From 8550b5f0810f306850f9a07ee551099155d89ae0 Mon Sep 17 00:00:00 2001 From: Cinnamon Shia Date: Mon, 3 Oct 2016 09:37:17 -0700 Subject: ShellPkg/Shell: Update CRC32 in the EFI System Table header Update CRC32 in the EFI System Table header after shell changes the value of gST->ConsoleOutHandle and gST->ConOut Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Cinnamon Shia Reviewed-By: Tapan Shah Reviewed-By: Jaben Carsey --- ShellPkg/Application/Shell/ConsoleLogger.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'ShellPkg') diff --git a/ShellPkg/Application/Shell/ConsoleLogger.c b/ShellPkg/Application/Shell/ConsoleLogger.c index 9b64303cf0..563e5e6be7 100644 --- a/ShellPkg/Application/Shell/ConsoleLogger.c +++ b/ShellPkg/Application/Shell/ConsoleLogger.c @@ -3,6 +3,7 @@ (C) Copyright 2013 Hewlett-Packard Development Company, L.P.
Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.
+ (C) Copyright 2016 Hewlett-Packard Development Company, L.P.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -91,6 +92,15 @@ ConsoleLoggerInstall( gST->ConsoleOutHandle = gImageHandle; gST->ConOut = &(*ConsoleInfo)->OurConOut; + // + // Update the CRC32 in the EFI System Table header + // + gST->Hdr.CRC32 = 0; + gBS->CalculateCrc32 ( + (UINT8 *)&gST->Hdr, + gST->Hdr.HeaderSize, + &gST->Hdr.CRC32 + ); return (Status); } @@ -126,6 +136,16 @@ ConsoleLoggerUninstall( gST->ConsoleOutHandle = ConsoleInfo->OldConHandle; gST->ConOut = ConsoleInfo->OldConOut; + // + // Update the CRC32 in the EFI System Table header + // + gST->Hdr.CRC32 = 0; + gBS->CalculateCrc32 ( + (UINT8 *)&gST->Hdr, + gST->Hdr.HeaderSize, + &gST->Hdr.CRC32 + ); + return (gBS->UninstallProtocolInterface(gImageHandle, &gEfiSimpleTextOutProtocolGuid, (VOID*)&ConsoleInfo->OurConOut)); } -- cgit v1.2.3