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authorRobert Norton2018-02-08 17:09:40 +0000
committerRobert Norton2018-02-08 17:10:23 +0000
commite9f6dd176d4f4791cc5c59e02b9eaaa0f3dc256f (patch)
tree83fccd65bd054fcce47b793e03c23a6ea2eebfd7 /mips_new_tc/mips_wrappers.sail
parentb7e9ebcbbd660285e781b6912bf72751fa6b2b4e (diff)
work in progress mips sail2 port.
Diffstat (limited to 'mips_new_tc/mips_wrappers.sail')
-rw-r--r--mips_new_tc/mips_wrappers.sail96
1 files changed, 50 insertions, 46 deletions
diff --git a/mips_new_tc/mips_wrappers.sail b/mips_new_tc/mips_wrappers.sail
index 70033977..281cb452 100644
--- a/mips_new_tc/mips_wrappers.sail
+++ b/mips_new_tc/mips_wrappers.sail
@@ -1,67 +1,69 @@
-(*========================================================================*)
-(* *)
-(* 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. *)
-(*========================================================================*)
+/*========================================================================*/
+/* */
+/* 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) *)
+/* mips_wrappers.sail: wrappers functions and hooks for CHERI extensibility
+ (mostly identity functions here) */
-val forall Nat 'n, 'n >= 1, 'n <= 8. (bit[64], [:'n:], bit[8 * 'n]) -> unit effect {eamem, wmv, wreg} MEMw_wrapper
+val MEMw_wrapper : forall 'n, 1 <= 'n <= 8. (bits(64), atom('n), bits(8 * 'n)) -> unit effect {eamem, wmv, wreg}
-function unit MEMw_wrapper((bit[64]) addr, ([:'n:]) size, (bit[8 * 'n]) data) =
+function MEMw_wrapper(addr, size, data) =
let ledata = reverse_endianness(data) in
if (addr == 0x000000007f000000) then
{
- UART_WDATA := ledata[7..0];
- UART_WRITTEN := (bit[1]) 1;
+ UART_WDATA = ledata[7..0];
+ UART_WRITTEN = bitone;
} else {
MEMea(addr, size);
MEMval(addr, size, ledata);
}
-val forall Nat 'n, 'n >= 1, 'n <= 8. (bit[64], [:'n:], bit[8 * 'n]) -> bool effect {eamem, wmv} MEMw_conditional_wrapper
+val MEMw_conditional_wrapper : forall 'n, 1 <= 'n <= 8. (bits(64), atom('n), bits(8 * 'n)) -> bool effect {eamem, wmv}
-function bool MEMw_conditional_wrapper(addr, size, data) =
+function MEMw_conditional_wrapper(addr, size, data) =
{
MEMea_conditional(addr, size);
MEMval_conditional(addr, size, reverse_endianness(data))
}
-function bit[64] addrWrapper((bit[64]) addr, (MemAccessType) accessType, (WordType) width) =
+val addrWrapper : (bits(64), MemAccessType, WordType) -> bits(64)
+function addrWrapper(addr, accessType, width) =
addr
-function (bit[64]) TranslatePC ((bit[64]) vAddr) = {
+val TranslatePC : bits(64) -> bits(64)
+function TranslatePC (vAddr) = {
incrementCP0Count();
- if (vAddr[1..0] != 0b00) then (* bad PC alignment *)
+ if (vAddr[1..0] != 0b00) then /* bad PC alignment */
(SignalExceptionBadAddr(AdEL, vAddr))
else
TLBTranslate(vAddr, Instruction)
@@ -69,6 +71,8 @@ function (bit[64]) TranslatePC ((bit[64]) vAddr) = {
let have_cp2 = false
-function forall Type 'o. 'o SignalException ((Exception) ex) = SignalExceptionMIPS(ex, 0x0000000000000000)
-function unit ERETHook() = ()
+function SignalException (ex) = SignalExceptionMIPS(ex, 0x0000000000000000)
+
+val ERETHook : unit -> unit
+function ERETHook() = ()