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# Copyright (c) 2020 ARM Limited
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#
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# this software without specific prior written permission.
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from __future__ import print_function
from __future__ import absolute_import
import inspect
import m5
from m5.objects import *
from m5.options import *
from common.ObjectList import ObjectList
from common.SysPaths import binary, disk
class ArmBaremetal(ArmFsWorkload):
""" Baremetal workload """
atags_addr = 0
def __init__(self, obj, system, **kwargs):
super(ArmBaremetal, self).__init__(**kwargs)
self.object_file = obj
class ArmTrustedFirmware(ArmFsWorkload):
"""
Arm Trusted Firmware (TFA) workload.
It models the firmware design described at:
https://trustedfirmware-a.readthedocs.io/en/latest/design/firmware-design.html
The Workload is expecting to find a set of firmare images under
the M5_PATH/binaries path. Those images are:
* bl1.bin (BL1 = Stage 1 Bootloader)
* fip.bin (FIP = Firmware Image Package):
BL2, BL31, BL33 binaries compiled under a singe package
These are the results of the compilation of Arm Trusted Firmware.
https://github.com/ARM-software/arm-trusted-firmware
"""
atags_addr = 0
def __init__(self, obj, system, **kwargs):
super(ArmTrustedFirmware, self).__init__(**kwargs)
self.extras = [ binary('bl1.bin'), binary('fip.bin'), ]
self.extras_addrs = [
system.realview.bootmem.range.start,
system.realview.flash0.range.start
]
# Arm Trusted Firmware will provide a PSCI implementation
system._have_psci = True
class _WorkloadList(ObjectList):
def _add_objects(self):
"""Add all sub-classes of the base class in the object hierarchy."""
modname = sys.modules[__name__]
for name, cls in inspect.getmembers(modname, self._is_obj_class):
self._sub_classes[name] = cls
workload_list = _WorkloadList(getattr(m5.objects, 'ArmFsWorkload', None))