Add support for sky130_fd_sc_hs stdcell library

Author: rohanku

pdks/sky130_common_pdk/src/stdcells.rs

@@ -4,59 +4,62 @@ use crate::Sky130Pdk;
 
 impl Sky130Pdk {
     pub fn std_cells(&self) -> substrate::error::Result<StdCellDb> {
-        let lib = "sky130_fd_sc_hd";
-        let mut hd = StdCellLibData::new(lib);
-        let cells = vec![
-            ("and2", Function::And2, vec![0, 1, 2, 4]),
-            ("and3", Function::And3, vec![1, 2, 4]),
-            ("buf", Function::Buf, vec![1, 2, 4, 6, 8, 12, 16]),
-            ("bufbuf", Function::Buf, vec![8, 16]),
-            ("inv", Function::Inv, vec![1, 2, 4, 6, 8]),
-            ("tap", Function::Tap, vec![1, 2]),
-            ("mux2", Function::Mux2, vec![1, 2, 4, 8]),
-            ("mux4", Function::Mux4, vec![1, 2, 4]),
-            ("nand2", Function::Nand2, vec![1, 2, 4, 8]),
-            ("nand3", Function::Nand3, vec![1, 2, 4]),
-            ("nor2", Function::Nor2, vec![1, 2, 4, 8]),
-            ("nor3", Function::Nor3, vec![1, 2, 4]),
-            ("or2", Function::Or2, vec![0, 1, 2, 4]),
-            ("or3", Function::Or3, vec![1, 2, 4]),
-            ("xnor2", Function::Xnor2, vec![1, 2, 4]),
-            ("xnor3", Function::Xnor3, vec![1, 2, 4]),
-            ("xor2", Function::Xor2, vec![1, 2, 4]),
-            ("xor3", Function::Xor3, vec![1, 2, 4]),
-            ("diode", Function::Other("diode".to_string()), vec![2]),
-            (
-                "dfxtp",
-                Function::Other("pos_ff".to_string()),
-                vec![1, 2, 4],
-            ),
-            (
-                "dfrtp",
-                Function::Other("pos_ff".to_string()),
-                vec![1, 2, 4],
-            ),
-        ];
-        for (name, function, strengths) in cells {
-            for strength in strengths {
-                let cell = StdCellData::builder()
-                    .name(arcstr::format!("{lib}__{name}_{strength}"))
-                    .layout_source(self.pdk_root.join(format!(
-                        "libraries/{lib}/latest/cells/{name}/{lib}__{name}_{strength}.gds"
-                    )))
-                    .schematic_source(self.pdk_root.join(format!(
-                        "libraries/{lib}/latest/cells/{name}/{lib}__{name}_{strength}.spice"
-                    )))
-                    .function(function.clone())
-                    .strength(strength)
-                    .build()
-                    .unwrap();
-                hd.add_cell(cell);
+        let mut db = StdCellDb::new();
+        for lib in ["sky130_fd_sc_hd", "sky130_fd_sc_hs"] {
+            let mut hd = StdCellLibData::new(lib);
+            let cells = vec![
+                ("and2", Function::And2, vec![0, 1, 2, 4]),
+                ("and3", Function::And3, vec![1, 2, 4]),
+                ("buf", Function::Buf, vec![1, 2, 4, 6, 8, 12, 16]),
+                ("bufbuf", Function::Buf, vec![8, 16]),
+                ("inv", Function::Inv, vec![1, 2, 4, 6, 8, 16]),
+                ("tap", Function::Tap, vec![1, 2]),
+                ("mux2", Function::Mux2, vec![1, 2, 4, 8]),
+                ("mux4", Function::Mux4, vec![1, 2, 4]),
+                ("nand2", Function::Nand2, vec![1, 2, 4, 8]),
+                ("nand3", Function::Nand3, vec![1, 2, 4]),
+                ("nor2", Function::Nor2, vec![1, 2, 4, 8]),
+                ("nor3", Function::Nor3, vec![1, 2, 4]),
+                ("or2", Function::Or2, vec![0, 1, 2, 4]),
+                ("or3", Function::Or3, vec![1, 2, 4]),
+                ("xnor2", Function::Xnor2, vec![1, 2, 4]),
+                ("xnor3", Function::Xnor3, vec![1, 2, 4]),
+                ("xor2", Function::Xor2, vec![1, 2, 4]),
+                ("xor3", Function::Xor3, vec![1, 2, 4]),
+                ("diode", Function::Other("diode".to_string()), vec![2]),
+                (
+                    "dfxtp",
+                    Function::Other("pos_ff".to_string()),
+                    vec![1, 2, 4],
+                ),
+                (
+                    "dfrtp",
+                    Function::Other("pos_ff".to_string()),
+                    vec![1, 2, 4],
+                ),
+            ];
+            for (name, function, strengths) in cells {
+                for strength in strengths {
+                    let cell = StdCellData::builder()
+                        .name(arcstr::format!("{lib}__{name}_{strength}"))
+                        .layout_source(self.pdk_root.join(format!(
+                            "libraries/{lib}/latest/cells/{name}/{lib}__{name}_{strength}.gds"
+                        )))
+                        .schematic_source(self.pdk_root.join(format!(
+                            "libraries/{lib}/latest/cells/{name}/{lib}__{name}_{strength}.spice"
+                        )))
+                        .function(function.clone())
+                        .strength(strength)
+                        .build()
+                        .unwrap();
+                    hd.add_cell(cell);
+                }
+            }
+            let key = db.add_lib(hd);
+            if lib == "sky130_fd_sc_hd" {
+                db.set_default_lib(key);
             }
         }
-        let mut db = StdCellDb::new();
-        let key = db.add_lib(hd);
-        db.set_default_lib(key);
         Ok(db)
     }
 }