| # Copyright (c) 2021 The Regents of the University of California |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution; |
| # neither the name of the copyright holders nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| from .abstract_board import AbstractBoard |
| from ...resources.resource import AbstractResource |
| |
| from m5.objects import SEWorkload, Process |
| |
| class SEBinaryWorkload: |
| """ |
| This class is used to enable simple Syscall-Execution (SE) mode execution |
| of a binary. |
| |
| For this to function correctly the SEBinaryWorkload class should be added |
| as a superclass to a board (i.e., something that inherits from |
| AbstractBoard). |
| """ |
| |
| def set_se_binary_workload(self, binary: AbstractResource) -> None: |
| """Set up the system to run a specific binary. |
| |
| **Limitations** |
| * Only supports single threaded applications |
| * Dynamically linked executables are partially supported when the host |
| ISA and the simulated ISA are the same. |
| |
| :param binary: The resource encapsulating the binary to be run. |
| """ |
| |
| # We assume this this is in a multiple-inheritance setup with an |
| # Abstract board. This function will not work otherwise. |
| assert(isinstance(self,AbstractBoard)) |
| |
| # If we are setting a workload of this type, we need to run as a |
| # SE-mode simulation. |
| self._set_fullsystem(False) |
| |
| self.workload = SEWorkload.init_compatible(binary.get_local_path()) |
| |
| process = Process() |
| process.cmd = [binary.get_local_path()] |
| self.get_processor().get_cores()[0].set_workload(process) |