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2357 discussions

running VirtualBox on Genode
by Daren Sin 29 Jul '15

29 Jul '15

Hi all, I've seen the Genode website, and I noticed that it is possible to run VirtualBox on Genode. I'm currently running Genode on a NOVA hypervisor. What should I do to get VirtualBox running on Genode? Thank you!

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lsusb applet not found
by Thotheolh Tay 29 Jul '15

29 Jul '15

Hi, When I run the 'lsusb' command, it tells me 'lsusb: applet not found' message. How do I solve this ? When I plugin a USB flash drive into the system, I get a weird message. It must be plugged in for the first time into the USB port and after that subsequent USB drives will not spawn the message again. [ 14.935514] Clocksource tsc unstable (delta = 200916449 ns) [ 14.826599] Switching to clocksource l4kipclk I am missing something in the L4Linux/Fiasco.OC build image I made to enable USB support ? Are the clocksource and lsusb messages correlated ?

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Trying out the hello tutorial
by Daren Sin 28 Jul '15

28 Jul '15

Hi everyone! I've been trying out the hello tutorial, and after following the steps in the tutorial ( http://genode.org/documentation/developer-resources/client_server_tutorial), I got stuck at the *./core* step. I got an "Illegal instruction (core dumped)". I can't seem to find a post around here that describes a similar problem. What might be the problem? Correct me if I'm wrong, I'm supposed to have a *config* file in the */build/bin* directory, but since there wasn't one at first, I created a new document and put in the necessary code, as described on the website. Cheers Daren

2 1

Transform native Genode port of lua library into an application for Genode's Noux runtime
by Rolf Sommerhalder 27 Jul '15

27 Jul '15

Hello list, Before attempting to do a port of LuaJIT as an additional application for Genode's Noux runtime, in a first step, I try to transform the existing port of Lua from a native Genode library to a "Noux package" (noux-pkg). The native Genode application moon(-tool) uses the existing port of the Lua library as a Lua extension of "C", whereas I would like to use the Lua and LuaJIT interpreters interactively from a bash shell with terminal. Thus, I have created lua0.port, lua0.hash (see below) and got its source tree into contrib/ ./prepare_port lua0 CHECK_HASH=no Note that I chose to name the noux-pkg "lua0" in order to clearly differentiate it from the existing library "lua". Currently, I struggle with the Noux build tool which insists on calling configure, whereas the library port tool seems not to call configure, but simply makes repos/libports/lib/mk/lua.mk . What would be the recommended way forward, e.g. is there a way to disable the Autotools/configure step in my lua0/target.mk, or to create an "empty" configure script using a patch for example? Thanks, Rolf --- cat repos/ports/src/noux-pkg/lua0/target.mk # ported from repos/portslibs/lib/mk/lua.inc | lua.mk TARGET = lua0 LUA_DIR := $(call select_from_ports,lua0)/src/noux-pkg/lua0/src LIBS += libc libm #LIBS += libc libm libreadline libdl INC_DIR += $(LUA_DIR) CC_DEF = -DLUA_ANSI -DLUA_USE_MKSTEMP #NOUX_CFLAGS += -DLUA_ANSI -DLUA_USE_MKSTEMP # core objects LUA_CORE_C = lapi.c lcode.c ldebug.c ldo.c ldump.c lfunc.c lgc.c llex.c lmem.c \ lobject.c lopcodes.c lparser.c lstate.c lstring.c ltable.c ltm.c \ lundump.c lvm.c lzio.c # library objects, e.g. string handling LUA_LIB_C = lauxlib.c lbaselib.c ldblib.c liolib.c lmathlib.c loslib.c ltablib.c \ lstrlib.c loadlib.c linit.c vpath %.c $(LUA_DIR) SRC_C = $(LUA_CORE_C) $(LUA_LIB_C) noux_built.tag: Makefile --- build/linux_x86$ make VERBOSE= noux-pkg/lua0 checking library dependencies... Library platform Library libc-locale Library libc-stdlib Library libc-string Library libc-stdio Library libc-inet Library libc-gdtoa Library libc-stdtime Library libc-regex Library libc-compat Library cxx Library syscall Library config Library libc-setjmp Library alarm Library ldso-startup Library startup Library timed_semaphore Library libc-gen Library base-common Library base Library ld Library vfs Library libc Library libc_noux Library libm /home/rs/nizwa2/genode/master/repos/base/mk/prg.mk:208: warning: overriding commands for target `lua0' /home/rs/nizwa2/genode/master/repos/ports/mk/noux.mk:171: warning: ignoring old commands for target `lua0' Program noux-pkg/lua0/lua0 CONFIG lua0 source noux_env.sh && /home/rs/nizwa2/genode/master/contrib/lua0-dummy/src/noux-pkg/lua0/configure --host x86_64-pc-elf --srcdir=/home/rs/nizwa2/genode/master/contrib/lua0-dummy/src/noux-pkg/lua0 --prefix / --build x86-linux BUILD lua0 source noux_env.sh && make V=1 MAN= make[3]: *** No targets specified and no makefile found. Stop. make[2]: *** [noux_built.tag] Error 2 make[1]: *** [lua0.prg] Error 2 make: *** [gen_deps_and_build_targets] Error 2 --- cat repos/ports/ports/lua0.port LICENSE := MIT #VERSION := 5.1.5 VERSION := 5.3.1 DOWNLOADS := lua0.archive URL(lua0) := http://www.lua.org/ftp/lua-$(VERSION).tar.gz #SHA(lua0) := b3882111ad02ecc6b972f8c1241647905cb2e3fc SHA(lua0) := 1676c6a041d90b6982db8cef1e5fb26000ab6dee SIG(lua0) := ${URL(lua0)}.sig KEY(lua0) := GNU DIR(lua0) := src/noux-pkg/lua0 --- cat repos/ports/ports$ cat lua0.hash dummy

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Chaos Communication Camp in August
by Norman Feske 26 Jul '15

26 Jul '15

Hello, does anyone of you consider attending the Chaos Communication Camp [1] this year? I know that Stefan will be there. I'm still on undecided. The chance to meet others from the Genode community would ultimately convince me to join in. :-) [1] https://events.ccc.de/tag/chaos-communication-camp/ 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

3 4

Security compartmentalisation
by Thotheolh Tay 26 Jul '15

26 Jul '15

Hi, I would like some help understanding the below described scenario. An L4Linux/Genode/Fiasco.OC is used as the secure environment. If a malware is executed on a process thread on the L4Linux layer, say to scrape the L4Linux to do memory dumps or to access the filesystem for crypto key files, how will the above setup protect against a malicious process thread ? An example being a PGP email crypto program running on a process thread with another process thread infected by a malware. Thanks & Regards, Thoth.

3 3

RE: USB armory USB driver - porting
by Vladimir Lushnikov 24 Jul '15

24 Jul '15

Hello all, It has taken a lot longer than I hoped initially, but I have some progress to report on the USB driver port for the USB armory. The current state is that the controller bringup looks like it *does something* but the functionality (and device hotplugging) does not work. My current code is in here: https://github.com/vladimir-lu/genode/tree/issue/imx53_usb_host_staging As I mentioned, upon hotplugging a device (tested with a memory stick and of course the official host adapter) - there seems to be no log activity, but when the memory stick is plugged in from boot time it at least recognises that there is something connected to the port. The two log files are here: https://gist.github.com/anonymous/101496bdfb266b460e51 The relevant line in the log is: [init -> usb_drv] dev_dbg: state 7 ports 1 chg 0002 evt 0000 vs (in the non-recognised case) [init -> usb_drv] dev_dbg: state 7 ports 1 chg 0000 evt 0000 I do not have any good ideas at the moment where to go next with debugging this problem - can anyone suggest places to look? I guessed that the issue is in the clock setup, but writing to the Usboh3_60M and Usbphy1 in Ccgr2 and Ccgr4 respectively does not seem to make any difference. The usb phy has no tranceiver on this platform so does not need enabling. The OTG port is being used for host mode. As you may notice, the platform.cc now contains a few header definitions + functions that I copy+pasted from the wifi driver but did not want to put in lx_emul.cc - is that correct or should I just stick them in linux_emul.cc for all to use? I have also run the input-test and that does not print any events received. One interesting line comes out after a few seconds however: [init -> usb_drv] dev_dbg: debounce: port 1: total 2000ms stable 0ms status 0x401 I want to get host mode working before I start with the OTG + gadget porting (there is some diff primarily in the OTG stuff between 3.14.5 and 4.0 so I am not sure how much of 3.14.5 will actually "work" without getting a 3.14.5 kernel running on the armory first...) Kind regards, Vladimir

2 1

Cuystomizing additional libraries and features on Fiasco.OC/L4Linux
by Thotheolh Tay 15 Jul '15

15 Jul '15

Hi, How do I add/customize the L4Linux so that the next time I build the ISO and boot it, it will have the programs I customized it for ? An example is to add GCC and GNU Make so that when it boots on ISO, I would have the ability to script C/C++ and Make on the booted L4Linux ? -- +---------------------------------------------------------+ | PGP Secure Email Key ID:6FBFC19D | +---------------------------------------------------------+

2 1

sendmsg in libc_lwip
by Mohammad Hamad 13 Jul '15

13 Jul '15

hello, I am looking in plugin implementation to have deep understand about it. my objective is to implement the "sendmsg" function. i was able to mange it but when i am compiling i got error message tell me that the " struct msghdr and iovec" were defined twice ! . I add the the definition of struct msghdr and struct iovec in /include /lwip/lwip/sockets.h and they are already defined in /libc/sys/socket.h . i am really confused since there are many data types defined in the both headers (e.g sockadd) and libc_lwip was never complained ! best,

2 2

Joining Filesystems
by Nobody III 12 Jul '15

12 Jul '15

I have been thinking about writing a file manager for Genode. This has led me to some questions: Is there already any file manager currently being written? What is the best way of joining multiple filesystems into a single tree? (Or should I be doing something different?) Which libraries/files/functions should I use? I think Boost Filesystems should be ported to Genode at some point, so I might want to use that. How difficult would that be? Or should not add that as a dependency? What's the best way to scan a directory for files and other directories? How much file type detection (and file preview) is safe? Also, I may want to use threading. Are C++11 threads supported?

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