blob: e29a03bbd5ec42e64b549648df0dbcb3f7a0c251 [file] [log] [blame]
/*
* Copyright (c) 2007 The Hewlett-Packard Development Company
* All rights reserved.
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* 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 __ARCH_X86_PROCESS_HH__
#define __ARCH_X86_PROCESS_HH__
#include <string>
#include <vector>
#include "arch/x86/pagetable.hh"
#include "mem/multi_level_page_table.hh"
#include "sim/aux_vector.hh"
#include "sim/process.hh"
namespace gem5
{
class SyscallDesc;
namespace X86ISA
{
namespace auxv
{
enum X86AuxiliaryVectorTypes
{
Sysinfo = 32,
SysinfoEhdr = 33
};
} // namespace auxv
class X86Process : public Process
{
protected:
Addr _gdtStart;
Addr _gdtSize;
X86Process(const ProcessParams &params, loader::ObjectFile *objFile);
template<class IntType>
void argsInit(int pageSize,
std::vector<gem5::auxv::AuxVector<IntType>> extraAuxvs);
public:
Addr gdtStart() const { return _gdtStart; }
Addr gdtSize() const { return _gdtSize; }
void clone(ThreadContext *old_tc, ThreadContext *new_tc,
Process *process, RegVal flags) override;
X86Process &
operator=(const X86Process &in)
{
if (this == &in)
return *this;
_gdtStart = in._gdtStart;
_gdtSize = in._gdtSize;
return *this;
}
};
class X86_64Process : public X86Process
{
protected:
class VSyscallPage
{
public:
Addr base;
Addr size;
Addr vtimeOffset;
Addr vgettimeofdayOffset;
VSyscallPage &
operator=(const VSyscallPage &in)
{
if (this == &in)
return *this;
base = in.base;
size = in.size;
vtimeOffset = in.vtimeOffset;
vgettimeofdayOffset = in.vgettimeofdayOffset;
return *this;
}
};
VSyscallPage vsyscallPage;
public:
X86_64Process(const ProcessParams &params,
loader::ObjectFile *objFile);
void argsInit(int pageSize);
void initState() override;
void clone(ThreadContext *old_tc, ThreadContext *new_tc,
Process *process, RegVal flags) override;
};
class I386Process : public X86Process
{
protected:
class VSyscallPage
{
public:
Addr base;
Addr size;
Addr vsyscallOffset;
Addr vsysexitOffset;
VSyscallPage &
operator=(const VSyscallPage &in)
{
if (this == &in)
return *this;
base = in.base;
size = in.size;
vsyscallOffset = in.vsyscallOffset;
vsysexitOffset = in.vsysexitOffset;
return *this;
}
};
VSyscallPage vsyscallPage;
public:
I386Process(const ProcessParams &params,
loader::ObjectFile *objFile);
const VSyscallPage &getVSyscallPage() const { return vsyscallPage; }
void argsInit(int pageSize);
void initState() override;
void clone(ThreadContext *old_tc, ThreadContext *new_tc,
Process *process, RegVal flags) override;
};
} // namespace X86ISA
} // namespace gem5
#endif // __ARCH_X86_PROCESS_HH__