cvw/tests/coverage/amoAccessFault.S
2024-10-18 16:03:56 -07:00

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