115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <string>
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#include <vector>
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#include "host/libs/vm_manager/vm_manager.h"
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#include "common/libs/fs/shared_fd.h"
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namespace cuttlefish {
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namespace vm_manager {
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// Starts a guest VM using the gem5 command directly. It requires the host
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// package to support the gem5 capability.
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class Gem5Manager : public VmManager {
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public:
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static std::string name() { return "gem5"; }
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Gem5Manager(Arch);
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virtual ~Gem5Manager() = default;
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bool IsSupported() override;
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std::vector<std::string> ConfigureGraphics(
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const CuttlefishConfig& config) override;
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std::string ConfigureBootDevices(int num_disks) override;
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std::vector<cuttlefish::Command> StartCommands(
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const CuttlefishConfig& config) override;
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private:
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Arch arch_;
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};
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const std::string fs_header = R"CPP_STR_END(import argparse
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import devices
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import os
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import m5
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from m5.util import addToPath
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from m5.objects import *
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from m5.options import *
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from common import SysPaths
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from common import ObjectList
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from common import MemConfig
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from common.cores.arm import HPI
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m5.util.addToPath('../..')
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)CPP_STR_END";
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const std::string fs_mem_pci = R"CPP_STR_END(
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MemConfig.config_mem(args, root.system)
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pci_devices = []
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pci_devices.append(PciVirtIO(vio=VirtIOConsole(device=Terminal(number=0))))
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pci_devices.append(PciVirtIO(vio=VirtIOConsole(device=Terminal(number=1, outfile="none"))))
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pci_devices.append(PciVirtIO(vio=VirtIOConsole(device=Terminal(number=2))))
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pci_devices.append(PciVirtIO(vio=VirtIOConsole(device=Terminal(number=3, outfile="none"))))
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pci_devices.append(PciVirtIO(vio=VirtIOConsole(device=Terminal(number=4, outfile="none"))))
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pci_devices.append(PciVirtIO(vio=VirtIOConsole(device=Terminal(number=5, outfile="none"))))
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pci_devices.append(PciVirtIO(vio=VirtIOConsole(device=Terminal(number=6, outfile="none"))))
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for each_item in args.disk_image:
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disk_image = CowDiskImage()
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disk_image.child.image_file = SysPaths.disk(each_item)
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pci_devices.append(PciVirtIO(vio=VirtIOBlock(image=disk_image)))
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root.system.pci_devices = pci_devices
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for pci_device in root.system.pci_devices:
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root.system.attach_pci(pci_device)
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root.system.connect()
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)CPP_STR_END";
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const std::string fs_kernel_cmd = R"CPP_STR_END(
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kernel_cmd = [
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"lpj=19988480",
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"norandmaps",
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"mem=%s" % args.mem_size,
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"console=hvc0",
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"panic=-1",
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"earlycon=pl011,mmio32,0x1c090000",
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"audit=1",
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"printk.devkmsg=on",
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"firmware_class.path=/vendor/etc/",
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"kfence.sample_interval=500",
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"loop.max_part=7",
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"bootconfig",
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"androidboot.force_normal_boot=1",
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]
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root.system.workload.command_line = " ".join(kernel_cmd)
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m5.instantiate()
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sys.exit(m5.simulate().getCode())
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)CPP_STR_END";
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const std::string fs_exe_main = R"CPP_STR_END(
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if __name__ == "__m5_main__":
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main()
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)CPP_STR_END";
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} // namespace vm_manager
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} // namespace cuttlefish
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