ci: Add vcs to CI

.gitignore

@@ -38,6 +38,17 @@ target/sim/vsim/transcript
 target/sim/vsim/vsim.wlf
 target/sim/vsim/work/
 
+# VCS generated files
+target/sim/vcs/compile.*.sh
+target/sim/vcs/*.log
+target/sim/vcs/AN.DB
+target/sim/vcs/simv*
+target/sim/vcs/csrc
+target/sim/vcs/ucli.key
+target/sim/vcs/work*
+target/sim/vcs/vc_hdrs.h
+
+
 # Xilinx generated files
 target/xilinx/build
 target/xilinx/out

cheshire.mk

@@ -14,7 +14,7 @@ VLOGAN_BIN ?= vlogan
 CXX_PATH := $(shell which $(CXX))
 
 VLOG_ARGS   ?= -suppress 2583 -suppress 13314 -timescale 1ns/1ps
-VLOGAN_ARGS ?= -kdb -assert svaext +v2k -timescale=1ns/1ps
+VLOGAN_ARGS ?= -kdb -nc -assert svaext +v2k -timescale=1ns/1ps
 
 # Define used paths (prefixed to avoid name conflicts)
 CHS_ROOT      ?= $(shell $(BENDER) path cheshire)
@@ -61,7 +61,7 @@ chs-clean-deps:
 ######################
 
 CHS_NONFREE_REMOTE ?= [email protected]:pulp-restricted/cheshire-nonfree.git
-CHS_NONFREE_COMMIT ?= f731b17
+CHS_NONFREE_COMMIT ?= d446ed8
 
 CHS_PHONY += chs-nonfree-init
 chs-nonfree-init:
@@ -167,6 +167,7 @@ $(CHS_ROOT)/target/sim/models/24FC1025.v: $(CHS_ROOT)/Bender.yml | $(CHS_ROOT)/t
 CHS_SIM_ALL += $(CHS_ROOT)/target/sim/models/s25fs512s.v
 CHS_SIM_ALL += $(CHS_ROOT)/target/sim/models/24FC1025.v
 CHS_SIM_ALL += $(CHS_ROOT)/target/sim/vsim/compile.cheshire_soc.tcl
+CHS_SIM_ALL += $(CHS_ROOT)/target/sim/vcs/compile.cheshire_soc.sh
 
 ###########
 # DRAMSys #

target/sim/src/vip_cheshire_soc.sv

@@ -228,7 +228,7 @@ module vip_cheshire_soc import cheshire_pkg::*; #(
   assign jtag.tdo     = jtag_tdo;
 
   initial begin
-    wait_for_reset();
+    wait (!rst_n);
     jtag_dbg.reset_master();
   end
 
@@ -790,7 +790,7 @@ module vip_cheshire_soc import cheshire_pkg::*; #(
   slink_axi_driver_t slink_axi_driver = new (slink_mst_vip_dv);
 
   initial begin
-    wait_for_reset();
+    wait (!rst_n);
     slink_axi_driver.reset_master();
   end
 

target/sim/vcs/start.cheshire_soc.sh

@@ -18,13 +18,12 @@ fi
 [[ -z "${VERDI_VERSION}" ]] && VERDI_VERSION=""
 [[ -z "${VCS_VERSION}" ]]   && VCS_VERSION=""
 [[ -z "${VCS_BIN}" ]]       && VCS_BIN="${VCS_VERSION} vcs"
-[[ -z "${VERDI_HOME}" ]]    && echo "Please set \$VERDI_HOME" && exit 1
-[[ -z "${VCS_HOME}" ]]      && echo "Please set \$VCS_HOME"   && exit 1
 
 flags="-full64 -kdb "
 # Set default to fast simulation flags.
 if [ -z "${VCSARGS}" ]; then
-    flags+="-O2 -debug_access+all "
+    # Use -debug_access+all for waveform debugging
+    flags+="-O2 -debug_access=r -debug_region=1,${TESTBENCH} "
 fi
 
 # flags+="-cpp ${CXX_PATH} "
@@ -48,7 +47,7 @@ if [ -n "${USE_DRAMSYS}" ]; then
     fi
 fi
 
-${VERDI_VERSION} ${VCS_BIN} ${flags} ../src/elfloader.cpp ${TESTBENCH} | tee elaborate.log
+${VCS_BIN} ${flags} ../src/elfloader.cpp ${TESTBENCH} | tee elaborate.log
 
 echo "${VCS_VERSION} ${VERDI_VERSION} ./simv ${pargs}"
-${VCS_VERSION} ${VERDI_VERSION} ./simv ${pargs}
+${VCS_VERSION} ${VERDI_VERSION} ./simv ${pargs} | tee simulate.log