodePUSHFV86: - - /* Get VDM state */ - mov eax, FIXED_NTVDMSTATE_LINEAR_PC_AT - mov eax, [eax] - - /* Get EFLAGS and mask out IF */ - mov edx, [ebp+KTRAP_FRAME_EFLAGS] - and eax, ~EFLAGS_INTERRUPT_MASK - - /* Mask align check and interrupt mask */ - and eax, EFLAGS_ALIGN_CHECK + EFLAGS_NESTED_TASK + EFLAGS_INTERRUPT_MASK - or eax, edx - - /* Add IOPL Mask */ - or eax, EFLAGS_IOPL - - /* Get flat ESP */ - movzx ecx, word ptr [ebp+KTRAP_FRAME_SS] - shl ecx, 4 - movzx edx, word ptr [ebp+KTRAP_FRAME_ESP] - sub dx, 2 - - /* Check if there is an OPER32 prefix */ - test ebx, PREFIX_FLAG_OPER32 - jnz SkipPrefix - - /* Push EFLAGS */ - mov [ecx+edx], ax - -UpdateFrame: - - /* Update ESP and EIP */ - mov [ebp+KTRAP_FRAME_ESP], dx - add [ebp+KTRAP_FRAME_EIP], edi - - /* Return success */ - mov eax, 1 - ret - -SkipPrefix: - - /* Skip the prefix, push EFLAGS and jump back */ - sub dx, 2 - mov [edx+ecx], eax - jmp UpdateFrame -.endfunc - -.func OpcodePOPFV86 -_OpcodePOPFV86: - - /* Get VDM state */ - mov eax, FIXED_NTVDMSTATE_LINEAR_PC_AT - - /* Get flat ESP */ - mov ecx, [ebp+KTRAP_FRAME_SS] - shl ecx, 4 - movzx edx, word ptr [ebp+KTRAP_FRAME_ESP] - - /* Pop EFLAGS */ - mov ecx, [ecx+edx] - add edx, 4 - - /* Check for OPER32 prefix */ - test ebx, PREFIX_FLAG_OPER32 - jnz NoPrefix - - /* Skip 2 bytes */ - and ecx, 0xFFFF - sub edx, 2 - -NoPrefix: - - /* Set new ESP */ - mov [ebp+KTRAP_FRAME_ESP], edx - - /* Mask out EFLAGS */ - and eax, ~EFLAGS_IOPL - mov ebx, ebx - and ebx, ~EFLAGS_NESTED_TASK - and ecx, EFLAGS_ALIGN_CHECK + EFLAGS_NESTED_TASK + EFLAGS_INTERRUPT_MASK - - /* FIXME: Support VME */ - - /* Save VDM State pointer */ - push eax - - /* Set new EFLAGS, make sure to add IF and V86 */ - or ebx, EFLAGS_INTERRUPT_MASK + EFLAGS_V86_MASK - push [ebp+KTRAP_FRAME_EFLAGS] - mov [ebp+KTRAP_FRAME_EFLAGS], ebx - - /* Make sure we were in V86 mode */ - test ebx, EFLAGS_V86_MASK - jnz CheckEspAdjust - int 3 - -CheckEspAdjust: - - /* Check if we have to update ESP0 and fixup the stack from our push */ - test dword ptr [ebp+KTRAP_FRAME_EFLAGS], EFLAGS_V86_MASK - lea esp, [esp+4] - jnz NoAdjustEsp0 - - /* Adjust it */ - push ebp - call _Ki386AdjustEsp0@4 - -NoAdjustEsp0: - - /* Restore VDM state */ - pop eax - - /* Update the flags in the VDM State */ - LOCK and dword ptr [eax], ~(EFLAGS_ALIGN_CHECK + EFLAGS_NESTED_TASK + EFLAGS_INTERRUPT_MASK) - LOCK or [eax], ecx - - /* Update EIP */ - add [ebp+KTRAP_FRAME_EIP], edi - - /* FIXME: Check for VDM Pending interrupts */ - - /* Return success */ - mov eax, 1 - ret -.endfunc - -.func OpcodeINTnnV86 -_OpcodeINTnnV86: - - /* Get EFlags */ - mov edx, [ebp+KTRAP_FRAME_EFLAGS] - - /* Remove the flag in the VDM State */ - mov eax, FIXED_NTVDMSTATE_LINEAR_PC_AT - mov ecx, [eax] - LOCK and dword ptr [eax], ~EFLAGS_INTERRUPT_MASK - - /* Mask it out from EFLAGS too */ - mov eax, edx - and eax, ~EFLAGS_INTERRUPT_MASK - - /* Mask out the alignment check and IF flag from the VDM state */ - and ecx, EFLAGS_ALIGN_CHECK + EFLAGS_INTERRUPT_MASK - - /* FIXME: Support VME */ - - /* Now mask out VIF and TF */ - or eax, ecx - and edx, ~(EFLAGS_VIF + EFLAGS_NESTED_TASK + EFLAGS_TF) - mov [ebp+KTRAP_FRAME_EFLAGS], edx - - /* Set the IOPL Mask */ - or eax, EFLAGS_IOPL - - /* Get stack flat address */ - movzx ecx, word ptr [ebp+KTRAP_FRAME_SS] - shl ecx, 4 - movzx edx, word ptr [ebp+KTRAP_FRAME_ESP] - - /* Push EFLAGS */ - sub dx, 2 - mov word ptr [ecx+edx], ax - - /* Push CS */ - mov ax, word ptr [ebp+KTRAP_FRAME_CS] - sub dx, 2 - mov word ptr [ecx+edx], ax - - /* Push IP */ - movzx eax, word ptr [ebp+KTRAP_FRAME_EIP] - add eax, edi - inc eax - sub dx, 2 - mov word ptr [ecx+edx], ax - - /* Update ESP */ - mov [ebp+KTRAP_FRAME_ESP], dx - - /* Get the interrupt */ - inc esi - movzx ecx, byte ptr [esi] - /* FIXME: Analyze and see if this is a hooked VDM (PM) Interrupt */ - - /* Get the entry in the IVT */ - mov ebx, [ecx*4] - mov eax, ebx - shr eax, 16 - - /* Update EIP */ - mov word ptr [ebp+KTRAP_FRAME_EIP], bx - - /* Check if this was V86 mode */ - test dword ptr [ebp+KTRAP_FRAME_EFLAGS], EFLAGS_V86_MASK - jnz SetCs - - /* Check if it was a kernel CS */ - or ax, RPL_MASK - cmp ax, KGDT_R0_CODE - jnb SetCs - - /* Set user-mode CS */ - mov ax, KGDT_R3_CODE + RPL_MASK - -SetCs: - /* Set new CS */ - mov [ebp+KTRAP_FRAME_CS], ax - - /* Return success */ - mov eax, 1 - ret -.endfunc - -.func OpcodeINTOV86 -_OpcodeINTOV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeIRETV86 -_OpcodeIRETV86: - - /* Get the VDM State */ - mov eax, FIXED_NTVDMSTATE_LINEAR_PC_AT - - /* Get flat ESP */ - movzx ecx, word ptr [ebp+KTRAP_FRAME_SS] - shl ecx, 4 - movzx edx, word ptr [ebp+KTRAP_FRAME_ESP] - add ecx, edx - - /* Check for OPER32 prefix */ - test ebx, PREFIX_FLAG_OPER32 - jnz Iret32 - - /* Get flat IP */ - movzx edi, word ptr [ecx] - mov [ebp+KTRAP_FRAME_EIP], edi - movzx esi, word ptr [ecx+2] - mov [ebp+KTRAP_FRAME_CS], esi - - /* Update ESP */ - add edx, 6 - mov [ebp+KTRAP_FRAME_ESP], edx - - /* Get EFLAGS */ - movzx ebx, word ptr [ecx+4] - -MaskEFlags: - - /* Mask out EFLAGS */ - and ebx, ~(EFLAGS_IOPL + EFLAGS_VIF + EFLAGS_NESTED_TASK + EFLAGS_VIP) - mov ecx, ebx - - /* FIXME: Check for VME support */ - - /* Save VDM state */ - push eax - - /* Enable V86 and Interrupts */ - or ebx, EFLAGS_V86_MASK + EFLAGS_INTERRUPT_MASK - - /* Save old flags */ - mov eax, [ebp+KTRAP_FRAME_EFLAGS] - push eax - - /* Mask out VIP and set new eflags */ - and eax, EFLAGS_VIP - or eax, ebx - mov [ebp+KTRAP_FRAME_EFLAGS], eax - - /* Check if we have to update ESP0 */ - pop ebx - test ebx, EFLAGS_V86_MASK - jnz NoEsp0Update - - /* Save ECX and ECX */ - push ecx - push edx - - /* Update esp0 and restore registers */ - push ebp - call _Ki386AdjustEsp0@4 - pop edx - pop ecx - -NoEsp0Update: - - /* Put VDM state in EAX and update VDM EFlags */ - pop eax - and ecx, EFLAGS_INTERRUPT_MASK - LOCK and dword ptr [eax], ~EFLAGS_INTERRUPT_MASK - LOCK or [eax], ecx - - /* Get flat EIP and check if this is the BOP */ - shl esi, 4 - add esi, edi - mov ax, [esi] - cmp ax, 0xC4C4 - jz IsBop - - /* FIXME: Check for VDM interrupts */ - - /* Return success */ -RetIret: - mov eax, 1 - ret - -IsBop: - - /* Call the BOP handler */ - push ebp - call _VdmDispatchBop@4 - jmp RetIret - -Iret32: - - /* Get 32-bit flat EIP */ - mov edi, [ecx] - mov [ebp+KTRAP_FRAME_EIP], edi - movzx esi, word ptr [ecx+4] - mov [ebp+KTRAP_FRAME_CS], esi - - /* Set new ESP */ - add edx, 12 - mov [ebp+KTRAP_FRAME_ESP], edx - - /* Get EFLAGS and continue */ - mov ebx, [ecx+8] - jmp MaskEFlags -.endfunc - -.func OpcodeNPXV86 -_OpcodeNPXV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeINBimmV86 -_OpcodeINBimmV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeINWimmV86 -_OpcodeINWimmV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeOUTBimmV86 -_OpcodeOUTBimmV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeOUTWimmV86 -_OpcodeOUTWimmV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeINBV86 -_OpcodeINBV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeINWV86 -_OpcodeINWV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeOUTBV86 -_OpcodeOUTBV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeOUTWV86 -_OpcodeOUTWV86: - UNHANDLED_V86_OPCODE -.endfunc - -.func OpcodeCLIV86 -_OpcodeCLIV86: - - /* Get VDM State */ - mov eax, FIXED_NTVDMSTATE_LINEAR_PC_AT - - /* FIXME: Support VME */ - - /* FIXME: Support VDM Interrupts */ - - /* Disable interrupts */ - LOCK and dword ptr [eax], ~EFLAGS_INTERRUPT_MASK - - /* Update EIP (remember EDI == instruction size) */ - add [ebp+KTRAP_FRAME_EIP], edi - - /* Return success */ - mov eax, 1 - ret -.endfunc - -.func OpcodeSTIV86 -_OpcodeSTIV86: - - /* Get VDM State */ - mov eax, FIXED_NTVDMSTATE_LINEAR_PC_AT - - /* FIXME: Support VME */ - - /* Enable interrupts */ - LOCK or dword ptr [eax], EFLAGS_INTERRUPT_MASK - - /* Update EIP (remember EDI == instruction size) */ - add [ebp+KTRAP_FRAME_EIP], edi - - /* FIXME: Support VDM Interrupts */ - - /* Return success */ - mov eax, 1 - ret -.endfunc - -.func OpcodeGenericPrefixV86 -_OpcodeGenericPrefixV86: - - /* Skip instruction */ - inc esi - inc edi - - /* Get the instruction */ - movzx ecx, byte ptr [esi] - - /* Get the opcode index */ - movzx edx, byte ptr OpcodeIndex[ecx] - - /* Dispatch it */ - jmp OpcodeDispatchV86[edx*4] -.endfunc - -.func OpcodeHLTV86 -_OpcodeHLTV86: - UNHANDLED_V86_OPCODE -.endfunc /* FUNCTIONS *****************************************************************/ @@ -800,27 +192,3 @@ pop ebp ret 4 .endfunc - -.globl _Ki386HandleOpcodeV86@0 -.func Ki386HandleOpcodeV86@0 -_Ki386HandleOpcodeV86@0: - - /* Get flat EIP */ - mov esi, [ebp+KTRAP_FRAME_CS] - shl esi, 4 - add esi, [ebp+KTRAP_FRAME_EIP] - - /* Get the opcode entry in the table */ - movzx ecx, byte ptr [esi] - movzx edx, byte ptr OpcodeIndex[ecx] - - /* Set instruction length and prefix flags */ - mov edi, 1 - xor ebx, ebx - - /* Accounting statistics */ -// inc dword ptr _ExVdmOpcodeDispatchCounts[edx*4] // FIXME: Generates protection fault - - /* Handle the opcode */ - jmp OpcodeDispatchV86[edx*4] -.endfunc Modified: trunk/reactos/ntoskrnl/ke/i386/v86vdm.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/v86vdm.c?… ============================================================================== --- trunk/reactos/ntoskrnl/ke/i386/v86vdm.c [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/ke/i386/v86vdm.c [iso-8859-1] Sun Jan 10 16:40:00 2010 @@ -1,29 +1,438 @@ /* * PROJECT: ReactOS Kernel - * LICENSE: GPL - See COPYING in the top level directory + * LICENSE: BSD - See COPYING.ARM in the top level directory * FILE: ntoskrnl/ke/i386/v86vdm.c - * PURPOSE: Manages the Kernel's support for Virtual-8086 Mode (V86) - * used by Video Drivers to access ROM BIOS functions, as well - * as the kernel architecture part of generic VDM support. - * PROGRAMMERS: Alex Ionescu (alex.ionescu(a)reactos.org) + * PURPOSE: V8086 and VDM Trap Emulation + * PROGRAMMERS: ReactOS Portable Systems Group + * Alex Ionescu (alex.ionescu(a)reactos.org) */ -/* INCLUDES ******************************************************************/ +/* INCLUDES *******************************************************************/ #include <ntoskrnl.h> #define NDEBUG #include <debug.h> -/* GLOBALS *******************************************************************/ +/* GLOBALS ********************************************************************/ ULONG KeI386EFlagsAndMaskV86 = EFLAGS_USER_SANITIZE; ULONG KeI386EFlagsOrMaskV86 = EFLAGS_INTERRUPT_MASK; PVOID Ki386IopmSaveArea; BOOLEAN KeI386VirtualIntExtensions = FALSE; -/* PRIVATE FUNCTIONS *********************************************************/ - -/* PUBLIC FUNCTIONS **********************************************************/ +#if 1 +const PULONG KiNtVdmState = (PULONG)FIXED_NTVDMSTATE_LINEAR_PC_AT; + +/* UNHANDLED OPCODES **********************************************************/ + +KiVdmUnhandledOpcode(F); +KiVdmUnhandledOpcode(OUTSW); +KiVdmUnhandledOpcode(OUTSB); +KiVdmUnhandledOpcode(INSB); +KiVdmUnhandledOpcode(INSW); +KiVdmUnhandledOpcode(NPX); +KiVdmUnhandledOpcode(INBimm); +KiVdmUnhandledOpcode(INWimm); +KiVdmUnhandledOpcode(OUTBimm); +KiVdmUnhandledOpcode(OUTWimm); +KiVdmUnhandledOpcode(INB); +KiVdmUnhandledOpcode(INW); +KiVdmUnhandledOpcode(OUTB); +KiVdmUnhandledOpcode(OUTW); +KiVdmUnhandledOpcode(HLT); +KiVdmUnhandledOpcode(INTO); +KiVdmUnhandledOpcode(INV); + +/* OPCODE HANDLERS ************************************************************/ + +BOOLEAN +FASTCALL +KiVdmOpcodePUSHF(IN PKTRAP_FRAME TrapFrame, + IN ULONG Flags) +{ + ULONG Esp, V86EFlags, TrapEFlags; + + /* Get current V8086 flags and mask out interrupt flag */ + V86EFlags = *KiNtVdmState; + V86EFlags &= ~EFLAGS_INTERRUPT_MASK; + + /* Get trap frame EFLags and leave only align, nested task and interrupt */ + TrapEFlags = TrapFrame->EFlags; + TrapEFlags &= (EFLAGS_ALIGN_CHECK | EFLAGS_NESTED_TASK | EFLAGS_INTERRUPT_MASK); + + /* Add in those flags if they exist, and add in the IOPL flag */ + V86EFlags |= TrapEFlags; + V86EFlags |= EFLAGS_IOPL; + + /* Build flat ESP */ + Esp = (TrapFrame->HardwareSegSs << 4) + (USHORT)TrapFrame->HardwareEsp; + Esp -= 2; + + /* Check for OPER32 */ + if (Flags & PFX_FLAG_OPER32) + { + /* Save EFlags */ + Esp -= 2; + *(PULONG)(Esp - 2) = V86EFlags; + } + else + { + /* Save EFLags */ + *(PUSHORT)Esp = (USHORT)V86EFlags; + } + + /* Set new ESP and EIP */ + TrapFrame->HardwareEsp = (USHORT)Esp; + TrapFrame->Eip += (Flags & 0xFF); + + /* We're done */ + return TRUE; +} + +BOOLEAN +FASTCALL +KiVdmOpcodePOPF(IN PKTRAP_FRAME TrapFrame, + IN ULONG Flags) +{ + ULONG Esp, V86EFlags, EFlags, TrapEFlags; + + /* Build flat ESP */ + Esp = (TrapFrame->HardwareSegSs << 4) + (USHORT)TrapFrame->HardwareEsp; + + /* Read EFlags */ + EFlags = *(PULONG)Esp; + Esp += 4; + + /* Check for OPER32 */ + if (!(Flags & PFX_FLAG_OPER32)) + { + /* Read correct flags and use correct stack address */ + Esp -= 2; + EFlags &= 0xFFFF; + } + + /* Set new ESP */ + TrapFrame->HardwareEsp = Esp; + + /* Mask out IOPL from the flags */ + EFlags &= ~EFLAGS_IOPL; + + /* Save the V86 flags, but mask out the nested task flag */ + V86EFlags = EFlags & ~EFLAGS_NESTED_TASK; + + /* Now leave only alignment, nested task and interrupt flag */ + EFlags &= (EFLAGS_ALIGN_CHECK | EFLAGS_NESTED_TASK | EFLAGS_INTERRUPT_MASK); + + /* FIXME: Check for VME support */ + + /* Add V86 and Interrupt flag */ + V86EFlags |= EFLAGS_V86_MASK | EFLAGS_INTERRUPT_MASK; + + /* Update EFlags in trap frame */ + TrapEFlags = TrapFrame->EFlags; + TrapFrame->EFlags = (TrapFrame->EFlags & EFLAGS_VIP) | V86EFlags; + + /* Check if ESP0 needs to be fixed up */ + if (TrapEFlags & EFLAGS_V86_MASK) Ki386AdjustEsp0(TrapFrame); + + /* Update the V8086 EFlags state */ + KiVdmClearVdmEFlags(EFLAGS_ALIGN_CHECK | EFLAGS_NESTED_TASK | EFLAGS_INTERRUPT_MASK); + KiVdmSetVdmEFlags(EFlags); + + /* FIXME: Check for VDM interrupts */ + + /* Update EIP */ + TrapFrame->Eip += (Flags & 0xFF); + + /* We're done */ + return TRUE; +} + +BOOLEAN +FASTCALL +KiVdmOpcodeINTnn(IN PKTRAP_FRAME TrapFrame, + IN ULONG Flags) +{ + ULONG Esp, V86EFlags, TrapEFlags, Eip, Interrupt; + + /* Read trap frame EFlags */ + TrapEFlags = TrapFrame->EFlags; + + /* Remove interrupt flag from V8086 EFlags */ + V86EFlags = *KiNtVdmState; + KiVdmClearVdmEFlags(EFLAGS_INTERRUPT_MASK); + + /* Keep only alignment and interrupt flag from the V8086 state */ + V86EFlags &= (EFLAGS_ALIGN_CHECK | EFLAGS_INTERRUPT_MASK); + + /* FIXME: Support VME */ + + /* Mask in the relevant V86 EFlags into the trap flags */ + V86EFlags |= (TrapEFlags & ~EFLAGS_INTERRUPT_MASK); + + /* And mask out the VIF, nested task and TF flag from the trap flags */ + TrapFrame->EFlags = TrapEFlags &~ (EFLAGS_VIF | EFLAGS_NESTED_TASK | EFLAGS_TF); + + /* Add the IOPL flag to the local trap flags */ + V86EFlags |= EFLAGS_IOPL; + + /* Build flat ESP */ + Esp = (TrapFrame->HardwareSegSs << 4) + TrapFrame->HardwareEsp; + + /* Push EFlags */ + Esp -= 2; + *(PUSHORT)(Esp) = (USHORT)V86EFlags; + + /* Push CS */ + Esp -= 2; + *(PUSHORT)(Esp) = (USHORT)TrapFrame->SegCs; + + /* Push IP */ + Esp -= 2; + *(PUSHORT)(Esp) = (USHORT)TrapFrame->Eip + (Flags & 0xFF) + 1; + + /* Update ESP */ + TrapFrame->HardwareEsp = (USHORT)Esp; + + /* Get flat EIP */ + Eip = (TrapFrame->SegCs << 4) + TrapFrame->Eip; + + /* Now get the *next* EIP address (current is original + the count - 1) */ + Eip += (Flags & 0xFF); + + /* Now read the interrupt number */ + Interrupt = *(PUCHAR)Eip; + + /* Read the EIP from its IVT entry */ + Interrupt = *(PULONG)(Interrupt * 4); + TrapFrame->Eip = (USHORT)Interrupt; + + /* Now get the CS segment */ + Interrupt = (USHORT)(Interrupt >> 16); + + /* Check if the trap was not V8086 trap */ + if (!(TrapFrame->EFlags & EFLAGS_V86_MASK)) + { + /* Was it a kernel CS? */ + Interrupt |= RPL_MASK; + if (TrapFrame->SegCs == KGDT_R0_CODE) + { + /* Add the RPL mask */ + TrapFrame->SegCs = Interrupt; + } + else + { + /* Set user CS */ + TrapFrame->SegCs = KGDT_R3_CODE | RPL_MASK; + } + } + else + { + /* Set IVT CS */ + TrapFrame->SegCs = Interrupt; + } + + /* We're done */ + return TRUE; +} + +BOOLEAN +FASTCALL +KiVdmOpcodeIRET(IN PKTRAP_FRAME TrapFrame, + IN ULONG Flags) +{ + ULONG Esp, V86EFlags, EFlags, TrapEFlags, Eip; + + /* Build flat ESP */ + Esp = (TrapFrame->HardwareSegSs << 4) + TrapFrame->HardwareEsp; + + /* Check for OPER32 */ + if (Flags & PFX_FLAG_OPER32) + { + /* Build segmented EIP */ + TrapFrame->Eip = *(PULONG)Esp; + TrapFrame->SegCs = *(PUSHORT)(Esp + 4); + + /* Set new ESP */ + TrapFrame->HardwareEsp += 12; + + /* Get EFLAGS */ + EFlags = *(PULONG)(Esp + 8); + } + else + { + /* Build segmented EIP */ + TrapFrame->Eip = *(PUSHORT)Esp; + TrapFrame->SegCs = *(PUSHORT)(Esp + 2); + + /* Set new ESP */ + TrapFrame->HardwareEsp += 6; + + /* Get EFLAGS */ + EFlags = *(PUSHORT)(Esp + 4); + } + + /* Mask out EFlags */ + EFlags &= ~(EFLAGS_IOPL + EFLAGS_VIF + EFLAGS_NESTED_TASK + EFLAGS_VIP); + V86EFlags = EFlags; + + /* FIXME: Check for VME support */ + + /* Add V86 and Interrupt flag */ + EFlags |= EFLAGS_V86_MASK | EFLAGS_INTERRUPT_MASK; + + /* Update EFlags in trap frame */ + TrapEFlags = TrapFrame->EFlags; + TrapFrame->EFlags = (TrapFrame->EFlags & EFLAGS_VIP) | EFlags; + + /* Check if ESP0 needs to be fixed up */ + if (!(TrapEFlags & EFLAGS_V86_MASK)) Ki386AdjustEsp0(TrapFrame); + + /* Update the V8086 EFlags state */ + KiVdmClearVdmEFlags(EFLAGS_INTERRUPT_MASK); + KiVdmSetVdmEFlags(V86EFlags); + + /* Build flat EIP and check if this is the BOP instruction */ + Eip = (TrapFrame->SegCs << 4) + TrapFrame->Eip; + if (*(PUSHORT)Eip == 0xC4C4) + { + /* Dispatch the BOP */ + VdmDispatchBop(TrapFrame); + } + else + { + /* FIXME: Check for VDM interrupts */ + } + + /* We're done */ + return TRUE; +} + +BOOLEAN +FASTCALL +KiVdmOpcodeCLI(IN PKTRAP_FRAME TrapFrame, + IN ULONG Flags) +{ + /* FIXME: Support VME */ + + /* disable interrupts */ + KiVdmClearVdmEFlags(EFLAGS_INTERRUPT_MASK); + + /* Skip instruction */ + TrapFrame->Eip += (Flags & 0xFF); + + /* Done */ + return TRUE; +} + +BOOLEAN +FASTCALL +KiVdmOpcodeSTI(IN PKTRAP_FRAME TrapFrame, + IN ULONG Flags) +{ + /* FIXME: Support VME */ + + /* Enable interrupts */ + KiVdmSetVdmEFlags(EFLAGS_INTERRUPT_MASK); + + /* Skip instruction */ + TrapFrame->Eip += (Flags & 0xFF); + + /* Done */ + return TRUE; +} + +/* MASTER OPCODE HANDLER ******************************************************/ + +BOOLEAN +FASTCALL +KiVdmHandleOpcode(IN PKTRAP_FRAME TrapFrame, + IN ULONG Flags) +{ + ULONG Eip; + + /* Get flat EIP of the *current* instruction (not the original EIP) */ + Eip = (TrapFrame->SegCs << 4) + TrapFrame->Eip; + Eip += (Flags & 0xFF) - 1; + + /* Read the opcode entry */ + switch (*(PUCHAR)Eip) + { + case 0xF: return KiCallVdmHandler(F); + case 0x26: return KiCallVdmPrefixHandler(PFX_FLAG_ES); + case 0x2E: return KiCallVdmPrefixHandler(PFX_FLAG_CS); + case 0x36: return KiCallVdmPrefixHandler(PFX_FLAG_SS); + case 0x3E: return KiCallVdmPrefixHandler(PFX_FLAG_DS); + case 0x64: return KiCallVdmPrefixHandler(PFX_FLAG_FS); + case 0x65: return KiCallVdmPrefixHandler(PFX_FLAG_GS); + case 0x66: return KiCallVdmPrefixHandler(PFX_FLAG_OPER32); + case 0x67: return KiCallVdmPrefixHandler(PFX_FLAG_ADDR32); + case 0xF0: return KiCallVdmPrefixHandler(PFX_FLAG_LOCK); + case 0xF2: return KiCallVdmPrefixHandler(PFX_FLAG_REPNE); + case 0xF3: return KiCallVdmPrefixHandler(PFX_FLAG_REP); + case 0x6C: return KiCallVdmHandler(INSB); + case 0x6D: return KiCallVdmHandler(INSW); + case 0x6E: return KiCallVdmHandler(OUTSB); + case 0x6F: return KiCallVdmHandler(OUTSW); + case 0x98: return KiCallVdmHandler(NPX); + case 0xD8: return KiCallVdmHandler(NPX); + case 0xD9: return KiCallVdmHandler(NPX); + case 0xDA: return KiCallVdmHandler(NPX); + case 0xDB: return KiCallVdmHandler(NPX); + case 0xDC: return KiCallVdmHandler(NPX); + case 0xDD: return KiCallVdmHandler(NPX); + case 0xDE: return KiCallVdmHandler(NPX); + case 0xDF: return KiCallVdmHandler(NPX); + case 0x9C: return KiCallVdmHandler(PUSHF); + case 0x9D: return KiCallVdmHandler(POPF); + case 0xCD: return KiCallVdmHandler(INTnn); + case 0xCE: return KiCallVdmHandler(INTO); + case 0xCF: return KiCallVdmHandler(IRET); + case 0xE4: return KiCallVdmHandler(INBimm); + case 0xE5: return KiCallVdmHandler(INWimm); + case 0xE6: return KiCallVdmHandler(OUTBimm); + case 0xE7: return KiCallVdmHandler(OUTWimm); + case 0xEC: return KiCallVdmHandler(INB); + case 0xED: return KiCallVdmHandler(INW); + case 0xEE: return KiCallVdmHandler(OUTB); + case 0xEF: return KiCallVdmHandler(OUTW); + case 0xF4: return KiCallVdmHandler(HLT); + case 0xFA: return KiCallVdmHandler(CLI); + case 0xFB: return KiCallVdmHandler(STI); + default: return KiCallVdmHandler(INV); + } +} + +/* PREFIX HANDLER *************************************************************/ + +BOOLEAN +FASTCALL +KiVdmOpcodePrefix(IN PKTRAP_FRAME TrapFrame, + IN ULONG Flags) +{ + /* Increase instruction size */ + Flags++; + + /* Handle the next opcode */ + return KiVdmHandleOpcode(TrapFrame, Flags); +} + +/* TRAP HANDLER ***************************************************************/ + +BOOLEAN +FASTCALL +Ki386HandleOpcodeV86(IN PKTRAP_FRAME TrapFrame) +{ + /* Clean up */ + TrapFrame->Eip &= 0xFFFF; + TrapFrame->HardwareEsp &= 0xFFFF; + + /* We start with only 1 byte per instruction */ + return KiVdmHandleOpcode(TrapFrame, 1); +} + +/* PUBLIC FUNCTIONS ***********************************************************/ +#endif /* * @implemented

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[sir_richard] 45028: [NTOS]: Simplify trap exit code. [NTOS]: Move some stuff in appropriate headers. [NTOS]: Write V86 fast entry/exit traps, needed for later.
by sir_richard＠svn.reactos.org 10 Jan '10

10 Jan '10

Author: sir_richard Date: Sun Jan 10 16:00:44 2010 New Revision: 45028 URL: http://svn.reactos.org/svn/reactos?rev=45028&view=rev Log: [NTOS]: Simplify trap exit code. [NTOS]: Move some stuff in appropriate headers. [NTOS]: Write V86 fast entry/exit traps, needed for later. Modified: trunk/reactos/ntoskrnl/include/internal/i386/ke.h trunk/reactos/ntoskrnl/include/internal/ke.h trunk/reactos/ntoskrnl/include/internal/trap_x.h trunk/reactos/ntoskrnl/ke/i386/traphdlr.c Modified: trunk/reactos/ntoskrnl/include/internal/i386/ke.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/… ============================================================================== --- trunk/reactos/ntoskrnl/include/internal/i386/ke.h [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/include/internal/i386/ke.h [iso-8859-1] Sun Jan 10 16:00:44 2010 @@ -65,7 +65,26 @@ // #define KeGetTrapFrameInterruptState(TrapFrame) \ BooleanFlagOn((TrapFrame)->EFlags, EFLAGS_INTERRUPT_MASK) - + +// +// Flags for exiting a trap +// +#define KTE_SKIP_PM_BIT (((KTRAP_EXIT_SKIP_BITS) { { .SkipPreviousMode = TRUE } }).Bits) +#define KTE_SKIP_SEG_BIT (((KTRAP_EXIT_SKIP_BITS) { { .SkipSegments = TRUE } }).Bits) +#define KTE_SKIP_VOL_BIT (((KTRAP_EXIT_SKIP_BITS) { { .SkipVolatiles = TRUE } }).Bits) + +typedef union _KTRAP_EXIT_SKIP_BITS +{ + struct + { + UCHAR SkipPreviousMode:1; + UCHAR SkipSegments:1; + UCHAR SkipVolatiles:1; + UCHAR Reserved:5; + }; + UCHAR Bits; +} KTRAP_EXIT_SKIP_BITS, *PKTRAP_EXIT_SKIP_BITS; + // // Registers an interrupt handler with an IDT vector // @@ -287,6 +306,25 @@ NTAPI Ki386EnableXMMIExceptions( IN ULONG_PTR Context +); + +BOOLEAN +NTAPI +VdmDispatchBop( + IN PKTRAP_FRAME TrapFrame +); + +BOOLEAN +FASTCALL +KiVdmOpcodePrefix( + IN PKTRAP_FRAME TrapFrame, + IN ULONG Flags +); + +BOOLEAN +FASTCALL +Ki386HandleOpcodeV86( + IN PKTRAP_FRAME TrapFrame ); // @@ -312,6 +350,10 @@ extern VOID __cdecl KiTrap8(VOID); extern VOID __cdecl KiTrap19(VOID); extern VOID __cdecl KiFastCallEntry(VOID); +extern VOID NTAPI ExpInterlockedPopEntrySListFault(VOID); +extern VOID __cdecl CopyParams(VOID); +extern VOID __cdecl ReadBatch(VOID); +extern VOID __cdecl FrRestore(VOID); // // Sanitizes a selector Modified: trunk/reactos/ntoskrnl/include/internal/ke.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/… ============================================================================== --- trunk/reactos/ntoskrnl/include/internal/ke.h [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/include/internal/ke.h [iso-8859-1] Sun Jan 10 16:00:44 2010 @@ -71,20 +71,6 @@ PVOID Context; PVOID Handle; } KNMI_HANDLER_CALLBACK, *PKNMI_HANDLER_CALLBACK; - -typedef union _KTRAP_STATE_BITS -{ - struct - { - UCHAR SystemCall:1; - UCHAR PreviousMode:1; - UCHAR Segments:1; - UCHAR Volatiles:1; - UCHAR Full:1; - UCHAR Reserved:3; - }; - UCHAR Bits; -} KTRAP_STATE_BITS, *PKTRAP_STATE_BITS; typedef PCHAR (NTAPI *PKE_BUGCHECK_UNICODE_TO_ANSI)( Modified: trunk/reactos/ntoskrnl/include/internal/trap_x.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/… ============================================================================== --- trunk/reactos/ntoskrnl/include/internal/trap_x.h [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/include/internal/trap_x.h [iso-8859-1] Sun Jan 10 16:00:44 2010 @@ -66,7 +66,7 @@ FORCEINLINE VOID KiExitTrapDebugChecks(IN PKTRAP_FRAME TrapFrame, - IN KTRAP_STATE_BITS StateBits) + IN KTRAP_STATE_BITS SkipBits) { /* Make sure interrupts are disabled */ if (__readeflags() & EFLAGS_INTERRUPT_MASK) @@ -105,7 +105,7 @@ } /* If we're ignoring previous mode, make sure caller doesn't actually want it */ - if (!(StateBits.PreviousMode) && (TrapFrame->PreviousPreviousMode != -1)) + if ((SkipBits.SkipPreviousMode) && (TrapFrame->PreviousPreviousMode != -1)) { DPRINT1("Exiting a trap witout restoring previous mode, yet previous mode seems valid: %lx", TrapFrame->PreviousPreviousMode); while (TRUE); Modified: trunk/reactos/ntoskrnl/ke/i386/traphdlr.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/traphdlr.… ============================================================================== --- trunk/reactos/ntoskrnl/ke/i386/traphdlr.c [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/ke/i386/traphdlr.c [iso-8859-1] Sun Jan 10 16:00:44 2010 @@ -18,16 +18,19 @@ VOID FASTCALL KiExitTrap(IN PKTRAP_FRAME TrapFrame, - IN UCHAR State) -{ - KTRAP_STATE_BITS StateBits = { .Bits = State }; - KiExitTrapDebugChecks(TrapFrame, StateBits); + IN UCHAR Skip) +{ + KTRAP_EXIT_SKIP_BITS SkipBits = { .Bits = Skip }; + KiExitTrapDebugChecks(TrapFrame, SkipBits); + + /* If you skip volatile reload, you must skip segment reload */ + ASSERT((SkipBits.SkipVolatiles == FALSE) || (SkipBits.SkipSegments == TRUE)); /* Restore the SEH handler chain */ KeGetPcr()->Tib.ExceptionList = TrapFrame->ExceptionList; /* Check if the previous mode must be restored */ - if (StateBits.PreviousMode) + if (!SkipBits.SkipPreviousMode) { /* Not handled yet */ UNIMPLEMENTED; @@ -53,34 +56,31 @@ while (TRUE); } - /* Check if all registers must be restored */ - if (StateBits.Full) - { - /* Only do the restore if we made a transition from user-mode */ - if (KiUserTrap(TrapFrame)) - { - /* Restore segments */ - Ke386SetGs(TrapFrame->SegGs); - Ke386SetEs(TrapFrame->SegEs); - Ke386SetDs(TrapFrame->SegDs); - } - } - - /* Check if we came from user-mode */ - if (KiUserTrap(TrapFrame)) - { - /* Check if the caller wants segments restored */ - if (StateBits.Segments) - { - /* Restore them */ - Ke386SetGs(TrapFrame->SegGs); - Ke386SetEs(TrapFrame->SegEs); - Ke386SetDs(TrapFrame->SegDs); - } - + /* Check if segments should be restored */ + if (!SkipBits.SkipSegments) + { + /* Restore segments */ + Ke386SetGs(TrapFrame->SegGs); + Ke386SetEs(TrapFrame->SegEs); + Ke386SetDs(TrapFrame->SegDs); + Ke386SetFs(TrapFrame->SegFs); + } + else if (KiUserTrap(TrapFrame)) + { /* Always restore FS since it goes from KPCR to TEB */ Ke386SetFs(TrapFrame->SegFs); } + + /* Check if the caller wants to skip volatiles */ + if (SkipBits.SkipVolatiles) + { + /* + * When we do the system call handler through this path, we need + * to have some sort to restore the kernel EAX instead of pushing + * back the user EAX. We'll figure it out... + */ + DPRINT1("Warning: caller doesn't want volatiles restored\n"); + } /* Check for ABIOS code segment */ if (TrapFrame->SegCs == 0x80) @@ -90,8 +90,8 @@ while (TRUE); } - /* Check for system call */ - if (StateBits.SystemCall) + /* Check for system call -- a system call skips volatiles! */ + if (SkipBits.SkipVolatiles) { /* Not handled yet */ UNIMPLEMENTED; @@ -106,6 +106,50 @@ VOID FASTCALL +KiExitV86Trap(IN PKTRAP_FRAME TrapFrame) +{ + PKTHREAD Thread; + KIRQL OldIrql; + + /* Get the thread */ + Thread = KeGetCurrentThread(); + while (TRUE) + { + /* Turn off the alerted state for kernel mode */ + Thread->Alerted[KernelMode] = FALSE; + + /* Are there pending user APCs? */ + if (!Thread->ApcState.UserApcPending) break; + + /* Raise to APC level and enable interrupts */ + OldIrql = KfRaiseIrql(APC_LEVEL); + _enable(); + + /* Deliver APCs */ + KiDeliverApc(UserMode, NULL, TrapFrame); + + /* Restore IRQL and disable interrupts once again */ + KfLowerIrql(OldIrql); + _disable(); + + /* Return if this isn't V86 mode anymore */ + if (TrapFrame->EFlags & EFLAGS_V86_MASK) return; + } + + /* If we got here, we're still in a valid V8086 context, so quit it */ + if (TrapFrame->Dr7 & ~DR7_RESERVED_MASK) + { + /* Not handled yet */ + UNIMPLEMENTED; + while (TRUE); + } + + /* Return from interrupt */ + KiTrapReturn(TrapFrame); +} + +VOID +FASTCALL KiEoiHelper(IN PKTRAP_FRAME TrapFrame) { /* Disable interrupts until we return */ @@ -115,10 +159,38 @@ KiCheckForApcDelivery(TrapFrame); /* Now exit the trap for real */ - KiExitTrap(TrapFrame, KTS_SEG_BIT | KTS_VOL_BIT); + KiExitTrap(TrapFrame, KTE_SKIP_PM_BIT); } /* TRAP ENTRY CODE ************************************************************/ + +VOID +FASTCALL +KiEnterV86Trap(IN PKTRAP_FRAME TrapFrame) +{ + /* Save registers */ + KiTrapFrameFromPushaStack(TrapFrame); + + /* Load correct registers */ + Ke386SetFs(KGDT_R0_PCR); + Ke386SetDs(KGDT_R3_DATA | RPL_MASK); + Ke386SetEs(KGDT_R3_DATA | RPL_MASK); + + /* Save exception list and bogus previous mode */ + TrapFrame->PreviousPreviousMode = -1; + TrapFrame->ExceptionList = KeGetPcr()->Tib.ExceptionList; + + /* Clear direction flag */ + Ke386ClearDirectionFlag(); + + /* Save DR7 and check for debugging */ + TrapFrame->Dr7 = __readdr(7); + if (TrapFrame->Dr7 & ~DR7_RESERVED_MASK) + { + UNIMPLEMENTED; + while (TRUE); + } +} VOID FASTCALL @@ -258,7 +330,6 @@ IN PFX_SAVE_AREA SaveArea) { ULONG Cr0, Mask, Error, ErrorOffset, DataOffset; - extern VOID FrRestore(VOID); /* Check for VDM trap */ ASSERT((KiVdmTrap(TrapFrame)) == FALSE); @@ -718,9 +789,6 @@ PKTHREAD Thread; ULONG_PTR Cr2; NTSTATUS Status; - extern VOID NTAPI ExpInterlockedPopEntrySListFault(VOID); - extern VOID CopyParams(VOID); - extern VOID ReadBatch(VOID); /* Save trap frame */ KiEnterTrap(TrapFrame);

1 0

[sir_richard] 45027: [NTOS]: Implement KiAdjustEsp0 in C. [NTOS]: Temporarily remove FPU save/restore instructions since they seem to be smashing the stack and breaking boot.
by sir_richard＠svn.reactos.org 10 Jan '10

10 Jan '10

Author: sir_richard Date: Sun Jan 10 15:32:19 2010 New Revision: 45027 URL: http://svn.reactos.org/svn/reactos?rev=45027&view=rev Log: [NTOS]: Implement KiAdjustEsp0 in C. [NTOS]: Temporarily remove FPU save/restore instructions since they seem to be smashing the stack and breaking boot. Modified: trunk/reactos/ntoskrnl/ke/i386/ctxswitch.S trunk/reactos/ntoskrnl/ke/i386/exp.c trunk/reactos/ntoskrnl/ke/i386/traphdlr.c Modified: trunk/reactos/ntoskrnl/ke/i386/ctxswitch.S URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/ctxswitch… ============================================================================== --- trunk/reactos/ntoskrnl/ke/i386/ctxswitch.S [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/ke/i386/ctxswitch.S [iso-8859-1] Sun Jan 10 15:32:19 2010 @@ -807,41 +807,6 @@ #endif .endfunc -.globl _Ki386AdjustEsp0@4 -.func Ki386AdjustEsp0@4 -_Ki386AdjustEsp0@4: - - /* Get the current thread */ - mov eax, [fs:KPCR_CURRENT_THREAD] - - /* Get trap frame and stack */ - mov edx, [esp+4] - mov eax, [eax+KTHREAD_INITIAL_STACK] - - /* Check if V86 */ - test dword ptr [edx+KTRAP_FRAME_EFLAGS], EFLAGS_V86_MASK - jnz 1f - - /* Bias the stack */ - sub eax, KTRAP_FRAME_V86_GS - KTRAP_FRAME_SS - -1: - /* Skip FX Save Area */ - sub eax, SIZEOF_FX_SAVE_AREA - - /* Disable interrupts */ - pushf - cli - - /* Adjust ESP0 */ - mov edx, [fs:KPCR_TSS] - mov ss:[edx+KTSS_ESP0], eax - - /* Enable interrupts and return */ - popf - ret 4 -.endfunc - .globl _KiSwapProcess@8 .func KiSwapProcess@8 _KiSwapProcess@8: Modified: trunk/reactos/ntoskrnl/ke/i386/exp.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/exp.c?rev… ============================================================================== --- trunk/reactos/ntoskrnl/ke/i386/exp.c [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/ke/i386/exp.c [iso-8859-1] Sun Jan 10 15:32:19 2010 @@ -303,6 +303,40 @@ FxTagWord = (FxTagWord | (FxTagWord >> 2)) & 0x0f0f; /* 0000VVVV0000VVVV */ FxTagWord = (FxTagWord | (FxTagWord >> 4)) & 0x00ff; /* 00000000VVVVVVVV */ return FxTagWord; +} + +VOID +NTAPI +Ki386AdjustEsp0(IN PKTRAP_FRAME TrapFrame) +{ + PKTHREAD Thread; + ULONG_PTR Stack; + ULONG EFlags; + + /* Get the current thread's stack */ + Thread = KeGetCurrentThread(); + Stack = (ULONG_PTR)Thread->InitialStack; + + /* Check if we are in V8086 mode */ + if (!(TrapFrame->EFlags & EFLAGS_V86_MASK)) + { + /* Bias the stack for the V86 segments */ + Stack -= (FIELD_OFFSET(KTRAP_FRAME, V86Gs) - + FIELD_OFFSET(KTRAP_FRAME, HardwareSegSs)); + } + + /* Bias the stack for the FPU area */ + Stack -= sizeof(FX_SAVE_AREA); + + /* Disable interrupts */ + EFlags = __readeflags(); + _disable(); + + /* Set new ESP0 value in the TSS */ + KeGetPcr()->TSS->Esp0 = Stack; + + /* Restore old interrupt state */ + __writeeflags(EFlags); } VOID Modified: trunk/reactos/ntoskrnl/ke/i386/traphdlr.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/traphdlr.… ============================================================================== --- trunk/reactos/ntoskrnl/ke/i386/traphdlr.c [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/ke/i386/traphdlr.c [iso-8859-1] Sun Jan 10 15:32:19 2010 @@ -270,11 +270,11 @@ SaveArea->Cr0NpxState |= CR0_TS; /* Only valid if it happened during a restore */ - if ((PVOID)TrapFrame->Eip == FrRestore) + //if ((PVOID)TrapFrame->Eip == FrRestore) { /* It did, so just skip the instruction */ - TrapFrame->Eip += 3; /* sizeof(FRSTOR) */ - KiEoiHelper(TrapFrame); + //TrapFrame->Eip += 3; /* sizeof(FRSTOR) */ + //KiEoiHelper(TrapFrame); } } @@ -287,7 +287,7 @@ __writecr0(Cr0); /* Save FPU state */ - Ke386SaveFpuState(SaveArea); + //Ke386SaveFpuState(SaveArea); /* Mark CR0 state dirty */ Cr0 |= NPX_STATE_NOT_LOADED; @@ -588,14 +588,14 @@ NpxSaveArea = KiGetThreadNpxArea(NpxThread); /* Save FPU state */ - Ke386SaveFpuState(NpxSaveArea); + //Ke386SaveFpuState(NpxSaveArea); /* Update NPX state */ Thread->NpxState = NPX_STATE_NOT_LOADED; } /* Load FPU state */ - Ke386LoadFpuState(SaveArea); + //Ke386LoadFpuState(SaveArea); /* Update NPX state */ Thread->NpxState = NPX_STATE_LOADED; @@ -925,7 +925,7 @@ __writecr0(Cr0); /* Save FPU state */ - Ke386SaveFpuState(SaveArea); + //Ke386SaveFpuState(SaveArea); /* Mark CR0 state dirty */ Cr0 |= NPX_STATE_NOT_LOADED;

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Ros-diffs January 2010