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add description of stage4

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Stefan Lankes 2014-01-22 15:28:52 +01:00
parent c71b6c6c8a
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README.md
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@ -62,23 +62,27 @@ Boot eduOS via grub
Overview of all branches
------------------------
1. stage0 - Smallest HelloWorld of the World
0. stage0 - Smallest HelloWorld of the World
Description of loading a minimal 32bit kernel
2. stage1 - Non-preemptive multitasking
1. stage1 - Non-preemptive multitasking
Introduction into a simple form of multitasking, where no interrupts are
required.
3. stage2 - Synchronisation primitives
2. stage2 - Synchronisation primitives
Description of basic synchronization primitives
4. stage3 - Preemptive multitasking
3. stage3 - Preemptive multitasking
Introduction into preemptive multitasking and interrupt handling
4. stage4 - Support of user-level tasks
Add support of user-level tasks with an small interface for basic system calls
Usefull Links
-------------
1. http://www.gnu.org/software/grub/manual/multiboot/