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Re: Native port for Raspberry Pi

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Quote:

Theres still a long way to go before it can actually boot AROS from the SDcard but its starting to show life...


Impressive but... does it run Doom? :-p
I'm just kidding, thumbs up for the progress!

Posted on: 2013/1/6 9:01
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Re: Native port for Raspberry Pi

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When AROS starts to work on Pi, I will buy one :)

Posted on: 2013/1/6 9:31
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Re: Native port for Raspberry Pi

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Good work

Posted on: 2013/1/6 9:53
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Re: Native port for Raspberry Pi

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Quote:

Kalamatee wrote:
I currently have AROS booting natively to this point on RasPi -: http://i175.photobucket.com/albums/w1 ... e/IMG_20130106_162657.jpg

It uses code borrowed from our libbootconsole for the output, and generates 3 files to put on an SDCard (+ the normal AROS system files)

arosraspi.img = bootstrap, kernel.resource and exec.library
arosraspi.rom = all the other modules (dos.library, intuition.library, etc, etc)
config.txt = tells the RasPi to load the arosraspi.img kernel with arosraspi.rom as the initramdisk.

Theres still a long way to go before it can actually boot AROS from the SDcard but its starting to show life...


Nice! Will you be commiting them any time soon?

Looking at the screenshot are you going to use Doktors usb stack?

Posted on: 2013/1/6 10:34
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Re: Native port for Raspberry Pi

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I will commit the current W.I.P once i've cleaned up the framebuffer init code a little.

Posted on: 2013/1/6 16:09
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Re: Native port for Raspberry Pi

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How is the mailbox stuff implemented? With a library or with a hidd or what not?

Posted on: 2013/1/6 20:12
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Re: Native port for Raspberry Pi

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Ive commited the current W.I.P tree to svn. it can be built as follows ..

./configure --target=raspi-armhf
make arosboot
-raspi


That will generate arosraspi.img, arosraspi.rom and config.txt in bin/raspi-arm/AROS - so either copy just those files to a fat formatted SD card (with the firmware files on), or copy the whole contents of the AROS folder.

NB - if you have a Linux/other install, backup the existing config.txt first

Currently it boots upto the point of creating execs housekeeping tasks but fails allocating the stack (need to investigate why..)

Theres a long(ish) way to go before its usable since it still needs proper irq/exception support and scheduling code + usb driver support and a framebuffer gfx driver.

arosraspi.img contains the bootstrap (which has very basic mailbox code, framebuffer/gpio init, and console "emulation" via code pinched from our libbootconsole), kernel.resource, and exec.library

arosraspi.rom contains all the other components needed to boot AROS.

The config.txt file will tell the RasPI bootstrap to load our arosraspi kernel and ramdisk (rom).

edit: @ Dizzy - the bootstrap has minimal mailbox code, however I am planning on adding either a resource or library that driver/app code will use to access it (likewise for GPIO)

Posted on: 2013/1/8 18:19
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Re: Native port for Raspberry Pi

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Resources could be the right way for accessing spi, gpio etc. on the pin header. For the sdcard maybe sdcard.device? This is nice!

Posted on: 2013/1/9 3:08
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Re: Native port for Raspberry Pi

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Posted on: 2013/1/27 19:57
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Re: Native port for Raspberry Pi

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Posted on: 2013/1/28 2:54
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