Merge branch 'master' of https://git.minres.com/VP/RISCV-VP.git

CMakeLists.txt

@@ -1,11 +1,14 @@
 cmake_minimum_required(VERSION 3.12)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_CURRENT_SOURCE_DIR}/scc/cmake)
 
-project(RISCV-VP LANGUAGES CXX)
+project(RISCV-VP VERSION 1.0.0 LANGUAGES CXX)
 
 set(ENABLE_SCV TRUE CACHE BOOL "Enable use of SCV")
+
 set(ENABLE_SHARED TRUE CACHE BOOL "Build shared libraries")
 
+set(WITH_LLVM FALSE CACHE BOOL "Build LLVM based backend")
+
 include(GitFunctions)
 get_branch_from_git()
 # if we are not on master or develop set the submodules to develop
@@ -63,16 +66,6 @@ setup_conan(TARGETS)
 # This line finds the boost lib and headers. 
 set(Boost_NO_BOOST_CMAKE ON) #  Don't do a find_package in config mode before searching for a regular boost install.
 
-if(DEFINED ENV{LLVM_HOME})
-	find_path (LLVM_DIR LLVM-Config.cmake $ENV{LLVM_HOME}/lib/cmake/llvm)
-endif(DEFINED ENV{LLVM_HOME})
-find_package(LLVM REQUIRED CONFIG)
-message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
-message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
-llvm_map_components_to_libnames(llvm_libs support core mcjit x86codegen x86asmparser)
-
-set(BUILD_SHARED_LIBS 1)
-
 find_package(Threads)
 find_package(Tcmalloc)
 find_package(ZLIB)
@@ -90,7 +83,6 @@ if(SystemC_FOUND)
         endif()
 endif(SystemC_FOUND)
 
-set(PROJECT_3PARTY_DIRS external)
 include(clang-format)
 
 set(ENABLE_CLANG_TIDY OFF CACHE BOOL "Add clang-tidy automatically to builds")
@@ -107,16 +99,8 @@ if (ENABLE_CLANG_TIDY)
     endif()
 endif()
   
-# Set the version number of your project here (format is MAJOR.MINOR.PATCHLEVEL - e.g. 1.0.0)
-set(VERSION_MAJOR "1")
-set(VERSION_MINOR "0")
-set(VERSION_PATCH "0")
-set(VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH})
-
 add_subdirectory(external)
 add_subdirectory(dbt-core)
 add_subdirectory(riscv)
 add_subdirectory(scc)
 add_subdirectory(platform)
-
-message(STATUS "Build Type: ${CMAKE_BUILD_TYPE}")

README.md

@@ -16,16 +16,21 @@ RISCV-VP uses libGIS (https://github.com/vsergeev/libGIS) as well as ELFIO (http
 * you need to have a C++11 capable compiler (e.g. gcc >= 4.8), make, python, and cmake installed
 * install LLVM >= 4.0 according to http://apt.llvm.org/ (if it is not already provided by your distribution e.g by Ubuntu 18.04)
 * install conan.io (see also http://docs.conan.io/en/latest/installation.html):
+
 ```
     pip install conan
 ```
+
 * setup conan to use the minres repo:
+
 ```
     conan remote add minres https://api.bintray.com/conan/minres/conan-repo
     conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan
 ```
+
 * checkout source from git
 * start an out-of-source build:
+
 ```
     cd RISCV-VP
     mkdir build
@@ -33,10 +38,13 @@ RISCV-VP uses libGIS (https://github.com/vsergeev/libGIS) as well as ELFIO (http
     cmake ..
     cmake --build .
 ```
+
 * if you encounter issues when linking wrt. c++11 symbols you might have run into GCC ABI incompatibility introduced from GCC 5.0 onwards. You can fix this by adding '-s compiler.libcxx=libstdc++11' to the conan call or changing compiler.libcxx to
+
 ```
 compiler.libcxx=libstdc++11
 ```
+
 in $HOME/.conan/profiles/default
 
 **Detailed Setup steps**
@@ -67,9 +75,10 @@ in $HOME/.conan/profiles/default
     conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan
     conan profile new default --detect
     # clone and build DBT-RISE-RISCV
-    git clone --recursive https://github.com/Minres/DBT-RISE-RISCV.git
-    cd DBT-RISE-RISCV/
+    git clone --recursive https://git.minres.com/VP/RISCV-VP.git
+    cd RISCV-VP/
     git checkout develop
+    git submodule update --recursive
     mkdir build;cd build
     MAKE_FLAGS="-j4" cmake ..
     make -j4

cmake/Common.cmake

@@ -1,20 +0,0 @@
-# Function to link between sub-projects
-function(add_dependent_subproject subproject_name)
-    #if (NOT TARGET ${subproject_name}) # target unknown
-    if(NOT PROJECT_${subproject_name}) # var unknown because we build only this subproject
-        find_package(${subproject_name} CONFIG REQUIRED)
-    else () # we know the target thus we are doing a build from the top directory
-        include_directories(../${subproject_name}/incl)
-    endif ()
-endfunction(add_dependent_subproject)
-
-# Make sure we tell the topdir CMakeLists that we exist (if build from topdir)
-get_directory_property(hasParent PARENT_DIRECTORY)
-if(hasParent)
-    set(PROJECT_${PROJECT_NAME} true PARENT_SCOPE)
-endif()
-
-# Function to link between sub-projects
-function(add_dependent_header subproject_name)
-    include_directories(../${subproject_name}/incl)
-endfunction(add_dependent_header)

platform/CMakeLists.txt

@@ -1,60 +1,3 @@
 cmake_minimum_required(VERSION 3.12)
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/../cmake) # main (top) cmake dir
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake) # project specific cmake dir
-
-# CMake useful variables
-set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
-set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib") 
-set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
-
-# Set the name of your project here
-project("platform")
-
-include(Common)
-
-find_package(Boost COMPONENTS program_options system thread filesystem REQUIRED)
-
-# check that we have averything we need
-if(!SystemC_FOUND)
-    message( FATAL_ERROR "SystemC library not found." )
-endif()
-
-if(!CCI_FOUND)
-    message( FATAL_ERROR "SystemC CCI library not found." )
-endif()
-
-# This sets the include directory for the reference project. This is the -I flag in gcc.
-
-add_dependent_subproject(dbt-core)
-add_dependent_subproject(scc)
-add_dependent_subproject(riscv)
-
-include_directories(
-    ${PROJECT_SOURCE_DIR}/../external/elfio
-    ${PROJECT_SOURCE_DIR}/../external/libGIS
-    ${Boost_INCLUDE_DIRS}
-)
-
-# Mac needed variables (adapt for your needs - http://www.cmake.org/Wiki/CMake_RPATH_handling#Mac_OS_X_and_the_RPATH)
-set(CMAKE_MACOSX_RPATH ON)
-set(CMAKE_SKIP_BUILD_RPATH FALSE)
-set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
-set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
-set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
-
-## the following setting needs to be consistent with the library
-#add_definitions(-DSC_DEFAULT_WRITER_POLICY=SC_MANY_WRITERS)
 
 add_subdirectory(src)
-
-#
-# SYSTEM PACKAGING (RPM, TGZ, ...)
-# _____________________________________________________________________________
-
-#include(CPackConfig)
-
-#
-# CMAKE PACKAGING (for other CMake projects to use this one easily)
-# _____________________________________________________________________________
-
-#include(PackageConfigurator)

platform/src/CLIParser.cpp

@@ -75,25 +75,26 @@ CLIParser::CLIParser(int argc, char *argv[])
         std::cerr << "ERROR: " << e.what() << std::endl << std::endl;
         std::cerr << desc << std::endl;
     }
-    auto log_level = vm_["verbose"].as<unsigned>();
+
     auto verbosity = !vm_["Verbose"].defaulted() ? vm_["Verbose"].as<unsigned>() : vm_["verbose"].as<unsigned>();
     auto colored_output = vm_["Verbose"].defaulted();
-    auto dbg_level       = std::min<unsigned>(logging::DBGTRACE, verbosity);
+    auto dbg_level = vm_.count("debug-level")
+                         ? vm_["debug-level"].as<scc::log>()
+                         : static_cast<scc::log>(std::min<unsigned>(static_cast<unsigned>(scc::log::DBGTRACE), verbosity));
 
-    auto l = logging::as_log_level(log_level > 6 ? 6 : log_level);
     auto log_regex       = vm_["log-filter"].as<std::string>();
 
     if (vm_.count("log-file")) {
         auto log_file_name   = vm_["log-file"].as<std::string>();
         scc::init_logging(scc::LogConfig()
         .logFileName(log_file_name)
-        .logLevel(static_cast<logging::log_level>(dbg_level))
+        .logLevel(static_cast<scc::log>(dbg_level))
         .logFilterRegex(log_regex)
         .coloredOutput(colored_output)
         );
     } else {
         scc::init_logging(scc::LogConfig()
-        .logLevel(static_cast<logging::log_level>(dbg_level))
+        .logLevel(static_cast<scc::log>(dbg_level))
         .logFilterRegex(log_regex)
         .coloredOutput(colored_output)
         );
@@ -106,12 +107,13 @@ void CLIParser::build() {
             ("help,h", "Print help message")
             ("verbose,v",      po::value<unsigned>()->implicit_value(3), "Sets logging verbosity")
             ("Verbose,V",      po::value<unsigned>()->default_value(logging::INFO), "Debug output level as with --verbose but print non-colored")
+            ("debug-level,D",  po::value<scc::log>(), "Debug output level (textual) as with --verbose")
             ("log-file",       po::value<std::string>(), "Sets default log file.")
             ("log-filter",     po::value<std::string>()->default_value(""), "log filter regular expression name")
             ("disass,d",       po::value<std::string>()->implicit_value(""), "Enables disassembly")
             ("elf,l",          po::value<std::string>(), "ELF file to load")
             ("gdb-port,g",     po::value<unsigned short>()->default_value(0), "enable gdb server and specify port to use")
-            ("dump-ir", "dump the intermediate representation")
+            ("ir-dump", "dump the intermediate representation")
             ("quantum",        po::value<unsigned>(), "SystemC quantum time in ns")
             ("reset,r",        po::value<std::string>(), "reset address")
             ("trace-level,t",  po::value<unsigned>()->default_value(0), "enable tracing, or combination of 1=signals and 2=TX text, 4=TX compressed text, 6=TX in SQLite")

platform/src/CMakeLists.txt

@@ -1,6 +1,14 @@
+cmake_minimum_required(VERSION 3.12)
+
+project(platform VERSION 1.0.0)
+
+include(GNUInstallDirs)
+
 # library files
 FILE(GLOB RiscVSCHeaders ${PROJECT_SOURCE_DIR}/incl/sysc/*.h ${PROJECT_SOURCE_DIR}/incl/sysc/*/*.h)
+
 set(LIB_HEADERS ${RiscVSCHeaders} )
+
 set(LIB_SOURCES 
 	sysc/aon.cpp
 	sysc/BLDC.cpp
@@ -21,86 +29,30 @@ set(LIB_SOURCES
 	sysc/uart.cpp	
 	CLIParser.cpp )
 
-set(APP_SOURCES sc_main.cpp)
-
-# Define two variables in order not to repeat ourselves.
-set(LIBRARY_NAME platform)
-
-## the following setting needs to be consistent with the library
-#add_definitions(-DSC_DEFAULT_WRITER_POLICY=SC_MANY_WRITERS)
-
-# Define the library
-add_library(${LIBRARY_NAME} ${LIB_SOURCES})
-
-# Links the target exe against the libraries
-target_link_libraries(${LIBRARY_NAME} riscv_sc)
-target_link_libraries(${LIBRARY_NAME} dbt-core)
-target_link_libraries(${LIBRARY_NAME} softfloat)
-target_link_libraries(${LIBRARY_NAME} scc)
-target_link_libraries(${LIBRARY_NAME} CONAN_PKG::Seasocks)
-target_link_libraries(${LIBRARY_NAME} external)
-target_link_libraries(${LIBRARY_NAME} ${llvm_libs})
-target_link_libraries(${LIBRARY_NAME} ${Boost_LIBRARIES} )
-
-set_target_properties(${LIBRARY_NAME} PROPERTIES
-  VERSION ${VERSION}  # ${VERSION} was defined in the main CMakeLists.
+add_library(platform ${LIB_SOURCES})
+target_include_directories(platform PUBLIC ../incl)
+target_link_libraries(platform PUBLIC riscv_sc CONAN_PKG::Seasocks external)
+set_target_properties(platform PROPERTIES
+  VERSION ${PROJECT_VERSION}  # ${VERSION} was defined in the main CMakeLists.
   FRAMEWORK FALSE
   PUBLIC_HEADER "${LIB_HEADERS}" # specify the public headers
 )
 
-# This is a make target, so you can do a "make riscv-sc"
-set(APPLICATION_NAME riscv-vp)
-
-include_directories(${PROJECT_SOURCE_DIR}/incl)
-include_directories(${CONAN_INCLUDE_DIRS_SEASOCKS})
-add_definitions(-DWITH_SYSTEMC) # or -DSC_NO_WRITE_CHECK
-include_directories(${SystemC_INCLUDE_DIRS})
-include_directories(${CCI_INCLUDE_DIRS})
-if(SCV_FOUND)
-    add_definitions(-DWITH_SCV)
-    include_directories(${SCV_INCLUDE_DIRS})
-endif()
-
-
-link_directories(${SystemC_LIBRARY_DIRS})
-link_directories(${CCI_LIBRARY_DIRS})
-link_directories(${CONAN_LIB_DIRS_SEASOCKS})
-
-add_executable(${APPLICATION_NAME} ${APP_SOURCES})
+add_executable(riscv-vp sc_main.cpp)
 # include files for this application
-target_include_directories(${APPLICATION_NAME} SYSTEM PRIVATE ${LLVM_INCLUDE_DIRS})
-# Links the target exe against the libraries
-target_link_libraries(${APPLICATION_NAME} ${LIBRARY_NAME})
-target_link_libraries(${APPLICATION_NAME} riscv_sc)
-target_link_libraries(${APPLICATION_NAME} dbt-core)
-target_link_libraries(${APPLICATION_NAME} softfloat)
-target_link_libraries(${APPLICATION_NAME} scc)
-target_link_libraries(${APPLICATION_NAME} ${CONAN_LIBS_SEASOCKS})
-target_link_libraries(${APPLICATION_NAME} external)
-target_link_libraries(${APPLICATION_NAME} ${llvm_libs})
-target_link_libraries(${APPLICATION_NAME} ${CCI_LIBRARIES} )
-target_link_libraries(${APPLICATION_NAME} ${SystemC_LIBRARIES} )
-if(SCV_FOUND)
-    link_directories(${SCV_LIBRARY_DIRS})
-    target_link_libraries (${APPLICATION_NAME} ${SCV_LIBRARIES})
-endif()
-target_link_libraries(${APPLICATION_NAME} ${Boost_LIBRARIES} )
+target_include_directories(riscv-vp SYSTEM PRIVATE ${LLVM_INCLUDE_DIRS})
+target_link_libraries(riscv-vp PUBLIC platform riscv_sc)
 if (Tcmalloc_FOUND)
-    target_link_libraries(${APPLICATION_NAME} ${Tcmalloc_LIBRARIES})
+    target_link_libraries(riscv-vp PUBLIC ${Tcmalloc_LIBRARIES})
 endif(Tcmalloc_FOUND)
 
-# Says how and where to install software
-# Targets:
-#   * <prefix>/lib/<libraries>
-#   * header location after install: <prefix>/include/<project>/*.h
-#   * headers can be included by C++ code `#<project>/Bar.hpp>`
-install(TARGETS ${LIBRARY_NAME} ${APPLICATION_NAME}
+install(TARGETS platform riscv-vp
   EXPORT ${PROJECT_NAME}Targets            # for downstream dependencies
-  ARCHIVE DESTINATION lib COMPONENT libs   # static lib
-  RUNTIME DESTINATION bin COMPONENT libs   # binaries
-  LIBRARY DESTINATION lib COMPONENT libs   # shared lib
-  FRAMEWORK DESTINATION bin COMPONENT libs # for mac
-  PUBLIC_HEADER DESTINATION incl/${PROJECT_NAME} COMPONENT devel   # headers for mac (note the different component -> different package)
-  INCLUDES DESTINATION incl             # headers
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libs   # static lib
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT libs   # binaries
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libs   # shared lib
+  FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libs # for mac
+  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME} COMPONENT devel   # headers for mac (note the different component -> different package)
+  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}             # headers
 )
 

platform/src/sc_main.cpp

@@ -44,7 +44,9 @@
 #include <cci_utils/broker.h>
 
 #include <boost/program_options.hpp>
+#ifdef WITH_LLVM
 #include <iss/llvm/jit_helper.h>
+#endif
 #include <fstream>
 #include <sstream>
 
@@ -63,10 +65,6 @@ int sc_main(int argc, char *argv[]) {
     ///////////////////////////////////////////////////////////////////////////
     sc_report_handler::set_actions(SC_ID_MORE_THAN_ONE_SIGNAL_DRIVER_, SC_DO_NOTHING);
     ///////////////////////////////////////////////////////////////////////////
-    // create global CCI broker
-    ///////////////////////////////////////////////////////////////////////////
-    cci::cci_register_broker(new cci_utils::broker("Global Broker"));
-    ///////////////////////////////////////////////////////////////////////////
     // CLI argument parsing & logging setup
     ///////////////////////////////////////////////////////////////////////////
     CLIParser parser(argc, argv);
@@ -74,7 +72,9 @@ int sc_main(int argc, char *argv[]) {
     ///////////////////////////////////////////////////////////////////////////
     // set up infrastructure
     ///////////////////////////////////////////////////////////////////////////
+#ifdef WITH_LLVM
     iss::init_jit_debug(argc, argv);
+#endif
     ///////////////////////////////////////////////////////////////////////////
     // set up configuration
     ///////////////////////////////////////////////////////////////////////////

platform/src/sysc/clint.cpp

@@ -117,11 +117,11 @@ void clint::update_mtime(bool force) {
                 if (regs->r_mtimecmp > regs->r_mtime && clk > sc_core::SC_ZERO_TIME) {
                     sc_core::sc_time next_trigger =
                         (clk * lfclk_mutiplier) * (regs->r_mtimecmp - regs->r_mtime) - cnt_fraction * clk;
-                    SCTRACE() << "Timer fires at " << sc_time_stamp() + next_trigger;
+                    SCCTRACE() << "Timer fires at " << sc_time_stamp() + next_trigger;
                     mtime_evt.notify(next_trigger);
                     mtime_int_o.write(false);
                 } else {
-                    SCTRACE() << "Timer fired at " << sc_time_stamp();
+                    SCCTRACE() << "Timer fired at " << sc_time_stamp();
                     mtime_int_o.write(true);
                 }
         }

platform/src/sysc/gpio.cpp

@@ -111,7 +111,7 @@ gpio::~gpio() = default;
 
 void gpio::before_end_of_elaboration() {
     if (write_to_ws.get_value()) {
-        SCTRACE() << "Adding WS handler for " << (std::string{"/ws/"} + name());
+        SCCTRACE() << "Adding WS handler for " << (std::string{"/ws/"} + name());
         handler = std::make_shared<WsHandler>();
         sc_comm_singleton::inst().registerWebSocketHandler((std::string{"/ws/"} + name()).c_str(), handler);
     }

platform/src/sysc/mcp_adc.cpp

@@ -86,7 +86,7 @@ void mcp_3008::do_conversion() {
             auto inp = ch_i[channel].read();
             auto norm = 1024.0 * inp / vref;
             auto res = static_cast<int>(norm);
-            SCDEBUG(this->name()) << "Converting " << inp << " to " << norm << " as int " << res;
+            SCCDEBUG(this->name()) << "Converting " << inp << " to " << norm << " as int " << res;
             tx_bytes[1] = bit_sub<8, 2>(res);
             tx_bytes[2] = bit_sub<0, 8>(res);
         } else {
@@ -176,7 +176,7 @@ void mcp_3208::do_conversion() {
             auto inp = ch_i[channel].read();
             auto norm = 4096.0 * inp / vref;
             auto res = static_cast<int>(norm);
-            SCDEBUG(this->name()) << "Converting channel " << channel << " " << inp << "V to " << norm << " as int "
+            SCCDEBUG(this->name()) << "Converting channel " << channel << " " << inp << "V to " << norm << " as int "
                                   << res;
             tx_bytes[1] = bit_sub<8, 4>(res);
             tx_bytes[2] = bit_sub<0, 8>(res);

platform/src/sysc/plic.cpp

@@ -111,7 +111,7 @@ void plic::global_int_port_cb() {
         if (enable && global_interrupts_i[i].read() == 1) {
             regs->r_pending[reg_idx] = regs->r_pending[reg_idx] | (0x1 << bit_ofs);
             handle_pending = true;
-            SCDEBUG(this->name()) << "pending interrupt identified: " << i;
+            SCCDEBUG(this->name()) << "pending interrupt identified: " << i;
         }
     }
 
@@ -138,7 +138,7 @@ void plic::handle_pending_int() {
                 claim_prio = prio;
                 claim_int = i;
                 raise_int = true;
-                SCDEBUG(this->name()) << "pending interrupt activated: " << i;
+                SCCDEBUG(this->name()) << "pending interrupt activated: " << i;
             }
         }
     }
@@ -149,14 +149,14 @@ void plic::handle_pending_int() {
         // todo: evluate clock period
     } else {
         regs->r_claim_complete = 0;
-        SCDEBUG(this->name()) << "no further pending interrupt.";
+        SCCDEBUG(this->name()) << "no further pending interrupt.";
     }
 }
 
 void plic::reset_pending_int(uint32_t irq) {
     // todo: evaluate enable register (see spec)
     // todo: make sure that pending is set, otherwise don't reset irq ... read spec.
-    SCTRACE(this->name()) << "reset pending interrupt: " << irq;
+    SCCTRACE(this->name()) << "reset pending interrupt: " << irq;
     // reset related pending bit
     auto reg_idx = irq >> 5;
     auto bit_ofs = irq & 0x1F;

platform/src/sysc/terminal.cpp

@@ -57,7 +57,7 @@ terminal::~terminal() = default;
 
 void terminal::before_end_of_elaboration() {
     if (write_to_ws.get_value()) {
-        SCTRACE() << "Adding WS handler for " << (std::string{"/ws/"} + name());
+        SCCTRACE() << "Adding WS handler for " << (std::string{"/ws/"} + name());
         handler = std::make_shared<WsHandler>();
         sc_comm_singleton::inst().registerWebSocketHandler((std::string{"/ws/"} + name()).c_str(), handler);
     }
@@ -80,7 +80,7 @@ void terminal::receive(tlm::tlm_signal_gp<sc_dt::sc_logic> &gp, sc_core::sc_time
                     this->handler->send(os.str());
                 });
             else
-                SCINFO(this->name()) << " receive: '" << msg << "'";
+                SCCINFO(this->name()) << " receive: '" << msg << "'";
             queue.clear();
         }
     }