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Subversion Repositories
HelenOS
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kernel
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trunk
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arch
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ia64
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src
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mm/
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762
6756 d 8 h
palkovsky
/kernel/trunk/
Currently not-working SLAB allocator.
- slightly changed interface to frame_alloc, allow zone preference
758
6756 d 22 h
jermar
/kernel/trunk/arch/
sparc64 bugfix.
When disabling IMMU and DMMU the kernel has to perform synchronization operation
(e.g flush %r or membar #Sync instruction). There is no guarantee that the address
contained in %r is in DTLB and therefore the flush instruction can fault. Normally
this would be recognized and fixed by the OpenFirmware Fast Data MMU fault handler.
However, this handler lives in virtually mapped memory and an attempt to execute
there while the MMUs are disabled would result in a nested trap leading to error state.
Replacing flush %r instruction with membar #Sync, wich is sufficient in this case,
fixes this problem.
757
6757 d 1 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
6757 d 22 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.
753
6759 d 5 h
jermar
/kernel/trunk/
Convert ASID management of ia64 to ASID FIFO mechanism.
18-bit RIDs are supported.
751
6759 d 7 h
jermar
/kernel/trunk/arch/ia64/
Fix initialization of pta.base on ia64.
749
6761 d 5 h
jermar
/kernel/trunk/arch/ia64/
ia64 virtual address translation subsystem update.
748
6762 d 5 h
jermar
/kernel/trunk/arch/ia64/
First HT_HASH_ARCH implementation for ia64.
747
6762 d 23 h
jermar
/kernel/trunk/
ia64 work.
Add nice wrappers for thash and ttag instructions.
Add nice wrappers for accessing reion registers and PTA.
Fix set_vhpt_environment().
Allocate and initialize page_ht (a.k.a. VHPT).
Add missing header to sparc64.
Remove excessive header from debug.h.
746
6763 d 7 h
jermar
/kernel/trunk/
Page hash table modifications.
742
6765 d 0 h
jermar
/kernel/trunk/arch/
sparc64 work.
Memory context (ASID) is, in fact, 13 bits (and not 12 bits) wide.
740
6765 d 7 h
jermar
/kernel/trunk/
ia64 ASID management code (not tested).
728
6769 d 23 h
vana
/kernel/trunk/arch/ia64/src/mm/
Serialize writes to RR because of assembler RAW warning.
726
6769 d 23 h
jermar
/kernel/trunk/arch/ia64/src/mm/
Temporarily disable set_VHPT_environment() to stop ia64 kernel from faulting.
716
6774 d 3 h
vana
/kernel/trunk/arch/ia64/src/mm/
ttag and thash envelope functions
715
6774 d 3 h
vana
/kernel/trunk/arch/ia64/
VHPT setup to be able to use ttag and thash instructions
684
6781 d 7 h
jermar
/kernel/trunk/
Memory management work.
Move generic 4-level page table interface to genarch
and enable architectures to use different virtual memory
mechanisms (e.g. page hash tables).
Start page hash table support.
Switch ia64 and sparc64 to page hash tables.
Other architectures keep on using 4-level page table interface.
534
6816 d 2 h
jermar
/
Rename HelenOS/SPARTAN to HelenOS/kernel again.
533
6816 d 2 h
bondari
/SPARTAN/trunk/
Buddy allocator for physical memory complete implementation.
Tested on IA32, AMD64, MIPS32. RWLock Test #5 is not passed.
NOTE: Other architectures could be broken (but should not be)
532
6816 d 2 h
jermar
/
Revert renaming of HelenOS/SPARTAN to HelenOS/kernel because of important pending patch.
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