interchange: Debug IO port validity check failures

Signed-off-by: gatecat <gatecat@ds0.me>

2 files changed, 5 insertions, 3 deletions

diff --git a/fpga_interchange/arch_pack_io.cc b/fpga_interchange/arch_pack_io.cc
index b018c6bd..38b619a3 100644
--- a/fpga_interchange/arch_pack_io.cc
+++ b/fpga_interchange/arch_pack_io.cc
@@ -246,7 +246,8 @@ void Arch::pack_ports()
 
         if (possible_site_types.empty()) {
             if (getCtx()->verbose)
-                log_info("Port '%s' has no possible site types, falling back to all types!\n", port_name.c_str(getCtx()));
+                log_info("Port '%s' has no possible site types, falling back to all types!\n",
+                         port_name.c_str(getCtx()));
             possible_site_types = package_pin_site_types;
         }
 
@@ -316,6 +317,7 @@ void Arch::pack_ports()
         for (CellInfo *cell : placed_cells) {
             NPNR_ASSERT(cell->bel != BelId());
             if (!isBelLocationValid(cell->bel)) {
+                explain_bel_status(cell->bel);
                 log_error("Tightly bound BEL %s was not valid!\n", nameOfBel(cell->bel));
             }
         }
diff --git a/fpga_interchange/dedicated_interconnect.cc b/fpga_interchange/dedicated_interconnect.cc
index 7658d579..5f89e15b 100644
--- a/fpga_interchange/dedicated_interconnect.cc
+++ b/fpga_interchange/dedicated_interconnect.cc
@@ -457,12 +457,12 @@ void DedicatedInterconnect::explain_bel_status(BelId bel, const CellInfo *cell)
         // Only check sink BELs.
         if (net->driver.cell == cell && net->driver.port == port_name) {
             if (!is_driver_on_net_valid(bel, cell, port_name, net)) {
-                log_info("Driver %s/%s is not valid on net '%s'", cell->name.c_str(ctx), port_name.c_str(ctx),
+                log_info("Driver %s/%s is not valid on net '%s'\n", cell->name.c_str(ctx), port_name.c_str(ctx),
                          net->name.c_str(ctx));
             }
         } else {
             if (!is_sink_on_net_valid(bel, cell, port_name, net)) {
-                log_info("Sink %s/%s is not valid on net '%s'", cell->name.c_str(ctx), port_name.c_str(ctx),
+                log_info("Sink %s/%s is not valid on net '%s'\n", cell->name.c_str(ctx), port_name.c_str(ctx),
                          net->name.c_str(ctx));
             }
         }