This patch implements TFTP-like progress bar in
MvSpiFlashUpdateWithProgress. This is necessary because
CapsuleRuntimeDxe uses DxeRuntimeCapsuleLib which uses
CapsuleProcessLibNull implementation of capsule process.

Signed-off-by: Patryk Duda <p...@semihalf.com>
---
 Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.inf |  1 +
 Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.h   |  1 +
 Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.c   | 57 
++++++++++++++++----
 3 files changed, 50 insertions(+), 9 deletions(-)

diff --git a/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.inf 
b/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.inf
index c6e93b82a1..088e9592e2 100644
--- a/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.inf
+++ b/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.inf
@@ -23,6 +23,7 @@
   DebugLib
   MemoryAllocationLib
   NorFlashInfoLib
+  PrintLib
   TimerLib
   UefiBootServicesTableLib
   UefiDriverEntryPoint
diff --git a/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.h 
b/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.h
index 21877ba2a6..d51892c439 100755
--- a/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.h
+++ b/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.h
@@ -9,6 +9,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 
 #include <Library/IoLib.h>
 #include <Library/PcdLib.h>
+#include <Library/PrintLib.h>
 #include <Library/UefiLib.h>
 #include <Library/DebugLib.h>
 #include <Library/MemoryAllocationLib.h>
diff --git a/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.c 
b/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.c
index db12adb764..91e195b97c 100755
--- a/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.c
+++ b/Silicon/Marvell/Drivers/Spi/MvSpiFlashDxe/MvSpiFlashDxe.c
@@ -6,6 +6,25 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 
*******************************************************************************/
 #include "MvSpiFlashDxe.h"
 
+// Frame for the progression slider
+STATIC CONST CHAR16 mProgressFrame[] = L"[                                     
   ]";
+
+// Number of steps in the progression slider
+#define PROGRESS_SLIDER_STEPS  ((sizeof (mProgressFrame) / sizeof (CHAR16)) - 
3)
+
+// Size in number of characters plus one (final zero) of the message to
+// indicate the progress of update. The format is "[(progress slider:
+// 40 characters)] (nb of KBytes written so far: 7 characters) Kb". There
+// are thus the number of characters in mProgressFrame[] plus 11 characters
+// (2 // spaces, "Kb" and seven characters for the number of KBytes).
+#define PROGRESS_MESSAGE_SIZE  ((sizeof (mProgressFrame) / sizeof (CHAR16)) + 
12)
+
+// String to delete progress message to be able to update it :
+// (PROGRESS_MESSAGE_SIZE-1) '\b'
+STATIC CONST CHAR16 mProgressDelete[] = L"\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"
+                                         "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"
+                                         "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b";
+
 STATIC EFI_EVENT            mMvSpiFlashVirtualAddrChangeEvent;
 MARVELL_SPI_MASTER_PROTOCOL *SpiMasterProtocol;
 SPI_FLASH_INSTANCE  *mSpiFlashInstance;
@@ -380,12 +399,15 @@ MvSpiFlashUpdateWithProgress (
   IN UINTN                                          EndPercentage
   )
 {
+  CHAR16 ProgressBar[PROGRESS_MESSAGE_SIZE];
+  UINTN ProgressIndex;
   EFI_STATUS Status;
   UINTN SectorSize;
   UINTN SectorNum;
   UINTN ToUpdate;
-  UINTN Index;
   UINT8 *TmpBuf;
+  UINTN Index;
+  UINTN Step;
 
   SectorSize = Slave->Info->SectorSize;
   SectorNum = (ByteCount / SectorSize) + 1;
@@ -397,12 +419,9 @@ MvSpiFlashUpdateWithProgress (
     return EFI_OUT_OF_RESOURCES;
   }
 
-  for (Index = 0; Index < SectorNum; Index++) {
-    if (Progress != NULL) {
-      Progress (StartPercentage +
-                ((Index * (EndPercentage - StartPercentage)) / SectorNum));
-    }
+  Print(L"%s       0 Kb", mProgressFrame);
 
+  for (Index = 0; Index < SectorNum; Index++) {
     // In the last chunk update only an actual number of remaining bytes.
     if (Index + 1 == SectorNum) {
       ToUpdate = ByteCount % SectorSize;
@@ -418,12 +437,32 @@ MvSpiFlashUpdateWithProgress (
       DEBUG ((DEBUG_ERROR, "%a: Error while updating\n", __FUNCTION__));
       return Status;
     }
+
+    ProgressBar[0] = L'\0';
+    Step = ((Index * SectorSize + ToUpdate) * PROGRESS_SLIDER_STEPS) / 
ByteCount;
+
+    Print (L"%s", mProgressDelete);
+
+    Status = StrCpyS (ProgressBar, PROGRESS_MESSAGE_SIZE, mProgressFrame);
+    if (EFI_ERROR(Status)) {
+      return Status;
+    }
+    for (ProgressIndex = 1; ProgressIndex < Step; ProgressIndex++) {
+      ProgressBar[ProgressIndex] = L'=';
+    }
+    ProgressBar[Step] = L'>';
+    UnicodeSPrint (
+      ProgressBar + (sizeof (mProgressFrame) / sizeof (CHAR16)) - 1,
+      sizeof (ProgressBar) - sizeof (mProgressFrame),
+      L" %7d Kb",
+      (Index * SectorSize + ToUpdate) / 1024
+      );
+
+    Print(L"%s", ProgressBar);
   }
   FreePool (TmpBuf);
 
-  if (Progress != NULL) {
-    Progress (EndPercentage);
-  }
+  Print (L"\n");
 
   return EFI_SUCCESS;
 }
-- 
2.21.0


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