nexus: Build and embed chipdb automatically
Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah
parent
7645354917
commit
9affda5626
@ -286,6 +286,7 @@ endforeach (family)
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file(GLOB_RECURSE CLANGFORMAT_FILES *.cc *.h)
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string(REGEX REPLACE "[^;]*/ice40/chipdb/chipdb-[^;]*.cc" "" CLANGFORMAT_FILES "${CLANGFORMAT_FILES}")
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string(REGEX REPLACE "[^;]*/ecp5/chipdb/chipdb-[^;]*.cc" "" CLANGFORMAT_FILES "${CLANGFORMAT_FILES}")
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string(REGEX REPLACE "[^;]*nexus/chipdb/chipdb-[^;]*.cc" "" CLANGFORMAT_FILES "${CLANGFORMAT_FILES}")
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string(REGEX REPLACE "[^;]*/3rdparty[^;]*" "" CLANGFORMAT_FILES "${CLANGFORMAT_FILES}")
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string(REGEX REPLACE "[^;]*/generated[^;]*" "" CLANGFORMAT_FILES "${CLANGFORMAT_FILES}")
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1
nexus/.gitignore
vendored
Normal file
1
nexus/.gitignore
vendored
Normal file
@ -0,0 +1 @@
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/chipdb/
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57
nexus/CMakeLists.txt
Normal file
57
nexus/CMakeLists.txt
Normal file
@ -0,0 +1,57 @@
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cmake_minimum_required(VERSION 3.5)
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project(chipdb-nexus NONE)
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set(ALL_NEXUS_FAMILIES LIFCL)
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# NOTE: Unlike iCE40 and ECP5; one database can cover all densities of a given family
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set(NEXUS_FAMILIES ${ALL_NEXUS_FAMILIES} CACHE STRING
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"Include support for these Nexus families (available: ${ALL_NEXUS_FAMILIES})")
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message(STATUS "Enabled Nexus families: ${NEXUS_FAMILIES}")
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if(DEFINED NEXUS_CHIPDB)
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add_custom_target(chipdb-nexus-bbas ALL)
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else()
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# shared among all families
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set(OXIDE_ROOT "" CACHE STRING
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"prjoxide root folder")
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message(STATUS "prjoxide root folder: ${OXIDE_ROOT}")
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set(all_device_bbas)
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file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/chipdb)
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foreach(subfamily ${NEXUS_FAMILIES})
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if(NOT subfamily IN_LIST ALL_NEXUS_FAMILIES)
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message(FATAL_ERROR "${subfamily} is not a supported Nexus family")
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endif()
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set(family_bba chipdb/chipdb-${subfamily}.bba)
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set(BBA_TOOL ${OXIDE_ROOT}/libprjoxide/target/release/oxide_bbaexport)
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add_custom_command(
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OUTPUT ${family_bba}
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COMMAND
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${BBA_TOOL} ${subfamily} ${CMAKE_CURRENT_SOURCE_DIR}/constids.inc ${family_bba}.new
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# atomically update
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COMMAND ${CMAKE_COMMAND} -E rename ${family_bba}.new ${family_bba}
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DEPENDS
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${BBA_TOOL}
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${CMAKE_CURRENT_SOURCE_DIR}/constids.inc
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${CMAKE_CURRENT_SOURCE_DIR}/bba_version.inc
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${PREVIOUS_CHIPDB_TARGET}
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VERBATIM)
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list(APPEND all_device_bbas ${family_bba})
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if(SERIALIZE_CHIPDBS)
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set(PREVIOUS_CHIPDB_TARGET ${CMAKE_CURRENT_BINARY_DIR}/${family_bba})
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endif()
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endforeach()
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add_custom_target(chipdb-nexus-bbas ALL DEPENDS ${all_device_bbas})
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get_directory_property(has_parent PARENT_DIRECTORY)
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if(has_parent)
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set(NEXUS_CHIPDB ${CMAKE_CURRENT_BINARY_DIR}/chipdb PARENT_SCOPE)
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# serialize chipdb build across multiple architectures
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set(PREVIOUS_CHIPDB_TARGET chipdb-nexus-bbas PARENT_SCOPE)
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else()
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message(STATUS "Build nextpnr with -DNEXUS_CHIPDB=${CMAKE_CURRENT_BINARY_DIR}/chipdb")
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endif()
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endif()
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@ -20,6 +20,7 @@
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#include <boost/algorithm/string.hpp>
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#include "embed.h"
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#include "log.h"
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#include "nextpnr.h"
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#include "placer1.h"
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@ -43,8 +44,6 @@ static std::tuple<int, int, std::string> split_identifier_name(const std::string
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name.substr(second_slash + 1));
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};
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static const DatabasePOD *get_chipdb(const RelPtr<DatabasePOD> *ptr) { return ptr->get(); }
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} // namespace
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// -----------------------------------------------------------------------
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@ -78,16 +77,12 @@ Arch::Arch(ArchArgs args) : args(args)
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log_error("Unknown device string '%s' (expected device name like 'LIFCL-40-8SG72C')\n", args.device.c_str());
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package = args.device.substr(last_sep + 2, (package_end - (last_sep + 2)) + 1);
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rating = args.device.substr(package_end + 1);
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// Load database (FIXME: baked-in databases too)
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try {
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blob_file.open(args.chipdb);
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if (!blob_file.is_open())
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log_error("Unable to read chipdb %s\n", args.chipdb.c_str());
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const char *blob = reinterpret_cast<const char *>(blob_file.data());
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db = get_chipdb(reinterpret_cast<const RelPtr<DatabasePOD> *>(blob));
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} catch (...) {
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log_error("Unable to read chipdb %s\n", args.chipdb.c_str());
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}
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// Load database
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std::string chipdb = stringf("nexus/chipdb-%s.bin", family.c_str());
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auto db_ptr = reinterpret_cast<const RelPtr<DatabasePOD> *>(get_chipdb(chipdb));
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if (db_ptr == nullptr)
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log_error("Failed to load chipdb '%s'\n", chipdb.c_str());
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db = db_ptr->get();
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// Check database version and family
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if (db->version != bba_version) {
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log_error("Provided database version %d is %s than nextpnr version %d, please rebuild database/nextpnr.\n",
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@ -820,7 +820,6 @@ const int bba_version =
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struct ArchArgs
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{
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std::string chipdb;
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std::string device;
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};
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@ -0,0 +1,53 @@
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add_subdirectory(${family})
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message(STATUS "Using Nexus chipdb: ${NEXUS_CHIPDB}")
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set(chipdb_sources)
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set(chipdb_binaries)
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file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${family}/chipdb)
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foreach(subfamily ${NEXUS_FAMILIES})
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set(chipdb_bba ${NEXUS_CHIPDB}/chipdb-${subfamily}.bba)
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set(chipdb_bin ${family}/chipdb/chipdb-${subfamily}.bin)
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set(chipdb_cc ${family}/chipdb/chipdb-${subfamily}.cc)
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if(BBASM_MODE STREQUAL "binary")
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add_custom_command(
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OUTPUT ${chipdb_bin}
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COMMAND bbasm ${BBASM_ENDIAN_FLAG} ${chipdb_bba} ${chipdb_bin}
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DEPENDS bbasm chipdb-${family}-bbas ${chipdb_bba})
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list(APPEND chipdb_binaries ${chipdb_bin})
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elseif(BBASM_MODE STREQUAL "embed")
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add_custom_command(
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OUTPUT ${chipdb_cc} ${chipdb_bin}
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COMMAND bbasm ${BBASM_ENDIAN_FLAG} --e ${chipdb_bba} ${chipdb_cc} ${chipdb_bin}
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DEPENDS bbasm chipdb-${family}-bbas ${chipdb_bba})
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list(APPEND chipdb_sources ${chipdb_cc})
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list(APPEND chipdb_binaries ${chipdb_bin})
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elseif(BBASM_MODE STREQUAL "string")
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add_custom_command(
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OUTPUT ${chipdb_cc}
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COMMAND bbasm ${BBASM_ENDIAN_FLAG} --c ${chipdb_bba} ${chipdb_cc}
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DEPENDS bbasm chipdb-${family}-bbas ${chipdb_bba})
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list(APPEND chipdb_sources ${chipdb_cc})
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endif()
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endforeach()
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if(WIN32)
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set(chipdb_rc ${CMAKE_CURRENT_BINARY_DIR}/${family}/resource/chipdb.rc)
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list(APPEND chipdb_sources ${chipdb_rc})
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file(WRITE ${chipdb_rc})
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foreach(subfamily ${NEXUS_FAMILIES})
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file(APPEND ${chipdb_rc}
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"${family}/chipdb-${subfamily}.bin RCDATA \"${CMAKE_CURRENT_BINARY_DIR}/${family}/chipdb/chipdb-${subfamily}.bin\"")
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endforeach()
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endif()
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add_custom_target(chipdb-${family}-bins DEPENDS ${chipdb_sources} ${chipdb_binaries})
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add_library(chipdb-${family} OBJECT ${NEXUS_CHIPDB} ${chipdb_sources})
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add_dependencies(chipdb-${family} chipdb-${family}-bins)
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target_compile_options(chipdb-${family} PRIVATE -g0 -O0 -w)
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target_compile_definitions(chipdb-${family} PRIVATE NEXTPNR_NAMESPACE=nextpnr_${family})
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target_include_directories(chipdb-${family} PRIVATE ${family})
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foreach(family_target ${family_targets})
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target_sources(${family_target} PRIVATE $<TARGET_OBJECTS:chipdb-${family}>)
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endforeach()
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@ -47,7 +47,6 @@ NexusCommandHandler::NexusCommandHandler(int argc, char **argv) : CommandHandler
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po::options_description NexusCommandHandler::getArchOptions()
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{
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po::options_description specific("Architecture specific options");
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specific.add_options()("chipdb", po::value<std::string>(), "name of chip database binary");
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specific.add_options()("device", po::value<std::string>(), "device name");
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specific.add_options()("fasm", po::value<std::string>(), "fasm file to write");
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specific.add_options()("pdc", po::value<std::string>(), "physical constraints file");
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@ -68,7 +67,6 @@ void NexusCommandHandler::customBitstream(Context *ctx)
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std::unique_ptr<Context> NexusCommandHandler::createContext(std::unordered_map<std::string, Property> &values)
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{
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ArchArgs chipArgs;
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chipArgs.chipdb = vm["chipdb"].as<std::string>();
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chipArgs.device = vm["device"].as<std::string>();
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return std::unique_ptr<Context>(new Context(chipArgs));
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}
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