Files
2026-08-24 10:03:24 +08:00

1553 lines
41 KiB
C

// SPDX-License-Identifier: BSD-2-Clause
/*
* Copyright (C) 2016 The Android Open Source Project
*/
#include <command.h>
#include <console.h>
#include <env.h>
#include <fastboot.h>
#include <fastboot-internal.h>
#include <fb_mmc.h>
#include <fb_nand.h>
#include <part.h>
#include <stdlib.h>
#include <vsprintf.h>
#include <linux/printk.h>
#ifdef CONFIG_AMLOGIC_MODIFY
#include <amlogic/emmc_partitions.h>
#include <amlogic/storage.h>
#include <amlogic/aml_efuse.h>
#include <amlogic/aml_mmc.h>
#include <android_image.h>
#include <image.h>
#include <amlogic/store_wrapper.h>
#include <malloc.h>
#include <amlogic/image_check.h>
#include <fs.h>
#include <version.h>
#if defined(CONFIG_AML_ANTIROLLBACK) || defined(CONFIG_AML_AVB2_ANTIROLLBACK)
#include <amlogic/anti-rollback.h>
#endif
#endif
/**
* image_size - final fastboot image size
*/
static u32 image_size;
/**
* fastboot_bytes_received - number of bytes received in the current download
*/
static u32 fastboot_bytes_received;
/**
* fastboot_bytes_expected - number of bytes expected in the current download
*/
static u32 fastboot_bytes_expected;
static void okay(char *, char *);
static void getvar(char *, char *);
#ifdef CONFIG_FASTBOOT_WRITING_CMD
static void download(char *, char *);
static void flash(char *, char *);
static void erase(char *, char *);
#endif
static void reboot_bootloader(char *, char *);
static void reboot_fastbootd(char *, char *);
static void reboot_recovery(char *, char *);
#ifdef CONFIG_FASTBOOT_WRITING_CMD
#ifdef CONFIG_AMLOGIC_MODIFY
static void fetch(char *, char *);
static void oem_cmd(char *, char *);
#if !CONFIG_IS_ENABLED(NO_FASTBOOT_FLASHING)
static void flashing(char *, char *);
#endif
static void set_active_cmd(char *, char *);
#endif
static void oem_format(char *, char *);
static void oem_partconf(char *, char *);
static void oem_bootbus(char *, char *);
#endif
static void oem_console(char *, char *);
static void oem_board(char *, char *);
#ifdef CONFIG_AMLOGIC_MODIFY
extern int is_partition_logical(char* partition_name);
#endif
static void run_ucmd(char *, char *);
static void run_acmd(char *, char *);
static const struct {
const char *command;
void (*dispatch)(char *cmd_parameter, char *response);
} commands[FASTBOOT_COMMAND_COUNT] = {
[FASTBOOT_COMMAND_GETVAR] = {
.command = "getvar",
.dispatch = getvar
},
#ifdef CONFIG_FASTBOOT_WRITING_CMD
[FASTBOOT_COMMAND_DOWNLOAD] = {
.command = "download",
.dispatch = download
},
#ifdef CONFIG_AMLOGIC_MODIFY
#if !CONFIG_IS_ENABLED(NO_FASTBOOT_FLASHING)
[FASTBOOT_COMMAND_FLASHING] = {
.command = "flashing",
.dispatch = flashing
},
#endif
[FASTBOOT_COMMAND_FETCH] = {
.command = "fetch",
.dispatch = fetch
},
[FASTBOOT_COMMAND_OEM] = {
.command = "oem",
.dispatch = oem_cmd,
},
#endif
[FASTBOOT_COMMAND_FLASH] = {
.command = "flash",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_FLASH, (flash), (NULL))
},
[FASTBOOT_COMMAND_ERASE] = {
.command = "erase",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_FLASH, (erase), (NULL))
},
[FASTBOOT_COMMAND_BOOT] = {
.command = "boot",
.dispatch = okay
},
#endif
[FASTBOOT_COMMAND_CONTINUE] = {
.command = "continue",
.dispatch = okay
},
[FASTBOOT_COMMAND_REBOOT_BOOTLOADER] = {
.command = "reboot-bootloader",
.dispatch = reboot_bootloader
},
[FASTBOOT_COMMAND_REBOOT_FASTBOOTD] = {
.command = "reboot-fastboot",
.dispatch = reboot_fastbootd
},
[FASTBOOT_COMMAND_REBOOT_RECOVERY] = {
.command = "reboot-recovery",
.dispatch = reboot_recovery
},
[FASTBOOT_COMMAND_REBOOT] = {
.command = "reboot",
.dispatch = okay
},
#ifdef CONFIG_FASTBOOT_WRITING_CMD
[FASTBOOT_COMMAND_SET_ACTIVE] = {
.command = "set_active",
#ifdef CONFIG_AMLOGIC_MODIFY
.dispatch = set_active_cmd
#else
.dispatch = okay
#endif
},
[FASTBOOT_COMMAND_OEM_FORMAT] = {
.command = "oem format",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_FORMAT, (oem_format), (NULL))
},
[FASTBOOT_COMMAND_OEM_PARTCONF] = {
.command = "oem partconf",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_PARTCONF, (oem_partconf), (NULL))
},
[FASTBOOT_COMMAND_OEM_BOOTBUS] = {
.command = "oem bootbus",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_BOOTBUS, (oem_bootbus), (NULL))
},
[FASTBOOT_COMMAND_OEM_RUN] = {
.command = "oem run",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_OEM_RUN, (run_ucmd), (NULL))
},
#endif
[FASTBOOT_COMMAND_OEM_CONSOLE] = {
.command = "oem console",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_CONSOLE, (oem_console), (NULL))
},
[FASTBOOT_COMMAND_OEM_BOARD] = {
.command = "oem board",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_OEM_BOARD, (oem_board), (NULL))
},
[FASTBOOT_COMMAND_UCMD] = {
.command = "UCmd",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT, (run_ucmd), (NULL))
},
[FASTBOOT_COMMAND_ACMD] = {
.command = "ACmd",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT, (run_acmd), (NULL))
},
};
#ifdef CONFIG_AMLOGIC_MODIFY
struct fastboot_read fastboot_readInfo;
static int strcmp_l1(const char *s1, const char *s2)
{
if (!s1 || !s2)
return -1;
if (strlen(s2) < strlen(s1))
return -2;
return strncmp(s1, s2, strlen(s1));
}
void dump_lock_info(LockData_t info)
{
#if 0
printf("info.version_major = %d\n", info.version_major);
printf("info.version_minor = %d\n", info.version_minor);
printf("info.unlock_ability = %d\n", info.unlock_ability);
printf("info.lock_state = %d\n", info.lock_state);
printf("info.lock_critical_state = %d\n", info.lock_critical_state);
printf("info.lock_bootloader = %d\n", info.lock_bootloader);
#endif
}
#endif
/**
* fastboot_handle_command - Handle fastboot command
*
* @cmd_string: Pointer to command string
* @response: Pointer to fastboot response buffer
*
* Return: Executed command, or -1 if not recognized
*/
int fastboot_handle_command(char *cmd_string, char *response)
{
int i;
char *cmd_parameter;
cmd_parameter = cmd_string;
strsep(&cmd_parameter, ":");
if (CONFIG_IS_ENABLED(NO_FASTBOOT_FLASHING) && !strcmp_l1("flashing", cmd_string)) {
pr_err("For product mode, command: %s is not supported.\n", cmd_string);
fastboot_fail("For product mode, flashing lock/unlock is not supported.", response);
return -1;
}
for (i = 0; i < FASTBOOT_COMMAND_COUNT; i++) {
#ifdef CONFIG_AMLOGIC_MODIFY
if (!strcmp_l1(commands[i].command, cmd_string)) {
if (commands[i].dispatch) {
if (cmd_parameter) {
commands[i].dispatch(cmd_parameter,
response);
} else {
commands[i].dispatch(cmd_string,
response);
}
return i;
} else {
break;
}
}
#else
if (!strcmp(commands[i].command, cmd_string)) {
if (commands[i].dispatch) {
commands[i].dispatch(cmd_parameter,
response);
return i;
} else {
pr_err("command %s not supported.\n", cmd_string);
fastboot_fail("Unsupported command", response);
return -1;
}
}
#endif
}
pr_err("command %s not recognized.\n", cmd_string);
fastboot_fail("unrecognized command", response);
return -1;
}
void fastboot_multiresponse(int cmd, char *response)
{
switch (cmd) {
case FASTBOOT_COMMAND_GETVAR:
fastboot_getvar_all(response);
break;
case FASTBOOT_COMMAND_OEM_CONSOLE:
if (CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_CONSOLE)) {
char buf[FASTBOOT_RESPONSE_LEN] = { 0 };
if (console_record_isempty()) {
console_record_reset();
fastboot_okay(NULL, response);
} else {
int ret = console_record_readline(buf, sizeof(buf) - 5);
if (ret < 0)
fastboot_fail("Error reading console", response);
else
fastboot_response("INFO", response, "%s", buf);
}
break;
}
default:
fastboot_fail("Unknown multiresponse command", response);
break;
}
}
/**
* okay() - Send bare OKAY response
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*
* Send a bare OKAY fastboot response. This is used where the command is
* valid, but all the work is done after the response has been sent (e.g.
* boot, reboot etc.)
*/
static void okay(char *cmd_parameter, char *response)
{
fastboot_okay(NULL, response);
}
/**
* getvar() - Read a config/version variable
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void getvar(char *cmd_parameter, char *response)
{
fastboot_getvar(cmd_parameter, response);
}
/**
* fastboot_download() - Start a download transfer from the client
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
#ifdef CONFIG_FASTBOOT_WRITING_CMD
static void download(char *cmd_parameter, char *response)
{
char *tmp;
#ifdef CONFIG_AMLOGIC_MODIFY
if (check_lock() == 1) {
printf("device is locked, can not run this cmd.Please flashing unlock & flashing unlock_critical\n");
fastboot_fail("locked device", response);
return;
}
#endif
if (!cmd_parameter) {
fastboot_fail("Expected command parameter", response);
return;
}
fastboot_bytes_received = 0;
fastboot_bytes_expected = hextoul(cmd_parameter, &tmp);
if (fastboot_bytes_expected == 0) {
fastboot_fail("Expected nonzero image size", response);
return;
}
/*
* Nothing to download yet. Response is of the form:
* [DATA|FAIL]$cmd_parameter
*
* where cmd_parameter is an 8 digit hexadecimal number
*/
if (fastboot_bytes_expected > fastboot_buf_size) {
#ifdef CONFIG_AMLOGIC_MODIFY
char str[128] = {0};
printf("fastboot_bytes_expected %d > fastboot_buf_size %d\n",
fastboot_bytes_expected, fastboot_buf_size);
sprintf(str, "data too large, please add -S %dM",
(fastboot_buf_size / 1024 / 1024));
fastboot_fail(str, response);
#else
fastboot_fail(cmd_parameter, response);
#endif
} else {
printf("Starting download of %d bytes\n",
fastboot_bytes_expected);
fastboot_response("DATA", response, "%s", cmd_parameter);
}
}
#endif
/**
* fastboot_data_remaining() - return bytes remaining in current transfer
*
* Return: Number of bytes left in the current download
*/
u32 fastboot_data_remaining(void)
{
return fastboot_bytes_expected - fastboot_bytes_received;
}
/**
* fastboot_data_download() - Copy image data to fastboot_buf_addr.
*
* @fastboot_data: Pointer to received fastboot data
* @fastboot_data_len: Length of received fastboot data
* @response: Pointer to fastboot response buffer
*
* Copies image data from fastboot_data to fastboot_buf_addr. Writes to
* response. fastboot_bytes_received is updated to indicate the number
* of bytes that have been transferred.
*
* On completion sets image_size and ${filesize} to the total size of the
* downloaded image.
*/
void fastboot_data_download(const void *fastboot_data,
unsigned int fastboot_data_len,
char *response)
{
#define BYTES_PER_DOT 0x20000
u32 pre_dot_num, now_dot_num;
if (fastboot_data_len == 0 ||
(fastboot_bytes_received + fastboot_data_len) >
fastboot_bytes_expected) {
fastboot_fail("Received invalid data length",
response);
return;
}
/* Download data to fastboot_buf_addr */
memcpy(fastboot_buf_addr + fastboot_bytes_received,
fastboot_data, fastboot_data_len);
pre_dot_num = fastboot_bytes_received / BYTES_PER_DOT;
fastboot_bytes_received += fastboot_data_len;
now_dot_num = fastboot_bytes_received / BYTES_PER_DOT;
if (pre_dot_num != now_dot_num) {
putc('.');
if (!(now_dot_num % 74))
putc('\n');
}
*response = '\0';
}
/**
* fastboot_data_complete() - Mark current transfer complete
*
* @response: Pointer to fastboot response buffer
*
* Set image_size and ${filesize} to the total size of the downloaded image.
*/
void fastboot_data_complete(char *response)
{
/* Download complete. Respond with "OKAY" */
fastboot_okay(NULL, response);
printf("\ndownloading of %d bytes finished\n", fastboot_bytes_received);
image_size = fastboot_bytes_received;
env_set_hex("filesize", image_size);
fastboot_bytes_expected = 0;
fastboot_bytes_received = 0;
}
#ifdef CONFIG_FASTBOOT_WRITING_CMD
#ifdef CONFIG_AMLOGIC_MODIFY
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
static void write_dts_reserve(void)
{
int ret;
void *addr = NULL;
char *mem_addr;
if (run_command("imgread dtb ${boot_part} ${dtb_mem_addr}", 0)) {
printf("Fail in load dtb\n");
} else {
mem_addr = env_get("dtb_mem_addr");
if (mem_addr) {
addr = (void *)simple_strtoul(mem_addr, NULL, 16);
ret = dtb_write(addr);
if (ret)
printf("write dtb error\n");
else
printf("write dtb ok\n");
}
}
}
#if 0
static int clear_misc_partition(void)
{
char *partition = "misc";
char *buffer = NULL;
u64 rc = 0;
rc = store_part_size(partition);
buffer = (char *)malloc(rc - AVB_CUSTOM_KEY_LEN_MAX);
if (!buffer) {
printf("malloc error\n");
return -1;
}
memset(buffer, 0, rc - AVB_CUSTOM_KEY_LEN_MAX);
store_write((const char *)partition, 0, rc - AVB_CUSTOM_KEY_LEN_MAX,
(unsigned char *)buffer);
free(buffer);
return 0;
}
#endif
static void set_fastboot_flag(int flag)
{
env_set("default_env", "1");
if (flag == 1)
env_set("fastboot_step", "1");
#if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
run_command("update_env_part -p default_env;", 0);
if (flag == 1)
run_command("update_env_part -p fastboot_step;", 0);
#else
run_command("defenv_reserve;", 0);
run_command("setenv default_env 1;", 0);
if (flag == 1)
run_command("setenv fastboot_step 1;", 0);
run_command("saveenv;", 0);
#endif//#if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
}
#endif
#endif
/**
* flash() - write the downloaded image to the indicated partition.
*
* @cmd_parameter: Pointer to partition name
* @response: Pointer to fastboot response buffer
*
* Writes the previously downloaded image to the partition indicated by
* cmd_parameter. Writes to response.
*/
static void __maybe_unused flash(char *cmd_parameter, char *response)
{
#ifdef CONFIG_AMLOGIC_MODIFY
char name[32] = {0};
u64 rc = 0;
int ret = -1;
if (check_lock() == 1) {
printf("device is locked, can not run this cmd.Please flashing unlock & flashing unlock_critical\n");
fastboot_fail("locked device", response);
return;
}
printf("cmd_parameter: %s\n", cmd_parameter);
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
struct mmc *mmc = find_mmc_device(CONFIG_FASTBOOT_FLASH_MMC_DEV);
if (mmc && strcmp(cmd_parameter, "bootloader") == 0) {
printf("try to read gpt data from bootloader.img\n");
struct blk_desc *dev_desc;
int erase_flag = 0;
char *bootloaderindex;
char *slot_name = NULL;
char partname[32] = {0};
int gpt_flag = -1;
gpt_header *gpt_h;
/*ret = update_boot_hdr_4_s7d_reva(fastboot_buf_addr, image_size, 0);
if (ret) {
printf("Failed to write s7d reva boot0\n");
fastboot_fail("Failed to write s7d reva boot0", response);
return;
}*/
slot_name = env_get("active_slot");
if (slot_name && (strcmp(slot_name, "_a") == 0))
strcpy((char *)partname, "bootloader_a");
else if (slot_name && (strcmp(slot_name, "_b") == 0))
strcpy((char *)partname, "bootloader_b");
else
strcpy((char *)partname, "bootloader_up");
rc = store_part_size(partname);
if (rc != -1) {
fastboot_mmc_erase(partname, response);
fastboot_mmc_flash_write(partname, fastboot_buf_addr, image_size,
response);
}
/* the max size of bootloader.img is 4M, we reserve 128k for gpt.bin
* so we put gpt.bin at offset 0x3DFE00
* 0 ~ 512 bootloader secure boot, we don't care it here.
* 512 ~ 0x3DFDFF original bootloader.img and 0
* 0x3DFE00 ~ end gpt.bin
*/
dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
printf("invalid mmc device\n");
fastboot_fail("invalid mmc device", response);
return;
}
gpt_h = fastboot_buf_addr + 0x3DFE00 + (GPT_PRIMARY_PARTITION_TABLE_LBA *
dev_desc->blksz);
if (le64_to_cpu(gpt_h->signature) != GPT_HEADER_SIGNATURE_UBOOT) {
printf("printf normal bootloader.img, no gpt partition table\n");
} else {
check_gpt_part(dev_desc, fastboot_buf_addr + 0x3DFE00);
if (is_valid_gpt_buf(dev_desc, fastboot_buf_addr + 0x3DFE00)) {
printf("invalid gpt\n");
} else {
printf("find gpt partition table, update it\n"
"and write bootloader to boot0/boot1\n");
erase_flag = check_gpt_change(dev_desc, fastboot_buf_addr + 0x3DFE00);
if (erase_flag != 0) {
printf("partition changes, erase emmc\n");
//run_command("store erase.chip 0;", 0);
if (usb_burn_erase_data(0x3)) {
printf("partition erase failed!\n");
return;
}
}
if (write_mbr_and_gpt_partitions(dev_desc, fastboot_buf_addr + 0x3DFE00)) {
printf("%s: writing GPT partitions failed\n", __func__);
fastboot_fail("writing GPT partitions failed", response);
return;
}
if (mmc_device_init(mmc) != 0) {
printf(" update gpt partition table fail\n");
fastboot_fail("fastboot update gpt partition fail", response);
return;
}
printf("%s: writing GPT partitions ok\n", __func__);
char *mem_addr;
void *addr = NULL;
int ret;
mem_addr = env_get("dtb_mem_addr");
if (mem_addr && erase_flag == 1) {
printf("partition changes, erase emmc\n");
//run_command("store erase.chip 0;", 0);
if (usb_burn_erase_data(0x3)) {
printf("partition erase failed!\n");
return;
}
printf("write _aml_dtb\n");
addr = (void *)simple_strtoul(mem_addr, NULL, 16);
ret = dtb_write(addr);
if (ret)
printf("write _aml_dtb error\n");
else
printf("write _aml_dtb ok\n");
}
}
}
gpt_flag = aml_gpt_valid(mmc);
if (gpt_flag == 0)
ret = 0;
#if defined(CONFIG_EFUSE_OBJ_API) && defined(CONFIG_CMD_EFUSE)
run_command("efuse_obj get FEAT_DISABLE_EMMC_USER", 0);
if (*efuse_field.data == 1) {
wrnP("efuse_field.data == 1\n");
ret = 0;
env_set("nocs_mode", "true");
} else {
wrnP("efuse_field.data != 1\n");
env_set("nocs_mode", "false");
}
#endif//#ifdef CONFIG_EFUSE_OBJ_API
bootloaderindex = env_get("forUpgrade_bootloaderIndex");
if (ret == 0) {
printf("gpt/nocs mode\n");
fastboot_mmc_flash_write("bootloader-boot1", fastboot_buf_addr, image_size,
response);
if (!bootloaderindex ||
(bootloaderindex && strcmp(bootloaderindex, "1") != 0)) {
printf("boot from boot1, means boot0 is error, rewrite it\n");
fastboot_mmc_flash_write("bootloader-boot0",
fastboot_buf_addr, image_size, response);
run_command("mmc dev 1 0;", 0);
set_fastboot_flag(0);
} else {
printf("need to set fastboot_step\n");
run_command("mmc dev 1 0;", 0);
set_fastboot_flag(1);
}
return;
} else {
printf("normal mode\n");
fastboot_mmc_flash_write("bootloader-boot0", fastboot_buf_addr, image_size,
response);
fastboot_mmc_flash_write("bootloader-boot1", fastboot_buf_addr, image_size,
response);
if (!bootloaderindex ||
(bootloaderindex && strcmp(bootloaderindex, "0") != 0)) {
printf("boot from boot0, rewrite user bootloader is error\n");
fastboot_mmc_flash_write("bootloader",
fastboot_buf_addr, image_size, response);
run_command("mmc dev 1 0;", 0);
set_fastboot_flag(0);
} else {
run_command("mmc dev 1 0;", 0);
set_fastboot_flag(1);
}
return;
}
}
#endif
if (strcmp(cmd_parameter, "avb_custom_key") == 0) {
char* buffer = NULL;
char *partition = "misc";
AvbKey_t key;
printf("avb_custom_key image_size: %d\n", image_size);
if (image_size > AVB_CUSTOM_KEY_LEN_MAX - sizeof(AvbKey_t)) {
printf("key size is too large\n");
fastboot_fail("size error", response);
return;
}
memcpy(key.magic_name, "AVBK", 4);
key.size = image_size;
rc = store_part_size(partition);
buffer = (char *)malloc(AVB_CUSTOM_KEY_LEN_MAX);
if (!buffer) {
printf("malloc error\n");
fastboot_fail("malloc error", response);
return;
}
memset(buffer, 0, AVB_CUSTOM_KEY_LEN_MAX);
memcpy(buffer, &key, sizeof(AvbKey_t));
memcpy(buffer + sizeof(AvbKey_t), fastboot_buf_addr, image_size);
store_write((const char *)partition, rc - AVB_CUSTOM_KEY_LEN_MAX,
AVB_CUSTOM_KEY_LEN_MAX, (unsigned char *)buffer);
fastboot_okay(NULL, response);
free(buffer);
return;
}
if (strcmp(cmd_parameter, "userdata") == 0 || strcmp(cmd_parameter, "data") == 0) {
fastboot_okay(NULL, response);
return;
} else if (strcmp(cmd_parameter, "dts") == 0) {
strcpy(name, "dtb");
} else if (!strcmp(cmd_parameter, "bootloader-boot0") ||
!strcmp(cmd_parameter, "bootloader-boot1")) {
/*ret = update_boot_hdr_4_s7d_reva(fastboot_buf_addr, image_size, 0);
if (ret) {
printf("Failed to write s7d reva boot0\n");
fastboot_fail("Failed to write s7d reva boot0-1", response);
return;
}*/
strlcpy(name, cmd_parameter, 31);
} else {
strlcpy(name, cmd_parameter, 31);
}
strcat(name, "\0");
#ifdef CONFIG_BOOTLOADER_CONTROL_BLOCK
if (dynamic_partition) {
if (is_partition_logical(name) == 0) {
printf("logic partition, can not write here.......\n");
fastboot_fail("logic partition", response);
return;
}
}
#endif
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
fastboot_mmc_flash_write(name, fastboot_buf_addr, image_size,
response);
#endif
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND)
fastboot_nand_flash_write(name, fastboot_buf_addr, image_size,
response);
#endif
if (strcmp(name, "bootloader") == 0) {
env_set("default_env", "1");
#if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
run_command("update_env_part -p default_env;", 0);
#else
run_command("defenv_reserve;saveenv;", 0);
#endif// #if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
}
if (strcmp(name, "bootloader-boot0") == 0 ||
strcmp(name, "bootloader-boot1") == 0) {
printf("try to switch back to user\n");
run_command("mmc dev 1 0;", 0);
}
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
if (mmc && aml_gpt_valid(mmc) == 0) {
if (vendor_boot_partition) {
if (strcmp_l1("vendor_boot", name) == 0) {
printf("gpt mode, write dts to reserve\n");
write_dts_reserve();
}
} else {
if (strcmp_l1("boot", name) == 0) {
printf("gpt mode, write dts to reserve\n");
write_dts_reserve();
}
}
}
#endif
#endif
}
/**
* erase() - erase the indicated partition.
*
* @cmd_parameter: Pointer to partition name
* @response: Pointer to fastboot response buffer
*
* Erases the partition indicated by cmd_parameter (clear to 0x00s). Writes
* to response.
*/
static void __maybe_unused erase(char *cmd_parameter, char *response)
{
#ifdef CONFIG_AMLOGIC_MODIFY
char name[32] = {0};
u64 rc = 0;
if (check_lock() == 1) {
printf("device is locked, can not run this cmd.Please flashing unlock & flashing unlock_critical\n");
fastboot_fail("locked device", response);
return;
}
printf("cmd_parameter in erase: %s\n", cmd_parameter);
#ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
struct mmc *mmc = find_mmc_device(CONFIG_FASTBOOT_FLASH_MMC_DEV);
if ((mmc != NULL) && strcmp(cmd_parameter, "bootloader") == 0 && (aml_gpt_valid(mmc) == 0)) {
printf("we write gpt partition table to bootloader now\n");
printf("plese write bootloader to bootloader-boot0/bootloader-boot1\n");
fastboot_okay("gpt mode, skip", response);
return;
}
#endif
if (strcmp(cmd_parameter, "avb_custom_key") == 0) {
char* buffer = NULL;
char *partition = "misc";
rc = store_part_size(partition);
buffer = (char *)malloc(AVB_CUSTOM_KEY_LEN_MAX);
if (!buffer) {
printf("malloc error\n");
fastboot_fail("malloc error", response);
return;
}
memset(buffer, 0, AVB_CUSTOM_KEY_LEN_MAX);
store_write((const char *)partition, rc - AVB_CUSTOM_KEY_LEN_MAX,
AVB_CUSTOM_KEY_LEN_MAX, (unsigned char *)buffer);
fastboot_okay(NULL, response);
free(buffer);
return;
}
if (strcmp(cmd_parameter, "env") == 0) {
char *fastboot_step = env_get("fastboot_step");
if (fastboot_step && strcmp(fastboot_step, "0")) {
printf("fastboot_step: %s, run defenv_reserv\n", fastboot_step);
run_command("defenv_reserv; setenv upgrade_step 2; saveenv;", 0);
run_command("run bcb_cmd", 0);
fastboot_okay(NULL, response);
return;
}
}
if (strcmp(cmd_parameter, "misc") == 0) {
char* buffer = NULL;
char *partition = "misc";
rc = store_part_size(partition);
buffer = (char *)malloc(rc - AVB_CUSTOM_KEY_LEN_MAX);
if (!buffer) {
printf("malloc error\n");
fastboot_fail("malloc error", response);
return;
}
memset(buffer, 0, rc - AVB_CUSTOM_KEY_LEN_MAX);
store_write((const char *)partition, 0, rc - AVB_CUSTOM_KEY_LEN_MAX,
(unsigned char *)buffer);
fastboot_okay(NULL, response);
free(buffer);
return;
}
if (strcmp(cmd_parameter, "userdata") == 0 || strcmp(cmd_parameter, "data") == 0) {
rc = store_part_size("userdata");
if (-1 == rc)
strcpy(name, "data");
else
strcpy(name, "userdata");
} else if (strcmp(cmd_parameter, "dts") == 0) {
strcpy(name, "dtb");
} else {
strncpy(name, cmd_parameter, 31);
}
strcat(name, "\0");
#ifdef CONFIG_BOOTLOADER_CONTROL_BLOCK
if (dynamic_partition) {
if (is_partition_logical(name) == 0) {
printf("logic partition, can not erase here.......\n");
fastboot_fail("logic partition", response);
return;
}
}
#endif
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
fastboot_mmc_erase(name, response);
#endif
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND)
fastboot_nand_erase(name, response);
#endif
#endif
}
#ifdef CONFIG_AMLOGIC_MODIFY
static u64 my_ato11(const char *str)
{
u64 result = 0;
int len, i;
len = strlen(str);
for (i = 0; i < len; i++) {
if (*str >= '0' && *str <= '9')
result = result * 16 + (*str - '0');
else if (*str >= 'A' && *str <= 'F')
result = result * 16 + (*str - 'A') + 10;
else if (*str >= 'a' && *str <= 'f')
result = result * 16 + (*str - 'a') + 10;
str++;
}
return result;
}
static void fetch(char *cmd_parameter, char *response)
{
int len;
int i = 0;
char *cmd;
char name[32] = {0};
u64 offset = 0;
u64 read_size = 0;
size_t size = 0;
if (check_lock() == 1) {
printf("device is locked, can not run this cmd\n");
fastboot_fail("locked device", response);
return;
}
cmd = cmd_parameter;
len = strlen(cmd_parameter);
while (strsep(&cmd, ":"))
i++;
for (cmd = cmd_parameter, i = 0; cmd < (cmd_parameter + len); i++) {
/* Skip to next assignment */
if (i == 0) {
strncpy(name, cmd, 31);
strcat(name, "\0");
} else if (i == 1) {
offset = my_ato11(cmd);
} else if (i == 2) {
read_size = my_ato11(cmd);
}
for (cmd += strlen(cmd); cmd < (cmd_parameter + len) && !*cmd;)
cmd++;
}
printf("name: %s\n", name);
if (strncmp("vendor_boot", name, strlen("vendor_boot")) != 0) {
printf("We can only %s vendor_boot\n", __func__);
fastboot_fail("Fetch is only allowed on vendor_boot", response);
return;
}
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
struct blk_desc *dev_desc;
struct disk_partition part_info;
int r;
r = fastboot_mmc_get_part_info(name, &dev_desc, &part_info,
response);
if (r >= 0)
size = part_info.size * 512;
#endif
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND)
struct part_info *part_info;
int r;
r = fastboot_nand_get_part_info(name, &part_info, response);
if (r >= 0)
size = part_info->size * 512;
#endif
if (offset > size) {
printf("Invalid offset: 0x%llx, partition size is 0x%lx\n",
offset, size);
fastboot_fail("Invalid offset", response);
return;
}
if (read_size == 0 || read_size > size - offset ||
read_size > kMaxFetchSizeDefault) {
printf("Invalid read size: 0x%llx, partition size is 0x%lx\n",
offset, size);
fastboot_fail("Invalid read size", response);
return;
}
printf("Start read %s partition datas!\n", name);
void *buffer;
char str[128] = {0};
buffer = (void *)CONFIG_FASTBOOT_BUF_ADDR;
sprintf(str, "DATA%12llx", read_size);
printf("str: %s, len: %ld\n", str, strlen(str));
memcpy(buffer, str, strlen(str));
if (store_read((const char *)name, offset, read_size,
(unsigned char *)buffer + strlen(str)) < 0) {
printf("failed to store read %s.\n", name);
fastboot_fail("read partition data error", response);
return;
}
fastboot_readInfo.transferredBytes = 0;
fastboot_readInfo.totalBytes = read_size + strlen(str);
fastboot_response("DATA", response, "%12llx", read_size);
}
static void oem_cmd(char *cmd_parameter, char *response)
{
char *cmd;
int i = 0, len = 0, j = 0;
char cmd_str[FASTBOOT_RESPONSE_LEN];
printf("oem cmd_parameter: %s\n", cmd_parameter);
if (IS_FEAT_BOOT_VERIFY()) {
printf("device is secure mode, can not run this cmd.\n");
fastboot_fail("secure boot device", response);
return;
}
if (check_lock() == 1) {
printf("device is locked, can not run this cmd.Please flashing unlock & flashing unlock_critical\n");
fastboot_fail("locked device", response);
return;
}
cmd = cmd_parameter;
strsep(&cmd, " ");
printf("To run cmd[%s]\n", cmd);
len = strlen(cmd);
for (i = 0; i < len; i++) {
if (cmd[i] != '\'')
cmd_str[j++] = cmd[i];
}
cmd_str[j] = '\0';
printf("cmd_str2: %s\n", cmd_str);
run_command(cmd_str, 0);
fastboot_okay(NULL, response);
}
static void set_active_cmd(char *cmd_parameter, char *response)
{
char *cmd;
int ret = 0;
char str[128];
printf("cmd cb_set_active is %s\n", cmd_parameter);
cmd = cmd_parameter;
if (check_lock() == 1) {
printf("device is locked, can not run this cmd.Please flashing unlock & flashing unlock_critical\n");
fastboot_fail("locked device", response);
return;
}
sprintf(str, "set_active_slot %s", cmd);
printf("command: %s\n", str);
ret = run_command(str, 0);
printf("ret = %d\n", ret);
if (ret == 0)
fastboot_okay(NULL, response);
else
fastboot_fail("set slot error", response);
}
#if !CONFIG_IS_ENABLED(NO_FASTBOOT_FLASHING)
#ifdef CONFIG_AVB2
static void try_unlock_dev(u64 rc)
{
#if defined(CONFIG_AML_ANTIROLLBACK) || defined(CONFIG_AML_AVB2_ANTIROLLBACK)
if (is_avb_arb_available()) {
if (avb_unlock()) {
if (-1 == rc) {
printf("unlocking device. Erasing data partition!\n");
run_command("store erase data 0 0", 0);
} else {
printf("unlocking device. Erasing userdata partition!\n");
run_command("store erase userdata 0 0", 0);
}
printf("unlocking device. Erasing metadata partition!\n");
run_command("store erase metadata 0 0", 0);
} else {
printf("unlock failed!\n");
}
return;
}
#endif
if (-1 == rc) {
printf("unlocking device. Erasing data partition!\n");
run_command("store erase data 0 0", 0);
} else {
printf("unlocking device. Erasing userdata partition!\n");
run_command("store erase userdata 0 0", 0);
}
printf("unlocking device. Erasing metadata partition!\n");
run_command("store erase metadata 0 0", 0);
}
static void try_lock_dev(u64 rc)
{
#if defined(CONFIG_AML_ANTIROLLBACK) || defined(CONFIG_AML_AVB2_ANTIROLLBACK)
if (is_avb_arb_available()) {
if (avb_lock()) {
if (-1 == rc) {
printf("locking device. Erasing data partition!\n");
run_command("store erase data 0 0", 0);
} else {
printf("locking device. Erasing userdata partition!\n");
run_command("store erase userdata 0 0", 0);
}
printf("locking device. Erasing metadata partition!\n");
run_command("store erase metadata 0 0", 0);
} else {
printf("lock failed!\n");
}
return;
}
#endif
if (-1 == rc) {
printf("locking device. Erasing data partition!\n");
run_command("store erase data 0 0", 0);
} else {
printf("locking device. Erasing userdata partition!\n");
run_command("store erase userdata 0 0", 0);
}
printf("locking device. Erasing metadata partition!\n");
run_command("store erase metadata 0 0", 0);
}
#endif
/**
* flashing() - lock/unlock.
*
* @cmd_parameter: Pointer to partition name
* @response: Pointer to fastboot response buffer
*
* Writes the previously downloaded image to the partition indicated by
* cmd_parameter. Writes to response.
*/
static void flashing(char *cmd_parameter, char *response)
{
char *cmd;
char* lock_s;
LockData_t info = {0};
char lock_d[LOCK_DATA_SIZE];
u64 rc;
#ifndef CONFIG_REFERENCE
if (IS_FEAT_BOOT_VERIFY()) {
printf("device is secure mode, can not run this cmd.\n");
fastboot_fail("secure boot device", response);
return;
}
#endif
lock_s = env_get("lock");
if (!lock_s) {
printf("lock state is NULL \n");
memcpy(lock_d, "10101000", 8);
lock_s = "10101000";
env_set("lock", "10101000");
#if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
run_command("update_env_part -p lock;", 0);
#else
run_command("defenv_reserv; saveenv;", 0);
#endif//#if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
} else {
printf("lock state: %s\n", lock_s);
if (strlen(lock_s) > 15)
strncpy(lock_d, lock_s, 15);
else
strncpy(lock_d, lock_s, strlen(lock_s));
}
info.version_major = (int)(lock_d[0] - '0');
info.version_minor = (int)(lock_d[1] - '0');
info.unlock_ability = (int)(lock_d[2] - '0');
info.lock_state = (int)(lock_d[4] - '0');
info.lock_critical_state = (int)(lock_d[5] - '0');
info.lock_bootloader = (int)(lock_d[6] - '0');
dump_lock_info(info);
printf("cb_flashing cmd_parameter: %s\n", cmd_parameter);
cmd = cmd_parameter;
strsep(&cmd, " ");
printf("cb_flashing: %s\n", cmd);
if (!cmd) {
printf("missing variable\n");
fastboot_fail("missing var", response);
return;
}
if (info.unlock_ability == 0)
info.unlock_ability = 1;
rc = store_part_size("userdata");
if (!strcmp_l1("unlock_critical", cmd)) {
info.lock_critical_state = 0;
fastboot_okay(NULL, response);
} else if (!strcmp_l1("lock_critical", cmd)) {
info.lock_critical_state = 1;
fastboot_okay(NULL, response);
} else if (!strcmp_l1("get_unlock_ability", cmd)) {
fastboot_okay(NULL, response);
} else if (!strcmp_l1("get_unlock_bootloader_nonce", cmd)) {
char str_num[8];
sprintf(str_num, "%d", info.lock_critical_state);
fastboot_response("OKAY", response, "%s", str_num);
} else if (!strcmp_l1("lock_bootloader", cmd)) {
info.lock_bootloader = 1;
} else if (!strcmp_l1("unlock", cmd)) {
#ifdef CONFIG_AVB2
#if defined(CONFIG_AML_ANTIROLLBACK) || defined(CONFIG_AML_AVB2_ANTIROLLBACK)
u32 rpmb_lock_state = 0;
bool ret = get_avb_lock_state(&rpmb_lock_state);
if (info.lock_state == 1 || (ret && rpmb_lock_state == 1))
try_unlock_dev(rc);
#else
if (info.lock_state == 1)
try_unlock_dev(rc);
#endif
#endif
info.lock_state = 0;
info.lock_critical_state = 0;
env_set("lock_state", "green");
fastboot_okay(NULL, response);
} else if (!strcmp_l1("lock", cmd)) {
#ifdef CONFIG_AVB2
#if defined(CONFIG_AML_ANTIROLLBACK) || defined(CONFIG_AML_AVB2_ANTIROLLBACK)
u32 rpmb_lock_state = 0;
bool ret = get_avb_lock_state(&rpmb_lock_state);
if (info.lock_state == 0 || (ret && rpmb_lock_state == 0))
try_lock_dev(rc);
#else
if (info.lock_state == 0)
try_lock_dev(rc);
#endif
#endif
info.lock_state = 1;
env_set("lock_state", "orange");
fastboot_okay(NULL, response);
} else {
printf("unknown variable: %s\n", cmd);
fastboot_response("FAIL", response, "%s", "Variable not implemented");
}
sprintf(lock_d, "%d%d%d0%d%d%d0", info.version_major, info.version_minor,
info.unlock_ability, info.lock_state, info.lock_critical_state,
info.lock_bootloader);
printf("lock_d state: %s\n", lock_d);
env_set("lock", lock_d);
#if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
run_command("update_env_part -p lock;", 0);
#else
run_command("defenv_reserv; saveenv;", 0);
#endif//#if CONFIG_IS_ENABLED(AML_UPDATE_ENV)
return;
}
#endif// #if !CONFIG_IS_ENABLED(NO_FASTBOOT_FLASHING)
#endif
#endif
/**
* run_ucmd() - Execute the UCmd command
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void __maybe_unused run_ucmd(char *cmd_parameter, char *response)
{
if (!cmd_parameter) {
pr_err("missing slot suffix\n");
fastboot_fail("missing command", response);
return;
}
if (run_command(cmd_parameter, 0))
fastboot_fail("", response);
else
fastboot_okay(NULL, response);
}
static char g_a_cmd_buff[64];
void fastboot_acmd_complete(void)
{
run_command(g_a_cmd_buff, 0);
}
/**
* run_acmd() - Execute the ACmd command
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void __maybe_unused run_acmd(char *cmd_parameter, char *response)
{
if (!cmd_parameter) {
pr_err("missing slot suffix\n");
fastboot_fail("missing command", response);
return;
}
if (strlen(cmd_parameter) > sizeof(g_a_cmd_buff)) {
pr_err("too long command\n");
fastboot_fail("too long command", response);
return;
}
strcpy(g_a_cmd_buff, cmd_parameter);
fastboot_okay(NULL, response);
}
/**
* reboot_bootloader() - Sets reboot bootloader flag.
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void reboot_bootloader(char *cmd_parameter, char *response)
{
#ifndef CONFIG_AMLOGIC_MODIFY
if (fastboot_set_reboot_flag(FASTBOOT_REBOOT_REASON_BOOTLOADER))
fastboot_fail("Cannot set reboot flag", response);
else
#endif
fastboot_okay(NULL, response);
}
/**
* reboot_fastbootd() - Sets reboot fastboot flag.
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void reboot_fastbootd(char *cmd_parameter, char *response)
{
#ifndef CONFIG_AMLOGIC_MODIFY
if (fastboot_set_reboot_flag(FASTBOOT_REBOOT_REASON_FASTBOOTD))
fastboot_fail("Cannot set fastboot flag", response);
else
#endif
fastboot_okay(NULL, response);
}
/**
* reboot_recovery() - Sets reboot recovery flag.
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void reboot_recovery(char *cmd_parameter, char *response)
{
#ifndef CONFIG_AMLOGIC_MODIFY
if (fastboot_set_reboot_flag(FASTBOOT_REBOOT_REASON_RECOVERY))
fastboot_fail("Cannot set recovery flag", response);
else
#endif
fastboot_okay(NULL, response);
}
#ifdef CONFIG_FASTBOOT_WRITING_CMD
/**
* oem_format() - Execute the OEM format command
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void __maybe_unused oem_format(char *cmd_parameter, char *response)
{
char cmdbuf[32];
const int mmc_dev = config_opt_enabled(CONFIG_FASTBOOT_FLASH_MMC,
CONFIG_FASTBOOT_FLASH_MMC_DEV, -1);
#ifdef CONFIG_AMLOGIC_MODIFY
#ifndef CONFIG_REFERENCE
if (IS_FEAT_BOOT_VERIFY()) {
printf("device is secure mode, can not run this cmd.\n");
fastboot_fail("secure boot device", response);
return;
}
#endif
if (check_lock() == 1) {
printf("device is locked, can not run this cmd.Please flashing unlock & flashing unlock_critical\n");
fastboot_fail("locked device", response);
return;
}
#endif
if (!env_get("partitions")) {
fastboot_fail("partitions not set", response);
} else {
sprintf(cmdbuf, "gpt write mmc %x $partitions", mmc_dev);
if (run_command(cmdbuf, 0))
fastboot_fail("", response);
else
fastboot_okay(NULL, response);
}
}
/**
* oem_partconf() - Execute the OEM partconf command
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void __maybe_unused oem_partconf(char *cmd_parameter, char *response)
{
char cmdbuf[32];
const int mmc_dev = config_opt_enabled(CONFIG_FASTBOOT_FLASH_MMC,
CONFIG_FASTBOOT_FLASH_MMC_DEV, -1);
if (!cmd_parameter) {
fastboot_fail("Expected command parameter", response);
return;
}
/* execute 'mmc partconfg' command with cmd_parameter arguments*/
snprintf(cmdbuf, sizeof(cmdbuf), "mmc partconf %x %s 0", mmc_dev, cmd_parameter);
printf("Execute: %s\n", cmdbuf);
if (run_command(cmdbuf, 0))
fastboot_fail("Cannot set oem partconf", response);
else
fastboot_okay(NULL, response);
}
/**
* oem_bootbus() - Execute the OEM bootbus command
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void __maybe_unused oem_bootbus(char *cmd_parameter, char *response)
{
char cmdbuf[32];
const int mmc_dev = config_opt_enabled(CONFIG_FASTBOOT_FLASH_MMC,
CONFIG_FASTBOOT_FLASH_MMC_DEV, -1);
if (!cmd_parameter) {
fastboot_fail("Expected command parameter", response);
return;
}
/* execute 'mmc bootbus' command with cmd_parameter arguments*/
snprintf(cmdbuf, sizeof(cmdbuf), "mmc bootbus %x %s", mmc_dev, cmd_parameter);
printf("Execute: %s\n", cmdbuf);
if (run_command(cmdbuf, 0))
fastboot_fail("Cannot set oem bootbus", response);
else
fastboot_okay(NULL, response);
}
#endif
/**
* oem_console() - Execute the OEM console command
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void __maybe_unused oem_console(char *cmd_parameter, char *response)
{
if (cmd_parameter)
console_in_puts(cmd_parameter);
if (console_record_isempty())
fastboot_fail("Empty console", response);
else
fastboot_response(FASTBOOT_MULTIRESPONSE_START, response, NULL);
}
/**
* fastboot_oem_board() - Execute the OEM board command. This is default
* weak implementation, which may be overwritten in board/ files.
*
* @cmd_parameter: Pointer to command parameter
* @data: Pointer to fastboot input buffer
* @size: Size of the fastboot input buffer
* @response: Pointer to fastboot response buffer
*/
void __weak fastboot_oem_board(char *cmd_parameter, void *data, u32 size, char *response)
{
fastboot_fail("oem board function not defined", response);
}
/**
* oem_board() - Execute the OEM board command
*
* @cmd_parameter: Pointer to command parameter
* @response: Pointer to fastboot response buffer
*/
static void __maybe_unused oem_board(char *cmd_parameter, char *response)
{
fastboot_oem_board(cmd_parameter, (void *)fastboot_buf_addr, image_size, response);
}