python: Don't assume SimObjects live in the global namespace

The importer in Python 3 doesn't like the way we import SimObjects
from the global namespace. Convert the existing SimObject declarations
to import from m5.objects. As a side-effect, this makes these files
consistent with configuration files.

Change-Id: I11153502b430822130722839e1fa767b82a027aa
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/15981
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>

src/dev/arm/EnergyCtrl.py

@@ -39,7 +39,7 @@
 
 from m5.params import *
 from m5.SimObject import SimObject
-from Device import BasicPioDevice
+from m5.objects.Device import BasicPioDevice
 from m5.proxy import *
 from m5.util.fdthelper import *
 

src/dev/arm/FlashDevice.py

@@ -38,7 +38,8 @@
 
 from m5.params import *
 from m5.proxy import *
-from AbstractNVM import *
+
+from m5.objects.AbstractNVM import *
 
 #Distribution of the data.
 #sequential: sequential (address n+1 is likely to be on the same plane as n)

src/dev/arm/Gic.py

@@ -40,8 +40,8 @@ from m5.proxy import *
 from m5.util.fdthelper import *
 from m5.SimObject import SimObject
 
-from Device import PioDevice
-from Platform import Platform
+from m5.objects.Device import PioDevice
+from m5.objects.Platform import Platform
 
 class BaseGic(PioDevice):
     type = 'BaseGic'

src/dev/arm/NoMali.py

@@ -36,8 +36,9 @@
 # Authors: Andreas Sandberg
 
 from m5.params import *
-from Device import BasicPioDevice
-from Gic import *
+
+from m5.objects.Device import BasicPioDevice
+from m5.objects.Gic import *
 
 class NoMaliGpuType(Enum): vals = [
     'T60x',

src/dev/arm/RealView.py

@@ -45,31 +45,32 @@ from m5.defines import buildEnv
 from m5.params import *
 from m5.proxy import *
 from m5.util.fdthelper import *
-from ClockDomain import ClockDomain
-from VoltageDomain import VoltageDomain
-from Device import BasicPioDevice, PioDevice, IsaFake, BadAddr, DmaDevice
-from PciHost import *
-from Ethernet import NSGigE, IGbE_igb, IGbE_e1000
-from Ide import *
-from Platform import Platform
-from Terminal import Terminal
-from Uart import Uart
-from SimpleMemory import SimpleMemory
-from Gic import *
-from EnergyCtrl import EnergyCtrl
-from ClockedObject import ClockedObject
-from ClockDomain import SrcClockDomain
-from SubSystem import SubSystem
-from Graphics import ImageFormat
-from ClockedObject import ClockedObject
-from PS2 import *
-from VirtIOMMIO import MmioVirtIO
+from m5.objects.ClockDomain import ClockDomain
+from m5.objects.VoltageDomain import VoltageDomain
+from m5.objects.Device import \
+    BasicPioDevice, PioDevice, IsaFake, BadAddr, DmaDevice
+from m5.objects.PciHost import *
+from m5.objects.Ethernet import NSGigE, IGbE_igb, IGbE_e1000
+from m5.objects.Ide import *
+from m5.objects.Platform import Platform
+from m5.objects.Terminal import Terminal
+from m5.objects.Uart import Uart
+from m5.objects.SimpleMemory import SimpleMemory
+from m5.objects.Gic import *
+from m5.objects.EnergyCtrl import EnergyCtrl
+from m5.objects.ClockedObject import ClockedObject
+from m5.objects.ClockDomain import SrcClockDomain
+from m5.objects.SubSystem import SubSystem
+from m5.objects.Graphics import ImageFormat
+from m5.objects.ClockedObject import ClockedObject
+from m5.objects.PS2 import *
+from m5.objects.VirtIOMMIO import MmioVirtIO
 
 # Platforms with KVM support should generally use in-kernel GIC
 # emulation. Use a GIC model that automatically switches between
 # gem5's GIC model and KVM's GIC model if KVM is available.
 try:
-    from KvmGic import MuxingKvmGic
+    from m5.objects.KvmGic import MuxingKvmGic
     kvm_gicv2_class = MuxingKvmGic
 except ImportError:
     # KVM support wasn't compiled into gem5. Fallback to a

src/dev/arm/UFSHostDevice.py

@@ -38,8 +38,8 @@
 import sys
 from m5.params import *
 from m5.proxy import *
-from Device import DmaDevice
-from AbstractNVM import *
+from m5.objects.Device import DmaDevice
+from m5.objects.AbstractNVM import *
 
 class UFSHostDevice(DmaDevice):
     type = 'UFSHostDevice'

src/dev/arm/VirtIOMMIO.py

@@ -41,9 +41,9 @@ from m5.SimObject import SimObject
 from m5.params import *
 from m5.proxy import *
 
-from Device import BasicPioDevice
-from Gic import ArmInterruptPin
-from VirtIO import VirtIODeviceBase, VirtIODummyDevice
+from m5.objects.Device import BasicPioDevice
+from m5.objects.Gic import ArmInterruptPin
+from m5.objects.VirtIO import VirtIODeviceBase, VirtIODummyDevice
 
 class MmioVirtIO(BasicPioDevice):
     type = 'MmioVirtIO'