b398b8ff1b
This file is for register indices, Num* constants, and register types. copyRegs and copyMiscRegs were moved to utility.hh and utility.cc. --HG-- rename : src/arch/alpha/regfile.hh => src/arch/alpha/registers.hh rename : src/arch/arm/regfile.hh => src/arch/arm/registers.hh rename : src/arch/mips/regfile.hh => src/arch/mips/registers.hh rename : src/arch/sparc/regfile.hh => src/arch/sparc/registers.hh rename : src/arch/x86/regfile.hh => src/arch/x86/registers.hh
133 lines
5.1 KiB
C++
133 lines
5.1 KiB
C++
/*
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* Copyright (c) 2007 The Hewlett-Packard Development Company
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* All rights reserved.
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*
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* Redistribution and use of this software in source and binary forms,
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* with or without modification, are permitted provided that the
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* following conditions are met:
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*
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* The software must be used only for Non-Commercial Use which means any
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* use which is NOT directed to receiving any direct monetary
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* compensation for, or commercial advantage from such use. Illustrative
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* examples of non-commercial use are academic research, personal study,
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* teaching, education and corporate research & development.
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* Illustrative examples of commercial use are distributing products for
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* commercial advantage and providing services using the software for
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* commercial advantage.
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*
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* If you wish to use this software or functionality therein that may be
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* covered by patents for commercial use, please contact:
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* Director of Intellectual Property Licensing
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* Office of Strategy and Technology
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* Hewlett-Packard Company
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* 1501 Page Mill Road
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* Palo Alto, California 94304
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer. Redistributions
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* in binary form must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution. Neither the name of
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* the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission. No right of
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* sublicense is granted herewith. Derivatives of the software and
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* output created using the software may be prepared, but only for
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* Non-Commercial Uses. Derivatives of the software may be shared with
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* others provided: (i) the others agree to abide by the list of
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* conditions herein which includes the Non-Commercial Use restrictions;
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* and (ii) such Derivatives of the software include the above copyright
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* notice to acknowledge the contribution from this software where
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* applicable, this list of conditions and the disclaimer below.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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*/
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#ifndef __ARCH_X86_REGISTERS_HH__
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#define __ARCH_X86_REGISTERS_HH__
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#include "arch/x86/intregs.hh"
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#include "arch/x86/max_inst_regs.hh"
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#include "arch/x86/miscregs.hh"
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#include "arch/x86/x86_traits.hh"
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namespace X86ISA
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{
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using X86ISAInst::MaxInstSrcRegs;
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using X86ISAInst::MaxInstDestRegs;
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const int NumMiscArchRegs = NUM_MISCREGS;
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const int NumMiscRegs = NUM_MISCREGS;
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const int NumIntArchRegs = NUM_INTREGS;
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const int NumIntRegs =
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NumIntArchRegs + NumMicroIntRegs +
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NumPseudoIntRegs + NumImplicitIntRegs;
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//Each 128 bit xmm register is broken into two effective 64 bit registers.
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const int NumFloatRegs =
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NumMMXRegs + 2 * NumXMMRegs + NumMicroFpRegs;
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const int NumFloatArchRegs = NumFloatRegs + 8;
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// These enumerate all the registers for dependence tracking.
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enum DependenceTags {
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//There are 16 microcode registers at the moment. This is an
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//unusually large constant to make sure there isn't overflow.
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FP_Base_DepTag = 128,
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Ctrl_Base_DepTag =
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FP_Base_DepTag +
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//mmx/x87 registers
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8 +
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//xmm registers
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16 * 2 +
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//The microcode fp registers
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8 +
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//The indices that are mapped over the fp stack
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8
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};
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// semantically meaningful register indices
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//There is no such register in X86
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const int ZeroReg = NUM_INTREGS;
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const int StackPointerReg = INTREG_RSP;
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//X86 doesn't seem to have a link register
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const int ReturnAddressReg = 0;
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const int ReturnValueReg = INTREG_RAX;
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const int FramePointerReg = INTREG_RBP;
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// Some OS syscalls use a second register (rdx) to return a second
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// value
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const int SyscallPseudoReturnReg = INTREG_RDX;
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typedef uint64_t IntReg;
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//XXX Should this be a 128 bit structure for XMM memory ops?
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typedef uint64_t LargestRead;
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typedef uint64_t MiscReg;
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//These floating point types are correct for mmx, but not
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//technically for x87 (80 bits) or at all for xmm (128 bits)
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typedef double FloatReg;
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typedef uint64_t FloatRegBits;
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typedef union
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{
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IntReg intReg;
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FloatReg fpReg;
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MiscReg ctrlReg;
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} AnyReg;
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typedef uint16_t RegIndex;
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}; // namespace X86ISA
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#endif // __ARCH_X86_REGFILE_HH__
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