changeset 04cba5a03e2e in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=04cba5a03e2e
description:
syscall: Implementation of the time system call.
diffstat:
2 files changed, 20 insertions(+)
src/kern/linux/linux.hh | 1 +
src/sim/syscall_emul.hh | 19 +++++++++++++++++++
diffs (40 lines):
diff -r 5e0fcc528fe5 -r 04cba5a03e2e src/kern/linux/linux.hh
--- a/src/kern/linux/linux.hh Sat Oct 24 10:53:57 2009 -0700
+++ b/src/kern/linux/linux.hh Sat Oct 24 10:53:57 2009 -0700
@@ -62,6 +62,7 @@
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 -r 5e0fcc528fe5 -r 04cba5a03e2e src/sim/syscall_emul.hh
--- a/src/sim/syscall_emul.hh Sat Oct 24 10:53:57 2009 -0700
+++ b/src/sim/syscall_emul.hh Sat Oct 24 10:53:57 2009 -0700
@@ -1156,6 +1156,25 @@
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__
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