| you.chen | 2145844 | 2023-08-21 17:48:27 +0800 | [diff] [blame] | 1 | #include <stdio.h>
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| jb.qi | 0eb9aff | 2024-07-17 01:40:53 -0700 | [diff] [blame] | 2 | #include <string.h>
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| 3 | #include <stdlib.h>
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| you.chen | 2145844 | 2023-08-21 17:48:27 +0800 | [diff] [blame] | 4 | #include "lynq_misc.h"
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| 5 | #include "log/log.h"
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| 6 |
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| 7 | #undef LOG_TAG
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| 8 | #define LOG_TAG "MISC"
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| 9 |
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| 10 | int lynq_get_security_boot_flag(int * enabled_flag)
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| 11 | {
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| 12 | int value, ret;
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| 13 | if (enabled_flag == NULL)
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| 14 | {
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| 15 | RLOGE("input param is null ptr");
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| 16 | return -1;
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| 17 | }
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| 18 | *enabled_flag = 0;
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| 19 | FILE *pfile=fopen("/proc/device-tree/chosen/atag,devinfo", "r");
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| 20 | if (pfile == NULL)
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| 21 | {
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| 22 | RLOGE("open devinfo fail");
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| 23 | return -1;
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| 24 | }
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| 25 | ret = fseek(pfile, 0x428, 0);
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| 26 | if (ret != 0)
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| 27 | {
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| 28 | RLOGE("seek file fail");
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| 29 | fclose(pfile);
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| 30 | return -1;
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| 31 | }
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| 32 | ret = fread(&value, sizeof (value), 1, pfile);
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| 33 | if (ret != 1)
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| 34 | {
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| 35 | RLOGE("read file fail");
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| 36 | fclose(pfile);
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| 37 | return -1;
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| 38 | }
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| 39 | fclose(pfile);
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| 40 |
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| you.chen | 3c690fb | 2023-09-12 18:14:26 +0800 | [diff] [blame] | 41 | // the third bit of 32bits at 0x428 (index start with 0?), 1 for enabled, 0 not enabled
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| 42 | *enabled_flag = (value & 0x8) == 0 ? 0 : 1;
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| you.chen | 2145844 | 2023-08-21 17:48:27 +0800 | [diff] [blame] | 43 | return 0;
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| 44 | }
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| jb.qi | 0eb9aff | 2024-07-17 01:40:53 -0700 | [diff] [blame] | 45 |
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| 46 |
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| 47 |
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| 48 | int lynq_get_reboot_reason(void)
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| 49 | {
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| 50 | FILE *fp;
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| 51 | int ret;
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| 52 | char buffer[8];
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| 53 | int flag[3];
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| 54 | char *token;
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| 55 | int i = 1;
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| 56 | fp = popen("cat /proc/aed/reboot-reason|sed -n '1p'|awk '{print $3, $6,$9}'","r");
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| 57 | fgets(buffer, sizeof(buffer), fp);
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| 58 | pclose(fp);
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| 59 | RLOGE("buffer is %s, size is %d\n", buffer, sizeof(buffer));
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| 60 | token = strtok(buffer, " ");
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| 61 | flag[0] = atoi(token);
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| 62 | while(i < 3)
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| 63 | {
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| 64 | token = strtok(NULL, " ");
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| 65 | flag[i] = atoi(token);
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| 66 | i++;
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| 67 | }
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| 68 | if(flag[0] == 0)
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| 69 | {
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| 70 | ret = system("cat /sys/fs/pstore/console-ramoops-0 > /dev/null");
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| 71 | if(ret == 0)
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| 72 | {
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| 73 | RLOGE("reboot reason is sysrst pin\n");
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| 74 | return 1;
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| 75 | }
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| 76 | else
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| 77 | {
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| 78 | RLOGE("reboot reason is power off\n");
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| 79 | return 0;
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| 80 | }
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| 81 | }
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| 82 | else if(flag[0] == 2)
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| 83 | {
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| 84 | if(flag[2] == 0)
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| 85 | {
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| 86 | RLOGE("reboot reason is soft nomal reboot\n");
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| 87 | return 2;
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| 88 | }
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| 89 | else
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| 90 | {
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| 91 | RLOGE("reboot reason is panic\n");
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| 92 | return 3;
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| 93 | }
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| 94 | }
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| 95 | else
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| 96 | {
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| 97 | RLOGE("reboot reason is other\n");
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| 98 | return 4;
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| 99 | }
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| 100 |
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| 101 | return 0;
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| 102 |
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| 103 | }
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