blob: 4a4a3812eca0ae6926dee206fbd2a643ecb754e8 [file] [log] [blame]
/*
* Copyright (c) 2021 Huawei International
* 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.
*/
#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