utility.cc revision 7650
16757SAli.Saidi@ARM.com/* 27650SAli.Saidi@ARM.com * Copyright (c) 2009-2010 ARM Limited 36757SAli.Saidi@ARM.com * All rights reserved. 46757SAli.Saidi@ARM.com * 57111Sgblack@eecs.umich.edu * The license below extends only to copyright in the software and shall 67111Sgblack@eecs.umich.edu * not be construed as granting a license to any other intellectual 77111Sgblack@eecs.umich.edu * property including but not limited to intellectual property relating 87111Sgblack@eecs.umich.edu * to a hardware implementation of the functionality of the software 97111Sgblack@eecs.umich.edu * licensed hereunder. You may use the software subject to the license 107111Sgblack@eecs.umich.edu * terms below provided that you ensure that this notice is replicated 117111Sgblack@eecs.umich.edu * unmodified and in its entirety in all distributions of the software, 127111Sgblack@eecs.umich.edu * modified or unmodified, in source code or in binary form. 137111Sgblack@eecs.umich.edu * 146757SAli.Saidi@ARM.com * Redistribution and use in source and binary forms, with or without 156757SAli.Saidi@ARM.com * modification, are permitted provided that the following conditions are 166757SAli.Saidi@ARM.com * met: redistributions of source code must retain the above copyright 176757SAli.Saidi@ARM.com * notice, this list of conditions and the following disclaimer; 186757SAli.Saidi@ARM.com * redistributions in binary form must reproduce the above copyright 196757SAli.Saidi@ARM.com * notice, this list of conditions and the following disclaimer in the 206757SAli.Saidi@ARM.com * documentation and/or other materials provided with the distribution; 216757SAli.Saidi@ARM.com * neither the name of the copyright holders nor the names of its 226757SAli.Saidi@ARM.com * contributors may be used to endorse or promote products derived from 236757SAli.Saidi@ARM.com * this software without specific prior written permission. 246757SAli.Saidi@ARM.com * 256757SAli.Saidi@ARM.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 266757SAli.Saidi@ARM.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 276757SAli.Saidi@ARM.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 286757SAli.Saidi@ARM.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 296757SAli.Saidi@ARM.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 306757SAli.Saidi@ARM.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 316757SAli.Saidi@ARM.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 326757SAli.Saidi@ARM.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 336757SAli.Saidi@ARM.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 346757SAli.Saidi@ARM.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 356757SAli.Saidi@ARM.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 366757SAli.Saidi@ARM.com * 376757SAli.Saidi@ARM.com * Authors: Ali Saidi 386757SAli.Saidi@ARM.com */ 396735Sgblack@eecs.umich.edu 406757SAli.Saidi@ARM.com 416757SAli.Saidi@ARM.com#include "arch/arm/faults.hh" 426757SAli.Saidi@ARM.com#include "arch/arm/utility.hh" 436757SAli.Saidi@ARM.com#include "cpu/thread_context.hh" 446735Sgblack@eecs.umich.edu 456735Sgblack@eecs.umich.edu 466735Sgblack@eecs.umich.edunamespace ArmISA { 476735Sgblack@eecs.umich.edu 486735Sgblack@eecs.umich.eduvoid 496735Sgblack@eecs.umich.eduinitCPU(ThreadContext *tc, int cpuId) 506735Sgblack@eecs.umich.edu{ 516735Sgblack@eecs.umich.edu // Reset CP15?? What does that mean -- ali 526735Sgblack@eecs.umich.edu 536735Sgblack@eecs.umich.edu // FPEXC.EN = 0 546735Sgblack@eecs.umich.edu 556757SAli.Saidi@ARM.com static Fault reset = new Reset; 566735Sgblack@eecs.umich.edu if (cpuId == 0) 576735Sgblack@eecs.umich.edu reset->invoke(tc); 586735Sgblack@eecs.umich.edu} 596735Sgblack@eecs.umich.edu 606757SAli.Saidi@ARM.comuint64_t getArgument(ThreadContext *tc, int number, bool fp) { 616757SAli.Saidi@ARM.com#if FULL_SYSTEM 627650SAli.Saidi@ARM.com if (number < NumArgumentRegs) { 637650SAli.Saidi@ARM.com if (fp) 647650SAli.Saidi@ARM.com panic("getArgument(): Floating point arguments not implemented\n"); 657650SAli.Saidi@ARM.com else 667650SAli.Saidi@ARM.com return tc->readIntReg(number); 677650SAli.Saidi@ARM.com } 687650SAli.Saidi@ARM.com else { 697650SAli.Saidi@ARM.com panic("getArgument(): Argument index %d beyond max supported (%d).\n", 707650SAli.Saidi@ARM.com number, NumArgumentRegs - 1); 717650SAli.Saidi@ARM.com } 726757SAli.Saidi@ARM.com#else 736757SAli.Saidi@ARM.com panic("getArgument() only implemented for FULL_SYSTEM\n"); 746757SAli.Saidi@ARM.com M5_DUMMY_RETURN 756757SAli.Saidi@ARM.com#endif 766757SAli.Saidi@ARM.com} 776757SAli.Saidi@ARM.com 786759SAli.Saidi@ARM.comFault 796759SAli.Saidi@ARM.comsetCp15Register(uint32_t &Rd, int CRn, int opc1, int CRm, int opc2) 806759SAli.Saidi@ARM.com{ 816759SAli.Saidi@ARM.com return new UnimpFault(csprintf("MCR CP15: CRn: %d opc1: %d CRm: %d opc1: %d\n", 826759SAli.Saidi@ARM.com CRn, opc1, CRm, opc2)); 836757SAli.Saidi@ARM.com} 846759SAli.Saidi@ARM.com 856759SAli.Saidi@ARM.comFault 866759SAli.Saidi@ARM.comreadCp15Register(uint32_t &Rd, int CRn, int opc1, int CRm, int opc2) 876759SAli.Saidi@ARM.com{ 886759SAli.Saidi@ARM.com return new UnimpFault(csprintf("MRC CP15: CRn: %d opc1: %d CRm: %d opc1: %d\n", 896759SAli.Saidi@ARM.com CRn, opc1, CRm, opc2)); 906759SAli.Saidi@ARM.com 916759SAli.Saidi@ARM.com} 926759SAli.Saidi@ARM.com 936759SAli.Saidi@ARM.com 946759SAli.Saidi@ARM.com} 95