fs_workload.cc

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/*
 * Copyright (c) 2021 Huawei International
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#include "arch/riscv/linux/fs_workload.hh"
 
#include "arch/riscv/faults.hh"
#include "base/loader/dtb_file.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
#include "sim/kernel_workload.hh"
#include "sim/system.hh"
 
namespace gem5
{
 
namespace RiscvISA
{
 
void
FsLinux::initState()
{
    KernelWorkload::initState();
 
    if (params().dtb_filename != "") {
        inform("Loading DTB file: %s at address %#x\n", params().dtb_filename,
                params().dtb_addr);
 
        auto *dtb_file = new loader::DtbFile(params().dtb_filename);
 
        if (!dtb_file->addBootCmdLine(
                    commandLine.c_str(), commandLine.size())) {
            warn("couldn't append bootargs to DTB file: %s\n",
                 params().dtb_filename);
        }
 
        dtb_file->buildImage().offset(params().dtb_addr)
            .write(system->physProxy);
        delete dtb_file;
 
        for (auto *tc: system->threads) {
            tc->setReg(int_reg::A1, params().dtb_addr);
        }
    } else {
        warn("No DTB file specified\n");
    }
 
    for (auto *tc: system->threads) {
        RiscvISA::Reset().invoke(tc);
        tc->activate();
    }
}
 
} // namespace RiscvISA
} // namespace gem5