mirror of
https://github.com/openhwgroup/cvw
synced 2025-02-11 06:05:49 +00:00
46 lines
1.4 KiB
ArmAsm
46 lines
1.4 KiB
ArmAsm
///////////////////////////////////////////
|
|
// ebu.S
|
|
//
|
|
// Written: David_Harris@hmc.edu 23 March 2023
|
|
//
|
|
// Purpose: Test coverage for EBU
|
|
//
|
|
// A component of the CORE-V-WALLY configurable RISC-V project.
|
|
//
|
|
// 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:
|
|
|
|
# Test clz with all bits being 0
|
|
li t0, 0
|
|
clz t1, t0
|
|
li t0, -1
|
|
clz t1, t0
|
|
li t0, 1
|
|
clz t1, t0
|
|
|
|
# Test forwarding from store conditional
|
|
lr.w t0, 0(a0)
|
|
sc.w t0, a1, 0(a0)
|
|
addi t0, t0, 1
|
|
|
|
j done
|
|
|