Base Debug library instance base on Serial Port library.\r
It uses PrintLib to send debug messages to serial port device.\r
\r
- Copyright (c) 2006 - 2008, Intel Corporation<BR>\r
- All rights reserved. This program and the accompanying materials \r
- are licensed and made available under the terms and conditions of the BSD License \r
- which accompanies this distribution. The full text of the license may be found at \r
- http://opensource.org/licenses/bsd-license.php \r
+ NOTE: If the Serial Port library enables hardware flow control, then a call\r
+ to DebugPrint() or DebugAssert() may hang if writes to the serial port are\r
+ being blocked. This may occur if a key(s) are pressed in a terminal emulator\r
+ used to monitor the DEBUG() and ASSERT() messages.\r
\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Library/PcdLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/SerialPortLib.h>\r
-\r
+#include <Library/DebugPrintErrorLevelLib.h>\r
\r
//\r
-// Define the maximum debug and assert message length that this library supports \r
+// Define the maximum debug and assert message length that this library supports\r
//\r
#define MAX_DEBUG_MESSAGE_LENGTH 0x100\r
\r
+//\r
+// VA_LIST can not initialize to NULL for all compiler, so we use this to\r
+// indicate a null VA_LIST\r
+//\r
+VA_LIST mVaListNull;\r
+\r
+/**\r
+ The constructor function initialize the Serial Port Library\r
+\r
+ @retval EFI_SUCCESS The constructor always returns RETURN_SUCCESS.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+BaseDebugLibSerialPortConstructor (\r
+ VOID\r
+ )\r
+{\r
+ return SerialPortInitialize ();\r
+}\r
\r
/**\r
Prints a debug message to the debug output device if the specified error level is enabled.\r
\r
- If any bit in ErrorLevel is also set in PcdDebugPrintErrorLevel, then print \r
- the message specified by Format and the associated variable argument list to \r
- the debug output device.\r
+ If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function\r
+ GetDebugPrintErrorLevel (), then print the message specified by Format and the\r
+ associated variable argument list to the debug output device.\r
\r
If Format is NULL, then ASSERT().\r
\r
@param ErrorLevel The error level of the debug message.\r
@param Format Format string for the debug message to print.\r
- @param ... The variable argument list.\r
+ @param ... Variable argument list whose contents are accessed\r
+ based on the format string specified by Format.\r
\r
**/\r
VOID\r
...\r
)\r
{\r
- CHAR8 Buffer[MAX_DEBUG_MESSAGE_LENGTH];\r
VA_LIST Marker;\r
\r
+ VA_START (Marker, Format);\r
+ DebugVPrint (ErrorLevel, Format, Marker);\r
+ VA_END (Marker);\r
+}\r
+\r
+/**\r
+ Prints a debug message to the debug output device if the specified\r
+ error level is enabled base on Null-terminated format string and a\r
+ VA_LIST argument list or a BASE_LIST argument list.\r
+\r
+ If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function\r
+ GetDebugPrintErrorLevel (), then print the message specified by Format and\r
+ the associated variable argument list to the debug output device.\r
+\r
+ If Format is NULL, then ASSERT().\r
+\r
+ @param ErrorLevel The error level of the debug message.\r
+ @param Format Format string for the debug message to print.\r
+ @param VaListMarker VA_LIST marker for the variable argument list.\r
+ @param BaseListMarker BASE_LIST marker for the variable argument list.\r
+\r
+**/\r
+VOID\r
+DebugPrintMarker (\r
+ IN UINTN ErrorLevel,\r
+ IN CONST CHAR8 *Format,\r
+ IN VA_LIST VaListMarker,\r
+ IN BASE_LIST BaseListMarker\r
+ )\r
+{\r
+ CHAR8 Buffer[MAX_DEBUG_MESSAGE_LENGTH];\r
+\r
//\r
// If Format is NULL, then ASSERT().\r
//\r
//\r
// Check driver debug mask value and global mask\r
//\r
- if ((ErrorLevel & PcdGet32(PcdDebugPrintErrorLevel)) == 0) {\r
+ if ((ErrorLevel & GetDebugPrintErrorLevel ()) == 0) {\r
return;\r
}\r
\r
//\r
// Convert the DEBUG() message to an ASCII String\r
//\r
- VA_START (Marker, Format);\r
- AsciiVSPrint (Buffer, sizeof (Buffer), Format, Marker);\r
- VA_END (Marker);\r
+ if (BaseListMarker == NULL) {\r
+ AsciiVSPrint (Buffer, sizeof (Buffer), Format, VaListMarker);\r
+ } else {\r
+ AsciiBSPrint (Buffer, sizeof (Buffer), Format, BaseListMarker);\r
+ }\r
\r
//\r
- // Send the print string to a Serial Port \r
+ // Send the print string to a Serial Port\r
//\r
- SerialPortWrite ((UINT8 *) Buffer, AsciiStrLen(Buffer));\r
+ SerialPortWrite ((UINT8 *)Buffer, AsciiStrLen (Buffer));\r
}\r
\r
+/**\r
+ Prints a debug message to the debug output device if the specified\r
+ error level is enabled.\r
+\r
+ If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function\r
+ GetDebugPrintErrorLevel (), then print the message specified by Format and\r
+ the associated variable argument list to the debug output device.\r
+\r
+ If Format is NULL, then ASSERT().\r
+\r
+ @param ErrorLevel The error level of the debug message.\r
+ @param Format Format string for the debug message to print.\r
+ @param VaListMarker VA_LIST marker for the variable argument list.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+DebugVPrint (\r
+ IN UINTN ErrorLevel,\r
+ IN CONST CHAR8 *Format,\r
+ IN VA_LIST VaListMarker\r
+ )\r
+{\r
+ DebugPrintMarker (ErrorLevel, Format, VaListMarker, NULL);\r
+}\r
+\r
+/**\r
+ Prints a debug message to the debug output device if the specified\r
+ error level is enabled.\r
+ This function use BASE_LIST which would provide a more compatible\r
+ service than VA_LIST.\r
+\r
+ If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function\r
+ GetDebugPrintErrorLevel (), then print the message specified by Format and\r
+ the associated variable argument list to the debug output device.\r
+\r
+ If Format is NULL, then ASSERT().\r
+\r
+ @param ErrorLevel The error level of the debug message.\r
+ @param Format Format string for the debug message to print.\r
+ @param BaseListMarker BASE_LIST marker for the variable argument list.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+DebugBPrint (\r
+ IN UINTN ErrorLevel,\r
+ IN CONST CHAR8 *Format,\r
+ IN BASE_LIST BaseListMarker\r
+ )\r
+{\r
+ DebugPrintMarker (ErrorLevel, Format, mVaListNull, BaseListMarker);\r
+}\r
\r
/**\r
- Prints an assert message containing a filename, line number, and description. \r
+ Prints an assert message containing a filename, line number, and description.\r
This may be followed by a breakpoint or a dead loop.\r
\r
- Print a message of the form "ASSERT <FileName>(<LineNumber>): <Description>\n" \r
- to the debug output device. If DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED bit of \r
- PcdDebugProperyMask is set then CpuBreakpoint() is called. Otherwise, if \r
- DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED bit of PcdDebugProperyMask is set then \r
- CpuDeadLoop() is called. If neither of these bits are set, then this function \r
+ Print a message of the form "ASSERT <FileName>(<LineNumber>): <Description>\n"\r
+ to the debug output device. If DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED bit of\r
+ PcdDebugProperyMask is set then CpuBreakpoint() is called. Otherwise, if\r
+ DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED bit of PcdDebugProperyMask is set then\r
+ CpuDeadLoop() is called. If neither of these bits are set, then this function\r
returns immediately after the message is printed to the debug output device.\r
- DebugAssert() must actively prevent recusrsion. If DebugAssert() is called while\r
+ DebugAssert() must actively prevent recursion. If DebugAssert() is called while\r
processing another DebugAssert(), then DebugAssert() must return immediately.\r
\r
If FileName is NULL, then a <FileName> string of "(NULL) Filename" is printed.\r
-\r
If Description is NULL, then a <Description> string of "(NULL) Description" is printed.\r
\r
- @param FileName Pointer to the name of the source file that generated the assert condition.\r
+ @param FileName The pointer to the name of the source file that generated the assert condition.\r
@param LineNumber The line number in the source file that generated the assert condition\r
- @param Description Pointer to the description of the assert condition.\r
+ @param Description The pointer to the description of the assert condition.\r
\r
**/\r
VOID\r
CHAR8 Buffer[MAX_DEBUG_MESSAGE_LENGTH];\r
\r
//\r
- // Generate the ASSERT() message in Unicode format\r
+ // Generate the ASSERT() message in Ascii format\r
//\r
- AsciiSPrint (Buffer, sizeof (Buffer), "ASSERT %a(%d): %a\n", FileName, LineNumber, Description);\r
+ AsciiSPrint (Buffer, sizeof (Buffer), "ASSERT [%a] %a(%d): %a\n", gEfiCallerBaseName, FileName, LineNumber, Description);\r
\r
//\r
// Send the print string to the Console Output device\r
//\r
- SerialPortWrite ((UINT8 *) Buffer, AsciiStrLen(Buffer));\r
+ SerialPortWrite ((UINT8 *)Buffer, AsciiStrLen (Buffer));\r
\r
//\r
// Generate a Breakpoint, DeadLoop, or NOP based on PCD settings\r
//\r
- if ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED) != 0) {\r
+ if ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED) != 0) {\r
CpuBreakpoint ();\r
- } else if ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED) != 0) {\r
+ } else if ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED) != 0) {\r
CpuDeadLoop ();\r
}\r
}\r
\r
-\r
/**\r
Fills a target buffer with PcdDebugClearMemoryValue, and returns the target buffer.\r
\r
- This function fills Length bytes of Buffer with the value specified by \r
+ This function fills Length bytes of Buffer with the value specified by\r
PcdDebugClearMemoryValue, and returns Buffer.\r
\r
If Buffer is NULL, then ASSERT().\r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
\r
- If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT(). \r
-\r
- @param Buffer Pointer to the target buffer to be filled with PcdDebugClearMemoryValue.\r
- @param Length Number of bytes in Buffer to fill with zeros PcdDebugClearMemoryValue. \r
+ @param Buffer The pointer to the target buffer to be filled with PcdDebugClearMemoryValue.\r
+ @param Length The number of bytes in Buffer to fill with zeros PcdDebugClearMemoryValue.\r
\r
- @return Buffer filled with PcdDebugClearMemoryValue.\r
+ @return Buffer The pointer to the target buffer filled with PcdDebugClearMemoryValue.\r
\r
**/\r
VOID *\r
//\r
// SetMem() checks for the the ASSERT() condition on Length and returns Buffer\r
//\r
- return SetMem (Buffer, Length, PcdGet8(PcdDebugClearMemoryValue));\r
+ return SetMem (Buffer, Length, PcdGet8 (PcdDebugClearMemoryValue));\r
}\r
\r
-\r
/**\r
Returns TRUE if ASSERT() macros are enabled.\r
\r
- This function returns TRUE if the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of \r
+ This function returns TRUE if the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of\r
PcdDebugProperyMask is set. Otherwise FALSE is returned.\r
\r
@retval TRUE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set.\r
VOID\r
)\r
{\r
- return (BOOLEAN) ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED) != 0);\r
+ return (BOOLEAN)((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED) != 0);\r
}\r
\r
-\r
/**\r
- Returns TRUE if the DEBUG() macro is enabled.\r
+ Returns TRUE if DEBUG() macros are enabled.\r
\r
- This function returns TRUE if the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of \r
+ This function returns TRUE if the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of\r
PcdDebugProperyMask is set. Otherwise FALSE is returned.\r
\r
@retval TRUE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is set.\r
VOID\r
)\r
{\r
- return (BOOLEAN) ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_PRINT_ENABLED) != 0);\r
+ return (BOOLEAN)((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_PRINT_ENABLED) != 0);\r
}\r
\r
-\r
/**\r
- Returns TRUE if the DEBUG_CODE() macros are enabled.\r
+ Returns TRUE if DEBUG_CODE() macros are enabled.\r
\r
- This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of \r
+ This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of\r
PcdDebugProperyMask is set. Otherwise FALSE is returned.\r
\r
@retval TRUE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set.\r
VOID\r
)\r
{\r
- return (BOOLEAN) ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_CODE_ENABLED) != 0);\r
+ return (BOOLEAN)((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_CODE_ENABLED) != 0);\r
}\r
\r
-\r
/**\r
- Returns TRUE if the DEBUG_CLEAR_MEMORY() macro is enabled.\r
+ Returns TRUE if DEBUG_CLEAR_MEMORY() macro is enabled.\r
\r
- This function returns TRUE if the DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of \r
+ This function returns TRUE if the DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of\r
PcdDebugProperyMask is set. Otherwise FALSE is returned.\r
\r
@retval TRUE The DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set.\r
VOID\r
)\r
{\r
- return (BOOLEAN) ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED) != 0);\r
+ return (BOOLEAN)((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED) != 0);\r
+}\r
+\r
+/**\r
+ Returns TRUE if any one of the bit is set both in ErrorLevel and PcdFixedDebugPrintErrorLevel.\r
+\r
+ This function compares the bit mask of ErrorLevel and PcdFixedDebugPrintErrorLevel.\r
+\r
+ @retval TRUE Current ErrorLevel is supported.\r
+ @retval FALSE Current ErrorLevel is not supported.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+DebugPrintLevelEnabled (\r
+ IN CONST UINTN ErrorLevel\r
+ )\r
+{\r
+ return (BOOLEAN)((ErrorLevel & PcdGet32 (PcdFixedDebugPrintErrorLevel)) != 0);\r
}\r
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