/* * Copyright (c) 2006 The Regents of The University of Michigan * Copyright (c) 2007-2008 The Florida State University * Copyright (c) 2009 The University of Edinburgh * All rights reserved. * * 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. * * Authors: Steve Reinhardt * Stephen Hines * Timothy M. Jones */ #ifndef __ARCH_RISCV_LOCKED_MEM_HH__ #define __ARCH_RISCV_LOCKED_MEM_HH__ /** * @file * * ISA-specific helper functions for locked memory accesses. */ #include "mem/packet.hh" #include "mem/request.hh" namespace RiscvISA { template inline void handleLockedSnoop(XC *xc, PacketPtr pkt, Addr cacheBlockMask) { } template inline void handleLockedRead(XC *xc, Request *req) { } template inline void handleLockedSnoopHit(XC *xc) { } template inline bool handleLockedWrite(XC *xc, Request *req, Addr cacheBlockMask) { return true; } } // namespace RiscvISA #endif // __ARCH_RISCV_LOCKED_MEM_HH__