110810Sbr@bsdpad.com/* 210810Sbr@bsdpad.com * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> 310810Sbr@bsdpad.com * All rights reserved. 410810Sbr@bsdpad.com * 510810Sbr@bsdpad.com * This software was developed by the University of Cambridge Computer 610810Sbr@bsdpad.com * Laboratory as part of the CTSRD Project, with support from the UK Higher 710810Sbr@bsdpad.com * Education Innovation Fund (HEIF). 810810Sbr@bsdpad.com * 910810Sbr@bsdpad.com * Redistribution and use in source and binary forms, with or without 1010810Sbr@bsdpad.com * modification, are permitted provided that the following conditions are 1110810Sbr@bsdpad.com * met: redistributions of source code must retain the above copyright 1210810Sbr@bsdpad.com * notice, this list of conditions and the following disclaimer; 1310810Sbr@bsdpad.com * redistributions in binary form must reproduce the above copyright 1410810Sbr@bsdpad.com * notice, this list of conditions and the following disclaimer in the 1510810Sbr@bsdpad.com * documentation and/or other materials provided with the distribution; 1610810Sbr@bsdpad.com * neither the name of the copyright holders nor the names of its 1710810Sbr@bsdpad.com * contributors may be used to endorse or promote products derived from 1810810Sbr@bsdpad.com * this software without specific prior written permission. 1910810Sbr@bsdpad.com * 2010810Sbr@bsdpad.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2110810Sbr@bsdpad.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2210810Sbr@bsdpad.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2310810Sbr@bsdpad.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2410810Sbr@bsdpad.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2510810Sbr@bsdpad.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2610810Sbr@bsdpad.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2710810Sbr@bsdpad.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2810810Sbr@bsdpad.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2910810Sbr@bsdpad.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3010810Sbr@bsdpad.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3110810Sbr@bsdpad.com */ 3210810Sbr@bsdpad.com 3310810Sbr@bsdpad.com#include "kern/freebsd/events.hh" 3410810Sbr@bsdpad.com 3510810Sbr@bsdpad.com#include <sstream> 3610810Sbr@bsdpad.com 3710810Sbr@bsdpad.com#include "arch/utility.hh" 3810810Sbr@bsdpad.com#include "base/trace.hh" 3910810Sbr@bsdpad.com#include "cpu/thread_context.hh" 4010810Sbr@bsdpad.com#include "debug/DebugPrintf.hh" 4110810Sbr@bsdpad.com#include "kern/system_events.hh" 4210810Sbr@bsdpad.com#include "sim/arguments.hh" 4310810Sbr@bsdpad.com#include "sim/pseudo_inst.hh" 4410810Sbr@bsdpad.com#include "sim/system.hh" 4510810Sbr@bsdpad.com 4610810Sbr@bsdpad.comnamespace FreeBSD { 4710810Sbr@bsdpad.com 4810810Sbr@bsdpad.comvoid 4910810Sbr@bsdpad.comUDelayEvent::process(ThreadContext *tc) 5010810Sbr@bsdpad.com{ 5110810Sbr@bsdpad.com int arg_num; 5210810Sbr@bsdpad.com 5310810Sbr@bsdpad.com arg_num = 0; 5410810Sbr@bsdpad.com 5510810Sbr@bsdpad.com // Get the time in native size 5610810Sbr@bsdpad.com uint64_t time = TheISA::getArgument(tc, arg_num, (uint16_t)-1, false); 5710810Sbr@bsdpad.com 5810810Sbr@bsdpad.com //DPRINTFN("DELAY(%d)\n", time); 5910810Sbr@bsdpad.com 6010810Sbr@bsdpad.com // convert parameter to ns 6110810Sbr@bsdpad.com if (argDivToNs) 6210810Sbr@bsdpad.com time /= argDivToNs; 6310810Sbr@bsdpad.com 6410810Sbr@bsdpad.com time *= argMultToNs; 6510810Sbr@bsdpad.com 6610810Sbr@bsdpad.com SkipFuncEvent::process(tc); 6710810Sbr@bsdpad.com 6811166Sjthestness@gmail.com // Currently, only ARM full-system simulation uses UDelayEvents to skip 6911166Sjthestness@gmail.com // __delay and __loop_delay functions. One form involves setting quiesce 7011166Sjthestness@gmail.com // time to 0 with the assumption that quiesce will not happen. To avoid 7111166Sjthestness@gmail.com // the quiesce handling in this case, only execute the quiesce if time > 0. 7211166Sjthestness@gmail.com if (time > 0) { 7311166Sjthestness@gmail.com PseudoInst::quiesceNs(tc, time); 7411166Sjthestness@gmail.com } 7510810Sbr@bsdpad.com} 7610810Sbr@bsdpad.com 7710810Sbr@bsdpad.com} // namespace FreeBSD 78