1/* SPDX-License-Identifier: BSD-2-Clause */
2/*
3 * Copyright 2022 NXP
4 */
5
6	.altmacro
7	/*
8	 * Multiplication macro for RISC-V harts without M extension.
9	 */
10	.macro mult, reg_op0, reg_op1, reg_res
11		li	\reg_res, 0
12		mv	a0, \reg_op0
13		mv	a1, \reg_op1
14		mv	a2, a0
15		li	a0, 0
16	1:
17		andi	a3, a1, 1
18		beqz	a3, 2f
19		add	a0, a0, a2
20	2:
21		srli	a1, a1, 1
22		slli	a2, a2, 1
23		bnez	a1, 1b
24		add	\reg_res, \reg_res, a0
25	.endm
26