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