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/*
* Copyright 2020 Google Inc.
*
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* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
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* 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
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __ARCH_MIPS_SE_WORKLOAD_HH__
#define __ARCH_MIPS_SE_WORKLOAD_HH__
#include "arch/mips/regs/int.hh"
#include "arch/mips/remote_gdb.hh"
#include "params/MipsSEWorkload.hh"
#include "sim/se_workload.hh"
#include "sim/syscall_abi.hh"
#include "sim/syscall_desc.hh"
namespace gem5
{
namespace MipsISA
{
class SEWorkload : public gem5::SEWorkload
{
public:
using Params = MipsSEWorkloadParams;
SEWorkload(const Params &p) : gem5::SEWorkload(p) {}
void
setSystem(System *sys) override
{
gem5::SEWorkload::setSystem(sys);
gdb = BaseRemoteGDB::build<RemoteGDB>(system);
}
loader::Arch getArch() const override { return loader::Mips; }
struct SyscallABI : public GenericSyscallABI64
{
static const std::vector<int> ArgumentRegs;
};
};
} // namespace MipsISA
GEM5_DEPRECATED_NAMESPACE(GuestABI, guest_abi);
namespace guest_abi
{
template <>
struct Result<MipsISA::SEWorkload::SyscallABI, SyscallReturn>
{
static void
store(ThreadContext *tc, const SyscallReturn &ret)
{
if (ret.suppressed() || ret.needsRetry())
return;
if (ret.successful()) {
// no error
tc->setIntReg(MipsISA::SyscallSuccessReg, 0);
tc->setIntReg(MipsISA::ReturnValueReg, ret.returnValue());
} else {
// got an error, return details
tc->setIntReg(MipsISA::SyscallSuccessReg, (uint32_t)(-1));
tc->setIntReg(MipsISA::ReturnValueReg, ret.errnoValue());
}
if (ret.count() > 1)
tc->setIntReg(MipsISA::SyscallPseudoReturnReg, ret.value2());
}
};
} // namespace guest_abi
} // namespace gem5
#endif // __ARCH_MIPS_SE_WORKLOAD_HH__