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edk2/0012-MdeModulePkg-TerminalDxe-set-xterm-resolution-on-mod.patch

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From fbfd113142f594c4f257b5a044a6e17ef7f66505 Mon Sep 17 00:00:00 2001
From: Laszlo Ersek <lersek@redhat.com>
Date: Tue, 25 Feb 2014 22:40:01 +0100
Subject: MdeModulePkg: TerminalDxe: set xterm resolution on mode change (RH
only)
Notes about the RHEL-8.3/20200603-ca407c7246bf [edk2-stable202005] ->
RHEL-8.5/20210520-e1999b264f1f [edk2-stable202105] rebase:
- Resolve harmless conflict in "MdeModulePkg/MdeModulePkg.dec",
originating from new upstream commits
- 45bc28172fbf ("MdeModulePkg.dec: Change PCDs for status code.",
2020-06-18),
- 0785c619a58a ("MdeModulePkg/Bus/Pci/PciBusDxe: Support PCIe Resizable
BAR Capability", 2021-01-04),
- ef23012e5439 ("MdeModulePkg: Change default value of
PcdPcieResizableBarSupport to FALSE", 2021-01-14).
Notes about the RHEL-8.2/20190904-37eef91017ad [edk2-stable201908] ->
RHEL-8.3/20200603-ca407c7246bf [edk2-stable202005] rebase:
- Resolve trivial conflict in "MdeModulePkg/MdeModulePkg.dec", arising
from upstream commit 166830d8f7ca ("MdeModulePkg/dec: add
PcdTcgPfpMeasurementRevision PCD", 2020-01-06).
Notes about the RHEL-8.1/20190308-89910a39dcfd [edk2-stable201903] ->
RHEL-8.2/20190904-37eef91017ad [edk2-stable201908] rebase:
- Conflict in "MdeModulePkg/MdeModulePkg.dec" due to upstream commits
- 1103ba946aee ("MdeModulePkg: Add Capsule On Disk related definition.",
2019-06-26),
- 1c7b3eb84631 ("MdeModulePkg/DxeIpl: Introduce PCD
PcdUse5LevelPageTable", 2019-08-09),
with easy manual resolution.
Notes about the RHEL-8.0/20180508-ee3198e672e2 ->
RHEL-8.1/20190308-89910a39dcfd rebase:
- no change
Notes about the RHEL-7.6/ovmf-20180508-2.gitee3198e672e2.el7 ->
RHEL-8.0/20180508-ee3198e672e2 rebase:
- reorder the rebase changelog in the commit message so that it reads like
a blog: place more recent entries near the top
- no changes to the patch body
Notes about the 20171011-92d07e48907f -> 20180508-ee3198e672e2 rebase:
- no change
Notes about the 20170228-c325e41585e3 -> 20171011-92d07e48907f rebase:
- Refresh downstream-only commit 2909e025db68 against "MdeModulePkg.dec"
context change from upstream commits e043f7895b83 ("MdeModulePkg: Add
PCD PcdPteMemoryEncryptionAddressOrMask", 2017-02-27) and 76081dfcc5b2
("MdeModulePkg: Add PROMPT&HELP string of pcd to UNI file", 2017-03-03).
Notes about the 20160608b-988715a -> 20170228-c325e41585e3 rebase:
- refresh commit 519b9751573e against various context changes
The
CSI Ps ; Ps ; Ps t
escape sequence serves for window manipulation. We can use the
CSI 8 ; <rows> ; <columns> t
sequence to adapt eg. the xterm window size to the selected console mode.
Reference: <http://rtfm.etla.org/xterm/ctlseq.html>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
(cherry picked from commit 2909e025db6878723b49644a8a0cf160d07e6444)
(cherry picked from commit b9c5c901f25e48d68eef6e78a4abca00e153f574)
(cherry picked from commit b7f6115b745de8cbc5214b6ede33c9a8558beb90)
(cherry picked from commit 67415982afdc77922aa37496c981adeb4351acdb)
(cherry picked from commit cfccb98d13e955beb0b93b4a75a973f30c273ffc)
(cherry picked from commit a11602f5e2ef930be5b693ddfd0c789a1bd4c60c)
(cherry picked from commit bc2266f20de5db1636e09a07e4a72c8dbf505f5a)
---
MdeModulePkg/MdeModulePkg.dec | 4 +++
.../Console/TerminalDxe/TerminalConOut.c | 30 +++++++++++++++++++
.../Console/TerminalDxe/TerminalDxe.inf | 2 ++
3 files changed, 36 insertions(+)
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 9d69fb86ed..08d59dfb3e 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -2076,6 +2076,10 @@
# @Prompt Enable PCIe Resizable BAR Capability support.
gEfiMdeModulePkgTokenSpaceGuid.PcdPcieResizableBarSupport|FALSE|BOOLEAN|0x10000024
+ ## 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/TerminalConOut.c b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConOut.c
index aae470e956..26156857aa 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
//
@@ -506,6 +518,24 @@ 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);
diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
index b2a8aeba85..eff6253465 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.
--
2.27.0
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