isa_traits.hh revision 10318
1/* 2 * Copyright (c) 2003-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Gabe Black 29 * Ali Saidi 30 */ 31 32#ifndef __ARCH_SPARC_ISA_TRAITS_HH__ 33#define __ARCH_SPARC_ISA_TRAITS_HH__ 34 35#include "arch/sparc/sparc_traits.hh" 36#include "arch/sparc/types.hh" 37#include "base/types.hh" 38#include "cpu/static_inst_fwd.hh" 39 40namespace BigEndianGuest {} 41 42namespace SparcISA 43{ 44// This makes sure the big endian versions of certain functions are used. 45using namespace BigEndianGuest; 46 47// SPARC has a delay slot 48#define ISA_HAS_DELAY_SLOT 1 49 50// SPARC NOP (sethi %(hi(0), g0) 51const MachInst NoopMachInst = 0x01000000; 52 53// real address virtual mapping 54// sort of like alpha super page, but less frequently used 55const Addr SegKPMEnd = ULL(0xfffffffc00000000); 56const Addr SegKPMBase = ULL(0xfffffac000000000); 57 58const Addr PageShift = 13; 59const Addr PageBytes = ULL(1) << PageShift; 60 61StaticInstPtr decodeInst(ExtMachInst); 62 63/////////// TLB Stuff //////////// 64const Addr StartVAddrHole = ULL(0x0000800000000000); 65const Addr EndVAddrHole = ULL(0xFFFF7FFFFFFFFFFF); 66const Addr VAddrAMask = ULL(0xFFFFFFFF); 67const Addr PAddrImplMask = ULL(0x000000FFFFFFFFFF); 68const Addr BytesInPageMask = ULL(0x1FFF); 69 70enum InterruptTypes 71{ 72 IT_TRAP_LEVEL_ZERO, 73 IT_HINTP, 74 IT_INT_VEC, 75 IT_CPU_MONDO, 76 IT_DEV_MONDO, 77 IT_RES_ERROR, 78 IT_SOFT_INT, 79 NumInterruptTypes 80}; 81 82// Memory accesses cannot be unaligned 83const bool HasUnalignedMemAcc = false; 84 85const bool CurThreadInfoImplemented = false; 86const int CurThreadInfoReg = -1; 87 88} 89 90#endif // __ARCH_SPARC_ISA_TRAITS_HH__ 91