Linux Boot Logo - Revision history

JulienB: /* Create an image to suitable format (C include file) */

2018-06-21T09:28:18Z

‎Create an image to suitable format (C include file)

2018-01-15T16:12:31Z

2013-04-28T19:13:35Z

‎Deactivate remaining cursor

2013-04-28T15:07:51Z

‎Recompile & install kernel

2013-04-28T15:05:10Z

‎Create an image to suitable format (C include file)

2010-03-19T10:26:16Z

‎Deactivate remaining cursor

2010-03-19T10:24:37Z

‎Add your file to Linux build system

2010-03-19T09:57:40Z

‎Add your file to Linux build system

2010-03-19T09:56:43Z

‎Add your file to Linux build system

2010-03-19T09:56:13Z

‎Create an image to suitable format (C include file)

@@ Line 9: / Line 9: @@
 # install Netpbm package: <pre>$ sudo apt-get install netpbm </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 class="host">$ pnmnoraw my_boot_logo_224.ppm > my_boot_logo_ascii_224.ppm</pre>
+# convert it to PPM ASCII format (if ''pnmnoraw'' is not available on your distribution (ex: LUbuntu 17.10), try with ''pnmtoplainpnm''): <pre class="host">$ pnmnoraw my_boot_logo_224.ppm > my_boot_logo_ascii_224.ppm</pre>
 # get the armadeus envt variables: <pre class="host">$ make shell_env && source armadeus_env.sh</pre>
 # 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>

← Older revision		Revision as of 16:12, 15 January 2018
Line 70:		Line 70:
	* http://netpbm.sourceforge.net/doc/pnmquant.html		* http://netpbm.sourceforge.net/doc/pnmquant.html
	* [http://www-curri.u-strasbg.fr/documentation/calcul/doc/ProPack/3SP1/docs/man_html/man4/console_codes.4.html Linux console ESC sequences]		* [http://www-curri.u-strasbg.fr/documentation/calcul/doc/ProPack/3SP1/docs/man_html/man4/console_codes.4.html Linux console ESC sequences]
		+	* [[U-Boot_Splash_Screen\| U-Boot Splashscreen]]
		+
		+	[[Category: Boot Logo]]

@@ Line 54: / Line 54: @@
 ===Deactivate remaining cursor===
-It may be a remaining cursor at the left upper corner of the screen. Indeed virtual console cursor is activated by default in Linux. To deactivate it at boot stage, you will have to do:
+It may be a remaining cursor at the left upper corner of the screen. Indeed virtual console cursor is activated by default in Linux. To deactivate it at boot stage, you will have to:
 # Edit source file $ARMADEUS_LINUX_KERNEL/drivers/char/vt.c
 # Near line 1620, in function ''reset_terminal()'', change <source lang="c">vc->vc_deccm		= 1;</source> with <source lang="c">vc->vc_deccm		= 0;</source>

@@ Line 31: / Line 31: @@
 *Make sure that the "Armadeus Logo" option is selected in:
 <pre class="host">
-$ make linux26-menuconfig
+$ make linux-menuconfig
 </pre>
 <pre class="config">
@@ Line 41: / Line 41: @@
 *Then recompile your kernel:
 <pre class="host">
-  $ make linux26
+  $ make linux
 </pre>
 and install it on your board.

@@ Line 5: / Line 5: @@
 ===Create an image to suitable format (C include file)===
-# create a new image fitting the size of your LCD (320x240 or 480x272), with [http://www.gimp.org/ The Gimp] (for example).
+# create a new image fitting the size of your LCD (320x240, 480x272 or 800x480), with [http://www.gimp.org/ The Gimp] (for example).
 # save it in '''PPM RAW''' file format, let's say ''my_boot_logo.ppm''
 # install Netpbm package: <pre>$ sudo apt-get install netpbm </pre>

@@ Line 56: / Line 56: @@
 It may be a remaining cursor at the left upper corner of the screen. Indeed virtual console cursor is activated by default in Linux. To deactivate it at boot stage, you will have to do:
 # Edit source file $ARMADEUS_LINUX_KERNEL/drivers/char/vt.c
-# Near line 1600, in function ''reset_terminal()'', change <source lang="c">vc->vc_deccm		= 1;</source> with <source lang="c">vc->vc_deccm		= 0;</source>
+# Near line 1620, in function ''reset_terminal()'', change <source lang="c">vc->vc_deccm		= 1;</source> with <source lang="c">vc->vc_deccm		= 0;</source>
 # recompile and reflash your kernel
 After this modification, at any moment, you can get your blinking cursor back with:

@@ Line 17: / Line 17: @@
 # If you have overwritten ''$ARMADEUS_LINUX_DIR/drivers/video/logo/logo_armadeus_clut224.ppm'' with your own logo at the previous stage, then you can jump to [[#Recompile_.26_install_kernel|the next step]]; otherwise:
 # Edit ''$ARMADEUS_LINUX_DIR/drivers/video/logo/Makefile''
-# Add it your logo file name at line 16: <pre> obj-$(CONFIG_LOGO_ARMADEUS_CLUT224)     += logo_custom_clut224.o</pre>
+# Put it your logo file name at line 18 (replace current one): <pre> obj-$(CONFIG_LOGO_ARMADEUS_CLUT224)     += logo_custom_clut224.o</pre>
 # 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 39: <source lang="C">extern const struct linux_logo logo_custom_clut224;</source>
-# Add it your logo C struct name at line 110:
+# Put it your logo C struct name at line 122 (replace current one):
 <source lang="C">
 #ifdef CONFIG_LOGO_ARMADEUS_CLUT224

@@ Line 12: / Line 12: @@
 # get the armadeus envt variables: <pre class="host">$ make shell_env && source armadeus_env.sh</pre>
 # 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.
+# 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 step.
 ===Add your file to Linux build system===