cvw/tests/coverage/lsu.S

///////////////////////////////////////////
// lsu.S
//
// Written: Kevin Box and Miles Cook kbox@hmc.edu mdcook@hmc.edu 26 March 2023
//
// Purpose: Test coverage for lsu
//
// A component of the CORE-V-WALLY configurable RISC-V project.
// https://github.com/openhwgroup/cvw
//
// Copyright (C) 2021-23 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"

main:

    sfence.vma x0, x0 // sfence.vma to assert TLBFlush

    li a0, 0x80000001   # misaligned address
    amoadd.w t0, a0, (a0) # amo access to misaligned address

    j done