rk3399_upgrade_tool
有用的连接:
Rockchip官方资料:
http://opensource.rock-chips.com/wiki_Main_Page
http://opensource.rock-chips.com/wiki_RK3399
http://opensource.rock-chips.com/wiki_Boot_option
http://opensource.rock-chips.com/wiki_U-Boot#Download_U-Boot
Firefly官方资料:
http://wiki.t-firefly.com/index.php/Firefly-RK3399
http://wiki.t-firefly.com/index.php/Firefly-RK3399/Flash_image
SDK
https://gitlab.com/TeeFirefly/FireNow-Nougat
https://gitlab.com/TeeFirefly/FireNow-Marshmallow
1、烧写工具 upgrade_tool
这里用到的主要是upgrade_tool,在按住recovery键开机会进入下载模式,此时运行这个工具,然后选择板子对应的设备号,就会进入命令行:
$sudo upgrade_tool
List of rockusb connected
DevNo=1 Vid=0x2207,Pid=0x330c,LocationID=307 Loader
Found 1 rockusb,Select input DevNo,Rescan press <R>,Quit press <Q>:1
---------------------Tool Usage ---------------------
Help: H
Quit: Q
Version: V
Clear Screen: CS
------------------Upgrade Command ------------------
ChooseDevice: CD
SwitchDevice: SD
UpgradeFirmware: UF <Firmware> [-noreset]
UpgradeLoader: UL <Loader> [-noreset]
DownloadImage: DI <-p|-b|-k|-s|-r|-m|-u|-t|-re image>
DownloadBoot: DB <Loader>
EraseFlash: EF <Loader|firmware> [DirectLBA]
PartitionList: PL
----------------Professional Command -----------------
TestDevice: TD
ResetDevice: RD [subcode]
ResetPipe: RP [pipe]
ReadCapability: RCB
ReadFlashID: RID
ReadFlashInfo: RFI
ReadChipInfo: RCI
ReadSector: RS <BeginSec> <SectorLen> [-decode] [File]
WriteSector: WS <BeginSec> <File>
ReadLBA: RL <BeginSec> <SectorLen> [File]
WriteLBA: WL <BeginSec> <File>
EraseBlock: EB <CS> <BeginBlock> <BlokcLen> [--Force]
-------------------------------------------------------
Rockusb>
我们可以利用这个工具完成很多操作。
2、使用upgrade_tool烧写uboot.img
阅读wiki:http://wiki.t-firefly.com/index.php/Firefly-RK3399/Flash_image 可以知道各个镜像在emmc中对应的地址:
从这里可以看到uboot被烧写到了emmc的0x2000处。
烧写方法1:
进入upgrade_tool的命令行模式,执行:
Rockusb>WL 0x2000 uboot.img
烧写方法2:
直接执行:
sudo upgrade_tool wl 0x2000 ./uboot.img
其中wl也可以写成WL
用upgrade_tool烧写其他分区的镜像的命令如下:
烧写统一固件 update.img:
sudo upgrade_tool uf update.img
烧写分区镜像:
sudo upgrade_tool di -b /path/to/boot.img
sudo upgrade_tool di -k /path/to/kernel.img
sudo upgrade_tool di -s /path/to/system.img
sudo upgrade_tool di -r /path/to/recovery.img
sudo upgrade_tool di -m /path/to/misc.img
sudo upgrade_tool di resource /path/to/resource.img
sudo upgrade_tool di -p paramater #烧写 parameter
sudo upgrade_tool ul bootloader.bin # 烧写 bootloader
sudo upgrade_tool di trust /path/to/trust.img #烧写 trust
di参数的格式: di <分区名称/缩写> <对应的镜像文件的路径信息>,具体分区的名字可以查看parameter.txt文件,比如上面用upgrade_tool烧写uboot也可以用:
sudo upgrate_tool di uboot /path/to/uboot.img
从parameter.txt中可以得到如下emmc的分区:
mtdparts=rk29xxnand:0x00002000@0x00002000(uboot),0x00002000@0x00004000(trust),0x00002000@0x00006000(misc),0x00008000@0x00008000(resource),0x0000C000@0x00010000(kernel),0x00010000@0x0001C000(boot),0x00010000@0x0002C000(recovery),0x00038000@0x0003C000(backup),0x00040000@0x00074000(cache),0x00300000@0x000B4000(system),0x00008000@0x003B4000(metadata),0x00002000@0x003BC000(baseparamer),-@0x003BE000(userdata)
uboot:对应的是uboot.img
trust:对应的是trust.img, 其中含有ATF以及休眠唤醒相关的文件
misc: misc 分区映像,对应misc.img,负责启动模式切换和急救模式的参数传递。
resource: 资源映像,对应的是resource.img,内含开机图片和内核的设备树信息。
kernel: 内核映像,对应的是kernel.img
boot: Android 的初始文件映像,即ramdisk,负责初始化并加载 system 分区,对应的是boot.img
recovery:急救模式映像,对应的是recovery.img
system: Android 的 system 分区映像,ext4 文件系统格式,对应的是system.img
3、在maskrom模式也可以使用upgrade_tool
4、audit2allow的使用
在kernel log里可以看到很多avc的log:
[ 143.450213] type=1400 audit(1358499630.406:133): avc: denied { read open } for pid=1812 comm="vm" path="/system/bin/sh" dev="mmcblk1p10" ino=399 scontext=u:r:sudaemon:s0 tcontext=u:object_r:shell_exec:s0 tclass=file permissive=1
[ 143.450484] type=1400 audit(1358499630.406:134): avc: denied { execute_no_trans } for pid=1812 comm="vm" path="/system/bin/sh" dev="mmcblk1p10" ino=399 scontext=u:r:sudaemon:s0 tcontext=u:object_r:shell_exec:s0 tclass=file permissive=1
[ 143.450738] type=1400 audit(1358499630.410:135): avc: denied { getattr } for pid=1812 comm="sh" path="/system/bin/sh" dev="mmcblk1p10" ino=399 scontext=u:r:sudaemon:s0 tcontext=u:object_r:shell_exec:s0 tclass=file permissive=1
[ 143.462718] type=1400 audit(1358499630.423:136): avc: denied { getattr } for pid=1812 comm="sh" path="/dev/pts/0" dev="devpts" ino=3 scontext=u:r:sudaemon:s0 tcontext=u:object_r:devpts:s0 tclass=chr_file permissive=1
[ 143.463075] type=1400 audit(1358499630.423:137): avc: denied { ioctl } for pid=1812 comm="sh" path="/dev/pts/0" dev="devpts" ino=3 ioctlcmd=5401 scontext=u:r:sudaemon:s0 tcontext=u:object_r:devpts:s0 tclass=chr_file permissive=1
可以用下面的办法将上面的这些语句转换为类似下面的selinux的语法:
allow adbd graphics_device:dir { search };
allow adbd surfaceflinger:fifo_file rw_file_perms;
首先将要转换的avc信息保存到一个临时文件中,比如tmp.txt
然后用adb pull将板子上的sepolicy文件拷贝出来:adb pull /sepolicy
设置环境变量ANDROID_BUILD_TOP为Android源码的路径:export ANDROID_BUILD_TOP=/home/pengdonglin/disk_ext/Firefly/RK3399/sdk_7_1_1
然后Android源码中提供的audit2allow工具进行转换:./external/selinux/prebuilts/bin/audit2allow -p ~/logcat/rk3399/selinux/sepolicy -i ~/logcat/rk3399/selinux/tmp.txt
5、fastboot的使用
参考:http://opensource.rock-chips.com/wiki_Fastboot
使用方法:
Rockchip use 0x2207 as its USB vendor ID. This VID is not in Google's original fastboot code. So every fastboot command have to use "-i" parameter to specify vid to fastboot.
To list all the Rockchip devices attached to your USB port in fastboot mode.
进入fastboot:
adb reboot fastboot
在uboot的log中可以看到:
#Boot ver: 2017-12-30#1.06
empty serial no.
reboot normal.
查看:
fastboot -i 0x2207 devices
0123456789 fastboot
6、用命令进入下载模式
在Android系统下进入:
adb reboot bootloader
在fastboot模式下进入:
fastboot reboot-bootloader
可以在uboot的log中看到:
#Boot ver: 2017-12-30#1.06
empty serial no.
reboot rockusb.
此时我们可以适用upgrade_tool进行镜像的烧写等等。
7、unlock设备
在fastboot模式下执行下面的命令:
先执行 fastboot -i 0x2207 oem unlock
然后在5s内执行 fastboot -i 0x2207 oem unlock_accept
8、使用fastboot启动内核
在进行开发时,为了延长flash的寿命,每次改完内核后,没有必要每次都烧进emmc。fastboot提供了boot命令。
默认的uboot已经支持fastboot了,但是在用fastboot boot启动新的kernel时提示如下错误:
creating boot image...
creating boot image - 18911232 bytes
downloading 'boot.img'...
FAILED (remote: not support "-u" option)
finished. total time: 0.000s
通过分析uboot代码发现,fastboot每次只能接受16MB的数据,而我们的kernel.img为19MB,所以需要修改uboot代码:
diff --git a/u-boot/include/configs/rk_default_config.h b/u-boot/include/configs/rk_default_config.h
index d408d05..849b8ca 100755
--- a/u-boot/include/configs/rk_default_config.h
+++ b/u-boot/include/configs/rk_default_config.h
@@ -256,7 +256,7 @@
* CONFIG_FASTBOOT_TRANSFER_BUFFER_SIZE should be larger than our boot/recovery image size.
*/
#define CONFIG_FASTBOOT_TRANSFER_BUFFER_SIZE CONFIG_RK_BOOT_BUFFER_SIZE
-#define CONFIG_FASTBOOT_TRANSFER_BUFFER_SIZE_EACH (CONFIG_FASTBOOT_TRANSFER_BUFFER_SIZE >> 1)
+#define CONFIG_FASTBOOT_TRANSFER_BUFFER_SIZE_EACH (CONFIG_FASTBOOT_TRANSFER_BUFFER_SIZE)
从新编译uboot,将生成的uboot.img烧写到emmc中,重新启动。
然后用下面的命令:
adb reboot fastboot
fastboot -i 0x2207 boot /home/pengdonglin/disk_ext/Firefly/RK3399/sdk_7_1_1/kernel/kernel.img