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OpenRAM
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Use Caravel-like sky130 install path with ngspice models.

This commit is contained in:
mrg 2021-11-17 13:19:23 -08:00
parent edf3a701e4
commit f764ac446c
2 changed files with 3 additions and 3 deletions
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2
macros/Makefile
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@ -4,7 +4,7 @@ include $(TOP_DIR)/openram.mk
.DEFAULT_GOAL := all .DEFAULT_GOAL := all
SKY130_PDK ?= $(PDK_ROOT)/share/pdk/sky130A SKY130_PDK ?= $(PDK_ROOT)/sky130A
OPENRAM_OPTS := $(OPENRAM_OPTS) OPENRAM_OPTS := $(OPENRAM_OPTS)
# Define `OPENRAM_FULL` in your environment to run a full characterize # Define `OPENRAM_FULL` in your environment to run a full characterize

4
technology/sky130/__init__.py
View File

@ -25,9 +25,9 @@ if 'PDK_ROOT' in os.environ:
else: else:
raise SystemError("Unable to find open_pdks tech file. Set PDK_ROOT.") raise SystemError("Unable to find open_pdks tech file. Set PDK_ROOT.")
spice_model_dir = os.path.join(open_pdks, "SIMULATOR",) # The ngspice models work with Xyce too now
spice_model_dir = os.path.join(open_pdks, "ngspice")
sky130_lib_ngspice = os.path.join(open_pdks, "ngspice", "sky130.lib.spice") sky130_lib_ngspice = os.path.join(open_pdks, "ngspice", "sky130.lib.spice")
# We may end up using Xyce but check if at least ngspice exists
if not os.path.exists(sky130_lib_ngspice): if not os.path.exists(sky130_lib_ngspice):
raise SystemError("Did not find {} under {}".format(sky130_lib_ngspice, open_pdks)) raise SystemError("Did not find {} under {}".format(sky130_lib_ngspice, open_pdks))
os.environ["SPICE_MODEL_DIR"] = spice_model_dir os.environ["SPICE_MODEL_DIR"] = spice_model_dir