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Diffstat (limited to 'mips/mips_tlb_stub.sail')
| -rw-r--r-- | mips/mips_tlb_stub.sail | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/mips/mips_tlb_stub.sail b/mips/mips_tlb_stub.sail new file mode 100644 index 00000000..f0ffb9dd --- /dev/null +++ b/mips/mips_tlb_stub.sail @@ -0,0 +1,48 @@ +/*========================================================================*/ +/* */ +/* Copyright (c) 2015-2017 Robert M. Norton */ +/* Copyright (c) 2015-2017 Kathyrn Gray */ +/* All rights reserved. */ +/* */ +/* This software was developed by the University of Cambridge Computer */ +/* Laboratory as part of the Rigorous Engineering of Mainstream Systems */ +/* (REMS) project, funded by EPSRC grant EP/K008528/1. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following conditions */ +/* are met: */ +/* 1. Redistributions of source code must retain the above copyright */ +/* notice, this list of conditions and the following disclaimer. */ +/* 2. 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. */ +/* */ +/* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. */ +/*========================================================================*/ + +$ifndef _MIPS_TLB_STUB +$define _MIPS_TLB_STUB + +val tlbEntryMatch : (bits(2), bits(27), bits(8), TLBEntry) -> bool effect pure +function tlbSearch(VAddr) : bits(64) -> option(TLBIndexT) = None + +val TLBTranslate2 : (bits(64), MemAccessType) -> (bits(64), bool) effect pure +function TLBTranslate (vAddr, accessType) : (bits(64), MemAccessType) -> bits(64) = + vAddr + +val TLBTranslateC : (bits(64), MemAccessType) -> (bits(64), bool) effect pure +function TLBTranslateC (vAddr, accessType) : (bits(64), MemAccessType) -> (bits(64), bool) = (vAddr, false) + +$endif |