OpenCoreUefi: Introduce ProvideEarlyConsole

Changelog.md

@@ -17,6 +17,7 @@ OpenCore Changelog
 - Replaced `RequireVault` and `RequireSignature` with `Vault`
 - Added `BootKicker` tool to support launching Apple BootPicker
 - Added BootPicker support as an external UI in OC through `PickerMode`
+- Added `ProvideEarlyConsole` to view console output during startup
 
 #### v0.5.5
 - Fixed CPU bus ratio calculation for Nehalem and Westmere

Docs/Configuration.tex

@@ -3985,6 +3985,19 @@ build -a X64 -b RELEASE -t XCODE5 -p MdeModulePkg/MdeModulePkg.dsc
   \emph{Note}: This option will also replace broken GOP protocol on console handle,
   which may be the case on \texttt{MacPro5,1} with newer GPUs.
 
+\item
+  \texttt{ProvideEarlyConsole}\\
+  \textbf{Type}: \texttt{plist\ boolean}\\
+  \textbf{Failsafe}: \texttt{false}\\
+  \textbf{Description}: Ensure switching to text mode early at startup.
+
+  Disabling this option may result in hiding all messages during startup.
+  Since only error messages should normally be printed during startup, this option
+  is recommended to be always enabled. The only exception for this option
+  to be disabled is when firmware or third-party drivers, e.g. \texttt{ApfsJumpStart}
+  on legacy Macs, unconditionally print to standard output and cannot be otherwise
+  controlled by the bootloader.
+
 \item
   \texttt{ReconnectOnResChange}\\
   \textbf{Type}: \texttt{plist\ boolean}\\

Docs/Differences/Differences.tex

 \documentclass[]{article}
 %DIF LATEXDIFF DIFFERENCE FILE
 %DIF DEL PreviousConfiguration.tex   Thu Feb  6 00:43:28 2020
-%DIF ADD ../Configuration.tex        Sun Feb  9 14:54:45 2020
+%DIF ADD ../Configuration.tex        Sun Feb  9 19:48:13 2020
 
 \usepackage{lmodern}
 \usepackage{amssymb,amsmath}
@@ -4424,6 +4424,21 @@ build -a X64 -b RELEASE -t XCODE5 -p MdeModulePkg/MdeModulePkg.dsc
   which may be the case on }\texttt{\DIFadd{MacPro5,1}} \DIFadd{with newer GPUs.
 }
 
+\item
+  \texttt{\DIFadd{ProvideEarlyConsole}}\\
+  \textbf{\DIFadd{Type}}\DIFadd{: }\texttt{\DIFadd{plist\ boolean}}\\
+  \textbf{\DIFadd{Failsafe}}\DIFadd{: }\texttt{\DIFadd{false}}\\
+  \textbf{\DIFadd{Description}}\DIFadd{: Ensure switching to text mode early at startup.
+}
+
+  \DIFadd{Disabling this option may result in hiding all messages during startup.
+  Since only error messages should normally be printed during startup, this option
+  is recommended to be always enabled. The only exception for this option
+  to be disabled is when firmware or third-party drivers, e.g. }\texttt{\DIFadd{ApfsJumpStart}}
+  \DIFadd{on legacy Macs, unconditionally print to standard output and cannot be otherwise
+  controlled by the bootloader.
+}
+
 \item
   \texttt{\DIFadd{ReconnectOnResChange}}\\
   \textbf{\DIFadd{Type}}\DIFadd{: }\texttt{\DIFadd{plist\ boolean}}\\

Docs/Sample.plist

@@ -805,7 +805,9 @@
 			<key>IgnoreTextInGraphics</key>
 			<false/>
 			<key>ProvideConsoleGop</key>
-			<false/>
+			<true/>
+			<key>ProvideEarlyConsole</key>
+			<true/>
 			<key>ReconnectOnResChange</key>
 			<false/>
 			<key>ReplaceTabWithSpace</key>

Docs/SampleFull.plist

@@ -908,7 +908,9 @@
 			<key>IgnoreTextInGraphics</key>
 			<false/>
 			<key>ProvideConsoleGop</key>
-			<false/>
+			<true/>
+			<key>ProvideEarlyConsole</key>
+			<true/>
 			<key>ReconnectOnResChange</key>
 			<false/>
 			<key>ReplaceTabWithSpace</key>

Platform/OpenCore/OpenCoreUefi.c

@@ -472,6 +472,10 @@ OcLoadUefiOutputSupport (
     Config->Uefi.Output.ReplaceTabWithSpace
     );
 
+  if (Config->Uefi.Output.ProvideEarlyConsole) {
+    OcConsoleControlSetMode (EfiConsoleControlScreenText);
+  }
+
   OcParseConsoleMode (
     OC_BLOB_GET (&Config->Uefi.Output.ConsoleMode),
     &Width,