syscall_emul.hh (7720:65d338a8dba4) syscall_emul.hh (7823:dac01f14f20f)
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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358const unsigned seconds_since_epoch = 1000000000;
359
360/// Helper function to convert current elapsed time to seconds and
361/// microseconds.
362template <class T1, class T2>
363void
364getElapsedTime(T1 &sec, T2 &usec)
365{
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 349 unchanged lines hidden (view full) ---

358const unsigned seconds_since_epoch = 1000000000;
359
360/// Helper function to convert current elapsed time to seconds and
361/// microseconds.
362template <class T1, class T2>
363void
364getElapsedTime(T1 &sec, T2 &usec)
365{
366 int elapsed_usecs = curTick / SimClock::Int::us;
366 int elapsed_usecs = curTick() / SimClock::Int::us;
367 sec = elapsed_usecs / one_million;
368 usec = elapsed_usecs % one_million;
369}
370
371//////////////////////////////////////////////////////////////////////
372//
373// The following emulation functions are generic, but need to be
374// templated to account for differences in types, constants, etc.

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1185SyscallReturn
1186timesFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
1187 ThreadContext *tc)
1188{
1189 int index = 0;
1190 TypedBufferArg<typename OS::tms> bufp(process->getSyscallArg(tc, index));
1191
1192 // Fill in the time structure (in clocks)
367 sec = elapsed_usecs / one_million;
368 usec = elapsed_usecs % one_million;
369}
370
371//////////////////////////////////////////////////////////////////////
372//
373// The following emulation functions are generic, but need to be
374// templated to account for differences in types, constants, etc.

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1185SyscallReturn
1186timesFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
1187 ThreadContext *tc)
1188{
1189 int index = 0;
1190 TypedBufferArg<typename OS::tms> bufp(process->getSyscallArg(tc, index));
1191
1192 // Fill in the time structure (in clocks)
1193 int64_t clocks = curTick * OS::M5_SC_CLK_TCK / SimClock::Int::s;
1193 int64_t clocks = curTick() * OS::M5_SC_CLK_TCK / SimClock::Int::s;
1194 bufp->tms_utime = clocks;
1195 bufp->tms_stime = 0;
1196 bufp->tms_cutime = 0;
1197 bufp->tms_cstime = 0;
1198
1199 // Convert to host endianness
1200 bufp->tms_utime = htog(bufp->tms_utime);
1201

--- 30 unchanged lines hidden --- 		1194 bufp->tms_utime = clocks;
1195 bufp->tms_stime = 0;
1196 bufp->tms_cutime = 0;
1197 bufp->tms_cstime = 0;
1198
1199 // Convert to host endianness
1200 bufp->tms_utime = htog(bufp->tms_utime);
1201

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