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Using C++11 by default
by Norman Feske 17 Sep '13

17 Sep '13

Hello, I would like to go with the times and switch Genode to use C++11 by default. This will enable us to solve a number of problems in a more elegant way, e.g., by using variadic templates for the RPC framework, we can possibly get rid of the current limit of the number of RPC functions supported by the 'GENODE_RPC_INTEFACE' declarations. Are there any objections from Genode users? For example, is anyone of you still using a custom tool chain that does not support C++11? If no one disagrees, I would go forward and add '-std=gnu++11' as default argument to g++. Regards 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

3 5

Lwip Server Run
by Venkada Ramanujam 09 Sep '13

09 Sep '13

when i giving *$* *make run/lwip_lx* i got the following. I trying to run http_srv file in linux platform. if any error, tell me what should be change and what are the things need to run the server using lwip. checking library dependencies... Library-description file cxx.mk is missing Skip library syscall because it requires x86 Library-description file startup.mk is missing Skip target drivers/nic/lan9118 because it requires lan9118 Library-description file platform.mk is missing Skip target test/lwip/http_srv because it requires libc_support_for_your_target_platform make[1]: Leaving directory `/home/administrator/genode1/build.lx' genode build completed spawn ./core int main(): --- create local services --- int main(): --- start init --- int main(): transferred 4095 MB to init int main(): --- init created, waiting for exit condition --- [init] parent provides [init] service "ROM" [init] service "RAM" [init] service "IRQ" [init] service "IO_MEM" [init] service "IO_PORT" [init] service "CAP" [init] service "PD" [init] service "RM" [init] service "CPU" [init] service "LOG" [init] service "SIGNAL" [init] child "timer" [init] RAM quota: 360448 [init] ELF binary: timer [init] priority: 0 [init] provides service Timer [init] child "nic_drv" [init] RAM quota: 1933312 [init] ELF binary: nic_drv [init] priority: 0 [init] provides service Nic [init] Could not open file "test-lwip_httpsrv" [init -> nic_drv] --- Linux/tap NIC driver started --- [init] child "nic_drv" announces service "Nic" [init] child "timer" announces service "Timer" With Reg, VENKADA RAMANUJAM.S 9578520238

2 1

Bringing up Genode run/nested_init on a Beaglebone.
by Bob Stewart 31 Aug '13

31 Aug '13

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. 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: . . . *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

5 8

Replacing lwip Device Driver
by Penchal Reddy 27 Aug '13

27 Aug '13

Hi All, I am working on Genode. And i want to change the lwip driver code. If i change the lwip code, then how can i replace the lwip driver with new one ?? Is there any document regarding this ?? Thanks in advance. Regards PR

3 2

Genode Source building
by Venkada Ramanujam 23 Aug '13

23 Aug '13

Hi, Complete building and installation for Genode source code is not available. So can i follow below steps. will it work ? 1.Extracting available genode.iso 2.compile only particular code (ex:lwip,nic and netperf for improving tcp/ip performance). 3.replace with existing files (lwip,nic and netperf) with extracted directory (at step 1). 4.again make iso for that directory 5.run with qemu. is it correct or not? or any other procedure for building source and creating iso for genode source. With Reg, VENKADA RAMANUJAM.S 9578520238

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Regarding enabling USB 3.0 in Exynos 5 SoC
by jaeyong yoo 22 Aug '13

22 Aug '13

Hello Genode, I saw that you have successfully enable USB 3.0 in Exynos 5 SoC (Arndale board): http://genode.org/documentation/release-notes/13.05 I'm trying to enable USB 3.0 in native Linux on arndale board and having some trouble. I'm using recent branch of Linux 3.11 kernel with u-boot in Linaro for arndale board. After booting, I can see xhci module is properly installed, but plugging the usb network dongle to USB 3.0 port does not generate any interrupts. Very much appreciate any hints or references for enabling USB 3.0 in native Linux. By any chance, do we have to change some parts in u-boot for power up the USB 3.0? Thanks, Jaeyong

2 1

MMIO generation tool
by Martin Stein 20 Aug '13

20 Aug '13

To ease the creation of drivers for Genode I've written a shell script that takes simple Register specs as input and generates appropriate MMIO-framework declarations as output. As an example this input: r M0_grp0_span 28 32 b Span 0 15 t M0_grp0_xy 32 b Y 0 11 b X 16 11 x M0_grp0_sxy M0_grp0_xy 2c x M0_grp0_dxy M0_grp0_xy 34 r M0_grp0_wh 30 32 b Height 0 11 b V_scale 12 2 b Width 16 11 b H_scale 28 2 Would result in this output: struct M0_grp0_span : Register<0x28, 32> { struct Span : Bitfield<0, 15> { }; }; template <unsigned OFF> struct M0_grp0_xy : Register<OFF, 32> { struct Y : Register<OFF, 32>::template Bitfield<0, 11> { }; struct X : Register<OFF, 32>::template Bitfield<16, 11> { }; }; struct M0_grp0_sxy : M0_grp0_xy<0x2c> { }; struct M0_grp0_dxy : M0_grp0_xy<0x34> { }; struct M0_grp0_wh : Register<0x30, 32> { struct Height : Bitfield<0, 11> { }; struct V_scale : Bitfield<12, 2> { }; struct Width : Bitfield<16, 11> { }; struct H_scale : Bitfield<28, 2> { }; }; It fastens my workflow a lot when adding many new registers at a time. The tool can be found as 'tool/mmio' in my branch https://github.com/m-stein/genode/tree/tool_mmio. This branch is not meant to be merged into genodelabs/master and is updated manually. To print the tools manual call the tool without an argument. If you have further questions don't hesitate to ask me. Martin

1 0

Genode Installation details
by Venkada Ramanujam 16 Aug '13

16 Aug '13

Hi, I did following steps, cd <genode-dir> ./tool/create_builddir linux_x86 BUILD_DIR=build.lx cd build.lx make run/demo One "Launchpad" window is appeared. After that what can i do. How can i build complete source codes and create iso image for that genode source code and also installation. can any one tell me steps if anymore there. With Reg, VENKADA RAMANUJAM.S 9578520238

1 0

Announcement: Genode OS Framework version 13.08 released
by Christian Helmuth 15 Aug '13

15 Aug '13

We are proud to announce the fifth-anniversary release of the Genode OS Framework. This version brings three major features: Qt5 support, enhanced support for multi-processor platforms, and light-weight event tracing build into the base framework. Short overview of the current release: - Qt5 version 5.1 - Enhanced support for multi-processor systems, i.e., on NOVA - New light-weight event tracing facility - Low-level OS infrastructure - Networking optimizations - Improved POSIX thread support - New device drivers for Exynos-5 - SATA 3.0 - CPU frequency scaling and power gating - Runtime environments - Improved Seoul (aka Vancouver) VMM for disk and console - L4Linux updated to version 3.9 - Platforms - Update of Fiasco.OC to revision r56 - Build system and tools - Integrity checks for downloaded 3rd-party software More detailed information is available in the release documentation: http://genode.org/documentation/release-notes/13.08 Kind regards and happy hacking -- Christian Helmuth Genode Labs http://www.genode-labs.com/ · http://genode.org/ https://twitter.com/GenodeLabs · /ˈdʒiː.nəʊd/ Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

1 0

hw kernel trace
by Martin Stein 15 Aug '13

15 Aug '13

Although this feature is not meant to be pushed onto genodelabs/master, i've observed that it's often useful for me to have some tools in base-hw that allow for typical tracing anytime the kernel is called. Thus i started a branch https://github.com/m-stein/genode/tree/hw_kernel_trace that provides such tools in form of simple commits, wich one can cherry-pick to its current issue branch just in case. I'll try to keep this branch up-to-date with genodelabs/master manually.

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