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70 lines
1.5 KiB
70 lines
1.5 KiB
/*
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* Copyright (c) Hisilicon Technologies Co., Ltd. 2019-2019. All rights reserved.
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* Description: boottime.c
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* Author: Hisilicon
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* Create: 2020-1-2
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/device.h>
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#include <linux/io.h>
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#include <linux/kmod.h>
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#include <linux/slab.h>
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#include <linux/proc_fs.h>
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#include <linux/sysctl.h>
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#include <mntn/util.h>
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#include <linux/uaccess.h>
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#include <mntn/mntn_bootup_keypoint.h>
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#include <mntn/rdr_pub.h>
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#define MNTN_LOG_TAG MNTN_BOOTTIME_TAG
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#include <mntn/mntn_log.h>
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#include "mntn_inner.h"
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/* record kernle boot is completed */
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#define COMPLETED_MASK 0xABCDEF00
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static unsigned int g_bootanim_complete;
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/*
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* check kernel boot is completed
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* Return: 1, kernel boot is completed
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* 0, no completed
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*/
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int is_bootanim_completed(void)
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{
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return (g_bootanim_complete == COMPLETED_MASK);
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}
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static ssize_t boot_time_proc_write(struct file *file, const char __user *buf,
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size_t nr, loff_t *off)
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{
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if (is_bootanim_completed())
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return nr;
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/* only need the print time */
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mntn_print_pn("bootanim has been complete, turn to Lancher!\n");
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g_bootanim_complete = COMPLETED_MASK;
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mntn_dump_bootkmsg();
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return nr;
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}
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static const mntn_proc_ops g_boot_time_proc_fops = {
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.MNTN_PROC_WRITE = boot_time_proc_write,
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};
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static int __init boot_time_proc_init(void)
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{
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mntn_create_stats_proc_entry("boot_time", (S_IWUSR),
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&g_boot_time_proc_fops, NULL);
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return 0;
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}
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module_init(boot_time_proc_init);
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