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[lib] developing pin dir convention support

This commit is contained in:
tangxifan 2022-10-17 12:35:06 -07:00
parent dbbabbc098
commit 2f434fd4d3
2 changed files with 22 additions and 12 deletions
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24
libs/libpcf/src/io/read_csv_io_pin_table.cpp
View File

@ -29,7 +29,7 @@ constexpr const char* DIRECTION_OUTPUT = "out";
/********************************************************************
* Parse XML codes about <pin_constraints> to an object of PinConstraints
*******************************************************************/
IoPinTable read_csv_io_pin_table(const char* fname) {
IoPinTable read_csv_io_pin_table(const char* fname, const e_pin_table_direction_convention& pin_dir_convention) {
vtr::ScopedStartFinishTimer timer("Read I/O Pin Table");
IoPinTable io_pin_table;
@ -66,16 +66,18 @@ IoPinTable read_csv_io_pin_table(const char* fname) {
/*This is not general purpose: we should have an explicit attribute in the
* csv file to decalare direction */
if (internal_pin_parser.port().get_name().find("A2F") !=
std::string::npos) {
io_pin_table.set_pin_direction(pin_id, IoPinTable::INPUT);
} else if (internal_pin_parser.port().get_name().find("F2A") !=
std::string::npos) {
io_pin_table.set_pin_direction(pin_id, IoPinTable::OUTPUT);
} else {
VTR_LOG(
"Invalid direction defintion! Expect [A2F|F2A] in the pin name\n");
exit(1);
if (pin_dir_convention == e_pin_table_direction_convention::QUICKLOGIC) {
if (internal_pin_parser.port().get_name().find("A2F") !=
std::string::npos) {
io_pin_table.set_pin_direction(pin_id, IoPinTable::INPUT);
} else if (internal_pin_parser.port().get_name().find("F2A") !=
std::string::npos) {
io_pin_table.set_pin_direction(pin_id, IoPinTable::OUTPUT);
} else {
VTR_LOG(
"Invalid direction defintion! Expect [A2F|F2A] in the pin name\n");
exit(1);
}
}
/* Parse pin direction from a specific column, this has a higher priority than inferring from pin names */

10
libs/libpcf/src/io/read_csv_io_pin_table.h
View File

@ -14,7 +14,15 @@
/* Begin namespace openfpga */
namespace openfpga {
IoPinTable read_csv_io_pin_table(const char* fname);
/* Option to read csv */
enum class e_pin_table_direction_convention {
EXPLICIT = 0,
QUICKLOGIC,
NUM_PIN_DIRECTION_CONVENTION
};
constexpr std::array<const char*, NUM_PIN_DIRECTION_CONVENTION> PIN_TABLE_DIRECTION_CONVENTION_STRING = {{"explicit", "quicklogic"}}; //String versions of side orientations
IoPinTable read_csv_io_pin_table(const char* fname, const e_pin_table_direction_convention& pin_dir_convention);
} /* End namespace openfpga*/