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systemc: Implement a little more of sc_time.

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This change implements a pair of constructors, and some conversion
functions.

Change-Id: Ibd0e9ec5bcc24f4a17896313996b3112b5ef1934
Reviewed-on: https://gem5-review.googlesource.com/12208
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
This commit is contained in:
Gabe Black
2018-08-15 17:42:52 -07:00
parent f30f305774
commit e1e02e91e0
1 changed files with 14 additions and 9 deletions
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23
src/systemc/core/sc_time.cc
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@@ -150,14 +150,16 @@ sc_time::sc_time(const sc_time &t)
val = t.val;
}
sc_time::sc_time(double, bool)
sc_time::sc_time(double d, bool scale)
{
warn("%s not implemented.\n", __PRETTY_FUNCTION__);
//XXX Assuming the time resolution is 1ps, and the default unit is 1ns.
set(this, d, scale ? SC_NS : SC_PS);
}
sc_time::sc_time(sc_dt::uint64, bool)
sc_time::sc_time(sc_dt::uint64 v, bool scale)
{
warn("%s not implemented.\n", __PRETTY_FUNCTION__);
//XXX Assuming the time resolution is 1ps, and the default unit is 1ns.
set(this, static_cast<double>(v), scale ? SC_NS : SC_PS);
}
sc_time &
@@ -181,8 +183,10 @@ sc_time::to_double() const
double
sc_time::to_seconds() const
{
warn("%s not implemented.\n", __PRETTY_FUNCTION__);
return 0.0;
double d = to_double();
//XXX Assuming the time resolution is 1ps.
double scale = TimeUnitScale[SC_PS] / TimeUnitScale[SC_SEC];
return d * scale;
}
const std::string
@@ -283,10 +287,11 @@ sc_time::from_value(sc_dt::uint64 u)
}
sc_time
sc_time::from_seconds(double)
sc_time::from_seconds(double d)
{
warn("%s not implemented.\n", __PRETTY_FUNCTION__);
return sc_time();
sc_time t;
set(&t, d, SC_SEC);
return t;
}
sc_time