News
HelenOS switches to Bazaar VCS
After the 0.4.1 release, we abandoned our Subversion repository, leaving all change history behind, and moved on to Bazaar. The new repository is located at bzr://bzr.helenos.org/head and seamlessly continues where HelenOS 0.4.1 stopped. The old
HelenOS 0.4.1 (Escalopino) Released!
After months of hard work and with great excitement, we are releasing HelenOS 0.4.1 to the wild today. The new version is codenamed Escalopino and brings a great deal of new features and improvements, as well as a large number of bug fixes. Because
HelenOS 0.4.0 (Sinister Valentine) Released!
We are pleased to announce the immediate availability of HelenOS 0.4.0. This is the list of major improvements since the previous release:
bdsh shell (simple CLI)
task loader
task tracer
RAM disk support
FAT file system
Improved support for UltraSPARC processors
Pavel Rimsky, a new core contributor, has recently added support for the newer UltraSPARC processors so that besides the already supported UltraSPARC I, II and IIi processors, HelenOS runs also on the newer SPARC V9 subarchitecture of UltraSPARC III
FAT support delivered
The FAT file system is now feature-wise on-par with the memory only TMPFS file system. Standard operations like open(), read(), write(), lseek(), close(), opendir(), readdir(), rewinddir(), closedir(), mkdir(), unlink(), rename(), getcwd() and chdir() are supported. Along with the new filesystem, a block cache layer was developed.
Harvest Season
In a relatively short period of time, there have been multiple achievements on the HelenOS development front. In June, Martin Decky has reworked the userspace start up phase and allowed applications to be loaded from a file system (only TMPFS at that
Harvest Season
In a relatively short period of time, there have been multiple achievements on the HelenOS development front. In June, Martin Decky has reworked the userspace start up phase and allowed applications to be loaded from a file system (only TMPFS at that
Debugging, tracing and dynamic linking
There is a new branch in our repository dedicated to debugging, tracing and dynamic loading. It is a work in progress, but some bits (e.g. tracing) are already pretty functional. Jiri Svoboda, the author of these changes, is working on this as part
Debugging, tracing and dynamic linking
There is a new branch in our repository dedicated to debugging, tracing and dynamic loading. It is a work in progress, but some bits (e.g. tracing) are already pretty functional. Jiri Svoboda, the author of these changes, is working on this as part
HelenOS 0.3.0 released!
After several months of development, HelenOS 0.3.0 has been finally released. This version contains the new file system framework, including the VFS service, supporting libraries and an example, memory-based, file system implementation called TMPFS.