近期有部分客戶詢問飛凌嵌入式i.MX8M系列開發板如何添加或更改開機動畫，下文以OKMX8MM-C為例整理出如下思路，可供客戶嘗試。

一、下載 psplash源碼

1. forlinx@ubuntu:~$ git clone git://git.yoctoproject.org/psplash

2. Cloning into 'psplash'...

3. remote: Enumerating objects: 11, done.

4. remote: Counting objects: 100% (11/11), done.

5. remote: Compressing objects: 100% (11/11), done.

6. remote: Total 306 (delta 2), reused 0 (delta 0), pack-reused 295

7. Receiving objects: 100% (306/306), 128.73 KiB | 74.00 KiB/s, done.

8. Resolving deltas: 100% (192/192), done.

注：代碼可左右滑動，下同

2.下載成功后會在當前目錄下生成一個psplash文件夾，進入psplash文件夾

1. forlinx@ubuntu:~$ cd psplash/

2. forlinx@ubuntu:~/psplash$ ls

1. forlinx@ubuntu:~/psplash$ sudo apt-get install libgdk-pixbuf2.0-dev

2. [sudo] password for forlinx:

3. Reading package lists... Done

4. Building dependency tree

5. Reading state information... Done

6. The following package was automatically installed and is no longer required:

7. linux-hwe-5.4-headers-5.4.0-84

8. Use 'sudo apt autoremove' to remove it.

9. 【…】

10. forlinx@ubuntu:~/psplash$ sudo apt-get install build-essential libncurses5-dev

11. Reading package lists... Done

12. Building dependency tree

13. Reading state information... Done

14. 【…】

4.將想要替換的圖片復制到psplash文件夾中，此處用的是我們公司的logo，命名為logo-1024x600.png，外框照片命名為logo-bar.png。

二、制作logo

1. forlinx@ubuntu:~/psplash$ ./make-image-header.sh logo-1024x600.png POKY

2. forlinx@ubuntu:~/psplash$ ls

POKY參數只是一個變量，它會傳入到logo-1024x600-img.h文件里面，可以打開查看。

1. forlinx@ubuntu:~/psplash$ vi logo-1024x600-img.h

1. forlinx@ubuntu:~/psplash$ ./make-image-header.sh logo-bar.png BAR

2. forlinx@ubuntu:~/psplash$ ls

1. forlinx@ubuntu:~/psplash$ vi logo-bar-img.h

1. forlinx@ubuntu:~/psplash$ vi psplash.c

1. forlinx@ubuntu:~/psplash$ vi autogen.sh

內容如下：

1. #!/bin/bash

2. aclocal

3. autoheader

4. automake --add-missing

5. autoconf

制作完腳本后，賦予它可執行權限，再執行這個腳本。

1. forlinx@ubuntu:~/psplash$ chmod 777 autogen.sh

2. forlinx@ubuntu:~/psplash$ ./autogen.sh

3. configure.ac:7: installing './compile'

4. configure.ac:3: installing './install-sh'

5. configure.ac:3: installing './missing'

6. Makefile.am: installing './INSTALL'

7. Makefile.am: installing './depcomp'

5.修改Makefile.am，將psplash-poky-img.h修改成logo-1024x600-img.h，將psplash-bar-img.h修改成logo-bar-img.h。

1. forlinx@ubuntu:~/psplash$ vi Makefile.am

修改完后的Makefile.am如下圖所示。

1. forlinx@ubuntu:~/psplash$ . /opt/fsl-imx-xwayland/4.14-sumo/environment-setup-aarch64-poky-linux

7.環境變量使能后，就可以執行以下指令配置交叉編譯工具鏈。

1. forlinx@ubuntu:~/psplash$ ./configure --host=aarch64-poky-linux

2. configure: loading site script /opt/fsl-imx-xwayland/4.14-sumo/site-config-aarch64-poky-linux

3. checking for a BSD-compatible install... /usr/bin/install -c

4. checking whether build environment is sane... yes

5. checking for aarch64-poky-linux-strip... aarch64-poky-linux-strip

6. checking for a thread-safe mkdir -p... /bin/mkdir -p

7. checking for gawk... no

8. checking for mawk... mawk

9. checking whether make sets $(MAKE)... yes

10. checking whether make supports nested variables... yes

11. checking for style of include used by make... GNU

12. 【…】

8.執行make指令進行編譯。

1. forlinx@ubuntu:~/psplash$ make

2. cd . && /bin/bash /home/forlinx/psplash/missing automake-1.15 --gnu Makefile

3. cd . && /bin/bash ./config.status Makefile depfiles

4. config.status: creating Makefile

5. config.status: executing depfiles commands

6. ./make-image-header.sh base-images/psplash-bar.png BAR

7. make all-am

8. make[1]: Entering directory '/home/forlinx/psplash'

9. aarch64-poky-linux-gcc

10. --sysroot=/opt/fsl-imx-xwayland/

11. 4.14-sumo/sysroots/aarch64-poky-linux -DHAVE_CONFIG_H -I

12. . -g -Wall -Wextra

13. -D_GNU_SOURCE -DFONT_HEADER="radeon-font.h"

14. -DFONT_DEF=radeon_font -O2 -pipe -g

15. -feliminate-unused-debug-types

16. -MT psplash-psplash.o -MD -MP -MF

17. .deps/psplash-psplash.Tpo -c -o psplash-psplash.o

18. `test -f 'psplash.c' || echo './'`psplash.c

19. 【…】

編譯完成后會在源碼目錄下生成psplash和psplash-write文件。

三、替換出廠系統logo

1. okmx8mm login:root

2. Last login: Thu Jun 20 10:00:15 UTC 2019 on tty7

3. root@okmx8mm:~# cd /usr/bin/

4. root@okmx8mm:/usr/bin# ls psp*

5. psplash psplash-default psplash-write

6. root@okmx8mm:/usr/bin# rm psplash

7. root@okmx8mm:/usr/bin# rm psplash-write

8. root@okmx8mm:/usr/bin# cp /run/media/sda1/psplash ./

9. root@okmx8mm:/usr/bin# cp /run/media/sda1/psplash-write ./

10. root@okmx8mm:/usr/bin# sync

注意：目前我們的OKMX8MM-C做了開機連續顯示，所以默認沒有開機動畫，若客戶有需要可按上述方式進行添加。同時此方法在OKMX8MQ-C和OKMX8MP-C上也同樣適用。