menu_book Course Curriculum (VHDL) expand_more
report
Learn report in VHDL through a focused explanation, a dedicated construct-specific example, an engineering boundary, and a mastery check.
report is an atomic VHDL topic inside Sequential Statements. This lesson focuses on how the report construct is written, what it changes, and when it is the right tool.
Trace the example line by line. Identify the exact syntax for report, the input state before it runs, and the resulting value, control flow, database state, hardware behavior, or runtime effect afterward. Neighboring lessons use different constructs rather than renamed copies of this one.
Topic-specific example
report "simulation started" severity note;
For report, test the boundary that belongs to this exact feature rather than a generic failure case. Check invalid or empty input, NULL/unknown state, numeric limits, transaction or exception behavior, synthesis/runtime constraints, ownership/permission rules, or backtracking/control-flow effects where they apply.