riscv
/
OpenFPGA
mirror of https://github.com/lnis-uofu/OpenFPGA.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

[FPGA-SPICE] Optimize the print-out of SPICE ports

This commit is contained in:
tangxifan 2020-09-19 15:07:48 -06:00
parent 51d423e4db
commit f5dadca884
2 changed files with 23 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
openfpga/src/fpga_spice/spice_writer_utils.cpp
View File

@ -70,10 +70,21 @@ void print_spice_comment(std::fstream& fp,
/************************************************
* Generate a string for a port in SPICE format
* If the pin id is zero, e.g., A[0], the option
* 'omit_pin_zero' may be turned on for compact port
* print-out, e.g., A
***********************************************/
std::string generate_spice_port(const BasicPort& port) {
std::string generate_spice_port(const BasicPort& port,
const bool& omit_pin_zero) {
VTR_ASSERT(1 == port.get_width());
std::string ret = port.get_name();
if ((true == omit_pin_zero)
&& (0 == port.get_lsb())) {
return ret;
}
ret += "[";
ret += std::to_string(port.get_lsb());
ret += "]";
@ -119,7 +130,15 @@ void print_spice_subckt_definition(std::fstream& fp,
BasicPort port_pin(port.get_name(), pin, pin);
fp << generate_spice_port(port_pin);
/* For single-bit port,
* we can print the port name directly
*/
bool omit_pin_zero = false;
if ((1 == port.pins().size())
&& (0 == pin)) {
omit_pin_zero = true;
}
fp << generate_spice_port(port_pin, omit_pin_zero);
/* Increase the counter */
pin_cnt++;

3
openfpga/src/fpga_spice/spice_writer_utils.h
View File

@ -39,7 +39,8 @@ void print_spice_include_netlist(std::fstream& fp,
void print_spice_comment(std::fstream& fp,
const std::string& comment);
std::string generate_spice_port(const BasicPort& port);
std::string generate_spice_port(const BasicPort& port,
const bool& omit_pin_zero = false);
void print_spice_subckt_definition(std::fstream& fp,
const ModuleManager& module_manager, const ModuleId& module_id);