IC_src/mtk/lib/liblynq-misc/lynq_misc.cpp

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "lynq_misc.h"
#include "log/log.h"

#undef LOG_TAG
#define LOG_TAG "MISC"

int lynq_get_security_boot_flag(int * enabled_flag)
{
    int value, ret;
    if (enabled_flag == NULL)
    {
        RLOGE("input param is null ptr");
        return -1;
    }
    *enabled_flag = 0;
    FILE *pfile=fopen("/proc/device-tree/chosen/atag,devinfo", "r");
    if (pfile == NULL)
    {
        RLOGE("open devinfo fail");
        return -1;
    }
    ret = fseek(pfile, 0x428, 0);
    if (ret != 0)
    {
        RLOGE("seek file fail");
        fclose(pfile);
        return -1;
    }
    ret = fread(&value, sizeof (value), 1, pfile);
    if (ret != 1)
    {
        RLOGE("read file fail");
        fclose(pfile);
        return -1;
    }
    fclose(pfile);

    // the third bit of 32bits at 0x428 (index start with 0?), 1 for enabled, 0 not enabled
    *enabled_flag = (value & 0x8) == 0 ? 0 : 1;
    return 0;
}



int lynq_get_reboot_reason(void)
{
    FILE *fp;
    int ret;
    char buffer[8];
    int flag[3];
    char *token;
    int i = 1;
    fp = popen("cat /proc/aed/reboot-reason|sed -n '1p'|awk '{print $3, $6,$9}'","r");
    fgets(buffer, sizeof(buffer), fp);
    pclose(fp);
    RLOGE("buffer is %s, size is %d\n", buffer, sizeof(buffer));
    token = strtok(buffer, " ");
    flag[0] = atoi(token);
    while(i < 3)
    {
        token = strtok(NULL, " ");
        flag[i] = atoi(token);
        i++;
    }
    if(flag[0] == 0)
    {
        ret = system("cat /sys/fs/pstore/console-ramoops-0 > /dev/null");
        if(ret == 0)
        {
            RLOGE("reboot reason is sysrst pin\n");
            return 1;
        }
        else
        {
            RLOGE("reboot reason is power off\n");
            return 0;
        }
    }
    else if(flag[0] == 2)
    {
        if(flag[2] == 0)
        {
            RLOGE("reboot reason is soft nomal reboot\n");
            return 2;
        }
        else
        {
            RLOGE("reboot reason is panic\n");
            return 3;
        }
    }
    else
    {
        RLOGE("reboot reason is other\n");
        return 4;
    }

    return 0;

}