isa_traits.hh revision 8542
12SN/A/*
29448SAndreas.Sandberg@ARM.com * Copyright (c) 2003-2005 The Regents of The University of Michigan
38733Sgeoffrey.blake@arm.com * Copyright (c) 2007-2008 The Florida State University
48733Sgeoffrey.blake@arm.com * Copyright (c) 2009 The University of Edinburgh
58733Sgeoffrey.blake@arm.com * All rights reserved.
68733Sgeoffrey.blake@arm.com *
78733Sgeoffrey.blake@arm.com * Redistribution and use in source and binary forms, with or without
88733Sgeoffrey.blake@arm.com * modification, are permitted provided that the following conditions are
98733Sgeoffrey.blake@arm.com * met: redistributions of source code must retain the above copyright
108733Sgeoffrey.blake@arm.com * notice, this list of conditions and the following disclaimer;
118733Sgeoffrey.blake@arm.com * redistributions in binary form must reproduce the above copyright
128733Sgeoffrey.blake@arm.com * notice, this list of conditions and the following disclaimer in the
138733Sgeoffrey.blake@arm.com * documentation and/or other materials provided with the distribution;
141762SN/A * neither the name of the copyright holders nor the names of its
152SN/A * contributors may be used to endorse or promote products derived from
162SN/A * this software without specific prior written permission.
172SN/A *
182SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
192SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
202SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
212SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
222SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
232SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
242SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
252SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
262SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
272SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
282SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
292SN/A *
302SN/A * Authors: Timothy M. Jones
312SN/A *          Gabe Black
322SN/A *          Stephen Hines
332SN/A */
342SN/A
352SN/A#ifndef __ARCH_POWER_ISA_TRAITS_HH__
362SN/A#define __ARCH_POWER_ISA_TRAITS_HH__
372SN/A
382SN/A#include "arch/power/types.hh"
392665Ssaidi@eecs.umich.edu#include "base/types.hh"
402665Ssaidi@eecs.umich.edu#include "cpu/static_inst_fwd.hh"
412665Ssaidi@eecs.umich.edu
422665Ssaidi@eecs.umich.edunamespace BigEndianGuest {}
432SN/A
442SN/Anamespace PowerISA
452623SN/A{
462623SN/A
472SN/Ausing namespace BigEndianGuest;
481354SN/A
496658Snate@binkert.orgStaticInstPtr decodeInst(ExtMachInst);
501717SN/A
518887Sgeoffrey.blake@arm.com// POWER DOES NOT have a delay slot
528229Snate@binkert.org#define ISA_HAS_DELAY_SLOT 0
532683Sktlim@umich.edu
541354SN/Aconst Addr PageShift = 12;
552387SN/Aconst Addr PageBytes = ULL(1) << PageShift;
562387SN/Aconst Addr Page_Mask = ~(PageBytes - 1);
572387SN/Aconst Addr PageOffset = PageBytes - 1;
5856SN/A
598779Sgblack@eecs.umich.educonst Addr PteShift = 3;
605348Ssaidi@eecs.umich.educonst Addr NPtePageShift = PageShift - PteShift;
612SN/Aconst Addr NPtePage = ULL(1) << NPtePageShift;
622SN/Aconst Addr PteMask = NPtePage - 1;
638779Sgblack@eecs.umich.edu
648779Sgblack@eecs.umich.educonst int LogVMPageSize = 12;  // 4K bytes
652SN/Aconst int VMPageSize = (1 << LogVMPageSize);
668779Sgblack@eecs.umich.edu
672SN/Aconst int MachineBytes = 4;
684182Sgblack@eecs.umich.edu
694182Sgblack@eecs.umich.edu// This is ori 0, 0, 0
708779Sgblack@eecs.umich.educonst ExtMachInst NoopMachInst = 0x60000000;
718779Sgblack@eecs.umich.edu
724182Sgblack@eecs.umich.edu// Memory accesses can be unaligned
732SN/Aconst bool HasUnalignedMemAcc = true;
742SN/A
752SN/A} // namespace PowerISA
762SN/A
772SN/A#endif // __ARCH_POWER_ISA_TRAITS_HH__
788737Skoansin.tan@gmail.com