Stefan Lankes
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b377e52d6f
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remove memory leak
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2016-01-11 09:33:34 +01:00 |
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Stefan Lankes
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d47bdb3104
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remove obsolete function
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2015-01-18 22:20:42 +01:00 |
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Stefan Lankes
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a125dd6dce
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add support to start elf binaries
- add ELF loader
- create heap on demand (on first touch)
- add system call to increase the heap
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2015-01-18 20:31:32 +01:00 |
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Stefan Lankes
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bdebe44a26
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Merge branch 'stage5' into stage6
Conflicts:
arch/x86/include/asm/page.h
arch/x86/kernel/entry.asm
arch/x86/mm/page.c
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2015-01-17 16:45:06 +01:00 |
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Stefan Lankes
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7f8e4d2934
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remove obsolte code and switch back to Steffen's revised page handling
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2015-01-17 16:17:20 +01:00 |
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Stefan Lankes
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f1dd432a53
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merge Steffen's heap implementation into eduOS
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2015-01-12 22:35:08 +01:00 |
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Stefan Lankes
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926f818e83
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reduce the number of debug messages
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2014-12-13 17:55:29 +01:00 |
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Stefan Lankes
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f6a5f75725
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fix wrong calculation of active tasks
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2014-12-05 09:29:10 +01:00 |
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42571eb4eb
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added proper accounting of user used page frames
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2014-12-04 21:44:02 +01:00 |
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Stefan Lankes
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370997f516
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copy default task's cr3 register to the PCB
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2014-12-03 23:39:13 +01:00 |
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Stefan Lankes
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04290f885d
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fix wrong pointer check
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2014-12-02 23:37:43 +01:00 |
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2cf3c89a40
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fixed syntax errors and compiler warnings in new branch
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2014-11-28 03:20:31 +01:00 |
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a471243f83
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added first version of userspace fork/kill support to new branch
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2014-11-28 01:42:41 +01:00 |
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Stefan Lankes
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eb8859d706
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extending example task, fix bug in handling of the TSS
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2014-01-22 12:13:30 +01:00 |
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Stefan Lankes
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b83bc1d261
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add first steps to support user-level tasks
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2014-01-22 12:12:39 +01:00 |
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Stefan Lankes
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87801a1706
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add preemptive multitasking and interrupt handling
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2013-11-27 22:49:30 +01:00 |
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Stefan Lankes
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ba491114bc
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add basic functions to block and to unblock a task
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2013-11-26 09:17:14 +01:00 |
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Stefan Lankes
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e3ba77995c
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remove one (obsolete) readyqueue
priority 0 is only used by the idle task and doesn't need own queue
=> reduce the number of queues
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2013-11-22 19:56:59 +01:00 |
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Stefan Lankes
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fea9e78f32
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remove obsolte function
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2013-11-22 18:42:39 +01:00 |
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Stefan Lankes
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930bc01817
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use the meaningful name readyqueues instead of runqueue
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2013-11-22 18:07:05 +01:00 |
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Stefan Lankes
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3557efcc7a
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simplify scheduling code
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2013-11-21 17:30:52 +01:00 |
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Stefan Lankes
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67926d7c65
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add support of nonpreemptive multitasking and additional comments
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2013-11-19 23:11:53 +01:00 |
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