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....@intel.com>
Cc: Michael D Kinney <michael.d.kin...@intel.com>
Cc: Liming Gao <liming....@intel.com>
Cc: Sean Brogan <sean.bro...@microsoft.com>
Cc: Michael Turner <michael.tur...@microsoft.com>
Cc: Bret Barkelew <bret.barke...@microsoft.com>
---
MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c | 41 ++++++++++++++++++++----
1 file changed, 35 insertions(+), 6 deletions(-)
diff --git a/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c
b/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c
index ffb84b39e5..c3ae3161cc 100644
--- a/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c
+++ b/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c
@@ -7,7 +7,7 @@
being blocked. This may occur if a key(s) are pressed in a terminal emulator
used to monitor the DEBUG() and ASSERT() messages.
- 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
@@ -70,9 +70,41 @@ DebugPrint (
...
)
{
- CHAR8 Buffer[MAX_DEBUG_MESSAGE_LENGTH];
VA_LIST Marker;
+ ASSERT(Format != NULL);
+
+ 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
+ )
+{
+ CHAR8 Buffer[MAX_DEBUG_MESSAGE_LENGTH];
+
//
// If Format is NULL, then ASSERT().
//
@@ -88,9 +120,7 @@ DebugPrint (
//
// Convert the DEBUG() message to an ASCII String
//
- VA_START (Marker, Format);
- AsciiVSPrint (Buffer, sizeof (Buffer), Format, Marker);
- VA_END (Marker);
+ AsciiVSPrint (Buffer, sizeof (Buffer), Format, VaListMarker);
//
// Send the print string to a Serial Port
@@ -98,7 +128,6 @@ DebugPrint (
SerialPortWrite ((UINT8 *)Buffer, AsciiStrLen (Buffer));
}
-
/**
Prints an assert message containing a filename, line number, and description.
This may be followed by a breakpoint or a dead loop.
--
2.16.2.windows.1
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