ARM: Add configuration for Linux/Full System

configs/common/FSConfig.py

@@ -1,3 +1,15 @@
+# Copyright (c) 2010 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) 2006-2008 The Regents of The University of Michigan
 # All rights reserved.
 #
@@ -170,6 +182,52 @@ def makeSparcSystem(mem_mode, mdesc = None):
 
     return self
 
+def makeLinuxArmSystem(mem_mode, mdesc = None, bare_metal=False,
+        machine_type = None):
+    if bare_metal:
+        self = ArmSystem()
+    else:
+        self = LinuxArmSystem()
+
+    if not mdesc:
+        # generic system
+        mdesc = SysConfig()
+
+    self.readfile = mdesc.script()
+    self.iobus = Bus(bus_id=0)
+    self.membus = MemBus(bus_id=1)
+    self.membus.badaddr_responder.warn_access = "warn"
+    self.bridge = Bridge(delay='50ns', nack_delay='4ns')
+    self.physmem = PhysicalMemory(range = AddrRange(mdesc.mem()), zero = True)
+    self.bridge.side_a = self.iobus.port
+    self.bridge.side_b = self.membus.port
+    self.physmem.port = self.membus.port
+
+    self.mem_mode = mem_mode
+
+    if machine_type == "RealView_PBX":
+        self.realview = RealViewPBX()
+    elif machine_type == "RealView_EB":
+        self.realview = RealViewEB()
+    else:
+        print "Unknown Machine Type"
+        sys.exit(1)
+
+    if not bare_metal and machine_type:
+        self.machine_type = machine_type
+    elif bare_metal:
+        self.realview.uart.end_on_eot = True
+
+    self.realview.attachOnChipIO(self.membus)
+    self.realview.attachIO(self.iobus)
+
+    self.intrctrl = IntrControl()
+    self.terminal = Terminal()
+    self.boot_osflags = 'earlyprintk mem=128MB console=ttyAMA0 lpj=19988480 norandmaps'
+
+    return self
+
+
 def makeLinuxMipsSystem(mem_mode, mdesc = None):
     class BaseMalta(Malta):
         ethernet = NSGigE(pci_bus=0, pci_dev=1, pci_func=0)

configs/example/fs.py

@@ -1,3 +1,15 @@
+# Copyright (c) 2010 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) 2006-2007 The Regents of The University of Michigan
 # All rights reserved.
 #
@@ -56,7 +68,11 @@ parser = optparse.OptionParser()
 # System options
 parser.add_option("--kernel", action="store", type="string")
 parser.add_option("--script", action="store", type="string")
-
+if buildEnv['TARGET_ISA'] == "arm":
+    parser.add_option("--bare-metal", action="store_true",
+               help="Provide the raw system without the linux specific bits")
+    parser.add_option("--machine-type", action="store", type="choice",
+            choices=ArmMachineType.map.keys(), default="RealView_PBX")
 # Benchmark options
 parser.add_option("--dual", action="store_true",
                   help="Simulate two systems attached with an ethernet link")
@@ -112,6 +128,9 @@ elif buildEnv['TARGET_ISA'] == "sparc":
     test_sys = makeSparcSystem(test_mem_mode, bm[0])
 elif buildEnv['TARGET_ISA'] == "x86":
     test_sys = makeLinuxX86System(test_mem_mode, np, bm[0])
+elif buildEnv['TARGET_ISA'] == "arm":
+    test_sys = makeLinuxArmSystem(test_mem_mode, bm[0],
+            bare_metal=options.bare_metal, machine_type=options.machine_type)
 else:
     fatal("incapable of building non-alpha or non-sparc full system!")
 
@@ -126,9 +145,13 @@ test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
 CacheConfig.config_cache(options, test_sys)
 
 if options.caches or options.l2cache:
+    if bm[0]:
+        mem_size = bm[0].mem()
+    else:
+        mem_size = SysConfig().mem()
     test_sys.bridge.filter_ranges_a=[AddrRange(0, Addr.max)]
-    test_sys.bridge.filter_ranges_b=[AddrRange(0, size='8GB')]
-    test_sys.iocache = IOCache(addr_range=AddrRange(0, size='8GB'))
+    test_sys.bridge.filter_ranges_b=[AddrRange(mem_size)]
+    test_sys.iocache = IOCache(addr_range=mem_size)
     test_sys.iocache.cpu_side = test_sys.iobus.port
     test_sys.iocache.mem_side = test_sys.membus.port
 
@@ -148,6 +171,8 @@ if len(bm) == 2:
         drive_sys = makeSparcSystem(drive_mem_mode, bm[1])
     elif buildEnv['TARGET_ISA'] == 'x86':
         drive_sys = makeX86System(drive_mem_mode, np, bm[1])
+    elif buildEnv['TARGET_ISA'] == 'arm':
+        drive_sys = makeLinuxArmSystem(drive_mem_mode, bm[1])
     drive_sys.cpu = DriveCPUClass(cpu_id=0)
     drive_sys.cpu.connectMemPorts(drive_sys.membus)
     if options.fastmem: