[PATCH V2 12/17] IntelFramworkModulePkg/PeiDxeDebugLibReportStatusCode: Add a new api

[Zhichao Gao <zhichao.gao@intel.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1395

Add a new api DebugVPrint implementation in the
DebugLib instance. This api would expose a print
routine with VaList parameter.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Michael Turner <Michael.Turner@microsoft.com>
Cc: Bret Barkelew <Bret.Barkelew@microsoft.com>
---
 .../PeiDxeDebugLibReportStatusCode/DebugLib.c      | 40 +++++++++++++++++++---
 1 file changed, 35 insertions(+), 5 deletions(-)

diff --git a/IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c b/IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c
index b0445115a9..2e4a41d2d8 100644
--- a/IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c
+++ b/IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c
@@ -4,7 +4,7 @@
   Note that if the debug message length is larger than the maximum allowable
   record length, then the debug message will be ignored directly.
 
-  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
   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
@@ -52,12 +52,43 @@ DebugPrint (
   IN  CONST CHAR8  *Format,
   ...
   )
+{
+  VA_LIST         Marker;
+
+  VA_START (Marker, Format);
+  DebugVPrint (ErrorLevel, Format, Marker);
+  VA_END (Marker);
+}
+
+
+/**
+  Prints a debug message to the debug output device if the specified error level is enabled.
+
+  If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function
+  GetDebugPrintErrorLevel (), then print the message specified by Format and the
+  associated variable argument list to the debug output device.
+
+  If Format is NULL, then ASSERT().
+  If the length of the message string specificed by Format is larger than the maximum allowable
+  record length, then directly return and not print it.
+
+  @param  ErrorLevel    The error level of the debug message.
+  @param  Format        Format string for the debug message to print.
+  @param  VaListMarker  VA_LIST marker for the variable argument list.
+
+**/
+VOID
+EFIAPI
+DebugVPrint (
+  IN  UINTN        ErrorLevel,
+  IN  CONST CHAR8  *Format,
+  IN  VA_LIST       VaListMarker
+  )
 {
   UINT64          Buffer[(EFI_STATUS_CODE_DATA_MAX_SIZE / sizeof (UINT64)) + 1];
   EFI_DEBUG_INFO  *DebugInfo;
   UINTN           TotalSize;
   UINTN           DestBufferSize;
-  VA_LIST         VaListMarker;
   BASE_LIST       BaseListMarker;
   CHAR8           *FormatString;
   BOOLEAN         Long;
@@ -129,7 +160,6 @@ DebugPrint (
   // of format in DEBUG string, which is followed by the DEBUG format string.
   // Here we will process the variable arguments and pack them in this area.
   //
-  VA_START (VaListMarker, Format);
   for (; *Format != '\0'; Format++) {
     //
     // Only format with prefix % is processed.
@@ -214,11 +244,9 @@ DebugPrint (
     // If the converted BASE_LIST is larger than the 12 * sizeof (UINT64) allocated bytes, then return
     //
     if ((CHAR8 *)BaseListMarker > FormatString) {
-      VA_END (VaListMarker);
       return;
     }
   }
-  VA_END (VaListMarker);
 
   //
   // Send the DebugInfo record
@@ -234,6 +262,7 @@ DebugPrint (
     );
 }
 
+
 /**
   Prints an assert message containing a filename, line number, and description.
   This may be followed by a breakpoint or a dead loop.
@@ -470,6 +499,7 @@ DebugClearMemoryEnabled (
   return (BOOLEAN) ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED) != 0);
 }
 
+
 /**
   Returns TRUE if any one of the bit is set both in ErrorLevel and PcdFixedDebugPrintErrorLevel.
 
-- 
2.16.2.windows.1