5911cde1ff
Add miscellaneous drivers which serve as examples for using okl4 hypervisor APIs. Change-Id: I597f2d77bc5af2b7b05279364041b37c16b86b8b Signed-off-by: Carl van Schaik <carl@cog.systems> Git-commit: 312e4c5d63828fb7283bbea4416fabeb5979db36 Git-repo: https://github.com/CogSystems/linux-msm/commits/msm-4.9-hyp [mnalajal@codeaurora: Resolve trivial merge conflicts] Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org> Signed-off-by: Prakruthi Deepak Heragu <pheragu@codeaurora.org>
38 lines
959 B
C
38 lines
959 B
C
/*
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* OKL4 Debug panic handler
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*
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* Copyright (c) 2017 Cog Systems Pty Ltd.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This registers a notifier that can trigger a KDB entry on panic, if enabled
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* on the kernel command line and running under a debug OKL4 kernel.
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*/
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#include <linux/kernel.h>
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#include <linux/notifier.h>
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#include <linux/init.h>
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#include <microvisor/microvisor.h>
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static int panic_kdb_interact(struct notifier_block *this, unsigned long event,
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void *ptr)
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{
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_okl4_sys_kdb_interact();
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return NOTIFY_DONE;
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}
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static struct notifier_block panic_block = {
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.notifier_call = panic_kdb_interact,
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};
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static int __init setup_okl4_panic_kdb(char *buf)
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{
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atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
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return 0;
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}
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early_param("okl4_panic_kdb", setup_okl4_panic_kdb);
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