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2349 discussions

AHCI/part_blk
by Nobody III 27 Dec '14

27 Dec '14

I originally thought that the AHCI driver wasn't working, but my issue may be with the part_blk driver. The part_blk driver never starts, but AHCI announces service "Block". Any help?

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Genode and GRUB2 on real PC hardware
by "Christian Böhme" 23 Dec '14

23 Dec '14

Hi all, yesterday seemed like a good day to give Genode another go, but this time for real, meaning not on QEMU but real hardware. Since the former try worked out-of-the-box last time, my assumption was that the same should apply to the latter. Alas, I failed horribly. Here's what I did (assume CROSS_DEV_PREFIX is appropriately set): make -C ⟨genode-dir⟩/repos/base-foc prepare make -C ⟨genode-dir⟩/repos/libports prepare PKG=x86emu ⟨genode-dir⟩/tool/create_builddir foc_x86_64 BUILD_DIR=⟨demo-build-dir⟩ uncommented REPOSITORIES += $(GENODE_DIR)/repos/libports in ⟨demo-build-dir⟩/etc/build.conf make -C ⟨demo-build-dir⟩ kernel make -C ⟨demo-build-dir⟩ run/demo Since I have no QEMU around and no immediate plans to install it, the latter will fail, of course. Then mkdir /boot/genode && cd /boot/genode cp ⟨demo-build-dir⟩/var/run/demo/genode/* . cp ⟨demo-build-dir⟩/var/run/demo/fiasco/* . cp ⟨demo-build-dir⟩/var/run/demo/boot/bender . where /boot is my grub's boot directory. Being on a vanilla Debian, the /boot/grub/grub.cfg can be extended by providing a /boot/grub/custom.cfg, which I derived from ⟨demo-build-dir⟩/var/run/demo/boot/grub/menu.lst Please see the attachment for its contents. Now, when booting, the actual module loading process seems to succeed (at least GRUB did not complain), but core ended up spouting ROM module "init" not present while attempting to construct object rom of type Rom_connection at ⟨genode-dir⟩/repos/base/src/core/main.cc:259. To me this implies that init isn't actually loaded. Anyone seen this before? Everything else being okay, I suspect there's something wrong with GRUB. Oh, and what's this ⟨demo-build-dir⟩/var/run/demo/boot/bender doing? It's a 32 bit executable even though anything else is 64 bit. Why is that? Cheers, Christian

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Rpc argument for a binary array?
by unknown＠example.com 22 Dec '14

22 Dec '14

Hi, Is there a mechanism for passing an array of 8_bit register values in RPC calls when using base-hw? I see the Rpc_in_buffer class but that's designed for string arrays not arbitrary binary value arrays. The use case is for implementing an I2C server which has multiple clients each of which implements a specific device on the I2C bus. I2C supports any length of data transfer but practically I don't see more than a dozen bytes being transferred in one contiguous block. I'm using 14.11. Thanks, Bob Stewart Sent from my android device.

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31C3
by Johannes Schlatow 19 Dec '14

19 Dec '14

Hey guys (particularly the German folks), just out of curiosity: Will anyone visit the 31C3 in Hamburg this year? Maybe we could have a chat then. Cheers Johannes

1 0

Adding Zynq platform support to base-hw
by Johannes Schlatow 19 Dec '14

19 Dec '14

Hey, I just started adding support for the Zynq SoC to base-hw (see [1]). As I don't have any Zynq hardware available yet, I tried running this on QEMU 2.1.2; I compiled the run/hw_info target. After applying some printf debugging ;), I figured out that the program dies (i.e. QEMU freezes) during kernel initialisation in init_virt_kernel(). I therefore tried attaching gdb to QEMU's internal gdb server, however, it seems to ignore my breakpoints. Hence my question: Do you guys have any experience with low-level/kernel debugging on QEMU? Maybe I am missing something or QEMU is just weird? [1] https://github.com/ValiValpas/genode/commit/4e375384d635d06626f0b226ac14e21… Cheers Johannes

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Problem with making build.lx file
by Rahul Jain 19 Dec '14

19 Dec '14

<https://github.com/genodelabs/genode/issues/62#issuecomment-67629680> Hii, I am trying to build genode for my beaglebone black. I have a problem .. as i am following the getting_started guide to compile toolchain i gave: ./create_builddir linux_arm BUILD_DIR=build.lx then ./build.lx/make run\demo it makes it for x86 and gives me the error for that platform: /bin/bash: /usr/local/genode-gcc/bin/genode-x86-g++: No such file or directory dirname: missing operand Try 'dirname --help' for more information. checking library dependencies... /bin/bash: /usr/local/genode-gcc/bin/genode-x86-g++: No such file or directory dirname: missing operand Try 'dirname --help' for more information. /bin/bash: /usr/local/genode-gcc/bin/genode-x86-g++: No such file or directory dirname: missing operand Try 'dirname --help' for more information. Skip target app/xvfb because it requires x11 xtest xdamage Skip target drivers/ahci/exynos5/bench because it requires exynos5 Skip target drivers/framebuffer/exynos5 because it requires exynos5 Skip target drivers/framebuffer/imx53 because it requires imx53 Skip target drivers/framebuffer/omap4 because it requires omap4 Skip target drivers/framebuffer/pl11x/pbxa9 because it requires pl11x platform_pbxa9 Skip target drivers/framebuffer/pl11x/vea9x4 because it requires pl11x platform_vea9x4 Skip target drivers/framebuffer/pl11x/vpb926 because it requires pl11x platform_vpb926 Skip target drivers/framebuffer/rpi because it requires platform_rpi Skip target drivers/gpio/imx53 because it requires imx53 Skip target drivers/gpio/omap4 because it requires omap4 Skip target drivers/input/imx53 because it requires imx53 Skip target drivers/input/ps2/pl050 because it requires pl050 Skip target drivers/input/ps2/x86 because it requires ps2 Skip target drivers/nic/lan9118 because it requires lan9118 Skip target drivers/pci/device_pd because it requires nova Skip target drivers/platform/arndale because it requires platform_arndale Skip target drivers/platform/gta01 because it requires platform_gta01 Skip target drivers/platform/imx53 because it requires imx53 Skip target drivers/platform/rpi because it requires platform_rpi Skip target drivers/sd_card/exynos5 because it requires exynos5 Skip target drivers/sd_card/omap4/bench because it requires omap4 Skip target drivers/sd_card/omap4 because it requires omap4 Skip target drivers/sd_card/pl180 because it requires pl180 Skip target drivers/uart/exynos5 because it requires exynos5 Skip target drivers/uart/kdb/fiasco because it requires fiasco Skip target drivers/uart/kdb/foc because it requires foc Skip target drivers/uart/omap4 because it requires omap4 Skip target drivers/uart/pl011 because it requires pl011 Skip library foc_cli_monitor because it requires foc Skip library xev_track because it requires x11 xdamage Skip target server/tz_vmm/imx53 because it requires trustzone platform_imx53 Skip target server/tz_vmm/vea9x4 because it requires trustzone platform_vea9x4 Skip target test/ada because it requires gnat Skip target test/cpufreq because it requires platform_arndale Skip target test/gpio_drv because it requires omap4 Skip target test/rm_nested because it requires experimental Skip target test/xev_track because it requires host x11 xtest xdamage /bin/bash: /usr/local/genode-gcc/bin/genode-x86-g++: No such file or directory dirname: missing operand Try 'dirname --help' for more information. Library platform MERGE platform.lib.a /bin/bash: /usr/local/genode-gcc/bin/genode-x86-ar: No such file or directory make[2]: *** [platform.lib.a] Error 127 make[1]: *** [platform.lib] Error 2 make: *** [gen_deps_and_build_targets] Error 2 . how to make changes in the path in Make file i didn't got any thing.. Please help -- Rahul jain

2 1

Genode at the "New directions in Operating Systems" conference
by Norman Feske 18 Dec '14

18 Dec '14

Hello, thanks to Justin Cormack and his team for making the video recordings of all the talks of their conference available. The talks (slides + videos) are available at the conference website: http://operatingsystems.io I had the pleasure to present Genode there. Here is a direct link to my talk: https://www.youtube.com/watch?v=Nr2h9eigpqA Cheers Norman -- Dr.-Ing. Norman Feske Genode Labs http://www.genode-labs.com · http://genode.org Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

1 0

USB Armory - an interesting platform for Genode
by Norman Feske 18 Dec '14

18 Dec '14

Hello, I just was made aware of a crowd-funding campaign for an open hardware platform called USB Armory, which would provide an intriguing playground for Genode: https://www.crowdsupply.com/inverse-path/usb-armory In short, USB Armory is an i.MX53-based computer in the form factor of a USB stick. It is meant for security applications such as VPNs, authentication tokens, and encrypted storage. It is based on the FreeScale i.MX53 SoC, which it is well supported by Genode, i.e., Genode can be used as secure-world OS besides Linux running in the normal world. Personally, I find the project interesting because it strives to be an 100% open platform, which includes hardware, software, and firmware. Hence, at Genode Labs, we already started investigating possible Genode-based applications for it. As of now, the campaign has reached about 55% of the funding goal. If you are interested in such a platform, please consider joining in to make it happen. Cheers Norman -- Dr.-Ing. Norman Feske Genode Labs http://www.genode-labs.com · http://genode.org Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

2 1

Linux Kernel For Normal World
by chirag garg 18 Dec '14

18 Dec '14

Hi I want to run Linux Kernel in the Normal World on the top of Genode base-hw kernel for imx6 platform. Can you provide some guidance how to start doing this ? Thanks in advance, Regards Chirag

1 0

AHCI
by Nobody III 16 Dec '14

16 Dec '14

Is the Genode AHCI driver supposed to announce service "Block"? I've seen the AHCI test script, but it fails. Is there any scenario in which the driver is known to work?

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