From: Richard Panton <rpanton@3glab.com>
To: <ecos-announce@sources.redhat.com>
Subject: M3 extensions to eCos now available.
Date: Fri, 12 Oct 2001 06:29:00 -0000 [thread overview]
Message-ID: <Pine.LNX.4.33.0110121411570.1254-100000@rpanton.3glab.com> (raw)
The first draft of the MobileMultiMedia (M3) extensions for eCos are now
available from http://www.3glab.org/developer/ecos/
The extensions add the following functions and capabilities to the
standard eCos system:
* ELF shared library loading and run-time linking (including lazy
procedure linking at call time).
* Memory protection for loaded libraries.
* Advanced memory allocation and virtual space management.
* XIP (Execute in place) for ROMFS and RAMFS loaded applications.
* User-id & group-id based permissions checking for file access.
* ARM USER mode execution of shared library code, with SWI interfaces to
the kernel.
* Parameter checking for calls from user mode into the kernel.
* Advanced stack checking for user applications that allow faulty
applications to be terminated whilst leaving the rest of the system
executing.
* Partial POSIX process emulation, with pthread grouping and signal
marshalling.
* Simple shell accessed by TELNET.
The initial target is the Compaq iPaq, although other StrongARM targets
should be simple enough to port to (and patches are welcome ;-)
Best regards,
Richard Panton,
Systems Architect, 3G Lab
reply other threads:[~2001-10-12 6:29 UTC|newest]
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