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| /*
| * SPDX-License-Identifier: BSD-2-Clause
| *
| * Copyright (c) 2020 Western Digital Corporation or its affiliates.
| *
| * Common helper functions used across OpenSBI project.
| *
| * Authors:
| * Atish Patra <atish.patra@wdc.com>
| */
|
| unsigned long log2roundup(unsigned long x)
| {
| unsigned long ret = 0;
|
| while (ret < __riscv_xlen) {
| if (x <= (1UL << ret))
| break;
| ret++;
| }
|
| return ret;
| }
|
|