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author | Bret Barkelew <Bret.Barkelew@microsoft.com> | 2019-03-14 17:03:41 +0800 |
---|---|---|
committer | Liming Gao <liming.gao@intel.com> | 2019-04-02 12:49:28 +0800 |
commit | 27d86bc12b1d2186e1da3b8ca3cd7fcbf1d831ee (patch) | |
tree | 3e308a449d56b09a6d0559683bef4e2c79996150 /MdePkg | |
parent | b22b4f5aeed97f26db016f44f1a8a44139b171f3 (diff) | |
download | edk2-27d86bc12b1d2186e1da3b8ca3cd7fcbf1d831ee.tar.gz edk2-27d86bc12b1d2186e1da3b8ca3cd7fcbf1d831ee.tar.bz2 edk2-27d86bc12b1d2186e1da3b8ca3cd7fcbf1d831ee.zip |
MdePkg/UefiDebuglibDebugPortProtocol: 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/UefiDebugLibDebugPortProtocol/DebugLib.c | 106 |
1 files changed, 101 insertions, 5 deletions
diff --git a/MdePkg/Library/UefiDebugLibDebugPortProtocol/DebugLib.c b/MdePkg/Library/UefiDebugLibDebugPortProtocol/DebugLib.c index c2209f4123..b1ad2af20a 100644 --- a/MdePkg/Library/UefiDebugLibDebugPortProtocol/DebugLib.c +++ b/MdePkg/Library/UefiDebugLibDebugPortProtocol/DebugLib.c @@ -1,7 +1,7 @@ /** @file
UEFI Debug Library that sends messages to EFI_DEBUGPORT_PROTOCOL.Write.
- Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2015 - 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
@@ -37,6 +37,12 @@ EFI_DEBUGPORT_PROTOCOL *mDebugPort = NULL;
+//
+// VA_LIST can not initialize to NULL for all compiler, so we use this to
+// indicate a null VA_LIST
+//
+VA_LIST mVaListNull;
+
/**
Send message to DebugPort Protocol.
@@ -107,8 +113,40 @@ 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 Format is NULL, then ASSERT().
@@ -125,9 +163,11 @@ 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 EFI_DEBUGPORT_PROTOCOL.Write.
@@ -137,6 +177,62 @@ 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.
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