sim, arch, base: Refactor the base remote GDB class.

[gem5.git] / src / sim / System.py

diff --git a/src/sim/System.py b/src/sim/System.py
index f680e64bf566fa640e3c140fa3aab1dc32baf512..f45decb6bd1ecdcfb82f9acfbb5788414d702c3a 100644 (file)
--- a/src/sim/System.py
+++ b/src/sim/System.py
@@ -1,3 +1,15 @@
+# Copyright (c) 2017 ARM Limited
+# All rights reserved.
+#
+# The license below extends only to copyright in the software and shall
+# not be construed as granting a license to any other intellectual
+# property including but not limited to intellectual property relating
+# to a hardware implementation of the functionality of the software
+# licensed hereunder.  You may use the software subject to the license
+# terms below provided that you ensure that this notice is replicated
+# unmodified and in its entirety in all distributions of the software,
+# modified or unmodified, in source code or in binary form.
+#
 # Copyright (c) 2005-2007 The Regents of The University of Michigan
 # Copyright (c) 2011 Regents of the University of California
 # All rights reserved.
@@ -28,33 +40,51 @@
 # Authors: Nathan Binkert
 #          Rick Strong
 
-from m5.SimObject import SimObject
+from m5.SimObject import *
 from m5.defines import buildEnv
 from m5.params import *
 from m5.proxy import *
 
+from DVFSHandler import *
 from SimpleMemory import *
 
-class MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing']
+class MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing',
+                                'atomic_noncaching']
 
 class System(MemObject):
     type = 'System'
+    cxx_header = "sim/system.hh"
     system_port = MasterPort("System port")
 
-    @classmethod
-    def export_method_cxx_predecls(cls, code):
-        code('#include "sim/system.hh"')
-
-    @classmethod
-    def export_methods(cls, code):
-        code('''
-      Enums::MemoryMode getMemoryMode();
-      void setMemoryMode(Enums::MemoryMode mode);
-''')
+    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")
+
+    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,
@@ -73,7 +103,23 @@ class System(MemObject):
     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")
     readfile = Param.String("", "file to read startup script from")
     symbolfile = Param.String("", "file to get the symbols from")
-    load_addr_mask = Param.UInt64(0xffffffffff,
-            "Address to mask loading binaries with");
+    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()
+
+    if buildEnv['USE_KVM']:
+        kvm_vm = Param.KvmVM(NULL, 'KVM VM (i.e., shared memory domain)')