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authorBret Barkelew <Bret.Barkelew@microsoft.com>2019-03-14 17:03:40 +0800
committerLiming Gao <liming.gao@intel.com>2019-04-02 12:49:28 +0800
commitb22b4f5aeed97f26db016f44f1a8a44139b171f3 (patch)
tree836af157d6a91424b59fa939012b24a2a7557805 /MdePkg
parent8055c3d5ee3f25c0f8fe985ccd9fe70f8d552a6b (diff)
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MdePkg/DxeRuntimeDebugLibSerialPort: Add new APIs
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1395 Add new APIs' implementation (DebugVPrint, DebugBPrint) in the DebugLib instance. These APIs would expose print routines with VaList parameter and BaseList parameter. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Zhichao Gao <zhichao.gao@intel.com> Cc: Michael D Kinney <michael.d.kinney@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> Reviewed-by: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'MdePkg')
-rw-r--r--MdePkg/Library/DxeRuntimeDebugLibSerialPort/DebugLib.c106
1 files changed, 101 insertions, 5 deletions
diff --git a/MdePkg/Library/DxeRuntimeDebugLibSerialPort/DebugLib.c b/MdePkg/Library/DxeRuntimeDebugLibSerialPort/DebugLib.c
index e1266f77fa..4af1cde488 100644
--- a/MdePkg/Library/DxeRuntimeDebugLibSerialPort/DebugLib.c
+++ b/MdePkg/Library/DxeRuntimeDebugLibSerialPort/DebugLib.c
@@ -4,7 +4,7 @@
been called, to prevent touching hardware that is no longer owned by the
firmware.
- Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
This program and the accompanying materials
@@ -34,6 +34,12 @@ STATIC BOOLEAN mEfiAtRuntime = FALSE;
//
#define MAX_DEBUG_MESSAGE_LENGTH 0x100
+//
+// VA_LIST can not initialize to NULL for all compiler, so we use this to
+// indicate a null VA_LIST
+//
+VA_LIST mVaListNull;
+
/**
Set AtRuntime flag as TRUE after ExitBootServices.
@@ -126,8 +132,40 @@ DebugPrint (
...
)
{
+ 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 base on Null-terminated format string and a
+ VA_LIST argument list or a BASE_LIST argument list.
+
+ 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().
+
+ @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.
+ @param BaseListMarker BASE_LIST marker for the variable argument list.
+
+**/
+VOID
+DebugPrintMarker (
+ IN UINTN ErrorLevel,
+ IN CONST CHAR8 *Format,
+ IN VA_LIST VaListMarker,
+ IN BASE_LIST BaseListMarker
+ )
+{
CHAR8 Buffer[MAX_DEBUG_MESSAGE_LENGTH];
- VA_LIST Marker;
if (mEfiAtRuntime) {
return;
@@ -148,9 +186,11 @@ DebugPrint (
//
// Convert the DEBUG() message to an ASCII String
//
- VA_START (Marker, Format);
- AsciiVSPrint (Buffer, sizeof (Buffer), Format, Marker);
- VA_END (Marker);
+ if (BaseListMarker == NULL) {
+ AsciiVSPrint (Buffer, sizeof (Buffer), Format, VaListMarker);
+ } else {
+ AsciiBSPrint (Buffer, sizeof (Buffer), Format, BaseListMarker);
+ }
//
// Send the print string to a Serial Port
@@ -160,6 +200,62 @@ DebugPrint (
/**
+ 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().
+
+ @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
+ )
+{
+ DebugPrintMarker (ErrorLevel, Format, VaListMarker, NULL);
+}
+
+
+/**
+ Prints a debug message to the debug output device if the specified
+ error level is enabled.
+ This function use BASE_LIST which would provide a more compatible
+ service than VA_LIST.
+
+ 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().
+
+ @param ErrorLevel The error level of the debug message.
+ @param Format Format string for the debug message to print.
+ @param BaseListMarker BASE_LIST marker for the variable argument list.
+
+**/
+VOID
+EFIAPI
+DebugBPrint (
+ IN UINTN ErrorLevel,
+ IN CONST CHAR8 *Format,
+ IN BASE_LIST BaseListMarker
+ )
+{
+ DebugPrintMarker (ErrorLevel, Format, mVaListNull, BaseListMarker);
+}
+
+
+/**
Prints an assert message containing a filename, line number, and description.
This may be followed by a breakpoint or a dead loop.