363 lines
11 KiB
C
363 lines
11 KiB
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#include <command.h>
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#include <env.h>
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#include <malloc.h>
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#include <asm/byteorder.h>
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#include <config.h>
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#include <asm/amlogic/arch/io.h>
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#include <amlogic/storage.h>
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#include <stdlib.h>
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#include <vsprintf.h>
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#ifdef CONFIG_BOOTLOADER_CONTROL_BLOCK
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#define COMMANDBUF_SIZE 32
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#define STATUSBUF_SIZE 32
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#define RECOVERYBUF_SIZE 768
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#define BOOTINFO_OFFSET 864
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#define SLOTBUF_SIZE 32
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#define MISCBUF_SIZE 1088
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#define CMD_WIPE_DATA "wipe_data"
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#define CMD_SYSTEM_CRASH "system_crash"
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#define CMD_RUN_RECOVERY "boot-recovery"
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#define CMD_RESIZE_DATA "resize2fs_data"
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#define CMD_FOR_RECOVERY "recovery_"
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#define CMD_FASTBOOTD "fastbootd"
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static const char * const temp_for_compile[] = {"__test1", "__test2", "__test3", NULL};
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extern const char * const _env_list_execute_[0] __attribute__((weak, alias("temp_for_compile")));
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struct bootloader_message {
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char command[32];
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char status[32];
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char recovery[768];
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// The 'recovery' field used to be 1024 bytes. It has only ever
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// been used to store the recovery command line, so 768 bytes
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// should be plenty. We carve off the last 256 bytes to store the
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// stage string (for multistage packages) and possible future
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// expansion.
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char stage[32];
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char slot_suffix[32];
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char reserved[192];
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};
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#if (IS_ENABLED(CONFIG_CMD_BCB))
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static bool env_command_check(const char *cmd)
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{
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int index = 0;
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int envListNum = 0;
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char *s = NULL;
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char *v = NULL;
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char *strcopy = NULL;
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const char **envListArr = (const char **)_env_list_execute_;
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const char **pArr = (const char **)envListArr;
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while (*pArr++) {
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++envListNum;
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}
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printf("envListNum = %d\n", envListNum);
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if (envListNum == 0) {
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return false;
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}
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strcopy = strdup(cmd);
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if (!strcopy) {
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return false;
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}
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s = strcopy;
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while ((v = strsep(&s, ";")) != NULL) {
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char *p = v;
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strsep(&p, " ");
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for (index = 0; index < envListNum; index++) {
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if (!strcmp(envListArr[index], v)) {
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break;
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}
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}
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if (index == envListNum) {
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printf("%s not in the white list.\n", v);
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free(strcopy);
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strcopy = NULL;
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return false;
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}
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}
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free(strcopy);
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strcopy = NULL;
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return true;
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}
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#endif
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static int clear_misc_partition(char *clearbuf, int size)
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{
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char *partition = "misc";
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memset(clearbuf, 0, size);
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if (store_write((const char *)partition,
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0, size, (unsigned char *)clearbuf) < 0) {
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printf("failed to clear %s.\n", partition);
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return -1;
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}
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return 0;
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}
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static int my_atoi(const char *str)
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{
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int result = 0;
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int signal = 1;
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if ((*str >= '0' && *str <= '9') || *str == '-' || *str == '+') {
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if (*str == '-' || *str == '+') {
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if (*str == '-')
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signal = -1;
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str++;
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}
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} else {
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return 0;
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}
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while (*str >= '0' && *str <= '9')
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result = result * 10 + (*str++ - '0');
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return signal * result;
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}
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static int do_RunBcbCommand(
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cmd_tbl_t * cmdtp,
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int flag,
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int argc,
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char * const argv[])
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{
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int i = 0;
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char command[COMMANDBUF_SIZE] = {0};
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char status[STATUSBUF_SIZE] = {0};
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char recovery[RECOVERYBUF_SIZE] = {0};
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char miscbuf[MISCBUF_SIZE] = {0};
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char clearbuf[COMMANDBUF_SIZE+STATUSBUF_SIZE+RECOVERYBUF_SIZE] = {0};
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char* RebootMode;
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char *powermode;
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int remain_time = 0;
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if (argc != 2) {
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return cmd_usage(cmdtp);
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}
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printf("Command: ");
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for (i = 0; i < argc; i++) {
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printf("%s ", argv[i]);
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}
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printf("\n");
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char *partition = "misc";
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char *command_mark = (char *)argv[1];
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if (strlen(command_mark) > sizeof(command)) {
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//printf("Bcb command mark range out of length(%d > %d).\n",
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//strlen(command_mark), sizeof(command));
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goto ERR;
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}
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if (!memcmp(command_mark, CMD_WIPE_DATA, strlen(command_mark))) {
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printf("Start to write --wipe_data to %s\n", partition);
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memcpy(miscbuf, CMD_RUN_RECOVERY, sizeof(CMD_RUN_RECOVERY));
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memcpy(miscbuf+sizeof(command)+sizeof(status), "recovery\n--wipe_data", sizeof("recovery\n--wipe_data"));
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store_write((const char *)partition, 0, sizeof(miscbuf), (unsigned char *)miscbuf);
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} else if (!memcmp(command_mark, CMD_SYSTEM_CRASH, strlen(command_mark))) {
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printf("Start to write --system_crash to %s\n", partition);
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memcpy(miscbuf, CMD_RUN_RECOVERY, sizeof(CMD_RUN_RECOVERY));
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memcpy(miscbuf+sizeof(command)+sizeof(status), "recovery\n--system_crash", sizeof("recovery\n--system_crash"));
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store_write((const char *)partition, 0, sizeof(miscbuf), (unsigned char *)miscbuf);
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} else if (!memcmp(command_mark, CMD_RESIZE_DATA, strlen(command_mark))) {
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printf("Start to write --resize2fs_data to %s\n", partition);
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memcpy(miscbuf, CMD_RUN_RECOVERY, sizeof(CMD_RUN_RECOVERY));
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memcpy(miscbuf+sizeof(command)+sizeof(status), "recovery\n--resize2fs_data", sizeof("recovery\n--resize2fs_data"));
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store_write((const char *)partition, 0, sizeof(miscbuf), (unsigned char *)miscbuf);
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} else if (!memcmp(command_mark, CMD_FOR_RECOVERY, strlen(CMD_FOR_RECOVERY))) {
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memcpy(miscbuf, CMD_RUN_RECOVERY, sizeof(CMD_RUN_RECOVERY));
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sprintf(recovery, "%s%s", "recovery\n--", command_mark);
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memcpy(miscbuf+sizeof(command)+sizeof(status), recovery, strlen(recovery));
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store_write((const char *)partition, 0, sizeof(miscbuf), (unsigned char *)miscbuf);
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return 0;
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} else if (!memcmp(command_mark, CMD_FASTBOOTD, strlen(command_mark))) {
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printf("write cmd to enter fastbootd \n");
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memcpy(miscbuf, CMD_RUN_RECOVERY, sizeof(CMD_RUN_RECOVERY));
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memcpy(miscbuf+sizeof(command)+sizeof(status), "recovery\n--fastboot", sizeof("recovery\n--fastboot"));
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store_write((const char *)partition, 0, sizeof(miscbuf), (unsigned char *)miscbuf);
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return 0;
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}
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printf("Start read %s partition datas!\n", partition);
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if (store_read((const char *)partition,
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0, sizeof(miscbuf), (unsigned char *)miscbuf) < 0) {
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printf("failed to store read %s.\n", partition);
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goto ERR;
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}
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// judge misc partition whether has datas
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char tmpbuf[MISCBUF_SIZE];
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memset(tmpbuf, 0, sizeof(tmpbuf));
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if (!memcmp(tmpbuf, miscbuf, strlen(miscbuf))) {
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env_set("retry_recovery_times", "7");
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#if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
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run_command("update_env_part -p retry_recovery_times;", 0);
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#else
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run_command("saveenv;", 0);
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#endif
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printf("BCB hasn't any datas,exit!\n");
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return 0;
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}
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memcpy(command, miscbuf, sizeof(command));
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memcpy(status, miscbuf+sizeof(command), sizeof(status));
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memcpy(recovery, miscbuf+sizeof(command)+sizeof(status), sizeof(recovery));
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memcpy(clearbuf, miscbuf, sizeof(clearbuf));
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printf("get bootloader message from misc partition:\n");
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printf("[command:%s]\n[status:%s]\n[recovery:%s]\n",
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command, status, recovery);
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run_command("get_rebootmode", 0);
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RebootMode = env_get("reboot_mode");
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if (RebootMode && strstr(RebootMode, "quiescent")) {
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printf("quiescent mode.\n");
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run_command("run storeargs", 0);
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run_command("setenv bootconfig ${bootconfig} androidboot.quiescent=1;", 0);
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}
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powermode = env_get("powermode");
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if (RebootMode && !strcmp(RebootMode, "cold_boot")) {
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if (powermode && !strcmp(powermode, "standby")) {
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printf("cold_boot default standby, ignore recovery mode\n");
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clear_misc_partition(clearbuf, sizeof(clearbuf));
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return 0;
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}
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}
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if (!memcmp(command, CMD_RUN_RECOVERY, strlen(CMD_RUN_RECOVERY))) {
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char *retry_times;
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retry_times = env_get("retry_recovery_times");
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if (retry_times) {
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printf("retry_time: %s\n", retry_times);
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remain_time = my_atoi(retry_times);
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printf("retry_time remain_time = %d\n", remain_time);
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}
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if (remain_time == 0) {
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printf("clear recovery cmds in misc\n");
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if (clear_misc_partition(clearbuf, sizeof(clearbuf)) < 0) {
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printf("clear misc partition failed.\n");
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goto ERR;
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}
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env_set("retry_recovery_times", "7");
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#if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
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run_command("update_env_part -p retry_recovery_times;", 0);
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#else
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run_command("saveenv;", 0);
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#endif
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run_command("run enter_fastboot", 0);
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}
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if (retry_times && remain_time > 0) {
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sprintf(retry_times, "%d", remain_time - 1);
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printf("retry_time: %s\n", retry_times);
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env_set("retry_recovery_times", retry_times);
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#if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
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run_command("update_env_part -p retry_recovery_times;", 0);
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#else
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run_command("saveenv;", 0);
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#endif
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}
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if (run_command("run recovery_from_flash", 0) < 0) {
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printf("run_command for cmd:run recovery_from_flash failed.\n");
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return -1;
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}
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printf("run command:run recovery_from_flash successful.\n");
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return 0;
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}
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#if (IS_ENABLED(CONFIG_CMD_BCB))
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//uboot-command only valid once, not matter success or not
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if (clear_misc_partition(clearbuf, sizeof(clearbuf)) < 0) {
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printf("clear misc partition failed.\n");
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goto ERR;
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}
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if (!memcmp(command_mark, command, strlen(command_mark))) {
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printf("%s\n", recovery);
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if (run_command((char *)recovery, 0) < 0) {
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printf("run_command for cmd:%s failed.\n", recovery);
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goto ERR;
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}
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printf("run command successful.\n");
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} else if (!strncmp(command_mark, "uboot-command", strlen("uboot-command"))) {
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printf("uboot-command: %s\n", command);
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if (!env_command_check(command)) {
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printf("not all uboot-command in white-list\n");
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goto ERR;
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}
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if (run_command((char *)command, 0) < 0) {
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printf("run_command for cmd:%s failed.\n", command);
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goto ERR;
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}
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printf("run uboot-command successful.\n");
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} else {
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printf("command mark(%s) not match %s,don't execute.\n",
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command_mark, command);
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}
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#endif
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return 0;
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ERR:
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return -1;
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}
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#else
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static int do_RunBcbCommand(
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cmd_tbl_t * cmdtp,
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int flag,
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int argc,
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char * const argv[])
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{
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if (argc != 2) {
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return cmd_usage(cmdtp);
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}
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// Do-Nothing!
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return 0;
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}
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#endif /* CONFIG_BOOTLOADER_CONTROL_BLOCK */
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// BCB: Bootloader Control Block
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U_BOOT_CMD(
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bcb, 2, 0, do_RunBcbCommand,
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"bcb",
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"\nThis command will run some commands which saved in misc\n"
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"partition by mark to decide whether execute command!\n"
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"Command format:\n"
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" bcb bcb_mark\n"
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"Example:\n"
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" /dev/block/misc partition is saved some contents:\n"
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" uboot-command\n" // command mark
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" N/A\n"
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" setenv aa 11;setenv bb 22;setenv cc 33;saveenv;\n" // command
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"So you can execute command: bcb uboot-command"
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);
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