OpenFPGA/openfpga/src/base/openfpga_verilog_command.cpp

141 lines
7.0 KiB
C++

/********************************************************************
* Add commands to the OpenFPGA shell interface,
* in purpose of generate Verilog netlists modeling the full FPGA fabric
* This is one of the core engine of openfpga, including:
* - generate_fabric_verilog : generate Verilog netlists about FPGA fabric
* - generate_fabric_verilog_testbench : TODO: generate Verilog testbenches
*******************************************************************/
#include "openfpga_verilog.h"
#include "openfpga_verilog_command.h"
/* begin namespace openfpga */
namespace openfpga {
/********************************************************************
* - Add a command to Shell environment: generate fabric Verilog
* - Add associated options
* - Add command dependency
*******************************************************************/
static
ShellCommandId add_openfpga_write_fabric_verilog_command(openfpga::Shell<OpenfpgaContext>& shell,
const ShellCommandClassId& cmd_class_id,
const std::vector<ShellCommandId>& dependent_cmds) {
Command shell_cmd("write_fabric_verilog");
/* Add an option '--file' in short '-f'*/
CommandOptionId output_opt = shell_cmd.add_option("file", true, "Specify the output directory for Verilog netlists");
shell_cmd.set_option_short_name(output_opt, "f");
shell_cmd.set_option_require_value(output_opt, openfpga::OPT_STRING);
/* Add an option '--explicit_port_mapping' */
shell_cmd.add_option("explicit_port_mapping", false, "Use explicit port mapping in Verilog netlists");
/* Add an option '--include_timing' */
shell_cmd.add_option("include_timing", false, "Enable timing annotation in Verilog netlists");
/* Add an option '--include_signal_init' */
shell_cmd.add_option("include_signal_init", false, "Initialize all the signals in Verilog netlists");
/* Add an option '--support_icarus_simulator' */
shell_cmd.add_option("support_icarus_simulator", false, "Fine-tune Verilog netlists to support icarus simulator");
/* Add an option '--print_user_defined_template' */
shell_cmd.add_option("print_user_defined_template", false, "Generate a template Verilog files for user-defined circuit models");
/* Add an option '--verbose' */
shell_cmd.add_option("verbose", false, "Enable verbose output");
/* Add command 'write_fabric_verilog' to the Shell */
ShellCommandId shell_cmd_id = shell.add_command(shell_cmd, "generate Verilog netlists modeling full FPGA fabric");
shell.set_command_class(shell_cmd_id, cmd_class_id);
shell.set_command_execute_function(shell_cmd_id, write_fabric_verilog);
/* Add command dependency to the Shell */
shell.set_command_dependency(shell_cmd_id, dependent_cmds);
return shell_cmd_id;
}
/********************************************************************
* - Add a command to Shell environment: write Verilog testbench
* - Add associated options
* - Add command dependency
*******************************************************************/
static
ShellCommandId add_openfpga_write_verilog_testbench_command(openfpga::Shell<OpenfpgaContext>& shell,
const ShellCommandClassId& cmd_class_id,
const std::vector<ShellCommandId>& dependent_cmds) {
Command shell_cmd("write_verilog_testbench");
/* Add an option '--file' in short '-f'*/
CommandOptionId output_opt = shell_cmd.add_option("file", true, "Specify the output directory for Verilog netlists");
shell_cmd.set_option_short_name(output_opt, "f");
shell_cmd.set_option_require_value(output_opt, openfpga::OPT_STRING);
/* Add an option '--reference_benchmark_file_path'*/
CommandOptionId ref_bm_opt = shell_cmd.add_option("reference_benchmark_file_path", true, "Specify the file path to the reference Verilog netlist");
shell_cmd.set_option_require_value(ref_bm_opt, openfpga::OPT_STRING);
/* Add an option '--print_top_testbench' */
shell_cmd.add_option("print_top_testbench", false, "Generate a full testbench for top-level fabric module with autocheck capability");
/* Add an option '--fast_configuration' */
shell_cmd.add_option("fast_configuration", false, "Reduce the period of configuration by skip zero data points");
/* Add an option '--print_formal_verification_top_netlist' */
shell_cmd.add_option("print_formal_verification_top_netlist", false, "Generate a top-level module which can be used in formal verification");
/* Add an option '--print_preconfig_top_testbench' */
shell_cmd.add_option("print_preconfig_top_testbench", false, "Generate a pre-configured testbench for top-level fabric module with autocheck capability");
/* Add an option '--print_simulation_ini' */
CommandOptionId sim_ini_opt = shell_cmd.add_option("print_simulation_ini", false, "Generate a .ini file as an exchangeable file to enable HDL simulations");
shell_cmd.set_option_require_value(sim_ini_opt, openfpga::OPT_STRING);
/* Add an option '--explicit_port_mapping' */
shell_cmd.add_option("explicit_port_mapping", false, "Use explicit port mapping in Verilog netlists");
/* Add an option '--verbose' */
shell_cmd.add_option("verbose", false, "Enable verbose output");
/* Add command to the Shell */
ShellCommandId shell_cmd_id = shell.add_command(shell_cmd, "generate Verilog testbenches for full FPGA fabric");
shell.set_command_class(shell_cmd_id, cmd_class_id);
shell.set_command_execute_function(shell_cmd_id, write_verilog_testbench);
/* Add command dependency to the Shell */
shell.set_command_dependency(shell_cmd_id, dependent_cmds);
return shell_cmd_id;
}
void add_openfpga_verilog_commands(openfpga::Shell<OpenfpgaContext>& shell) {
/* Get the unique id of 'build_fabric' command which is to be used in creating the dependency graph */
const ShellCommandId& build_fabric_cmd_id = shell.command(std::string("build_fabric"));
/* Add a new class of commands */
ShellCommandClassId openfpga_verilog_cmd_class = shell.add_command_class("FPGA-Verilog");
/********************************
* Command 'write_fabric_verilog'
*/
/* The 'write_fabric_verilog' command should NOT be executed before 'build_fabric' */
std::vector<ShellCommandId> fabric_verilog_dependent_cmds;
fabric_verilog_dependent_cmds.push_back(build_fabric_cmd_id);
add_openfpga_write_fabric_verilog_command(shell,
openfpga_verilog_cmd_class,
fabric_verilog_dependent_cmds);
/********************************
* Command 'write_verilog_testbench'
*/
/* The command 'write_verilog_testbench' should NOT be executed before 'build_fabric' */
std::vector<ShellCommandId> verilog_testbench_dependent_cmds;
verilog_testbench_dependent_cmds.push_back(build_fabric_cmd_id);
add_openfpga_write_verilog_testbench_command(shell,
openfpga_verilog_cmd_class,
verilog_testbench_dependent_cmds);
}
} /* end namespace openfpga */