mirror of
https://github.com/openhwgroup/cvw
synced 2025-01-23 13:04:28 +00:00
54 lines
1.5 KiB
ArmAsm
54 lines
1.5 KiB
ArmAsm
///////////////////////////////////////////
|
|
// hptwAccessFault.S
|
|
//
|
|
// Written: Rose Thompson rose@rosethompson.net
|
|
//
|
|
// Purpose: Checks that only Store/AMO access faults are generated on AMO operations
|
|
//
|
|
// A component of the CORE-V-WALLY configurable RISC-V project.
|
|
// https://github.com/openhwgroup/cvw
|
|
//
|
|
// Copyright (C) 2021-24 Harvey Mudd College & Oklahoma State University
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
|
|
//
|
|
// Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file
|
|
// except in compliance with the License, or, at your option, the Apache License version 2.0. You
|
|
// may obtain a copy of the License at
|
|
//
|
|
// https://solderpad.org/licenses/SHL-2.1/
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, any work distributed under the
|
|
// License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
|
|
// either express or implied. See the License for the specific language governing permissions
|
|
// and limitations under the License.
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// load code to initalize stack, handle interrupts, terminate
|
|
|
|
#include "WALLY-init-lib.h"
|
|
|
|
# run-elf.bash find this in project description
|
|
main:
|
|
|
|
la t1, data # first a valid AMO
|
|
li t2, 2
|
|
li t3, 3
|
|
amoadd.d t3, t2, (t1)
|
|
|
|
li t1, 0x90000000 # invalid AMO address
|
|
li t2, 2
|
|
li t3, 3
|
|
amoadd.d t3, t2, (t1)
|
|
|
|
fence.I
|
|
|
|
finished:
|
|
j done
|
|
|
|
.data
|
|
|
|
.align 8
|
|
data:
|
|
.8byte 0x1
|