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Rev Age Author Path Log message Diff Changes
1677 6550 d 14 h palkovsky /kernel/trunk/generic/src/mm/ Fixed error in page number computing, that could almost never appear.  
/kernel/trunk/generic/src/mm/slab.c
1599 6553 d 20 h palkovsky /kernel/trunk/generic/src/mm/ Blacklist first frame to avoid problems with allocator.  
/kernel/trunk/generic/src/mm/frame.c
1594 6554 d 3 h jermar /kernel/trunk/generic/src/mm/ Never ever walk a B+tree as you destroy it. Or vice versa.  
/kernel/trunk/generic/src/mm/as.c
1587 6554 d 11 h jermar /kernel/trunk/ task_destroy() implementation, fixes in as_destroy() and task_kill().
This is the first version of HelenOS that would perform complete cleanup leading from thread to destruction of address space.
 
/kernel/trunk/arch/amd64/src/proc/task.c
/kernel/trunk/arch/ia32/src/proc/task.c
/kernel/trunk/arch/ia64/include/proc/task.h
/kernel/trunk/arch/mips32/include/proc/task.h
/kernel/trunk/arch/ppc32/include/proc/task.h
/kernel/trunk/arch/ppc64/include/proc/task.h
/kernel/trunk/arch/sparc64/include/proc/task.h
/kernel/trunk/generic/include/proc/task.h
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/proc/task.c
1568 6555 d 12 h palkovsky /kernel/trunk/generic/ Slightly remodelled ipc hangups to facilitate correct cleanup.
Doc updates for frame allocator.
 
/kernel/trunk/generic/include/ipc/ipc.h
/kernel/trunk/generic/include/proc/task.h
/kernel/trunk/generic/src/ipc/ipc.c
/kernel/trunk/generic/src/ipc/ipcrsc.c
/kernel/trunk/generic/src/ipc/sysipc.c
/kernel/trunk/generic/src/mm/frame.c
1554 6556 d 6 h jermar /kernel/trunk/generic/src/mm/ Improve comment in slab.c.  
/kernel/trunk/generic/src/mm/slab.c
1550 6556 d 12 h jermar /kernel/trunk/generic/src/mm/ Remove left over piece of code for increasing reference count in ELF backend.  
/kernel/trunk/generic/src/mm/backend_elf.c
1546 6556 d 14 h jermar /kernel/trunk/generic/src/mm/ Add reference to shared frames of ELF image backed address space area.  
/kernel/trunk/generic/src/mm/backend_elf.c
1545 6556 d 14 h jermar /kernel/trunk/generic/src/mm/ Add reference to shared frames of anonymous address space area.  
/kernel/trunk/generic/src/mm/backend_anon.c
1544 6556 d 14 h palkovsky /kernel/trunk/generic/ Slightly better behaviour with caching on memory sharing.  
/kernel/trunk/generic/include/errno.h
/kernel/trunk/generic/src/mm/as.c
1539 6556 d 21 h cejka /kernel/trunk/generic/src/mm/ Fixed warning about unused variable in non-debug mode.  
/kernel/trunk/generic/src/mm/backend_phys.c
1495 6558 d 4 h jermar /kernel/trunk/ Remove three infinite loops introduced yesterday :-)

Make ia64 ready to load 5 ELF images.
 
/kernel/trunk/arch/ia64/Makefile.inc
/kernel/trunk/arch/ia64/src/ia64.c
/kernel/trunk/generic/src/mm/as.c
1483 6558 d 14 h jermar /kernel/trunk/generic/src/ Implement recursive function for deallocating the whole B+tree.
Make use of this function in address space management.
 
/kernel/trunk/generic/src/adt/btree.c
/kernel/trunk/generic/src/mm/as.c
1468 6559 d 12 h jermar /kernel/trunk/ Function for destroying address space for which there is no other reference in the kernel.  
/kernel/trunk/arch/ia32/include/mm/asid.h
/kernel/trunk/genarch/src/mm/as_ht.c
/kernel/trunk/genarch/src/mm/as_pt.c
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/include/mm/page.h
/kernel/trunk/generic/include/proc/task.h
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/proc/task.c
1461 6559 d 14 h palkovsky /kernel/trunk/generic/ Slightly changed semantics of AS_AREA_SEND/RECV.  
/kernel/trunk/generic/include/ipc/ipc.h
/kernel/trunk/generic/src/ipc/sysipc.c
/kernel/trunk/generic/src/mm/as.c
1437 6562 d 8 h jermar /kernel/trunk/generic/src/mm/ Fix used_space_insert() to correctly service an empty used_space B+tree.  
/kernel/trunk/generic/src/mm/as.c
1436 6562 d 8 h jermar /kernel/trunk/generic/src/mm/ Fight TLB inconsistency by proper placing of tlb_shootdown_start() and tlb_shootdown_finalize() in as.c.  
/kernel/trunk/generic/src/mm/as.c
1434 6562 d 10 h palkovsky /kernel/trunk/ Added 'realtime' clock interface.
Added some asm macros as memory barriers.
Added drift computing for mips platform.
 
/kernel/trunk/arch/ia32/include/barrier.h
/kernel/trunk/arch/mips32/include/barrier.h
/kernel/trunk/arch/mips32/include/cp0.h
/kernel/trunk/arch/mips32/src/interrupt.c
/kernel/trunk/arch/mips32/src/mips32.c
/kernel/trunk/generic/include/time/clock.h
/kernel/trunk/generic/src/ipc/sysipc.c
/kernel/trunk/generic/src/main/main.c
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/time/clock.c
1428 6563 d 5 h palkovsky /kernel/trunk/generic/ Added 256K slab, so that AMD can boot (until ELF loader is fixed).
Added AS_AREA_RECV so that the caller can receive AS_AREA.
 
/kernel/trunk/generic/include/ipc/ipc.h
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/include/mm/slab.h
/kernel/trunk/generic/src/ipc/sysipc.c
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/mm/slab.c
1426 6563 d 7 h jermar /kernel/trunk/generic/src/mm/ Support for sharing address space areas backed up by ELF image.  
/kernel/trunk/generic/src/mm/backend_anon.c
/kernel/trunk/generic/src/mm/backend_elf.c
1425 6563 d 8 h jermar /kernel/trunk/generic/ Make address space backend data a union.  
/kernel/trunk/generic/include/elf.h
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/src/ddi/ddi.c
/kernel/trunk/generic/src/lib/elf.c
/kernel/trunk/generic/src/mm/backend_anon.c
/kernel/trunk/generic/src/mm/backend_elf.c
/kernel/trunk/generic/src/mm/backend_phys.c
1424 6563 d 11 h jermar /kernel/trunk/ Move the sharing functionality to address space area backends.
Add backend for continuous regions of physical memory.
Sharing for these areas works automagically now.
 
/kernel/trunk/generic/src/mm/backend_anon.c
/kernel/trunk/generic/src/mm/backend_elf.c
/kernel/trunk/generic/src/mm/backend_phys.c
/kernel/trunk/Makefile
/kernel/trunk/genarch/src/mm/page_ht.c
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/src/ddi/ddi.c
/kernel/trunk/generic/src/lib/elf.c
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/proc/task.c
1423 6563 d 15 h jermar /kernel/trunk/ Update page fault handlers to distinguish between different access modes that had caused the page fault.  
/kernel/trunk/arch/amd64/include/mm/page.h
/kernel/trunk/arch/ia32/include/mm/page.h
/kernel/trunk/arch/mips32/include/mm/page.h
/kernel/trunk/arch/ppc32/include/mm/page.h
/kernel/trunk/arch/ppc64/include/mm/page.h
/kernel/trunk/genarch/include/mm/page_ht.h
/kernel/trunk/genarch/include/mm/page_pt.h
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/src/lib/elf.c
/kernel/trunk/generic/src/mm/as.c
1417 6565 d 7 h jermar /kernel/trunk/generic/ Modify as_area_share() to accept destination area flags bitmask from the sender
(i.e. the sender can limit access mode to the shared area for the recipient).
Modify IPC_M_AS_AREA_SEND code to support this. Arguments for sender: arg1=as_area,
arg2=size, arg3=flags_mask.

The mechanism seems to work, but the page fault handlers need to be altered to
distinguish between faults under different access modes.
 
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/src/ipc/sysipc.c
/kernel/trunk/generic/src/mm/as.c
1415 6565 d 19 h jermar /kernel/trunk/generic/ Some renaming to prevent confusion.
as_lock -> inactive_as_with_asid_lock
as_t::refcount -> as_t::cpu_refcount
 
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/src/mm/as.c
1413 6566 d 6 h jermar /kernel/trunk/generic/ Reimplement memory sharing. Currently, only
anonymous address space areas can be shared.
 
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/src/ipc/sysipc.c
/kernel/trunk/generic/src/mm/as.c
1411 6566 d 11 h jermar /kernel/trunk/ Modify the hierarchy of page fault handlers to pass access mode that caused the fault.
Architectures are required to pass either PF_ACCESS_READ, PF_ACCESS_WRITE or PF_ACCESS_EXEC
to as_page_fault(), depending on the cause of the fault.
 
/kernel/trunk/arch/amd64/include/mm/page.h
/kernel/trunk/arch/amd64/src/mm/page.c
/kernel/trunk/arch/ia32/include/interrupt.h
/kernel/trunk/arch/ia32/include/mm/page.h
/kernel/trunk/arch/ia32/src/interrupt.c
/kernel/trunk/arch/ia32/src/mm/page.c
/kernel/trunk/arch/ia64/src/mm/tlb.c
/kernel/trunk/arch/mips32/src/mm/tlb.c
/kernel/trunk/arch/ppc32/src/mm/page.c
/kernel/trunk/arch/ppc64/src/mm/page.c
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/include/mm/page.h
/kernel/trunk/generic/src/lib/elf.c
/kernel/trunk/generic/src/mm/as.c
1409 6567 d 5 h jermar /kernel/trunk/generic/ Some shared memory stuff (not completed).
Support for address space area backends.
Add ELF and anonymous memory backends.
 
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/src/ddi/ddi.c
/kernel/trunk/generic/src/lib/elf.c
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/proc/task.c
1403 6568 d 19 h jermar /kernel/trunk/generic/src/mm/ Fixes of the used_space management code.
Switch as_area_destroy() and as_area_resize() to use the used_space map.
as_area_steal() not switched as it will undergo further changes.
 
/kernel/trunk/generic/src/mm/as.c
1387 6569 d 13 h jermar /kernel/trunk/generic/ Add used_space_insert() and used_space_remove().
These are the alpha versions of functions that
will help to map used and unused portions of address
space areas. Currently unused, but many as_area operations
will be more efficient when the used space B+tree map
is used.
 
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/src/mm/as.c
1383 6570 d 6 h decky /kernel/trunk/ ppc32: hardware memory mapping, kernel PHT refill fix  
/kernel/trunk/arch/ppc32/src/mm/page.c
/kernel/trunk/generic/src/mm/as.c
1380 6570 d 9 h jermar /kernel/trunk/ Turn address space lock, address space area lock and
page_ht_lock into mutexes.
 
/kernel/trunk/genarch/include/mm/page_ht.h
/kernel/trunk/genarch/src/mm/as_ht.c
/kernel/trunk/genarch/src/mm/as_pt.c
/kernel/trunk/genarch/src/mm/asid.c
/kernel/trunk/genarch/src/mm/page_ht.c
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/include/synch/mutex.h
/kernel/trunk/generic/include/typedefs.h
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/proc/scheduler.c
1358 6574 d 11 h jermar /kernel/trunk/generic/ Cleanup after removal of as_area_accept and as_area_send.  
/kernel/trunk/generic/include/mm/as_arg.h
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/include/proc/task.h
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/proc/task.c
1329 6576 d 11 h palkovsky /kernel/trunk/generic/ Added support to IPC for simple page sharing.  
/kernel/trunk/generic/include/ipc/ipc.h
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/include/syscall/syscall.h
/kernel/trunk/generic/src/ipc/sysipc.c
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/syscall/syscall.c
1309 6579 d 10 h jermar /kernel/trunk/generic/src/mm/ On as_area_destroy(), mark the area as partial before unlocking and free its
structure after unlocking.
 
/kernel/trunk/generic/src/mm/as.c
1306 6579 d 12 h jermar /kernel/trunk/generic/ Add SYS_AS_AREA_DESTROY syscall.
Add few error codes to errno.h
and change as.c accordingly.
 
/kernel/trunk/generic/include/errno.h
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/include/syscall/syscall.h
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/syscall/syscall.c
1297 6583 d 13 h jermar /kernel/trunk/ Add SYS_CAP_GRANT and SYS_CAP_REVOKE syscalls.
Move SYS_PREEMPT_CONTROL to ddi.c.
Add some comments and fix some small issues.
 
/kernel/trunk/generic/include/syscall/sysarg64.h
/kernel/trunk/doc/mm
/kernel/trunk/generic/include/ddi/ddi.h
/kernel/trunk/generic/include/security/cap.h
/kernel/trunk/generic/include/syscall/syscall.h
/kernel/trunk/generic/src/ddi/ddi.c
/kernel/trunk/generic/src/ipc/sysipc.c
/kernel/trunk/generic/src/main/kinit.c
/kernel/trunk/generic/src/mm/tlb.c
/kernel/trunk/generic/src/security/cap.c
/kernel/trunk/generic/src/syscall/syscall.c
1288 6585 d 16 h jermar /kernel/trunk/ Complete implementation of copy_from_uspace() and copy_to_uspace()
for amd64 and ia32. Other architectures still compile and run,
but need to implement their own assembly-only memcpy(), memcpy_from_uspace(),
memcpy_to_uspace() and their failover parts. For these architectures
only dummy implementations are provided.
 
/kernel/trunk/generic/include/syscall/copy.h
/kernel/trunk/generic/src/syscall/copy.c
/kernel/trunk/Makefile
/kernel/trunk/arch/amd64/include/interrupt.h
/kernel/trunk/arch/amd64/src/asm_utils.S
/kernel/trunk/arch/amd64/src/mm/page.c
/kernel/trunk/arch/ia32/include/interrupt.h
/kernel/trunk/arch/ia32/src/asm.S
/kernel/trunk/arch/ia32/src/boot/boot.S
/kernel/trunk/arch/ia32/src/interrupt.c
/kernel/trunk/arch/ia64/include/interrupt.h
/kernel/trunk/arch/ia64/src/asm.S
/kernel/trunk/arch/ia64/src/mm/tlb.c
/kernel/trunk/arch/mips32/include/exception.h
/kernel/trunk/arch/mips32/src/asm.S
/kernel/trunk/arch/mips32/src/mm/tlb.c
/kernel/trunk/arch/ppc32/include/exception.h
/kernel/trunk/arch/ppc32/include/interrupt.h
/kernel/trunk/arch/ppc32/src/asm.S
/kernel/trunk/arch/ppc32/src/mm/tlb.c
/kernel/trunk/arch/sparc64/include/interrupt.h
/kernel/trunk/arch/sparc64/src/asm.S
/kernel/trunk/generic/include/interrupt.h
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/include/mm/page.h
/kernel/trunk/generic/include/proc/thread.h
/kernel/trunk/generic/src/ddi/ddi.c
/kernel/trunk/generic/src/ipc/irq.c
/kernel/trunk/generic/src/ipc/sysipc.c
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/mm/slab.c
/kernel/trunk/generic/src/printf/vsnprintf.c
/kernel/trunk/generic/src/proc/task.c
/kernel/trunk/generic/src/proc/thread.c
/kernel/trunk/generic/src/smp/ipi.c
/kernel/trunk/generic/src/synch/waitq.c
1269 6589 d 9 h decky /kernel/trunk/ PHT Refill handler  
/kernel/trunk/arch/ppc32/include/mm/tlb.h
/kernel/trunk/arch/ppc32/src/drivers/cuda.c
/kernel/trunk/arch/ppc32/src/exception.S
/kernel/trunk/arch/ppc32/src/mm/tlb.c
/kernel/trunk/generic/src/mm/frame.c
1248 6593 d 11 h jermar /kernel/trunk/ Add some @file doxygen comments and improve already existing comments.  
/kernel/trunk/genarch/src/mm/page_ht.c
/kernel/trunk/genarch/src/mm/page_pt.c
/kernel/trunk/generic/src/adt/bitmap.c
/kernel/trunk/generic/src/adt/btree.c
/kernel/trunk/generic/src/adt/hash_table.c
/kernel/trunk/generic/src/adt/list.c
/kernel/trunk/generic/src/ddi/ddi.c
/kernel/trunk/generic/src/debug/symtab.c
/kernel/trunk/generic/src/ipc/sysipc.c
/kernel/trunk/generic/src/lib/elf.c
/kernel/trunk/generic/src/main/kinit.c
/kernel/trunk/generic/src/main/main.c
/kernel/trunk/generic/src/main/uinit.c
/kernel/trunk/generic/src/mm/as.c
/kernel/trunk/generic/src/mm/buddy.c
/kernel/trunk/generic/src/mm/frame.c
/kernel/trunk/generic/src/mm/page.c
/kernel/trunk/generic/src/mm/slab.c
/kernel/trunk/generic/src/mm/tlb.c
/kernel/trunk/generic/src/proc/scheduler.c
/kernel/trunk/generic/src/proc/task.c
/kernel/trunk/generic/src/proc/the.c
/kernel/trunk/generic/src/proc/thread.c
/kernel/trunk/generic/src/synch/condvar.c
/kernel/trunk/generic/src/synch/futex.c
/kernel/trunk/generic/src/synch/mutex.c
/kernel/trunk/generic/src/synch/rwlock.c
/kernel/trunk/generic/src/synch/semaphore.c
/kernel/trunk/generic/src/synch/waitq.c