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			msvc_compa
		
	
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| c8679fca85 | |||
| f0ada1ba8c | |||
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| 2f05083cf0 | |||
| e934049dd4 | |||
|   | 94f796ebdb | ||
| 836ba269e3 | |||
| c8681096be | |||
| adeffe47ad | |||
| d95846a849 | |||
| af887c286f | |||
| 4ddf50162c | |||
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| 5ef5d57d30 | |||
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| 15f46a87db | |||
| fc1ae4d57d | 
							
								
								
									
										146
									
								
								CMakeLists.txt
									
									
									
									
									
								
							
							
						
						
									
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								CMakeLists.txt
									
									
									
									
									
								
							| @@ -1,12 +1,13 @@ | ||||
| cmake_minimum_required(VERSION 3.12) | ||||
|  | ||||
| project(dbt-core-tgc VERSION 1.0.0) | ||||
| ############################################################################### | ||||
| # | ||||
| ############################################################################### | ||||
| project(dbt-rise-tgc VERSION 1.0.0) | ||||
|  | ||||
| include(GNUInstallDirs) | ||||
|  | ||||
| conan_basic_setup() | ||||
| find_package(elfio) | ||||
|  | ||||
| find_package(Boost COMPONENTS program_options system thread filesystem REQUIRED) | ||||
| if(WITH_LLVM) | ||||
|     if(DEFINED ENV{LLVM_HOME}) | ||||
|         find_path (LLVM_DIR LLVM-Config.cmake $ENV{LLVM_HOME}/lib/cmake/llvm) | ||||
| @@ -47,54 +48,56 @@ if(WITH_LLVM) | ||||
| endif() | ||||
|  | ||||
| # Define the library | ||||
| add_library(${PROJECT_NAME} SHARED ${LIB_SOURCES}) | ||||
| add_library(${PROJECT_NAME} ${LIB_SOURCES}) | ||||
| # list code gen dependencies | ||||
| if(TARGET ${CORE_NAME}_cpp) | ||||
|     add_dependencies(${PROJECT_NAME} ${CORE_NAME}_cpp) | ||||
| endif() | ||||
|  | ||||
| target_compile_options(${PROJECT_NAME} PRIVATE -Wno-shift-count-overflow) | ||||
| if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") | ||||
|      target_compile_options(${PROJECT_NAME} PRIVATE -Wno-shift-count-overflow) | ||||
| elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC") | ||||
|     target_compile_options(${PROJECT_NAME} PRIVATE /wd4293) | ||||
| endif() | ||||
| target_include_directories(${PROJECT_NAME} PUBLIC incl) | ||||
| target_link_libraries(${PROJECT_NAME} PUBLIC softfloat scc-util jsoncpp) | ||||
| target_link_libraries(${PROJECT_NAME} PUBLIC -Wl,--whole-archive dbt-core -Wl,--no-whole-archive) | ||||
| target_link_libraries(${PROJECT_NAME} PUBLIC ${Boost_LIBRARIES} ) | ||||
| if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") | ||||
|     target_link_libraries(${PROJECT_NAME} PUBLIC -Wl,--whole-archive dbt-core -Wl,--no-whole-archive) | ||||
| else() | ||||
|     target_link_libraries(${PROJECT_NAME} PUBLIC dbt-core) | ||||
| endif() | ||||
| if(TARGET CONAN_PKG::elfio) | ||||
|     target_link_libraries(${PROJECT_NAME} PUBLIC CONAN_PKG::elfio) | ||||
| elseif(TARGET elfio::elfio) | ||||
|     target_link_libraries(${PROJECT_NAME} PUBLIC elfio::elfio) | ||||
| else() | ||||
|     message(FATAL_ERROR "No elfio library found, maybe a find_package() call is missing") | ||||
| endif() | ||||
|  | ||||
| set_target_properties(${PROJECT_NAME} PROPERTIES | ||||
|   VERSION ${PROJECT_VERSION} | ||||
|   FRAMEWORK FALSE | ||||
|   PUBLIC_HEADER "${LIB_HEADERS}" # specify the public headers | ||||
| ) | ||||
|  | ||||
| if(SystemC_FOUND) | ||||
| 	add_library(${PROJECT_NAME}_sc src/sysc/core_complex.cpp) | ||||
| 	target_compile_definitions(${PROJECT_NAME}_sc PUBLIC WITH_SYSTEMC) | ||||
|     target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_${CORE_NAME}) | ||||
|     if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss/arch/tgc_b.h) | ||||
|         target_compile_definitions(${PROJECT_NAME}_sc PRIVATE CORE_TGC_B) | ||||
|     endif() | ||||
| 	if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss/arch/tgc_c.h) | ||||
|         target_compile_definitions(${PROJECT_NAME}_sc PRIVATE CORE_TGC_C) | ||||
|     endif() | ||||
|     if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss/arch/tgc_d.h) | ||||
|         target_compile_definitions(${PROJECT_NAME}_sc PRIVATE CORE_TGC_D) | ||||
|     endif() | ||||
| 	target_include_directories(${PROJECT_NAME}_sc PUBLIC ../incl ${SystemC_INCLUDE_DIRS} ${CCI_INCLUDE_DIRS}) | ||||
| 	 | ||||
| 	if(SCV_FOUND)    | ||||
| 	    target_compile_definitions(${PROJECT_NAME}_sc PUBLIC WITH_SCV) | ||||
| 	    target_include_directories(${PROJECT_NAME}_sc PUBLIC ${SCV_INCLUDE_DIRS}) | ||||
| 	endif() | ||||
| 	target_link_libraries(${PROJECT_NAME}_sc PUBLIC ${PROJECT_NAME} scc) | ||||
| 	if(WITH_LLVM) | ||||
| 		target_link_libraries(${PROJECT_NAME}_sc PUBLIC ${llvm_libs}) | ||||
| 	endif() | ||||
| 	set_target_properties(${PROJECT_NAME}_sc PROPERTIES | ||||
| 	  VERSION ${PROJECT_VERSION} | ||||
| 	  FRAMEWORK FALSE | ||||
| 	  PUBLIC_HEADER "${LIB_HEADERS}" # specify the public headers | ||||
| install(TARGETS ${PROJECT_NAME} COMPONENT ${PROJECT_NAME} | ||||
|   EXPORT ${PROJECT_NAME}Targets            # for downstream dependencies | ||||
|   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}  # static lib | ||||
|   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}  # binaries | ||||
|   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}  # shared lib | ||||
|   FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR} # for mac | ||||
|   PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME} # headers for mac (note the different component -> different package) | ||||
|   INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}             # headers | ||||
| ) | ||||
| install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss COMPONENT ${PROJECT_NAME} | ||||
|         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} # target directory | ||||
|         FILES_MATCHING # install only matched files | ||||
|         PATTERN "*.h" # select header files | ||||
|         ) | ||||
| endif() | ||||
|  | ||||
| ############################################################################### | ||||
| # | ||||
| ############################################################################### | ||||
| project(tgc-sim) | ||||
| find_package(Boost COMPONENTS program_options thread REQUIRED) | ||||
|  | ||||
| add_executable(${PROJECT_NAME} src/main.cpp) | ||||
| # This sets the include directory for the reference project. This is the -I flag in gcc. | ||||
| target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_${CORE_NAME}) | ||||
| @@ -103,19 +106,64 @@ if(WITH_LLVM) | ||||
|     target_link_libraries(${PROJECT_NAME} PUBLIC ${llvm_libs}) | ||||
| endif() | ||||
| # Links the target exe against the libraries | ||||
| target_link_libraries(${PROJECT_NAME} dbt-core-tgc) | ||||
| target_link_libraries(${PROJECT_NAME} jsoncpp) | ||||
| target_link_libraries(${PROJECT_NAME} ${Boost_LIBRARIES} ) | ||||
| target_link_libraries(${PROJECT_NAME} PUBLIC dbt-rise-tgc) | ||||
| if(TARGET Boost::program_options) | ||||
|     target_link_libraries(${PROJECT_NAME} PUBLIC Boost::program_options Boost::thread) | ||||
| else() | ||||
|     target_link_libraries(${PROJECT_NAME} PUBLIC ${BOOST_program_options_LIBRARY} ${BOOST_thread_LIBRARY}) | ||||
| endif() | ||||
| target_link_libraries(${PROJECT_NAME} PUBLIC ${CMAKE_DL_LIBS}) | ||||
| if (Tcmalloc_FOUND) | ||||
|     target_link_libraries(${PROJECT_NAME} ${Tcmalloc_LIBRARIES}) | ||||
|     target_link_libraries(${PROJECT_NAME} PUBLIC ${Tcmalloc_LIBRARIES}) | ||||
| endif(Tcmalloc_FOUND) | ||||
|  | ||||
| install(TARGETS dbt-core-tgc tgc-sim | ||||
| install(TARGETS tgc-sim | ||||
|   EXPORT ${PROJECT_NAME}Targets            # for downstream dependencies | ||||
|   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) | ||||
|   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}  # static lib | ||||
|   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}  # binaries | ||||
|   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}  # shared lib | ||||
|   FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR} # for mac | ||||
|   PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}  # headers for mac (note the different component -> different package) | ||||
|   INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}             # headers | ||||
| ) | ||||
| ############################################################################### | ||||
| # | ||||
| ############################################################################### | ||||
| project(dbt-rise-tgc_sc VERSION 1.0.0) | ||||
|  | ||||
| include(SystemCPackage) | ||||
| if(SystemC_FOUND) | ||||
|     add_library(${PROJECT_NAME} src/sysc/core_complex.cpp) | ||||
|     target_compile_definitions(${PROJECT_NAME} PUBLIC WITH_SYSTEMC) | ||||
|     target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_${CORE_NAME}) | ||||
|     if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss/arch/tgc_b.h) | ||||
|         target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_TGC_B) | ||||
|     endif() | ||||
|     if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss/arch/tgc_c.h) | ||||
|         target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_TGC_C) | ||||
|     endif() | ||||
|     if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss/arch/tgc_d.h) | ||||
|         target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_TGC_D) | ||||
|     endif() | ||||
|     target_link_libraries(${PROJECT_NAME} PUBLIC dbt-rise-tgc scc) | ||||
|     if(WITH_LLVM) | ||||
|         target_link_libraries(${PROJECT_NAME} PUBLIC ${llvm_libs}) | ||||
|     endif() | ||||
|      | ||||
| 	set(LIB_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/incl/sysc/core_complex.h) | ||||
|     set_target_properties(${PROJECT_NAME} PROPERTIES | ||||
|       VERSION ${PROJECT_VERSION} | ||||
|       FRAMEWORK FALSE | ||||
|       PUBLIC_HEADER "${LIB_HEADERS}" # specify the public headers | ||||
|     ) | ||||
|     install(TARGETS ${PROJECT_NAME} COMPONENT ${PROJECT_NAME} | ||||
| 	  EXPORT ${PROJECT_NAME}Targets            # for downstream dependencies | ||||
| 	  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}  # static lib | ||||
| 	  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}  # binaries | ||||
| 	  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}  # shared lib | ||||
| 	  FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR} # for mac | ||||
| 	  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/sysc   # headers for mac (note the different component -> different package) | ||||
| 	  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}             # headers | ||||
| 	)     | ||||
| endif() | ||||
|  | ||||
|   | ||||
							
								
								
									
										30
									
								
								contrib/build.tcl
									
									
									
									
									
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										30
									
								
								contrib/build.tcl
									
									
									
									
									
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							| @@ -0,0 +1,30 @@ | ||||
| namespace eval Specification { | ||||
|     proc buildproc { args } { | ||||
|         global env | ||||
|         variable installDir | ||||
|         variable compiler | ||||
|         variable compiler [::scsh::get_backend_compiler] | ||||
|         #  set target $machine | ||||
|         set target [::scsh::machine] | ||||
|         set linkerOptions "" | ||||
|         set preprocessorOptions "" | ||||
|         set libversion $compiler | ||||
|         switch -exact -- $target { | ||||
|             "linux" { | ||||
|             	set install_dir $::env(TGFS_INSTALL_ROOT) | ||||
|                 set incldir "${install_dir}/include" | ||||
|                 set libdir "${install_dir}/lib64" | ||||
|                 set preprocessorOptions [concat $preprocessorOptions "-I${incldir}"] | ||||
|                 # Set the Linker paths. | ||||
|                 set linkerOptions [concat $linkerOptions "-Wl,-rpath,${libdir} -L${libdir} -ldbt-rise-tgc_sc"] | ||||
|             } | ||||
|             default { | ||||
|                puts stderr "ERROR: \"$target\" is not supported, [::scsh::version]" | ||||
|                return | ||||
|             } | ||||
|         } | ||||
|         ::scsh::cwr_append_ipsimbld_opts preprocessor "$preprocessorOptions" | ||||
|         ::scsh::cwr_append_ipsimbld_opts linker       "$linkerOptions" | ||||
|     } | ||||
|     ::scsh::add_build_callback [namespace current]::buildproc | ||||
| } | ||||
							
								
								
									
										4
									
								
								contrib/tgc_import.cc
									
									
									
									
									
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							| @@ -0,0 +1,4 @@ | ||||
|  | ||||
| #include "sysc/core_complex.h" | ||||
|  | ||||
| void modules() { sysc::tgfs::core_complex i_core_complex("core_complex"); } | ||||
							
								
								
									
										50
									
								
								contrib/tgc_import.tcl
									
									
									
									
									
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							| @@ -0,0 +1,50 @@ | ||||
| ############################################################################# | ||||
| # | ||||
| ############################################################################# | ||||
| proc getScriptDirectory {} { | ||||
|     set dispScriptFile [file normalize [info script]] | ||||
|     set scriptFolder [file dirname $dispScriptFile] | ||||
|     return $scriptFolder | ||||
| } | ||||
| if { $::env(SNPS_VP_PRODUCT) == "PAULTRA" } { | ||||
|     set hardware /HARDWARE/HW/HW | ||||
| } else { | ||||
|     set hardware /HARDWARE | ||||
| } | ||||
|  | ||||
| set scriptDir [getScriptDirectory] | ||||
| set top_design_name core_complex | ||||
| set clocks clk_i | ||||
| set resets rst_i | ||||
| set model_prefix "i_" | ||||
| set model_postfix "" | ||||
|  | ||||
| ::pct::new_project | ||||
| ::pct::open_library TLM2_PL | ||||
| ::pct::clear_systemc_defines | ||||
| ::pct::clear_systemc_include_path | ||||
| ::pct::add_to_systemc_include_path $::env(TGFS_INSTALL_ROOT)/include | ||||
| ::pct::set_import_protocol_generation_flag false | ||||
| ::pct::set_update_existing_encaps_flag true | ||||
| ::pct::set_dynamic_port_arrays_flag true | ||||
| ::pct::set_import_scml_properties_flag true | ||||
| ::pct::load_modules --set-category modules tgc_import.cc | ||||
|  | ||||
| # Set Port Protocols correctly | ||||
| set block ${top_design_name} | ||||
| foreach clock ${clocks} { | ||||
| 	::pct::set_block_port_protocol --set-category SYSTEM_LIBRARY:$block/${clock} SYSTEM_LIBRARY:CLOCK | ||||
| } | ||||
| foreach reset ${resets} { | ||||
|     ::pct::set_block_port_protocol --set-category SYSTEM_LIBRARY:$block/${reset} SYSTEM_LIBRARY:RESET | ||||
| } | ||||
| ::pct::set_encap_port_array_size SYSTEM_LIBRARY:$block/local_irq_i 16 | ||||
|  | ||||
| # Set compile settings and look | ||||
| set block SYSTEM_LIBRARY:${top_design_name} | ||||
| ::pct::set_encap_build_script $block/${top_design_name} $scriptDir/build.tcl | ||||
| ::pct::set_background_color_rgb $block 255 255 255 255 | ||||
| ::pct::create_instance SYSTEM_LIBRARY:${top_design_name}  ${hardware} ${model_prefix}${top_design_name}${model_postfix} ${top_design_name}  | ||||
|  | ||||
| # export the result as component | ||||
| ::pct::export_system_library ${top_design_name}  ${top_design_name}.xml | ||||
 Submodule gen_input/CoreDSL-Instruction-Set-Description updated: 98cddb2999...8d9a0fb149
									
								
							| @@ -296,6 +296,10 @@ inline bool is_count_limit_enabled(finish_cond_e cond){ | ||||
|     return (cond & finish_cond_e::COUNT_LIMIT) == finish_cond_e::COUNT_LIMIT; | ||||
| } | ||||
|  | ||||
| inline bool is_jump_to_self_enabled(finish_cond_e cond){ | ||||
|     return (cond & finish_cond_e::JUMP_TO_SELF) == finish_cond_e::JUMP_TO_SELF; | ||||
| } | ||||
|  | ||||
| template <typename ARCH> | ||||
| typename vm_impl<ARCH>::compile_func vm_impl<ARCH>::decode_inst(code_word_t instr){ | ||||
|     for(auto& e: qlut[instr&0x3]){ | ||||
| @@ -307,7 +311,6 @@ typename vm_impl<ARCH>::compile_func vm_impl<ARCH>::decode_inst(code_word_t inst | ||||
| template <typename ARCH> | ||||
| typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit){ | ||||
|     // we fetch at max 4 byte, alignment is 2 | ||||
|     enum {TRAP_ID=1<<16}; | ||||
|     code_word_t insn = 0; | ||||
|     auto *const data = (uint8_t *)&insn; | ||||
|     auto pc=start; | ||||
| @@ -315,15 +318,15 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co | ||||
|             !(is_count_limit_enabled(cond) && this->core.get_icount() >= icount_limit)){ | ||||
|         auto res = fetch_ins(pc, data); | ||||
|         if(res!=iss::Ok){ | ||||
|             auto new_pc = super::core.enter_trap(TRAP_ID, pc.val, 0); | ||||
|             res = fetch_ins(virt_addr_t{access_type::FETCH, new_pc}, data); | ||||
|             if(res!=iss::Ok) throw simulation_stopped(0); | ||||
|         } | ||||
|         if ((cond & finish_cond_e::JUMP_TO_SELF) == finish_cond_e::JUMP_TO_SELF && | ||||
|             this->do_sync(POST_SYNC, std::numeric_limits<unsigned>::max()); | ||||
|             pc.val = super::core.enter_trap(std::numeric_limits<uint64_t>::max(), pc.val, 0); | ||||
|         } else { | ||||
|             if (is_jump_to_self_enabled(cond) && | ||||
|                     (insn == 0x0000006f || (insn&0xffff)==0xa001)) throw simulation_stopped(0); // 'J 0' or 'C.J 0' | ||||
|             auto f = decode_inst(insn); | ||||
|             pc = (this->*f)(pc, insn); | ||||
|         } | ||||
|     } | ||||
|     return pc; | ||||
| } | ||||
|  | ||||
|   | ||||
| @@ -104,12 +104,19 @@ enum riscv_csr { | ||||
|     mie = 0x304, | ||||
|     mtvec = 0x305, | ||||
|     mcounteren = 0x306, | ||||
|     mtvt = 0x307, //CLIC | ||||
|     // Machine Trap Handling | ||||
|     mscratch = 0x340, | ||||
|     mepc = 0x341, | ||||
|     mcause = 0x342, | ||||
|     mtval = 0x343, | ||||
|     mip = 0x344, | ||||
|     mxnti = 0x345, //CLIC | ||||
|     mintstatus   = 0x346, // MRW Current interrupt levels (CLIC) - addr subject to change | ||||
|     mscratchcsw  = 0x348, // MRW Conditional scratch swap on priv mode change (CLIC) | ||||
|     mscratchcswl = 0x349, // MRW Conditional scratch swap on level change (CLIC) | ||||
|     mintthresh   = 0x350, // MRW Interrupt-level threshold (CLIC) - addr subject to change | ||||
|     mclicbase    = 0x351, // MRW Base address for CLIC memory mapped registers (CLIC) - addr subject to change | ||||
|     // Physical Memory Protection | ||||
|     pmpcfg0 = 0x3A0, | ||||
|     pmpcfg1 = 0x3A1, | ||||
|   | ||||
| @@ -280,16 +280,17 @@ private: | ||||
|     iss::status write_cycle(unsigned addr, reg_t val); | ||||
|     iss::status read_instret(unsigned addr, reg_t &val); | ||||
|     iss::status write_instret(unsigned addr, reg_t val); | ||||
|     iss::status read_mtvec(unsigned addr, reg_t &val); | ||||
|     iss::status read_tvec(unsigned addr, reg_t &val); | ||||
|     iss::status read_time(unsigned addr, reg_t &val); | ||||
|     iss::status read_status(unsigned addr, reg_t &val); | ||||
|     iss::status write_status(unsigned addr, reg_t val); | ||||
|     iss::status write_cause(unsigned addr, reg_t val); | ||||
|     iss::status read_ie(unsigned addr, reg_t &val); | ||||
|     iss::status write_ie(unsigned addr, reg_t val); | ||||
|     iss::status read_ip(unsigned addr, reg_t &val); | ||||
|     iss::status write_ip(unsigned addr, reg_t val); | ||||
|     iss::status read_hartid(unsigned addr, reg_t &val); | ||||
|     iss::status write_mepc(unsigned addr, reg_t val); | ||||
|     iss::status write_epc(unsigned addr, reg_t val); | ||||
|  | ||||
|     reg_t mhartid_reg{0x0}; | ||||
|     std::function<iss::status(phys_addr_t, unsigned, uint8_t *const)>mem_read_cb; | ||||
| @@ -353,6 +354,9 @@ riscv_hart_m_p<BASE>::riscv_hart_m_p() | ||||
|     csr_wr_cb[minstreth] = &this_class::write_instret; | ||||
|     csr_rd_cb[mstatus] = &this_class::read_status; | ||||
|     csr_wr_cb[mstatus] = &this_class::write_status; | ||||
|     csr_wr_cb[mcause] = &this_class::write_cause; | ||||
|     csr_rd_cb[mtvec] = &this_class::read_tvec; | ||||
|     csr_wr_cb[mepc] = &this_class::write_epc; | ||||
|     csr_rd_cb[mip] = &this_class::read_ip; | ||||
|     csr_wr_cb[mip] = &this_class::write_ip; | ||||
|     csr_rd_cb[mie] = &this_class::read_ie; | ||||
| @@ -360,8 +364,6 @@ riscv_hart_m_p<BASE>::riscv_hart_m_p() | ||||
|     csr_rd_cb[mhartid] = &this_class::read_hartid; | ||||
|     csr_rd_cb[mcounteren] = &this_class::read_null; | ||||
|     csr_wr_cb[mcounteren] = &this_class::write_null; | ||||
|     csr_rd_cb[mtvec] = &this_class::read_mtvec; | ||||
|     csr_wr_cb[mepc] = &this_class::write_mepc; | ||||
|     csr_wr_cb[misa] = &this_class::write_null; | ||||
|     csr_wr_cb[mvendorid] = &this_class::write_null; | ||||
|     csr_wr_cb[marchid] = &this_class::write_null; | ||||
| @@ -386,6 +388,7 @@ template <typename BASE> std::pair<uint64_t, bool> riscv_hart_m_p<BASE>::load_fi | ||||
|                 if (sizeof(reg_t) == 4) throw std::runtime_error("wrong elf class in file"); | ||||
|             if (reader.get_type() != ET_EXEC) throw std::runtime_error("wrong elf type in file"); | ||||
|             if (reader.get_machine() != EM_RISCV) throw std::runtime_error("wrong elf machine in file"); | ||||
|             auto entry = reader.get_entry(); | ||||
|             for (const auto pseg : reader.segments) { | ||||
|                 const auto fsize = pseg->get_file_size(); // 0x42c/0x0 | ||||
|                 const auto seg_data = pseg->get_data(); | ||||
| @@ -394,18 +397,39 @@ template <typename BASE> std::pair<uint64_t, bool> riscv_hart_m_p<BASE>::load_fi | ||||
|                             traits<BASE>::MEM, pseg->get_physical_address(), | ||||
|                             fsize, reinterpret_cast<const uint8_t *const>(seg_data)); | ||||
|                     if (res != iss::Ok) | ||||
|                         LOG(ERROR) << "problem writing " << fsize << "bytes to 0x" << std::hex | ||||
|                         LOG(ERR) << "problem writing " << fsize << "bytes to 0x" << std::hex | ||||
|                                    << pseg->get_physical_address(); | ||||
|                 } | ||||
|             } | ||||
|             for (const auto sec : reader.sections) { | ||||
|                 if (sec->get_name() == ".tohost") { | ||||
|             for(const auto sec : reader.sections) { | ||||
|                 if(sec->get_name() == ".symtab") { | ||||
|                     if ( SHT_SYMTAB == sec->get_type() || | ||||
|                             SHT_DYNSYM == sec->get_type() ) { | ||||
|                         ELFIO::symbol_section_accessor symbols( reader, sec ); | ||||
|                         auto sym_no = symbols.get_symbols_num(); | ||||
|                         std::string   name; | ||||
|                         ELFIO::Elf64_Addr    value   = 0; | ||||
|                         ELFIO::Elf_Xword     size    = 0; | ||||
|                         unsigned char bind    = 0; | ||||
|                         unsigned char type    = 0; | ||||
|                         ELFIO::Elf_Half      section = 0; | ||||
|                         unsigned char other   = 0; | ||||
|                         for ( auto i = 0U; i < sym_no; ++i ) { | ||||
|                             symbols.get_symbol( i, name, value, size, bind, type, section, other ); | ||||
|                             if(name=="tohost") { | ||||
|                                 tohost = value; | ||||
|                             } else if(name=="fromhost") { | ||||
|                                 fromhost = value; | ||||
|                             } | ||||
|                         } | ||||
|                     } | ||||
|                 } else if (sec->get_name() == ".tohost") { | ||||
|                     tohost = sec->get_address(); | ||||
|                     fromhost = tohost + 0x40; | ||||
|                 } | ||||
|             } | ||||
|  | ||||
|             return std::make_pair(reader.get_entry(), true); | ||||
|             } | ||||
|             return std::make_pair(entry, true); | ||||
|         } | ||||
|         throw std::runtime_error("memory load file is not a valid elf file"); | ||||
|     } | ||||
| @@ -517,7 +541,7 @@ iss::status riscv_hart_m_p<BASE>::write(const address_type type, const access_ty | ||||
|                 return iss::Err; | ||||
|             } | ||||
|             try { | ||||
|                 if(length>1 && (addr&(length-1))){ | ||||
|                 if(!(access && iss::access_type::DEBUG) &&  length>1 && (addr&(length-1))){ | ||||
|                     this->reg.trap_state = 1<<31 | 6<<16; | ||||
|                     fault_data=addr; | ||||
|                     return iss::Err; | ||||
| @@ -700,7 +724,7 @@ template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_time(unsigned ad | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_mtvec(unsigned addr, reg_t &val) { | ||||
| template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_tvec(unsigned addr, reg_t &val) { | ||||
|     val = csr[mtvec] & ~2; | ||||
|     return iss::Ok; | ||||
| } | ||||
| @@ -716,6 +740,11 @@ template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_status(unsigned | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_cause(unsigned addr, reg_t val) { | ||||
|     csr[mcause] = val & ((1UL<<(traits<BASE>::XLEN-1))|0xf); //TODO: make exception code size configurable | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_ie(unsigned addr, reg_t &val) { | ||||
|     val = csr[mie]; | ||||
|     return iss::Ok; | ||||
| @@ -746,7 +775,7 @@ template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_ip(unsigned add | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_mepc(unsigned addr, reg_t val) { | ||||
| template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_epc(unsigned addr, reg_t val) { | ||||
|     csr[addr] = val & get_pc_mask(); | ||||
|     return iss::Ok; | ||||
| } | ||||
| @@ -919,7 +948,11 @@ template <typename BASE> uint64_t riscv_hart_m_p<BASE>::enter_trap(uint64_t flag | ||||
|     this->reg.PRIV = PRIV_M; | ||||
|     this->reg.trap_state = 0; | ||||
|     std::array<char, 32> buffer; | ||||
| #if defined(_MSC_VER) | ||||
|     sprintf(buffer.data(), "0x%016llx", addr); | ||||
| #else | ||||
|     sprintf(buffer.data(), "0x%016lx", addr); | ||||
| #endif | ||||
|     if((flags&0xffffffff) != 0xffffffff) | ||||
|     CLOG(INFO, disass) << (trap_id ? "Interrupt" : "Trap") << " with cause '" | ||||
|                        << (trap_id ? irq_str[cause] : trap_str[cause]) << "' (" << cause << ")" | ||||
|   | ||||
| @@ -392,6 +392,7 @@ private: | ||||
|     iss::status read_time(unsigned addr, reg_t &val); | ||||
|     iss::status read_status(unsigned addr, reg_t &val); | ||||
|     iss::status write_status(unsigned addr, reg_t val); | ||||
|     iss::status write_cause(unsigned addr, reg_t val); | ||||
|     iss::status read_ie(unsigned addr, reg_t &val); | ||||
|     iss::status write_ie(unsigned addr, reg_t val); | ||||
|     iss::status read_ip(unsigned addr, reg_t &val); | ||||
| @@ -442,7 +443,12 @@ riscv_hart_msu_vp<BASE>::riscv_hart_msu_vp() | ||||
|         //csr_wr_cb[addr] = &this_class::write_reg; | ||||
|     } | ||||
|     // common regs | ||||
|     const std::array<unsigned, 10> addrs{{misa, mvendorid, marchid, mimpid, mepc, mtvec, mscratch, mcause, mtval, mscratch}}; | ||||
|     const std::array<unsigned, 22> addrs{{ | ||||
|         misa, mvendorid, marchid, mimpid, | ||||
|         mepc, mtvec, mscratch, mcause, mtval, mscratch, | ||||
|         sepc, stvec, sscratch, scause, stval, sscratch, | ||||
|         uepc, utvec, uscratch, ucause, utval, uscratch | ||||
|     }}; | ||||
|     for(auto addr: addrs) { | ||||
|         csr_rd_cb[addr] = &this_class::read_reg; | ||||
|         csr_wr_cb[addr] = &this_class::write_reg; | ||||
| @@ -465,10 +471,19 @@ riscv_hart_msu_vp<BASE>::riscv_hart_msu_vp() | ||||
|     csr_wr_cb[minstreth] = &this_class::write_instret; | ||||
|     csr_rd_cb[mstatus] = &this_class::read_status; | ||||
|     csr_wr_cb[mstatus] = &this_class::write_status; | ||||
|     csr_wr_cb[mcause] = &this_class::write_cause; | ||||
|     csr_rd_cb[sstatus] = &this_class::read_status; | ||||
|     csr_wr_cb[sstatus] = &this_class::write_status; | ||||
|     csr_wr_cb[scause] = &this_class::write_cause; | ||||
|     csr_rd_cb[ustatus] = &this_class::read_status; | ||||
|     csr_wr_cb[ustatus] = &this_class::write_status; | ||||
|     csr_wr_cb[ucause] = &this_class::write_cause; | ||||
|     csr_rd_cb[mtvec] = &this_class::read_tvec; | ||||
|     csr_rd_cb[stvec] = &this_class::read_tvec; | ||||
|     csr_rd_cb[utvec] = &this_class::read_tvec; | ||||
|     csr_wr_cb[mepc] = &this_class::write_epc; | ||||
|     csr_wr_cb[sepc] = &this_class::write_epc; | ||||
|     csr_wr_cb[uepc] = &this_class::write_epc; | ||||
|     csr_rd_cb[mip] = &this_class::read_ip; | ||||
|     csr_wr_cb[mip] = &this_class::write_ip; | ||||
|     csr_rd_cb[sip] = &this_class::read_ip; | ||||
| @@ -484,8 +499,6 @@ riscv_hart_msu_vp<BASE>::riscv_hart_msu_vp() | ||||
|     csr_rd_cb[mhartid] = &this_class::read_hartid; | ||||
|     csr_rd_cb[mcounteren] = &this_class::read_null; | ||||
|     csr_wr_cb[mcounteren] = &this_class::write_null; | ||||
|     csr_rd_cb[mtvec] = &this_class::read_mtvec; | ||||
|     csr_wr_cb[mepc] = &this_class::write_mepc; | ||||
|     csr_wr_cb[misa] = &this_class::write_null; | ||||
|     csr_wr_cb[mvendorid] = &this_class::write_null; | ||||
|     csr_wr_cb[marchid] = &this_class::write_null; | ||||
| @@ -518,6 +531,7 @@ template <typename BASE> std::pair<uint64_t, bool> riscv_hart_msu_vp<BASE>::load | ||||
|                 if (sizeof(reg_t) == 4) throw std::runtime_error("wrong elf class in file"); | ||||
|             if (reader.get_type() != ET_EXEC) throw std::runtime_error("wrong elf type in file"); | ||||
|             if (reader.get_machine() != EM_RISCV) throw std::runtime_error("wrong elf machine in file"); | ||||
|             auto entry = reader.get_entry(); | ||||
|             for (const auto pseg : reader.segments) { | ||||
|                 const auto fsize = pseg->get_file_size(); // 0x42c/0x0 | ||||
|                 const auto seg_data = pseg->get_data(); | ||||
| @@ -530,14 +544,35 @@ template <typename BASE> std::pair<uint64_t, bool> riscv_hart_msu_vp<BASE>::load | ||||
|                                    << pseg->get_physical_address(); | ||||
|                 } | ||||
|             } | ||||
|             for (const auto sec : reader.sections) { | ||||
|                 if (sec->get_name() == ".tohost") { | ||||
|             for(const auto sec : reader.sections) { | ||||
|                 if(sec->get_name() == ".symtab") { | ||||
|                     if ( SHT_SYMTAB == sec->get_type() || | ||||
|                             SHT_DYNSYM == sec->get_type() ) { | ||||
|                         ELFIO::symbol_section_accessor symbols( reader, sec ); | ||||
|                         auto sym_no = symbols.get_symbols_num(); | ||||
|                         std::string   name; | ||||
|                         ELFIO::Elf64_Addr    value   = 0; | ||||
|                         ELFIO::Elf_Xword     size    = 0; | ||||
|                         unsigned char bind    = 0; | ||||
|                         unsigned char type    = 0; | ||||
|                         ELFIO::Elf_Half      section = 0; | ||||
|                         unsigned char other   = 0; | ||||
|                         for ( auto i = 0U; i < sym_no; ++i ) { | ||||
|                             symbols.get_symbol( i, name, value, size, bind, type, section, other ); | ||||
|                             if(name=="tohost") { | ||||
|                                 tohost = value; | ||||
|                             } else if(name=="fromhost") { | ||||
|                                 fromhost = value; | ||||
|                             } | ||||
|                         } | ||||
|                     } | ||||
|                 } else if (sec->get_name() == ".tohost") { | ||||
|                     tohost = sec->get_address(); | ||||
|                     fromhost = tohost + 0x40; | ||||
|                 } | ||||
|             } | ||||
|  | ||||
|             return std::make_pair(reader.get_entry(), true); | ||||
|             } | ||||
|             return std::make_pair(entry, true); | ||||
|         } | ||||
|         throw std::runtime_error("memory load file is not a valid elf file"); | ||||
|     } | ||||
| @@ -859,8 +894,8 @@ template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_time(unsigned ad | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_mtvec(unsigned addr, reg_t &val) { | ||||
|     val = csr[mtvec] & ~2; | ||||
| template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_tvec(unsigned addr, reg_t &val) { | ||||
|     val = csr[addr] & ~2; | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| @@ -878,6 +913,11 @@ template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::write_status(unsig | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::write_cause(unsigned addr, reg_t val) { | ||||
|     csr[addr] = val & ((1UL<<(traits<BASE>::XLEN-1))|0xf); //TODO: make exception code size configurable | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::read_ie(unsigned addr, reg_t &val) { | ||||
|     val = csr[mie]; | ||||
|     if (addr < mie) val &= csr[mideleg]; | ||||
| @@ -914,9 +954,8 @@ template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::write_ip(unsigned | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_mepc(unsigned addr, reg_t val) { | ||||
|     auto mask = get_pc_mask(); | ||||
|     csr[addr] = val;//(csr[addr] & ~mask) | (val & mask); | ||||
| template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_epc(unsigned addr, reg_t val) { | ||||
|      csr[addr] = val & get_pc_mask(); | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| @@ -1279,9 +1318,6 @@ template <typename BASE> uint64_t riscv_hart_msu_vp<BASE>::enter_trap(uint64_t f | ||||
|     // bits in mtvec | ||||
|     this->reg.NEXT_PC = ivec & ~0x3UL; | ||||
|     if ((ivec & 0x1) == 1 && trap_id != 0) this->reg.NEXT_PC += 4 * cause; | ||||
|     // reset trap state | ||||
|     this->reg.PRIV = new_priv; | ||||
|     this->reg.trap_state = 0; | ||||
|     std::array<char, 32> buffer; | ||||
|     sprintf(buffer.data(), "0x%016lx", addr); | ||||
|     if((flags&0xffffffff) != 0xffffffff) | ||||
| @@ -1289,6 +1325,9 @@ template <typename BASE> uint64_t riscv_hart_msu_vp<BASE>::enter_trap(uint64_t f | ||||
|                        << (trap_id ? irq_str[cause] : trap_str[cause]) << "' (" << cause << ")" | ||||
|                        << " at address " << buffer.data() << " occurred, changing privilege level from " | ||||
|                        << lvl[cur_priv] << " to " << lvl[new_priv]; | ||||
|     // reset trap state | ||||
|     this->reg.PRIV = new_priv; | ||||
|     this->reg.trap_state = 0; | ||||
|     update_vm_info(); | ||||
|     return this->reg.NEXT_PC; | ||||
| } | ||||
|   | ||||
| @@ -66,7 +66,7 @@ | ||||
| namespace iss { | ||||
| namespace arch { | ||||
|  | ||||
| enum features_e{FEAT_NONE, FEAT_PMP, FEAT_EXT_N}; | ||||
| enum features_e{FEAT_NONE, FEAT_PMP, FEAT_EXT_N, FEAT_CLIC}; | ||||
|  | ||||
| template <typename BASE, features_e FEAT=FEAT_NONE> class riscv_hart_mu_p : public BASE { | ||||
| protected: | ||||
| @@ -183,10 +183,10 @@ public: | ||||
|     }; | ||||
|     using hart_state_type = hart_state<reg_t>; | ||||
|  | ||||
|     constexpr reg_t get_irq_mask(size_t mode) { | ||||
|     constexpr reg_t get_irq_wrmask(size_t mode) { | ||||
|         std::array<const reg_t, 4> m = {{ | ||||
|             0b000100010001, // U mode | ||||
|             0,              // S mode | ||||
|             0b001100110011, // S mode | ||||
|             0, | ||||
|             0b100110011001  // M mode | ||||
|         }}; | ||||
| @@ -263,6 +263,9 @@ protected: | ||||
|     virtual iss::status read_mem(phys_addr_t addr, unsigned length, uint8_t *const data); | ||||
|     virtual iss::status write_mem(phys_addr_t addr, unsigned length, const uint8_t *const data); | ||||
|  | ||||
|     iss::status read_clic(uint64_t addr, unsigned length, uint8_t *const data); | ||||
|     iss::status write_clic(uint64_t addr, unsigned length, const uint8_t *const data); | ||||
|  | ||||
|     virtual iss::status read_csr(unsigned addr, reg_t &val); | ||||
|     virtual iss::status write_csr(unsigned addr, reg_t val); | ||||
|  | ||||
| @@ -287,26 +290,44 @@ protected: | ||||
|     std::unordered_map<uint64_t, uint8_t> atomic_reservation; | ||||
|     std::unordered_map<unsigned, rd_csr_f> csr_rd_cb; | ||||
|     std::unordered_map<unsigned, wr_csr_f> csr_wr_cb; | ||||
|     uint8_t clic_cfg_reg{0}; | ||||
|     uint32_t clic_info_reg{0}; | ||||
|     std::array<uint32_t, 32> clic_inttrig_reg; | ||||
|     union clic_int_reg_t { | ||||
|         struct{ | ||||
|             uint8_t ip; | ||||
|             uint8_t ie; | ||||
|             uint8_t attr; | ||||
|             uint8_t ctl; | ||||
|         }; | ||||
|         uint32_t raw; | ||||
|     }; | ||||
|     std::vector<clic_int_reg_t> clic_int_reg; | ||||
|  | ||||
| private: | ||||
|     iss::status read_reg(unsigned addr, reg_t &val); | ||||
|     iss::status write_reg(unsigned addr, reg_t val); | ||||
|     iss::status read_csr_reg(unsigned addr, reg_t &val); | ||||
|     iss::status write_csr_reg(unsigned addr, reg_t val); | ||||
|     iss::status read_null(unsigned addr, reg_t &val); | ||||
|     iss::status write_null(unsigned addr, reg_t val){return iss::status::Ok;} | ||||
|     iss::status read_cycle(unsigned addr, reg_t &val); | ||||
|     iss::status write_cycle(unsigned addr, reg_t val); | ||||
|     iss::status read_instret(unsigned addr, reg_t &val); | ||||
|     iss::status write_instret(unsigned addr, reg_t val); | ||||
|     iss::status read_mtvec(unsigned addr, reg_t &val); | ||||
|     iss::status read_tvec(unsigned addr, reg_t &val); | ||||
|     iss::status read_time(unsigned addr, reg_t &val); | ||||
|     iss::status read_status(unsigned addr, reg_t &val); | ||||
|     iss::status write_status(unsigned addr, reg_t val); | ||||
|     iss::status write_cause(unsigned addr, reg_t val); | ||||
|     iss::status read_ie(unsigned addr, reg_t &val); | ||||
|     iss::status write_ie(unsigned addr, reg_t val); | ||||
|     iss::status read_ip(unsigned addr, reg_t &val); | ||||
|     iss::status write_ip(unsigned addr, reg_t val); | ||||
|     iss::status write_ideleg(unsigned addr, reg_t val); | ||||
|     iss::status write_edeleg(unsigned addr, reg_t val); | ||||
|     iss::status read_hartid(unsigned addr, reg_t &val); | ||||
|     iss::status write_mepc(unsigned addr, reg_t val); | ||||
|     iss::status write_epc(unsigned addr, reg_t val); | ||||
|     iss::status write_intstatus(unsigned addr, reg_t val); | ||||
|     iss::status write_intthresh(unsigned addr, reg_t val); | ||||
|  | ||||
|     reg_t mhartid_reg{0x0}; | ||||
|     std::function<iss::status(phys_addr_t, unsigned, uint8_t *const)>mem_read_cb; | ||||
| @@ -314,6 +335,11 @@ private: | ||||
|  | ||||
| protected: | ||||
|     void check_interrupt(); | ||||
|     bool pmp_check(const access_type type, const uint64_t addr, const unsigned len); | ||||
|     uint64_t clic_base_addr{0}; | ||||
|     unsigned clic_num_irq{0}; | ||||
|     unsigned clic_num_trigger{0}; | ||||
|     unsigned mcause_max_irq{16}; | ||||
| }; | ||||
|  | ||||
| template <typename BASE, features_e FEAT> | ||||
| @@ -323,34 +349,39 @@ riscv_hart_mu_p<BASE, FEAT>::riscv_hart_mu_p() | ||||
|     // reset values | ||||
|     csr[misa] = traits<BASE>::MISA_VAL; | ||||
|     csr[mvendorid] = 0x669; | ||||
|     csr[marchid] = 0x80000003; | ||||
|     csr[marchid] = 0x80000004; | ||||
|     csr[mimpid] = 1; | ||||
|     csr[mclicbase] = 0xc0000000; // TODO: should be taken from YAML file | ||||
|  | ||||
|     uart_buf.str(""); | ||||
|     for (unsigned addr = mhpmcounter3; addr <= mhpmcounter31; ++addr){ | ||||
|         csr_rd_cb[addr] = &this_class::read_null; | ||||
|         csr_wr_cb[addr] = &this_class::write_reg; | ||||
|         csr_wr_cb[addr] = &this_class::write_csr_reg; | ||||
|     } | ||||
|     for (unsigned addr = mhpmcounter3h; addr <= mhpmcounter31h; ++addr){ | ||||
|         csr_rd_cb[addr] = &this_class::read_null; | ||||
|         csr_wr_cb[addr] = &this_class::write_reg; | ||||
|         csr_wr_cb[addr] = &this_class::write_csr_reg; | ||||
|     } | ||||
|     for (unsigned addr = mhpmevent3; addr <= mhpmevent31; ++addr){ | ||||
|         csr_rd_cb[addr] = &this_class::read_null; | ||||
|         csr_wr_cb[addr] = &this_class::write_reg; | ||||
|         csr_wr_cb[addr] = &this_class::write_csr_reg; | ||||
|     } | ||||
|     for (unsigned addr = hpmcounter3; addr <= hpmcounter31; ++addr){ | ||||
|         csr_rd_cb[addr] = &this_class::read_null; | ||||
|     } | ||||
|     for (unsigned addr = hpmcounter3h; addr <= hpmcounter31h; ++addr){ | ||||
|         csr_rd_cb[addr] = &this_class::read_null; | ||||
|         //csr_wr_cb[addr] = &this_class::write_reg; | ||||
|         //csr_wr_cb[addr] = &this_class::write_csr_reg; | ||||
|     } | ||||
|     // common regs | ||||
|     const std::array<unsigned, 10> addrs{{misa, mvendorid, marchid, mimpid, mepc, mtvec, mscratch, mcause, mtval, mscratch}}; | ||||
|     const std::array<unsigned, 14> addrs{{ | ||||
|         misa, mvendorid, marchid, mimpid, | ||||
|         mepc, mtvec, mscratch, mcause, mtval, | ||||
|         uepc, utvec, uscratch, ucause, utval, | ||||
|     }}; | ||||
|     for(auto addr: addrs) { | ||||
|         csr_rd_cb[addr] = &this_class::read_reg; | ||||
|         csr_wr_cb[addr] = &this_class::write_reg; | ||||
|         csr_rd_cb[addr] = &this_class::read_csr_reg; | ||||
|         csr_wr_cb[addr] = &this_class::write_csr_reg; | ||||
|     } | ||||
|     // special handling & overrides | ||||
|     csr_rd_cb[time] = &this_class::read_time; | ||||
| @@ -370,21 +401,16 @@ riscv_hart_mu_p<BASE, FEAT>::riscv_hart_mu_p() | ||||
|     csr_wr_cb[minstreth] = &this_class::write_instret; | ||||
|     csr_rd_cb[mstatus] = &this_class::read_status; | ||||
|     csr_wr_cb[mstatus] = &this_class::write_status; | ||||
|     csr_rd_cb[ustatus] = &this_class::read_status; | ||||
|     csr_wr_cb[ustatus] = &this_class::write_status; | ||||
|     csr_wr_cb[mcause] = &this_class::write_cause; | ||||
|     csr_rd_cb[mtvec] = &this_class::read_tvec; | ||||
|     csr_wr_cb[mepc] = &this_class::write_epc; | ||||
|     csr_rd_cb[mip] = &this_class::read_ip; | ||||
|     csr_wr_cb[mip] = &this_class::write_ip; | ||||
|     csr_rd_cb[uip] = &this_class::read_ip; | ||||
|     csr_wr_cb[uip] = &this_class::write_ip; | ||||
|     csr_rd_cb[mie] = &this_class::read_ie; | ||||
|     csr_wr_cb[mie] = &this_class::write_ie; | ||||
|     csr_rd_cb[uie] = &this_class::read_ie; | ||||
|     csr_wr_cb[uie] = &this_class::write_ie; | ||||
|     csr_rd_cb[mhartid] = &this_class::read_hartid; | ||||
|     csr_rd_cb[mcounteren] = &this_class::read_null; | ||||
|     csr_wr_cb[mcounteren] = &this_class::write_null; | ||||
|     csr_rd_cb[mtvec] = &this_class::read_mtvec; | ||||
|     csr_wr_cb[mepc] = &this_class::write_mepc; | ||||
|     csr_wr_cb[misa] = &this_class::write_null; | ||||
|     csr_wr_cb[mvendorid] = &this_class::write_null; | ||||
|     csr_wr_cb[marchid] = &this_class::write_null; | ||||
| @@ -392,19 +418,51 @@ riscv_hart_mu_p<BASE, FEAT>::riscv_hart_mu_p() | ||||
|  | ||||
|     if(FEAT & FEAT_PMP){ | ||||
|         for(size_t i=pmpaddr0; i<=pmpaddr15; ++i){ | ||||
|             csr_rd_cb[i] = &this_class::read_reg; | ||||
|             csr_wr_cb[i] = &this_class::write_reg; | ||||
|             csr_rd_cb[i] = &this_class::read_csr_reg; | ||||
|             csr_wr_cb[i] = &this_class::write_csr_reg; | ||||
|         } | ||||
|         for(size_t i=pmpcfg0; i<=pmpcfg3; ++i){ | ||||
|             csr_rd_cb[i] = &this_class::read_reg; | ||||
|             csr_wr_cb[i] = &this_class::write_reg; | ||||
|             csr_rd_cb[i] = &this_class::read_csr_reg; | ||||
|             csr_wr_cb[i] = &this_class::write_csr_reg; | ||||
|         } | ||||
|     } | ||||
|     if(FEAT & FEAT_EXT_N){ | ||||
|         csr_rd_cb[mideleg] = &this_class::read_reg; | ||||
|         csr_wr_cb[mideleg] = &this_class::write_reg; | ||||
|         csr_rd_cb[medeleg] = &this_class::read_reg; | ||||
|         csr_wr_cb[medeleg] = &this_class::write_reg; | ||||
|         csr_rd_cb[mideleg] = &this_class::read_csr_reg; | ||||
|         csr_wr_cb[mideleg] = &this_class::write_ideleg; | ||||
|         csr_rd_cb[medeleg] = &this_class::read_csr_reg; | ||||
|         csr_wr_cb[medeleg] = &this_class::write_edeleg; | ||||
|         csr_rd_cb[uie] = &this_class::read_ie; | ||||
|         csr_wr_cb[uie] = &this_class::write_ie; | ||||
|         csr_rd_cb[uip] = &this_class::read_ip; | ||||
|         csr_wr_cb[uip] = &this_class::write_ip; | ||||
|         csr_wr_cb[uepc] = &this_class::write_epc; | ||||
|         csr_rd_cb[ustatus] = &this_class::read_status; | ||||
|         csr_wr_cb[ustatus] = &this_class::write_status; | ||||
|         csr_wr_cb[ucause] = &this_class::write_cause; | ||||
|         csr_rd_cb[utvec] = &this_class::read_tvec; | ||||
|     } | ||||
|     if(FEAT & FEAT_CLIC) { | ||||
|         csr_rd_cb[mtvt] = &this_class::read_csr_reg; | ||||
|         csr_wr_cb[mtvt] = &this_class::write_csr_reg; | ||||
|         csr_rd_cb[mxnti] = &this_class::read_csr_reg; | ||||
|         csr_wr_cb[mxnti] = &this_class::write_csr_reg; | ||||
|         csr_rd_cb[mintstatus] = &this_class::read_csr_reg; | ||||
|         csr_wr_cb[mintstatus] = &this_class::write_null; | ||||
|         csr_rd_cb[mscratchcsw] = &this_class::read_csr_reg; | ||||
|         csr_wr_cb[mscratchcsw] = &this_class::write_csr_reg; | ||||
|         csr_rd_cb[mscratchcswl] = &this_class::read_csr_reg; | ||||
|         csr_wr_cb[mscratchcswl] = &this_class::write_csr_reg; | ||||
|         csr_rd_cb[mintthresh] = &this_class::read_csr_reg; | ||||
|         csr_wr_cb[mintthresh] = &this_class::write_intthresh; | ||||
|         csr_rd_cb[mclicbase] = &this_class::read_csr_reg; | ||||
|         csr_wr_cb[mclicbase] = &this_class::write_null; | ||||
|  | ||||
|         clic_base_addr=0xC0000000; | ||||
|         clic_num_irq=16; | ||||
|         clic_int_reg.resize(clic_num_irq); | ||||
|         clic_cfg_reg=0x20; | ||||
|         clic_info_reg = (/*CLICINTCTLBITS*/ 4U<<21) + clic_num_irq; | ||||
|         mcause_max_irq=clic_num_irq+16; | ||||
|     } | ||||
| } | ||||
|  | ||||
| @@ -426,6 +484,7 @@ template <typename BASE, features_e FEAT> std::pair<uint64_t, bool> riscv_hart_m | ||||
|                 if (sizeof(reg_t) == 4) throw std::runtime_error("wrong elf class in file"); | ||||
|             if (reader.get_type() != ET_EXEC) throw std::runtime_error("wrong elf type in file"); | ||||
|             if (reader.get_machine() != EM_RISCV) throw std::runtime_error("wrong elf machine in file"); | ||||
|             auto entry = reader.get_entry(); | ||||
|             for (const auto pseg : reader.segments) { | ||||
|                 const auto fsize = pseg->get_file_size(); // 0x42c/0x0 | ||||
|                 const auto seg_data = pseg->get_data(); | ||||
| @@ -438,20 +497,90 @@ template <typename BASE, features_e FEAT> std::pair<uint64_t, bool> riscv_hart_m | ||||
|                                    << pseg->get_physical_address(); | ||||
|                 } | ||||
|             } | ||||
|             for (const auto sec : reader.sections) { | ||||
|                 if (sec->get_name() == ".tohost") { | ||||
|             for(const auto sec : reader.sections) { | ||||
|                 if(sec->get_name() == ".symtab") { | ||||
|                     if ( SHT_SYMTAB == sec->get_type() || | ||||
|                             SHT_DYNSYM == sec->get_type() ) { | ||||
|                         ELFIO::symbol_section_accessor symbols( reader, sec ); | ||||
|                         auto sym_no = symbols.get_symbols_num(); | ||||
|                         std::string   name; | ||||
|                         ELFIO::Elf64_Addr    value   = 0; | ||||
|                         ELFIO::Elf_Xword     size    = 0; | ||||
|                         unsigned char bind    = 0; | ||||
|                         unsigned char type    = 0; | ||||
|                         ELFIO::Elf_Half      section = 0; | ||||
|                         unsigned char other   = 0; | ||||
|                         for ( auto i = 0U; i < sym_no; ++i ) { | ||||
|                             symbols.get_symbol( i, name, value, size, bind, type, section, other ); | ||||
|                             if(name=="tohost") { | ||||
|                                 tohost = value; | ||||
|                             } else if(name=="fromhost") { | ||||
|                                 fromhost = value; | ||||
|                             } | ||||
|                         } | ||||
|                     } | ||||
|                 } else if (sec->get_name() == ".tohost") { | ||||
|                     tohost = sec->get_address(); | ||||
|                     fromhost = tohost + 0x40; | ||||
|                 } | ||||
|             } | ||||
|  | ||||
|             return std::make_pair(reader.get_entry(), true); | ||||
|             } | ||||
|             return std::make_pair(entry, true); | ||||
|         } | ||||
|         throw std::runtime_error("memory load file is not a valid elf file"); | ||||
|     } | ||||
|     throw std::runtime_error("memory load file not found"); | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> bool riscv_hart_mu_p<BASE, FEAT>::pmp_check(const access_type type, const uint64_t addr, const unsigned len) { | ||||
|     constexpr auto PMP_SHIFT=2U; | ||||
|     constexpr auto PMP_R = 0x1U; | ||||
|     constexpr auto PMP_W = 0x2U; | ||||
|     constexpr auto PMP_X = 0x4U; | ||||
|     constexpr auto PMP_A = 0x18U; | ||||
|     constexpr auto PMP_L = 0x80U; | ||||
|     constexpr auto PMP_TOR =0x1U; | ||||
|     constexpr auto PMP_NA4 =0x2U; | ||||
|     constexpr auto PMP_NAPOT =0x3U; | ||||
|     reg_t base = 0; | ||||
|     for (size_t i = 0; i < 16; i++) { | ||||
|         reg_t tor = csr[pmpaddr0+i] << PMP_SHIFT; | ||||
|         uint8_t cfg = csr[pmpcfg0+(i/4)]>>(i%4); | ||||
|         if (cfg & PMP_A) { | ||||
|             auto pmp_a = (cfg & PMP_A) >> 3; | ||||
|             bool is_tor = pmp_a == PMP_TOR; | ||||
|             bool is_na4 = pmp_a == PMP_NA4; | ||||
|  | ||||
|             reg_t mask = (csr[pmpaddr0+i] << 1) | (!is_na4); | ||||
|             mask = ~(mask & ~(mask + 1)) << PMP_SHIFT; | ||||
|  | ||||
|             // Check each 4-byte sector of the access | ||||
|             bool any_match = false; | ||||
|             bool all_match = true; | ||||
|             for (reg_t offset = 0; offset < len; offset += 1 << PMP_SHIFT) { | ||||
|                 reg_t cur_addr = addr + offset; | ||||
|                 bool napot_match = ((cur_addr ^ tor) & mask) == 0; | ||||
|                 bool tor_match = base <= cur_addr && cur_addr < tor; | ||||
|                 bool match = is_tor ? tor_match : napot_match; | ||||
|                 any_match |= match; | ||||
|                 all_match &= match; | ||||
|             } | ||||
|             if (any_match) { | ||||
|                 // If the PMP matches only a strict subset of the access, fail it | ||||
|                 if (!all_match) | ||||
|                     return false; | ||||
|                 return  (this->reg.PRIV == PRIV_M && !(cfg & PMP_L)) || | ||||
|                         (type == access_type::READ && (cfg & PMP_R)) || | ||||
|                         (type == access_type::WRITE && (cfg & PMP_W)) || | ||||
|                         (type == access_type::FETCH && (cfg & PMP_X)); | ||||
|             } | ||||
|         } | ||||
|         base = tor; | ||||
|     } | ||||
|     return this->reg.PRIV == PRIV_M; | ||||
| } | ||||
|  | ||||
|  | ||||
| template <typename BASE, features_e FEAT> | ||||
| iss::status riscv_hart_mu_p<BASE, FEAT>::read(const address_type type, const access_type access, const uint32_t space, | ||||
|         const uint64_t addr, const unsigned length, uint8_t *const data) { | ||||
| @@ -467,6 +596,14 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::read(const address_type type, const acc | ||||
|     try { | ||||
|         switch (space) { | ||||
|         case traits<BASE>::MEM: { | ||||
|             if(FEAT & FEAT_PMP){ | ||||
|                 if(!pmp_check(access, addr, length) && (access&access_type::DEBUG) != access_type::DEBUG) { | ||||
|                     fault_data = addr; | ||||
|                     if (access && iss::access_type::DEBUG) throw trap_access(0, addr); | ||||
|                     this->reg.trap_state = (1 << 31) | ((access==access_type::FETCH?1:5) << 16); // issue trap 1 | ||||
|                     return iss::Err; | ||||
|                 } | ||||
|             } | ||||
|             if (unlikely((access == iss::access_type::FETCH || access == iss::access_type::DEBUG_FETCH) && (addr & 0x1) == 1)) { | ||||
|                 fault_data = addr; | ||||
|                 if (access && iss::access_type::DEBUG) throw trap_access(0, addr); | ||||
| @@ -480,9 +617,13 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::read(const address_type type, const acc | ||||
|                     fault_data=addr; | ||||
|                     return iss::Err; | ||||
|                 } | ||||
|                 auto res = type==iss::address_type::PHYSICAL? | ||||
|                         read_mem( BASE::v2p(phys_addr_t{access, space, addr}), length, data): | ||||
|                         read_mem( BASE::v2p(iss::addr_t{access, type, space, addr}), length, data); | ||||
|                 auto phys_addr = type==iss::address_type::PHYSICAL?phys_addr_t{access, space, addr}:BASE::v2p(iss::addr_t{access, type, space, addr}); | ||||
|                 auto res = iss::Err; | ||||
|                 if((FEAT & FEAT_CLIC) && access != access_type::FETCH && phys_addr.val>=clic_base_addr && (phys_addr.val+length)<=(clic_base_addr+0x5000)){ //TODO: should be a constant | ||||
|                     res = read_clic(phys_addr.val, length, data); | ||||
|                 } else { | ||||
|                     res = read_mem( phys_addr, length, data); | ||||
|                 } | ||||
|                 if (unlikely(res != iss::Ok)){ | ||||
|                     this->reg.trap_state = (1 << 31) | (5 << 16); // issue trap 5 (load access fault | ||||
|                     fault_data=addr; | ||||
| @@ -550,6 +691,14 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::write(const address_type type, const ac | ||||
|     try { | ||||
|         switch (space) { | ||||
|         case traits<BASE>::MEM: { | ||||
|             if(FEAT & FEAT_PMP){ | ||||
|                 if(!pmp_check(access, addr, length) && (access&access_type::DEBUG) != access_type::DEBUG) { | ||||
|                     fault_data = addr; | ||||
|                     if (access && iss::access_type::DEBUG) throw trap_access(0, addr); | ||||
|                     this->reg.trap_state = (1 << 31) | (7 << 16); // issue trap 1 | ||||
|                     return iss::Err; | ||||
|                 } | ||||
|             } | ||||
|             if (unlikely((access && iss::access_type::FETCH) && (addr & 0x1) == 1)) { | ||||
|                 fault_data = addr; | ||||
|                 if (access && iss::access_type::DEBUG) throw trap_access(0, addr); | ||||
| @@ -557,14 +706,14 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::write(const address_type type, const ac | ||||
|                 return iss::Err; | ||||
|             } | ||||
|             try { | ||||
|                 if(length>1 && (addr&(length-1))){ | ||||
|                 if(length>1 && (addr&(length-1)) && (access&access_type::DEBUG) != access_type::DEBUG){ | ||||
|                     this->reg.trap_state = 1<<31 | 6<<16; | ||||
|                     fault_data=addr; | ||||
|                     return iss::Err; | ||||
|                 } | ||||
|                 auto res = type==iss::address_type::PHYSICAL? | ||||
|                         write_mem(phys_addr_t{access, space, addr}, length, data): | ||||
|                         write_mem(BASE::v2p(iss::addr_t{access, type, space, addr}), length, data); | ||||
|                 auto phys_addr = type==iss::address_type::PHYSICAL?phys_addr_t{access, space, addr}:BASE::v2p(iss::addr_t{access, type, space, addr}); | ||||
|                 auto res = ((FEAT & FEAT_CLIC) && phys_addr.val>=clic_base_addr && (phys_addr.val+length)<=(clic_base_addr+0x5000))? //TODO: should be a constant | ||||
|                         write_clic(phys_addr.val, length, data) : write_mem( phys_addr, length, data); | ||||
|                 if (unlikely(res != iss::Ok)) { | ||||
|                     this->reg.trap_state = (1 << 31) | (7 << 16); // issue trap 7 (Store/AMO access fault) | ||||
|                     fault_data=addr; | ||||
| @@ -661,7 +810,7 @@ template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT | ||||
|     return (this->*(it->second))(addr, val); | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::read_reg(unsigned addr, reg_t &val) { | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::read_csr_reg(unsigned addr, reg_t &val) { | ||||
|     val = csr[addr]; | ||||
|     return iss::Ok; | ||||
| } | ||||
| @@ -671,7 +820,7 @@ template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_reg(unsigned addr, reg_t val) { | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_csr_reg(unsigned addr, reg_t val) { | ||||
|     csr[addr] = val; | ||||
|     return iss::Ok; | ||||
| } | ||||
| @@ -740,8 +889,8 @@ template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::read_mtvec(unsigned addr, reg_t &val) { | ||||
|     val = csr[mtvec] & ~2; | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::read_tvec(unsigned addr, reg_t &val) { | ||||
|     val = csr[addr] & ~2; | ||||
|     return iss::Ok; | ||||
| } | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::read_status(unsigned addr, reg_t &val) { | ||||
| @@ -757,9 +906,8 @@ template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::read_ie(unsigned addr, reg_t &val) { | ||||
|     val = csr[mie]; | ||||
|     val &= csr[mideleg]; | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_cause(unsigned addr, reg_t val) { | ||||
|     csr[addr] = val & ((1UL<<(traits<BASE>::XLEN-1))|(mcause_max_irq-1)); //TODO: make exception code size configurable | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| @@ -768,32 +916,61 @@ template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::read_ie(unsigned addr, reg_t &val) { | ||||
|     auto mask = get_irq_wrmask((addr >> 8) & 0x3); | ||||
|     val = csr[mie] & mask; | ||||
|     if(this->reg.PRIV!=3) | ||||
|         val &= csr[mideleg]; | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_ie(unsigned addr, reg_t val) { | ||||
|     auto req_priv_lvl = (addr >> 8) & 0x3; | ||||
|     auto mask = get_irq_mask(req_priv_lvl); | ||||
|     auto mask = get_irq_wrmask((addr >> 8) & 0x3); | ||||
|     if(this->reg.PRIV==0) | ||||
|         mask&= ~(0xff<<4); // STIE and UTIE are read only in user and supervisor mode | ||||
|     csr[mie] = (csr[mie] & ~mask) | (val & mask); | ||||
|     check_interrupt(); | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::read_ip(unsigned addr, reg_t &val) { | ||||
|     val = csr[mip]; | ||||
|     auto mask = get_irq_wrmask((addr >> 8) & 0x3); | ||||
|     val = csr[mip] & mask; | ||||
|     if(this->reg.PRIV!=3) | ||||
|         val &= csr[mideleg]; | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_ip(unsigned addr, reg_t val) { | ||||
|     auto req_priv_lvl = (addr >> 8) & 0x3; | ||||
|     auto mask = get_irq_mask(req_priv_lvl); | ||||
|     mask &= ~(1 << 7); // MTIP is read only | ||||
|     auto mask = get_irq_wrmask((addr >> 8) & 0x3); | ||||
|     mask &= ~(8 << 4); // MTIP is read only | ||||
|     if(this->reg.PRIV!=3) | ||||
|         mask &= ~(3 << 4); // STIP and UTIP are read only in user and supervisor mode | ||||
|     csr[mip] = (csr[mip] & ~mask) | (val & mask); | ||||
|     check_interrupt(); | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_mepc(unsigned addr, reg_t val) { | ||||
|     auto mask = get_pc_mask(); | ||||
|     csr[addr] = val;//(csr[addr] & ~mask) | (val & mask); | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_ideleg(unsigned addr, reg_t val) { | ||||
|     auto mask = 0b000100010001; // only U mode supported | ||||
|     csr[mideleg] = (csr[mideleg] & ~mask) | (val & mask); | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_edeleg(unsigned addr, reg_t val) { | ||||
|     auto mask = 0b1011001111110111; // bit 14/10 (reserved), bit 11 (Env call), and 3 (break) are hardwired to 0 | ||||
|     csr[medeleg] = (csr[medeleg] & ~mask) | (val & mask); | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_epc(unsigned addr, reg_t val) { | ||||
|     csr[addr] = val & get_pc_mask(); | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template<typename BASE, features_e FEAT> | ||||
| iss::status riscv_hart_mu_p<BASE, FEAT>::write_intthresh(unsigned addr, reg_t val) { | ||||
|     csr[addr]= val &0xff; | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| @@ -900,6 +1077,84 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::write_mem(phys_addr_t paddr, unsigned l | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| void read_uint32(uint64_t offs, uint32_t& reg, uint8_t *const data, unsigned length) { | ||||
|     auto reg_ptr = reinterpret_cast<uint8_t*>(®); | ||||
|     switch (offs & 0x3) { | ||||
|     case 0: | ||||
|         for (auto i = 0U; i < length; ++i) | ||||
|             *(data + i) = *(reg_ptr + i); | ||||
|     break; | ||||
|     case 1: | ||||
|         for (auto i = 0U; i < length; ++i) | ||||
|             *(data + i) = *(reg_ptr + 1 + i); | ||||
|     break; | ||||
|     case 2: | ||||
|         for (auto i = 0U; i < length; ++i) | ||||
|             *(data + i) = *(reg_ptr + 2 + i); | ||||
|     break; | ||||
|     case 3: | ||||
|         *data = *(reg_ptr + 3); | ||||
|     break; | ||||
|     } | ||||
| } | ||||
|  | ||||
| void write_uint32(uint64_t offs, uint32_t& reg, const uint8_t *const data, unsigned length) { | ||||
|     auto reg_ptr = reinterpret_cast<uint8_t*>(®); | ||||
|     switch (offs & 0x3) { | ||||
|     case 0: | ||||
|         for (auto i = 0U; i < length; ++i) | ||||
|             *(reg_ptr + i) = *(data + i); | ||||
|     break; | ||||
|     case 1: | ||||
|         for (auto i = 0U; i < length; ++i) | ||||
|             *(reg_ptr + 1 + i) = *(data + i); | ||||
|     break; | ||||
|     case 2: | ||||
|         for (auto i = 0U; i < length; ++i) | ||||
|             *(reg_ptr + 2 + i) = *(data + i); | ||||
|     break; | ||||
|     case 3: | ||||
|         *(reg_ptr + 3) = *data ; | ||||
|     break; | ||||
|     } | ||||
| } | ||||
|  | ||||
| template<typename BASE, features_e FEAT> | ||||
| iss::status riscv_hart_mu_p<BASE, FEAT>::read_clic(uint64_t addr, unsigned length, uint8_t *const data) { | ||||
|     if(addr==clic_base_addr) { // cliccfg | ||||
|         *data=clic_cfg_reg; | ||||
|         for(auto i=1; i<length; ++i) *(data+i)=0; | ||||
|     } else if(addr>=(clic_base_addr+4) && (addr+length)<=(clic_base_addr+8)){ // clicinfo | ||||
|         read_uint32(addr, clic_info_reg, data, length); | ||||
|     } else if(addr>=(clic_base_addr+0x40) && (addr+length)<=(clic_base_addr+0x40+clic_num_trigger*4)){ // clicinttrig | ||||
|         auto offset = ((addr&0x7fff)-0x40)/4; | ||||
|         read_uint32(addr, clic_inttrig_reg[offset], data, length); | ||||
|     } else if(addr>=(clic_base_addr+0x1000) && (addr+length)<=(clic_base_addr+clic_num_irq*4)){ // clicintip/clicintie/clicintattr/clicintctl | ||||
|         auto offset = ((addr&0x7fff)-0x1000)/4; | ||||
|         read_uint32(addr, clic_int_reg[offset].raw, data, length); | ||||
|     } else { | ||||
|         for(auto i = 0U; i<length; ++i) *(data+i)=0; | ||||
|     } | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template<typename BASE, features_e FEAT> | ||||
| iss::status riscv_hart_mu_p<BASE, FEAT>::write_clic(uint64_t addr, unsigned length, const uint8_t *const data) { | ||||
|     if(addr==clic_base_addr) { // cliccfg | ||||
|         clic_cfg_reg = *data; | ||||
|         clic_cfg_reg&= 0x7f; | ||||
| //    } else if(addr>=(clic_base_addr+4) && (addr+length)<=(clic_base_addr+4)){ // clicinfo | ||||
| //        write_uint32(addr, clic_info_reg, data, length); | ||||
|     } else if(addr>=(clic_base_addr+0x40) && (addr+length)<=(clic_base_addr+0xC0)){ // clicinttrig | ||||
|         auto offset = ((addr&0x7fff)-0x40)/4; | ||||
|         write_uint32(addr, clic_inttrig_reg[offset], data, length); | ||||
|     } else if(addr>=(clic_base_addr+0x1000) && (addr+length)<=(clic_base_addr+clic_num_irq*4)){ // clicintip/clicintie/clicintattr/clicintctl | ||||
|         auto offset = ((addr&0x7fff)-0x1000)/4; | ||||
|         write_uint32(addr, clic_int_reg[offset].raw, data, length); | ||||
|     } | ||||
|     return iss::Ok; | ||||
| } | ||||
|  | ||||
| template <typename BASE, features_e FEAT> inline void riscv_hart_mu_p<BASE, FEAT>::reset(uint64_t address) { | ||||
|     BASE::reset(address); | ||||
|     state.mstatus = hart_state_type::mstatus_reset_val; | ||||
| @@ -914,7 +1169,7 @@ template <typename BASE, features_e FEAT> void riscv_hart_mu_p<BASE, FEAT>::chec | ||||
|     auto ena_irq = csr[mip] & csr[mie]; | ||||
|  | ||||
|     bool mie = state.mstatus.MIE; | ||||
|     auto m_enabled = this->reg.PRIV < PRIV_M || (this->reg.PRIV == PRIV_M && mie); | ||||
|     auto m_enabled = this->reg.PRIV < PRIV_M ||  mie; | ||||
|     auto enabled_interrupts = m_enabled ? ena_irq & ~ideleg : 0; | ||||
|  | ||||
|     if (enabled_interrupts != 0) { | ||||
| @@ -930,6 +1185,7 @@ template <typename BASE, features_e FEAT> void riscv_hart_mu_p<BASE, FEAT>::chec | ||||
| template <typename BASE, features_e FEAT> uint64_t riscv_hart_mu_p<BASE, FEAT>::enter_trap(uint64_t flags, uint64_t addr, uint64_t instr) { | ||||
|     // flags are ACTIVE[31:31], CAUSE[30:16], TRAPID[15:0] | ||||
|     // calculate and write mcause val | ||||
|     if(flags==std::numeric_limits<uint64_t>::max()) flags=this->reg.trap_state; | ||||
|     auto trap_id = bit_sub<0, 16>(flags); | ||||
|     auto cause = bit_sub<16, 15>(flags); | ||||
|     if (trap_id == 0 && cause == 11) cause = 0x8 + this->reg.PRIV; // adjust environment call cause | ||||
| @@ -982,11 +1238,8 @@ template <typename BASE, features_e FEAT> uint64_t riscv_hart_mu_p<BASE, FEAT>:: | ||||
|     auto ivec = csr[utvec | (new_priv << 8)]; | ||||
|     // calculate addr// set NEXT_PC to trap addressess to jump to based on MODE | ||||
|     // bits in mtvec | ||||
|     this->reg.NEXT_PC = ivec & ~0x1UL; | ||||
|     this->reg.NEXT_PC = ivec & ~0x3UL; | ||||
|     if ((ivec & 0x1) == 1 && trap_id != 0) this->reg.NEXT_PC += 4 * cause; | ||||
|     // reset trap state | ||||
|     this->reg.PRIV = new_priv; | ||||
|     this->reg.trap_state = 0; | ||||
|     std::array<char, 32> buffer; | ||||
|     sprintf(buffer.data(), "0x%016lx", addr); | ||||
|     if((flags&0xffffffff) != 0xffffffff) | ||||
| @@ -994,6 +1247,9 @@ template <typename BASE, features_e FEAT> uint64_t riscv_hart_mu_p<BASE, FEAT>:: | ||||
|                        << (trap_id ? irq_str[cause] : trap_str[cause]) << "' (" << cause << ")" | ||||
|                        << " at address " << buffer.data() << " occurred, changing privilege level from " | ||||
|                        << lvl[this->reg.PRIV] << " to " << lvl[new_priv]; | ||||
|     // reset trap state | ||||
|     this->reg.PRIV = new_priv; | ||||
|     this->reg.trap_state = 0; | ||||
|     return this->reg.NEXT_PC; | ||||
| } | ||||
|  | ||||
|   | ||||
| @@ -1,5 +1,5 @@ | ||||
| /******************************************************************************* | ||||
|  * Copyright (C) 2017, 2018 MINRES Technologies GmbH | ||||
|  * Copyright (C) 2017-2021 MINRES Technologies GmbH | ||||
|  * All rights reserved. | ||||
|  * | ||||
|  * Redistribution and use in source and binary forms, with or without | ||||
| @@ -30,23 +30,23 @@ | ||||
|  * | ||||
|  *******************************************************************************/ | ||||
|  | ||||
| #ifndef _SYSC_SIFIVE_FE310_H_ | ||||
| #define _SYSC_SIFIVE_FE310_H_ | ||||
| #ifndef _SYSC_CORE_COMPLEX_H_ | ||||
| #define _SYSC_CORE_COMPLEX_H_ | ||||
|  | ||||
| #include "tlm/scc/initiator_mixin.h" | ||||
| #include "scc/traceable.h" | ||||
| #include "scc/utilities.h" | ||||
| #include "tlm/scc/scv/tlm_rec_initiator_socket.h" | ||||
| #include <tlm/scc/initiator_mixin.h> | ||||
| #include <scc/traceable.h> | ||||
| #include <scc/tick2time.h> | ||||
| #include <scc/utilities.h> | ||||
| #include <tlm/scc/scv/tlm_rec_initiator_socket.h> | ||||
| #ifdef CWR_SYSTEMC | ||||
| #include <scmlinc/scml_property.h> | ||||
| #else | ||||
| #include <cci_configuration> | ||||
| #endif | ||||
| #include <tlm> | ||||
| #include <tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_core_ifs.h> | ||||
| #include <tlm_utils/tlm_quantumkeeper.h> | ||||
| #include <util/range_lut.h> | ||||
|  | ||||
| class scv_tr_db; | ||||
| class scv_tr_stream; | ||||
| struct _scv_tr_generator_default_data; | ||||
| template <class T_begin, class T_end> class scv_tr_generator; | ||||
| #include <memory> | ||||
|  | ||||
| namespace sysc { | ||||
|  | ||||
| @@ -62,13 +62,12 @@ public: | ||||
|  | ||||
| namespace tgfs { | ||||
| class core_wrapper; | ||||
| struct core_trace; | ||||
|  | ||||
| class core_complex : public sc_core::sc_module, public scc::traceable { | ||||
| public: | ||||
|     tlm::scc::initiator_mixin<tlm::scc::scv::tlm_rec_initiator_socket<32>> initiator{"intor"}; | ||||
|  | ||||
|     sc_core::sc_in<sc_core::sc_time> clk_i{"clk_i"}; | ||||
|  | ||||
|     sc_core::sc_in<bool> rst_i{"rst_i"}; | ||||
|  | ||||
|     sc_core::sc_in<bool> global_irq_i{"global_irq_i"}; | ||||
| @@ -79,6 +78,9 @@ public: | ||||
|  | ||||
|     sc_core::sc_vector<sc_core::sc_in<bool>> local_irq_i{"local_irq_i", 16}; | ||||
|  | ||||
| #ifndef CWR_SYSTEMC | ||||
| 	sc_core::sc_in<sc_core::sc_time> clk_i{"clk_i"}; | ||||
|  | ||||
|     sc_core::sc_port<tlm::tlm_peek_if<uint64_t>, 1, sc_core::SC_ZERO_OR_MORE_BOUND> mtime_o; | ||||
|  | ||||
|     cci::cci_param<std::string> elf_file{"elf_file", ""}; | ||||
| @@ -97,7 +99,47 @@ public: | ||||
|  | ||||
|     cci::cci_param<uint32_t> mhartid{"mhartid", 0}; | ||||
|  | ||||
|     core_complex(sc_core::sc_module_name name); | ||||
|     core_complex(sc_core::sc_module_name const& name); | ||||
|  | ||||
| #else | ||||
| 	sc_core::sc_in<bool> clk_i{"clk_i"}; | ||||
|  | ||||
| 	sc_core::sc_in<uint64_t> mtime_i{"mtime_i"}; | ||||
|  | ||||
| 	scml_property<std::string> elf_file{"elf_file", ""}; | ||||
|  | ||||
|     scml_property<bool> enable_disass{"enable_disass", false}; | ||||
|  | ||||
|     scml_property<unsigned long long> reset_address{"reset_address", 0ULL}; | ||||
|  | ||||
|     scml_property<std::string> core_type{"core_type", "tgc_c"}; | ||||
|  | ||||
|     scml_property<std::string> backend{"backend", "interp"}; | ||||
|  | ||||
|     scml_property<unsigned> gdb_server_port{"gdb_server_port", 0}; | ||||
|  | ||||
|     scml_property<bool> dump_ir{"dump_ir", false}; | ||||
|  | ||||
|     scml_property<uint32_t> mhartid{"mhartid", 0}; | ||||
|  | ||||
|     core_complex(sc_core::sc_module_name const& name) | ||||
|     : sc_module(name) | ||||
|     , local_irq_i{"local_irq_i", 16} | ||||
|     , elf_file{"elf_file", ""} | ||||
|     , enable_disass{"enable_disass", false} | ||||
|     , reset_address{"reset_address", 0ULL} | ||||
|     , core_type{"core_type", "tgc_c"} | ||||
|     , backend{"backend", "interp"} | ||||
|     , gdb_server_port{"gdb_server_port", 0} | ||||
|     , dump_ir{"dump_ir", false} | ||||
|     , mhartid{"mhartid", 0} | ||||
|     , read_lut(tlm_dmi_ext()) | ||||
|     , write_lut(tlm_dmi_ext()) | ||||
|     { | ||||
|     	init(); | ||||
|     } | ||||
|  | ||||
| #endif | ||||
|  | ||||
|     ~core_complex(); | ||||
|  | ||||
| @@ -121,13 +163,14 @@ public: | ||||
|  | ||||
|     void trace(sc_core::sc_trace_file *trf) const override; | ||||
|  | ||||
|     void disass_output(uint64_t pc, const std::string instr); | ||||
|     bool disass_output(uint64_t pc, const std::string instr); | ||||
|  | ||||
|     void set_clock_period(sc_core::sc_time period); | ||||
| protected: | ||||
|     void before_end_of_elaboration() override; | ||||
|     void start_of_simulation() override; | ||||
| 	void forward(); | ||||
|     void run(); | ||||
|     void clk_cb(); | ||||
|     void rst_cb(); | ||||
|     void sw_irq_cb(); | ||||
|     void timer_irq_cb(); | ||||
| @@ -136,21 +179,14 @@ protected: | ||||
|     util::range_lut<tlm_dmi_ext> read_lut, write_lut; | ||||
|     tlm_utils::tlm_quantumkeeper quantum_keeper; | ||||
|     std::vector<uint8_t> write_buf; | ||||
|     std::unique_ptr<core_wrapper> cpu; | ||||
|     sc_core::sc_time curr_clk; | ||||
| #ifdef WITH_SCV | ||||
|     //! transaction recording database | ||||
|     scv_tr_db *m_db; | ||||
|     //! blocking transaction recording stream handle | ||||
|     scv_tr_stream *stream_handle; | ||||
|     //! transaction generator handle for blocking transactions | ||||
|     scv_tr_generator<_scv_tr_generator_default_data, _scv_tr_generator_default_data> *instr_tr_handle; | ||||
|     scv_tr_generator<uint64_t, _scv_tr_generator_default_data> *fetch_tr_handle; | ||||
|     scv_tr_handle tr_handle; | ||||
| #endif | ||||
|     core_wrapper* cpu{nullptr}; | ||||
|     sc_core::sc_signal<sc_core::sc_time> curr_clk; | ||||
|     core_trace* trc{nullptr}; | ||||
|     std::unique_ptr<scc::tick2time> t2t; | ||||
| private: | ||||
|     void init(); | ||||
| }; | ||||
|  | ||||
| } /* namespace SiFive */ | ||||
| } /* namespace sysc */ | ||||
|  | ||||
| #endif /* _SYSC_SIFIVE_FE310_H_ */ | ||||
| #endif /* _SYSC_CORE_COMPLEX_H_ */ | ||||
|   | ||||
| @@ -49,7 +49,9 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||||
|  | ||||
| /*---------------------------------------------------------------------------- | ||||
| *----------------------------------------------------------------------------*/ | ||||
| #ifdef __GNUC__ | ||||
| #define SOFTFLOAT_BUILTIN_CLZ 1 | ||||
| #define SOFTFLOAT_INTRINSIC_INT128 1 | ||||
| #endif | ||||
| #include "opts-GCC.h" | ||||
|  | ||||
|   | ||||
							
								
								
									
										16
									
								
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								src/main.cpp
									
									
									
									
									
								
							| @@ -47,7 +47,7 @@ using tgc_b_plat_type = iss::arch::riscv_hart_m_p<iss::arch::tgc_b>; | ||||
| #ifdef CORE_TGC_D | ||||
| #include "iss/arch/riscv_hart_mu_p.h" | ||||
| #include "iss/arch/tgc_d.h" | ||||
| using tgc_d_plat_type = iss::arch::riscv_hart_mu_p<iss::arch::tgc_d, iss::arch::FEAT_PMP>; | ||||
| using tgc_d_plat_type = iss::arch::riscv_hart_mu_p<iss::arch::tgc_d, (iss::arch::features_e)(iss::arch::FEAT_PMP | iss::arch::FEAT_CLIC | iss::arch::FEAT_EXT_N)>; | ||||
| #endif | ||||
| #ifdef WITH_LLVM | ||||
| #include <iss/llvm/jit_helper.h> | ||||
| @@ -78,7 +78,7 @@ int main(int argc, char *argv[]) { | ||||
|         ("mem,m", po::value<std::string>(), "the memory input file") | ||||
|         ("plugin,p", po::value<std::vector<std::string>>(), "plugin to activate") | ||||
|         ("backend", po::value<std::string>()->default_value("interp"), "the memory input file") | ||||
|         ("isa", po::value<std::string>()->default_value("tgf_c"), "isa to use for simulation"); | ||||
|         ("isa", po::value<std::string>()->default_value("tgc_c"), "isa to use for simulation"); | ||||
|     // clang-format on | ||||
|     auto parsed = po::command_line_parser(argc, argv).options(desc).allow_unregistered().run(); | ||||
|     try { | ||||
| @@ -123,24 +123,24 @@ int main(int argc, char *argv[]) { | ||||
|         iss::vm_ptr vm{nullptr}; | ||||
|         iss::cpu_ptr cpu{nullptr}; | ||||
|         std::string isa_opt(clim["isa"].as<std::string>()); | ||||
|         if (isa_opt == "tgf_c") { | ||||
|         if (isa_opt == "tgc_c") { | ||||
|             std::tie(cpu, vm) = | ||||
|                 iss::create_cpu<tgc_c_plat_type>(clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>()); | ||||
|         } else | ||||
| #ifdef CORE_TGC_B | ||||
|         if (isa_opt == "tgf_b") { | ||||
|         if (isa_opt == "tgc_b") { | ||||
|             std::tie(cpu, vm) = | ||||
|                 iss::create_cpu<tgc_b_plat_type>(clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>()); | ||||
|         } else | ||||
| #endif | ||||
| #ifdef CORE_TGC_D | ||||
|         if (isa_opt == "tgf_d") { | ||||
|         if (isa_opt == "tgc_d") { | ||||
|             std::tie(cpu, vm) = | ||||
|                 iss::create_cpu<tgc_d_plat_type>(clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>()); | ||||
|         } else | ||||
| #endif | ||||
|         { | ||||
|             LOG(ERROR) << "Illegal argument value for '--isa': " << clim["isa"].as<std::string>() << std::endl; | ||||
|             LOG(ERR) << "Illegal argument value for '--isa': " << clim["isa"].as<std::string>() << std::endl; | ||||
|             return 127; | ||||
|         } | ||||
|         if (clim.count("plugin")) { | ||||
| @@ -161,7 +161,7 @@ int main(int argc, char *argv[]) { | ||||
|                     vm->register_plugin(*ce_plugin); | ||||
|                     plugin_list.push_back(ce_plugin); | ||||
|                 } else { | ||||
|                     LOG(ERROR) << "Unknown plugin name: " << plugin_name << ", valid names are 'ce', 'ic'" << std::endl; | ||||
|                     LOG(ERR) << "Unknown plugin name: " << plugin_name << ", valid names are 'ce', 'ic'" << std::endl; | ||||
|                     return 127; | ||||
|                 } | ||||
|             } | ||||
| @@ -196,7 +196,7 @@ int main(int argc, char *argv[]) { | ||||
|         auto cycles = clim["instructions"].as<uint64_t>(); | ||||
|         res = vm->start(cycles, dump); | ||||
|     } catch (std::exception &e) { | ||||
|         LOG(ERROR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit" | ||||
|         LOG(ERR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit" | ||||
|                    << std::endl; | ||||
|         res = 2; | ||||
|     } | ||||
|   | ||||
| @@ -47,10 +47,10 @@ iss::plugin::cycle_estimate::cycle_estimate(std::string config_file_name) | ||||
|             try { | ||||
|                 is >> root; | ||||
|             } catch (Json::RuntimeError &e) { | ||||
|                 LOG(ERROR) << "Could not parse input file " << config_file_name << ", reason: " << e.what(); | ||||
|                 LOG(ERR) << "Could not parse input file " << config_file_name << ", reason: " << e.what(); | ||||
|             } | ||||
|         } else { | ||||
|             LOG(ERROR) << "Could not open input file " << config_file_name; | ||||
|             LOG(ERR) << "Could not open input file " << config_file_name; | ||||
|         } | ||||
|     } | ||||
| } | ||||
| @@ -77,7 +77,7 @@ bool iss::plugin::cycle_estimate::registration(const char* const version, vm_if& | ||||
|     		} | ||||
|     	} | ||||
|     } else { | ||||
|         LOG(ERROR)<<"plugin cycle_estimate: could not find an entry for "<<core_name<<" in JSON file"<<std::endl; | ||||
|         LOG(ERR)<<"plugin cycle_estimate: could not find an entry for "<<core_name<<" in JSON file"<<std::endl; | ||||
|     } | ||||
| 	return true; | ||||
|  | ||||
| @@ -87,6 +87,8 @@ void iss::plugin::cycle_estimate::callback(instr_info_t instr_info, exec_info co | ||||
|     assert(arch_instr && "No instrumentation interface available but callback executed"); | ||||
| 	auto entry = delays[instr_info.instr_id]; | ||||
| 	bool taken = (arch_instr->get_next_pc()-arch_instr->get_pc()) != (entry.size/8); | ||||
|     uint32_t delay = taken ? entry.taken : entry.not_taken; | ||||
|     if(delay>1) arch_instr->set_curr_instr_cycles(delay); | ||||
|     if (taken && entry.taken > 1) | ||||
|         arch_instr->set_curr_instr_cycles(entry.taken); | ||||
|     else if (entry.not_taken > 1) | ||||
|         arch_instr->set_curr_instr_cycles(entry.not_taken); | ||||
| } | ||||
|   | ||||
| @@ -46,10 +46,10 @@ iss::plugin::instruction_count::instruction_count(std::string config_file_name) | ||||
|             try { | ||||
|                 is >> root; | ||||
|             } catch (Json::RuntimeError &e) { | ||||
|                 LOG(ERROR) << "Could not parse input file " << config_file_name << ", reason: " << e.what(); | ||||
|                 LOG(ERR) << "Could not parse input file " << config_file_name << ", reason: " << e.what(); | ||||
|             } | ||||
|         } else { | ||||
|             LOG(ERROR) << "Could not open input file " << config_file_name; | ||||
|             LOG(ERR) << "Could not open input file " << config_file_name; | ||||
|         } | ||||
|     } | ||||
| } | ||||
| @@ -85,7 +85,7 @@ bool iss::plugin::instruction_count::registration(const char* const version, vm_ | ||||
|     	} | ||||
|     	rep_counts.resize(delays.size()); | ||||
|     } else { | ||||
|         LOG(ERROR)<<"plugin instruction_count: could not find an entry for "<<core_name<<" in JSON file"<<std::endl; | ||||
|         LOG(ERR)<<"plugin instruction_count: could not find an entry for "<<core_name<<" in JSON file"<<std::endl; | ||||
|     } | ||||
| 	return true; | ||||
| } | ||||
|   | ||||
| @@ -30,6 +30,13 @@ | ||||
|  * | ||||
|  *******************************************************************************/ | ||||
|  | ||||
| // clang-format off | ||||
| #include "iss/debugger/gdb_session.h" | ||||
| #include "iss/debugger/encoderdecoder.h" | ||||
| #include "iss/debugger/server.h" | ||||
| #include "iss/debugger/target_adapter_if.h" | ||||
| #include "iss/iss.h" | ||||
| #include "iss/vm_types.h" | ||||
| #include "sysc/core_complex.h" | ||||
| #ifdef CORE_TGC_B | ||||
| #include "iss/arch/riscv_hart_m_p.h" | ||||
| @@ -44,23 +51,33 @@ using tgc_c_plat_type = iss::arch::riscv_hart_m_p<iss::arch::tgc_c>; | ||||
| #include "iss/arch/tgc_d.h" | ||||
| using tgc_d_plat_type = iss::arch::riscv_hart_mu_p<iss::arch::tgc_d, iss::arch::FEAT_PMP>; | ||||
| #endif | ||||
| #include "iss/debugger/encoderdecoder.h" | ||||
| #include "iss/debugger/gdb_session.h" | ||||
| #include "iss/debugger/server.h" | ||||
| #include "iss/debugger/target_adapter_if.h" | ||||
| #include "iss/iss.h" | ||||
| #include "iss/vm_types.h" | ||||
| #include "scc/report.h" | ||||
| #include <iostream> | ||||
| #include <sstream> | ||||
| #include <array> | ||||
| // clang-format on | ||||
|  | ||||
| #define STR(X) #X | ||||
| #define CREATE_CORE(CN) \ | ||||
| if (type == STR(CN)) { std::tie(cpu, vm) = create_core<CN ## _plat_type>(backend, gdb_port, hart_id); } else | ||||
|  | ||||
| #ifdef WITH_SCV | ||||
| #include <array> | ||||
| #include <scv.h> | ||||
| #else | ||||
| #include <scv-tr.h> | ||||
| using namespace scv_tr; | ||||
| #endif | ||||
|  | ||||
| #ifndef CWR_SYSTEMC | ||||
| #define GET_PROP_VALUE(P) P.get_value() | ||||
| #else | ||||
| #define GET_PROP_VALUE(P) P.getValue() | ||||
| #endif | ||||
|  | ||||
| #ifdef _MSC_VER | ||||
| // not #if defined(_WIN32) || defined(_WIN64) because we have strncasecmp in mingw | ||||
| #define strncasecmp _strnicmp | ||||
| #define strcasecmp _stricmp | ||||
| #endif | ||||
|  | ||||
| namespace sysc { | ||||
| @@ -100,15 +117,14 @@ public: | ||||
|     sync_type needed_sync() const override { return PRE_SYNC; } | ||||
|  | ||||
|     void disass_output(uint64_t pc, const std::string instr) override { | ||||
|         if (INFO <= Log<Output2FILE<disass>>::reporting_level() && Output2FILE<disass>::stream()) { | ||||
|         if (!owner->disass_output(pc, instr)) { | ||||
|             std::stringstream s; | ||||
|             s << "[p:" << lvl[this->reg.PRIV] << ";s:0x" << std::hex << std::setfill('0') | ||||
|               << std::setw(sizeof(reg_t) * 2) << (reg_t)this->state.mstatus << std::dec << ";c:" << this->reg.icount << "]"; | ||||
|             Log<Output2FILE<disass>>().get(INFO, "disass") | ||||
|             SCCDEBUG(owner->name())<<"disass: " | ||||
|                 << "0x" << std::setw(16) << std::right << std::setfill('0') << std::hex << pc << "\t\t" << std::setw(40) | ||||
|                 << std::setfill(' ') << std::left << instr << s.str(); | ||||
|         } | ||||
|         owner->disass_output(pc, instr); | ||||
|     }; | ||||
|  | ||||
|     status read_mem(phys_addr_t addr, unsigned length, uint8_t *const data) override { | ||||
| @@ -135,6 +151,7 @@ public: | ||||
|     } | ||||
|  | ||||
|     status read_csr(unsigned addr, reg_t &val) override { | ||||
| #ifndef CWR_SYSTEMC | ||||
|         if((addr==arch::time || addr==arch::timeh) && owner->mtime_o.get_interface(0)){ | ||||
|             uint64_t time_val; | ||||
|             bool ret = owner->mtime_o->nb_peek(time_val); | ||||
| @@ -145,6 +162,17 @@ public: | ||||
|                 val = static_cast<reg_t>(time_val >> 32); | ||||
|             } | ||||
|             return ret?Ok:Err; | ||||
| #else | ||||
| 		if((addr==arch::time || addr==arch::timeh)){ | ||||
| 			uint64_t time_val = owner->mtime_i.read(); | ||||
| 			if (addr == iss::arch::time) { | ||||
| 				val = static_cast<reg_t>(time_val); | ||||
| 			} else if (addr == iss::arch::timeh) { | ||||
| 				if (sizeof(reg_t) != 4) return iss::Err; | ||||
| 				val = static_cast<reg_t>(time_val >> 32); | ||||
| 			} | ||||
| 			return Ok; | ||||
| #endif | ||||
|         } else { | ||||
|             return PLAT::read_csr(addr, val); | ||||
|         } | ||||
| @@ -267,7 +295,7 @@ public: | ||||
|         CREATE_CORE(tgc_d) | ||||
| #endif | ||||
|         { | ||||
|             LOG(ERROR) << "Illegal argument value for core type: " << type << std::endl; | ||||
|             LOG(ERR) << "Illegal argument value for core type: " << type << std::endl; | ||||
|         } | ||||
|         auto *srv = debugger::server<debugger::gdb_session>::get(); | ||||
|         if (srv) tgt_adapter = srv->get_target(); | ||||
| @@ -285,18 +313,29 @@ public: | ||||
|     iss::debugger::target_adapter_if *tgt_adapter{nullptr}; | ||||
| }; | ||||
|  | ||||
| core_complex::core_complex(sc_module_name name) | ||||
| struct core_trace { | ||||
|     //! transaction recording database | ||||
|     scv_tr_db *m_db{nullptr}; | ||||
|     //! blocking transaction recording stream handle | ||||
|     scv_tr_stream *stream_handle{nullptr}; | ||||
|     //! transaction generator handle for blocking transactions | ||||
|     scv_tr_generator<_scv_tr_generator_default_data, _scv_tr_generator_default_data> *instr_tr_handle{nullptr}; | ||||
|     scv_tr_handle tr_handle; | ||||
| }; | ||||
|  | ||||
| SC_HAS_PROCESS(core_complex);// NOLINT | ||||
| #ifndef CWR_SYSTEMC | ||||
| core_complex::core_complex(sc_module_name const& name) | ||||
| : sc_module(name) | ||||
| , read_lut(tlm_dmi_ext()) | ||||
| , write_lut(tlm_dmi_ext()) | ||||
| #ifdef WITH_SCV | ||||
| , m_db(scv_tr_db::get_default_db()) | ||||
| , stream_handle(nullptr) | ||||
| , instr_tr_handle(nullptr) | ||||
| , fetch_tr_handle(nullptr) | ||||
| #endif | ||||
| { | ||||
|     SC_HAS_PROCESS(core_complex);// NOLINT | ||||
| 	init(); | ||||
| } | ||||
| #endif | ||||
|  | ||||
| void core_complex::init(){ | ||||
| 	trc=new core_trace(); | ||||
|     initiator.register_invalidate_direct_mem_ptr([=](uint64_t start, uint64_t end) -> void { | ||||
|         auto lut_entry = read_lut.getEntry(start); | ||||
|         if (lut_entry.get_granted_access() != tlm::tlm_dmi::DMI_ACCESS_NONE && end <= lut_entry.get_end_address() + 1) { | ||||
| @@ -309,8 +348,6 @@ core_complex::core_complex(sc_module_name name) | ||||
|     }); | ||||
|  | ||||
|     SC_THREAD(run); | ||||
|     SC_METHOD(clk_cb); | ||||
|     sensitive << clk_i; | ||||
|     SC_METHOD(rst_cb); | ||||
|     sensitive << rst_i; | ||||
|     SC_METHOD(sw_irq_cb); | ||||
| @@ -319,61 +356,82 @@ core_complex::core_complex(sc_module_name name) | ||||
|     sensitive << timer_irq_i; | ||||
|     SC_METHOD(global_irq_cb); | ||||
|     sensitive << global_irq_i; | ||||
|     trc->m_db=scv_tr_db::get_default_db(); | ||||
|  | ||||
| 	SC_METHOD(forward); | ||||
| #ifndef CWR_SYSTEMC | ||||
| 	sensitive<<clk_i; | ||||
| #else | ||||
| 	sensitive<<curr_clk; | ||||
| 	t2t.reset(new scc::tick2time{"t2t"}); | ||||
| 	t2t->clk_i(clk_i); | ||||
| 	t2t->clk_o(curr_clk); | ||||
| #endif | ||||
| } | ||||
|  | ||||
| core_complex::~core_complex() = default; | ||||
| core_complex::~core_complex(){ | ||||
|     delete cpu; | ||||
|     delete trc; | ||||
| } | ||||
|  | ||||
| void core_complex::trace(sc_trace_file *trf) const {} | ||||
|  | ||||
| void core_complex::before_end_of_elaboration() { | ||||
|     SCCDEBUG(SCMOD)<<"instantiating iss::arch::tgf with "<<backend.get_value()<<" backend"; | ||||
|     cpu = scc::make_unique<core_wrapper>(this); | ||||
|     cpu->create_cpu(core_type.get_value(), backend.get_value(), gdb_server_port.get_value(), mhartid.get_value()); | ||||
|     SCCDEBUG(SCMOD)<<"instantiating iss::arch::tgf with "<<GET_PROP_VALUE(backend)<<" backend"; | ||||
|     // cpu = scc::make_unique<core_wrapper>(this); | ||||
|     cpu = new core_wrapper(this); | ||||
|     cpu->create_cpu(GET_PROP_VALUE(core_type), GET_PROP_VALUE(backend), GET_PROP_VALUE(gdb_server_port), GET_PROP_VALUE(mhartid)); | ||||
|     sc_assert(cpu->vm!=nullptr); | ||||
| #ifdef WITH_SCV | ||||
|     cpu->vm->setDisassEnabled(enable_disass.get_value() || m_db != nullptr); | ||||
| #else | ||||
|     cpu->vm->setDisassEnabled(enable_disass.get_value()); | ||||
| #endif | ||||
|     cpu->vm->setDisassEnabled(GET_PROP_VALUE(enable_disass) || trc->m_db != nullptr); | ||||
| } | ||||
|  | ||||
| void core_complex::start_of_simulation() { | ||||
|     quantum_keeper.reset(); | ||||
|     if (elf_file.get_value().size() > 0) { | ||||
|         istringstream is(elf_file.get_value()); | ||||
|     if (GET_PROP_VALUE(elf_file).size() > 0) { | ||||
|         istringstream is(GET_PROP_VALUE(elf_file)); | ||||
|         string s; | ||||
|         while (getline(is, s, ',')) { | ||||
|             std::pair<uint64_t, bool> start_addr = cpu->load_file(s); | ||||
| #ifndef CWR_SYSTEMC | ||||
|             if (reset_address.is_default_value() && start_addr.second == true) | ||||
|                 reset_address.set_value(start_addr.first); | ||||
| #else | ||||
|             if (start_addr.second == true) | ||||
|                 reset_address=start_addr.first; | ||||
| #endif | ||||
|         } | ||||
|     } | ||||
| #ifdef WITH_SCV | ||||
|     if (m_db != nullptr && stream_handle == nullptr) { | ||||
|     if (trc->m_db != nullptr && trc->stream_handle == nullptr) { | ||||
|         string basename(this->name()); | ||||
|         stream_handle = new scv_tr_stream((basename + ".instr").c_str(), "TRANSACTOR", m_db); | ||||
|         instr_tr_handle = new scv_tr_generator<>("execute", *stream_handle); | ||||
|         fetch_tr_handle = new scv_tr_generator<uint64_t>("fetch", *stream_handle); | ||||
|         trc->stream_handle = new scv_tr_stream((basename + ".instr").c_str(), "TRANSACTOR", trc->m_db); | ||||
|         trc->instr_tr_handle = new scv_tr_generator<>("execute", *trc->stream_handle); | ||||
|     } | ||||
| } | ||||
|  | ||||
| bool core_complex::disass_output(uint64_t pc, const std::string instr_str) { | ||||
|     if (trc->m_db == nullptr) return false; | ||||
|     if (trc->tr_handle.is_active()) trc->tr_handle.end_transaction(); | ||||
|     trc->tr_handle = trc->instr_tr_handle->begin_transaction(); | ||||
|     trc->tr_handle.record_attribute("PC", pc); | ||||
|     trc->tr_handle.record_attribute("INSTR", instr_str); | ||||
|     trc->tr_handle.record_attribute("MODE", lvl[cpu->get_mode()]); | ||||
|     trc->tr_handle.record_attribute("MSTATUS", cpu->get_state()); | ||||
|     trc->tr_handle.record_attribute("LTIME_START", quantum_keeper.get_current_time().value() / 1000); | ||||
|     return true; | ||||
| } | ||||
|  | ||||
| void core_complex::forward() { | ||||
| #ifndef CWR_SYSTEMC | ||||
| 	set_clock_period(clk_i.read()); | ||||
| #else | ||||
| 	set_clock_period(curr_clk.read()); | ||||
|  | ||||
| #endif | ||||
| } | ||||
|  | ||||
| void core_complex::disass_output(uint64_t pc, const std::string instr_str) { | ||||
| #ifdef WITH_SCV | ||||
|     if (m_db == nullptr) return; | ||||
|     if (tr_handle.is_active()) tr_handle.end_transaction(); | ||||
|     tr_handle = instr_tr_handle->begin_transaction(); | ||||
|     tr_handle.record_attribute("PC", pc); | ||||
|     tr_handle.record_attribute("INSTR", instr_str); | ||||
|     tr_handle.record_attribute("MODE", lvl[cpu->get_mode()]); | ||||
|     tr_handle.record_attribute("MSTATUS", cpu->get_state()); | ||||
|     tr_handle.record_attribute("LTIME_START", quantum_keeper.get_current_time().value() / 1000); | ||||
| #endif | ||||
| } | ||||
|  | ||||
| void core_complex::clk_cb() { | ||||
|     curr_clk = clk_i.read(); | ||||
|     if (curr_clk == SC_ZERO_TIME) cpu->set_interrupt_execution(true); | ||||
| void core_complex::set_clock_period(sc_core::sc_time period) { | ||||
| 	curr_clk = period; | ||||
|     if (period == SC_ZERO_TIME) cpu->set_interrupt_execution(true); | ||||
| } | ||||
|  | ||||
| void core_complex::rst_cb() { | ||||
| @@ -390,11 +448,11 @@ void core_complex::run() { | ||||
|     wait(SC_ZERO_TIME); // separate from elaboration phase | ||||
|     do { | ||||
|         if (rst_i.read()) { | ||||
|             cpu->reset(reset_address.get_value()); | ||||
|             cpu->reset(GET_PROP_VALUE(reset_address)); | ||||
|             wait(rst_i.negedge_event()); | ||||
|         } | ||||
|         while (clk_i.read() == SC_ZERO_TIME) { | ||||
|             wait(clk_i.value_changed_event()); | ||||
|         while (curr_clk.read() == SC_ZERO_TIME) { | ||||
|             wait(curr_clk.value_changed_event()); | ||||
|         } | ||||
|         cpu->set_interrupt_execution(false); | ||||
|         cpu->start(); | ||||
| @@ -418,15 +476,13 @@ bool core_complex::read_mem(uint64_t addr, unsigned length, uint8_t *const data, | ||||
|         gp.set_data_length(length); | ||||
|         gp.set_streaming_width(length); | ||||
|         sc_time delay=quantum_keeper.get_local_time(); | ||||
| #ifdef WITH_SCV | ||||
|         if (m_db != nullptr && tr_handle.is_valid()) { | ||||
|             if (is_fetch && tr_handle.is_active()) { | ||||
|                 tr_handle.end_transaction(); | ||||
|         if (trc->m_db != nullptr && trc->tr_handle.is_valid()) { | ||||
|             if (is_fetch && trc->tr_handle.is_active()) { | ||||
|                 trc->tr_handle.end_transaction(); | ||||
|             } | ||||
|             auto preExt = new tlm::scc::scv::tlm_recording_extension(tr_handle, this); | ||||
|             auto preExt = new tlm::scc::scv::tlm_recording_extension(trc->tr_handle, this); | ||||
|             gp.set_extension(preExt); | ||||
|         } | ||||
| #endif | ||||
|         initiator->b_transport(gp, delay); | ||||
|         SCCTRACE(this->name()) << "read_mem(0x" << std::hex << addr << ") : " << data; | ||||
|         if (gp.get_response_status() != tlm::TLM_OK_RESPONSE) { | ||||
| @@ -467,12 +523,10 @@ bool core_complex::write_mem(uint64_t addr, unsigned length, const uint8_t *cons | ||||
|         gp.set_data_length(length); | ||||
|         gp.set_streaming_width(length); | ||||
|         sc_time delay=quantum_keeper.get_local_time(); | ||||
| #ifdef WITH_SCV | ||||
|         if (m_db != nullptr && tr_handle.is_valid()) { | ||||
|             auto preExt = new tlm::scc::scv::tlm_recording_extension(tr_handle, this); | ||||
|         if (trc->m_db != nullptr && trc->tr_handle.is_valid()) { | ||||
|             auto preExt = new tlm::scc::scv::tlm_recording_extension(trc->tr_handle, this); | ||||
|             gp.set_extension(preExt); | ||||
|         } | ||||
| #endif | ||||
|         initiator->b_transport(gp, delay); | ||||
|         quantum_keeper.set(delay); | ||||
|         SCCTRACE() << "write_mem(0x" << std::hex << addr << ") : " << data; | ||||
| @@ -535,6 +589,5 @@ bool core_complex::write_mem_dbg(uint64_t addr, unsigned length, const uint8_t * | ||||
|         return initiator->transport_dbg(gp) == length; | ||||
|     } | ||||
| } | ||||
|  | ||||
| } /* namespace SiFive */ | ||||
| } /* namespace sysc */ | ||||
|   | ||||
| @@ -30,23 +30,21 @@ | ||||
|  * | ||||
|  *******************************************************************************/ | ||||
|  | ||||
| #include "../fp_functions.h" | ||||
| #include <iss/arch/tgc_c.h> | ||||
| #include <iss/arch/riscv_hart_m_p.h> | ||||
| // clang-format off | ||||
| #include <iss/debugger/gdb_session.h> | ||||
| #include <iss/debugger/server.h> | ||||
| #include <iss/iss.h> | ||||
| #include <iss/arch/tgc_c.h> | ||||
| #include <iss/arch/riscv_hart_m_p.h> | ||||
| #include <iss/interp/vm_base.h> | ||||
| #include "../fp_functions.h" | ||||
| #include <util/logging.h> | ||||
| #include <sstream> | ||||
|  | ||||
| #ifndef FMT_HEADER_ONLY | ||||
| #define FMT_HEADER_ONLY | ||||
| #endif | ||||
| #include <fmt/format.h> | ||||
|  | ||||
| #include <array> | ||||
| #include <iss/debugger/riscv_target_adapter.h> | ||||
| // clang-format on | ||||
|  | ||||
| namespace iss { | ||||
| namespace interp { | ||||
| @@ -843,7 +841,7 @@ private: | ||||
|         try { | ||||
|         { | ||||
|             uint32_t load_address = *(X+rs1) + (int16_t)sext<12>(imm); | ||||
|             int16_t res = (int16_t)readSpace2(traits::MEM, *(X+rs1) + (int16_t)sext<12>(imm)); | ||||
|             int16_t res = (int16_t)readSpace2(traits::MEM, load_address); | ||||
|             if(rd != 0) *(X+rd) = res;  | ||||
|         } | ||||
|         } catch(...){} | ||||
| @@ -888,7 +886,7 @@ private: | ||||
|         try { | ||||
|         { | ||||
|             uint32_t load_address = *(X+rs1) + (int16_t)sext<12>(imm); | ||||
|             int32_t res = (int32_t)readSpace4(traits::MEM, *(X+rs1) + (int16_t)sext<12>(imm)); | ||||
|             int32_t res = (int32_t)readSpace4(traits::MEM, load_address); | ||||
|             if(rd != 0) *(X+rd) = (uint32_t)res;  | ||||
|         } | ||||
|         } catch(...){} | ||||
| @@ -977,7 +975,7 @@ private: | ||||
|         try { | ||||
|         { | ||||
|             uint32_t load_address = *(X+rs1) + (int16_t)sext<12>(imm); | ||||
|             uint16_t res = (uint16_t)readSpace2(traits::MEM, *(X+rs1) + (int16_t)sext<12>(imm)); | ||||
|             uint16_t res = (uint16_t)readSpace2(traits::MEM, load_address); | ||||
|             if(rd != 0) *(X+rd) = res;  | ||||
|         } | ||||
|         } catch(...){} | ||||
| @@ -4113,6 +4111,10 @@ inline bool is_count_limit_enabled(finish_cond_e cond){ | ||||
|     return (cond & finish_cond_e::COUNT_LIMIT) == finish_cond_e::COUNT_LIMIT; | ||||
| } | ||||
|  | ||||
| inline bool is_jump_to_self_enabled(finish_cond_e cond){ | ||||
|     return (cond & finish_cond_e::JUMP_TO_SELF) == finish_cond_e::JUMP_TO_SELF; | ||||
| } | ||||
|  | ||||
| template <typename ARCH> | ||||
| typename vm_impl<ARCH>::compile_func vm_impl<ARCH>::decode_inst(code_word_t instr){ | ||||
|     for(auto& e: qlut[instr&0x3]){ | ||||
| @@ -4124,7 +4126,6 @@ typename vm_impl<ARCH>::compile_func vm_impl<ARCH>::decode_inst(code_word_t inst | ||||
| template <typename ARCH> | ||||
| typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit){ | ||||
|     // we fetch at max 4 byte, alignment is 2 | ||||
|     enum {TRAP_ID=1<<16}; | ||||
|     code_word_t insn = 0; | ||||
|     auto *const data = (uint8_t *)&insn; | ||||
|     auto pc=start; | ||||
| @@ -4132,15 +4133,15 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co | ||||
|             !(is_count_limit_enabled(cond) && this->core.get_icount() >= icount_limit)){ | ||||
|         auto res = fetch_ins(pc, data); | ||||
|         if(res!=iss::Ok){ | ||||
|             auto new_pc = super::core.enter_trap(TRAP_ID, pc.val, 0); | ||||
|             res = fetch_ins(virt_addr_t{access_type::FETCH, new_pc}, data); | ||||
|             if(res!=iss::Ok) throw simulation_stopped(0); | ||||
|         } | ||||
|         if ((cond & finish_cond_e::JUMP_TO_SELF) == finish_cond_e::JUMP_TO_SELF && | ||||
|                 (insn == 0x0000006f || (insn&0xffff)==0xa001)) throw simulation_stopped(0); // 'J 0' or 'C.J 0' | ||||
|             this->do_sync(POST_SYNC, std::numeric_limits<unsigned>::max()); | ||||
|             pc.val = super::core.enter_trap(std::numeric_limits<uint64_t>::max(), pc.val, 0); | ||||
|         } else { | ||||
|             if (is_jump_to_self_enabled(cond) && (insn == 0x0000006f || (insn&0xffff)==0xa001)) | ||||
|                 throw simulation_stopped(0); // 'J 0' or 'C.J 0' | ||||
|             auto f = decode_inst(insn); | ||||
|             pc = (this->*f)(pc, insn); | ||||
|         } | ||||
|     } | ||||
|     return pc; | ||||
| } | ||||
|  | ||||
|   | ||||
		Reference in New Issue
	
	Block a user