process.cc (6650:f23a18fec0ef) process.cc (6701:4842482e1bd1)
1/*
2 * Copyright (c) 2005 The Regents of The University of Michigan
3 * Copyright (c) 2007 MIPS Technologies, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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46using namespace std;
47using namespace MipsISA;
48
49/// Target uname() handler.
50static SyscallReturn
51unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
52 ThreadContext *tc)
53{
1/*
2 * Copyright (c) 2005 The Regents of The University of Michigan
3 * Copyright (c) 2007 MIPS Technologies, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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46using namespace std;
47using namespace MipsISA;
48
49/// Target uname() handler.
50static SyscallReturn
51unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
52 ThreadContext *tc)
53{
54 TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, 0));
54 int index = 0;
55 TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index));
55
56 strcpy(name->sysname, "Linux");
57 strcpy(name->nodename,"m5.eecs.umich.edu");
58 strcpy(name->release, "2.4.20");
59 strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
60 strcpy(name->machine, "mips");
61
62 name.copyOut(tc->getMemPort());
63 return 0;
64}
65
66/// Target sys_getsysyinfo() handler. Even though this call is
67/// borrowed from Tru64, the subcases that get used appear to be
68/// different in practice from those used by Tru64 processes.
69static SyscallReturn
70sys_getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
71 ThreadContext *tc)
72{
56
57 strcpy(name->sysname, "Linux");
58 strcpy(name->nodename,"m5.eecs.umich.edu");
59 strcpy(name->release, "2.4.20");
60 strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
61 strcpy(name->machine, "mips");
62
63 name.copyOut(tc->getMemPort());
64 return 0;
65}
66
67/// Target sys_getsysyinfo() handler. Even though this call is
68/// borrowed from Tru64, the subcases that get used appear to be
69/// different in practice from those used by Tru64 processes.
70static SyscallReturn
71sys_getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
72 ThreadContext *tc)
73{
73 unsigned op = process->getSyscallArg(tc, 0);
74 // unsigned nbytes = process->getSyscallArg(tc, 2);
74 int index = 0;
75 unsigned op = process->getSyscallArg(tc, index);
76 unsigned bufPtr = process->getSyscallArg(tc, index);
77 // unsigned nbytes = process->getSyscallArg(tc, index);
75
76 switch (op) {
77 case 45:
78 {
79 // GSI_IEEE_FP_CONTROL
78
79 switch (op) {
80 case 45:
81 {
82 // GSI_IEEE_FP_CONTROL
80 TypedBufferArg<uint64_t> fpcr(process->getSyscallArg(tc, 1));
83 TypedBufferArg<uint64_t> fpcr(bufPtr);
81 // I don't think this exactly matches the HW FPCR
82 *fpcr = 0;
83 fpcr.copyOut(tc->getMemPort());
84 return 0;
85 }
86 default:
87 cerr << "sys_getsysinfo: unknown op " << op << endl;
88 abort();
89 break;
90 }
91
92 return 1;
93}
94
95/// Target sys_setsysinfo() handler.
96static SyscallReturn
97sys_setsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
98 ThreadContext *tc)
99{
84 // I don't think this exactly matches the HW FPCR
85 *fpcr = 0;
86 fpcr.copyOut(tc->getMemPort());
87 return 0;
88 }
89 default:
90 cerr << "sys_getsysinfo: unknown op " << op << endl;
91 abort();
92 break;
93 }
94
95 return 1;
96}
97
98/// Target sys_setsysinfo() handler.
99static SyscallReturn
100sys_setsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
101 ThreadContext *tc)
102{
100 unsigned op = process->getSyscallArg(tc, 0);
101 // unsigned nbytes = process->getSyscallArg(tc, 2);
103 int index = 0;
104 unsigned op = process->getSyscallArg(tc, index);
105 Addr bufPtr = process->getSyscallArg(tc, index);
106 // unsigned nbytes = process->getSyscallArg(tc, index);
102
103 switch (op) {
104
105 case 14:
106 {
107 // SSI_IEEE_FP_CONTROL
107
108 switch (op) {
109
110 case 14:
111 {
112 // SSI_IEEE_FP_CONTROL
108 TypedBufferArg<uint64_t> fpcr(process->getSyscallArg(tc, 1));
113 TypedBufferArg<uint64_t> fpcr(bufPtr);
109 // I don't think this exactly matches the HW FPCR
110 fpcr.copyIn(tc->getMemPort());
111 DPRINTFR(SyscallVerbose, "sys_setsysinfo(SSI_IEEE_FP_CONTROL): "
112 " setting FPCR to 0x%x\n", gtoh(*(uint64_t*)fpcr));
113 return 0;
114 }
115 default:
116 cerr << "sys_setsysinfo: unknown op " << op << endl;

--- 315 unchanged lines hidden --- 		114 // I don't think this exactly matches the HW FPCR
115 fpcr.copyIn(tc->getMemPort());
116 DPRINTFR(SyscallVerbose, "sys_setsysinfo(SSI_IEEE_FP_CONTROL): "
117 " setting FPCR to 0x%x\n", gtoh(*(uint64_t*)fpcr));
118 return 0;
119 }
120 default:
121 cerr << "sys_setsysinfo: unknown op " << op << endl;

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