| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # Xarray helpers |
| # |
| # Copyright (c) 2025 Broadcom |
| # |
| # Authors: |
| # Florian Fainelli <florian.fainelli@broadcom.com> |
| |
| import gdb |
| |
| from linux import utils |
| from linux import constants |
| |
| def xa_is_internal(entry): |
| ulong_type = utils.get_ulong_type() |
| return ((entry.cast(ulong_type) & 3) == 2) |
| |
| def xa_mk_internal(v): |
| return ((v << 2) | 2) |
| |
| def xa_is_zero(entry): |
| ulong_type = utils.get_ulong_type() |
| return entry.cast(ulong_type) == xa_mk_internal(257) |
| |
| def xa_is_node(entry): |
| ulong_type = utils.get_ulong_type() |
| return xa_is_internal(entry) and (entry.cast(ulong_type) > 4096) |
