1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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77 { return _gdtStart; }
78
79 Addr gdtSize()
80 { return _gdtSize; }
81
82 SyscallDesc* getDesc(int callnum);
83
84 void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value);
85 };
86
87 class X86_64Process : public X86Process
88 {
89 protected:
90 X86_64Process(ProcessParams *params, ObjectFile *objFile,
91 SyscallDesc *_syscallDescs, int _numSyscallDescs);
92
93 class VSyscallPage
94 {
95 public:
96 Addr base;
97 Addr size;
98 Addr vtimeOffset;
99 Addr vgettimeofdayOffset;
100 };
101 VSyscallPage vsyscallPage;
102
103 public:
104 void argsInit(int pageSize);
105 void initState();
106
107 X86ISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
108 /// Explicitly import the otherwise hidden getSyscallArg
109 using Process::getSyscallArg;
110 void setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val);
111 };
112
113 class I386Process : public X86Process
114 {
115 protected:
116 I386Process(ProcessParams *params, ObjectFile *objFile,
117 SyscallDesc *_syscallDescs, int _numSyscallDescs);
118
119 class VSyscallPage
120 {
121 public:
122 Addr base;
123 Addr size;
124 Addr vsyscallOffset;
125 Addr vsysexitOffset;
126 };
127 VSyscallPage vsyscallPage;
128
129 public:
130 void argsInit(int pageSize);
131 void initState();
132
133 void syscall(int64_t callnum, ThreadContext *tc, Fault *fault);
134 X86ISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
135 X86ISA::IntReg getSyscallArg(ThreadContext *tc, int &i, int width);
136 void setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val);
137 };
138
139 /**
140 * Declaration of architectural page table for x86.
141 *
142 * These page tables are stored in system memory and respect x86 specification.
143 */
144 typedef MultiLevelPageTable<PageTableOps> ArchPageTable;
145
146}
147
148#endif // __ARCH_X86_PROCESS_HH__