MdeModulePkg/MdeModulePkg.dec | 4 +++ MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf | 2 ++ MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c | 30 ++++++++++++++++++++ 3 files changed, 36 insertions(+)
From: Laszlo Ersek <lersek@redhat.com>
Reference: <http://rtfm.etla.org/xterm/ctlseq.html>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Pawel: Updated commit message for re-submission
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Paweł Poławski <ppolawsk@redhat.com>
---
MdeModulePkg/MdeModulePkg.dec | 4 +++
MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf | 2 ++
MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c | 30 ++++++++++++++++++++
3 files changed, 36 insertions(+)
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 7d989108324a..45d793f3fddc 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -2098,6 +2098,10 @@
# @Prompt The shared bit mask when Intel Tdx is enabled.
gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0|UINT64|0x10000025
+ ## Controls whether TerminalDxe outputs an XTerm resize sequence on terminal
+ # mode change.
+ gEfiMdeModulePkgTokenSpaceGuid.PcdResizeXterm|FALSE|BOOLEAN|0x00010080
+
[PcdsPatchableInModule]
## Specify memory size with page number for PEI code when
# Loading Module at Fixed Address feature is enabled.
diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
index b2a8aeba8510..eff625346539 100644
--- a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
+++ b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
@@ -55,6 +55,7 @@
DebugLib
PcdLib
BaseLib
+ PrintLib
[Guids]
## SOMETIMES_PRODUCES ## Variable:L"ConInDev"
@@ -87,6 +88,7 @@
[Pcd]
gEfiMdePkgTokenSpaceGuid.PcdDefaultTerminalType ## SOMETIMES_CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdErrorCodeSetVariable ## CONSUMES
+ gEfiMdeModulePkgTokenSpaceGuid.PcdResizeXterm ## CONSUMES
# [Event]
# # Relative timer event set by UnicodeToEfiKey(), used to be one 2 seconds input timeout.
diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c
index 7809869e7d49..0ce931d6442b 100644
--- a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c
+++ b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c
@@ -7,6 +7,8 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
+#include <Library/PrintLib.h>
+
#include "Terminal.h"
//
@@ -80,6 +82,16 @@ CHAR16 mSetCursorPositionString[] = { ESC, '[', '0', '0', ';', '0', '0', 'H', 0
CHAR16 mCursorForwardString[] = { ESC, '[', '0', '0', 'C', 0 };
CHAR16 mCursorBackwardString[] = { ESC, '[', '0', '0', 'D', 0 };
+//
+// Note that this is an ASCII format string, taking two INT32 arguments:
+// rows, columns.
+//
+// A %d (INT32) format specification can expand to at most 11 characters.
+//
+CHAR8 mResizeTextAreaFormatString[] = "\x1B[8;%d;%dt";
+#define RESIZE_SEQ_SIZE (sizeof mResizeTextAreaFormatString + 2 * (11 - 2))
+
+
//
// Body of the ConOut functions
//
@@ -498,6 +510,24 @@ TerminalConOutSetMode (
return EFI_DEVICE_ERROR;
}
+ if (PcdGetBool (PcdResizeXterm)) {
+ CHAR16 ResizeSequence[RESIZE_SEQ_SIZE];
+
+ UnicodeSPrintAsciiFormat (
+ ResizeSequence,
+ sizeof ResizeSequence,
+ mResizeTextAreaFormatString,
+ (INT32) TerminalDevice->TerminalConsoleModeData[ModeNumber].Rows,
+ (INT32) TerminalDevice->TerminalConsoleModeData[ModeNumber].Columns
+ );
+ TerminalDevice->OutputEscChar = TRUE;
+ Status = This->OutputString (This, ResizeSequence);
+ TerminalDevice->OutputEscChar = FALSE;
+ if (EFI_ERROR (Status)) {
+ return EFI_DEVICE_ERROR;
+ }
+ }
+
This->Mode->Mode = (INT32)ModeNumber;
Status = This->ClearScreen (This);
--
2.37.2
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On Tue, Aug 23, 2022 at 03:02:37AM +0200, Paweł Poławski wrote: > From: Laszlo Ersek <lersek@redhat.com> > > Reference: <http://rtfm.etla.org/xterm/ctlseq.html> > Signed-off-by: Laszlo Ersek <lersek@redhat.com> > > Pawel: Updated commit message for re-submission > > Cc: Jian J Wang <jian.j.wang@intel.com> > Cc: Liming Gao <gaoliming@byosoft.com.cn> > > Signed-off-by: Paweł Poławski <ppolawsk@redhat.com> > --- > MdeModulePkg/MdeModulePkg.dec | 4 +++ > MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf | 2 ++ > MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c | 30 ++++++++++++++++++++ > 3 files changed, 36 insertions(+) > > diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec > index 7d989108324a..45d793f3fddc 100644 > --- a/MdeModulePkg/MdeModulePkg.dec > +++ b/MdeModulePkg/MdeModulePkg.dec > @@ -2098,6 +2098,10 @@ > # @Prompt The shared bit mask when Intel Tdx is enabled. > > gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0|UINT64|0x10000025 > > > > + ## Controls whether TerminalDxe outputs an XTerm resize sequence on terminal > > + # mode change. Hmm, patch formating looks broken. Did you run BaseTools/Scripts/SetupGit.py? Otherwise the patch looks good to me. Acked-by: Gerd Hoffmann <kraxel@redhat.com> take care, Gerd -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#92806): https://edk2.groups.io/g/devel/message/92806 Mute This Topic: https://groups.io/mt/93195499/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
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