Difference between revisions of "Linux Boot Logo"

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On this page we will explain you how to change the Boot Logo/Screen of Linux.
 
On this page we will explain you how to change the Boot Logo/Screen of Linux.
  
−
By default the following screen is displayed on you LCD:<br><br>
+
By default the following screen is displayed on your LCD:<br><br>
 
[[Image:Default_Boot.png]]
 
[[Image:Default_Boot.png]]
  
Line 8: Line 8:
 
# save it in '''PPM RAW''' file format, let's say ''my_boot_logo.ppm''
 
# save it in '''PPM RAW''' file format, let's say ''my_boot_logo.ppm''
 
# install Netpbm package: <pre>$ sudo apt-get install netpbm </pre>
 
# install Netpbm package: <pre>$ sudo apt-get install netpbm </pre>
−
# reduce the number of colors in your image to 224: <pre> $ ppmquant 224 my_boot_logo.ppm > my_boot_logo_224.ppm</pre>
+
# reduce the number of colors in your image to 224: <pre class="host">$ ppmquant 224 my_boot_logo.ppm > my_boot_logo_224.ppm</pre>
−
# convert it to PPM ASCII format: <pre> $ pnmnoraw my_boot_logo_224.ppm > my_boot_logo_ascii_224.ppm</pre>
+
# convert it to PPM ASCII format: <pre class="host">$ pnmnoraw my_boot_logo_224.ppm > my_boot_logo_ascii_224.ppm</pre>
−
# copy it to ''./buildroot/build_arm/linux-2.6.23.1/drivers/video/logo/'' directory '''with a name ending with _clut224.ppm''': <pre> $ cp my_boot_logo_ascii_224.ppm ./buildroot/build_arm/linux-2.6.23.1/drivers/video/logo/logo_custom_clut224.ppm</pre>
+
# get the armadeus envt variables: <pre class="host">$ make shell_env && source armadeus_env.sh</pre>
−
# Linux will automatically convert your .ppm to a .c file after you have added it to the build system with ''./buildroot/build_arm/linux-2.6.23.1/scripts/pnmtologo'' script
+
# copy the PPM to ''$ARMADEUS_LINUX_DIR/drivers/video/logo/'' directory '''with a name ending with _clut224.ppm''': <pre>$ cp my_boot_logo_ascii_224.ppm $ARMADEUS_LINUX_DIR/drivers/video/logo/logo_custom_clut224.ppm</pre>
 +
# Linux will automatically convert your .ppm to a .c file, after you have added it to the build system, using the ''$ARMADEUS_LINUX_DIR/scripts/pnmtologo'' script. This is the purpose of the next stage.
  
 
===Add your file to Linux build system===
 
===Add your file to Linux build system===
−
# If you have overwritten ''./buildroot/build_arm/linux-2.6.23.1/drivers/video/logo/logo_armadeus_clut224.ppm'' with your own logo at the previous stage, then you can jump the following steps; otherwise:
+
# If you have overwritten ''$ARMADEUS_LINUX_DIR/drivers/video/logo/logo_armadeus_clut224.ppm'' with your own logo at the previous stage, then you can jump to [[#Recompile_.26_install_kernel|the following stage]]; otherwise:
−
# Edit ''./buildroot/build_arm/linux-2.6.23.1/drivers/video/logo/Makefile''
+
# Edit ''$ARMADEUS_LINUX_DIR/drivers/video/logo/Makefile''
 
# Add it your logo file name at line 16: <pre> obj-$(CONFIG_LOGO_ARMADEUS_CLUT224)    += logo_custom_clut224.o</pre>
 
# Add it your logo file name at line 16: <pre> obj-$(CONFIG_LOGO_ARMADEUS_CLUT224)    += logo_custom_clut224.o</pre>
−
# Edit ''./buildroot/build_arm/linux-2.6.23.1/drivers/video/logo/logo.c''
+
# Edit ''$ARMADEUS_LINUX_DIR/drivers/video/logo/logo.c''
 
# Add it your logo C struct name at line 36: <source lang="C">extern const struct linux_logo logo_custom_clut224;</source>
 
# Add it your logo C struct name at line 36: <source lang="C">extern const struct linux_logo logo_custom_clut224;</source>
 
# Add it your logo C struct name at line 110:  
 
# Add it your logo C struct name at line 110:  

Revision as of 08:52, 2 July 2009

On this page we will explain you how to change the Boot Logo/Screen of Linux.

By default the following screen is displayed on your LCD:

Default Boot.png

Create an image to suitable format (C include file)

  1. create a new image fitting the size of your LCD (320x240 or 480x272), with The Gimp (for example).
  2. save it in PPM RAW file format, let's say my_boot_logo.ppm
  3. install Netpbm package: 
    $ sudo apt-get install netpbm
  4. reduce the number of colors in your image to 224: 
    $ ppmquant 224 my_boot_logo.ppm > my_boot_logo_224.ppm
  5. convert it to PPM ASCII format: 
    $ pnmnoraw my_boot_logo_224.ppm > my_boot_logo_ascii_224.ppm
  6. get the armadeus envt variables: 
    $ make shell_env && source armadeus_env.sh
  7. copy the PPM to $ARMADEUS_LINUX_DIR/drivers/video/logo/ directory with a name ending with _clut224.ppm: 
    $ cp my_boot_logo_ascii_224.ppm $ARMADEUS_LINUX_DIR/drivers/video/logo/logo_custom_clut224.ppm
  8. Linux will automatically convert your .ppm to a .c file, after you have added it to the build system, using the $ARMADEUS_LINUX_DIR/scripts/pnmtologo script. This is the purpose of the next stage.

Add your file to Linux build system

  1. If you have overwritten $ARMADEUS_LINUX_DIR/drivers/video/logo/logo_armadeus_clut224.ppm with your own logo at the previous stage, then you can jump to the following stage; otherwise:
  2. Edit $ARMADEUS_LINUX_DIR/drivers/video/logo/Makefile
  3. Add it your logo file name at line 16: 
     obj-$(CONFIG_LOGO_ARMADEUS_CLUT224)     += logo_custom_clut224.o
  4. Edit $ARMADEUS_LINUX_DIR/drivers/video/logo/logo.c
  5. Add it your logo C struct name at line 36: 
    extern const struct linux_logo logo_custom_clut224;
  6. Add it your logo C struct name at line 110: 
#ifdef CONFIG_LOGO_ARMADEUS_CLUT224 <br><br>        
    /* Armadeus Linux logo */
    logo = &logo_custom_clut224;
#endif

Recompile & install kernel

  • Then recompile your kernel:
$ make linux

and install it on your board.

  • Restart your board and you should see your image:

Custom Boot Logo with login.png

Remove Login from framebuffer terminal

  1. On your target, edit /etc/inittab
  2. Comment line 28: 
    #tty1::respawn:/sbin/getty 38400 tty1
  3. save it and restart your system

Links

Retrieved from "http://www.armadeus.org/wiki/index.php?title=Linux_Boot_Logo&oldid=6964"