HelenOS-historic
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HelenOS-historic
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kernel
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trunk
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generic
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src/
– Rev 815
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815
6805 d 6 h
jermar
/kernel/trunk/
Fix sparc64 and ia64 to work with the changed frame allocator.
Fix ppc32 to at least compile.
814
6805 d 7 h
palkovsky
/kernel/trunk/
Cleanup o frame allocator.
Removed early_malloc & initial heap.
Will break ia64, ppc & sparc.
Added e820 table print.
813
6805 d 19 h
jermar
/kernel/trunk/
Change ia64 kernel image to link and load at 0x100000 where
it (or its heap or stack) won't mess up with the ROM region.
Blacklist ia64 frame 0 from frame allocator so that 0 won't be
returned to malloc and friends. This can be reenabled again
once the kernel is not identity mapped.
799
6806 d 22 h
palkovsky
/kernel/trunk/
Preliminary work on AMD userspace.
794
6807 d 4 h
palkovsky
/kernel/trunk/
Added MIPS userspace. Currently can't make it work in gxemul.
793
6807 d 4 h
jermar
/kernel/trunk/
Use hash_table_get_instance instead of list_get_instance.
Rename page_operations to page_mapping_operations.
Rename page_pt_operations to pt_mapping_operations.
Rename page_ht_operations to ht_mapping_operations.
792
6807 d 5 h
jermar
/kernel/trunk/
Page hash table architectures now use generic hash table to manage
mappings.
791
6807 d 18 h
palkovsky
/kernel/trunk/generic/
better utilization of memory in slab alloc
removed malloc-8 slab
790
6807 d 22 h
jermar
/kernel/trunk/
Generic chaining hash table.
789
6807 d 22 h
palkovsky
/kernel/trunk/generic/
Early SLAB initialization, the cpu-cache is initialized later.
If you want to use slab_cache_create befor slab_cpu_enable, add
a flag SLAB_CACHE_MAGDEFERRED.
788
6808 d 2 h
jermar
/kernel/trunk/
Move list and fifo data types to adt/.
787
6808 d 3 h
palkovsky
/kernel/trunk/generic/
Added constructor/destructor calls to SLAB.
Changed allocation of thread_t structure to use SLAB.
786
6808 d 3 h
bondari
/kernel/trunk/
frame_alloc() functions variations in order to avoid problems with frame_alloc_generic() changes.
IMPORTANT: Parameter order for frame_alloc() was changed
785
6808 d 5 h
jermar
/kernel/trunk/generic/src/
Comments clarification.
784
6808 d 5 h
palkovsky
/kernel/trunk/generic/src/proc/
Cleanup of scheduler code
783
6808 d 6 h
palkovsky
/kernel/trunk/generic/
Fixed some typos in slab allocator.
Scheduler now has better algorithm on load balancing.
Unfortunately it reveals deadlock in slab allocator :-/
782
6808 d 7 h
palkovsky
/kernel/trunk/generic/src/mm/
Small locking performance tweak.
781
6808 d 18 h
palkovsky
/kernel/trunk/generic/
Still better locking - does not hold global spinlock when
destroying cache.
780
6808 d 22 h
palkovsky
/kernel/trunk/
Small fix in slab allocator for large-sized slabs.
779
6808 d 22 h
jermar
/kernel/trunk/generic/
Simplify load balancing activation.
This in fact removes the livelock that prevented cpu_sleep() to be called in SMP systems.
778
6809 d 1 h
palkovsky
/kernel/trunk/
Fixed boot process not to call malloc when slab not initialized.
Added simics workaround.
777
6809 d 1 h
palkovsky
/kernel/trunk/generic/
added thread list to kconsole.
776
6809 d 5 h
palkovsky
/kernel/trunk/generic/
Added more granular locking to slab allocator and thus fix
hopefully last race condition.
775
6809 d 6 h
palkovsky
/kernel/trunk/generic/
Added scheduler queues output. The scheduler is buggy - on SMP
the cpus never get tu cpu_sleep, in slab2 test on 4 cpus everything
is on the first cpu.
The slab allocator passes tests in this configuration, but in slightly
different(more efficient) locking order it panics. TODO: Find out why
does it panic.
773
6809 d 18 h
palkovsky
/kernel/trunk/
Added slab stress test.
Fixed race condition in slab allocator.
Moved initialization of slab to the point where we know correct config.cpu_count
Correctly passes tests on amd64, ia32 in both bochs & qemu.
772
6809 d 19 h
palkovsky
/kernel/trunk/
Fixed non-initialized cpu-cache.
771
6809 d 20 h
palkovsky
/kernel/trunk/generic/
Implemented malloc/free as SLABs.
769
6810 d 17 h
palkovsky
/kernel/trunk/
SLAB allocator now uses itself for all its internal structures.
Added description of allocator.
Removed messy_stack_trace from amd64, as it would scroll away important
part of exception.
768
6810 d 20 h
palkovsky
/kernel/trunk/
Debugged slab allocator. It currently supports per-CPU cache on 1 cpu.
767
6810 d 21 h
palkovsky
/kernel/trunk/
Partially working SLAB CPU cache.
766
6810 d 22 h
palkovsky
/kernel/trunk/
Basic SLAB (without CPU-cache) passes test.
765
6810 d 22 h
jermar
/kernel/trunk/
Add PAGE_WIDTH to aid divisions by PAGE_SIZE.
764
6811 d 3 h
palkovsky
/kernel/trunk/
Tested basic non-cached slab allocation.
763
6811 d 5 h
jermar
/kernel/trunk/
Modify frame.h to use shifting instead of multiplication and division.
Define FRAME_WIDTH for all architectures.
762
6811 d 6 h
palkovsky
/kernel/trunk/
Currently not-working SLAB allocator.
- slightly changed interface to frame_alloc, allow zone preference
759
6811 d 18 h
palkovsky
/kernel/trunk/
Skeleton of SLAB allocator.
757
6811 d 23 h
jermar
/kernel/trunk/
Blacklist addresses between 0xa0000 and 0xfffff on ia64 for frame allocator.
This area contains VGA text frame buffer and should be avoided.
falloc2 test now passes on ia64.
756
6812 d 20 h
jermar
/kernel/trunk/
Memory management work.
Remove the last (i.e. 'root') argument from page_mapping_insert() and page_mapping_find().
Page table address is now extracted from the first (i.e. 'as') argument.
Add a lot of infrastructure to make the above possible.
sparc64 is now broken, most likely because of insufficient identity mapping of physical memory.
755
6813 d 19 h
jermar
/kernel/trunk/
Change page_mapping_find/insert interfaces to take as_t * as first argument
and not asid_t as second argument. This change was necessitated by the
removal of mapping array from as_area_t and the fact that an address
space doesn't have an ASID when it is created.
754
6813 d 20 h
jermar
/kernel/trunk/generic/
Remove address space area mapping array.
The information is to be stored directly in page tables.
This is to better support 64-bit systems which can have
fairly large address space areas.