Hi, And here is a hello world module example: http://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta-skeleton/recipes-kernel/hello-mod
Joël Esponde Honeywell | Sensing and Productivity Solutions De : yocto-boun...@yoctoproject.org [mailto:yocto-boun...@yoctoproject.org] De la part de Petter Mabäcker Envoyé : mardi 10 mai 2016 06:51 À : yocto@yoctoproject.org Objet : Re: [yocto] How to build a simple kernel modul 2016-05-09 17:06 skrev s.jar...@esa-grimma.de<mailto:s.jar...@esa-grimma.de>: Hej, I want to build a recipe for a simple GPIO Module. I found no tutorial at the documentation. What is the comon way to build a simple kernel module? The Makefile looks like: ######### obj-m += ledmodule.o SRC := $(shell pwd) all: modules modules: $(MAKE) -C $(KERNEL_SRC) M=$(SRC) modules modules_install: $(MAKE) -C $(KERNEL_SRC) M=$(SRC) modules_install clean: rm -rf *.o *.ko *.mod.c ######### The recipe contains: ######### SUMMARY = "ledmodule" SECTION = "" LICENSE = "CLOSED" inherit module SRC_URI = "file://ledmodule.c<file:///\\sek4_ledmodule.c\> \ file://Makefile<file:///\\Makefile\> \ " S = "${WORKDIR}/ledmodule-0.1" ######### Regards Stefan Jaritz Entwickler ------------------------------------------------------------ ESA Elektroschaltanlagen Grimma GmbH Broner Ring 30 04668 Grimma Telefon: +49 3437 9211 176 Telefax: +49 3437 9211 26 E-Mail: s.jar...@esa-grimma.de<mailto:s.jar...@esa-grimma.de> Internet: www.esa-grimma.de<http://www.esa-grimma.de> Geschäftsführer: Dipl.-Ing. Jörg Gaitzsch Jörg Reinker Sitz der Gesellschaft: Grimma Ust.-ID: DE 141784437 Amtsgericht: Leipzig, HRB 5159 Steuernummer: 238/108/00755 Diese E-Mail enthält vertrauliche und/oder rechtlich geschützte Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich erhalten haben, informieren Sie bitte sofort den Absender und löschen Sie diese Nachricht. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser Mail ist nicht gestattet. This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorized copying, disclosure or distribution of the material in this e-mail is strictly forbidden. Hi, There are actually some guides for this, see lab4 in: https://www.yoctoproject.org/sites/default/files/kernel-lab-2.1_0.pdf But to simply build a module using bitbake, you can just do: $ bitbake ledmodule then you will find your recipe and the module in the ./tmp/work/ structure (assuming you are not inheriting 'rm_work' in local.conf...). if you just want to compile it, you can run: $ bitbake ledmodule -c compile BR Petter Petter Mabäcker Technux <pet...@technux.se<mailto:pet...@technux.se>> www.technux.se<http://www.technux.se>
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