utility.hh revision 7628:d9b98534a872
1/* 2 * Copyright (c) 2003-2005 The Regents of The University of Michigan 3 * Copyright (c) 2007-2008 The Florida State University 4 * Copyright (c) 2009 The University of Edinburgh 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are 9 * met: redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer; 11 * redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution; 14 * neither the name of the copyright holders nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * Authors: Korey Sewell 31 * Stephen Hines 32 * Timothy M. Jones 33 */ 34 35#ifndef __ARCH_POWER_UTILITY_HH__ 36#define __ARCH_POWER_UTILITY_HH__ 37 38#include "arch/power/miscregs.hh" 39#include "arch/power/types.hh" 40#include "base/hashmap.hh" 41#include "base/types.hh" 42#include "cpu/thread_context.hh" 43 44namespace __hash_namespace { 45 46template<> 47struct hash<PowerISA::ExtMachInst> : public hash<uint32_t> { 48 size_t operator()(const PowerISA::ExtMachInst &emi) const { 49 return hash<uint32_t>::operator()((uint32_t)emi); 50 }; 51}; 52 53} // __hash_namespace namespace 54 55namespace PowerISA { 56 57/** 58 * Function to ensure ISA semantics about 0 registers. 59 * @param tc The thread context. 60 */ 61template <class TC> 62void zeroRegisters(TC *tc); 63 64inline void 65startupCPU(ThreadContext *tc, int cpuId) 66{ 67 tc->activate(0); 68} 69 70void 71copyRegs(ThreadContext *src, ThreadContext *dest); 72 73static inline void 74copyMiscRegs(ThreadContext *src, ThreadContext *dest) 75{ 76} 77 78} // PowerISA namespace 79 80#endif // __ARCH_POWER_UTILITY_HH__ 81