github-mirrors/cvw
1
0
Fork 0
mirror of https://github.com/openhwgroup/cvw.git synced 2025-04-20 03:47:20 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Fixes for synthesis with derived configurations

Browse source
This commit is contained in:
David Harris 2024-04-26 15:58:36 -07:00
parent 4faf44c4c6
commit c7c2e94e26
3 changed files with 11 additions and 73 deletions
Download patch file Download diff file Expand all files Collapse all files

4
config/derivlist.txt
View file

@ -71,7 +71,7 @@ BTB_SIZE 32'd5
# The other syn configurations have the same trimming
deriv syn_rv32i rv32i syn_rv32e
deriv syn_rv32imc rv32imc syn_rv32e
deriv syn_rv32gc syn_rv32e
deriv syn_rv32gc rv32gc syn_rv32e
deriv syn_rv64i rv64i syn_rv32e
deriv syn_rv64gc rv64gc syn_rv32e
@ -84,7 +84,7 @@ USE_SRAM 1
# The other syn configurations have the same trimming
deriv syn_sram_rv32i rv32i syn_sram_rv32e
deriv syn_sram_rv32imc rv32imc syn_sram_rv32e
deriv syn_sram_rv32gc syn_sram_rv32e
deriv syn_sram_rv32gc rv32gc syn_sram_rv32e
deriv syn_sram_rv64i rv64i syn_sram_rv32e
deriv syn_sram_rv64gc rv64gc syn_sram_rv32e

71
synthDC/Makefile
View file

@ -40,80 +40,11 @@ DIRS32 = rv32e rv32gc rv32imc rv32i
DIRS64 = rv64i rv64gc
DIRS = $(DIRS32) $(DIRS64)
# k = 3 6
# bpred:
# @$(foreach kval, $(k), rm -rf $(CONFIGDIR)/rv64gc_bpred_$(kval);)
# @$(foreach kval, $(k), cp -r $(CONFIGDIR)/rv64gc $(CONFIGDIR)/rv64gc_bpred_$(kval);)
# @$(foreach kval, $(k), sed -i 's/BPRED_SIZE.*/BPRED_SIZE $(kval)/g' $(CONFIGDIR)/rv64gc_bpred_$(kval)/config.vh;)
# @$(foreach kval, $(k), make synth DESIGN=wallypipelinedcore CONFIG=rv64gc_bpred_$(kval) TECH=sky90 FREQ=500 MAXCORES=4 --jobs;)
configs: $(CONFIG)
$(CONFIG):
@echo $(CONFIG)
cp -r $(OLDCONFIGDIR)/shared/*.vh $(CONFIGDIR)
# cp -r $(OLDCONFIGDIR)/$(CONFIG)/* $(CONFIGDIR)
cp -r $(OLDCONFIGDIR)/deriv/$(CONFIG)/* $(CONFIGDIR)
# adjust DTIM and IROM to reasonable values depending on config
ifneq ($(filter $(CONFIG), $(DIRS32)),)
sed -i "s/DTIM_RANGE.*/DTIM_RANGE = 34\'h01FF;/g" $(CONFIGDIR)/config.vh
sed -i "s/IROM_RANGE.*/IROM_RANGE = 34\'h01FF;/g" $(CONFIGDIR)/config.vh
else ifneq ($(filter $(CONFIG), $(DIRS64)),)
sed -i "s/DTIM_RANGE.*/DTIM_RANGE = 56\'h01FF;/g" $(CONFIGDIR)/config.vh
sed -i "s/IROM_RANGE.*/IROM_RANGE = 56\'h01FF;/g" $(CONFIGDIR)/config.vh
else
$(info $(CONFIG) does not exist in $(DIRS32) or $(DIRS64))
@echo "Config not in list, RAM_RANGE will be unmodified"
endif
# if USESRAM = 1, set that in the config file, otherwise reduce sizes
ifeq ($(USESRAM), 1)
sed -i 's/USE_SRAM.*/USE_SRAM = 1;/g' $(CONFIGDIR)/config.vh
else
sed -i "s/WAYSIZEINBYTES.*/WAYSIZEINBYTES = 32\'d512;/g" $(CONFIGDIR)/config.vh
sed -i "s/NUMWAYS.*/NUMWAYS =32\'d1;/g" $(CONFIGDIR)/config.vh
sed -i "s/BPRED_SIZE.*/BPRED_SIZE =32\'d5;/g" $(CONFIGDIR)/config.vh
sed -i "s/BTB_SIZE.*/BTB_SIZE = 32\'d5;/g" $(CONFIGDIR)/config.vh
ifneq ($(filter $(CONFIG), $(DIRS32)),)
sed -i "s/BOOTROM_RANGE.*/BOOTROM_RANGE = 34\'h01FF;/g" $(CONFIGDIR)/config.vh
sed -i "s/UNCORE_RAM_RANGE.*/UNCORE_RAM_RANGE = 34\'h01FF;/g" $(CONFIGDIR)/config.vh
else ifneq ($(filter $(CONFIG), $(DIRS64)),)
sed -i "s/BOOTROM_RANGE.*/BOOTROM_RANGE = 56\'h01FF;/g" $(CONFIGDIR)/config.vh
sed -i "s/UNCORE_RAM_RANGE.*/UNCORE_RAM_RANGE = 56\'h01FF;/g" $(CONFIGDIR)/config.vh
endif
endif
# adjust config if synthesizing with any modifications
# This code is subtle with ifneq. It successively turns off a larger
# set of features in order of cycle time limiting.
# When mod = orig, all features are ON
# When mod = PMP0, the number of PMP entries is set to 0
# when mod = noPriv, the privileged unit and PMP are disabled
# when mod = noFPU, the FPU, privileged unit, and PMP are disabled
# when mod = noMulDiv, the MDU, FPU, privileged unit, and PMP are disabled.
# when mod = noAtomic, the Atomic, MDU, FPU, privileged unit, and PMP are disabled
ifneq ($(MOD), orig)
# PMP 0
sed -i 's/PMP_ENTRIES.*\(64\|16\)/PMP_ENTRIES = 0;/' $(CONFIGDIR)/config.vh
ifneq ($(MOD), PMP0)
# no priv
sed -i 's/ZICSR_SUPPORTED.*1/ZICSR_SUPPORTED = 0;/' $(CONFIGDIR)/config.vh
ifneq ($(MOD), noPriv)
# turn off FPU
sed -i 's/1 *<< *3/0 << 3/' $(CONFIGDIR)/config.vh
sed -i 's/1 *<< *5/0 << 5/' $(CONFIGDIR)/config.vh
ifneq ($(MOD), noFPU)
# no muldiv
sed -i 's/1 *<< *12/0 << 12/' $(CONFIGDIR)/config.vh
ifneq ($(MOD), noMulDiv)
# no atomic
sed -i 's/1 *<< *0/0 << 0/' $(CONFIGDIR)/config.vh
endif
endif
endif
endif
endif
cp -rf $(OLDCONFIGDIR)/deriv/$(CONFIG)/config.vh $(CONFIGDIR) | true
ifeq ($(SAIFPOWER), 1)
cp -f ../sim/power.saif .

9
synthDC/wallySynth.py
View file

@ -7,7 +7,14 @@ import argparse
def runSynth(config, mod, tech, freq, maxopt, usesram):
global pool
command = "make synth DESIGN=wallypipelinedcore CONFIG={} MOD={} TECH={} DRIVE=FLOP FREQ={} MAXOPT={} USESRAM={} MAXCORES=1".format(config, mod, tech, freq, maxopt, usesram)
if (usesram):
prefix = "syn_sram_"
else:
prefix = "syn_"
if (mod != "orig"):
prefix = prefix+mod+"_"
cfg = prefix + config
command = "make synth DESIGN=wallypipelinedcore CONFIG={} MOD={} TECH={} DRIVE=FLOP FREQ={} MAXOPT={} USESRAM={} MAXCORES=1".format(cfg, mod, tech, freq, maxopt, usesram)
pool.map(mask, [command])
def mask(command):