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fabulous: add 'corner' argument 

Signed-off-by: Leo Moser <leomoser99@gmail.com>
This commit is contained in:
Leo Moser 2026-04-07 17:11:25 +02:00
parent 3e0ef57793
commit 75dcbdcb77
1 changed files with 18 additions and 1 deletions
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19
generic/viaduct/fabulous/fabulous.cc
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@ -53,6 +53,8 @@ struct FabulousImpl : ViaductAPI
cfg.clb.lut_k = std::stoi(a.second);
else if (a.first == "pcf")
pcf_file = a.second;
else if (a.first == "corner")
corner = a.second;
else
log_error("unrecognised fabulous option '%s'\n", a.first.c_str());
}
@ -196,6 +198,8 @@ struct FabulousImpl : ViaductAPI
std::string pcf_file;
std::string corner;
std::unique_ptr<BlockTracker> blk_trk;
std::string get_env_var(const std::string &name, const std::string &prompt = "")
@ -347,6 +351,7 @@ struct FabulousImpl : ViaductAPI
// TODO: this is for legacy fabulous only, the new code path can be a lot simpler
void init_bels_v1()
{
log_info("Reading BELs file: /npnroutput/bel.txt\n");
std::ifstream in = open_data_rel("/npnroutput/bel.txt");
CsvParser csv(in);
while (csv.fetch_next_line()) {
@ -386,6 +391,7 @@ struct FabulousImpl : ViaductAPI
void init_bels_v2()
{
log_info("Reading BELs file: /.FABulous/bel.v2.txt\n");
std::ifstream in = open_data_rel("/.FABulous/bel.v2.txt");
CsvParser csv(in);
BelId curr_bel;
@ -510,7 +516,18 @@ struct FabulousImpl : ViaductAPI
int max_x = 0, max_y = 0;
void init_pips()
{
std::ifstream in = open_data_rel(is_new_fab ? "/.FABulous/pips.txt" : "/npnroutput/pips.txt");
// PIP file selection
std::string pips_file = "/npnroutput/pips.txt";
if (is_new_fab) {
if (!corner.empty()) {
pips_file = stringf("/.FABulous/pips.%s.txt", corner.c_str());
} else {
pips_file = "/.FABulous/pips.txt";
}
}
log_info("Reading PIPs file: %s\n", pips_file.c_str());
std::ifstream in = open_data_rel(pips_file);
CsvParser csv(in);
while (csv.fetch_next_line()) {
IdString src_tile = csv.next_field().to_id(ctx);