1/*
2 * Copyright (c) 2013 ARM Limited
3 * Copyright (c) 2013 Cornell University
4 * All rights reserved
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating
9 * to a hardware implementation of the functionality of the software
10 * licensed hereunder. You may use the software subject to the license

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

33 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 *
38 * Authors: Vasileios Spiliopoulos
39 * Akash Bagdia
40 * Christopher Torng
41 */
42
43/**
44 * @file
45 * ClockDomain declarations.
46 */
47
48#ifndef __SIM_CLOCK_DOMAIN_HH__

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

114
115 void regStats();
116
117 /**
118 * Get the clock period.
119 *
120 * @return Clock period in ticks
121 */
122 inline Tick clockPeriod() const { return _clockPeriod; }
123
124 /**
125 * Register a ClockedObject to this ClockDomain.
126 *
127 * @param ClockedObject to add as a member
128 */
129 void registerWithClockDomain(ClockedObject *c)
130 {

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

141 inline VoltageDomain *voltageDomain() const { return _voltageDomain; }
142
143
144 /**
145 * Get the current voltage this clock domain operates at.
146 *
147 * @return Voltage applied to the clock domain
148 */
149 inline double voltage() const;
150
151 /**
152 * Add a derived domain.
153 *
154 * @param Derived domain to add as a child
155 */
156 void addDerivedDomain(DerivedClockDomain *clock_domain)
157 { children.push_back(clock_domain); }
158
159};
160
161/**
162 * The source clock domains provides the notion of a clock domain that is
163 * connected to a tunable clock source. It maintains the clock period and
164 * provides methods for setting/getting the clock.
165 */
166class SrcClockDomain : public ClockDomain
167{
168
169 public:
170
171 typedef SrcClockDomainParams Params;
172 SrcClockDomain(const Params *p);
173
174 /**
175 * Set new clock value
176 * @param clock The new clock period in ticks
177 */
178 void clockPeriod(Tick clock_period);
179
180 // Explicitly import the otherwise hidden clockPeriod
181 using ClockDomain::clockPeriod;
182};
183
184/**
185 * The derived clock domains provides the notion of a clock domain
186 * that is connected to a parent clock domain that can either be a
187 * source clock domain or a derived clock domain. It maintains the
188 * clock divider and provides methods for getting the clock.
189 */

--- 30 unchanged lines hidden ---