Ros-dev

ros-dev@reactos.org

5790 discussions

Myreactos.com hosting account will be suspended in the next 24 hours.
by victor martinez 06 Jul '11

06 Jul '11

Hi! Sadly the hosting that I was providing for free will be suspended in the next 24 hours. I was totally fed up with these iPage guys so decided to move everything out. The website and all the content in the folders will be removed. I will keep the myreactos.com domain for a year or maybe I will remove it too.If anyone is interested please contact me. If anyone is still using the hosting, please back your files up. WBR, Víctor Martínez

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Re: [ros-dev] [ros-diffs] [cgutman] 52522: [LDR] - "Just to be sure" is no reason to overwrite a potential DLL load failure status
by Aleksey Bragin 04 Jul '11

04 Jul '11

That was there on purpose really, because the error had to be ignored. I will get back to this tomorrow to review, so just "marking" this revision that way. WBR, Aleksey. -----Original Message----- From: cgutman(a)svn.reactos.org Sent: Monday, July 04, 2011 12:16 AM To: ros-diffs(a)reactos.org Subject: [ros-diffs] [cgutman] 52522: [LDR] - "Just to be sure" is no reason to overwrite a potential DLL load failure status Author: cgutman Date: Sun Jul 3 20:16:12 2011 New Revision: 52522 URL: http://svn.reactos.org/svn/reactos?rev=52522&view=rev Log: [LDR] - "Just to be sure" is no reason to overwrite a potential DLL load failure status Modified: trunk/reactos/dll/ntdll/ldr/ldrapi.c Modified: trunk/reactos/dll/ntdll/ldr/ldrapi.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/ntdll/ldr/ldrapi.c?rev… ============================================================================== --- trunk/reactos/dll/ntdll/ldr/ldrapi.c [iso-8859-1] (original) +++ trunk/reactos/dll/ntdll/ldr/ldrapi.c [iso-8859-1] Sun Jul 3 20:16:12 2011 @@ -345,9 +345,6 @@ DllName, BaseAddress, TRUE); - - /* Set it to success just to be sure */ - Status = STATUS_SUCCESS; /* Restore the old TLD DLL */ LdrpTopLevelDllBeingLoaded = OldTldDll;

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Re: [ros-dev] [ros-diffs] [tkreuzer] 52513: [NTOSKRNL] - Fix KdComponentTableSize - Make assembly instruction in KiCallUserMode MASM compatible - silence some KD internal debug prints The MSVC bootcd boots to desktop, but c...
by Alex Ionescu 03 Jul '11

03 Jul '11

There's a nice RTL_NUMBER_OF or similar macro for the KdComponentTableSize. Best regards, Alex Ionescu On Sun, Jul 3, 2011 at 11:57 AM, <tkreuzer(a)svn.reactos.org> wrote: > Author: tkreuzer > Date: Sun Jul 3 09:56:59 2011 > New Revision: 52513 > > URL: http://svn.reactos.org/svn/reactos?rev=52513&view=rev > Log: > [NTOSKRNL] > - Fix KdComponentTableSize > - Make assembly instruction in KiCallUserMode MASM compatible > - silence some KD internal debug prints > The MSVC bootcd boots to desktop, but crashes with BAD_POOL_HEADER before 2nd stage setup starts. > > Modified: > trunk/reactos/ntoskrnl/kd64/kddata.c > trunk/reactos/ntoskrnl/ke/i386/usercall_asm.S > trunk/reactos/ntoskrnl/mm/ARM3/mmdbg.c > > Modified: trunk/reactos/ntoskrnl/kd64/kddata.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/kd64/kddata.c?rev… > ============================================================================== > --- trunk/reactos/ntoskrnl/kd64/kddata.c [iso-8859-1] (original) > +++ trunk/reactos/ntoskrnl/kd64/kddata.c [iso-8859-1] Sun Jul 3 09:56:59 2011 > @@ -356,7 +356,7 @@ > &Kd_ENDOFTABLE_Mask, > }; > > -ULONG KdComponentTableSize = sizeof(KdComponentTable); > +ULONG KdComponentTableSize = sizeof(KdComponentTable) / sizeof(KdComponentTable[0]); > > // > // Debugger Data > > Modified: trunk/reactos/ntoskrnl/ke/i386/usercall_asm.S > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/usercall_… > ============================================================================== > --- trunk/reactos/ntoskrnl/ke/i386/usercall_asm.S [iso-8859-1] (original) > +++ trunk/reactos/ntoskrnl/ke/i386/usercall_asm.S [iso-8859-1] Sun Jul 3 09:56:59 2011 > @@ -13,7 +13,7 @@ > #include <internal/i386/asmmacro.S> > > EXTERN _MmGrowKernelStack@4:PROC > -EXTERN _KeUserCallbackDispatcher:PROC > +EXTERN _KeUserCallbackDispatcher:DWORD > EXTERN @KiServiceExit@8:PROC > EXTERN _KeGetCurrentIrql@0:PROC > EXTERN _KeBugCheckEx@20:PROC > @@ -190,7 +190,7 @@ > > /* Get user-mode dispatcher address and set it as EIP */ > SetEip: > - mov eax, _KeUserCallbackDispatcher > + mov eax, dword ptr [_KeUserCallbackDispatcher] > mov [esp+KTRAP_FRAME_EIP], eax > > /* Set the exception list */ > > Modified: trunk/reactos/ntoskrnl/mm/ARM3/mmdbg.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/mmdbg.c?r… > ============================================================================== > --- trunk/reactos/ntoskrnl/mm/ARM3/mmdbg.c [iso-8859-1] (original) > +++ trunk/reactos/ntoskrnl/mm/ARM3/mmdbg.c [iso-8859-1] Sun Jul 3 09:56:59 2011 > @@ -17,6 +17,8 @@ > > #ifndef _WINKD_ > #define KdpDprintf DPRINT > +#elif defined(NDEBUG) > +#define KdpDprintf(...) > #endif > > /* GLOBALS ********************************************************************/ > > >

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Re: [ros-dev] [ros-diffs] [tkreuzer] 52507: [NTOSKNRL] - Change an ASSERT to a KeBugCheck, since the assertion can fail for any invalid memory access and this is not an internal Mm failure. - Remove 2 cases, that "Should NE...
by Alex Ionescu 03 Jul '11

03 Jul '11

Why do you have to be this way? I gave you a link to 3 PDFs and our own Wiki that explain these functions. Did you even read them? Don't be an asshole just for fun. Best regards, Alex Ionescu On Sun, Jul 3, 2011 at 1:11 AM, <tkreuzer(a)svn.reactos.org> wrote: > Author: tkreuzer > Date: Sat Jul 2 23:11:06 2011 > New Revision: 52507 > > URL: http://svn.reactos.org/svn/reactos?rev=52507&view=rev > Log: > [NTOSKNRL] > - Change an ASSERT to a KeBugCheck, since the assertion can fail for any invalid memory access and this is not an internal Mm failure. > - Remove 2 cases, that "Should NEVER happen on ARM3!!!", but can very well happen. > - Do NOT make the code cleaner, by releasing the PFN lock in the same function that acquires it, but keep it 2 functions down. This is because it *SHOULD* be that way, since some internal undocumented functions, that we do not implement but that are (theoretically) called from here, also do release the PFN lock. Thanks Alex for explaining this. > > Modified: > trunk/reactos/ntoskrnl/mm/ARM3/pagfault.c > > Modified: trunk/reactos/ntoskrnl/mm/ARM3/pagfault.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/pagfault.… > ============================================================================== > --- trunk/reactos/ntoskrnl/mm/ARM3/pagfault.c [iso-8859-1] (original) > +++ trunk/reactos/ntoskrnl/mm/ARM3/pagfault.c [iso-8859-1] Sat Jul 2 23:11:06 2011 > @@ -583,10 +583,19 @@ > } > > // > - // The PTE must be invalid, but not totally blank > + // The PTE must be invalid > // > ASSERT(TempPte.u.Hard.Valid == 0); > - ASSERT(TempPte.u.Long != 0); > + > + /* Check if the PTE is completely empty */ > + if (TempPte.u.Long == 0) > + { > + KeBugCheckEx(PAGE_FAULT_IN_NONPAGED_AREA, > + (ULONG_PTR)Address, > + StoreInstruction, > + (ULONG_PTR)TrapInformation, > + 2); > + } > > // > // No prototype, transition or page file software PTEs in ARM3 yet > @@ -727,11 +736,6 @@ > // Writing to a read-only page (the stuff ARM3 works with is write, > // so again, moot point). > // > - if (StoreInstruction) > - { > - DPRINT1("Should NEVER happen on ARM3!!!\n"); > - return STATUS_ACCESS_VIOLATION; > - } > > // > // Otherwise, the PDE was probably invalid, and all is good now > @@ -776,11 +780,6 @@ > // Writing to a read-only page (the stuff ARM3 works with is write, > // so again, moot point. > // > - if (StoreInstruction) > - { > - DPRINT1("Should NEVER happen on ARM3!!!\n"); > - return STATUS_ACCESS_VIOLATION; > - } > > /* Release the working set */ > MiUnlockWorkingSet(CurrentThread, WorkingSet); > > >

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Re: [ros-dev] [ros-diffs] [tkreuzer] 52496: [FAT32] Add some code that does ... nothing, but fixes 2nd stage boot with msvc. To figure out why this is needed, is left as an excercise to the reader :)
by Alex Ionescu 01 Jul '11

01 Jul '11

I know why this is "needed", but this is a temporary hack, right? Best regards, Alex Ionescu On Thu, Jun 30, 2011 at 9:06 PM, <tkreuzer(a)svn.reactos.org> wrote: > Author: tkreuzer > Date: Fri Jul 1 01:06:19 2011 > New Revision: 52496 > > URL: http://svn.reactos.org/svn/reactos?rev=52496&view=rev > Log: > [FAT32] > Add some code that does ... nothing, but fixes 2nd stage boot with msvc. To figure out why this is needed, is left as an excercise to the reader :) > > Modified: > trunk/reactos/boot/freeldr/bootsect/fat32.S > > Modified: trunk/reactos/boot/freeldr/bootsect/fat32.S > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/bootsect/fat3… > ============================================================================== > --- trunk/reactos/boot/freeldr/bootsect/fat32.S [iso-8859-1] (original) > +++ trunk/reactos/boot/freeldr/bootsect/fat32.S [iso-8859-1] Fri Jul 1 01:06:19 2011 > @@ -194,6 +194,13 @@ > mov dl, byte ptr BP_REL(BootDrive) // Drive number > mov ah, HEX(42) // Int 13h, AH = 42h - Extended Read > int HEX(13) // Call BIOS > + > + /* This code "fixes" loading the MSVC built kernel */ > + pushad > + mov si, offset msgNull > + call PutChars > + popad > + > jc PrintDiskError // If the read failed then abort > > add sp, 16 // Remove disk address packet from stack > @@ -302,6 +309,8 @@ > .ascii "File system error", CR, LF, NUL > msgAnyKey: > .ascii "Press any key to restart", CR, LF, NUL > +msgNull: > + .ascii NUL > > .org 509 // Pad to 509 bytes > > @@ -527,7 +536,7 @@ > filename: > .ascii "FREELDR SYS" > msgLoading: > - .ascii "Loading FreeLoader...\r\n", CR, LF, NUL > + .ascii "Loading FreeLoader...", CR, LF, NUL > > .org 1022 // Pad to 1022 bytes > > > >

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Monthly meeting reminder
by Aleksey Bragin 30 Jun '11

30 Jun '11

Hello, Last thursday of this month is quite close, 30th of June, 20:00 UTC I'm awaiting you all for the monthly status meeting. Colin said that our private irc server is going to be ready by that date, so if that's still true, Colin - could you please provide details for those who don't remember where to connect? Proposed agenda is: 1. New release of ReactOS 2. Website work status 3. GSoC status 4. Developers status. With the best regards, Aleksey Bragin.

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Re: [ros-dev] [ros-diffs] [osiejka] 52486: [TRANSLATION] - CACLS, CALC and CHARMAP UTF8 co
by Pierre Schweitzer 29 Jun '11

29 Jun '11

I'm definitely not sure that the header[1] added to all converted files was absolute necessity. AFAIK, that's SVN logs purpose... Unless someone has a real justification to such line? Many files even don't have a translator copyright but this line... Weird! [1]: /* UTF-8 Conversion: Elton Chung aka MfldElton <elton328(a)gmail.com> (June, 2011) */

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Re: [ros-dev] [ros-diffs] [ekohl] 52470: [NDK] Add missing interrupt resource descriptor flags.
by Alex Ionescu 27 Jun '11

27 Jun '11

Hi Erik, The NDK is for *undocumented* types. These flags are documented. -- Best regards, Alex Ionescu On 2011-06-26, at 7:29 AM, ekohl(a)svn.reactos.org wrote: > CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE

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LDR rewrite
by Aleksey Bragin 26 Jun '11

26 Jun '11

Hello, as all of you could notice, I committed the LDR rewrite recently. I tried to get rid of as much regressions as possible (any rewrite should introduce improvements of course, rewrites are not done to introduce regressions, however there is no rewrite without some particulars problems). So, dear developers, I need your help. Gabriel did a very nice work and bugzilled all kinds of problems which new LDR introduced. Here is the meta-bug: http://www.reactos.org/bugzilla/show_bug.cgi?id=6346 Please look into the bugs, check something and add your findings to bugzilla. The new LDR code is perfectly organized, very well documented, so most of those bugs should be quite simple to fix, but my time is not infinite, so I'm asking for collaboration. I'm always available via IRC for any questions about the new code, so feel free to ask. Put away your usual stuff for an hour or for a day and look into those. It would help greatly and motivate me to finish other parts of the rewrite quicker. Thanks, Aleksey Bragin.

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dmesg of #6018 Re: [ros-diffs] [rharabien] 52409: [BOOTVID] - Revert part of r52239: Fix support for \r and do not handle backspace - Simplify it a bit [NTOSKRNL] - Add backspace support to KdpScreenPrint - Do not draw boot text...
by Minas Abrahamyan 21 Jun '11

21 Jun '11

Dear Rafal, Since you are touching the code of /ntoskrnl/kd/kdio.c, wouldn't you be kind enough to review and possibly apply my "dmesg command patch"? Issue in bugzilla: http://www.reactos.org/bugzilla/show_bug.cgi?id=6018 patch itself: http://www.reactos.org/bugzilla/attachment.cgi?id=6055 It contains much of code of KdbpPrint() function, in function KdbpPager(), etc. The is explanations about it in issue description. *** To all: This patch is suspended in bugzilla from March, although I noticed some weak attempts to do something with it, say reassign to somebody, but yet without any advance. Hope something will be changed with this. Thanks for attention -Minas Abrahamyan On Wed, Jun 22, 2011 at 12:47 AM, <rharabien(a)svn.reactos.org> wrote: > Author: rharabien > Date: Tue Jun 21 19:47:13 2011 > New Revision: 52409 > > URL: http://svn.reactos.org/svn/reactos?rev=52409&view=rev > Log: > [BOOTVID] > - Revert part of r52239: Fix support for \r and do not handle backspace > - Simplify it a bit > > [NTOSKRNL] > - Add backspace support to KdpScreenPrint > - Do not draw boot text bitmap if InbvDisplayString is called with "" or "." (matches NT behavior) > > Modified: > trunk/reactos/drivers/base/bootvid/i386/vga.c > trunk/reactos/ntoskrnl/inbv/inbv.c > trunk/reactos/ntoskrnl/kd/kdio.c > > Modified: trunk/reactos/drivers/base/bootvid/i386/vga.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/base/bootvid/i386/… > ============================================================================== > --- trunk/reactos/drivers/base/bootvid/i386/vga.c [iso-8859-1] (original) > +++ trunk/reactos/drivers/base/bootvid/i386/vga.c [iso-8859-1] Tue Jun 21 19:47:13 2011 > @@ -66,6 +66,7 @@ > ULONG TextColor = 0xF; > ULONG curr_x = 0; > ULONG curr_y = 0; > +BOOLEAN CarriageReturn = FALSE; > ULONG_PTR VgaRegisterBase = 0; > ULONG_PTR VgaBase = 0; > > @@ -279,14 +280,8 @@ > NTAPI > VgaScroll(ULONG Scroll) > { > - ULONG Top; > - ULONG SourceOffset, DestOffset; > - ULONG Offset; > - ULONG i, j; > - > - /* Set memory positions of the scroll */ > - SourceOffset = VgaBase + (ScrollRegion[1] * 80) + (ScrollRegion[0] >> 3); > - DestOffset = SourceOffset + (Scroll * 80); > + ULONG Top, RowSize, i; > + PUCHAR OldPosition, NewPosition; > > /* Clear the 4 planes */ > __outpw(0x3C4, 0xF02); > @@ -296,56 +291,27 @@ > > /* Set Mode 1 */ > ReadWriteMode(1); > - > - /* Save top and check if it's above the bottom */ > - Top = ScrollRegion[1]; > - if (Top > ScrollRegion[3]) return; > + > + RowSize = (ScrollRegion[2] - ScrollRegion[0] + 1) / 8; > > /* Start loop */ > - do > - { > - /* Set number of bytes to loop and start offset */ > - Offset = ScrollRegion[0] >> 3; > - j = SourceOffset; > - > - /* Check if this is part of the scroll region */ > - if (Offset <= (ScrollRegion[2] >> 3)) > - { > - /* Update position */ > - i = DestOffset - SourceOffset; > - > - /* Loop the X axis */ > - do > - { > - /* Write value in the new position so that we can do the scroll */ > - WRITE_REGISTER_UCHAR(UlongToPtr(j), > - READ_REGISTER_UCHAR(UlongToPtr(j + i))); > - > - /* Move to the next memory location to write to */ > - j++; > - > - /* Move to the next byte in the region */ > - Offset++; > - > - /* Make sure we don't go past the scroll region */ > - } while (Offset <= (ScrollRegion[2] >> 3)); > - } > - > - /* Move to the next line */ > - SourceOffset += 80; > - DestOffset += 80; > - > - /* Increase top */ > - Top++; > - > - /* Make sure we don't go past the scroll region */ > - } while (Top <= ScrollRegion[3]); > + for(Top = ScrollRegion[1]; Top <= ScrollRegion[3]; ++Top) > + { > + /* Calculate the position in memory for the row */ > + OldPosition = (PUCHAR)VgaBase + (Top + Scroll) * 80 + ScrollRegion[0] / 8; > + NewPosition = (PUCHAR)VgaBase + Top * 80 + ScrollRegion[0] / 8; > + > + /* Scroll the row */ > + for(i = 0; i < RowSize; ++i) > + WRITE_REGISTER_UCHAR(NewPosition + i, READ_REGISTER_UCHAR(OldPosition + i)); > + } > } > > VOID > NTAPI > PreserveRow(IN ULONG CurrentTop, > - IN ULONG TopDelta) > + IN ULONG TopDelta, > + IN BOOLEAN Direction) > { > PUCHAR Position1, Position2; > ULONG Count; > @@ -359,9 +325,19 @@ > /* Set Mode 1 */ > ReadWriteMode(1); > > - /* Calculate the position in memory for the row */ > - Position1 = (PUCHAR)VgaBase + 0x9600; > - Position2 = (PUCHAR)VgaBase + CurrentTop * 80; > + /* Check which way we're preserving */ > + if (Direction) > + { > + /* Calculate the position in memory for the row */ > + Position1 = (PUCHAR)VgaBase + CurrentTop * 80; > + Position2 = (PUCHAR)VgaBase + 0x9600; > + } > + else > + { > + /* Calculate the position in memory for the row */ > + Position1 = (PUCHAR)VgaBase + 0x9600; > + Position2 = (PUCHAR)VgaBase + CurrentTop * 80; > + } > > /* Set the count and make sure it's above 0 */ > Count = TopDelta * 80; > @@ -378,33 +354,6 @@ > Position1++; > } while (--Count); > } > -} > - > -VOID > -NTAPI > -CleanCharacter(IN ULONG Left, > - IN ULONG Top, > - IN ULONG TopDelta) > -{ > - PUCHAR Position1, Position2; > - ULONG i; > - > - /* Clear the 4 planes */ > - __outpw(0x3C4, 0xF02); > - > - /* Set the bitmask to 0xFF for all 4 planes */ > - __outpw(0x3CE, 0xFF08); > - > - /* Set Mode 1 */ > - ReadWriteMode(1); > - > - /* Calculate the position in memory for the character */ > - Position1 = (PUCHAR)VgaBase + 0x9600 + Left / 8; > - Position2 = (PUCHAR)VgaBase + Top * 80 + Left / 8; > - > - /* Copy data from preserved row */ > - for(i = 0; i < TopDelta; ++i) > - WRITE_REGISTER_UCHAR(Position2 + i * 80, READ_REGISTER_UCHAR(Position1)); > } > > VOID > @@ -772,35 +721,34 @@ > } > else > { > - /* Preserve the current row */ > - PreserveRow(curr_y, TopDelta); > + /* Preserve row */ > + PreserveRow(curr_y, TopDelta, FALSE); > } > > /* Update current X */ > curr_x = ScrollRegion[0]; > + > + /* Do not clear line if "\r\n" is given */ > + CarriageReturn = FALSE; > } > else if (*String == '\r') > { > /* Update current X */ > curr_x = ScrollRegion[0]; > - } > - else if (*String == '\b') > - { > - /* Update current X */ > - if (curr_x > ScrollRegion[0]) > - curr_x -= 8; > - else > - { > - /* We are at line begin - move to previous row */ > - curr_x = ScrollRegion[0]; > - curr_y -= TopDelta; > + > + /* Check if we're being followed by a new line */ > + CarriageReturn = TRUE; > + } > + else > + { > + /* check if we had a '\r' last time */ > + if (CarriageReturn) > + { > + /* We did, clear the current row */ > + PreserveRow(curr_y, TopDelta, TRUE); > + CarriageReturn = FALSE; > } > - > - /* Clean current character */ > - CleanCharacter(curr_x, curr_y, TopDelta); > - } > - else > - { > + > /* Display this character */ > DisplayCharacter(*String, curr_x, curr_y, TextColor, 16); > curr_x += 8; > @@ -819,7 +767,7 @@ > else > { > /* Preserve the current row */ > - PreserveRow(curr_y, TopDelta); > + PreserveRow(curr_y, TopDelta, FALSE); > } > > /* Update X */ > > Modified: trunk/reactos/ntoskrnl/inbv/inbv.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/inbv/inbv.c?rev=5… > ============================================================================== > --- trunk/reactos/ntoskrnl/inbv/inbv.c [iso-8859-1] (original) > +++ trunk/reactos/ntoskrnl/inbv/inbv.c [iso-8859-1] Tue Jun 21 19:47:13 2011 > @@ -717,11 +717,15 @@ > INIT_FUNCTION > DisplayFilter(PCHAR *String) > { > - /* Remove the filter */ > - InbvInstallDisplayStringFilter(NULL); > - > - /* Draw text screen */ > - DisplayBootBitmap(TRUE); > + /* Ignore empty and "." strings */ > + if(*String && strcmp(String, ".") != 0) > + { > + /* Remove the filter */ > + InbvInstallDisplayStringFilter(NULL); > + > + /* Draw text screen */ > + DisplayBootBitmap(TRUE); > + } > } > > VOID > > Modified: trunk/reactos/ntoskrnl/kd/kdio.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/kd/kdio.c?rev=524… > ============================================================================== > --- trunk/reactos/ntoskrnl/kd/kdio.c [iso-8859-1] (original) > +++ trunk/reactos/ntoskrnl/kd/kdio.c [iso-8859-1] Tue Jun 21 19:47:13 2011 > @@ -28,6 +28,10 @@ > > /* Current Port in use. FIXME: Do we support more then one? */ > ULONG KdpPort; > + > +#define KdpScreenLineLenght 80 > +CHAR KdpScreenLineBuffer[KdpScreenLineLenght + 1] = ""; > +ULONG KdpScreenLineBufferPos = 0, KdpScreenLineLength = 0; > > /* DEBUG LOG FUNCTIONS *******************************************************/ > > @@ -316,8 +320,50 @@ > KdpScreenPrint(LPSTR Message, > ULONG Length) > { > - /* Call HAL */ > - HalDisplayString(Message); > + PCHAR pch = (PCHAR) Message; > + > + while (*pch) > + { > + if(*pch == '\b') > + { > + /* HalDisplayString does not support '\b'. Workaround it and use '\r' */ > + if(KdpScreenLineLength > 0) > + { > + /* Remove last character from buffer */ > + KdpScreenLineBuffer[--KdpScreenLineLength] = '\0'; > + KdpScreenLineBufferPos = KdpScreenLineLength; > + > + /* Clear row and print line again */ > + HalDisplayString("\r"); > + HalDisplayString(KdpScreenLineBuffer); > + } > + } > + else > + { > + KdpScreenLineBuffer[KdpScreenLineLength++] = *pch; > + KdpScreenLineBuffer[KdpScreenLineLength] = '\0'; > + } > + > + if(*pch == '\n' || KdpScreenLineLength == KdpScreenLineLenght) > + { > + /* Print buffered characters */ > + if(KdpScreenLineBufferPos != KdpScreenLineLength) > + HalDisplayString(KdpScreenLineBuffer + KdpScreenLineBufferPos); > + > + /* Clear line buffer */ > + KdpScreenLineBuffer[0] = '\0'; > + KdpScreenLineLength = KdpScreenLineBufferPos = 0; > + } > + > + ++pch; > + } > + > + /* Print buffered characters */ > + if(KdpScreenLineBufferPos != KdpScreenLineLength) > + { > + HalDisplayString(KdpScreenLineBuffer + KdpScreenLineBufferPos); > + KdpScreenLineBufferPos = KdpScreenLineLength; > + } > } > > VOID > > >

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