[cgutman] 55570: [BLUE] - Fix code designed to avoid touching the hardware if it is already owned [KDIO] - Take ownership of the display if we're debugging to screen [TXTSETUP.SIF] - Add an example...
12 Feb
2012
12 Feb
'12
9:16 p.m.
Author: cgutman
Date: Sun Feb 12 21:16:34 2012
New Revision: 55570
URL: http://svn.reactos.org/svn/reactos?rev=55570&view=rev
Log:
[BLUE]
- Fix code designed to avoid touching the hardware if it is already owned
[KDIO]
- Take ownership of the display if we're debugging to screen
[TXTSETUP.SIF]
- Add an example entry of DbgOsLoadOptions for debugging 1st stage to screen
- 1st stage setup can now be debugged completely to screen with a modified txtsetup.sif
(comment 1st DbgOsLoadOptions and uncomment 2nd)
Modified:
trunk/reactos/boot/bootdata/txtsetup.sif
trunk/reactos/drivers/setup/blue/blue.c
trunk/reactos/ntoskrnl/kd/kdio.c
Modified: trunk/reactos/boot/bootdata/txtsetup.sif
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/bootdata/txtsetup.sif…
==============================================================================
--- trunk/reactos/boot/bootdata/txtsetup.sif [iso-8859-1] (original)
+++ trunk/reactos/boot/bootdata/txtsetup.sif [iso-8859-1] Sun Feb 12 21:16:34 2012
@@ -115,8 +115,8 @@
DefaultPath = \ReactOS
OsLoadOptions = "/NOGUIBOOT /NODEBUG"
DbgOsLoadOptions = "/NOGUIBOOT /DEBUGPORT=COM1 /FIRSTCHANCE"
-;OsLoadOptions = "/NOGUIBOOT /DEBUGPORT=SCREEN"
-;OsLoadOptions = "/NOGUIBOOT /DEBUGPORT=BOCHS"
+;DbgOsLoadOptions = "/SOS /DEBUGPORT=SCREEN"
+;DbgOsLoadOptions = "/NOGUIBOOT /DEBUGPORT=BOCHS"
[NLS]
AnsiCodepage = c_1252.nls
Modified: trunk/reactos/drivers/setup/blue/blue.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/setup/blue/blue.c?…
==============================================================================
--- trunk/reactos/drivers/setup/blue/blue.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/setup/blue/blue.c [iso-8859-1] Sun Feb 12 21:16:34 2012
@@ -224,7 +224,7 @@
static DRIVER_DISPATCH ScrCreate;
static NTSTATUS NTAPI
ScrCreate(PDEVICE_OBJECT DeviceObject,
- PIRP Irp)
+ PIRP Irp)
{
PDEVICE_EXTENSION DeviceExtension;
PHYSICAL_ADDRESS BaseAddress;
@@ -232,12 +232,22 @@
DeviceExtension = DeviceObject->DeviceExtension;
- ScrAcquireOwnership(DeviceExtension);
-
- /* get pointer to video memory */
- BaseAddress.QuadPart = VIDMEM_BASE;
- DeviceExtension->VideoMemory =
- (PUCHAR)MmMapIoSpace (BaseAddress, DeviceExtension->Rows *
DeviceExtension->Columns * 2, MmNonCached);
+ if (!InbvCheckDisplayOwnership())
+ {
+ ScrAcquireOwnership(DeviceExtension);
+
+ /* get pointer to video memory */
+ BaseAddress.QuadPart = VIDMEM_BASE;
+ DeviceExtension->VideoMemory =
+ (PUCHAR)MmMapIoSpace (BaseAddress, DeviceExtension->Rows *
DeviceExtension->Columns * 2, MmNonCached);
+ }
+ else
+ {
+ /* store dummy values here */
+ DeviceExtension->Columns = 1;
+ DeviceExtension->Rows = 1;
+ DeviceExtension->ScanLines = 1;
+ }
DeviceExtension->CursorSize = 5; /* FIXME: value correct?? */
DeviceExtension->CursorVisible = TRUE;
@@ -258,7 +268,7 @@
static DRIVER_DISPATCH ScrWrite;
static NTSTATUS NTAPI
ScrWrite(PDEVICE_OBJECT DeviceObject,
- PIRP Irp)
+ PIRP Irp)
{
PIO_STACK_LOCATION stk = IoGetCurrentIrpStackLocation (Irp);
PDEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
@@ -271,16 +281,16 @@
int rows, columns;
int processed = DeviceExtension->Mode & ENABLE_PROCESSED_OUTPUT;
- if (0 && InbvCheckDisplayOwnership())
- {
- /* Display is in graphics mode, we're not allowed to touch it */
- Status = STATUS_SUCCESS;
-
- Irp->IoStatus.Status = Status;
- IoCompleteRequest (Irp, IO_NO_INCREMENT);
-
- return Status;
- }
+ if (InbvCheckDisplayOwnership())
+ {
+ /* Display is in graphics mode, we're not allowed to touch it */
+ Status = STATUS_SUCCESS;
+
+ Irp->IoStatus.Status = Status;
+ IoCompleteRequest (Irp, IO_NO_INCREMENT);
+
+ return Status;
+ }
vidmem = DeviceExtension->VideoMemory;
rows = DeviceExtension->Rows;
@@ -297,86 +307,86 @@
cursorx = offset % columns;
if( processed == 0 )
{
- /* raw output mode */
- memcpy( &vidmem[(cursorx * 2) + (cursory * columns * 2)], pch,
stk->Parameters.Write.Length );
- offset += (stk->Parameters.Write.Length / 2);
+ /* raw output mode */
+ memcpy( &vidmem[(cursorx * 2) + (cursory * columns * 2)], pch,
stk->Parameters.Write.Length );
+ offset += (stk->Parameters.Write.Length / 2);
}
else {
for (i = 0; i < stk->Parameters.Write.Length; i++, pch++)
- {
- switch (*pch)
- {
- case '\b':
- if (cursorx > 0)
- {
- cursorx--;
- }
- else if (cursory > 0)
- {
- cursorx = columns - 1;
- cursory--;
- }
- vidmem[(cursorx * 2) + (cursory * columns * 2)] = ' ';
- vidmem[(cursorx * 2) + (cursory * columns * 2) + 1] = (char)
DeviceExtension->CharAttribute;
- break;
-
- case '\n':
- cursory++;
- cursorx = 0;
- break;
-
- case '\r':
- cursorx = 0;
- break;
-
- case '\t':
- offset = TAB_WIDTH - (cursorx % TAB_WIDTH);
- for (j = 0; j < offset; j++)
- {
- vidmem[(cursorx * 2) + (cursory * columns * 2)] = ' ';
- cursorx++;
-
- if (cursorx >= columns)
- {
- cursory++;
- cursorx = 0;
- }
- }
- break;
-
- default:
- vidmem[(cursorx * 2) + (cursory * columns * 2)] = *pch;
- vidmem[(cursorx * 2) + (cursory * columns * 2) + 1] = (char)
DeviceExtension->CharAttribute;
- cursorx++;
- if (cursorx >= columns)
- {
- cursory++;
- cursorx = 0;
- }
- break;
- }
- if (cursory >= rows)
- {
- unsigned short *LinePtr;
-
- memcpy (vidmem,
- &vidmem[columns * 2],
- columns * (rows - 1) * 2);
-
- LinePtr = (unsigned short *) &vidmem[columns * (rows - 1) * 2];
-
- for (j = 0; j < columns; j++)
- {
- LinePtr[j] = DeviceExtension->CharAttribute << 8;
- }
- cursory = rows - 1;
- for (j = 0; j < columns; j++)
- {
- vidmem[(j * 2) + (cursory * columns * 2)] = ' ';
- vidmem[(j * 2) + (cursory * columns * 2) + 1] =
(char)DeviceExtension->CharAttribute;
- }
- }
- }
+ {
+ switch (*pch)
+ {
+ case '\b':
+ if (cursorx > 0)
+ {
+ cursorx--;
+ }
+ else if (cursory > 0)
+ {
+ cursorx = columns - 1;
+ cursory--;
+ }
+ vidmem[(cursorx * 2) + (cursory * columns * 2)] = ' ';
+ vidmem[(cursorx * 2) + (cursory * columns * 2) + 1] = (char)
DeviceExtension->CharAttribute;
+ break;
+
+ case '\n':
+ cursory++;
+ cursorx = 0;
+ break;
+
+ case '\r':
+ cursorx = 0;
+ break;
+
+ case '\t':
+ offset = TAB_WIDTH - (cursorx % TAB_WIDTH);
+ for (j = 0; j < offset; j++)
+ {
+ vidmem[(cursorx * 2) + (cursory * columns * 2)] = ' ';
+ cursorx++;
+
+ if (cursorx >= columns)
+ {
+ cursory++;
+ cursorx = 0;
+ }
+ }
+ break;
+
+ default:
+ vidmem[(cursorx * 2) + (cursory * columns * 2)] = *pch;
+ vidmem[(cursorx * 2) + (cursory * columns * 2) + 1] = (char)
DeviceExtension->CharAttribute;
+ cursorx++;
+ if (cursorx >= columns)
+ {
+ cursory++;
+ cursorx = 0;
+ }
+ break;
+ }
+ if (cursory >= rows)
+ {
+ unsigned short *LinePtr;
+
+ memcpy (vidmem,
+ &vidmem[columns * 2],
+ columns * (rows - 1) * 2);
+
+ LinePtr = (unsigned short *) &vidmem[columns * (rows - 1) * 2];
+
+ for (j = 0; j < columns; j++)
+ {
+ LinePtr[j] = DeviceExtension->CharAttribute << 8;
+ }
+ cursory = rows - 1;
+ for (j = 0; j < columns; j++)
+ {
+ vidmem[(j * 2) + (cursory * columns * 2)] = ' ';
+ vidmem[(j * 2) + (cursory * columns * 2) + 1] =
(char)DeviceExtension->CharAttribute;
+ }
+ }
+ }
/* Set the cursor position */
offset = (cursory * columns) + cursorx;
@@ -400,7 +410,7 @@
static DRIVER_DISPATCH ScrIoControl;
static NTSTATUS NTAPI
ScrIoControl(PDEVICE_OBJECT DeviceObject,
- PIRP Irp)
+ PIRP Irp)
{
PIO_STACK_LOCATION stk = IoGetCurrentIrpStackLocation (Irp);
PDEVICE_EXTENSION DeviceExtension;
@@ -416,13 +426,20 @@
int columns = DeviceExtension->Columns;
unsigned int offset;
- /* read cursor position from crtc */
- _disable();
- WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSLO);
- offset = READ_PORT_UCHAR (CRTC_DATA);
- WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSHI);
- offset += (READ_PORT_UCHAR (CRTC_DATA) << 8);
- _enable();
+ if (!InbvCheckDisplayOwnership())
+ {
+ /* read cursor position from crtc */
+ _disable();
+ WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSLO);
+ offset = READ_PORT_UCHAR (CRTC_DATA);
+ WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSHI);
+ offset += (READ_PORT_UCHAR (CRTC_DATA) << 8);
+ _enable();
+ }
+ else
+ {
+ offset = 0;
+ }
pcsbi->dwSize.X = columns;
pcsbi->dwSize.Y = rows;
@@ -454,12 +471,15 @@
offset = (pcsbi->dwCursorPosition.Y * DeviceExtension->Columns) +
pcsbi->dwCursorPosition.X;
- _disable();
- WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSLO);
- WRITE_PORT_UCHAR (CRTC_DATA, offset);
- WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSHI);
- WRITE_PORT_UCHAR (CRTC_DATA, offset>>8);
- _enable();
+ if (!InbvCheckDisplayOwnership())
+ {
+ _disable();
+ WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSLO);
+ WRITE_PORT_UCHAR (CRTC_DATA, offset);
+ WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSHI);
+ WRITE_PORT_UCHAR (CRTC_DATA, offset>>8);
+ _enable();
+ }
Irp->IoStatus.Information = 0;
Status = STATUS_SUCCESS;
@@ -486,25 +506,29 @@
DeviceExtension->CursorSize = pcci->dwSize;
DeviceExtension->CursorVisible = pcci->bVisible;
- height = DeviceExtension->ScanLines;
- data = (pcci->bVisible) ? 0x00 : 0x20;
-
- size = (pcci->dwSize * height) / 100;
- if (size < 1)
+
+ if (!InbvCheckDisplayOwnership())
+ {
+ height = DeviceExtension->ScanLines;
+ data = (pcci->bVisible) ? 0x00 : 0x20;
+
+ size = (pcci->dwSize * height) / 100;
+ if (size < 1)
{
size = 1;
}
- data |= (UCHAR)(height - size);
-
- _disable();
- WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORSTART);
- WRITE_PORT_UCHAR (CRTC_DATA, data);
- WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSOREND);
- value = READ_PORT_UCHAR (CRTC_DATA) & 0xE0;
- WRITE_PORT_UCHAR (CRTC_DATA, value | (height - 1));
-
- _enable();
+ data |= (UCHAR)(height - size);
+
+ _disable();
+ WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORSTART);
+ WRITE_PORT_UCHAR (CRTC_DATA, data);
+ WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSOREND);
+ value = READ_PORT_UCHAR (CRTC_DATA) & 0xE0;
+ WRITE_PORT_UCHAR (CRTC_DATA, value | (height - 1));
+
+ _enable();
+ }
Irp->IoStatus.Information = 0;
Status = STATUS_SUCCESS;
@@ -540,14 +564,17 @@
int offset;
ULONG dwCount;
- vidmem = DeviceExtension->VideoMemory;
- offset = (Buf->dwCoord.Y * DeviceExtension->Columns * 2) +
- (Buf->dwCoord.X * 2) + 1;
-
- for (dwCount = 0; dwCount < Buf->nLength; dwCount++)
+ if (!InbvCheckDisplayOwnership())
+ {
+ vidmem = DeviceExtension->VideoMemory;
+ offset = (Buf->dwCoord.Y * DeviceExtension->Columns * 2) +
+ (Buf->dwCoord.X * 2) + 1;
+
+ for (dwCount = 0; dwCount < Buf->nLength; dwCount++)
{
vidmem[offset + (dwCount * 2)] = (char) Buf->wAttribute;
}
+ }
Buf->dwTransfered = Buf->nLength;
@@ -564,16 +591,23 @@
int offset;
ULONG dwCount;
- vidmem = DeviceExtension->VideoMemory;
- offset = (Buf->dwCoord.Y * DeviceExtension->Columns * 2) +
- (Buf->dwCoord.X * 2) + 1;
-
- for (dwCount = 0; dwCount <
stk->Parameters.DeviceIoControl.OutputBufferLength; dwCount++, pAttr++)
+ if (!InbvCheckDisplayOwnership())
+ {
+ vidmem = DeviceExtension->VideoMemory;
+ offset = (Buf->dwCoord.Y * DeviceExtension->Columns * 2) +
+ (Buf->dwCoord.X * 2) + 1;
+
+ for (dwCount = 0; dwCount <
stk->Parameters.DeviceIoControl.OutputBufferLength; dwCount++, pAttr++)
{
*((char *) pAttr) = vidmem[offset + (dwCount * 2)];
}
- Buf->dwTransfered = dwCount;
+ Buf->dwTransfered = dwCount;
+ }
+ else
+ {
+ Buf->dwTransfered = 0;
+ }
Irp->IoStatus.Information = sizeof(OUTPUT_ATTRIBUTE);
Status = STATUS_SUCCESS;
@@ -588,14 +622,18 @@
int offset;
ULONG dwCount;
- vidmem = DeviceExtension->VideoMemory;
- offset = (pCoord->Y * DeviceExtension->Columns * 2) +
- (pCoord->X * 2) + 1;
-
- for (dwCount = 0; dwCount <
(stk->Parameters.DeviceIoControl.OutputBufferLength - sizeof( COORD )); dwCount++,
pAttr++)
+ if (!InbvCheckDisplayOwnership())
+ {
+ vidmem = DeviceExtension->VideoMemory;
+ offset = (pCoord->Y * DeviceExtension->Columns * 2) +
+ (pCoord->X * 2) + 1;
+
+ for (dwCount = 0; dwCount <
(stk->Parameters.DeviceIoControl.OutputBufferLength - sizeof( COORD )); dwCount++,
pAttr++)
{
vidmem[offset + (dwCount * 2)] = *pAttr;
}
+ }
+
Irp->IoStatus.Information = 0;
Status = STATUS_SUCCESS;
}
@@ -614,15 +652,18 @@
int offset;
ULONG dwCount;
- vidmem = DeviceExtension->VideoMemory;
- offset = (Buf->dwCoord.Y * DeviceExtension->Columns * 2) +
- (Buf->dwCoord.X * 2);
-
-
- for (dwCount = 0; dwCount < Buf->nLength; dwCount++)
+ if (!InbvCheckDisplayOwnership())
+ {
+ vidmem = DeviceExtension->VideoMemory;
+ offset = (Buf->dwCoord.Y * DeviceExtension->Columns * 2) +
+ (Buf->dwCoord.X * 2);
+
+
+ for (dwCount = 0; dwCount < Buf->nLength; dwCount++)
{
vidmem[offset + (dwCount * 2)] = (char) Buf->cCharacter;
}
+ }
Buf->dwTransfered = Buf->nLength;
@@ -639,16 +680,23 @@
int offset;
ULONG dwCount;
- vidmem = DeviceExtension->VideoMemory;
- offset = (Buf->dwCoord.Y * DeviceExtension->Columns * 2) +
- (Buf->dwCoord.X * 2);
-
- for (dwCount = 0; dwCount <
stk->Parameters.DeviceIoControl.OutputBufferLength; dwCount++, pChar++)
+ if (!InbvCheckDisplayOwnership())
+ {
+ vidmem = DeviceExtension->VideoMemory;
+ offset = (Buf->dwCoord.Y * DeviceExtension->Columns * 2) +
+ (Buf->dwCoord.X * 2);
+
+ for (dwCount = 0; dwCount <
stk->Parameters.DeviceIoControl.OutputBufferLength; dwCount++, pChar++)
{
*pChar = vidmem[offset + (dwCount * 2)];
}
- Buf->dwTransfered = dwCount;
+ Buf->dwTransfered = dwCount;
+ }
+ else
+ {
+ Buf->dwTransfered = 0;
+ }
Irp->IoStatus.Information = sizeof(OUTPUT_ATTRIBUTE);
Status = STATUS_SUCCESS;
@@ -663,16 +711,19 @@
int offset;
ULONG dwCount;
- pCoord = (COORD *)MmGetSystemAddressForMdl(Irp->MdlAddress);
- pChar = (CHAR *)(pCoord + 1);
- vidmem = DeviceExtension->VideoMemory;
- offset = (pCoord->Y * DeviceExtension->Columns * 2) +
- (pCoord->X * 2);
-
- for (dwCount = 0; dwCount <
(stk->Parameters.DeviceIoControl.OutputBufferLength - sizeof( COORD )); dwCount++,
pChar++)
+ if (!InbvCheckDisplayOwnership())
+ {
+ pCoord = (COORD *)MmGetSystemAddressForMdl(Irp->MdlAddress);
+ pChar = (CHAR *)(pCoord + 1);
+ vidmem = DeviceExtension->VideoMemory;
+ offset = (pCoord->Y * DeviceExtension->Columns * 2) +
+ (pCoord->X * 2);
+
+ for (dwCount = 0; dwCount <
(stk->Parameters.DeviceIoControl.OutputBufferLength - sizeof( COORD )); dwCount++,
pChar++)
{
vidmem[offset + (dwCount * 2)] = *pChar;
}
+ }
Irp->IoStatus.Information = 0;
Status = STATUS_SUCCESS;
@@ -685,29 +736,32 @@
PUCHAR Src, Dest;
UINT32 SrcDelta, DestDelta, i, Offset;
- ConsoleDraw = (PCONSOLE_DRAW) MmGetSystemAddressForMdl(Irp->MdlAddress);
- Src = (PUCHAR) (ConsoleDraw + 1);
- SrcDelta = ConsoleDraw->SizeX * 2;
- Dest = DeviceExtension->VideoMemory +
- (ConsoleDraw->Y * DeviceExtension->Columns + ConsoleDraw->X) *
2;
- DestDelta = DeviceExtension->Columns * 2;
-
- for (i = 0; i < ConsoleDraw->SizeY; i++)
+ if (!InbvCheckDisplayOwnership())
+ {
+ ConsoleDraw = (PCONSOLE_DRAW) MmGetSystemAddressForMdl(Irp->MdlAddress);
+ Src = (PUCHAR) (ConsoleDraw + 1);
+ SrcDelta = ConsoleDraw->SizeX * 2;
+ Dest = DeviceExtension->VideoMemory +
+ (ConsoleDraw->Y * DeviceExtension->Columns + ConsoleDraw->X)
* 2;
+ DestDelta = DeviceExtension->Columns * 2;
+
+ for (i = 0; i < ConsoleDraw->SizeY; i++)
{
RtlCopyMemory(Dest, Src, SrcDelta);
Src += SrcDelta;
Dest += DestDelta;
}
- Offset = (ConsoleDraw->CursorY * DeviceExtension->Columns) +
- ConsoleDraw->CursorX;
-
- _disable();
- WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSLO);
- WRITE_PORT_UCHAR (CRTC_DATA, Offset);
- WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSHI);
- WRITE_PORT_UCHAR (CRTC_DATA, Offset >> 8);
- _enable();
+ Offset = (ConsoleDraw->CursorY * DeviceExtension->Columns) +
+ ConsoleDraw->CursorX;
+
+ _disable();
+ WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSLO);
+ WRITE_PORT_UCHAR (CRTC_DATA, Offset);
+ WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSHI);
+ WRITE_PORT_UCHAR (CRTC_DATA, Offset >> 8);
+ _enable();
+ }
Irp->IoStatus.Information = 0;
Status = STATUS_SUCCESS;
@@ -718,8 +772,11 @@
{
UINT32 CodePage = (UINT32)*(PULONG)Irp->AssociatedIrp.SystemBuffer;
- // Upload a font for the codepage if needed
- ScrLoadFontTable(CodePage);
+ if (!InbvCheckDisplayOwnership())
+ {
+ // Upload a font for the codepage if needed
+ ScrLoadFontTable(CodePage);
+ }
Irp->IoStatus.Information = 0;
Status = STATUS_SUCCESS;
@@ -739,7 +796,7 @@
static DRIVER_DISPATCH ScrDispatch;
static NTSTATUS NTAPI
ScrDispatch(PDEVICE_OBJECT DeviceObject,
- PIRP Irp)
+ PIRP Irp)
{
PIO_STACK_LOCATION stk = IoGetCurrentIrpStackLocation(Irp);
NTSTATUS Status;
Modified: trunk/reactos/ntoskrnl/kd/kdio.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/kd/kdio.c?rev=555…
==============================================================================
--- trunk/reactos/ntoskrnl/kd/kdio.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/kd/kdio.c [iso-8859-1] Sun Feb 12 21:16:34 2012
@@ -485,6 +485,15 @@
KdpDmesgFreeBytes = KdpDmesgBufferSize;
KdbDmesgTotalWritten = 0;
+ /* Take control of the display */
+ InbvAcquireDisplayOwnership();
+ InbvResetDisplay();
+ InbvSolidColorFill(0, 0, 639, 479, 6);
+ InbvSetTextColor(15);
+ InbvSetScrollRegion(0, 0, 639, 479);
+ InbvInstallDisplayStringFilter(NULL);
+ InbvEnableDisplayString(TRUE);
+
/* Initialize spinlock */
KeInitializeSpinLock(&KdpDmesgLogSpinLock);
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