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-rw-r--r--common/design_utils.cc10
1 files changed, 10 insertions, 0 deletions
diff --git a/common/design_utils.cc b/common/design_utils.cc
index 4d1c9e53..16cc2710 100644
--- a/common/design_utils.cc
+++ b/common/design_utils.cc
@@ -183,4 +183,14 @@ void copy_port(Context *ctx, CellInfo *old_cell, IdString old_name, CellInfo *ne
connect_port(ctx, old_cell->ports.at(old_name).net, new_cell, new_name);
}
+void copy_bus(Context *ctx, CellInfo *old_cell, IdString old_name, int old_offset, bool old_brackets,
+ CellInfo *new_cell, IdString new_name, int new_offset, bool new_brackets, int width)
+{
+ for (int i = 0; i < width; i++) {
+ IdString old_port = ctx->id(stringf(old_brackets ? "%s[%d]" : "%s%d", old_name.c_str(ctx), i + old_offset));
+ IdString new_port = ctx->id(stringf(new_brackets ? "%s[%d]" : "%s%d", new_name.c_str(ctx), i + new_offset));
+ copy_port(ctx, old_cell, old_port, new_cell, new_port);
+ }
+}
+
NEXTPNR_NAMESPACE_END