--- /dev/null
+/*++\r
+\r
+Copyright (c) 2006, Intel Corporation. All rights reserved. <BR> \r
+This software and associated documentation (if any) is furnished\r
+under a license and may only be used or copied in accordance\r
+with the terms of the license. Except as permitted by such\r
+license, no part of this software or documentation may be\r
+reproduced, stored in a retrieval system, or transmitted in any\r
+form or by any means without the express written consent of\r
+Intel Corporation.\r
+\r
+\r
+Module Name:\r
+\r
+ VgaClass.c\r
+ \r
+Abstract: \r
+ This driver produces a VGA console.\r
+ \r
+--*/\r
+\r
+#include "VgaClass.h"\r
+\r
+//\r
+// EFI Driver Binding Protocol for the VGA Class Driver\r
+//\r
+EFI_DRIVER_BINDING_PROTOCOL gVgaClassDriverBinding = {\r
+ VgaClassDriverBindingSupported,\r
+ VgaClassDriverBindingStart,\r
+ VgaClassDriverBindingStop,\r
+ 0xa,\r
+ NULL,\r
+ NULL\r
+};\r
+\r
+/**\r
+ The user Entry Point for module VgaClass. The user code starts with this function.\r
+\r
+ @param[in] ImageHandle The firmware allocated handle for the EFI image. \r
+ @param[in] SystemTable A pointer to the EFI System Table.\r
+ \r
+ @retval EFI_SUCCESS The entry point is executed successfully.\r
+ @retval other Some error occurs when executing this entry point.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+InitializeVgaClass(\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ //\r
+ // Install driver model protocol(s).\r
+ //\r
+ Status = EfiLibInstallAllDriverProtocols (\r
+ ImageHandle,\r
+ SystemTable,\r
+ &gVgaClassDriverBinding,\r
+ ImageHandle,\r
+ &gVgaClassComponentName,\r
+ NULL,\r
+ NULL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+\r
+ return Status;\r
+}\r
+\r
+//\r
+// Local variables\r
+//\r
+static CHAR16 CrLfString[3] = { CHAR_CARRIAGE_RETURN, CHAR_LINEFEED, CHAR_NULL };\r
+\r
+typedef struct {\r
+ CHAR16 Unicode;\r
+ CHAR8 PcAnsi;\r
+ CHAR8 Ascii;\r
+} UNICODE_TO_CHAR;\r
+\r
+//\r
+// This list is used to define the valid extend chars.\r
+// It also provides a mapping from Unicode to PCANSI or\r
+// ASCII. The ASCII mapping we just made up.\r
+//\r
+//\r
+STATIC UNICODE_TO_CHAR UnicodeToPcAnsiOrAscii[] = {\r
+ {\r
+ BOXDRAW_HORIZONTAL,\r
+ 0xc4,\r
+ L'-'\r
+ },\r
+ {\r
+ BOXDRAW_VERTICAL,\r
+ 0xb3,\r
+ L'|'\r
+ },\r
+ {\r
+ BOXDRAW_DOWN_RIGHT,\r
+ 0xda,\r
+ L'/'\r
+ },\r
+ {\r
+ BOXDRAW_DOWN_LEFT,\r
+ 0xbf,\r
+ L'\\'\r
+ },\r
+ {\r
+ BOXDRAW_UP_RIGHT,\r
+ 0xc0,\r
+ L'\\'\r
+ },\r
+ {\r
+ BOXDRAW_UP_LEFT,\r
+ 0xd9,\r
+ L'/'\r
+ },\r
+ {\r
+ BOXDRAW_VERTICAL_RIGHT,\r
+ 0xc3,\r
+ L'|'\r
+ },\r
+ {\r
+ BOXDRAW_VERTICAL_LEFT,\r
+ 0xb4,\r
+ L'|'\r
+ },\r
+ {\r
+ BOXDRAW_DOWN_HORIZONTAL,\r
+ 0xc2,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_UP_HORIZONTAL,\r
+ 0xc1,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_VERTICAL_HORIZONTAL,\r
+ 0xc5,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_HORIZONTAL,\r
+ 0xcd,\r
+ L'-'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_VERTICAL,\r
+ 0xba,\r
+ L'|'\r
+ },\r
+ {\r
+ BOXDRAW_DOWN_RIGHT_DOUBLE,\r
+ 0xd5,\r
+ L'/'\r
+ },\r
+ {\r
+ BOXDRAW_DOWN_DOUBLE_RIGHT,\r
+ 0xd6,\r
+ L'/'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_DOWN_RIGHT,\r
+ 0xc9,\r
+ L'/'\r
+ },\r
+ {\r
+ BOXDRAW_DOWN_LEFT_DOUBLE,\r
+ 0xb8,\r
+ L'\\'\r
+ },\r
+ {\r
+ BOXDRAW_DOWN_DOUBLE_LEFT,\r
+ 0xb7,\r
+ L'\\'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_DOWN_LEFT,\r
+ 0xbb,\r
+ L'\\'\r
+ },\r
+ {\r
+ BOXDRAW_UP_RIGHT_DOUBLE,\r
+ 0xd4,\r
+ L'\\'\r
+ },\r
+ {\r
+ BOXDRAW_UP_DOUBLE_RIGHT,\r
+ 0xd3,\r
+ L'\\'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_UP_RIGHT,\r
+ 0xc8,\r
+ L'\\'\r
+ },\r
+ {\r
+ BOXDRAW_UP_LEFT_DOUBLE,\r
+ 0xbe,\r
+ L'/'\r
+ },\r
+ {\r
+ BOXDRAW_UP_DOUBLE_LEFT,\r
+ 0xbd,\r
+ L'/'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_UP_LEFT,\r
+ 0xbc,\r
+ L'/'\r
+ },\r
+ {\r
+ BOXDRAW_VERTICAL_RIGHT_DOUBLE,\r
+ 0xc6,\r
+ L'|'\r
+ },\r
+ {\r
+ BOXDRAW_VERTICAL_DOUBLE_RIGHT,\r
+ 0xc7,\r
+ L'|'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_VERTICAL_RIGHT,\r
+ 0xcc,\r
+ L'|'\r
+ },\r
+ {\r
+ BOXDRAW_VERTICAL_LEFT_DOUBLE,\r
+ 0xb5,\r
+ L'|'\r
+ },\r
+ {\r
+ BOXDRAW_VERTICAL_DOUBLE_LEFT,\r
+ 0xb6,\r
+ L'|'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_VERTICAL_LEFT,\r
+ 0xb9,\r
+ L'|'\r
+ },\r
+ {\r
+ BOXDRAW_DOWN_HORIZONTAL_DOUBLE,\r
+ 0xd1,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_DOWN_DOUBLE_HORIZONTAL,\r
+ 0xd2,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_DOWN_HORIZONTAL,\r
+ 0xcb,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_UP_HORIZONTAL_DOUBLE,\r
+ 0xcf,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_UP_DOUBLE_HORIZONTAL,\r
+ 0xd0,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_UP_HORIZONTAL,\r
+ 0xca,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE,\r
+ 0xd8,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL,\r
+ 0xd7,\r
+ L'+'\r
+ },\r
+ {\r
+ BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL,\r
+ 0xce,\r
+ L'+'\r
+ },\r
+\r
+ {\r
+ BLOCKELEMENT_FULL_BLOCK,\r
+ 0xdb,\r
+ L'*'\r
+ },\r
+ {\r
+ BLOCKELEMENT_LIGHT_SHADE,\r
+ 0xb0,\r
+ L'+'\r
+ },\r
+\r
+ {\r
+ GEOMETRICSHAPE_UP_TRIANGLE,\r
+ 0x1e,\r
+ L'^'\r
+ },\r
+ {\r
+ GEOMETRICSHAPE_RIGHT_TRIANGLE,\r
+ 0x10,\r
+ L'>'\r
+ },\r
+ {\r
+ GEOMETRICSHAPE_DOWN_TRIANGLE,\r
+ 0x1f,\r
+ L'v'\r
+ },\r
+ {\r
+ GEOMETRICSHAPE_LEFT_TRIANGLE,\r
+ 0x11,\r
+ L'<'\r
+ },\r
+\r
+ {\r
+ ARROW_LEFT,\r
+ 0x3c,\r
+ L'<'\r
+ },\r
+\r
+ {\r
+ ARROW_UP,\r
+ 0x18,\r
+ L'^'\r
+ },\r
+\r
+ {\r
+ ARROW_RIGHT,\r
+ 0x3e,\r
+ L'>'\r
+ },\r
+\r
+ {\r
+ ARROW_DOWN,\r
+ 0x19,\r
+ L'v'\r
+ },\r
+\r
+ {\r
+ 0x0000,\r
+ 0x00,\r
+ 0x00\r
+ }\r
+};\r
+\r
+//\r
+// Private worker functions\r
+//\r
+STATIC\r
+VOID\r
+SetVideoCursorPosition (\r
+ IN VGA_CLASS_DEV *VgaClassDev,\r
+ IN UINTN Column,\r
+ IN UINTN Row,\r
+ IN UINTN MaxColumn\r
+ );\r
+\r
+STATIC\r
+VOID\r
+WriteCrtc (\r
+ IN VGA_CLASS_DEV *VgaClassDev,\r
+ IN UINT16 Address,\r
+ IN UINT8 Data\r
+ );\r
+\r
+STATIC\r
+BOOLEAN\r
+LibIsValidTextGraphics (\r
+ IN CHAR16 Graphic,\r
+ OUT CHAR8 *PcAnsi, OPTIONAL\r
+ OUT CHAR8 *Ascii OPTIONAL\r
+ );\r
+\r
+STATIC\r
+BOOLEAN\r
+IsValidAscii (\r
+ IN CHAR16 Ascii\r
+ );\r
+\r
+STATIC\r
+BOOLEAN\r
+IsValidEfiCntlChar (\r
+ IN CHAR16 c\r
+ );\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassDriverBindingSupported (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ )\r
+/*++\r
+ \r
+ Routine Description:\r
+ \r
+ Supported.\r
+ \r
+ Arguments:\r
+ \r
+ (Standard DriverBinding Protocol Supported() function)\r
+ \r
+ Returns:\r
+ \r
+ EFI_STATUS\r
+ \r
+--*/\r
+// GC_TODO: This - add argument and description to function comment\r
+// GC_TODO: Controller - add argument and description to function comment\r
+// GC_TODO: RemainingDevicePath - add argument and description to function comment\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_VGA_MINI_PORT_PROTOCOL *VgaMiniPort;\r
+\r
+ //\r
+ // Open the IO Abstraction(s) needed to perform the supported test\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiVgaMiniPortProtocolGuid,\r
+ (VOID **) &VgaMiniPort,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // Open the IO Abstraction(s) needed to perform the supported test\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiPciIoProtocolGuid,\r
+ NULL,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassDriverBindingStart (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ )\r
+/*++\r
+ \r
+ Routine Description:\r
+ \r
+ Layers the Simple Text Output Protocol on top of the \r
+ VGA Mini Port Protocol\r
+ \r
+ Arguments:\r
+ \r
+ (Standard DriverBinding Protocol Start() function)\r
+ \r
+ Returns:\r
+ \r
+ EFI_STATUS\r
+ \r
+--*/\r
+// GC_TODO: This - add argument and description to function comment\r
+// GC_TODO: Controller - add argument and description to function comment\r
+// GC_TODO: RemainingDevicePath - add argument and description to function comment\r
+// GC_TODO: EFI_OUT_OF_RESOURCES - add return value to function comment\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_VGA_MINI_PORT_PROTOCOL *VgaMiniPort;\r
+ EFI_PCI_IO_PROTOCOL *PciIo;\r
+ VGA_CLASS_DEV *VgaClassPrivate;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+\r
+ Status = gBS->HandleProtocol (\r
+ Controller,\r
+ &gEfiDevicePathProtocolGuid,\r
+ (VOID **) &DevicePath\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // Report that VGA Class driver is being enabled\r
+ //\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_PROGRESS_CODE,\r
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_PC_ENABLE,\r
+ DevicePath\r
+ );\r
+\r
+ //\r
+ // Open the IO Abstraction(s) needed\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiPciIoProtocolGuid,\r
+ (VOID **) &PciIo,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiVgaMiniPortProtocolGuid,\r
+ (VOID **) &VgaMiniPort,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_BY_DRIVER\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // Allocate the private device structure\r
+ //\r
+ Status = gBS->AllocatePool (\r
+ EfiBootServicesData,\r
+ sizeof (VGA_CLASS_DEV),\r
+ (VOID **) &VgaClassPrivate\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ gBS->CloseProtocol (\r
+ Controller,\r
+ &gEfiVgaMiniPortProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ ZeroMem (VgaClassPrivate, sizeof (VGA_CLASS_DEV));\r
+\r
+ //\r
+ // Initialize the private device structure\r
+ //\r
+ VgaClassPrivate->Signature = VGA_CLASS_DEV_SIGNATURE;\r
+ VgaClassPrivate->Handle = Controller;\r
+ VgaClassPrivate->VgaMiniPort = VgaMiniPort;\r
+ VgaClassPrivate->PciIo = PciIo;\r
+\r
+ VgaClassPrivate->SimpleTextOut.Reset = VgaClassReset;\r
+ VgaClassPrivate->SimpleTextOut.OutputString = VgaClassOutputString;\r
+ VgaClassPrivate->SimpleTextOut.TestString = VgaClassTestString;\r
+ VgaClassPrivate->SimpleTextOut.ClearScreen = VgaClassClearScreen;\r
+ VgaClassPrivate->SimpleTextOut.SetAttribute = VgaClassSetAttribute;\r
+ VgaClassPrivate->SimpleTextOut.SetCursorPosition = VgaClassSetCursorPosition;\r
+ VgaClassPrivate->SimpleTextOut.EnableCursor = VgaClassEnableCursor;\r
+ VgaClassPrivate->SimpleTextOut.QueryMode = VgaClassQueryMode;\r
+ VgaClassPrivate->SimpleTextOut.SetMode = VgaClassSetMode;\r
+\r
+ VgaClassPrivate->SimpleTextOut.Mode = &VgaClassPrivate->SimpleTextOutputMode;\r
+ VgaClassPrivate->SimpleTextOutputMode.MaxMode = VgaMiniPort->MaxMode;\r
+ VgaClassPrivate->DevicePath = DevicePath;\r
+\r
+ Status = VgaClassPrivate->SimpleTextOut.SetAttribute (\r
+ &VgaClassPrivate->SimpleTextOut,\r
+ EFI_TEXT_ATTR (EFI_WHITE,\r
+ EFI_BLACK)\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto ErrorExit;\r
+ }\r
+\r
+ Status = VgaClassPrivate->SimpleTextOut.Reset (\r
+ &VgaClassPrivate->SimpleTextOut,\r
+ FALSE\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto ErrorExit;\r
+ }\r
+\r
+ Status = VgaClassPrivate->SimpleTextOut.EnableCursor (\r
+ &VgaClassPrivate->SimpleTextOut,\r
+ TRUE\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto ErrorExit;\r
+ }\r
+\r
+ Status = gBS->InstallMultipleProtocolInterfaces (\r
+ &Controller,\r
+ &gEfiSimpleTextOutProtocolGuid,\r
+ &VgaClassPrivate->SimpleTextOut,\r
+ NULL\r
+ );\r
+\r
+ return Status;\r
+\r
+ErrorExit:\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,\r
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_EC_CONTROLLER_ERROR,\r
+ DevicePath\r
+ );\r
+\r
+ return Status;\r
+\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassDriverBindingStop (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer\r
+ )\r
+/*++\r
+ \r
+ Routine Description:\r
+ \r
+ Stop.\r
+ \r
+ Arguments:\r
+ \r
+ (Standard DriverBinding Protocol Stop() function)\r
+ \r
+ Returns:\r
+ \r
+ EFI_STATUS\r
+ \r
+--*/\r
+// GC_TODO: This - add argument and description to function comment\r
+// GC_TODO: Controller - add argument and description to function comment\r
+// GC_TODO: NumberOfChildren - add argument and description to function comment\r
+// GC_TODO: ChildHandleBuffer - add argument and description to function comment\r
+// GC_TODO: EFI_SUCCESS - add return value to function comment\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOut;\r
+ VGA_CLASS_DEV *VgaClassPrivate;\r
+\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiSimpleTextOutProtocolGuid,\r
+ (VOID **) &SimpleTextOut,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ VgaClassPrivate = VGA_CLASS_DEV_FROM_THIS (SimpleTextOut);\r
+\r
+ //\r
+ // Report that VGA Class driver is being disabled\r
+ //\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_PROGRESS_CODE,\r
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_PC_DISABLE,\r
+ VgaClassPrivate->DevicePath\r
+ );\r
+\r
+ Status = gBS->UninstallProtocolInterface (\r
+ Controller,\r
+ &gEfiSimpleTextOutProtocolGuid,\r
+ &VgaClassPrivate->SimpleTextOut\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // Release PCI I/O and VGA Mini Port Protocols on the controller handle.\r
+ //\r
+ gBS->CloseProtocol (\r
+ Controller,\r
+ &gEfiPciIoProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
+\r
+ gBS->CloseProtocol (\r
+ Controller,\r
+ &gEfiVgaMiniPortProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
+\r
+ gBS->FreePool (VgaClassPrivate);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+//\r
+// Simple Text Output Protocol Functions\r
+//\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassReset (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN BOOLEAN ExtendedVerification\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ ExtendedVerification - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+{\r
+ EFI_STATUS Status;\r
+ VGA_CLASS_DEV *VgaClassPrivate;\r
+\r
+ VgaClassPrivate = VGA_CLASS_DEV_FROM_THIS (This);\r
+\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_PROGRESS_CODE,\r
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_PC_RESET,\r
+ VgaClassPrivate->DevicePath\r
+ );\r
+\r
+ This->SetAttribute (This, EFI_TEXT_ATTR (This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK));\r
+\r
+ Status = This->SetMode (This, 0);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ return This->ClearScreen (This);\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassOutputString (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN CHAR16 *WString\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ WString - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ EFI_SUCCESS - GC_TODO: Add description for return value\r
+\r
+--*/\r
+{\r
+ EFI_STATUS Status;\r
+ VGA_CLASS_DEV *VgaClassDev;\r
+ EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r
+ UINTN MaxColumn;\r
+ UINTN MaxRow;\r
+ UINT32 VideoChar;\r
+ CHAR8 GraphicChar;\r
+\r
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);\r
+\r
+ Mode = This->Mode;\r
+\r
+ Status = This->QueryMode (\r
+ This,\r
+ Mode->Mode,\r
+ &MaxColumn,\r
+ &MaxRow\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ for (; *WString != CHAR_NULL; WString++) {\r
+\r
+ switch (*WString) {\r
+ case CHAR_BACKSPACE:\r
+ if (Mode->CursorColumn > 0) {\r
+ Mode->CursorColumn--;\r
+ }\r
+ break;\r
+\r
+ case CHAR_LINEFEED:\r
+ if (Mode->CursorRow == (INT32) (MaxRow - 1)) {\r
+ //\r
+ // Scroll the screen by copying the contents\r
+ // of the VGA display up one line\r
+ //\r
+ VgaClassDev->PciIo->CopyMem (\r
+ VgaClassDev->PciIo,\r
+ EfiPciIoWidthUint32,\r
+ VgaClassDev->VgaMiniPort->VgaMemoryBar,\r
+ VgaClassDev->VgaMiniPort->VgaMemoryOffset,\r
+ VgaClassDev->VgaMiniPort->VgaMemoryBar,\r
+ VgaClassDev->VgaMiniPort->VgaMemoryOffset + MaxColumn * 2,\r
+ ((MaxRow - 1) * MaxColumn) >> 1\r
+ );\r
+\r
+ //\r
+ // Print Blank Line of spaces with the current color attributes\r
+ //\r
+ VideoChar = (Mode->Attribute << 8) | ' ';\r
+ VideoChar = (VideoChar << 16) | VideoChar;\r
+ VgaClassDev->PciIo->Mem.Write (\r
+ VgaClassDev->PciIo,\r
+ EfiPciIoWidthFillUint32,\r
+ VgaClassDev->VgaMiniPort->VgaMemoryBar,\r
+ VgaClassDev->VgaMiniPort->VgaMemoryOffset + (MaxRow - 1) * MaxColumn * 2,\r
+ MaxColumn >> 1,\r
+ &VideoChar\r
+ );\r
+ }\r
+\r
+ if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r
+ Mode->CursorRow++;\r
+ }\r
+ break;\r
+\r
+ case CHAR_CARRIAGE_RETURN:\r
+ Mode->CursorColumn = 0;\r
+ break;\r
+\r
+ default:\r
+ if (!LibIsValidTextGraphics (*WString, &GraphicChar, NULL)) {\r
+ //\r
+ // Just convert to ASCII\r
+ //\r
+ GraphicChar = (CHAR8) *WString;\r
+ if (!IsValidAscii (GraphicChar)) {\r
+ //\r
+ // Keep the API from supporting PCANSI Graphics chars\r
+ //\r
+ GraphicChar = '?';\r
+ }\r
+ }\r
+\r
+ VideoChar = (Mode->Attribute << 8) | GraphicChar;\r
+ VgaClassDev->PciIo->Mem.Write (\r
+ VgaClassDev->PciIo,\r
+ EfiPciIoWidthUint16,\r
+ VgaClassDev->VgaMiniPort->VgaMemoryBar,\r
+ VgaClassDev->VgaMiniPort->VgaMemoryOffset + ((Mode->CursorRow * MaxColumn + Mode->CursorColumn) * 2),\r
+ 1,\r
+ &VideoChar\r
+ );\r
+\r
+ if (Mode->CursorColumn >= (INT32) (MaxColumn - 1)) {\r
+ This->OutputString (This, CrLfString);\r
+ } else {\r
+ Mode->CursorColumn++;\r
+ }\r
+ break;\r
+ }\r
+ }\r
+\r
+ SetVideoCursorPosition (\r
+ VgaClassDev,\r
+ (UINTN) Mode->CursorColumn,\r
+ (UINTN) Mode->CursorRow,\r
+ MaxColumn\r
+ );\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassTestString (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN CHAR16 *WString\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ WString - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value\r
+ EFI_SUCCESS - GC_TODO: Add description for return value\r
+\r
+--*/\r
+{\r
+ while (*WString != 0x0000) {\r
+ if (!(IsValidAscii (*WString) || IsValidEfiCntlChar (*WString) || LibIsValidTextGraphics (*WString, NULL, NULL))) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ WString++;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassClearScreen (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ EFI_SUCCESS - GC_TODO: Add description for return value\r
+\r
+--*/\r
+{\r
+ EFI_STATUS Status;\r
+ VGA_CLASS_DEV *VgaClassDev;\r
+ UINTN MaxRow;\r
+ UINTN MaxColumn;\r
+ UINT32 VideoChar;\r
+\r
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);\r
+\r
+ Status = This->QueryMode (\r
+ This,\r
+ This->Mode->Mode,\r
+ &MaxColumn,\r
+ &MaxRow\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ VideoChar = (This->Mode->Attribute << 8) | ' ';\r
+ VideoChar = (VideoChar << 16) | VideoChar;\r
+ VgaClassDev->PciIo->Mem.Write (\r
+ VgaClassDev->PciIo,\r
+ EfiPciIoWidthFillUint32,\r
+ VgaClassDev->VgaMiniPort->VgaMemoryBar,\r
+ VgaClassDev->VgaMiniPort->VgaMemoryOffset,\r
+ (MaxRow * MaxColumn) >> 1,\r
+ &VideoChar\r
+ );\r
+\r
+ This->SetCursorPosition (This, 0, 0);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassSetAttribute (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN UINTN Attribute\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ Attribute - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ EFI_SUCCESS - GC_TODO: Add description for return value\r
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value\r
+\r
+--*/\r
+{\r
+ if (Attribute <= EFI_MAX_ATTRIBUTE) {\r
+ This->Mode->Attribute = (INT32) Attribute;\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassSetCursorPosition (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN UINTN Column,\r
+ IN UINTN Row\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ Column - GC_TODO: add argument description\r
+ Row - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value\r
+ EFI_SUCCESS - GC_TODO: Add description for return value\r
+\r
+--*/\r
+{\r
+ EFI_STATUS Status;\r
+ VGA_CLASS_DEV *VgaClassDev;\r
+ UINTN MaxColumn;\r
+ UINTN MaxRow;\r
+\r
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);\r
+\r
+ Status = This->QueryMode (\r
+ This,\r
+ This->Mode->Mode,\r
+ &MaxColumn,\r
+ &MaxRow\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ if (Column >= MaxColumn || Row >= MaxRow) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ SetVideoCursorPosition (VgaClassDev, Column, Row, MaxColumn);\r
+\r
+ This->Mode->CursorColumn = (INT32) Column;\r
+ This->Mode->CursorRow = (INT32) Row;\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassEnableCursor (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN BOOLEAN Visible\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ Visible - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ EFI_SUCCESS - GC_TODO: Add description for return value\r
+\r
+--*/\r
+{\r
+ VGA_CLASS_DEV *VgaClassDev;\r
+\r
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);\r
+ if (Visible) {\r
+ switch (This->Mode->Mode) {\r
+ case 1:\r
+ WriteCrtc (VgaClassDev, CRTC_CURSOR_START, 0x06);\r
+ WriteCrtc (VgaClassDev, CRTC_CURSOR_END, 0x07);\r
+ break;\r
+\r
+ default:\r
+ WriteCrtc (VgaClassDev, CRTC_CURSOR_START, 0x0e);\r
+ WriteCrtc (VgaClassDev, CRTC_CURSOR_END, 0x0f);\r
+ break;\r
+ }\r
+ } else {\r
+ WriteCrtc (VgaClassDev, CRTC_CURSOR_START, 0x20);\r
+ }\r
+\r
+ This->Mode->CursorVisible = Visible;\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassQueryMode (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN UINTN ModeNumber,\r
+ OUT UINTN *Columns,\r
+ OUT UINTN *Rows\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ ModeNumber - GC_TODO: add argument description\r
+ Columns - GC_TODO: add argument description\r
+ Rows - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value\r
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value\r
+ EFI_SUCCESS - GC_TODO: Add description for return value\r
+\r
+--*/\r
+{\r
+ if ((INT32) ModeNumber >= This->Mode->MaxMode) {\r
+ *Columns = 0;\r
+ *Rows = 0;\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ switch (ModeNumber) {\r
+ case 0:\r
+ *Columns = 80;\r
+ *Rows = 25;\r
+ break;\r
+\r
+ case 1:\r
+ *Columns = 80;\r
+ *Rows = 50;\r
+ break;\r
+\r
+ default:\r
+ *Columns = 0;\r
+ *Rows = 0;\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassSetMode (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN UINTN ModeNumber\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ ModeNumber - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value\r
+\r
+--*/\r
+{\r
+ EFI_STATUS Status;\r
+ VGA_CLASS_DEV *VgaClassDev;\r
+\r
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);\r
+\r
+ if ((INT32) ModeNumber >= This->Mode->MaxMode) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ This->ClearScreen (This);\r
+\r
+ This->Mode->Mode = (INT32) ModeNumber;\r
+\r
+ Status = VgaClassDev->VgaMiniPort->SetMode (VgaClassDev->VgaMiniPort, ModeNumber);\r
+\r
+ return Status;\r
+}\r
+//\r
+// Private Worker Functions\r
+//\r
+STATIC\r
+VOID\r
+SetVideoCursorPosition (\r
+ IN VGA_CLASS_DEV *VgaClassDev,\r
+ IN UINTN Column,\r
+ IN UINTN Row,\r
+ IN UINTN MaxColumn\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ VgaClassDev - GC_TODO: add argument description\r
+ Column - GC_TODO: add argument description\r
+ Row - GC_TODO: add argument description\r
+ MaxColumn - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+{\r
+ Column = Column & 0xff;\r
+ Row = Row & 0xff;\r
+ MaxColumn = MaxColumn & 0xff;\r
+ WriteCrtc (\r
+ VgaClassDev,\r
+ CRTC_CURSOR_LOCATION_HIGH,\r
+ (UINT8) ((Row * MaxColumn + Column) >> 8)\r
+ );\r
+ WriteCrtc (\r
+ VgaClassDev,\r
+ CRTC_CURSOR_LOCATION_LOW,\r
+ (UINT8) ((Row * MaxColumn + Column) & 0xff)\r
+ );\r
+}\r
+\r
+STATIC\r
+VOID\r
+WriteCrtc (\r
+ IN VGA_CLASS_DEV *VgaClassDev,\r
+ IN UINT16 Address,\r
+ IN UINT8 Data\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ VgaClassDev - GC_TODO: add argument description\r
+ Address - GC_TODO: add argument description\r
+ Data - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+{\r
+ VgaClassDev->PciIo->Io.Write (\r
+ VgaClassDev->PciIo,\r
+ EfiPciIoWidthUint8,\r
+ VgaClassDev->VgaMiniPort->CrtcAddressRegisterBar,\r
+ VgaClassDev->VgaMiniPort->CrtcAddressRegisterOffset,\r
+ 1,\r
+ &Address\r
+ );\r
+\r
+ VgaClassDev->PciIo->Io.Write (\r
+ VgaClassDev->PciIo,\r
+ EfiPciIoWidthUint8,\r
+ VgaClassDev->VgaMiniPort->CrtcDataRegisterBar,\r
+ VgaClassDev->VgaMiniPort->CrtcDataRegisterOffset,\r
+ 1,\r
+ &Data\r
+ );\r
+}\r
+\r
+STATIC\r
+BOOLEAN\r
+LibIsValidTextGraphics (\r
+ IN CHAR16 Graphic,\r
+ OUT CHAR8 *PcAnsi, OPTIONAL\r
+ OUT CHAR8 *Ascii OPTIONAL\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Detects if a Unicode char is for Box Drawing text graphics.\r
+\r
+Arguments:\r
+\r
+ Grphic - Unicode char to test.\r
+\r
+ PcAnsi - Optional pointer to return PCANSI equivalent of Graphic.\r
+\r
+ Asci - Optional pointer to return Ascii equivalent of Graphic.\r
+\r
+Returns:\r
+\r
+ TRUE if Gpaphic is a supported Unicode Box Drawing character.\r
+\r
+--*/\r
+// GC_TODO: Graphic - add argument and description to function comment\r
+{\r
+ UNICODE_TO_CHAR *Table;\r
+\r
+ if ((((Graphic & 0xff00) != 0x2500) && ((Graphic & 0xff00) != 0x2100))) {\r
+ //\r
+ // Unicode drawing code charts are all in the 0x25xx range,\r
+ // arrows are 0x21xx\r
+ //\r
+ return FALSE;\r
+ }\r
+\r
+ for (Table = UnicodeToPcAnsiOrAscii; Table->Unicode != 0x0000; Table++) {\r
+ if (Graphic == Table->Unicode) {\r
+ if (PcAnsi) {\r
+ *PcAnsi = Table->PcAnsi;\r
+ }\r
+\r
+ if (Ascii) {\r
+ *Ascii = Table->Ascii;\r
+ }\r
+\r
+ return TRUE;\r
+ }\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
+STATIC\r
+BOOLEAN\r
+IsValidAscii (\r
+ IN CHAR16 Ascii\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ Ascii - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+{\r
+ if ((Ascii >= 0x20) && (Ascii <= 0x7f)) {\r
+ return TRUE;\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
+STATIC\r
+BOOLEAN\r
+IsValidEfiCntlChar (\r
+ IN CHAR16 c\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ c - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+{\r
+ if (c == CHAR_NULL || c == CHAR_BACKSPACE || c == CHAR_LINEFEED || c == CHAR_CARRIAGE_RETURN) {\r
+ return TRUE;\r
+ }\r
+\r
+ return FALSE;\r
+}\r
--- /dev/null
+/*++\r
+\r
+Copyright (c) 2006, Intel Corporation. All rights reserved. \r
+This software and associated documentation (if any) is furnished\r
+under a license and may only be used or copied in accordance\r
+with the terms of the license. Except as permitted by such\r
+license, no part of this software or documentation may be\r
+reproduced, stored in a retrieval system, or transmitted in any\r
+form or by any means without the express written consent of\r
+Intel Corporation.\r
+\r
+\r
+Module Name:\r
+\r
+ VgaClass.h\r
+ \r
+Abstract: \r
+ \r
+\r
+Revision History\r
+--*/\r
+\r
+#ifndef _VGA_CLASS_H\r
+#define _VGA_CLASS_H\r
+\r
+#include <PiDxe.h>\r
+#include <FrameworkDxe.h>\r
+//\r
+// The protocols, PPI and GUID defintions for this module\r
+//\r
+#include <Protocol/SimpleTextIn.h>\r
+#include <Protocol/SimpleTextOut.h>\r
+#include <Protocol/PciIo.h>\r
+#include <Protocol/VgaMiniPort.h>\r
+#include <Protocol/DevicePath.h>\r
+//\r
+// The Library classes this module consumes\r
+//\r
+#include <Library/DebugLib.h>\r
+#include <Library/UefiDriverEntryPoint.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/UefiLib.h>\r
+#include <Library/DevicePathLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/ReportStatusCodeLib.h>\r
+\r
+\r
+#include <IndustryStandard/Pci22.h>\r
+#include "ComponentName.h"\r
+#include <Protocol/VgaMiniPort.h>\r
+\r
+//\r
+// VGA specific registers\r
+//\r
+#define CRTC_CURSOR_START 0xA\r
+#define CRTC_CURSOR_END 0xB\r
+\r
+#define CRTC_CURSOR_LOCATION_HIGH 0xE\r
+#define CRTC_CURSOR_LOCATION_LOW 0xF\r
+\r
+#define EFI_MAX_ATTRIBUTE 0x7f\r
+\r
+//\r
+// VGA Class Device Structure\r
+//\r
+#define VGA_CLASS_DEV_SIGNATURE EFI_SIGNATURE_32 ('V', 'G', 'A', 'C')\r
+\r
+typedef struct {\r
+ UINTN Signature;\r
+ EFI_HANDLE Handle;\r
+ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL SimpleTextOut;\r
+ EFI_SIMPLE_TEXT_OUTPUT_MODE SimpleTextOutputMode;\r
+ EFI_VGA_MINI_PORT_PROTOCOL *VgaMiniPort;\r
+ EFI_PCI_IO_PROTOCOL *PciIo;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+} VGA_CLASS_DEV;\r
+\r
+#define VGA_CLASS_DEV_FROM_THIS(a) CR (a, VGA_CLASS_DEV, SimpleTextOut, VGA_CLASS_DEV_SIGNATURE)\r
+\r
+//\r
+// Global Variables\r
+//\r
+extern EFI_DRIVER_BINDING_PROTOCOL gVgaClassDriverBinding;\r
+\r
+//\r
+// Driver Binding Protocol functions\r
+//\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassDriverBindingSupported (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ Controller - GC_TODO: add argument description\r
+ RemainingDevicePath - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassDriverBindingStart (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ Controller - GC_TODO: add argument description\r
+ RemainingDevicePath - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassDriverBindingStop (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ Controller - GC_TODO: add argument description\r
+ NumberOfChildren - GC_TODO: add argument description\r
+ ChildHandleBuffer - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+//\r
+// Simple Text Output Protocol functions\r
+//\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassReset (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN BOOLEAN ExtendedVerification\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ ExtendedVerification - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassOutputString (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN CHAR16 *WString\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ WString - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassTestString (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN CHAR16 *WString\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ WString - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassClearScreen (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassSetAttribute (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN UINTN Attribute\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ Attribute - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassSetCursorPosition (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN UINTN Column,\r
+ IN UINTN Row\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ Column - GC_TODO: add argument description\r
+ Row - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassEnableCursor (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN BOOLEAN Visible\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ Visible - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassQueryMode (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN UINTN ModeNumber,\r
+ OUT UINTN *Columns,\r
+ OUT UINTN *Rows\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ ModeNumber - GC_TODO: add argument description\r
+ Columns - GC_TODO: add argument description\r
+ Rows - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VgaClassSetMode (\r
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
+ IN UINTN ModeNumber\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ GC_TODO: Add function description\r
+\r
+Arguments:\r
+\r
+ This - GC_TODO: add argument description\r
+ ModeNumber - GC_TODO: add argument description\r
+\r
+Returns:\r
+\r
+ GC_TODO: add return values\r
+\r
+--*/\r
+;\r
+\r
+#endif\r
projects / mirror_edk2.git / commitdiff