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Diffstat (limited to 'Core/CORE_DXE/ConSplitter/Out.c')
| -rw-r--r-- | Core/CORE_DXE/ConSplitter/Out.c | 1323 |
1 files changed, 1323 insertions, 0 deletions
diff --git a/Core/CORE_DXE/ConSplitter/Out.c b/Core/CORE_DXE/ConSplitter/Out.c new file mode 100644 index 0000000..d11ebc8 --- /dev/null +++ b/Core/CORE_DXE/ConSplitter/Out.c @@ -0,0 +1,1323 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2009, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** + +//********************************************************************** +// $Header: /Alaska/SOURCE/Core/CORE_DXE/ConSplitter/Out.c 19 7/06/12 11:31a Artems $ +// +// $Revision: 19 $ +// +// $Date: 7/06/12 11:31a $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Core/CORE_DXE/ConSplitter/Out.c $ +// +// 19 7/06/12 11:31a Artems +// [TAG] EIP N/A +// [Category] Improvement +// [Description] Support for monitor native resolution +// [Files] Gc.c, Consplit.c, Out.c, Core_Dxe.sdl +// +// 18 10/27/11 12:50p Felixp +// [TAG] EIP65867 +// [Category] Improvement +// [Description] Screen content that was printed in a timer callback was +// not getting restored after OpROM +// execution. +// The previous check-in didn't address all the issue. +// This is a more sophisticated solution. +// +// 17 8/03/11 3:27p Felixp +// [TAG] EIP65867 +// [Category] Improvement +// [Description] Screen content that was printed in a timer callback was +// not getting restored after OpROM execution. +// RestoreTheScreen function is updated. +// +// 16 10/09/09 6:15p Felixp +// UGA constant replaced with GOP constant (UEFI 2.1 compatibility) +// +// 15 7/07/09 3:35p Artems +// Added functions headers according to code standard +// +// 14 6/16/09 5:49p Artems +// EIP 21415 Fixed error with CursorVisible variable +// +// 11 10/23/07 10:13a Felixp +// Bug fix: System was hanging in SCT during Simple Text Output protocol +// testing +// when "Enable Screen Ouput" SCT option was enabled. +// +// 10 7/20/07 12:16p Felixp +// Clear the screen when switching from graphics screen to text screen +// without mode switching +// +// 9 1/05/07 6:01p Artems +// +// 8 12/29/06 3:01p Felixp +// 1. Support for GraphicsOutput protocol added +// 2. Support for more then one text mode added +// +// 7 9/27/06 7:42p Felixp +// SetMode funciton of the ConsoleControl protocol is updated to restore +// default UGA mode when switching from grphics to text. +// +// 6 3/13/06 2:37a Felixp +// +// 5 12/12/05 8:36p Felixp +// RestoreTheScreen update: Restore Cursor Status +// +// 4 12/12/05 9:32a Felixp +// Support for synchronization of console devices +// (now screen is restored after legacy OpROM execution). +// +// 3 7/21/05 5:12p Robert +// +// 2 1/31/05 11:31a Robert +// +// 1 1/28/05 1:16p Felixp +// +// 2 1/18/05 3:22p Felixp +// PrintDebugMessage renamed to Trace +// +// 1 1/07/05 11:57a Felixp +// +// 2 1/03/05 5:47p Robert +// Working beta version of the consplitter +// +// 1 12/30/04 9:47a Robert +// Initial check in +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: Out.c +// +// Description: File contains the Simple Text Output functionality for the +// Console Splitter Driver +// +//<AMI_FHDR_END> +//********************************************************************** + +//---------------------------------------------------------------------------- + +#include "ConSplit.h" +#include <Protocol/GraphicsOutput.h> + +//---------------------------------------------------------------------------- + +#define DefaultAttribute 0x0F +#define DefaultCursorVisible TRUE + +SUPPORT_RES *SupportedModes = NULL; + +SIMPLE_TEXT_OUTPUT_MODE MasterMode = + { + 1, // MaxMode + 0, // Current Mode + 0x0F, // Attribute + 0, // Column + 0, // Row + 1 // CursorVisible + }; + + +EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL mCSOutProtocol = + { + CSReset, + CSOutputString, + CSTestString, + CSQueryMode, + CSSetMode, + CSSetAttribute, + CSClearScreen, + CSSetCursorPosition, + CSEnableCursor, + &MasterMode + }; + +//****************************** Virtual ConOut **********************// +CHAR16 *ScreenBuffer = NULL; +CHAR16 *SaveScreenBuffer = NULL; +CHAR16 *EndOfTheScreen = NULL; +INT32 *AttributeBuffer = NULL; +INT32 *SaveAttributeBuffer = NULL; +INT32 Columns = 0; +BOOLEAN BlankScreen = TRUE; + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: ScrollScreen +// +// Description: +// This function scrolls internal splitter buffer +// +// Input: +// VOID +// +// Output: +// VOID +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +VOID ScrollScreen( + VOID +) +{ + INT32 i; + CHAR16 *pChar = EndOfTheScreen - Columns; + INT32 *pAttr = AttributeBuffer + (pChar-ScreenBuffer); + + pBS->CopyMem( + ScreenBuffer+Columns, ScreenBuffer, + sizeof(CHAR16)* (EndOfTheScreen - pChar) + ); + + for(i=0; i<Columns; i++) + { + *pChar++ = ' '; + *pAttr++ = MasterMode.Attribute; + } +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: MemOutputString +// +// Description: +// This function puts string into internal splitter buffer +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// IN CHAR16 *String - pointer to string +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - function executed successfully +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS MemOutputString( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, + IN CHAR16 *String +) +{ + INT32 Col = MasterMode.CursorColumn; + UINTN Offset = MasterMode.CursorRow * Columns; + CHAR16 *pChar = ScreenBuffer + Offset + Col; + INT32 *pAttr = AttributeBuffer + Offset + Col; + BlankScreen = FALSE; + + while(TRUE){ + switch(*String){ + case 0: + return EFI_SUCCESS; + case '\n': + if ((pChar + Columns) >= EndOfTheScreen) + ScrollScreen(); + else + { + pChar += Columns; + pAttr += Columns; + } + break; + case '\r': + pChar -= Col; + pAttr -= Col; + Col = 0; + break; + case '\b': + if (Col) + { + pChar--; + pAttr--; + Col--; + } + break; + default: + if ((pChar + 1) == EndOfTheScreen) + { + ScrollScreen(); + pChar -= Col; + pAttr -= Col; + Col = 0; + } + else + { + *pChar++ = *String; + *pAttr++ = MasterMode.Attribute; + Col++; + if (Col >= Columns) + Col = 0; + } + break; + } + String++; + } + return EFI_SUCCESS; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: RestoreTextScreen +// +// Description: +// This function restores screen after switching mode +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *pScreen - pointer to protocol instance +// +// Output: +// VOID +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +VOID RestoreTextScreen( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *pScreen +) +{ + CHAR16 *pChar = ScreenBuffer, *pStr = ScreenBuffer; + INT32 Col = 0, *pAttr = AttributeBuffer, Attr; + CHAR16 c; + + if (BlankScreen) + return; + + Attr = *pAttr; + pScreen->SetCursorPosition(pScreen,0,0); + pScreen->SetAttribute(pScreen,Attr); + + for(; pChar<EndOfTheScreen; pChar++, pAttr++) + { + if (Col == Columns || *pAttr != Attr) + { + c = *pChar; + *pChar = 0; + pScreen->OutputString(pScreen, pStr); + *pChar = c; + pStr = pChar; + if (*pAttr != Attr) + { + Attr = *pAttr; + pScreen->SetAttribute(pScreen, Attr); + } + else + { + Col=1; + continue; + } + } + Col++; + } + //print last row + c = *--pChar; + *pChar = 0; + pScreen->OutputString(pScreen, pStr); + *pChar = c; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: MemClearScreen +// +// Description: +// This function clears internal splitter buffer +// +// Input: +// VOID +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - function executed successfully +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS MemClearScreen( + VOID +) +{ + CHAR16 *pChar; + INT32 *pAttr; + for( pChar = ScreenBuffer, pAttr = AttributeBuffer + ; pChar < EndOfTheScreen + ; pChar++, pAttr++ ) + { + *pChar = ' '; + *pAttr = MasterMode.Attribute; + } + BlankScreen = TRUE; + return EFI_SUCCESS; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: MemReset +// +// Description: +// This function resets internal splitter buffer +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// IN BOOLEAN EV - extended verification flag +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - function executed successfully +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS MemReset( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, + IN BOOLEAN EV +) +{ + return MemClearScreen(); +} + +///////////////// Uga Save/Restore +EFI_GRAPHICS_OUTPUT_BLT_PIXEL *PixelBuffer = NULL; +UINT32 GraphicsMode, TextMode = 0; + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: RestoreUgaScreen +// +// Description: +// This function restores screen after switching from text to graphics mode +// +// Input: +// IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This - pointer to protocol instance +// +// Output: +// VOID +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +VOID RestoreUgaScreen( + IN EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop +) +{ + if (PixelBuffer){ + EFI_STATUS Status; + Status = Gop->SetMode(Gop, GraphicsMode); + if (!EFI_ERROR(Status)) + Gop->Blt( + Gop, PixelBuffer, EfiBltBufferToVideo, 0, 0, 0, 0, + Gop->Mode->Info->HorizontalResolution, + Gop->Mode->Info->VerticalResolution, 0 + ); + pBS->FreePool(PixelBuffer); + PixelBuffer = NULL; + } +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: SaveUgaScreen +// +// Description: +// This function saves graphics screen before switching to text mode +// +// Input: +// IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This - pointer to protocol instance +// +// Output: +// VOID +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +VOID SaveUgaScreen( + IN EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop +) +{ + if (PixelBuffer) + pBS->FreePool(PixelBuffer); + + GraphicsMode=Gop->Mode->Mode; + PixelBuffer = Malloc( + Gop->Mode->Info->VerticalResolution* + Gop->Mode->Info->HorizontalResolution* + sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); + + if (PixelBuffer) + { + EFI_STATUS Status=Gop->Blt( + Gop, PixelBuffer, EfiBltVideoToBltBuffer, 0, 0, 0, 0, + Gop->Mode->Info->HorizontalResolution, + Gop->Mode->Info->VerticalResolution, 0); + + if (EFI_ERROR(Status)) + { + pBS->FreePool(PixelBuffer); + PixelBuffer = NULL; + } + } +} + +static EFI_GUID guidGop = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID; + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: RestoreTextScreenDelta +// +// Description: +// This function checks to see if anything has changed on the screen since the +// graphics output device was disabled. If something has changed, then it will +// add that to the display. +// +// Input: +// VOID +// +// Output: +// VOID +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +VOID RestoreTextScreenDelta( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *pScreen +) +{ + UINT32 i; + CHAR16 StrBuffer[2] = {0, 0}; + CONST UINT32 SizeOfScreen = (UINT32)((UINT8*)EndOfTheScreen-(UINT8*)ScreenBuffer) / sizeof(CHAR16); + + + // Check for differences from the old state, one by one + // If anything is different, update the screen with Simple Out protocol + for(i = 0; i < SizeOfScreen; i++) + { + if( (*(SaveScreenBuffer+i) != *(ScreenBuffer + i)) || + (*(SaveAttributeBuffer+i) != *(AttributeBuffer + i)) ) + { + StrBuffer[0] = *(ScreenBuffer + i); + pScreen->SetCursorPosition(pScreen, i % Columns, i / Columns); + pScreen->SetAttribute(pScreen, (UINT8)*(AttributeBuffer + i) ); + pScreen->OutputString(pScreen, StrBuffer ); + } + } + +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: RestoreTheScreen +// +// Description: +// This function restores screen of the output device after switching modes +// +// Input: +// IN EFI_HANDLE ControllerHandle - handle of output device to restore +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleOut - pointer to protocol instance +// +// Output: +// VOID +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +VOID RestoreTheScreen( + IN EFI_HANDLE ControllerHandle, + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleOut +) +{ + EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop; + + if (EFI_ERROR(pBS->HandleProtocol(ControllerHandle, &guidGop, &Gop))) + RestoreTextScreen(SimpleOut); + else + { + RestoreUgaScreen(Gop); + if(SaveScreenBuffer != NULL) + { + RestoreTextScreenDelta(SimpleOut); + pBS->FreePool(SaveScreenBuffer); + pBS->FreePool(SaveAttributeBuffer); + } + } + SimpleOut->SetAttribute(SimpleOut,MasterMode.Attribute); + SimpleOut->EnableCursor(SimpleOut,MasterMode.CursorVisible); + SimpleOut->SetCursorPosition(SimpleOut,MasterMode.CursorColumn,MasterMode.CursorRow); +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: SaveTheScreen +// +// Description: +// This function saves the screen of the output device before switching modes +// +// Input: +// IN EFI_HANDLE ControllerHandle - handle of output device to save +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleOut - pointer to protocol instance +// +// Output: +// VOID +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +VOID SaveTheScreen( + IN EFI_HANDLE ControllerHandle, + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleOut) +{ + EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop; + UINT32 SizeOfScreen, SizeOfAttribute; + EFI_TPL OldTpl; + + if (!EFI_ERROR(pBS->HandleProtocol(ControllerHandle, &guidGop, &Gop))) + { + + SizeOfScreen = (UINT32)((UINT8*)EndOfTheScreen-(UINT8*)ScreenBuffer); + SizeOfAttribute = (UINT32)SizeOfScreen*(sizeof(INT32)/sizeof(CHAR16)); + + // Allocate memory for saving the screen state, error out if not enough memory + SaveScreenBuffer=Malloc(SizeOfScreen); + if(SaveScreenBuffer==NULL) return; + SaveAttributeBuffer=Malloc(SizeOfAttribute); + if(SaveAttributeBuffer==NULL){ + pBS->FreePool(SaveScreenBuffer); + return; + } + // Make this high priority so that the saved text screen is exactly + // the same as graphics screen + OldTpl = pBS->RaiseTPL(TPL_HIGH_LEVEL); + + // Perform using MemCpy (instead of pBS->MemCopy) to prevent TPL assert + MemCpy(SaveScreenBuffer, ScreenBuffer, SizeOfScreen); + MemCpy(SaveAttributeBuffer, AttributeBuffer, SizeOfAttribute); + + pBS->RestoreTPL(OldTpl); + SaveUgaScreen(Gop); + } +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: SaveUgaMode +// +// Description: +// This function saves the graphics mode of the output device before switching modes +// +// Input: +// IN EFI_HANDLE ControllerHandle - handle of output device to save +// +// Output: +// VOID +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +VOID SaveUgaMode( + IN EFI_HANDLE ControllerHandle +) +{ + EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop; + + if (EFI_ERROR(pBS->HandleProtocol(ControllerHandle, &guidGop, &Gop))) + return; + + TextMode=Gop->Mode->Mode; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: RestoreUgaMode +// +// Description: +// This function restores the graphics mode of the output device after switching modes +// +// Input: +// IN EFI_HANDLE ControllerHandle - handle of output device to restore +// +// Output: +// VOID +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +VOID RestoreUgaMode( + IN EFI_HANDLE ControllerHandle +) +{ + EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop; + + if (EFI_ERROR(pBS->HandleProtocol(ControllerHandle, &guidGop, &Gop))) + return; + + if (TextMode!=Gop->Mode->Mode) + { + Gop->SetMode(Gop,TextMode); + } + else + {//Just clear the screen + EFI_GRAPHICS_OUTPUT_BLT_PIXEL Buffer = {0,0,0,0}; + Gop->Blt( Gop, &Buffer, EfiBltVideoFill,0,0,0,0, + Gop->Mode->Info->HorizontalResolution, + Gop->Mode->Info->VerticalResolution, + 0 + ); + } +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: CSReset +// +// Description: +// This function resets the text output device +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// IN BOOLEAN EV - extended verification flag +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - all devices, handled by splitter were reset successfully +// EFI_DEVICE_ERROR - error occured during resetting the device +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS CSReset( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, + IN BOOLEAN EV +) +{ + EFI_STATUS Status = EFI_SUCCESS, TestStatus; + CON_SPLIT_OUT *SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + if (SimpleOut == NULL) + return EFI_DEVICE_ERROR; + + // we need to loop through all the registered simple text out devices + // and call each of their Reset function + while ( SimpleOut != NULL) + { + TestStatus = SimpleOut->SimpleOut->Reset(SimpleOut->SimpleOut, EV); + SimpleOut = OUTTER(SimpleOut->Link.pNext, Link, CON_SPLIT_OUT); + + if (EFI_ERROR(TestStatus)) + Status = TestStatus; + } + SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + UpdateMasterMode(SimpleOut->SimpleOut->Mode); + + MemReset(This,EV); + + return Status; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: CSOutputString +// +// Description: +// This function writes a string to the output device +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// IN CHAR16 *String - pointer to string to write +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - function executed successfully +// EFI_DEVICE_ERROR - error occured during output string +// EFI_WARN_UNKNOWN_GLYPH - some of characters were skipped during output +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS CSOutputString( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, + IN CHAR16 *String +) +{ + EFI_STATUS Status = EFI_SUCCESS, TestStatus; + CON_SPLIT_OUT *SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + MemOutputString(This,String); + + if (SimpleOut == NULL) + return EFI_DEVICE_ERROR; + + // we need to loop through all the registered simple text out devices + // and call each of their OutputString function + while ( SimpleOut != NULL) + { + TestStatus = SimpleOut->SimpleOut->OutputString(SimpleOut->SimpleOut, String); + SimpleOut = OUTTER(SimpleOut->Link.pNext, Link, CON_SPLIT_OUT); + + if (EFI_ERROR(TestStatus)) + Status = TestStatus; + } + + SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + UpdateMasterMode(SimpleOut->SimpleOut->Mode); + + return Status; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: CSTestString +// +// Description: +// This function tests whether all characters in String can be drawn on device +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// IN CHAR16 *String - pointer to string to test +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - all characters can be drawn +// EFI_UNSUPPORTED - there are characters that cannot be drawn +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS CSTestString( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, + IN CHAR16 *String) +{ + EFI_STATUS Status = EFI_SUCCESS, TestStatus; + CON_SPLIT_OUT *SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + if (SimpleOut == NULL) + return EFI_DEVICE_ERROR; + + // we need to loop through all the registered simple text out devices + // and call each of their TestString function + while ( SimpleOut != NULL) + { + TestStatus = SimpleOut->SimpleOut->TestString(SimpleOut->SimpleOut, String); + SimpleOut = OUTTER(SimpleOut->Link.pNext, Link, CON_SPLIT_OUT); + + if (EFI_ERROR(TestStatus)) + Status = TestStatus; + } + + SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + UpdateMasterMode(SimpleOut->SimpleOut->Mode); + + return Status; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: CSQueryMode +// +// Description: +// This function returns information about text mode referred by ModeNum +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// IN UINTN ModeNum - mode number to obtain information about +// OUT UINTN *Col - max number of columns supported in this mode +// OUT UINTN *Row - max number of rows supported in this mode +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - function executed successfully +// EFI_UNSUPPORTED - given mode unsupported +// EFI_DEVICE_ERROR - error occured during execution +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS CSQueryMode( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, + IN UINTN ModeNum, + OUT UINTN *Col, + OUT UINTN *Row +) +{ + CON_SPLIT_OUT *SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + if((ModeNum >= (UINTN)MasterMode.MaxMode) || (!SupportedModes[ModeNum].AllDevices)) + return EFI_UNSUPPORTED; + + if (SimpleOut == NULL) + { + // since we use a default text mode, return that value + *Col = 80; + *Row = 25; + + return EFI_DEVICE_ERROR; + } + + *Col = SupportedModes[ModeNum].Columns; + *Row = SupportedModes[ModeNum].Rows; + return EFI_SUCCESS; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: CSSetMode +// +// Description: +// This function sets text mode referred by ModeNumber +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// IN UINTN ModeNum - mode number to set +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - function executed successfully +// EFI_UNSUPPORTED - given mode unsupported +// EFI_DEVICE_ERROR - error occured during execution +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS CSSetMode( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, + IN UINTN ModeNum +) +{ + EFI_STATUS Status = EFI_SUCCESS, TestStatus; + INT32 DeviceMode; + + CON_SPLIT_OUT *SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + if((ModeNum >= (UINTN)MasterMode.MaxMode) || (!SupportedModes[ModeNum].AllDevices)) + return EFI_UNSUPPORTED; + + if (SimpleOut == NULL) + return EFI_DEVICE_ERROR; + + TestStatus = ResizeSplitterBuffer((INT32)ModeNum); + if (EFI_ERROR(TestStatus)) + return TestStatus; + + MasterMode.Mode = (INT32)ModeNum; + // we need to loop through all the registered simple text out devices + // and call each of their SetMode function + while ( SimpleOut != NULL) + { + TestStatus = IsModeSupported(SimpleOut->SimpleOut, ModeNum, &DeviceMode); + + TestStatus = SimpleOut->SimpleOut->SetMode(SimpleOut->SimpleOut, DeviceMode); + SimpleOut = OUTTER(SimpleOut->Link.pNext, Link, CON_SPLIT_OUT); + + if (EFI_ERROR(TestStatus)) + Status = TestStatus; + } + + SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + UpdateMasterMode(SimpleOut->SimpleOut->Mode); + + return EFI_ERROR(Status); +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: CSSetAttribute +// +// Description: +// This function sets the foreground color and background color for the screen +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// IN UINTN Attribute - attribute to set +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - attribute was changed successfully +// EFI_DEVICE_ERROR - device had an error +// EFI_UNSUPPORTED - attribute is not supported +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS CSSetAttribute( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, + IN UINTN Attribute +) +{ + EFI_STATUS Status = EFI_SUCCESS, TestStatus; + CON_SPLIT_OUT *SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + if (SimpleOut == NULL) + return EFI_DEVICE_ERROR; + + // we need to loop through all the registered simple text out devices + // and call each of their SetAttribute function + while ( SimpleOut != NULL) + { + TestStatus = SimpleOut->SimpleOut->SetAttribute(SimpleOut->SimpleOut, Attribute); + SimpleOut = OUTTER(SimpleOut->Link.pNext, Link, CON_SPLIT_OUT); + + if (EFI_ERROR(TestStatus)) + Status = TestStatus; + } + + SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + UpdateMasterMode(SimpleOut->SimpleOut->Mode); + + return Status; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: CSClearScreen +// +// Description: +// This function clears screen of output device +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - function executed successfully +// EFI_DEVICE_ERROR - error occured during execution +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS CSClearScreen( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This +) +{ + EFI_STATUS Status = EFI_SUCCESS, TestStatus; + CON_SPLIT_OUT *SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + if (SimpleOut == NULL) + return EFI_DEVICE_ERROR; + + // we need to loop through all the registered simple text out devices + // and call each of their ClearScreen function + while ( SimpleOut != NULL) + { + TestStatus = SimpleOut->SimpleOut->ClearScreen(SimpleOut->SimpleOut); + SimpleOut = OUTTER(SimpleOut->Link.pNext, Link, CON_SPLIT_OUT); + + if (EFI_ERROR(TestStatus)) + Status = TestStatus; + } + + SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + UpdateMasterMode(SimpleOut->SimpleOut->Mode); + + MemClearScreen(); + return Status; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: CSSetCursorPosition +// +// Description: +// This function sets cursor position of output device +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// IN UINTN Column - column position +// IN UINTN Row - row position +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - function executed successfully +// EFI_DEVICE_ERROR - error occured during execution +// EFI_UNSUPPORTED - given position cannot be set +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS CSSetCursorPosition( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, + IN UINTN Column, + IN UINTN Row +) +{ + EFI_STATUS Status = EFI_SUCCESS, TestStatus; + CON_SPLIT_OUT *SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + if (SimpleOut == NULL) + return EFI_DEVICE_ERROR; + + // we need to loop through all the registered simple text out devices + // and call each of their SetCursorPosition function + while ( SimpleOut != NULL) + { + TestStatus = SimpleOut->SimpleOut->SetCursorPosition(SimpleOut->SimpleOut, Column, Row); + SimpleOut = OUTTER(SimpleOut->Link.pNext, Link, CON_SPLIT_OUT); + + if (EFI_ERROR(TestStatus)) + Status = TestStatus; + } + + SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + UpdateMasterMode(SimpleOut->SimpleOut->Mode); + + return Status; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: CSEnableCursor +// +// Description: +// This function enables / disables cursor on the screen +// +// Input: +// IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This - pointer to protocol instance +// IN BOOLEAN Visible - if TRUE cursor will be visible, FALSE - not visible +// +// Output: +// EFI_STATUS +// EFI_SUCCESS - function executed successfully +// EFI_DEVICE_ERROR - error occured during execution +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +EFI_STATUS CSEnableCursor( + IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, + IN BOOLEAN Visible ) +{ + EFI_STATUS Status = EFI_SUCCESS, TestStatus; + CON_SPLIT_OUT *SimpleOut = OUTTER(ConOutList.pHead, Link, CON_SPLIT_OUT); + + if (SimpleOut == NULL) + return EFI_DEVICE_ERROR; + + // we need to loop through all the registered simple text out devices + // and call each of their SetCursorPosition function + while ( SimpleOut != NULL) + { + TestStatus = SimpleOut->SimpleOut->EnableCursor(SimpleOut->SimpleOut, Visible); + SimpleOut = OUTTER(SimpleOut->Link.pNext, Link, CON_SPLIT_OUT); + + if (EFI_ERROR(TestStatus)) + Status = TestStatus; + } + + MasterMode.CursorVisible = Visible; + return Status; +} + +// <AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Name: UpdateMasterMode +// +// Description: +// This function updates splitter mode to values referred by Mode +// +// Input: +// IN SIMPLE_TEXT_OUTPUT_MODE *Mode - pointer to values to be set +// +// Output: +// VOID +// +// Modified: +// +// Referrals: +// +// Notes: +// +//-------------------------------------------------------------------------- +// <AMI_PHDR_END> + +VOID UpdateMasterMode( + SIMPLE_TEXT_OUTPUT_MODE *Mode) +{ + MasterMode.Attribute = Mode->Attribute; + MasterMode.CursorColumn = Mode->CursorColumn; + MasterMode.CursorRow = Mode->CursorRow; + while(MasterMode.CursorColumn>=SupportedModes[MasterMode.Mode].Columns){ + MasterMode.CursorColumn-=SupportedModes[MasterMode.Mode].Columns; + MasterMode.CursorRow++; + }; + if (MasterMode.CursorRow>=SupportedModes[MasterMode.Mode].Rows) + MasterMode.CursorRow=SupportedModes[MasterMode.Mode].Rows-1; +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2009, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** |