1# Copyright (c) 2013 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated

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

30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35#
36# Authors: Vasileios Spiliopoulos
37# Akash Bagdia
38
39from m5.params import *
40from m5.SimObject import SimObject
41from m5.proxy import *
42
43# Abstract clock domain
44class ClockDomain(SimObject):
45 type = 'ClockDomain'
46 cxx_header = "sim/clock_domain.hh"
47 abstract = True
48
49# Source clock domain with an actual clock
50class SrcClockDomain(ClockDomain):
51 type = 'SrcClockDomain'
52 cxx_header = "sim/clock_domain.hh"
53 clock = Param.Clock("Clock period")
54
55 # A source clock must be associated with a voltage domain
56 voltage_domain = Param.VoltageDomain("Voltage domain")
57
58# Derived clock domain with a parent clock domain and a frequency
59# divider
60class DerivedClockDomain(ClockDomain):
61 type = 'DerivedClockDomain'
62 cxx_header = "sim/clock_domain.hh"
63 clk_domain = Param.ClockDomain("Parent clock domain")
64 clk_divider = Param.Unsigned(1, "Frequency divider")