Bringing up Genode run/nested_init on a Beaglebone.

[Bob Stewart]

On 08/25/2013 02:15 PM, Nikolay Golikov wrote:
>
>
>
> 2013/8/25 Alexander Tarasikov <alexander.tarasikov at ...9... 
> <mailto:alexander.tarasikov at ...9...>>
>
>
>
>
>     On Sun, Aug 25, 2013 at 8:18 PM, Bob Stewart
>     <robjsstewart at ...196... <mailto:robjsstewart at ...196...>> wrote:
>
>         I'm try to get a basic Genode setup working on a Beaglebone
>         Black (TI AM335x processor). I'm using a version of u-boot
>         specifically built for the Beaglebone Black from Robert
>         Nelson's eewiki pages. The only modification I made was to
>         allow for elf file commands.
>
>
>     I would suggest taking a look at github.com/ksys-labs
>     <http://github.com/ksys-labs>, we should have a tree that supports
>     Omap3
>
>
> Also you can look at https://github.com/decaprox/genode/tree/am33xx
> Add "uboot" string to etc/specs.conf file in your build directory for 
> build uimage
>
>
>         Carefully following how the PandaBoard and the imx53 platforms
>         were build I successfully built from base-hw an elf image for
>         run/nested_init and loaded that onto an SDCard which contained
>         the two stages of u-boot. (Previously, I had succesfuly built
>         a helloworld test version of Fiasco.OC and successfully
>         manually booted it from an SDCard with the same MLO and
>         u-boot.img files. So the basic process of booting an elf image
>         file works.)
>
>         The elf image is built to load and 0x81000000 with u-boot
>         using the space from start of SDRAM at 0x80000000. The elf
>         file header has an entry point address of 0x81004DC0.
>         Booting the Beagleboard into u-boot from the SDCard, manually
>         loading the elf image file to the load address above, and
>         giving it a"go" command to the entry point address, I get an
>         "application terminated" message as shown below in the console
>         output through minicom:
>         .
>
>
>     I would suppose you are expected to do a "bootelf 0x81000000" to
>     let u-boot properly align the ELF sections. Otherwise, it should
>     be possible to add the "u-boot" to build.conf flags to build an
>     uImage. Either way, what I did was to take the image.bin.gz,
>     ungzip it and substract 0x8000 bytes from the address. So, I
>     loaded it to the address "0x80ff8000". Then, you can either "go"
>     or "bootz" (if your u-boot supports it).
>     Take a look around here for details
>     http://allsoftwaresucks.blogspot.ru/2013/05/porting-genode-to-commercial-hardware.html
>
>         .
>         .
>         *U-Boot# load mmc 0 0x81000000 image.elf**
>         **reading image.elf**
>         **604700 bytes read in 73 ms (7.9 MiB/s)**
>         **U-Boot# go 0x81004dc0**
>         **## Starting application at 0x81004DC0 ...**
>         **## Application terminated, rc = 0x8108C004**
>         **U-Boot# *
>
>         At termination, the output above shows rc to be pointed at 4
>         bytes beyond the start of the bss section of the image.
>
>         I would have expected to see at least some Genode core
>         debugging messages, at least. Is core not being executed at
>         the entry point?
>
>         I believe I have the Board_base stucture and cores cpu, pic,
>         platform_support, timer and tlb files correctly set up for the
>         AM335x.
>
>         Thank you for any help you can provide.
>
>             Bob Stewart
>
>
>
>
>         ------------------------------------------------------------------------------
>         Introducing Performance Central, a new site from SourceForge and
>         AppDynamics. Performance Central is your source for news,
>         insights,
>         analysis and resources for efficient Application Performance
>         Management.
>         Visit us today!
>         http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk
>         _______________________________________________
>         Genode-main mailing list
>         Genode-main at lists.sourceforge.net
>         <mailto:Genode-main at lists.sourceforge.net>
>         https://lists.sourceforge.net/lists/listinfo/genode-main
>
>
>
>
>     -- 
>     Regards, Alexander
>
>     ------------------------------------------------------------------------------
>     Introducing Performance Central, a new site from SourceForge and
>     AppDynamics. Performance Central is your source for news, insights,
>     analysis and resources for efficient Application Performance
>     Management.
>     Visit us today!
>     http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk
>     _______________________________________________
>     Genode-main mailing list
>     Genode-main at lists.sourceforge.net
>     <mailto:Genode-main at lists.sourceforge.net>
>     https://lists.sourceforge.net/lists/listinfo/genode-main
>
>
>
>
> ------------------------------------------------------------------------------
> Introducing Performance Central, a new site from SourceForge and
> AppDynamics. Performance Central is your source for news, insights,
> analysis and resources for efficient Application Performance Management.
> Visit us today!
> http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk
>
> Thanks for the reply, Nikolay. I appreciate the link to the am33xx 
> tree. I try the uImage and see if that works. I better try to 
> understand what that 0x8000 offset adjustment Alexander mentioned is 
> doing as I do see why the bootelf won't work.
>
Bob.
>
> _______________________________________________
> Genode-main mailing list
> Genode-main at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/genode-main

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.genode.org/pipermail/users/attachments/20130825/44c07279/attachment.html>