 GHDL

ID: ghdl

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GHDL by

Ciro Santilli 37  Updated 2025-05-26  +Created 1970-01-01

github.com/ghdl/ghdl

Examples under vhdl.

First install GHDL. On Ubuntu:

sudo apt install verilator

Tested on Verilator 1.0.0, Ubuntu 22.04.

Run all examples, which have assertions in them:

cd vhdl
./run

Files:

Examples
- Basic
  - vhdl/hello_world_tb.vhdl: hello world
  - vhdl/min_tb.vhdl: min
  - vhdl/assert_tb.vhdl: assert
- Lexer
  - vhdl/comments_tb.vhdl: comments
  - vhdl/case_insensitive_tb.vhdl: case insensitive
  - vhdl/whitespace_tb.vhdl: whitespace
  - vhdl/literals_tb.vhdl: literals
- Flow control
  - vhdl/procedure_tb.vhdl: procedure
  - vhdl/function_tb.vhdl: function
- vhdl/operators_tb.vhdl: operators
- Types
  - vhdl/integer_types_tb.vhdl: integer types
  - vhdl/array_tb.vhdl: array
  - vhdl/record_tb.vhdl.bak: record. TODO fails with "GHDL Bug occurred" on GHDL 1.0.0
  - vhdl/generic_tb.vhdl: generic
- vhdl/package_test_tb.vhdl: Packages
  - vhdl/standard_package_tb.vhdl: standard package
  - textio
    * vhdl/write_tb.vhdl: write
    * vhdl/read_tb.vhdl: read
  - vhdl/std_logic_tb.vhdl: std_logic
- vhdl/stop_delta_tb.vhdl: --stop-delta
Applications
- Combinatoric
  - vhdl/adder.vhdl: adder
  - vhdl/sqrt8_tb.vhdl: sqrt8
- Sequential
  - vhdl/clock_tb.vhdl: clock
  - vhdl/counter.vhdl: counter
Helpers
* vhdl/template_tb.vhdl: template

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