1# Copyright (c) 2007 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright --- 13 unchanged lines hidden (view full) --- 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Nathan Binkert 28 29import sys |
30from m5.util import warn |
31 32tps = 1.0e12 # default to 1 THz (1 Tick == 1 ps) 33tps_fixed = False # once set to true, can't be changed 34 35# fix the global frequency and tell C++ about it 36def fixGlobalFrequency(): 37 import internal 38 global tps, tps_fixed --- 38 unchanged lines hidden (view full) --- 77 return 0 78 79 # convert the value from time to ticks 80 value *= tps 81 82 int_value = int(round(value)) 83 err = (value - int_value) / value 84 if err > frequency_tolerance: |
85 warn("rounding error > tolerance\n %f rounded to %d", value, 86 int_value) |
87 return int_value 88 89__all__ = [ 'setGlobalFrequency', 'fixGlobalFrequency', 'fromSeconds', 90 'frequency_tolerance' ] |