Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2#
3# Xarray helpers
4#
5# Copyright (c) 2025 Broadcom
6#
7# Authors:
8# Florian Fainelli <florian.fainelli@broadcom.com>
9
10import gdb
11
12from linux import utils
13from linux import constants
14
15def xa_is_internal(entry):
16 ulong_type = utils.get_ulong_type()
17 return ((entry.cast(ulong_type) & 3) == 2)
18
19def xa_mk_internal(v):
20 return ((v << 2) | 2)
21
22def xa_is_zero(entry):
23 ulong_type = utils.get_ulong_type()
24 return entry.cast(ulong_type) == xa_mk_internal(257)
25
26def xa_is_node(entry):
27 ulong_type = utils.get_ulong_type()
28 return xa_is_internal(entry) and (entry.cast(ulong_type) > 4096)