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[Engine] Upgrade fabric key writer to support BL/WL shift register banks

This commit is contained in:
tangxifan 2021-10-10 21:14:14 -07:00
parent 202b50c0e3
commit b9c540ec3f
3 changed files with 33 additions and 1 deletions
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1
openfpga/src/base/openfpga_build_fabric.cpp
View File

@ -135,6 +135,7 @@ int build_fabric(OpenfpgaContext& openfpga_ctx,
curr_status = write_fabric_key_to_xml_file(openfpga_ctx.module_graph(),
fkey_fname,
openfpga_ctx.arch().config_protocol,
openfpga_ctx.mutable_blwl_shift_register_banks(),
cmd_context.option_enable(cmd, opt_verbose));
/* If there is any error, final status cannot be overwritten by a success flag */
if (CMD_EXEC_SUCCESS != curr_status) {

31
openfpga/src/fabric/fabric_key_writer.cpp
View File

@ -32,6 +32,7 @@ namespace openfpga {
int write_fabric_key_to_xml_file(const ModuleManager& module_manager,
const std::string& fname,
const ConfigProtocol& config_protocol,
MemoryBankShiftRegisterBanks& blwl_sr_banks,
const bool& verbose) {
std::string timer_message = std::string("Write fabric key to XML file '") + fname + std::string("'");
@ -65,10 +66,16 @@ int write_fabric_key_to_xml_file(const ModuleManager& module_manager,
size_t num_regions = module_manager.regions(top_module).size();
fabric_key.reserve_regions(num_regions);
/* Create regions for the keys and load keys by region */
/* Create regions and build a id map */
std::map<ConfigRegionId, FabricRegionId> region_id_map;
for (const ConfigRegionId& config_region : module_manager.regions(top_module)) {
FabricRegionId fabric_region = fabric_key.create_region();
region_id_map[config_region] = fabric_region;
}
/* Create regions for the keys and load keys by region */
for (const ConfigRegionId& config_region : module_manager.regions(top_module)) {
FabricRegionId fabric_region = region_id_map[config_region];
/* Each configuration protocol has some child which should not be in the list. They are typically decoders */
size_t curr_region_num_config_child = module_manager.region_configurable_children(top_module, config_region).size();
size_t num_child_to_skip = estimate_num_configurable_children_to_skip_by_config_protocol(config_protocol, curr_region_num_config_child);
@ -97,6 +104,28 @@ int write_fabric_key_to_xml_file(const ModuleManager& module_manager,
}
}
/* Add BL shift register bank information, if there is any */
for (const ConfigRegionId& config_region : module_manager.regions(top_module)) {
FabricRegionId fabric_region = region_id_map[config_region];
for (const FabricBitLineBankId& bank : blwl_sr_banks.bl_banks(config_region)) {
FabricBitLineBankId fabric_bank = fabric_key.create_bl_shift_register_bank(fabric_region);
for (const BasicPort& data_port : blwl_sr_banks.bl_bank_data_ports(config_region, bank)) {
fabric_key.add_data_port_to_bl_shift_register_bank(fabric_region, fabric_bank, data_port);
}
}
}
/* Add WL shift register bank information, if there is any */
for (const ConfigRegionId& config_region : module_manager.regions(top_module)) {
FabricRegionId fabric_region = region_id_map[config_region];
for (const FabricWordLineBankId& bank : blwl_sr_banks.wl_banks(config_region)) {
FabricWordLineBankId fabric_bank = fabric_key.create_wl_shift_register_bank(fabric_region);
for (const BasicPort& data_port : blwl_sr_banks.wl_bank_data_ports(config_region, bank)) {
fabric_key.add_data_port_to_wl_shift_register_bank(fabric_region, fabric_bank, data_port);
}
}
}
VTR_LOGV(verbose,
"Created %lu regions and %lu keys for the top module %s.\n",
num_regions, num_keys, top_module_name.c_str());

2
openfpga/src/fabric/fabric_key_writer.h
View File

@ -7,6 +7,7 @@
#include <string.h>
#include "module_manager.h"
#include "config_protocol.h"
#include "memory_bank_shift_register_banks.h"
/********************************************************************
* Function declaration
@ -18,6 +19,7 @@ namespace openfpga {
int write_fabric_key_to_xml_file(const ModuleManager& module_manager,
const std::string& fname,
const ConfigProtocol& config_protocol,
MemoryBankShiftRegisterBanks& blwl_sr_banks,
const bool& verbose);
} /* end namespace openfpga */