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)')