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LDSO main()
by Sam Kerr 15 Mar '11

15 Mar '11

Hello all, I am trying to do some work with dynamic linking and saw there is an LDSO folder with a main() function. I would like to try running this on top of Pistachio. However, I cannot get the main() function to run. I have tried just including the module in the grub.conf file to no avail. Does anyone have some guidance on how to boot the LDSO test function? -Sam Kerr

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Problems with socket()
by Александр Домо 15 Mar '11

15 Mar '11

Hello! I'm writing a network application using libc, lwip, libc_lwip, and libc_lwip_nic_dhcp. But when I call socket(SOCK_STREAM), it hangs somewhere in lwip_socket(). Maybe it has something to do with the lwip tcp thread, but I'm not sure. What else should I check for? Thanks.

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64bit Genode and Fiasco.OC
by Daniel Waddington 14 Mar '11

14 Mar '11

Hi, Is Genode+Fiasco.OC x86_64 known not to work? After various fiddling about with include files, and -m64 flags I got as far as the following.. Thanks Daniel Program drivers/framebuffer/vesa/vesa_drv COMPILE decode.o COMPILE fpu.o COMPILE framebuffer.o COMPILE hw_emul.o COMPILE ifx86emu.o COMPILE main.o COMPILE ops.o COMPILE ops2.o COMPILE prim_ops.o COMPILE sys.o LINK vesa_drv ifx86emu.o: In function `unsigned int inx<unsigned int>(unsigned short)': ifx86emu.cc:(.text+0x4c8): undefined reference to `bool hw_emul_handle_port_read<unsigned int>(unsigned short, unsigned int*)' ifx86emu.o: In function `void outx<unsigned int>(unsigned short, unsigned int)': ifx86emu.cc:(.text+0x649): undefined reference to `bool hw_emul_handle_port_write<unsigned int>(unsigned short, unsigned int)' collect2: ld returned 1 exit status make[2]: *** [vesa_drv] Error 1 make[1]: *** [vesa_drv.prg] Error 2 make: *** [gen_deps_and_build_targets] Error 2

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Genode footage of the Software Freedom Day 2010
by Norman Feske 10 Mar '11

10 Mar '11

Hello, the video material of my talk at the last year's Software Freedom Day event in Amsterdam was just published by Bas de Lange. The talk covers background information about Genode Labs, introduces the high-level Genode OS architecture, and demonstrates the concepts live. http://www.youtube.com/watch?v=Z1IMV3FJO7Q Thanks a lot to Bas for having organized the event and for publishing the footage! -- 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

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C++ STL on Genode
by Daniel Waddington 08 Mar '11

08 Mar '11

Hi, Is it possible to use the standard C++ template library? or is this not ported to the Genode runtime? Thanks Daniel

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Equivalent to ucontext APIs
by Daniel Waddington 08 Mar '11

08 Mar '11

Hi, I want to perform user-level scheduling in Genode. Previously we used the POSIX ucontext APIs to save the thread's state, create a new context, and swap between contexts. Before I try to put the equivalent in place in Genode, I am wondering if there are any existing facilities to do this sort of thing in user-space. Also any advice on approach is welcome. Thanks Daniel

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TLS in Genode+Fiasco.OC
by Amadeo Cuadrado 08 Mar '11

08 Mar '11

Hello, Quick question: I am using Genode+Fiasco.OC, and I am trying to access the TLS of a particular thread. How can that be done? Where could I find an example on this? Thanks! Amadeo

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Libports building problem with Genode 11.02 + Fiasco.OC
by Daniel Waddington - SISA 02 Mar '11

02 Mar '11

Hello, We're struggling to build Genode 11.02 + Fiasco.OC on x86. We are building using the genode GCC x86-ia32 binaries (gcc 4.4.5) running on a x86_64 Ubuntu box. When we add "libports" to the REPOSITORY we get: COMPILE readlink.o COMPILE rlimit.o COMPILE select.o COMPILE strcoll.o COMPILE strxfrm.o COMPILE sysctl.o COMPILE wcscoll.o COMPILE wcsxfrm.o MERGE libc.lib.so genode-x86-ld: /home/dwaddington/git/omnios/build/genode/var/libcache/cap_alloc/cap_all oc.lib.a(cap_sel_alloc.o): relocation R_386_GOTOFF against undefined symbol `__l4sys_invoke_indirect' can not be used when making a shared object genode-x86-ld: final link failed: Bad value make[2]: *** [libc.lib.so] Error 1 make[1]: *** [libc.lib] Error 2 make: *** [gen_deps_and_build_targets] Error 2 I have no idea how to fix this. Any clues? Thanks Daniel

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SMP ia32 support with Pistachio
by Daniel Waddington - SISA 01 Mar '11

01 Mar '11

Hi, Has anyone managed to get Pistachio+Genode with SMP+ia32 running? We have managed to get Pistachio+Genode+ia32 without SMP working fine. As soon as we compile SMP it goes into an endless loop. Any ideas? Thanks Daniel Waddington

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Announcement: Genode OS Framework version 11.02 released
by Norman Feske 24 Feb '11

24 Feb '11

We are happy to announce the release of the version 11.02 of the Genode OS Framework. The development is this version was primarily focused on further expanding the platform support of the framework. We are excited about the following three significant improvements in this area. First, we introduced support for the Fiasco.OC kernel, which is a modern capability-based microkernel developed at the Dresden University of Technology and published under GPLv2. Fiasco.OC provides a rich set of features, most notably kernel support for user-level object capabilities (hence the suffix "OC"), multi-processor support, and comprehensive support for the x86_32, x86_64, and ARM architectures. For more information on Fiasco.OC visit http://os.inf.tu-dresden.de/fiasco Second, we upgraded the support for the NOVA hypervisor to version 0.3, and thereby, promoted the NOVA version of Genode to cover the entire Genode API. So, NOVA can now be recommended as base platform for Genode without reservations. The project website of NOVA is: http://hypervisor.org Third, the Genode project reaches out to kernel land by adding a custom kernel platform for running Genode on the Xilinx MicroBlaze CPU architecture. Our design has a special twist that sets it apart from existing microkernels, namely that it is not a free-standing program but a part of Genode's core. By consolidating the kernel with the user-level core into one program, the TCB complexity of the Genode base systems gets quite dramatically reduced compared to the combination of a normal microkernel with core running as roottask. The most prominent functional addition introduced with the new release, is the Noux execution environment, which facilitates the use of GNU userland software on top of Genode without requiring much manual porting labour. Albeit being in an early stage, Noux is already able to run many commands of the GNU coreutils. In short, the release notes summary is: - Fiasco.OC as new base platform - Running Genode natively on MicroBlaze CPUs - Support for version 0.3 of the NOVA hypervisor - Noux execution environment for GNU userland software - Base framework - Core resource accounting using guarded allocators - Protocol enhancements for upgrading session quotas - Qt4 updated to version 4.7.1 - New tool for automated integration and testing Please find a more elaborative description of the changes accompanied with a lot of background information in the release notes of version 11.02: http://genode.org/documentation/release-notes/11.02 The new version is ready for download at our download page at Sourceforge and our public SVN repository: http://genode.org/download Best Regards -- 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

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