From b6b22b132ada04696a0f7481a12169808c3e2b3e Mon Sep 17 00:00:00 2001
From: jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 15 Sep 2011 20:10:39 +0000
Subject: ShellPkg: Eliminate loss of high bits in return value from exit
 command on 64 bit platform.

submitted-by: jcarsey
reviewed-by:  gookboy15a
reviewed-by:  niruiyu

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12356 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../UefiShellCommandLib/UefiShellCommandLib.c      | 23 ++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

(limited to 'ShellPkg/Library/UefiShellCommandLib')

diff --git a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
index 2c1dcd3c13..971294ffd4 100644
--- a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
+++ b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
@@ -26,6 +26,7 @@ STATIC SCRIPT_FILE_LIST                   mScriptList;
 STATIC ALIAS_LIST                         mAliasList;
 STATIC BOOLEAN                            mEchoState;
 STATIC BOOLEAN                            mExitRequested;
+STATIC UINT64                             mExitCode;
 STATIC BOOLEAN                            mExitScript;
 STATIC CHAR16                             *mProfileList;
 STATIC UINTN                              mProfileListSize;
@@ -697,12 +698,14 @@ ShellCommandSetEchoState(
 /**
   Indicate that the current shell or script should exit.
 
-  @param[in] ScriptOnly   TRUE if only exiting a script, FALSE othrwise.
+  @param[in] ScriptOnly   TRUE if exiting a script; FALSE otherwise.
+  @param[in] ErrorCode    The 64 bit error code to return.
 **/
 VOID
 EFIAPI
 ShellCommandRegisterExit (
-  IN BOOLEAN ScriptOnly
+  IN BOOLEAN      ScriptOnly,
+  IN CONST UINT64 ErrorCode
   )
 {
   mExitRequested = (BOOLEAN)(!mExitRequested);
@@ -711,6 +714,7 @@ ShellCommandRegisterExit (
   } else {
     mExitScript    = FALSE;
   }
+  mExitCode = ErrorCode;
 }
 
 /**
@@ -728,6 +732,21 @@ ShellCommandGetExit (
   return (mExitRequested);
 }
 
+/**
+  Retrieve the Exit code.
+
+  If ShellCommandGetExit returns FALSE than the return from this is undefined.
+
+  @return the value passed into RegisterExit.
+**/
+UINT64
+EFIAPI
+ShellCommandGetExitCode (
+  VOID
+  )
+{
+  return (mExitCode);
+}
 /**
   Retrieve the Exit script indicator.
 
-- 
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