class System(SimObject): type = 'System' cxx_header = "sim/system.hh" system_port = MasterPort("System port") cxx_exports = [ PyBindMethod("getMemoryMode"), PyBindMethod("setMemoryMode"), ] memories = VectorParam.AbstractMemory(Self.all, "All memories in the system") mem_mode = Param.MemoryMode('atomic', "The mode the memory system is in") thermal_model = Param.ThermalModel(NULL, "Thermal model") thermal_components = VectorParam.SimObject( [], "A collection of all thermal components in the system.") # When reserving memory on the host, we have the option of # reserving swap space or not (by passing MAP_NORESERVE to # mmap). By enabling this flag, we accommodate cases where a large # (but sparse) memory is simulated. mmap_using_noreserve = Param.Bool(False, "mmap the backing store " \ "without reserving swap") # The memory ranges are to be populated when creating the system # such that these can be passed from the I/O subsystem through an # I/O bridge or cache mem_ranges = VectorParam.AddrRange([], "Ranges that constitute main memory") cache_line_size = Param.Unsigned(64, "Cache line size in bytes") redirect_paths = VectorParam.RedirectPath([], "Path redirections") exit_on_work_items = Param.Bool( False, "Exit from the simulation loop when " "encountering work item annotations.") work_item_id = Param.Int(-1, "specific work item id") num_work_ids = Param.Int(16, "Number of distinct work item types") work_begin_cpu_id_exit = Param.Int( -1, "work started on specific id, now exit simulation") work_begin_ckpt_count = Param.Counter( 0, "create checkpoint when work items begin count value is reached") work_begin_exit_count = Param.Counter( 0, "exit simulation when work items begin count value is reached") work_end_ckpt_count = Param.Counter( 0, "create checkpoint when work items end count value is reached") work_end_exit_count = Param.Counter( 0, "exit simulation when work items end count value is reached") work_cpus_ckpt_count = Param.Counter( 0, "create checkpoint when active cpu count value is reached") init_param = Param.UInt64(0, "numerical value to pass into simulator") boot_osflags = Param.String("a", "boot flags to pass to the kernel") kernel = Param.String("", "file that contains the kernel code") kernel_addr_check = Param.Bool( True, "whether to address check on kernel (disable for baremetal)") kernel_extras = VectorParam.String([], "Additional object files to load") kernel_extras_addrs = VectorParam.Addr( [], "Load addresses for additional object files") readfile = Param.String("", "file to read startup script from") symbolfile = Param.String("", "file to get the symbols from") load_addr_mask = Param.UInt64( 0xffffffffffffffff, "Address to mask loading binaries with, if 0, system " "auto-calculates the mask to be the most restrictive, " "otherwise it obeys a custom mask.") load_offset = Param.UInt64(0, "Address to offset loading binaries with") multi_thread = Param.Bool( False, "Supports multi-threaded CPUs? Impacts Thread/Context IDs") # Dynamic voltage and frequency handler for the system, disabled by default # Provide list of domains that need to be controlled by the handler dvfs_handler = DVFSHandler() # SE mode doesn't use the ISA System subclasses, and so we need to set an # ISA specific value in this class directly. m5ops_base = Param.Addr( 0xffff0000 if buildEnv['TARGET_ISA'] == 'x86' else 0, "Base of the 64KiB PA range used for memory-mapped m5ops. Set to 0 " "to disable.") if buildEnv['USE_KVM']: kvm_vm = Param.KvmVM(NULL, 'KVM VM (i.e., shared memory domain)')
class System(SimObject): type = 'System' cxx_header = "sim/system.hh" cxx_class = 'gem5::System' system_port = RequestPort("System port") cxx_exports = [ PyBindMethod("getMemoryMode"), PyBindMethod("setMemoryMode"), ] memories = VectorParam.AbstractMemory(Self.all, "All memories in the system") mem_mode = Param.MemoryMode('atomic', "The mode the memory system is in") thermal_model = Param.ThermalModel(NULL, "Thermal model") thermal_components = VectorParam.SimObject( [], "A collection of all thermal components in the system.") # When reserving memory on the host, we have the option of # reserving swap space or not (by passing MAP_NORESERVE to # mmap). By enabling this flag, we accommodate cases where a large # (but sparse) memory is simulated. mmap_using_noreserve = Param.Bool(False, "mmap the backing store " \ "without reserving swap") # The memory ranges are to be populated when creating the system # such that these can be passed from the I/O subsystem through an # I/O bridge or cache mem_ranges = VectorParam.AddrRange([], "Ranges that constitute main memory") # The ranges backed by a shadowed ROM shadow_rom_ranges = VectorParam.AddrRange([], "Ranges backed by a " \ "shadowed ROM") shared_backstore = Param.String( "", "backstore's shmem segment filename, " "use to directly address the backstore from another host-OS process. " "Leave this empty to unset the MAP_SHARED flag.") cache_line_size = Param.Unsigned(64, "Cache line size in bytes") redirect_paths = VectorParam.RedirectPath([], "Path redirections") exit_on_work_items = Param.Bool( False, "Exit from the simulation loop when " "encountering work item annotations.") work_item_id = Param.Int(-1, "specific work item id") num_work_ids = Param.Int(16, "Number of distinct work item types") work_begin_cpu_id_exit = Param.Int( -1, "work started on specific id, now exit simulation") work_begin_ckpt_count = Param.Counter( 0, "create checkpoint when work items begin count value is reached") work_begin_exit_count = Param.Counter( 0, "exit simulation when work items begin count value is reached") work_end_ckpt_count = Param.Counter( 0, "create checkpoint when work items end count value is reached") work_end_exit_count = Param.Counter( 0, "exit simulation when work items end count value is reached") work_cpus_ckpt_count = Param.Counter( 0, "create checkpoint when active cpu count value is reached") workload = Param.Workload(StubWorkload(), "Workload to run on this system") init_param = Param.UInt64(0, "numerical value to pass into simulator") readfile = Param.String("", "file to read startup script from") symbolfile = Param.String("", "file to get the symbols from") multi_thread = Param.Bool( False, "Supports multi-threaded CPUs? Impacts Thread/Context IDs") # Dynamic voltage and frequency handler for the system, disabled by default # Provide list of domains that need to be controlled by the handler dvfs_handler = DVFSHandler() # SE mode doesn't use the ISA System subclasses, and so we need to set an # ISA specific value in this class directly. m5ops_base = Param.Addr( 0xffff0000 if buildEnv['TARGET_ISA'] == 'x86' else 0, "Base of the 64KiB PA range used for memory-mapped m5ops. Set to 0 " "to disable.") if buildEnv['USE_KVM']: kvm_vm = Param.KvmVM(NULL, 'KVM VM (i.e., shared memory domain)')