| /* |
| * 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. |
| * |
| * Authors: Gabe Black |
| */ |
| |
| #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" |
| |
| class SyscallDesc; |
| |
| namespace X86ISA |
| { |
| enum X86AuxiliaryVectorTypes { |
| M5_AT_SYSINFO = 32, |
| M5_AT_SYSINFO_EHDR = 33 |
| }; |
| |
| class X86Process : public Process |
| { |
| protected: |
| Addr _gdtStart; |
| Addr _gdtSize; |
| |
| SyscallDesc *syscallDescs; |
| const int numSyscallDescs; |
| |
| X86Process(ProcessParams * params, ObjectFile *objFile, |
| SyscallDesc *_syscallDescs, int _numSyscallDescs); |
| |
| template<class IntType> |
| void argsInit(int pageSize, |
| std::vector<AuxVector<IntType> > extraAuxvs); |
| |
| public: |
| Addr gdtStart() |
| { return _gdtStart; } |
| |
| Addr gdtSize() |
| { return _gdtSize; } |
| |
| SyscallDesc* getDesc(int callnum) override; |
| |
| void setSyscallReturn(ThreadContext *tc, |
| SyscallReturn return_value) override; |
| 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; |
| syscallDescs = in.syscallDescs; |
| |
| return *this; |
| } |
| }; |
| |
| class X86_64Process : public X86Process |
| { |
| protected: |
| X86_64Process(ProcessParams *params, ObjectFile *objFile, |
| SyscallDesc *_syscallDescs, int _numSyscallDescs); |
| |
| 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: |
| void argsInit(int pageSize); |
| void initState() override; |
| |
| RegVal getSyscallArg(ThreadContext *tc, int &i) override; |
| /// Explicitly import the otherwise hidden getSyscallArg |
| using Process::getSyscallArg; |
| void clone(ThreadContext *old_tc, ThreadContext *new_tc, |
| Process *process, RegVal flags) override; |
| }; |
| |
| class I386Process : public X86Process |
| { |
| protected: |
| I386Process(ProcessParams *params, ObjectFile *objFile, |
| SyscallDesc *_syscallDescs, int _numSyscallDescs); |
| |
| 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: |
| void argsInit(int pageSize); |
| void initState() override; |
| |
| RegVal getSyscallArg(ThreadContext *tc, int &i) override; |
| RegVal getSyscallArg(ThreadContext *tc, int &i, int width) override; |
| void clone(ThreadContext *old_tc, ThreadContext *new_tc, |
| Process *process, RegVal flags) override; |
| }; |
| |
| } |
| |
| #endif // __ARCH_X86_PROCESS_HH__ |