ifp: Add test for multiple power domains and double height sites.

Signed-off-by: Christian COSTA <[email protected]>

Author: titan73

src/ifp/test/BUILD

@@ -18,6 +18,7 @@ COMPULSORY_TESTS = [
     "init_floorplan8",
     "init_floorplan9",
     "init_floorplan10",
+    "init_floorplan_dbl_row",
     "init_floorplan_even_rows",
     "init_floorplan_flip_sites",
     "init_floorplan_odd_rows",

src/ifp/test/CMakeLists.txt

@@ -13,6 +13,7 @@ or_integration_tests(
     init_floorplan8
     init_floorplan9
     init_floorplan10
+    init_floorplan_dbl_row
     init_floorplan_even_rows
     init_floorplan_flip_sites
     init_floorplan_odd_rows

src/ifp/test/init_floorplan_dbl_row.defok

@@ -0,0 +1,15 @@
+VERSION 5.6 ;
+BUSBITCHARS "[]" ;
+DIVIDERCHAR "/" ;
+
+UNITS
+  DATABASE MICRONS 2000 ;
+END UNITS
+
+MANUFACTURINGGRID 0.0050 ;
+
+SITE FreePDK45_38x28_10R_NP_162NW_34O_DoubleHeight
+  SYMMETRY y ;
+  CLASS core ;
+  SIZE 0.19 BY 2.8 ;
+END FreePDK45_38x28_10R_NP_162NW_34O_DoubleHeight

src/ifp/test/init_floorplan_dbl_row.lef

@@ -0,0 +1,5 @@
+[INFO ODB-0227] LEF file: Nangate45/Nangate45.lef, created 22 layers, 27 vias, 135 library cells
+[INFO ODB-0227] LEF file: init_floorplan_dbl_row.lef
+[INFO IFP-0001] Added 71 rows of 526 site FreePDK45_38x28_10R_NP_162NW_34O.
+[INFO IFP-0001] Added 35 rows of 526 site FreePDK45_38x28_10R_NP_162NW_34O_DoubleHeight.
+No differences found.

src/ifp/test/init_floorplan_dbl_row.ok

@@ -0,0 +1,30 @@
+from openroad import Tech, Design
+import odb
+import helpers
+import ifp_helpers as ifph
+
+tech = Tech()
+tech.readLef("Nangate45/Nangate45.lef")
+tech.readLef("init_floorplan_dbl_row.lef")
+tech.readLiberty("Nangate45/Nangate45_typ.lib")
+
+design = Design(tech)
+design.readVerilog("reg1.v")
+design.link("top")
+
+die = helpers.make_rect(design, 0, 0, 100, 100)
+core = helpers.make_rect(design, 0, 0, 100, 100)
+
+l = design.micronToDBU(34)
+u = design.micronToDBU(66)
+
+ifph.create_voltage_domain(design, "TEMP_ANALOG", (l, l, u, u))
+
+floorplan = design.getFloorplan()
+site = floorplan.findSite("FreePDK45_38x28_10R_NP_162NW_34O")
+additional_site = floorplan.findSite("FreePDK45_38x28_10R_NP_162NW_34O_DoubleHeight")
+floorplan.initFloorplan(die, core, site, [additional_site])
+
+def_file = helpers.make_result_file("init_floorplan_dbl_row.def")
+design.writeDef(def_file)
+helpers.diff_files("init_floorplan_dbl_row.defok", def_file)

src/ifp/test/init_floorplan_dbl_row.py

@@ -0,0 +1,16 @@
+# init_floorplan called after a voltage domain is specified
+source "helpers.tcl"
+read_lef Nangate45/Nangate45.lef
+read_lef init_floorplan_dbl_row.lef
+read_liberty Nangate45/Nangate45_typ.lib
+read_verilog reg1.v
+link_design top
+create_voltage_domain TEMP_ANALOG -area {34 34 66 66}
+initialize_floorplan -die_area {0 0 100 100} \
+  -core_area {0 0 100 100} \
+  -site FreePDK45_38x28_10R_NP_162NW_34O \
+  -additional_sites FreePDK45_38x28_10R_NP_162NW_34O_DoubleHeight
+
+set def_file [make_result_file init_floorplan_dbl_row.def]
+write_def $def_file
+diff_files init_floorplan_dbl_row.defok $def_file