def __init__(
self,
data_width=16, # CGRA Params
mem_width=16,
mem_depth=256,
banks=1,
input_iterator_support=6, # Addr Controllers
output_iterator_support=6,
input_config_width=16,
output_config_width=16,
interconnect_input_ports=1, # Connection to int
interconnect_output_ports=1,
mem_input_ports=1,
mem_output_ports=1,
use_sram_stub=True,
sram_macro_info=SRAMMacroInfo(),
read_delay=1, # Cycle delay in read (SRAM vs Register File)
rw_same_cycle=True, # Does the memory allow r+w in same cycle?
agg_height=4,
tb_sched_max=16,
config_data_width=32,
config_addr_width=8,
num_tiles=1,
remove_tb=False,
fifo_mode=False,
add_clk_enable=True,
add_flush=True,
override_name=None):
# name
if override_name:
self.__name = override_name + "Core"
lake_name = override_name
else:
self.__name = "MemCore"
lake_name = "LakeTop"
super().__init__(config_addr_width, config_data_width)
# Capture everything to the tile object
self.data_width = data_width
self.mem_width = mem_width
self.mem_depth = mem_depth
self.banks = banks
self.fw_int = int(self.mem_width / self.data_width)
self.input_iterator_support = input_iterator_support
self.output_iterator_support = output_iterator_support
self.input_config_width = input_config_width
self.output_config_width = output_config_width
self.interconnect_input_ports = interconnect_input_ports
self.interconnect_output_ports = interconnect_output_ports
self.mem_input_ports = mem_input_ports
self.mem_output_ports = mem_output_ports
self.use_sram_stub = use_sram_stub
self.sram_macro_info = sram_macro_info
self.read_delay = read_delay
self.rw_same_cycle = rw_same_cycle
self.agg_height = agg_height
self.config_data_width = config_data_width
self.config_addr_width = config_addr_width
self.num_tiles = num_tiles
self.remove_tb = remove_tb
self.fifo_mode = fifo_mode
self.add_clk_enable = add_clk_enable
self.add_flush = add_flush
# self.app_ctrl_depth_width = app_ctrl_depth_width
# self.stcl_valid_iter = stcl_valid_iter
# Typedefs for ease
TData = magma.Bits[self.data_width]
TBit = magma.Bits[1]
self.__inputs = []
self.__outputs = []
# cache_key = (self.data_width, self.mem_width, self.mem_depth, self.banks,
# self.input_iterator_support, self.output_iterator_support,
# self.interconnect_input_ports, self.interconnect_output_ports,
# self.use_sram_stub, self.sram_macro_info, self.read_delay,
# self.rw_same_cycle, self.agg_height, self.max_agg_schedule,
# self.input_max_port_sched, self.output_max_port_sched,
# self.align_input, self.max_line_length, self.max_tb_height,
# self.tb_range_max, self.tb_sched_max, self.max_tb_stride,
# self.num_tb, self.tb_iterator_support, self.multiwrite,
# self.max_prefetch, self.config_data_width, self.config_addr_width,
# self.num_tiles, self.remove_tb, self.fifo_mode, self.stcl_valid_iter,
# self.add_clk_enable, self.add_flush, self.app_ctrl_depth_width)
cache_key = (self.data_width, self.mem_width, self.mem_depth,
self.banks, self.input_iterator_support,
self.output_iterator_support,
self.interconnect_input_ports,
self.interconnect_output_ports, self.use_sram_stub,
self.sram_macro_info, self.read_delay, self.rw_same_cycle,
self.agg_height, self.config_data_width,
self.config_addr_width, self.num_tiles, self.remove_tb,
self.fifo_mode, self.add_clk_enable, self.add_flush)
# Check for circuit caching
if cache_key not in MemCore.__circuit_cache:
# Instantiate core object here - will only use the object representation to
# query for information. The circuit representation will be cached and retrieved
# in the following steps.
# lt_dut = LakeTop(data_width=self.data_width,
# mem_width=self.mem_width,
# mem_depth=self.mem_depth,
# banks=self.banks,
# input_iterator_support=self.input_iterator_support,
# output_iterator_support=self.output_iterator_support,
# input_config_width=self.input_config_width,
# output_config_width=self.output_config_width,
# interconnect_input_ports=self.interconnect_input_ports,
# interconnect_output_ports=self.interconnect_output_ports,
# use_sram_stub=self.use_sram_stub,
# sram_macro_info=self.sram_macro_info,
# read_delay=self.read_delay,
# rw_same_cycle=self.rw_same_cycle,
# agg_height=self.agg_height,
# max_agg_schedule=self.max_agg_schedule,
# input_max_port_sched=self.input_max_port_sched,
# output_max_port_sched=self.output_max_port_sched,
# align_input=self.align_input,
# max_line_length=self.max_line_length,
# max_tb_height=self.max_tb_height,
# tb_range_max=self.tb_range_max,
# tb_range_inner_max=self.tb_range_inner_max,
# tb_sched_max=self.tb_sched_max,
# max_tb_stride=self.max_tb_stride,
# num_tb=self.num_tb,
# tb_iterator_support=self.tb_iterator_support,
# multiwrite=self.multiwrite,
# max_prefetch=self.max_prefetch,
# config_data_width=self.config_data_width,
# config_addr_width=self.config_addr_width,
# num_tiles=self.num_tiles,
# app_ctrl_depth_width=self.app_ctrl_depth_width,
# remove_tb=self.remove_tb,
# fifo_mode=self.fifo_mode,
# add_clk_enable=self.add_clk_enable,
# add_flush=self.add_flush,
# stcl_valid_iter=self.stcl_valid_iter)
lt_dut = LakeTop(
data_width=self.data_width,
mem_width=self.mem_width,
mem_depth=self.mem_depth,
banks=self.banks,
input_iterator_support=self.input_iterator_support,
output_iterator_support=self.output_iterator_support,
input_config_width=self.input_config_width,
output_config_width=self.output_config_width,
interconnect_input_ports=self.interconnect_input_ports,
interconnect_output_ports=self.interconnect_output_ports,
use_sram_stub=self.use_sram_stub,
sram_macro_info=self.sram_macro_info,
read_delay=self.read_delay,
rw_same_cycle=self.rw_same_cycle,
agg_height=self.agg_height,
config_data_width=self.config_data_width,
config_addr_width=self.config_addr_width,
num_tiles=self.num_tiles,
remove_tb=self.remove_tb,
fifo_mode=self.fifo_mode,
add_clk_enable=self.add_clk_enable,
add_flush=self.add_flush,
name=lake_name,
gen_addr=False)
change_sram_port_pass = change_sram_port_names(
use_sram_stub, sram_macro_info)
circ = kts.util.to_magma(
lt_dut,
flatten_array=True,
check_multiple_driver=False,
optimize_if=False,
check_flip_flop_always_ff=False,
additional_passes={"change_sram_port": change_sram_port_pass})
MemCore.__circuit_cache[cache_key] = (circ, lt_dut)
else:
circ, lt_dut = MemCore.__circuit_cache[cache_key]
# Save as underlying circuit object
self.underlying = FromMagma(circ)
# Enumerate input and output ports
# (clk and reset are assumed)
core_interface = get_interface(lt_dut)
cfgs = extract_top_config(lt_dut)
assert len(cfgs) > 0, "No configs?"
# We basically add in the configuration bus differently
# than the other ports...
skip_names = [
"config_data_in", "config_write", "config_addr_in",
"config_data_out", "config_read", "config_en", "clk_en"
]
# Create a list of signals that will be able to be
# hardwired to a constant at runtime...
control_signals = []
# The rest of the signals to wire to the underlying representation...
other_signals = []
# for port_name, port_size, port_width, is_ctrl, port_dir, explicit_array in core_interface:
for io_info in core_interface:
if io_info.port_name in skip_names:
continue
ind_ports = io_info.port_width
intf_type = TBit
# For our purposes, an explicit array means the inner data HAS to be 16 bits
if io_info.expl_arr:
ind_ports = io_info.port_size[0]
intf_type = TData
dir_type = magma.In
app_list = self.__inputs
if io_info.port_dir == "PortDirection.Out":
dir_type = magma.Out
app_list = self.__outputs
if ind_ports > 1:
for i in range(ind_ports):
self.add_port(f"{io_info.port_name}_{i}",
dir_type(intf_type))
app_list.append(self.ports[f"{io_info.port_name}_{i}"])
else:
self.add_port(io_info.port_name, dir_type(intf_type))
app_list.append(self.ports[io_info.port_name])
# classify each signal for wiring to underlying representation...
if io_info.is_ctrl:
control_signals.append((io_info.port_name, io_info.port_width))
else:
if ind_ports > 1:
for i in range(ind_ports):
other_signals.append(
(f"{io_info.port_name}_{i}", io_info.port_dir,
io_info.expl_arr, i, io_info.port_name))
else:
other_signals.append(
(io_info.port_name, io_info.port_dir, io_info.expl_arr,
0, io_info.port_name))
assert (len(self.__outputs) > 0)
# We call clk_en stall at this level for legacy reasons????
self.add_ports(stall=magma.In(TBit), )
self.chain_idx_bits = max(1, kts.clog2(self.num_tiles))
# put a 1-bit register and a mux to select the control signals
for control_signal, width in control_signals:
if width == 1:
mux = MuxWrapper(2, 1, name=f"{control_signal}_sel")
reg_value_name = f"{control_signal}_reg_value"
reg_sel_name = f"{control_signal}_reg_sel"
self.add_config(reg_value_name, 1)
self.add_config(reg_sel_name, 1)
self.wire(mux.ports.I[0], self.ports[control_signal])
self.wire(mux.ports.I[1],
self.registers[reg_value_name].ports.O)
self.wire(mux.ports.S, self.registers[reg_sel_name].ports.O)
# 0 is the default wire, which takes from the routing network
self.wire(mux.ports.O[0],
self.underlying.ports[control_signal][0])
else:
for i in range(width):
mux = MuxWrapper(2, 1, name=f"{control_signal}_{i}_sel")
reg_value_name = f"{control_signal}_{i}_reg_value"
reg_sel_name = f"{control_signal}_{i}_reg_sel"
self.add_config(reg_value_name, 1)
self.add_config(reg_sel_name, 1)
self.wire(mux.ports.I[0],
self.ports[f"{control_signal}_{i}"])
self.wire(mux.ports.I[1],
self.registers[reg_value_name].ports.O)
self.wire(mux.ports.S,
self.registers[reg_sel_name].ports.O)
# 0 is the default wire, which takes from the routing network
self.wire(mux.ports.O[0],
self.underlying.ports[control_signal][i])
# Wire the other signals up...
for pname, pdir, expl_arr, ind, uname in other_signals:
# If we are in an explicit array moment, use the given wire name...
if expl_arr is False:
# And if not, use the index
self.wire(self.ports[pname][0],
self.underlying.ports[uname][ind])
else:
self.wire(self.ports[pname], self.underlying.ports[pname])
# CLK, RESET, and STALL PER STANDARD PROCEDURE
# Need to invert this
self.resetInverter = FromMagma(mantle.DefineInvert(1))
self.wire(self.resetInverter.ports.I[0], self.ports.reset)
self.wire(self.resetInverter.ports.O[0], self.underlying.ports.rst_n)
self.wire(self.ports.clk, self.underlying.ports.clk)
# Mem core uses clk_en (essentially active low stall)
self.stallInverter = FromMagma(mantle.DefineInvert(1))
self.wire(self.stallInverter.ports.I, self.ports.stall)
self.wire(self.stallInverter.ports.O[0],
self.underlying.ports.clk_en[0])
# we have six? features in total
# 0: TILE
# 1: TILE
# 1-4: SMEM
# Feature 0: Tile
self.__features: List[CoreFeature] = [self]
# Features 1-4: SRAM
self.num_sram_features = lt_dut.total_sets
for sram_index in range(self.num_sram_features):
core_feature = CoreFeature(self, sram_index + 1)
self.__features.append(core_feature)
# Wire the config
for idx, core_feature in enumerate(self.__features):
if (idx > 0):
self.add_port(
f"config_{idx}",
magma.In(
ConfigurationType(self.config_addr_width,
self.config_data_width)))
# port aliasing
core_feature.ports["config"] = self.ports[f"config_{idx}"]
self.add_port(
"config",
magma.In(
ConfigurationType(self.config_addr_width,
self.config_data_width)))
# or the signal up
t = ConfigurationType(self.config_addr_width, self.config_data_width)
t_names = ["config_addr", "config_data"]
or_gates = {}
for t_name in t_names:
port_type = t[t_name]
or_gate = FromMagma(
mantle.DefineOr(len(self.__features), len(port_type)))
or_gate.instance_name = f"OR_{t_name}_FEATURE"
for idx, core_feature in enumerate(self.__features):
self.wire(or_gate.ports[f"I{idx}"],
core_feature.ports.config[t_name])
or_gates[t_name] = or_gate
self.wire(
or_gates["config_addr"].ports.O,
self.underlying.ports.config_addr_in[0:self.config_addr_width])
self.wire(or_gates["config_data"].ports.O,
self.underlying.ports.config_data_in)
# read data out
for idx, core_feature in enumerate(self.__features):
if (idx > 0):
# self.add_port(f"read_config_data_{idx}",
self.add_port(f"read_config_data_{idx}",
magma.Out(magma.Bits[self.config_data_width]))
# port aliasing
core_feature.ports["read_config_data"] = \
self.ports[f"read_config_data_{idx}"]
# MEM Config
configurations = []
# merged_configs = []
skip_cfgs = []
for cfg_info in cfgs:
if cfg_info.port_name in skip_cfgs:
continue
if cfg_info.expl_arr:
if cfg_info.port_size[0] > 1:
for i in range(cfg_info.port_size[0]):
configurations.append(
(f"{cfg_info.port_name}_{i}", cfg_info.port_width))
else:
configurations.append(
(cfg_info.port_name, cfg_info.port_width))
else:
configurations.append(
(cfg_info.port_name, cfg_info.port_width))
# Do all the stuff for the main config
main_feature = self.__features[0]
for config_reg_name, width in configurations:
main_feature.add_config(config_reg_name, width)
if (width == 1):
self.wire(main_feature.registers[config_reg_name].ports.O[0],
self.underlying.ports[config_reg_name][0])
else:
self.wire(main_feature.registers[config_reg_name].ports.O,
self.underlying.ports[config_reg_name])
# SRAM
# These should also account for num features
# or_all_cfg_rd = FromMagma(mantle.DefineOr(4, 1))
or_all_cfg_rd = FromMagma(mantle.DefineOr(self.num_sram_features, 1))
or_all_cfg_rd.instance_name = f"OR_CONFIG_WR_SRAM"
or_all_cfg_wr = FromMagma(mantle.DefineOr(self.num_sram_features, 1))
or_all_cfg_wr.instance_name = f"OR_CONFIG_RD_SRAM"
for sram_index in range(self.num_sram_features):
core_feature = self.__features[sram_index + 1]
self.add_port(f"config_en_{sram_index}", magma.In(magma.Bit))
# port aliasing
core_feature.ports["config_en"] = \
self.ports[f"config_en_{sram_index}"]
# Sort of a temp hack - the name is just config_data_out
if self.num_sram_features == 1:
self.wire(core_feature.ports.read_config_data,
self.underlying.ports["config_data_out"])
else:
self.wire(
core_feature.ports.read_config_data,
self.underlying.ports[f"config_data_out_{sram_index}"])
# also need to wire the sram signal
# the config enable is the OR of the rd+wr
or_gate_en = FromMagma(mantle.DefineOr(2, 1))
or_gate_en.instance_name = f"OR_CONFIG_EN_SRAM_{sram_index}"
self.wire(or_gate_en.ports.I0, core_feature.ports.config.write)
self.wire(or_gate_en.ports.I1, core_feature.ports.config.read)
self.wire(core_feature.ports.config_en,
self.underlying.ports["config_en"][sram_index])
# Still connect to the OR of all the config rd/wr
self.wire(core_feature.ports.config.write,
or_all_cfg_wr.ports[f"I{sram_index}"])
self.wire(core_feature.ports.config.read,
or_all_cfg_rd.ports[f"I{sram_index}"])
self.wire(or_all_cfg_rd.ports.O[0],
self.underlying.ports.config_read[0])
self.wire(or_all_cfg_wr.ports.O[0],
self.underlying.ports.config_write[0])
self._setup_config()
conf_names = list(self.registers.keys())
conf_names.sort()
with open("mem_cfg.txt", "w+") as cfg_dump:
for idx, reg in enumerate(conf_names):
write_line = f"(\"{reg}\", 0), # {self.registers[reg].width}\n"
cfg_dump.write(write_line)
with open("mem_synth.txt", "w+") as cfg_dump:
for idx, reg in enumerate(conf_names):
write_line = f"{reg}\n"
cfg_dump.write(write_line)
def wrap_lake_core(self):
# Typedefs for ease
if self.data_width:
TData = magma.Bits[self.data_width]
else:
TData = magma.Bits[
16] # This shouldn't be used if the data_width was None
TBit = magma.Bits[1]
# Enumerate input and output ports
# (clk and reset are assumed)
core_interface = get_interface(self.dut)
cfgs = extract_top_config(self.dut)
assert len(cfgs) > 0, "No configs?"
# We basically add in the configuration bus differently
# than the other ports...
skip_names = [
"config_data_in", "config_write", "config_addr_in",
"config_data_out", "config_read", "config_en", "clk_en"
]
# Create a list of signals that will be able to be
# hardwired to a constant at runtime...
control_signals = []
# The rest of the signals to wire to the underlying representation...
other_signals = []
# for port_name, port_size, port_width, is_ctrl, port_dir, explicit_array in core_interface:
for io_info in core_interface:
if io_info.port_name in skip_names:
continue
ind_ports = io_info.port_width
intf_type = TBit
# For our purposes, an explicit array means the inner data HAS to be 16 bits
if io_info.expl_arr:
ind_ports = io_info.port_size[0]
intf_type = TData
dir_type = magma.In
app_list = self.__inputs
if io_info.port_dir == "PortDirection.Out":
dir_type = magma.Out
app_list = self.__outputs
if ind_ports > 1:
for i in range(ind_ports):
self.add_port(f"{io_info.port_name}_{i}",
dir_type(intf_type))
app_list.append(self.ports[f"{io_info.port_name}_{i}"])
else:
self.add_port(io_info.port_name, dir_type(intf_type))
app_list.append(self.ports[io_info.port_name])
# classify each signal for wiring to underlying representation...
if io_info.is_ctrl:
control_signals.append((io_info.port_name, io_info.port_width))
else:
if ind_ports > 1:
for i in range(ind_ports):
other_signals.append(
(f"{io_info.port_name}_{i}", io_info.port_dir,
io_info.expl_arr, i, io_info.port_name))
else:
other_signals.append(
(io_info.port_name, io_info.port_dir, io_info.expl_arr,
0, io_info.port_name))
assert (len(self.__outputs) > 0)
# We call clk_en stall at this level for legacy reasons????
self.add_ports(stall=magma.In(TBit), )
# put a 1-bit register and a mux to select the control signals
for control_signal, width in control_signals:
if width == 1:
mux = MuxWrapper(2, 1, name=f"{control_signal}_sel")
reg_value_name = f"{control_signal}_reg_value"
reg_sel_name = f"{control_signal}_reg_sel"
self.add_config(reg_value_name, 1)
self.add_config(reg_sel_name, 1)
self.wire(mux.ports.I[0], self.ports[control_signal])
self.wire(mux.ports.I[1],
self.registers[reg_value_name].ports.O)
self.wire(mux.ports.S, self.registers[reg_sel_name].ports.O)
# 0 is the default wire, which takes from the routing network
self.wire(mux.ports.O[0],
self.underlying.ports[control_signal][0])
else:
for i in range(width):
mux = MuxWrapper(2, 1, name=f"{control_signal}_{i}_sel")
reg_value_name = f"{control_signal}_{i}_reg_value"
reg_sel_name = f"{control_signal}_{i}_reg_sel"
self.add_config(reg_value_name, 1)
self.add_config(reg_sel_name, 1)
self.wire(mux.ports.I[0],
self.ports[f"{control_signal}_{i}"])
self.wire(mux.ports.I[1],
self.registers[reg_value_name].ports.O)
self.wire(mux.ports.S,
self.registers[reg_sel_name].ports.O)
# 0 is the default wire, which takes from the routing network
self.wire(mux.ports.O[0],
self.underlying.ports[control_signal][i])
# Wire the other signals up...
for pname, pdir, expl_arr, ind, uname in other_signals:
# If we are in an explicit array moment, use the given wire name...
if expl_arr is False:
# And if not, use the index
self.wire(self.ports[pname][0],
self.underlying.ports[uname][ind])
else:
self.wire(self.ports[pname], self.underlying.ports[pname])
# CLK, RESET, and STALL PER STANDARD PROCEDURE
# Need to invert this
self.resetInverter = FromMagma(mantle.DefineInvert(1))
self.wire(self.resetInverter.ports.I[0], self.ports.reset)
self.wire(
self.convert(self.resetInverter.ports.O[0], magma.asyncreset),
self.underlying.ports.rst_n)
self.wire(self.ports.clk, self.underlying.ports.clk)
# Mem core uses clk_en (essentially active low stall)
self.stallInverter = FromMagma(mantle.DefineInvert(1))
self.wire(self.stallInverter.ports.I, self.ports.stall)
self.wire(self.stallInverter.ports.O[0],
self.underlying.ports.clk_en[0])
# we have six? features in total
# 0: TILE
# 1: TILE
# 1-4: SMEM
# Feature 0: Tile
self.__features: List[CoreFeature] = [self]
# Features 1-4: SRAM
self.num_sram_features = self.dut.total_sets
for sram_index in range(self.num_sram_features):
core_feature = CoreFeature(self, sram_index + 1)
core_feature.skip_compression = True
self.__features.append(core_feature)
# Wire the config
for idx, core_feature in enumerate(self.__features):
if (idx > 0):
self.add_port(
f"config_{idx}",
magma.In(
ConfigurationType(self.config_addr_width,
self.config_data_width)))
# port aliasing
core_feature.ports["config"] = self.ports[f"config_{idx}"]
self.add_port(
"config",
magma.In(
ConfigurationType(self.config_addr_width,
self.config_data_width)))
if self.num_sram_features > 0:
# or the signal up
t = ConfigurationType(self.config_addr_width,
self.config_data_width)
t_names = ["config_addr", "config_data"]
or_gates = {}
for t_name in t_names:
port_type = t[t_name]
or_gate = FromMagma(
mantle.DefineOr(len(self.__features), len(port_type)))
or_gate.instance_name = f"OR_{t_name}_FEATURE"
for idx, core_feature in enumerate(self.__features):
self.wire(or_gate.ports[f"I{idx}"],
core_feature.ports.config[t_name])
or_gates[t_name] = or_gate
self.wire(
or_gates["config_addr"].ports.O,
self.underlying.ports.config_addr_in[0:self.config_addr_width])
self.wire(or_gates["config_data"].ports.O,
self.underlying.ports.config_data_in)
# read data out
for idx, core_feature in enumerate(self.__features):
if (idx > 0):
# self.add_port(f"read_config_data_{idx}",
self.add_port(f"read_config_data_{idx}",
magma.Out(magma.Bits[self.config_data_width]))
# port aliasing
core_feature.ports["read_config_data"] = \
self.ports[f"read_config_data_{idx}"]
# MEM Config
configurations = []
# merged_configs = []
skip_cfgs = []
for cfg_info in cfgs:
if cfg_info.port_name in skip_cfgs:
continue
if cfg_info.expl_arr:
if cfg_info.port_size[0] > 1:
for i in range(cfg_info.port_size[0]):
configurations.append(
(f"{cfg_info.port_name}_{i}", cfg_info.port_width))
else:
configurations.append(
(cfg_info.port_name, cfg_info.port_width))
else:
configurations.append(
(cfg_info.port_name, cfg_info.port_width))
# Do all the stuff for the main config
main_feature = self.__features[0]
for config_reg_name, width in configurations:
main_feature.add_config(config_reg_name, width)
if (width == 1):
self.wire(main_feature.registers[config_reg_name].ports.O[0],
self.underlying.ports[config_reg_name][0])
else:
self.wire(main_feature.registers[config_reg_name].ports.O,
self.underlying.ports[config_reg_name])
# SRAM
# These should also account for num features
# or_all_cfg_rd = FromMagma(mantle.DefineOr(4, 1))
if self.num_sram_features > 0:
or_all_cfg_rd = FromMagma(
mantle.DefineOr(self.num_sram_features, 1))
or_all_cfg_rd.instance_name = f"OR_CONFIG_WR_SRAM"
or_all_cfg_wr = FromMagma(
mantle.DefineOr(self.num_sram_features, 1))
or_all_cfg_wr.instance_name = f"OR_CONFIG_RD_SRAM"
for sram_index in range(self.num_sram_features):
core_feature = self.__features[sram_index + 1]
self.add_port(f"config_en_{sram_index}", magma.In(magma.Bit))
# port aliasing
core_feature.ports["config_en"] = \
self.ports[f"config_en_{sram_index}"]
# Sort of a temp hack - the name is just config_data_out
if self.num_sram_features == 1:
self.wire(core_feature.ports.read_config_data,
self.underlying.ports["config_data_out"])
else:
self.wire(
core_feature.ports.read_config_data,
self.underlying.ports[f"config_data_out_{sram_index}"])
and_gate_en = FromMagma(mantle.DefineAnd(2, 1))
and_gate_en.instance_name = f"AND_CONFIG_EN_SRAM_{sram_index}"
# also need to wire the sram signal
# the config enable is the OR of the rd+wr
or_gate_en = FromMagma(mantle.DefineOr(2, 1))
or_gate_en.instance_name = f"OR_CONFIG_EN_SRAM_{sram_index}"
self.wire(or_gate_en.ports.I0, core_feature.ports.config.write)
self.wire(or_gate_en.ports.I1, core_feature.ports.config.read)
self.wire(and_gate_en.ports.I0, or_gate_en.ports.O)
self.wire(and_gate_en.ports.I1[0],
core_feature.ports.config_en)
self.wire(and_gate_en.ports.O[0],
self.underlying.ports["config_en"][sram_index])
# Still connect to the OR of all the config rd/wr
self.wire(core_feature.ports.config.write,
or_all_cfg_wr.ports[f"I{sram_index}"])
self.wire(core_feature.ports.config.read,
or_all_cfg_rd.ports[f"I{sram_index}"])
self.wire(or_all_cfg_rd.ports.O[0],
self.underlying.ports.config_read[0])
self.wire(or_all_cfg_wr.ports.O[0],
self.underlying.ports.config_write[0])
self._setup_config()
def __init__(self, data_width, word_width, data_depth,
num_banks, use_sram_stub):
super().__init__(8, 32)
self.data_width = data_width
self.data_depth = data_depth
self.num_banks = num_banks
self.word_width = word_width
if use_sram_stub:
self.use_sram_stub = 1
else:
self.use_sram_stub = 0
TData = magma.Bits[self.word_width]
TBit = magma.Bits[1]
self.add_ports(
data_in=magma.In(TData),
addr_in=magma.In(TData),
data_out=magma.Out(TData),
flush=magma.In(TBit),
wen_in=magma.In(TBit),
ren_in=magma.In(TBit),
stall=magma.In(magma.Bits[4]),
valid_out=magma.Out(TBit),
switch_db=magma.In(TBit)
)
# Instead of a single read_config_data, we have multiple for each
# "sub"-feature of this core.
# self.ports.pop("read_config_data")
if (data_width, word_width, data_depth,
num_banks, use_sram_stub) not in \
MemCore.__circuit_cache:
wrapper = memory_core_genesis2.memory_core_wrapper
param_mapping = memory_core_genesis2.param_mapping
generator = wrapper.generator(param_mapping, mode="declare")
circ = generator(data_width=self.data_width,
data_depth=self.data_depth,
word_width=self.word_width,
num_banks=self.num_banks,
use_sram_stub=self.use_sram_stub)
MemCore.__circuit_cache[(data_width, word_width,
data_depth, num_banks,
use_sram_stub)] = circ
else:
circ = MemCore.__circuit_cache[(data_width, word_width,
data_depth, num_banks,
use_sram_stub)]
self.underlying = FromMagma(circ)
# put a 1-bit register and a mux to select the control signals
control_signals = ["wen_in", "ren_in", "flush", "switch_db"]
for control_signal in control_signals:
# TODO: consult with Ankita to see if we can use the normal
# mux here
mux = MuxWrapper(2, 1, name=f"{control_signal}_sel")
reg_value_name = f"{control_signal}_reg_value"
reg_sel_name = f"{control_signal}_reg_sel"
self.add_config(reg_value_name, 1)
self.add_config(reg_sel_name, 1)
self.wire(mux.ports.I[0], self.ports[control_signal])
self.wire(mux.ports.I[1], self.registers[reg_value_name].ports.O)
self.wire(mux.ports.S, self.registers[reg_sel_name].ports.O)
# 0 is the default wire, which takes from the routing network
self.wire(mux.ports.O[0], self.underlying.ports[control_signal])
self.wire(self.ports.data_in, self.underlying.ports.data_in)
self.wire(self.ports.addr_in, self.underlying.ports.addr_in)
self.wire(self.ports.data_out, self.underlying.ports.data_out)
self.wire(self.ports.reset, self.underlying.ports.reset)
self.wire(self.ports.clk, self.underlying.ports.clk)
self.wire(self.ports.valid_out[0], self.underlying.ports.valid_out)
# PE core uses clk_en (essentially active low stall)
self.stallInverter = FromMagma(mantle.DefineInvert(1))
self.wire(self.stallInverter.ports.I, self.ports.stall[0:1])
self.wire(self.stallInverter.ports.O[0], self.underlying.ports.clk_en)
zero_signals = (
("chain_wen_in", 1),
("chain_in", self.word_width),
)
one_signals = (
("config_read", 1),
("config_write", 1)
)
# enable read and write by default
for name, width in zero_signals:
val = magma.bits(0, width) if width > 1 else magma.bit(0)
self.wire(Const(val), self.underlying.ports[name])
for name, width in one_signals:
val = magma.bits(1, width) if width > 1 else magma.bit(1)
self.wire(Const(val), self.underlying.ports[name])
self.wire(Const(magma.bits(0, 24)),
self.underlying.ports.config_addr[0:24])
# we have five features in total
# 0: TILE
# 1-4: SMEM
# Feature 0: Tile
self.__features: List[CoreFeature] = [self]
# Features 1-4: SRAM
for sram_index in range(4):
core_feature = CoreFeature(self, sram_index + 1)
self.__features.append(core_feature)
# Wire the config
for idx, core_feature in enumerate(self.__features):
if(idx > 0):
self.add_port(f"config_{idx}",
magma.In(ConfigurationType(8, 32)))
# port aliasing
core_feature.ports["config"] = self.ports[f"config_{idx}"]
self.add_port("config", magma.In(ConfigurationType(8, 32)))
# or the signal up
t = ConfigurationType(8, 32)
t_names = ["config_addr", "config_data"]
or_gates = {}
for t_name in t_names:
port_type = t[t_name]
or_gate = FromMagma(mantle.DefineOr(len(self.__features),
len(port_type)))
or_gate.instance_name = f"OR_{t_name}_FEATURE"
for idx, core_feature in enumerate(self.__features):
self.wire(or_gate.ports[f"I{idx}"],
core_feature.ports.config[t_name])
or_gates[t_name] = or_gate
self.wire(or_gates["config_addr"].ports.O,
self.underlying.ports.config_addr[24:32])
self.wire(or_gates["config_data"].ports.O,
self.underlying.ports.config_data)
# only the first one has config_en
# self.wire(self.__features[0].ports.config.write[0],
# self.underlying.ports.config_en)
# read data out
for idx, core_feature in enumerate(self.__features):
if(idx > 0):
self.add_port(f"read_config_data_{idx}",
magma.Out(magma.Bits[32]))
# port aliasing
core_feature.ports["read_config_data"] = \
self.ports[f"read_config_data_{idx}"]
# MEM config
# self.wire(self.ports.read_config_data,
# self.underlying.ports.read_config_data)
configurations = [
("stencil_width", 32),
("read_mode", 1),
("arbitrary_addr", 1),
("starting_addr", 32),
("iter_cnt", 32),
("dimensionality", 32),
("circular_en", 1),
("almost_count", 4),
("enable_chain", 1),
("mode", 2),
("tile_en", 1),
("chain_idx", 4),
("depth", 13)
]
# Do all the stuff for the main config
main_feature = self.__features[0]
for config_reg_name, width in configurations:
main_feature.add_config(config_reg_name, width)
if(width == 1):
self.wire(main_feature.registers[config_reg_name].ports.O[0],
self.underlying.ports[config_reg_name])
else:
self.wire(main_feature.registers[config_reg_name].ports.O,
self.underlying.ports[config_reg_name])
for idx in range(8):
main_feature.add_config(f"stride_{idx}", 32)
main_feature.add_config(f"range_{idx}", 32)
self.wire(main_feature.registers[f"stride_{idx}"].ports.O,
self.underlying.ports[f"stride_{idx}"])
self.wire(main_feature.registers[f"range_{idx}"].ports.O,
self.underlying.ports[f"range_{idx}"])
# SRAM
for sram_index in range(4):
core_feature = self.__features[sram_index + 1]
self.wire(core_feature.ports.read_config_data,
self.underlying.ports[f"read_data_sram_{sram_index}"])
# also need to wire the sram signal
self.wire(core_feature.ports.config.write[0],
self.underlying.ports["config_en_sram"][sram_index])
self._setup_config()
conf_names = list(self.registers.keys())
conf_names.sort()
with open("mem_cfg.txt", "w+") as cfg_dump:
for idx, reg in enumerate(conf_names):
write_line = f"|{reg}|{idx}|{self.registers[reg].width}||\n"
cfg_dump.write(write_line)
def __init__(
self,
data_width=16, # CGRA Params
mem_width=64,
mem_depth=512,
banks=1,
input_iterator_support=6, # Addr Controllers
output_iterator_support=6,
input_config_width=16,
output_config_width=16,
interconnect_input_ports=2, # Connection to int
interconnect_output_ports=2,
mem_input_ports=1,
mem_output_ports=1,
use_sram_stub=1,
sram_macro_info=SRAMMacroInfo("TS1N16FFCLLSBLVTC512X32M4S"),
read_delay=1, # Cycle delay in read (SRAM vs Register File)
rw_same_cycle=False, # Does the memory allow r+w in same cycle?
agg_height=4,
max_agg_schedule=16,
input_max_port_sched=16,
output_max_port_sched=16,
align_input=1,
max_line_length=128,
max_tb_height=1,
tb_range_max=1024,
tb_range_inner_max=64,
tb_sched_max=16,
max_tb_stride=15,
num_tb=1,
tb_iterator_support=2,
multiwrite=1,
max_prefetch=8,
config_data_width=32,
config_addr_width=8,
num_tiles=2,
app_ctrl_depth_width=16,
remove_tb=False,
fifo_mode=True,
add_clk_enable=True,
add_flush=True,
core_reset_pos=False,
stcl_valid_iter=4):
super().__init__(config_addr_width, config_data_width)
# Capture everything to the tile object
self.data_width = data_width
self.mem_width = mem_width
self.mem_depth = mem_depth
self.banks = banks
self.fw_int = int(self.mem_width / self.data_width)
self.input_iterator_support = input_iterator_support
self.output_iterator_support = output_iterator_support
self.input_config_width = input_config_width
self.output_config_width = output_config_width
self.interconnect_input_ports = interconnect_input_ports
self.interconnect_output_ports = interconnect_output_ports
self.mem_input_ports = mem_input_ports
self.mem_output_ports = mem_output_ports
self.use_sram_stub = use_sram_stub
self.sram_macro_info = sram_macro_info
self.read_delay = read_delay
self.rw_same_cycle = rw_same_cycle
self.agg_height = agg_height
self.max_agg_schedule = max_agg_schedule
self.input_max_port_sched = input_max_port_sched
self.output_max_port_sched = output_max_port_sched
self.align_input = align_input
self.max_line_length = max_line_length
self.max_tb_height = max_tb_height
self.tb_range_max = tb_range_max
self.tb_range_inner_max = tb_range_inner_max
self.tb_sched_max = tb_sched_max
self.max_tb_stride = max_tb_stride
self.num_tb = num_tb
self.tb_iterator_support = tb_iterator_support
self.multiwrite = multiwrite
self.max_prefetch = max_prefetch
self.config_data_width = config_data_width
self.config_addr_width = config_addr_width
self.num_tiles = num_tiles
self.remove_tb = remove_tb
self.fifo_mode = fifo_mode
self.add_clk_enable = add_clk_enable
self.add_flush = add_flush
self.core_reset_pos = core_reset_pos
self.app_ctrl_depth_width = app_ctrl_depth_width
self.stcl_valid_iter = stcl_valid_iter
# Typedefs for ease
TData = magma.Bits[self.data_width]
TBit = magma.Bits[1]
self.__inputs = []
self.__outputs = []
# Enumerate input and output ports
# (clk and reset are assumed)
if self.interconnect_input_ports > 1:
for i in range(self.interconnect_input_ports):
self.add_port(f"addr_in_{i}", magma.In(TData))
self.__inputs.append(self.ports[f"addr_in_{i}"])
self.add_port(f"data_in_{i}", magma.In(TData))
self.__inputs.append(self.ports[f"data_in_{i}"])
self.add_port(f"wen_in_{i}", magma.In(TBit))
self.__inputs.append(self.ports[f"wen_in_{i}"])
else:
self.add_port("addr_in", magma.In(TData))
self.__inputs.append(self.ports[f"addr_in"])
self.add_port("data_in", magma.In(TData))
self.__inputs.append(self.ports[f"data_in"])
self.add_port("wen_in", magma.In(TBit))
self.__inputs.append(self.ports.wen_in)
if self.interconnect_output_ports > 1:
for i in range(self.interconnect_output_ports):
self.add_port(f"data_out_{i}", magma.Out(TData))
self.__outputs.append(self.ports[f"data_out_{i}"])
self.add_port(f"ren_in_{i}", magma.In(TBit))
self.__inputs.append(self.ports[f"ren_in_{i}"])
self.add_port(f"valid_out_{i}", magma.Out(TBit))
self.__outputs.append(self.ports[f"valid_out_{i}"])
# Chaining
self.add_port(f"chain_valid_in_{i}", magma.In(TBit))
self.__inputs.append(self.ports[f"chain_valid_in_{i}"])
self.add_port(f"chain_data_in_{i}", magma.In(TData))
self.__inputs.append(self.ports[f"chain_data_in_{i}"])
self.add_port(f"chain_data_out_{i}", magma.Out(TData))
self.__outputs.append(self.ports[f"chain_data_out_{i}"])
self.add_port(f"chain_valid_out_{i}", magma.Out(TBit))
self.__outputs.append(self.ports[f"chain_valid_out_{i}"])
else:
self.add_port("data_out", magma.Out(TData))
self.__outputs.append(self.ports[f"data_out"])
self.add_port(f"ren_in", magma.In(TBit))
self.__inputs.append(self.ports[f"ren_in"])
self.add_port(f"valid_out", magma.Out(TBit))
self.__outputs.append(self.ports[f"valid_out"])
self.add_port(f"chain_valid_in", magma.In(TBit))
self.__inputs.append(self.ports[f"chain_valid_in"])
self.add_port(f"chain_data_in", magma.In(TData))
self.__inputs.append(self.ports[f"chain_data_in"])
self.add_port(f"chain_data_out", magma.Out(TData))
self.__outputs.append(self.ports[f"chain_data_out"])
self.add_port(f"chain_valid_out", magma.Out(TBit))
self.__outputs.append(self.ports[f"chain_valid_out"])
self.add_ports(flush=magma.In(TBit),
full=magma.Out(TBit),
empty=magma.Out(TBit),
stall=magma.In(TBit),
sram_ready_out=magma.Out(TBit))
self.__inputs.append(self.ports.flush)
# self.__inputs.append(self.ports.stall)
self.__outputs.append(self.ports.full)
self.__outputs.append(self.ports.empty)
self.__outputs.append(self.ports.sram_ready_out)
cache_key = (self.data_width, self.mem_width, self.mem_depth,
self.banks, self.input_iterator_support,
self.output_iterator_support,
self.interconnect_input_ports,
self.interconnect_output_ports, self.use_sram_stub,
self.sram_macro_info, self.read_delay, self.rw_same_cycle,
self.agg_height, self.max_agg_schedule,
self.input_max_port_sched, self.output_max_port_sched,
self.align_input, self.max_line_length,
self.max_tb_height, self.tb_range_max, self.tb_sched_max,
self.max_tb_stride, self.num_tb, self.tb_iterator_support,
self.multiwrite, self.max_prefetch,
self.config_data_width, self.config_addr_width,
self.num_tiles, self.remove_tb, self.fifo_mode,
self.stcl_valid_iter, self.add_clk_enable, self.add_flush,
self.app_ctrl_depth_width)
# Check for circuit caching
if cache_key not in MemCore.__circuit_cache:
# Instantiate core object here - will only use the object representation to
# query for information. The circuit representation will be cached and retrieved
# in the following steps.
lt_dut = LakeTop(
data_width=self.data_width,
mem_width=self.mem_width,
mem_depth=self.mem_depth,
banks=self.banks,
input_iterator_support=self.input_iterator_support,
output_iterator_support=self.output_iterator_support,
input_config_width=self.input_config_width,
output_config_width=self.output_config_width,
interconnect_input_ports=self.interconnect_input_ports,
interconnect_output_ports=self.interconnect_output_ports,
use_sram_stub=self.use_sram_stub,
sram_macro_info=self.sram_macro_info,
read_delay=self.read_delay,
rw_same_cycle=self.rw_same_cycle,
agg_height=self.agg_height,
max_agg_schedule=self.max_agg_schedule,
input_max_port_sched=self.input_max_port_sched,
output_max_port_sched=self.output_max_port_sched,
align_input=self.align_input,
max_line_length=self.max_line_length,
max_tb_height=self.max_tb_height,
tb_range_max=self.tb_range_max,
tb_range_inner_max=self.tb_range_inner_max,
tb_sched_max=self.tb_sched_max,
max_tb_stride=self.max_tb_stride,
num_tb=self.num_tb,
tb_iterator_support=self.tb_iterator_support,
multiwrite=self.multiwrite,
max_prefetch=self.max_prefetch,
config_data_width=self.config_data_width,
config_addr_width=self.config_addr_width,
num_tiles=self.num_tiles,
app_ctrl_depth_width=self.app_ctrl_depth_width,
remove_tb=self.remove_tb,
fifo_mode=self.fifo_mode,
add_clk_enable=self.add_clk_enable,
add_flush=self.add_flush,
stcl_valid_iter=self.stcl_valid_iter)
change_sram_port_pass = change_sram_port_names(
use_sram_stub, sram_macro_info)
circ = kts.util.to_magma(
lt_dut,
flatten_array=True,
check_multiple_driver=False,
optimize_if=False,
check_flip_flop_always_ff=False,
additional_passes={"change_sram_port": change_sram_port_pass})
MemCore.__circuit_cache[cache_key] = (circ, lt_dut)
else:
circ, lt_dut = MemCore.__circuit_cache[cache_key]
# Save as underlying circuit object
self.underlying = FromMagma(circ)
self.chain_idx_bits = max(1, kts.clog2(self.num_tiles))
# put a 1-bit register and a mux to select the control signals
# TODO: check if enable_chain_output needs to be here? I don't think so?
control_signals = [("wen_in", self.interconnect_input_ports),
("ren_in", self.interconnect_output_ports),
("flush", 1),
("chain_valid_in", self.interconnect_output_ports)]
for control_signal, width in control_signals:
# TODO: consult with Ankita to see if we can use the normal
# mux here
if width == 1:
mux = MuxWrapper(2, 1, name=f"{control_signal}_sel")
reg_value_name = f"{control_signal}_reg_value"
reg_sel_name = f"{control_signal}_reg_sel"
self.add_config(reg_value_name, 1)
self.add_config(reg_sel_name, 1)
self.wire(mux.ports.I[0], self.ports[control_signal])
self.wire(mux.ports.I[1],
self.registers[reg_value_name].ports.O)
self.wire(mux.ports.S, self.registers[reg_sel_name].ports.O)
# 0 is the default wire, which takes from the routing network
self.wire(mux.ports.O[0],
self.underlying.ports[control_signal][0])
else:
for i in range(width):
mux = MuxWrapper(2, 1, name=f"{control_signal}_{i}_sel")
reg_value_name = f"{control_signal}_{i}_reg_value"
reg_sel_name = f"{control_signal}_{i}_reg_sel"
self.add_config(reg_value_name, 1)
self.add_config(reg_sel_name, 1)
self.wire(mux.ports.I[0],
self.ports[f"{control_signal}_{i}"])
self.wire(mux.ports.I[1],
self.registers[reg_value_name].ports.O)
self.wire(mux.ports.S,
self.registers[reg_sel_name].ports.O)
# 0 is the default wire, which takes from the routing network
self.wire(mux.ports.O[0],
self.underlying.ports[control_signal][i])
if self.interconnect_input_ports > 1:
for i in range(self.interconnect_input_ports):
self.wire(self.ports[f"data_in_{i}"],
self.underlying.ports[f"data_in_{i}"])
self.wire(self.ports[f"addr_in_{i}"],
self.underlying.ports[f"addr_in_{i}"])
else:
self.wire(self.ports.addr_in, self.underlying.ports.addr_in)
self.wire(self.ports.data_in, self.underlying.ports.data_in)
if self.interconnect_output_ports > 1:
for i in range(self.interconnect_output_ports):
self.wire(self.ports[f"data_out_{i}"],
self.underlying.ports[f"data_out_{i}"])
self.wire(self.ports[f"chain_data_in_{i}"],
self.underlying.ports[f"chain_data_in_{i}"])
self.wire(self.ports[f"chain_data_out_{i}"],
self.underlying.ports[f"chain_data_out_{i}"])
else:
self.wire(self.ports.data_out, self.underlying.ports.data_out)
self.wire(self.ports.chain_data_in,
self.underlying.ports.chain_data_in)
self.wire(self.ports.chain_data_out,
self.underlying.ports.chain_data_out)
# Need to invert this
self.resetInverter = FromMagma(mantle.DefineInvert(1))
self.wire(self.resetInverter.ports.I[0], self.ports.reset)
self.wire(self.resetInverter.ports.O[0], self.underlying.ports.rst_n)
self.wire(self.ports.clk, self.underlying.ports.clk)
if self.interconnect_output_ports == 1:
self.wire(self.ports.valid_out[0],
self.underlying.ports.valid_out[0])
self.wire(self.ports.chain_valid_out[0],
self.underlying.ports.chain_valid_out[0])
else:
for j in range(self.interconnect_output_ports):
self.wire(self.ports[f"valid_out_{j}"][0],
self.underlying.ports.valid_out[j])
self.wire(self.ports[f"chain_valid_out_{j}"][0],
self.underlying.ports.chain_valid_out[j])
self.wire(self.ports.empty[0], self.underlying.ports.empty[0])
self.wire(self.ports.full[0], self.underlying.ports.full[0])
# PE core uses clk_en (essentially active low stall)
self.stallInverter = FromMagma(mantle.DefineInvert(1))
self.wire(self.stallInverter.ports.I, self.ports.stall)
self.wire(self.stallInverter.ports.O[0],
self.underlying.ports.clk_en[0])
self.wire(self.ports.sram_ready_out[0],
self.underlying.ports.sram_ready_out[0])
# we have six? features in total
# 0: TILE
# 1: TILE
# 1-4: SMEM
# Feature 0: Tile
self.__features: List[CoreFeature] = [self]
# Features 1-4: SRAM
self.num_sram_features = lt_dut.total_sets
for sram_index in range(self.num_sram_features):
core_feature = CoreFeature(self, sram_index + 1)
self.__features.append(core_feature)
# Wire the config
for idx, core_feature in enumerate(self.__features):
if (idx > 0):
self.add_port(f"config_{idx}",
magma.In(ConfigurationType(8, 32)))
# port aliasing
core_feature.ports["config"] = self.ports[f"config_{idx}"]
self.add_port("config", magma.In(ConfigurationType(8, 32)))
# or the signal up
t = ConfigurationType(8, 32)
t_names = ["config_addr", "config_data"]
or_gates = {}
for t_name in t_names:
port_type = t[t_name]
or_gate = FromMagma(
mantle.DefineOr(len(self.__features), len(port_type)))
or_gate.instance_name = f"OR_{t_name}_FEATURE"
for idx, core_feature in enumerate(self.__features):
self.wire(or_gate.ports[f"I{idx}"],
core_feature.ports.config[t_name])
or_gates[t_name] = or_gate
self.wire(or_gates["config_addr"].ports.O,
self.underlying.ports.config_addr_in[0:8])
self.wire(or_gates["config_data"].ports.O,
self.underlying.ports.config_data_in)
# read data out
for idx, core_feature in enumerate(self.__features):
if (idx > 0):
# self.add_port(f"read_config_data_{idx}",
self.add_port(f"read_config_data_{idx}",
magma.Out(magma.Bits[32]))
# port aliasing
core_feature.ports["read_config_data"] = \
self.ports[f"read_config_data_{idx}"]
# MEM Config
configurations = [("tile_en", 1), ("fifo_ctrl_fifo_depth", 16),
("mode", 2), ("enable_chain_output", 1),
("enable_chain_input", 1)]
# ("stencil_width", 16), NOT YET
merged_configs = []
merged_in_sched = []
merged_out_sched = []
# Add config registers to configurations
# TODO: Have lake spit this information out automatically from the wrapper
configurations.append((f"chain_idx_input", self.chain_idx_bits))
configurations.append((f"chain_idx_output", self.chain_idx_bits))
for i in range(self.interconnect_input_ports):
configurations.append((f"strg_ub_agg_align_{i}_line_length",
kts.clog2(self.max_line_length)))
configurations.append((f"strg_ub_agg_in_{i}_in_period",
kts.clog2(self.input_max_port_sched)))
# num_bits_in_sched = kts.clog2(self.agg_height)
# sched_per_feat = math.floor(self.config_data_width / num_bits_in_sched)
# new_width = num_bits_in_sched * sched_per_feat
# feat_num = 0
# num_feats_merge = math.ceil(self.input_max_port_sched / sched_per_feat)
# for k in range(num_feats_merge):
# num_here = sched_per_feat
# if self.input_max_port_sched - (k * sched_per_feat) < sched_per_feat:
# num_here = self.input_max_port_sched - (k * sched_per_feat)
# merged_configs.append((f"strg_ub_agg_in_{i}_in_sched_merged_{k * sched_per_feat}",
# num_here * num_bits_in_sched, num_here))
for j in range(self.input_max_port_sched):
configurations.append((f"strg_ub_agg_in_{i}_in_sched_{j}",
kts.clog2(self.agg_height)))
configurations.append((f"strg_ub_agg_in_{i}_out_period",
kts.clog2(self.input_max_port_sched)))
for j in range(self.output_max_port_sched):
configurations.append((f"strg_ub_agg_in_{i}_out_sched_{j}",
kts.clog2(self.agg_height)))
configurations.append((f"strg_ub_app_ctrl_write_depth_wo_{i}",
self.app_ctrl_depth_width))
configurations.append((f"strg_ub_app_ctrl_write_depth_ss_{i}",
self.app_ctrl_depth_width))
configurations.append(
(f"strg_ub_app_ctrl_coarse_write_depth_wo_{i}",
self.app_ctrl_depth_width))
configurations.append(
(f"strg_ub_app_ctrl_coarse_write_depth_ss_{i}",
self.app_ctrl_depth_width))
configurations.append(
(f"strg_ub_input_addr_ctrl_address_gen_{i}_dimensionality",
1 + kts.clog2(self.input_iterator_support)))
configurations.append(
(f"strg_ub_input_addr_ctrl_address_gen_{i}_starting_addr",
self.input_config_width))
for j in range(self.input_iterator_support):
configurations.append(
(f"strg_ub_input_addr_ctrl_address_gen_{i}_ranges_{j}",
self.input_config_width))
configurations.append(
(f"strg_ub_input_addr_ctrl_address_gen_{i}_strides_{j}",
self.input_config_width))
configurations.append(
(f"strg_ub_app_ctrl_prefill", self.interconnect_output_ports))
configurations.append((f"strg_ub_app_ctrl_coarse_prefill",
self.interconnect_output_ports))
for i in range(self.stcl_valid_iter):
configurations.append((f"strg_ub_app_ctrl_ranges_{i}", 16))
configurations.append((f"strg_ub_app_ctrl_threshold_{i}", 16))
for i in range(self.interconnect_output_ports):
configurations.append((f"strg_ub_app_ctrl_input_port_{i}",
kts.clog2(self.interconnect_input_ports)))
configurations.append((f"strg_ub_app_ctrl_read_depth_{i}",
self.app_ctrl_depth_width))
configurations.append((f"strg_ub_app_ctrl_coarse_input_port_{i}",
kts.clog2(self.interconnect_input_ports)))
configurations.append((f"strg_ub_app_ctrl_coarse_read_depth_{i}",
self.app_ctrl_depth_width))
configurations.append(
(f"strg_ub_output_addr_ctrl_address_gen_{i}_dimensionality",
1 + kts.clog2(self.output_iterator_support)))
configurations.append(
(f"strg_ub_output_addr_ctrl_address_gen_{i}_starting_addr",
self.output_config_width))
for j in range(self.output_iterator_support):
configurations.append(
(f"strg_ub_output_addr_ctrl_address_gen_{i}_ranges_{j}",
self.output_config_width))
configurations.append(
(f"strg_ub_output_addr_ctrl_address_gen_{i}_strides_{j}",
self.output_config_width))
configurations.append((f"strg_ub_pre_fetch_{i}_input_latency",
kts.clog2(self.max_prefetch) + 1))
configurations.append((f"strg_ub_sync_grp_sync_group_{i}",
self.interconnect_output_ports))
configurations.append(
(f"strg_ub_rate_matched_{i}",
1 + kts.clog2(self.interconnect_input_ports)))
for j in range(self.num_tb):
configurations.append(
(f"strg_ub_tba_{i}_tb_{j}_dimensionality", 2))
num_indices_bits = 1 + kts.clog2(self.fw_int)
indices_per_feat = math.floor(self.config_data_width /
num_indices_bits)
new_width = num_indices_bits * indices_per_feat
feat_num = 0
num_feats_merge = math.ceil(self.tb_range_inner_max /
indices_per_feat)
for k in range(num_feats_merge):
num_idx = indices_per_feat
if (self.tb_range_inner_max -
(k * indices_per_feat)) < indices_per_feat:
num_idx = self.tb_range_inner_max - (k *
indices_per_feat)
merged_configs.append((
f"strg_ub_tba_{i}_tb_{j}_indices_merged_{k * indices_per_feat}",
num_idx * num_indices_bits, num_idx))
# for k in range(self.tb_range_inner_max):
# configurations.append((f"strg_ub_tba_{i}_tb_{j}_indices_{k}", kts.clog2(self.fw_int) + 1))
configurations.append((f"strg_ub_tba_{i}_tb_{j}_range_inner",
kts.clog2(self.tb_range_inner_max)))
configurations.append((f"strg_ub_tba_{i}_tb_{j}_range_outer",
kts.clog2(self.tb_range_max)))
configurations.append((f"strg_ub_tba_{i}_tb_{j}_stride",
kts.clog2(self.max_tb_stride)))
configurations.append((f"strg_ub_tba_{i}_tb_{j}_tb_height",
max(1, kts.clog2(self.num_tb))))
configurations.append((f"strg_ub_tba_{i}_tb_{j}_starting_addr",
max(1, kts.clog2(self.fw_int))))
# Do all the stuff for the main config
main_feature = self.__features[0]
for config_reg_name, width in configurations:
main_feature.add_config(config_reg_name, width)
if (width == 1):
self.wire(main_feature.registers[config_reg_name].ports.O[0],
self.underlying.ports[config_reg_name][0])
else:
self.wire(main_feature.registers[config_reg_name].ports.O,
self.underlying.ports[config_reg_name])
for config_reg_name, width, num_merged in merged_configs:
main_feature.add_config(config_reg_name, width)
token_under = config_reg_name.split("_")
base_name = config_reg_name.split("_merged")[0]
base_indices = int(config_reg_name.split("_merged_")[1])
num_bits = width // num_merged
for i in range(num_merged):
self.wire(
main_feature.registers[config_reg_name].ports.
O[i * num_bits:(i + 1) * num_bits],
self.underlying.ports[f"{base_name}_{base_indices + i}"])
# SRAM
# These should also account for num features
# or_all_cfg_rd = FromMagma(mantle.DefineOr(4, 1))
or_all_cfg_rd = FromMagma(mantle.DefineOr(self.num_sram_features, 1))
or_all_cfg_rd.instance_name = f"OR_CONFIG_WR_SRAM"
or_all_cfg_wr = FromMagma(mantle.DefineOr(self.num_sram_features, 1))
or_all_cfg_wr.instance_name = f"OR_CONFIG_RD_SRAM"
for sram_index in range(self.num_sram_features):
core_feature = self.__features[sram_index + 1]
self.add_port(f"config_en_{sram_index}", magma.In(magma.Bit))
# port aliasing
core_feature.ports["config_en"] = \
self.ports[f"config_en_{sram_index}"]
self.wire(core_feature.ports.read_config_data,
self.underlying.ports[f"config_data_out_{sram_index}"])
# also need to wire the sram signal
# the config enable is the OR of the rd+wr
or_gate_en = FromMagma(mantle.DefineOr(2, 1))
or_gate_en.instance_name = f"OR_CONFIG_EN_SRAM_{sram_index}"
self.wire(or_gate_en.ports.I0, core_feature.ports.config.write)
self.wire(or_gate_en.ports.I1, core_feature.ports.config.read)
self.wire(core_feature.ports.config_en,
self.underlying.ports["config_en"][sram_index])
# Still connect to the OR of all the config rd/wr
self.wire(core_feature.ports.config.write,
or_all_cfg_wr.ports[f"I{sram_index}"])
self.wire(core_feature.ports.config.read,
or_all_cfg_rd.ports[f"I{sram_index}"])
self.wire(or_all_cfg_rd.ports.O[0],
self.underlying.ports.config_read[0])
self.wire(or_all_cfg_wr.ports.O[0],
self.underlying.ports.config_write[0])
self._setup_config()
conf_names = list(self.registers.keys())
conf_names.sort()
with open("mem_cfg.txt", "w+") as cfg_dump:
for idx, reg in enumerate(conf_names):
write_line = f"|{reg}|{idx}|{self.registers[reg].width}||\n"
cfg_dump.write(write_line)
with open("mem_synth.txt", "w+") as cfg_dump:
for idx, reg in enumerate(conf_names):
write_line = f"{reg}\n"
cfg_dump.write(write_line)
def __init__(self, data_width, data_depth):
super().__init__(8, 32)
self.data_width = data_width
self.data_depth = data_depth
TData = magma.Bits[self.data_width]
TBit = magma.Bits[1]
self.add_ports(data_in=magma.In(TData),
addr_in=magma.In(TData),
data_out=magma.Out(TData),
flush=magma.In(TBit),
wen_in=magma.In(TBit),
ren_in=magma.In(TBit),
stall=magma.In(magma.Bits[4]))
# Instead of a single read_config_data, we have multiple for each
# "sub"-feature of this core.
self.ports.pop("read_config_data")
wrapper = memory_core_genesis2.memory_core_wrapper
param_mapping = memory_core_genesis2.param_mapping
generator = wrapper.generator(param_mapping, mode="declare")
circ = generator(data_width=self.data_width,
data_depth=self.data_depth)
self.underlying = FromMagma(circ)
self.wire(self.ports.data_in, self.underlying.ports.data_in)
self.wire(self.ports.addr_in, self.underlying.ports.addr_in)
self.wire(self.ports.data_out, self.underlying.ports.data_out)
self.wire(self.ports.reset, self.underlying.ports.reset)
self.wire(self.ports.flush[0], self.underlying.ports.flush)
self.wire(self.ports.wen_in[0], self.underlying.ports.wen_in)
self.wire(self.ports.ren_in[0], self.underlying.ports.ren_in)
# PE core uses clk_en (essentially active low stall)
self.stallInverter = FromMagma(mantle.DefineInvert(1))
self.wire(self.stallInverter.ports.I, self.ports.stall[0:1])
self.wire(self.stallInverter.ports.O[0], self.underlying.ports.clk_en)
# TODO(rsetaluri): Actually wire these inputs.
zero_signals = (
("config_en_linebuf", 1),
("chain_wen_in", 1),
("chain_in", self.data_width),
)
one_signals = (
("config_read", 1),
("config_write", 1),
)
# enable read and write by default
for name, width in zero_signals:
val = magma.bits(0, width) if width > 1 else magma.bit(0)
self.wire(Const(val), self.underlying.ports[name])
for name, width in one_signals:
val = magma.bits(1, width) if width > 1 else magma.bit(1)
self.wire(Const(val), self.underlying.ports[name])
self.wire(Const(magma.bits(0, 24)),
self.underlying.ports.config_addr[0:24])
# we have five features in total
# 0: LINEBUF
# 1-4: SMEM
# current setup is already in line buffer mode, so we pass self in
# notice that config_en_linebuf is to change the address in the
# line buffer mode, which is not used in practice
self.__features: List[CoreFeature] = [CoreFeature(self, 0)]
for sram_index in range(4):
core_feature = CoreFeature(self, sram_index + 1)
self.__features.append(core_feature)
for idx, core_feature in enumerate(self.__features):
self.add_port(f"config_{idx}", magma.In(ConfigurationType(8, 32)))
# port aliasing
core_feature.ports["config"] = self.ports[f"config_{idx}"]
# or the signal up
t = ConfigurationType(8, 32)
t_names = ["config_addr", "config_data"]
or_gates = {}
for t_name in t_names:
port_type = t[t_name]
or_gate = FromMagma(
mantle.DefineOr(len(self.__features), len(port_type)))
or_gate.instance_name = f"OR_{t_name}_FEATURE"
for idx, core_feature in enumerate(self.__features):
self.wire(or_gate.ports[f"I{idx}"],
core_feature.ports.config[t_name])
or_gates[t_name] = or_gate
self.wire(or_gates["config_addr"].ports.O,
self.underlying.ports.config_addr[24:32])
self.wire(or_gates["config_data"].ports.O,
self.underlying.ports.config_data)
# only the first one has config_en
self.wire(self.__features[0].ports.config.write[0],
self.underlying.ports.config_en)
# read data out
for idx, core_feature in enumerate(self.__features):
self.add_port(f"read_config_data_{idx}", magma.Out(magma.Bits[32]))
# port aliasing
core_feature.ports["read_config_data"] = \
self.ports[f"read_config_data_{idx}"]
# MEM config
self.wire(self.ports.read_config_data_0,
self.underlying.ports.read_data)
# SRAM
for sram_index in range(4):
core_feature = self.__features[sram_index + 1]
self.wire(core_feature.ports.read_config_data,
self.underlying.ports[f"read_data_sram_{sram_index}"])
# also need to wire the sram signal
self.add_port(f"config_en_{sram_index}", magma.In(magma.Bit))
# port aliasing
core_feature.ports["config_en"] = \
self.ports[f"config_en_{sram_index}"]
self.wire(self.underlying.ports["config_en_sram"][sram_index],
self.ports[f"config_en_{sram_index}"])