4.104 PL011_Uart - trace

This section describes the trace sources.

CHECKPOINT_MESSAGE

Report error messages from the checkpointing process. Fields:

message string
Message contents.

CHECKPOINT_RESTORE_END

Checkpoint restore completed.

CHECKPOINT_RESTORE_START

Checkpoint restore about to start.

CHECKPOINT_SAVE_END

Checkpoint save completed.

CHECKPOINT_SAVE_START

Checkpoint save about to start.

pl011_character_in

A character was received. Fields:

char unsigned int
The character received.
fifo_overflow bool
If true, then the character was lost as the fifo was full.
tick unsigned int
The count of ticks from simulation start that the UART has received.

pl011_character_out

A character was written to the UART to output. Fields:

char unsigned int
The output character.
fifo_overflow bool
If true, then the character was lost as the fifo was full.
tick unsigned int
The count of ticks from simulation start that the UART has received.

pl011_line_buffered_out

The buffered output of character_out. The buffer is flushed when any control character is received. The control characters do not form part of the buffer. The buffer's size is limited to 255 characters and truncation is indicated by an appended '...' . Fields:

buffer string
The line buffer.
tick unsigned int
The count of ticks from simulation start that the UART has received at the point at which it receives the control character that flushes the buffer.
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