| /* |
| * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> |
| * All rights reserved. |
| * |
| * This software was developed by the University of Cambridge Computer |
| * Laboratory as part of the CTSRD Project, with support from the UK Higher |
| * Education Innovation Fund (HEIF). |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "kern/freebsd/events.hh" |
| |
| #include <sstream> |
| |
| #include "base/trace.hh" |
| #include "cpu/thread_context.hh" |
| #include "debug/DebugPrintf.hh" |
| #include "kern/system_events.hh" |
| #include "sim/system.hh" |
| |
| GEM5_DEPRECATED_NAMESPACE(FreeBSD, free_bsd); |
| namespace free_bsd |
| { |
| |
| void |
| onUDelay(ThreadContext *tc, uint64_t div, uint64_t mul, uint64_t time) |
| { |
| // convert parameter to ns |
| if (div) |
| time /= div; |
| |
| time *= mul; |
| |
| // Currently, only ARM full-system simulation uses UDelayEvents to skip |
| // __delay and __loop_delay functions. One form involves setting quiesce |
| // time to 0 with the assumption that quiesce will not happen. To avoid |
| // the quiesce handling in this case, only execute the quiesce if time > 0. |
| if (time > 0) |
| tc->quiesceTick(curTick() + sim_clock::as_int::ns * time); |
| } |
| |
| } // namespace free_bsd |