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Initial Makefile changes
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abejgonzalez committed Mar 12, 2023
1 parent 4c0314a commit efa6409
Showing 1 changed file with 23 additions and 36 deletions.
59 changes: 23 additions & 36 deletions sims/verilator/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,6 @@ sim_prefix = simulator
sim = $(sim_dir)/$(sim_prefix)-$(MODEL_PACKAGE)-$(CONFIG)
sim_debug = $(sim_dir)/$(sim_prefix)-$(MODEL_PACKAGE)-$(CONFIG)-debug

WAVEFORM_FLAG=-v$(sim_out_name).vcd

include $(base_dir)/sims/common-sim-flags.mk

# If verilator seed unspecified, verilator uses srand as random seed
Expand All @@ -47,23 +45,7 @@ debug: $(sim_debug)
# simulaton requirements
#########################################################################################
SIM_FILE_REQS += \
$(CHIPYARD_RSRCS_DIR)/csrc/emulator.cc \
$(ROCKETCHIP_RSRCS_DIR)/csrc/verilator.h \

# the following files are needed for emulator.cc to compile (even if they aren't part of the RTL build)
SIM_FILE_REQS += \
$(TESTCHIP_RSRCS_DIR)/testchipip/csrc/SimSerial.cc \
$(TESTCHIP_RSRCS_DIR)/testchipip/csrc/testchip_tsi.cc \
$(TESTCHIP_RSRCS_DIR)/testchipip/csrc/testchip_tsi.h \
$(TESTCHIP_RSRCS_DIR)/testchipip/csrc/SimDRAM.cc \
$(TESTCHIP_RSRCS_DIR)/testchipip/csrc/mm.h \
$(TESTCHIP_RSRCS_DIR)/testchipip/csrc/mm.cc \
$(TESTCHIP_RSRCS_DIR)/testchipip/csrc/mm_dramsim2.h \
$(TESTCHIP_RSRCS_DIR)/testchipip/csrc/mm_dramsim2.cc \
$(ROCKETCHIP_RSRCS_DIR)/csrc/SimDTM.cc \
$(ROCKETCHIP_RSRCS_DIR)/csrc/SimJTAG.cc \
$(ROCKETCHIP_RSRCS_DIR)/csrc/remote_bitbang.h \
$(ROCKETCHIP_RSRCS_DIR)/csrc/remote_bitbang.cc
$(ROCKETCHIP_RSRCS_DIR)/vsrc/TestDriver.v

# copy files and add -FI for *.h files in *.f
$(sim_files): $(SIM_FILE_REQS) $(ALL_MODS_FILELIST) | $(GEN_COLLATERAL_DIR)
Expand Down Expand Up @@ -92,7 +74,7 @@ HELP_COMPILATION_VARIABLES += \
#########################################################################################
# verilator/cxx binary and flags
#########################################################################################
VERILATOR := verilator --cc --exe --timing
VERILATOR := verilator --main --timing --cc --exe

#----------------------------------------------------------------------------------------
# user configs
Expand All @@ -107,10 +89,11 @@ RUNTIME_PROFILING_VFLAGS := $(if $(filter $(VERILATOR_PROFILE),all),\
VERILATOR_THREADS ?= 1
RUNTIME_THREADS := --threads $(VERILATOR_THREADS) --threads-dpi all

VERILATOR_FST_MODE ?= 0
VERILATOR_FST_MODE ?= 1
TRACING_OPTS := $(if $(filter $(VERILATOR_FST_MODE),0),\
--trace,--trace-fst --trace-threads 1)
TRACING_CFLAGS := $(if $(filter $(VERILATOR_FST_MODE),0),,-DCY_FST_TRACE)
WAVEFORM_FLAG := +vcdfile=$(sim_out_name).$(if $(filter $(VERILATOR_FST_MODE),0),\
vcd,fst)

#----------------------------------------------------------------------------------------
# verilation configuration/optimization
Expand Down Expand Up @@ -153,9 +136,16 @@ TIMESCALE_OPTS := $(shell verilator --version | perl -lne 'if (/(\d.\d+)/ && $$1
# see: https://github.com/ucb-bar/riscv-mini/issues/31
MAX_WIDTH_OPTS = $(shell verilator --version | perl -lne 'if (/(\d.\d+)/ && $$1 > 4.016) { print "--max-num-width 1048576"; }')

# TODO DEDUP
CLOCK_PERIOD ?= 1.0
RESET_DELAY ?= 777.7

PREPROC_DEFINES := \
+define+PRINTF_COND=\$$c\(\"verbose\",\"\&\&\"\,\"done_reset\"\) \
+define+STOP_COND=\$$c\(\"done_reset\"\)
+define+CLOCK_PERIOD=$(CLOCK_PERIOD) \
+define+RESET_DELAY=$(RESET_DELAY) \
+define+PRINTF_COND=$(TB).printf_cond \
+define+STOP_COND=!$(TB).reset \
+define+MODEL=$(MODEL)

VERILATOR_NONCC_OPTS = \
$(RUNTIME_PROFILING_VFLAGS) \
Expand All @@ -166,7 +156,7 @@ VERILATOR_NONCC_OPTS = \
$(TIMESCALE_OPTS) \
$(MAX_WIDTH_OPTS) \
$(PREPROC_DEFINES) \
--top-module $(VLOG_MODEL) \
--top-module $(TB) \
--vpi \
-f $(sim_common_files)

Expand All @@ -176,12 +166,9 @@ VERILATOR_NONCC_OPTS = \
VERILATOR_CXXFLAGS = \
$(SIM_CXXFLAGS) \
$(RUNTIME_PROFILING_CFLAGS) \
$(TRACING_CFLAGS) \
-D__STDC_FORMAT_MACROS \
-DTEST_HARNESS=V$(VLOG_MODEL) \
-DVERILATOR \
-include $(build_dir)/$(long_name).plusArgs \
-include $(GEN_COLLATERAL_DIR)/verilator.h
-include $(build_dir)/$(long_name).plusArgs

VERILATOR_LDFLAGS = $(SIM_LDFLAGS)

Expand All @@ -200,11 +187,11 @@ VERILATOR_OPTS = $(VERILATOR_CC_OPTS) $(VERILATOR_NONCC_OPTS)
model_dir = $(build_dir)/$(long_name)
model_dir_debug = $(build_dir)/$(long_name).debug

model_header = $(model_dir)/V$(VLOG_MODEL).h
model_header_debug = $(model_dir_debug)/V$(VLOG_MODEL).h
model_header = $(model_dir)/V$(TB).h
model_header_debug = $(model_dir_debug)/V$(TB).h

model_mk = $(model_dir)/V$(VLOG_MODEL).mk
model_mk_debug = $(model_dir_debug)/V$(VLOG_MODEL).mk
model_mk = $(model_dir)/V$(TB).mk
model_mk_debug = $(model_dir_debug)/V$(TB).mk

#########################################################################################
# build makefile fragment that builds the verilator sim rules
Expand All @@ -218,17 +205,17 @@ $(model_mk): $(sim_common_files) $(EXTRA_SIM_REQS)
$(model_mk_debug): $(sim_common_files) $(EXTRA_SIM_REQS)
rm -rf $(model_dir_debug)
mkdir -p $(model_dir_debug)
$(VERILATOR) $(VERILATOR_OPTS) $(EXTRA_SIM_SOURCES) -o $(sim_debug) $(TRACING_OPTS) -Mdir $(model_dir_debug) -CFLAGS "-include $(model_header_debug)"
$(VERILATOR) $(VERILATOR_OPTS) +define+DEBUG $(EXTRA_SIM_SOURCES) -o $(sim_debug) $(TRACING_OPTS) -Mdir $(model_dir_debug) -CFLAGS "-include $(model_header_debug)"
touch $@

#########################################################################################
# invoke make to make verilator sim rules
#########################################################################################
$(sim): $(model_mk) $(dramsim_lib)
$(MAKE) VM_PARALLEL_BUILDS=1 -C $(model_dir) -f V$(VLOG_MODEL).mk
$(MAKE) VM_PARALLEL_BUILDS=1 -C $(model_dir) -f V$(TB).mk

$(sim_debug): $(model_mk_debug) $(dramsim_lib)
$(MAKE) VM_PARALLEL_BUILDS=1 -C $(model_dir_debug) -f V$(VLOG_MODEL).mk
$(MAKE) VM_PARALLEL_BUILDS=1 -C $(model_dir_debug) -f V$(TB).mk

#########################################################################################
# create a verilator vpd rule
Expand Down

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