diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/DisplayUpdateProgressLibText/DisplayUpdateProgressLibText.c')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/DisplayUpdateProgressLibText/DisplayUpdateProgressLibText.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/DisplayUpdateProgressLibText/DisplayUpdateProgressLibText.c b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/DisplayUpdateProgressLibText/DisplayUpdateProgressLibText.c new file mode 100644 index 00000000..c38e2ae5 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/DisplayUpdateProgressLibText/DisplayUpdateProgressLibText.c @@ -0,0 +1,157 @@ +/** @file + Provides services to display completion progress of a firmware update on a + text console. + + Copyright (c) 2016, Microsoft Corporation. All rights reserved.<BR> + Copyright (c) 2018, Intel Corporation. All rights reserved.<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include <PiDxe.h> +#include <Library/DebugLib.h> +#include <Library/UefiBootServicesTableLib.h> +#include <Library/UefiLib.h> + +// +// Control Style. Set to 100 so it is reset on first call. +// +UINTN mPreviousProgress = 100; + +// +// Text foreground color of progress bar +// +UINTN mProgressBarForegroundColor; + +/** + Function indicates the current completion progress of a firmware update. + Platform may override with its own specific function. + + @param[in] Completion A value between 0 and 100 indicating the current + completion progress of a firmware update. This + value must the the same or higher than previous + calls to this service. The first call of 0 or a + value of 0 after reaching a value of 100 resets + the progress indicator to 0. + @param[in] Color Color of the progress indicator. Only used when + Completion is 0 to set the color of the progress + indicator. If Color is NULL, then the default color + is used. + + @retval EFI_SUCCESS Progress displayed successfully. + @retval EFI_INVALID_PARAMETER Completion is not in range 0..100. + @retval EFI_INVALID_PARAMETER Completion is less than Completion value from + a previous call to this service. + @retval EFI_NOT_READY The device used to indicate progress is not + available. +**/ +EFI_STATUS +EFIAPI +DisplayUpdateProgress ( + IN UINTN Completion, + IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION *Color OPTIONAL + ) +{ + UINTN Index; + UINTN CurrentAttribute; + + // + // Check range + // + if (Completion > 100) { + return EFI_INVALID_PARAMETER; + } + + // + // Check to see if this Completion percentage has already been displayed + // + if (Completion == mPreviousProgress) { + return EFI_SUCCESS; + } + + // + // Do special init on first call of each progress session + // + if (mPreviousProgress == 100) { + Print (L"\n"); + + // + // Convert pixel color to text foreground color + // + if (Color == NULL) { + mProgressBarForegroundColor = EFI_WHITE; + } else { + mProgressBarForegroundColor = EFI_BLACK; + if (Color->Pixel.Blue >= 0x40) { + mProgressBarForegroundColor |= EFI_BLUE; + } + if (Color->Pixel.Green >= 0x40) { + mProgressBarForegroundColor |= EFI_GREEN; + } + if (Color->Pixel.Red >= 0x40) { + mProgressBarForegroundColor |= EFI_RED; + } + if (Color->Pixel.Blue >= 0xC0 || Color->Pixel.Green >= 0xC0 || Color->Pixel.Red >= 0xC0) { + mProgressBarForegroundColor |= EFI_BRIGHT; + } + if (mProgressBarForegroundColor == EFI_BLACK) { + mProgressBarForegroundColor = EFI_WHITE; + } + } + + // + // Clear previous + // + mPreviousProgress = 0; + } + + // + // Can not update progress bar if Completion is less than previous + // + if (Completion < mPreviousProgress) { + DEBUG ((DEBUG_WARN, "WARNING: Completion (%d) should not be lesss than Previous (%d)!!!\n", Completion, mPreviousProgress)); + return EFI_INVALID_PARAMETER; + } + + // + // Save current text color + // + CurrentAttribute = (UINTN)gST->ConOut->Mode->Attribute; + + // + // Print progress percentage + // + Print (L"\rUpdate Progress - %3d%% ", Completion); + + // + // Set progress bar color + // + gST->ConOut->SetAttribute ( + gST->ConOut, + EFI_TEXT_ATTR (mProgressBarForegroundColor, EFI_BLACK) + ); + + // + // Print completed portion of progress bar + // + for (Index = 0; Index < Completion / 2; Index++) { + Print (L"%c", BLOCKELEMENT_FULL_BLOCK); + } + + // + // Restore text color + // + gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute); + + // + // Print remaining portion of progress bar + // + for (; Index < 50; Index++) { + Print (L"%c", BLOCKELEMENT_LIGHT_SHADE); + } + + mPreviousProgress = Completion; + + return EFI_SUCCESS; +} |