diff options
Diffstat (limited to 'MdeModulePkg/Library')
| -rw-r--r-- | MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLibInternal.c | 73 |
1 files changed, 19 insertions, 54 deletions
diff --git a/MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLibInternal.c b/MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLibInternal.c index 2d807bf..bd5b8f5 100644 --- a/MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLibInternal.c +++ b/MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLibInternal.c @@ -3,6 +3,7 @@ This library class defines a set of interfaces to customize Display module
Copyright (c) 2013-2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2025, Loongson Technology Corporation Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -859,10 +860,7 @@ PrintInternal ( )
{
CHAR16 *Buffer;
- CHAR16 *BackupBuffer;
UINTN Index;
- UINTN PreviousIndex;
- UINTN Count;
UINTN TotalCount;
UINTN PrintWidth;
UINTN CharWidth;
@@ -870,10 +868,8 @@ PrintInternal ( //
// For now, allocate an arbitrarily long buffer
//
- Buffer = AllocateZeroPool (0x10000);
- BackupBuffer = AllocateZeroPool (0x10000);
+ Buffer = AllocateZeroPool (0x10000);
ASSERT (Buffer);
- ASSERT (BackupBuffer);
if (Column != (UINTN)-1) {
Out->SetCursorPosition (Out, Column, Row);
@@ -884,73 +880,42 @@ PrintInternal ( Out->Mode->Attribute = Out->Mode->Attribute & 0x7f;
Out->SetAttribute (Out, Out->Mode->Attribute);
+ Out->OutputString (Out, Buffer);
- Index = 0;
- PreviousIndex = 0;
- Count = 0;
- TotalCount = 0;
- PrintWidth = 0;
- CharWidth = 1;
+ Index = 0;
+ TotalCount = 0;
+ PrintWidth = 0;
+ CharWidth = 1;
do {
- for ( ; (Buffer[Index] != NARROW_CHAR) && (Buffer[Index] != WIDE_CHAR) && (Buffer[Index] != 0); Index++) {
- BackupBuffer[Index] = Buffer[Index];
- }
-
if (Buffer[Index] == 0) {
break;
}
- //
- // Print this out, we are about to switch widths
- //
- Out->OutputString (Out, &BackupBuffer[PreviousIndex]);
- Count = StrLen (&BackupBuffer[PreviousIndex]);
- PrintWidth += Count * CharWidth;
- TotalCount += Count;
-
- //
- // Preserve the current index + 1, since this is where we will start printing from next
- //
- PreviousIndex = Index + 1;
-
- //
- // We are at a narrow or wide character directive. Set attributes and strip it and print it
- //
- if (Buffer[Index] == NARROW_CHAR) {
- //
- // Preserve bits 0 - 6 and zero out the rest
- //
- Out->Mode->Attribute = Out->Mode->Attribute & 0x7f;
- Out->SetAttribute (Out, Out->Mode->Attribute);
- CharWidth = 1;
- } else {
- //
- // Must be wide, set bit 7 ON
- //
- Out->Mode->Attribute = Out->Mode->Attribute | EFI_WIDE_ATTRIBUTE;
- Out->SetAttribute (Out, Out->Mode->Attribute);
- CharWidth = 2;
+ switch (Buffer[Index]) {
+ case NARROW_CHAR:
+ CharWidth = 1;
+ break;
+ case WIDE_CHAR:
+ CharWidth = 2;
+ break;
+ default:
+ PrintWidth += CharWidth;
+ TotalCount += 1;
+ break;
}
Index++;
} while (Buffer[Index] != 0);
//
- // We hit the end of the string - print it
+ // We hit the end of the string - fill remaining space with SPACE.
//
- Out->OutputString (Out, &BackupBuffer[PreviousIndex]);
- Count = StrLen (&BackupBuffer[PreviousIndex]);
- PrintWidth += Count * CharWidth;
- TotalCount += Count;
if (PrintWidth < Width) {
- Out->Mode->Attribute = Out->Mode->Attribute & 0x7f;
- Out->SetAttribute (Out, Out->Mode->Attribute);
Out->OutputString (Out, &mSpaceBuffer[SPACE_BUFFER_SIZE - Width + PrintWidth]);
}
FreePool (Buffer);
- FreePool (BackupBuffer);
return TotalCount;
}
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