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| author | Timothy M. Jones <tjones1@inf.ed.ac.uk> | 2009-10-24 10:53:57 -0700 |
|---|---|---|
| committer | Timothy M. Jones <tjones1@inf.ed.ac.uk> | 2009-10-24 10:53:57 -0700 |
| commit | 7cdd5316abaf91755edd9186d3836ff371902146 (patch) | |
| tree | afe2df61811839a90771807e6fbf50a1af7ec49d | |
| parent | 6c60db8ce99eabdbfcbe0f78a50817494142e39e (diff) | |
| download | gem5-7cdd5316abaf91755edd9186d3836ff371902146.tar.xz | |
syscall: Implementation of the time system call.
| -rw-r--r-- | src/kern/linux/linux.hh | 1 | ||||
| -rw-r--r-- | src/sim/syscall_emul.hh | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/src/kern/linux/linux.hh b/src/kern/linux/linux.hh index 2df323712..736213762 100644 --- a/src/kern/linux/linux.hh +++ b/src/kern/linux/linux.hh @@ -62,6 +62,7 @@ class Linux : public OperatingSystem typedef uint64_t size_t; typedef uint64_t off_t; typedef int64_t time_t; + typedef int64_t clock_t; typedef uint32_t uid_t; typedef uint32_t gid_t; //@} diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh index ce7c7fa87..6937e35f0 100644 --- a/src/sim/syscall_emul.hh +++ b/src/sim/syscall_emul.hh @@ -1156,6 +1156,25 @@ timesFunc(SyscallDesc *desc, int callnum, LiveProcess *process, return clocks; } +/// Target time() function. +template <class OS> +SyscallReturn +timeFunc(SyscallDesc *desc, int callnum, LiveProcess *process, + ThreadContext *tc) +{ + typename OS::time_t sec, usec; + getElapsedTime(sec, usec); + sec += seconds_since_epoch; + + Addr taddr = (Addr)process->getSyscallArg(tc, 0); + if(taddr != 0) { + typename OS::time_t t = sec; + t = htog(t); + TranslatingPort *p = tc->getMemPort(); + p->writeBlob(taddr, (uint8_t*)&t, (int)sizeof(typename OS::time_t)); + } + return sec; +} #endif // __SIM_SYSCALL_EMUL_HH__ |