l4-hackers November 2002

l4-hackers@os.inf.tu-dresden.de

6 participants
6 discussions

is there any l4 lib avaliable ?
by Yu Neil 02 Dec '02

02 Dec '02

just like the l4 environment from tu-dresden, but it`s unavaliable Neil Yu _________________________________________________________________ 享用世界上最大的电子邮件系统― MSN Hotmail。 http://www.hotmail.com

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RE: L4 on iPAQ question
by Volkmar Uhlig 15 Nov '02

15 Nov '02

> -----Original Message----- > From: Christian Stüble [mailto:stueble@cs.uni-sb.de] > Sent: Friday, November 08, 2002 5:01 PM > To: l4-hackers(a)os.inf.tu-dresden.de > Subject: L4 on iPAQ question > > we just got some iPAQ 3870 Handhelds (very nice > little devices :-) and I will try to port PERSEUS > to it. Obviously, I should start with installing > L4 onto it. But I don't know more than that I > have installed the bootldr Bootloader that can > boot images from Serial or CF (installing plain > linux works well). Has someone else tried to > install L4 on iPAQ and can give me hints > how to do it? If not, what should I do first? > What should I read? Christian, the current version of Hazelnut supposedly works on the iPaq. I used it on the one I have here which is a 3630 model with 32MB RAM. You explicitly load the arm-booter image to address 0xC1000000 and then jump to this address. It loads the elf images and starts the kernel. Currently, the kernel supports serial line as debug output device. But be aware that there are unsolved issues like IRQ handling. > Next, L4Linux has to be ported to the StrongARM. > Is there a L4Linux/ARM available somewhere? Is > someone working on it or has a student that can > do it? AFAIK, there is no L4Linux port to ARM. I did a not-yet-released port of Linux 2.4 to L4 for x86 which currently runs on Pistachio, Hazelnut and thanks to Adam on FIASCO. Based on that you could start an ARM adaptation. Adam started to factor out the x86 and L4 API dependencies to make the code base more reusable, but the x86 dependencies are still tremendous. The former port of L4Linux to MIPS started a completely new Linux hardware architecture. Thus, I do not have a clear idea how much architecture dependencies will show up, but I expect a lot. I mean a lot!!! I do not know anybody who currently plans to do an ARM port nor do we have any resources to do it. Maybe the Dresden group??? - Volkmar

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L4 on iPAQ question
by Christian Stüble 08 Nov '02

08 Nov '02

Hello, we just got some iPAQ 3870 Handhelds (very nice little devices :-) and I will try to port PERSEUS to it. Obviously, I should start with installing L4 onto it. But I don't know more than that I have installed the bootldr Bootloader that can boot images from Serial or CF (installing plain linux works well). Has someone else tried to install L4 on iPAQ and can give me hints how to do it? If not, what should I do first? What should I read? Next, L4Linux has to be ported to the StrongARM. Is there a L4Linux/ARM available somewhere? Is someone working on it or has a student that can do it? I can try to do so, but I fear here in Saarbruecken it is difficult to find students with experiences in Linux, C and OS in general. Maybe, I have to do it myself, but I will need help from the DROPS and L4KA people... Thanks & Regards, Chris -- Christian Stueble <stueble(a)cs.uni-sb.de> Saarland University, Dept. for Computer Science Security and Cryptography Group @Saarland University/DFKI Im Stadtwald, D-66123 Saarbruecken, Building 45, Room 534 Tel.: +49(681)302-5635 Fax.: +49(681)302 4631 Get public key from http://www-krypt.cs.uni-sb.de Fingerprint 8678 C5D3 CAD9 CD8C F1DD B8EC 202F 116A

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NomadBIOS source availability
by Asger Henriksen 05 Nov '02

05 Nov '02

Hi all, Just wanted to let you know, that a read-only cvs repository has been set up for access to the sourcecode for nomadbios. It is still a little rough, but we will iron out whatever issues can/will arise. The cvs repo contains the source for the linux22 sourcetree, as well as the nomadbios server itself. In the download area of the website patches for Oskit and Fiasco has been added. Just do cvs -d:pserver:anonymous@udenbysvester.dk:/var/lib/cvs login <no password> cvs -d:pserver:anonymous@udenbysvester.dk:/var/lib/cvs co <module> where module is either linux22 or nomadbios. If you check out linux22 you must use the "guest" branch when checking out, otherwise nothing will work. Regards, Asger Henriksen

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NomadBios sources now available
by Jacob Gorm Hansen 05 Nov '02

05 Nov '02

not pretty, but there. I've also put up our experimental fiasco & oskit patches. best, Jacob

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NomadBIOS project
by Jacob Gorm Hansen 02 Nov '02

02 Nov '02

hi all, we have just put up a minimal website about our thesis project, titled 'NomadBIOS', which allows you to run multiple l4linuxes at once, and to hot-migrate them between host machines. The thesis is not exacly written yet, but in the meanwhile you might want to have a go at it. The website and download is at http://www.nomadbios.dk Have fun! Asger Henriksen & Jacob Gorm Hansen

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l4-hackers November 2002