63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
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/*
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* drivers/platform/tegra/nvdumper/nvdumper_regdump.c
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*
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* Copyright (c) 2011-2018, NVIDIA CORPORATION. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/kdebug.h>
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#include <linux/notifier.h>
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#include <linux/sched.h>
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#include <linux/dma-mapping.h>
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#include <linux/tegra-mce.h>
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#include "nvdumper.h"
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#define DEBUG_REGDUMP 1
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void nvdumper_print_data(void)
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{
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int id;
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for_each_present_cpu(id)
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print_cpu_data(id);
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}
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static int nvdumper_die_handler(struct notifier_block *nb, unsigned long reason,
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void *data)
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{
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nvdumper_crash_setup_regs();
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return NOTIFY_OK;
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}
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static int nvdumper_panic_handler(struct notifier_block *this,
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unsigned long event, void *unused)
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{
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#if DEBUG_REGDUMP
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nvdumper_print_data();
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#endif
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tegra_flush_cache_all();
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return NOTIFY_OK;
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}
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struct notifier_block nvdumper_die_notifier = {
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.notifier_call = nvdumper_die_handler,
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.priority = INT_MAX-1, /* priority: INT_MAX >= x >= 0 */
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};
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struct notifier_block nvdumper_panic_notifier = {
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.notifier_call = nvdumper_panic_handler,
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.priority = INT_MAX-1, /* priority: INT_MAX >= x >= 0 */
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};
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