users March 2010

users@lists.genode.org

7 participants
6 discussions

Further questions
by Peter Nguyen 30 Mar '12

30 Mar '12

Hi, Thanks you very much for that. I now have it running. I have another question about Genode. More specifically, I was wondering whether any of the Iguana services at all. I ask this given that the weaver.xml file refers to memsections and pds (i'm assuming that means protection domains). Peter ----- Forwarded message from Norman Feske <norman.feske@...1...> ----- Date: Tue, 05 Jan 2010 08:43:36 +0100 From: Norman Feske <norman.feske@...1...> Reply-To: Genode OS Framework Mailing List <genode-main(a)lists.sourceforge.net> Subject: Re: Broken assertion To: Genode OS Framework Mailing List <genode-main(a)lists.sourceforge.net> Hi Peter, this is a different error as the one mentioned in the Wiki. It actually tells you what's wrong. ;-) In the 'weaver.xml' file, there is a memsection referring to a file called 'config'. This is the configuration file of Genode's init process. You can use a copy of the template provided at 'os/config/demo'. You can either specify this file as filename for the 'config' module entry in 'weaver.xml' or copy it to your '<builddir>/bin/' directory (and of course rename it to 'config'). This bit was missing in the Wiki. So I added it to the Wiki page. Thank you for pointing it out. Norman Peter Nguyen wrote: > Hi, > > In the wiki describing how to build Genode on OKL4, does the bug alert refer to > following message: An error occurred: [Errno 2] No such file or directory: > 'config'? > > I've followed the build instructions, and i've changed the value as suggested as > the quick fix, but I still get this error. > > As usual, any help would be greatly appreciated. > > Peter ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Genode-main mailing list Genode-main(a)lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/genode-main ----- End forwarded message -----

3 4

Shared library
by Peter Nguyen 11 Mar '10

11 Mar '10

Hi, I've tried to create a shared library for use by multiple components in Genode, where in the mk file for the library, i have specified SHARED_LIB=yes. When i try to execute Genode, I keep getting the following message at runtime: "Dynamically linked file found, but no dynamic linker binary present" What steps do i need to take so as to ensure that the binary is present? Peter

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OKL4 build errors
by Peter Nguyen 02 Mar '10

02 Mar '10

Hi, In upgrading to Genode 10.02, i'm encountering build errors when i specifically include one of three L4 header files, namely thread.h, ipc.h, and arch/thread.h. I do the #include statements within a namespace declaration like so: namespace Okl4 { extern "C" { //includes }} Every time i try to build OKL4, i keeping getting the following error which is related to utcb.h: error: expected unqualified-id before ‘[’ token Does anyone have any idea as to why this is happening? If i don't include any of those files, my code builds fine. Peter

3 3

Support for other (ARM) machines
by Thomas DuBuisson 02 Mar '10

02 Mar '10

After getting Genode to build for GTA01 I'm now interested in getting a build running on hardware I have available (an OMAP3 / beagleboard based ARM system). Are there notes somewhere on adding machine support to Genode or should I just study anywhere that mentions gumstix or GTA01? Cheers, Thomas

2 1

Further questions about LWIP/HTTP server
by Peter Nguyen 01 Mar '10

01 Mar '10

Hi, In digging to the HTTP server functionality, I noticed that with IP address, data is stored for local and remote IP addresses. I gather remote IPs refer to the machines making the requests. Does the local IP refer to the HTTP server itself?? Peter

3 4

Method Ram_session_component::alloc()
by Frank Kaiser 01 Mar '10

01 Mar '10

Hello There is a small glitch in the given method found in file base/src/core/ram_session_component.cc: 1. In line 141 a new Dataspace_component is generated and assigned to pointer *ds. 2. In line 144 the pointer is used to call method _clear_ds() (defined for instance in file base-okl4/src/core/ram_session_support.cc). There (line 44) pointer *ds is dereferenced w/o any validity check. 3. In line 146 a null pointer check is applied on *ds. If the new operator in line 141 is expected to return NULL in some cases, then the null pointer check in line 146 should precede the usage of the pointer in line 144, otherwise the code of line 146ff would be obsolete. Frank

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users March 2010