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authorWolfram Sang <wsa+renesas@sang-engineering.com>2025-07-28 10:24:40 +0200
committerWolfram Sang <wsa+renesas@sang-engineering.com>2025-07-28 10:24:40 +0200
commitf61389a9cd26b424485acade726ccfff96c749de (patch)
treef54ed90124becd0e3758ef0702ae5866c6bfa65c /scripts/gdb/linux/xarray.py
parentc3ff7f06c7876bc292cac1c7d4df3d0bfd74f3b7 (diff)
parent85b9dd6e90b92f5cb7c47991421ceb4925ba2a87 (diff)
Merge tag 'i2c-host-6.17-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
i2c-host for v6.17, part 1 Cleanups and refactorings: - lpi2c, riic, st, stm32f7: general improvements - riic: support more flexible IRQ configurations - tegra: fix documentation Improvements: - lpi2c: improve register polling and add atomic transfer - imx: use guarded spinlocks New hardware support: - Samsung Exynos 2200 - Renesas RZ/T2H (R9A09G077), RZ/N2H (R9A09G087) DT binding: - rk3x: enable power domains - nxp: support clock property
Diffstat (limited to 'scripts/gdb/linux/xarray.py')
-rw-r--r--scripts/gdb/linux/xarray.py28
1 files changed, 28 insertions, 0 deletions
diff --git a/scripts/gdb/linux/xarray.py b/scripts/gdb/linux/xarray.py
new file mode 100644
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+++ b/scripts/gdb/linux/xarray.py
@@ -0,0 +1,28 @@
+# 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)