diff options
Diffstat (limited to 'OvmfPkg/Bhyve/BhyveRfbDxe/GopScreen.c')
| -rw-r--r-- | OvmfPkg/Bhyve/BhyveRfbDxe/GopScreen.c | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/OvmfPkg/Bhyve/BhyveRfbDxe/GopScreen.c b/OvmfPkg/Bhyve/BhyveRfbDxe/GopScreen.c new file mode 100644 index 0000000000..0760ffb722 --- /dev/null +++ b/OvmfPkg/Bhyve/BhyveRfbDxe/GopScreen.c @@ -0,0 +1,393 @@ +/*++ @file
+
+Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com>
+Copyright (c) 2015, Nahanni Systems, Inc.
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+Portions copyright (c) 2010 - 2011, Apple Inc. All rights reserved.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+Module Name:
+
+ EmuGopScreen.c
+
+Abstract:
+
+ This file produces the graphics abstration of UGA. It is called by
+ EmuGopDriver.c file which deals with the EFI 1.1 driver model.
+ This file just does graphics.
+
+**/
+
+#include "Gop.h"
+#include <Library/FrameBufferBltLib.h>
+
+
+EFI_EVENT mGopScreenExitBootServicesEvent;
+
+GOP_MODE_DATA mGopModeData[] = {
+ { 0, 0, 32, 0 }, // Filled in with user-spec'd resolution
+ { 1024, 768, 32, 0 },
+ { 800, 600, 32, 0 },
+ { 640, 480, 32, 0 }
+ };
+
+STATIC
+VOID
+BhyveGopCompleteModeInfo (
+ IN GOP_MODE_DATA *ModeData,
+ OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info
+ )
+{
+ Info->Version = 0;
+ if (ModeData->ColorDepth == 8) {
+ Info->PixelFormat = PixelBitMask;
+ Info->PixelInformation.RedMask = PIXEL_RED_MASK;
+ Info->PixelInformation.GreenMask = PIXEL_GREEN_MASK;
+ Info->PixelInformation.BlueMask = PIXEL_BLUE_MASK;
+ Info->PixelInformation.ReservedMask = 0;
+ } else if (ModeData->ColorDepth == 24) {
+ Info->PixelFormat = PixelBitMask;
+ Info->PixelInformation.RedMask = PIXEL24_RED_MASK;
+ Info->PixelInformation.GreenMask = PIXEL24_GREEN_MASK;
+ Info->PixelInformation.BlueMask = PIXEL24_BLUE_MASK;
+ Info->PixelInformation.ReservedMask = 0;
+ } else if (ModeData->ColorDepth == 32) {
+ DEBUG ((DEBUG_INFO, "%dx%d PixelBlueGreenRedReserved8BitPerColor\n",
+ ModeData->HorizontalResolution, ModeData->VerticalResolution));
+ Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
+ }
+ Info->PixelsPerScanLine = Info->HorizontalResolution;
+}
+
+
+/**
+ Returns information for an available graphics mode that the graphics device
+ and the set of active video output devices supports.
+
+ @param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
+ @param ModeNumber The mode number to return information on.
+ @param SizeOfInfo A pointer to the size, in bytes, of the Info buffer.
+ @param Info A pointer to callee allocated buffer that returns information about ModeNumber.
+
+ @retval EFI_SUCCESS Mode information returned.
+ @retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.
+ @retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the video mode.
+ @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()
+ @retval EFI_INVALID_PARAMETER One of the input args was NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+EmuGopQuerytMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN UINT32 ModeNumber,
+ OUT UINTN *SizeOfInfo,
+ OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
+ )
+{
+ GOP_PRIVATE_DATA *Private;
+ GOP_MODE_DATA *ModeData;
+
+ Private = GOP_PRIVATE_DATA_FROM_THIS (This);
+
+ if (Info == NULL || SizeOfInfo == NULL || (UINTN) ModeNumber >= This->Mode->MaxMode) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));
+ if (*Info == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
+
+ ModeData = &Private->ModeData[ModeNumber];
+ (*Info)->Version = 0;
+ (*Info)->HorizontalResolution = ModeData->HorizontalResolution;
+ (*Info)->VerticalResolution = ModeData->VerticalResolution;
+ (*Info)->PixelFormat = PixelBitMask;
+ (*Info)->PixelsPerScanLine = (*Info)->HorizontalResolution;
+ BhyveGopCompleteModeInfo(ModeData, *Info);
+ return EFI_SUCCESS;
+}
+
+
+
+/**
+ Set the video device into the specified mode and clears the visible portions of
+ the output display to black.
+
+ @param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
+ @param ModeNumber Abstraction that defines the current video mode.
+
+ @retval EFI_SUCCESS The graphics mode specified by ModeNumber was selected.
+ @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.
+ @retval EFI_UNSUPPORTED ModeNumber is not supported by this device.
+
+**/
+
+FRAME_BUFFER_CONFIGURE *fbconf;
+
+EFI_STATUS
+EFIAPI
+EmuGopSetMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN UINT32 ModeNumber
+ )
+{
+ GOP_PRIVATE_DATA *Private;
+ GOP_MODE_DATA *ModeData;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL Fill;
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
+
+ UINTN confsize = 0;
+ fbconf = NULL;
+
+ Private = GOP_PRIVATE_DATA_FROM_THIS (This);
+
+ if (ModeNumber >= This->Mode->MaxMode) {
+ // Tell bhyve that we are switching out of vesa
+ BhyveSetGraphicsMode(Private, 0, 0, 0);
+ return EFI_UNSUPPORTED;
+ }
+
+ DEBUG ((DEBUG_INFO, "BHYVE GopSetMode %d\n", ModeNumber));
+
+ ModeData = &Private->ModeData[ModeNumber];
+ This->Mode->Mode = ModeNumber;
+ Private->GraphicsOutput.Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
+ Private->GraphicsOutput.Mode->Info->VerticalResolution = ModeData->VerticalResolution;
+ Private->GraphicsOutput.Mode->Info->PixelsPerScanLine = ModeData->HorizontalResolution;
+
+ Info = This->Mode->Info;
+ BhyveGopCompleteModeInfo(ModeData, Info);
+
+ This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
+ This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;
+ This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
+ This->Mode->FrameBufferBase = Private->GraphicsOutput.Mode->FrameBufferBase;
+
+ /*
+ This->Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution
+ * ((ModeData->ColorDepth + 7) / 8);
+ */
+ This->Mode->FrameBufferSize = Private->FbSize;
+ DEBUG ((DEBUG_INFO, "BHYVE GOP FrameBufferBase: 0x%x, FrameBufferSize: 0x%x\n", This->Mode->FrameBufferBase, This->Mode->FrameBufferSize));
+
+ BhyveSetGraphicsMode(Private, (UINT16)ModeData->HorizontalResolution, (UINT16)ModeData->VerticalResolution, (UINT16)ModeData->ColorDepth);
+
+ RETURN_STATUS ret = FrameBufferBltConfigure (
+ (VOID*)(UINTN) This->Mode->FrameBufferBase,
+ This->Mode->Info, fbconf, &confsize
+ );
+ if (ret == EFI_BUFFER_TOO_SMALL || ret == EFI_INVALID_PARAMETER) {
+ fbconf = AllocatePool(confsize);
+ ret = FrameBufferBltConfigure(
+ (VOID*)(UINTN)This->Mode->FrameBufferBase,
+ This->Mode->Info, fbconf, &confsize);
+ ASSERT(ret == EFI_SUCCESS);
+ }
+
+ Fill.Red = 0;
+ Fill.Green = 0;
+ Fill.Blue = 0;
+ This->Blt (
+ This,
+ &Fill,
+ EfiBltVideoFill,
+ 0,
+ 0,
+ 0,
+ 0,
+ ModeData->HorizontalResolution,
+ ModeData->VerticalResolution,
+ ModeData->HorizontalResolution * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
+ );
+ return EFI_SUCCESS;
+}
+
+
+
+/**
+ Blt a rectangle of pixels on the graphics screen. Blt stands for BLock Transfer.
+
+ @param This Protocol instance pointer.
+ @param BltBuffer Buffer containing data to blit into video buffer. This
+ buffer has a size of Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
+ @param BltOperation Operation to perform on BlitBuffer and video memory
+ @param SourceX X coordinate of source for the BltBuffer.
+ @param SourceY Y coordinate of source for the BltBuffer.
+ @param DestinationX X coordinate of destination for the BltBuffer.
+ @param DestinationY Y coordinate of destination for the BltBuffer.
+ @param Width Width of rectangle in BltBuffer in pixels.
+ @param Height Hight of rectangle in BltBuffer in pixels.
+ @param Delta OPTIONAL
+
+ @retval EFI_SUCCESS The Blt operation completed.
+ @retval EFI_INVALID_PARAMETER BltOperation is not valid.
+ @retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.
+
+**/
+EFI_STATUS
+EFIAPI
+EmuGopBlt (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
+ IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta OPTIONAL
+ )
+{
+ EFI_TPL OriginalTPL;
+ EFI_STATUS Status;
+
+ if ((UINT32)BltOperation >= EfiGraphicsOutputBltOperationMax) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Width == 0 || Height == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // We have to raise to TPL Notify, so we make an atomic write the frame buffer.
+ // We would not want a timer based event (Cursor, ...) to come in while we are
+ // doing this operation.
+ //
+ OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);
+
+ switch (BltOperation) {
+ case EfiBltVideoToBltBuffer:
+ case EfiBltBufferToVideo:
+ case EfiBltVideoFill:
+ case EfiBltVideoToVideo:
+ Status = FrameBufferBlt (
+ fbconf,
+ BltBuffer,
+ BltOperation,
+ SourceX,
+ SourceY,
+ DestinationX,
+ DestinationY,
+ Width,
+ Height,
+ Delta
+ );
+ break;
+
+ default:
+ Status = EFI_INVALID_PARAMETER;
+ ASSERT (FALSE);
+ }
+
+ gBS->RestoreTPL (OriginalTPL);
+
+ return Status;
+}
+
+
+//
+// Construction and Destruction functions
+//
+
+EFI_STATUS
+EmuGopConstructor (
+ GOP_PRIVATE_DATA *Private
+ )
+{
+ // Set mode 0 to be the requested resolution
+ mGopModeData[0].HorizontalResolution = PcdGet32 ( PcdVideoHorizontalResolution);
+ mGopModeData[0].VerticalResolution = PcdGet32 ( PcdVideoVerticalResolution );
+
+ Private->ModeData = mGopModeData;
+
+ Private->GraphicsOutput.QueryMode = EmuGopQuerytMode;
+ Private->GraphicsOutput.SetMode = EmuGopSetMode;
+ Private->GraphicsOutput.Blt = EmuGopBlt;
+
+ //
+ // Allocate buffer for Graphics Output Protocol mode information
+ //
+ Private->GraphicsOutput.Mode = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE));
+ if (Private->GraphicsOutput.Mode == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ Private->GraphicsOutput.Mode->Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));
+ if (Private->GraphicsOutput.Mode->Info == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+
+ DEBUG ((DEBUG_INFO, "BHYVE Gop Constructor\n"));
+
+ Private->GraphicsOutput.Mode->MaxMode = sizeof(mGopModeData) / sizeof(GOP_MODE_DATA);
+ //
+ // Till now, we have no idea about the window size.
+ //
+ Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALID_MODE_NUMBER;
+ Private->GraphicsOutput.Mode->Info->Version = 0;
+ Private->GraphicsOutput.Mode->Info->HorizontalResolution = 0;
+ Private->GraphicsOutput.Mode->Info->VerticalResolution = 0;
+ Private->GraphicsOutput.Mode->Info->PixelFormat = PixelBitMask;
+ Private->GraphicsOutput.Mode->SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
+ Private->GraphicsOutput.Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS) Private->FbAddr;
+ Private->GraphicsOutput.Mode->FrameBufferSize = Private->FbSize;
+
+ return EFI_SUCCESS;
+}
+
+
+
+EFI_STATUS
+EmuGopDestructor (
+ GOP_PRIVATE_DATA *Private
+ )
+{
+ //
+ // Free graphics output protocol occupied resource
+ //
+ if (Private->GraphicsOutput.Mode != NULL) {
+ if (Private->GraphicsOutput.Mode->Info != NULL) {
+ FreePool (Private->GraphicsOutput.Mode->Info);
+ }
+ FreePool (Private->GraphicsOutput.Mode);
+ Private->GraphicsOutput.Mode = NULL;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+VOID
+EFIAPI
+ShutdownGopEvent (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+/*++
+
+Routine Description:
+
+ This is the UGA screen's callback notification function for exit-boot-services.
+ All we do here is call EmuGopDestructor().
+
+Arguments:
+
+ Event - not used
+ Context - pointer to the Private structure.
+
+Returns:
+
+ None.
+
+**/
+{
+ EmuGopDestructor (Context);
+}
+
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