diff options
Diffstat (limited to 'src/arch/mips/isa/bitfields.isa')
| -rw-r--r-- | src/arch/mips/isa/bitfields.isa | 47 |
1 files changed, 39 insertions, 8 deletions
diff --git a/src/arch/mips/isa/bitfields.isa b/src/arch/mips/isa/bitfields.isa index e1124a591..e8d4578c7 100644 --- a/src/arch/mips/isa/bitfields.isa +++ b/src/arch/mips/isa/bitfields.isa @@ -1,5 +1,33 @@ // -*- mode:c++ -*- +// Copyright (c) 2003-2006 The Regents of The University of Michigan +// All rights reserved. +// +// 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. +// +// Authors: Korey Sewell + //////////////////////////////////////////////////////////////////// // // Bitfield definitions. @@ -17,20 +45,19 @@ def bitfield FUNCTION < 5: 0>; def bitfield FUNCTION_HI < 5: 3>; def bitfield FUNCTION_LO < 2: 0>; -// Integer operate format -def bitfield RT <20:16>; -def bitfield RT_HI <20:19>; -def bitfield RT_LO <18:16>; - def bitfield RS <25:21>; def bitfield RS_MSB <25:25>; def bitfield RS_HI <25:24>; def bitfield RS_LO <23:21>; -def bitfield RS_SRL <25:22>; - +def bitfield RS_SRL <25:22>; +def bitfield RS_RT <25:16>; +def bitfield RT <20:16>; +def bitfield RT_HI <20:19>; +def bitfield RT_LO <18:16>; +def bitfield RT_RD <20:11>; def bitfield RD <15:11>; -def bitfield INTIMM <15: 0>; // integer immediate (literal) +def bitfield INTIMM <15: 0>; // Floating-point operate format def bitfield FMT <25:21>; @@ -67,5 +94,9 @@ def bitfield HINT <10: 6>; def bitfield SYSCALLCODE <25: 6>; def bitfield TRAPCODE <15:13>; +// EXT/INS instructions +def bitfield MSB <15:11>; +def bitfield LSB <10: 6>; + // M5 instructions def bitfield M5FUNC <7:0>; |