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/*
* Copyright (c) 2007-2008 The Florida State University
* Copyright (c) 2009 The University of Edinburgh
* 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.
*/
#ifndef __POWER_PROCESS_HH__
#define __POWER_PROCESS_HH__
#include <string>
#include <vector>
#include "mem/page_table.hh"
#include "sim/process.hh"
#include "sim/syscall_abi.hh"
namespace Loader
{
class ObjectFile;
} // namespace Loader;
class PowerProcess : public Process
{
protected:
PowerProcess(ProcessParams * params, ::Loader::ObjectFile *objFile);
void initState() override;
public:
void argsInit(int intSize, int pageSize);
struct SyscallABI : public GenericSyscallABI64
{
static const std::vector<int> ArgumentRegs;
};
};
namespace GuestABI
{
template <>
struct Result<PowerProcess::SyscallABI, SyscallReturn>
{
static void
store(ThreadContext *tc, const SyscallReturn &ret)
{
if (ret.suppressed() || ret.needsRetry())
return;
PowerISA::Cr cr = tc->readIntReg(PowerISA::INTREG_CR);
if (ret.successful()) {
cr.cr0.so = 0;
} else {
cr.cr0.so = 1;
}
tc->setIntReg(PowerISA::INTREG_CR, cr);
tc->setIntReg(PowerISA::ReturnValueReg, ret.encodedValue());
}
};
} // namespace GuestABI
#endif // __POWER_PROCESS_HH__