diff options
| author | Robert Norton | 2018-09-21 15:09:08 +0100 |
|---|---|---|
| committer | Robert Norton | 2018-09-21 15:11:56 +0100 |
| commit | 2bdc5d09389c8fccd8100c0c07c54b2b8895c76a (patch) | |
| tree | 62264926985604d5d5e8aed4aa5130d7fed13417 /mips/mips_wrappers.sail | |
| parent | 30e1cdf6aabe611208c50e35058ea18442aa4078 (diff) | |
Remove cheri and mips specs -- they now have their own repository.
Diffstat (limited to 'mips/mips_wrappers.sail')
| -rw-r--r-- | mips/mips_wrappers.sail | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/mips/mips_wrappers.sail b/mips/mips_wrappers.sail deleted file mode 100644 index 43e759b9..00000000 --- a/mips/mips_wrappers.sail +++ /dev/null @@ -1,90 +0,0 @@ -/*========================================================================*/ -/* */ -/* 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. */ -/*========================================================================*/ - -/* mips_wrappers.sail: wrappers functions and hooks for CHERI extensibility - (mostly identity functions here) */ - -val MEMw_wrapper : forall 'n, 1 <= 'n <= 8. (bits(64), atom('n), bits(8 * 'n)) -> unit effect {eamem, wmv, wreg} - -function MEMw_wrapper(addr, size, data) = - let ledata = reverse_endianness(data) in - if (addr == 0x000000007f000000) then - { - UART_WDATA = ledata[7..0]; - UART_WRITTEN = bitone; - } else { - MEMea(addr, size); - MEMval(addr, size, ledata); - } - -val MEMw_conditional_wrapper : forall 'n, 1 <= 'n <= 8. (bits(64), atom('n), bits(8 * 'n)) -> bool effect {eamem, wmv} - -function MEMw_conditional_wrapper(addr, size, data) = - { - MEMea_conditional(addr, size); - MEMval_conditional(addr, size, reverse_endianness(data)) - } - -val addrWrapper : (bits(64), MemAccessType, WordType) -> bits(64) -function addrWrapper(addr, accessType, width) = - addr - -val addrWrapperUnaligned : (bits(64), MemAccessType, WordTypeUnaligned) -> bits(64) -function addrWrapperUnaligned(addr, accessType, width) = - addr - -$ifdef _MIPS_TLB_STUB -val TranslatePC : bits(64) -> bits(64) effect {rreg, wreg, escape} -$else -val TranslatePC : bits(64) -> bits(64) effect {rreg, wreg, escape, undef} -$endif - -function TranslatePC (vAddr) = { - incrementCP0Count(); - if (vAddr[1..0] != 0b00) then /* bad PC alignment */ - (SignalExceptionBadAddr(AdEL, vAddr)) - else - TLBTranslate(vAddr, Instruction) -} - -let have_cp2 = false - -function SignalException (ex) = SignalExceptionMIPS(ex, 0x0000000000000000) - -val ERETHook : unit -> unit -function ERETHook() = () - -function init_cp2_state () = skip_wreg() -function cp2_next_pc() = {skip_wreg(); skip_rreg()} -function dump_cp2_state () = {skip_rreg(); skip_escape();} |
