process.hh revision 7073
12SN/A/*
21762SN/A * Copyright (c) 2007 The Hewlett-Packard Development Company
32SN/A * All rights reserved.
42SN/A *
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82SN/A *
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222SN/A *     Hewlett-Packard Company
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252SN/A *
262SN/A * Redistributions of source code must retain the above copyright notice,
272665Ssaidi@eecs.umich.edu * this list of conditions and the following disclaimer.  Redistributions
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432SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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482410SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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532410SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
542410SN/A *
552410SN/A * Authors: Gabe Black
562410SN/A */
572410SN/A
582410SN/A#ifndef __ARCH_X86_PROCESS_HH__
592410SN/A#define __ARCH_X86_PROCESS_HH__
602SN/A
612SN/A#include <string>
622SN/A#include <vector>
632410SN/A#include "sim/process.hh"
642SN/A
652SN/Aclass SyscallDesc;
662SN/A
672410SN/Anamespace X86ISA
68{
69    enum X86AuxiliaryVectorTypes {
70        M5_AT_SYSINFO = 32,
71        M5_AT_SYSINFO_EHDR = 33
72    };
73
74    class X86LiveProcess : public LiveProcess
75    {
76      protected:
77        Addr _gdtStart;
78        Addr _gdtSize;
79
80        SyscallDesc *syscallDescs;
81        const int numSyscallDescs;
82
83        X86LiveProcess(LiveProcessParams * params, ObjectFile *objFile,
84                SyscallDesc *_syscallDescs, int _numSyscallDescs);
85
86        template<class IntType>
87        void argsInit(int pageSize,
88                std::vector<AuxVector<IntType> > extraAuxvs);
89
90      public:
91        Addr gdtStart()
92        { return _gdtStart; }
93
94        Addr gdtSize()
95        { return _gdtSize; }
96
97        SyscallDesc* getDesc(int callnum);
98
99        void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value);
100    };
101
102    class X86_64LiveProcess : public X86LiveProcess
103    {
104      protected:
105        X86_64LiveProcess(LiveProcessParams *params, ObjectFile *objFile,
106                SyscallDesc *_syscallDescs, int _numSyscallDescs);
107
108        class VSyscallPage
109        {
110          public:
111            Addr base;
112            Addr size;
113            Addr vtimeOffset;
114            Addr vgettimeofdayOffset;
115        };
116        VSyscallPage vsyscallPage;
117
118      public:
119        void argsInit(int intSize, int pageSize);
120        void startup();
121
122        X86ISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
123        void setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val);
124    };
125
126    class I386LiveProcess : public X86LiveProcess
127    {
128      protected:
129        I386LiveProcess(LiveProcessParams *params, ObjectFile *objFile,
130                SyscallDesc *_syscallDescs, int _numSyscallDescs);
131
132        class VSyscallPage
133        {
134          public:
135            Addr base;
136            Addr size;
137            Addr vsyscallOffset;
138            Addr vsysexitOffset;
139        };
140        VSyscallPage vsyscallPage;
141
142      public:
143        void argsInit(int intSize, int pageSize);
144        void startup();
145
146        void syscall(int64_t callnum, ThreadContext *tc);
147        X86ISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
148        X86ISA::IntReg getSyscallArg(ThreadContext *tc, int &i, int width);
149        void setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val);
150    };
151}
152
153#endif // __ARCH_X86_PROCESS_HH__
154