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update: bump DRAMSys v5.0 → v5.5.0+ and extend simulation for multiple devices #10

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update: bump DRAMSys v5.0 → v5.5.0+ and extend simulation for multiple devices #10

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e0aa094
(dramsys): Update dramsys to v5.5.0
smanoni Jun 25, 2026
04a17b0
(ci): Update ci scripts to properly build new dramsys version
smanoni Jun 25, 2026
f3494db
feat: Add simulation for different types of DRAM devices.
smanoni Jul 7, 2026
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4 changes: 2 additions & 2 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,11 +16,11 @@ jobs:
cd dramsys_lib
git clone https://github.com/tukl-msd/DRAMSys.git
cd DRAMSys
git reset --hard 8e021ea
git reset --hard 1ddfb09ae69dd43306b3da59545a747bced8725c
git apply ../dramsys_lib_patch
- name: Build DRAMSys
run: |
mkdir -p dramsys_lib/DRAMSys/build
cd dramsys_lib/DRAMSys/build
cmake -DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_C_FLAGS=-fPIC -D DRAMSYS_WITH_DRAMPOWER=ON ..
cmake -DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_C_FLAGS=-fPIC -D DRAMSYS_USE_DRAMPOWER=ON ..
make -j
21 changes: 18 additions & 3 deletions Makefile
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Expand Up @@ -6,8 +6,11 @@

BENDER ?= bender
VLOG_ARGS = -svinputport=compat -override_timescale 1ns/1ps -suppress 2583 -suppress 13314
library ?= work
top_level ?= axi_to_dram_tb
# DRAM model for the parametrized testbench, passed as an elaboration generic.
DRAMType ?= DDR4
# DRAM models swept by `make test-all-drams`.
DRAM_TYPES ?= DDR3 DDR4 LPDDR4 HBM2

DRAM_RTL_SIM_ROOT = $(dir $(realpath $(lastword $(MAKEFILE_LIST))))

Expand All @@ -23,11 +26,23 @@ questa_args += +DRAMSYS_RES=$(dramsys_resouces_path)
questa_args += -sv_lib $(dramsys_lib_path)/libsystemc
questa_args += -sv_lib $(dramsys_lib_path)/libDRAMSys_Simulator

check_transcript = grep -qE '^\# Errors: 0, Warnings: 0$$' vsim/transcript || \
{ echo "FAIL: QuestaSim reported errors/warnings, see vsim/transcript"; exit 1; }

all: compile
cd vsim && questa vsim -c $(library).$(top_level) -t 1ps -voptargs=+acc $(questa_args) -do start.tcl
cd vsim && questa vsim -c work.$(top_level) -gDRAMType=$(DRAMType) -t 1ps -voptargs=+acc $(questa_args) -do start.tcl
@$(check_transcript)

gui: compile
cd vsim && questa vsim $(library).$(top_level) -t 1ps -voptargs=+acc $(questa_args) -do start.tcl
cd vsim && questa vsim work.$(top_level) -gDRAMType=$(DRAMType) -t 1ps -voptargs=+acc $(questa_args) -do start.tcl

# Run the parametrized testbench once per DRAM model in $(DRAM_TYPES).
test-all-drams: compile
@for dt in $(DRAM_TYPES); do \
echo "==================== DRAMType=$$dt ===================="; \
( cd vsim && questa vsim -c work.$(top_level) -gDRAMType=$$dt -t 1ps -voptargs=+acc $(questa_args) -do start.tcl ) || exit 1; \
$(check_transcript); \
done

compile: vsim/compile.tcl
echo "exit" >> vsim/compile.tcl
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4 changes: 2 additions & 2 deletions dram_rtl_sim.mk
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Expand Up @@ -16,11 +16,11 @@ dramsys: $(DRAMSYS_BUILD_DIR)/lib/libsystemc.so
$(DRAMSYS_ROOT)/.patched:
rm -rf $(DRAMSYS_ROOT)
git clone https://github.com/tukl-msd/DRAMSys.git $(DRAMSYS_ROOT)
cd $(DRAMSYS_ROOT) && git reset --hard 8e021ea && git apply $(DRAM_RTL_SIM_ROOT)/dramsys_lib/dramsys_lib_patch
cd $(DRAMSYS_ROOT) && git reset --hard 1ddfb09ae69dd43306b3da59545a747bced8725c && git apply $(DRAM_RTL_SIM_ROOT)/dramsys_lib/dramsys_lib_patch
@touch $@

# Build DRAMSys
$(DRAMSYS_BUILD_DIR)/lib/libsystemc.so: $(DRAMSYS_ROOT)/.patched
mkdir -p $(DRAMSYS_BUILD_DIR)
cd $(DRAMSYS_BUILD_DIR) && $(CMAKE) -DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_C_FLAGS=-fPIC -D DRAMSYS_WITH_DRAMPOWER=ON -DENABLE_PTHREADS=ON $(DRAMSYS_ROOT)
cd $(DRAMSYS_BUILD_DIR) && $(CMAKE) -DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_C_FLAGS=-fPIC -D DRAMSYS_USE_DRAMPOWER=ON $(DRAMSYS_ROOT)
$(MAKE) -C $(DRAMSYS_BUILD_DIR)
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