| /* |
| * Copyright (c) 2007 The Hewlett-Packard Development Company |
| * All rights reserved. |
| * |
| * The license below extends only to copyright in the software and shall |
| * not be construed as granting a license to any other intellectual |
| * property including but not limited to intellectual property relating |
| * to a hardware implementation of the functionality of the software |
| * licensed hereunder. You may use the software subject to the license |
| * terms below provided that you ensure that this notice is replicated |
| * unmodified and in its entirety in all distributions of the software, |
| * modified or unmodified, in source code or in binary form. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __ARCH_X86_INTREGS_HH__ |
| #define __ARCH_X86_INTREGS_HH__ |
| |
| #include "arch/x86/x86_traits.hh" |
| #include "base/bitunion.hh" |
| #include "base/logging.hh" |
| |
| namespace gem5 |
| { |
| |
| namespace X86ISA |
| { |
| |
| BitUnion64(X86IntReg) |
| Bitfield<63,0> R; |
| SignedBitfield<63,0> SR; |
| Bitfield<31,0> E; |
| SignedBitfield<31,0> SE; |
| Bitfield<15,0> X; |
| SignedBitfield<15,0> SX; |
| Bitfield<15,8> H; |
| SignedBitfield<15,8> SH; |
| Bitfield<7, 0> L; |
| SignedBitfield<7, 0> SL; |
| EndBitUnion(X86IntReg) |
| |
| namespace int_reg |
| { |
| |
| enum : RegIndex |
| { |
| Rax, |
| Eax = Rax, |
| Ax = Rax, |
| Al = Rax, |
| |
| Rcx, |
| Ecx = Rcx, |
| Cx = Rcx, |
| Cl = Rcx, |
| |
| Rdx, |
| Edx = Rdx, |
| Dx = Rdx, |
| Dl = Rdx, |
| |
| Rbx, |
| Ebx = Rbx, |
| Bx = Rbx, |
| Bl = Rbx, |
| |
| Rsp, |
| Esp = Rsp, |
| Sp = Rsp, |
| Spl = Rsp, |
| Ah = Rsp, |
| |
| Rbp, |
| Ebp = Rbp, |
| Bp = Rbp, |
| Bpl = Rbp, |
| Ch = Rbp, |
| |
| Rsi, |
| Esi = Rsi, |
| Si = Rsi, |
| Sil = Rsi, |
| Dh = Rsi, |
| |
| Rdi, |
| Edi = Rdi, |
| Di = Rdi, |
| Dil = Rdi, |
| Bh = Rdi, |
| |
| R8, |
| R8d = R8, |
| R8w = R8, |
| R8b = R8, |
| |
| R9, |
| R9d = R9, |
| R9w = R9, |
| R9b = R9, |
| |
| R10, |
| R10d = R10, |
| R10w = R10, |
| R10b = R10, |
| |
| R11, |
| R11d = R11, |
| R11w = R11, |
| R11b = R11, |
| |
| R12, |
| R12d = R12, |
| R12w = R12, |
| R12b = R12, |
| |
| R13, |
| R13d = R13, |
| R13w = R13, |
| R13b = R13, |
| |
| R14, |
| R14d = R14, |
| R14w = R14, |
| R14b = R14, |
| |
| R15, |
| R15d = R15, |
| R15w = R15, |
| R15b = R15, |
| |
| NumArchRegs, |
| |
| MicroBegin = NumArchRegs, |
| T0 = MicroBegin, |
| MicroEnd = MicroBegin + NumMicroIntRegs, |
| |
| // The lower part of the result of multiplication. |
| Prodlow, |
| // The upper part of the result of multiplication. |
| Prodhi, |
| // The quotient from division. |
| Quotient, |
| // The remainder from division. |
| Remainder, |
| // The divisor for division. |
| Divisor, |
| // The register to use for shift doubles. |
| Doublebits, |
| |
| NumRegs, |
| }; |
| |
| } // namespace int_reg |
| |
| // This needs to be large enough to miss all the other bits of an index. |
| inline constexpr RegIndex IntFoldBit = 1 << 6; |
| |
| inline static constexpr RegIndex |
| intRegMicro(int index) |
| { |
| return int_reg::MicroBegin + index; |
| } |
| |
| inline static constexpr RegIndex |
| intRegFolded(RegIndex index, RegIndex foldBit) |
| { |
| if ((index & 0x1C) == 4 && foldBit) |
| index = (index - 4) | foldBit; |
| return index; |
| } |
| |
| } // namespace X86ISA |
| } // namespace gem5 |
| |
| #endif // __ARCH_X86_INTREGS_HH__ |