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Rev Age Author Path Log message Diff Changes
1544 6582 d 8 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 6582 d 14 h cejka /kernel/trunk/generic/src/mm/ Fixed warning about unused variable in non-debug mode.  
/kernel/trunk/generic/src/mm/backend_phys.c
1507 6583 d 8 h vana /kernel/trunk/ IA64 uspace keyboard kernel part  
/kernel/trunk/arch/ia64/include/arch.h
/kernel/trunk/arch/ia64/include/interrupt.h
/kernel/trunk/arch/ia64/include/ski/ski.h
/kernel/trunk/arch/ia64/src/ia64.c
/kernel/trunk/arch/ia64/src/interrupt.c
/kernel/trunk/arch/ia64/src/ski/ski.c
/kernel/trunk/generic/include/ipc/irq.h
/kernel/trunk/generic/src/ipc/irq.c
1502 6583 d 10 h jermar /kernel/trunk/ Replace nonblocking argument of waitq_sleep_timeout with flags that specify mode of operation.
Now a flag can be used to specify interruptible sleep.
Modify waitq_interrupt_sleep() to only interrupt threads that used this flag.
O
 
/kernel/trunk/arch/ia32/src/smp/smp.c
/kernel/trunk/generic/include/ipc/ipc.h
/kernel/trunk/generic/include/proc/thread.h
/kernel/trunk/generic/include/synch/condvar.h
/kernel/trunk/generic/include/synch/futex.h
/kernel/trunk/generic/include/synch/mutex.h
/kernel/trunk/generic/include/synch/rwlock.h
/kernel/trunk/generic/include/synch/semaphore.h
/kernel/trunk/generic/include/synch/synch.h
/kernel/trunk/generic/include/synch/waitq.h
/kernel/trunk/generic/src/ipc/ipc.c
/kernel/trunk/generic/src/ipc/sysipc.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
1495 6583 d 21 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
1494 6583 d 22 h palkovsky /kernel/trunk/generic/ Removes unnecessary parameter for map_physmem syscall.  
/kernel/trunk/generic/include/ddi/ddi.h
/kernel/trunk/generic/src/ddi/ddi.c
1484 6584 d 8 h palkovsky /kernel/trunk/generic/include/ Added EINVAL error code.  
/kernel/trunk/generic/include/errno.h
1483 6584 d 8 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
1474 6585 d 0 h palkovsky /kernel/trunk/ Added syscall that lets kernel regain access to keyboard.  
/kernel/trunk/arch/amd64/src/amd64.c
/kernel/trunk/arch/ia32/src/ia32.c
/kernel/trunk/arch/ia64/src/ia64.c
/kernel/trunk/arch/mips32/include/drivers/msim.h
/kernel/trunk/arch/mips32/src/console.c
/kernel/trunk/arch/mips32/src/drivers/msim.c
/kernel/trunk/arch/mips32/src/mips32.c
/kernel/trunk/arch/ppc32/src/ppc32.c
/kernel/trunk/arch/ppc64/src/ppc64.c
/kernel/trunk/arch/sparc64/src/sparc64.c
/kernel/trunk/genarch/include/i8042/i8042.h
/kernel/trunk/genarch/src/i8042/i8042.c
/kernel/trunk/generic/include/console/console.h
/kernel/trunk/generic/include/syscall/syscall.h
/kernel/trunk/generic/src/console/cmd.c
/kernel/trunk/generic/src/syscall/syscall.c
1468 6585 d 6 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
1467 6585 d 6 h jermar /kernel/trunk/generic/src/synch/ Allow usage of blocking synchronization primitives in functions that are also called during system initialization.  
/kernel/trunk/generic/src/synch/waitq.c
1461 6585 d 8 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
1460 6585 d 10 h jermar /kernel/trunk/generic/ Reference counting for futexes.  
/kernel/trunk/generic/include/proc/task.h
/kernel/trunk/generic/include/synch/futex.h
/kernel/trunk/generic/src/proc/task.c
/kernel/trunk/generic/src/synch/futex.c
1458 6586 d 0 h palkovsky /kernel/trunk/ Added console support to gxemul.
Wider information in thread list.
 
/kernel/trunk/arch/mips32/src/mips32.c
/kernel/trunk/contrib/conf/gxemul.sh
/kernel/trunk/generic/src/proc/thread.c
1457 6586 d 0 h jermar /kernel/trunk/generic/src/time/ Project missed_clock_ticks also on thread timeslice and run queue relink counter.  
/kernel/trunk/generic/src/time/clock.c
1448 6587 d 5 h palkovsky /kernel/trunk/generic/src/syscall/ Better SYS_IO  
/kernel/trunk/generic/src/syscall/syscall.c
1440 6587 d 22 h palkovsky /kernel/trunk/generic/include/ Added error code for timeouts.  
/kernel/trunk/generic/include/errno.h
1438 6588 d 0 h palkovsky /kernel/trunk/generic/ Correct realtime clock communication.  
/kernel/trunk/generic/include/print.h
/kernel/trunk/generic/src/time/clock.c
1437 6588 d 1 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 6588 d 2 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 6588 d 4 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
1433 6588 d 7 h jermar /kernel/trunk/generic/src/time/ Fix critical bug in timeout processing introduced several hours ago.  
/kernel/trunk/generic/src/time/clock.c
1431 6588 d 11 h jermar /kernel/trunk/generic/ Add missed_clock_ticks to CPU structure so that clock() can detect missed timer interrupts.
Architectures are required to support this in order to make time keeping accurate.
 
/kernel/trunk/generic/include/cpu.h
/kernel/trunk/generic/src/time/clock.c
1429 6588 d 12 h jermar /kernel/trunk/generic/ Make ddi_physmem_map() accept address space area flags instead of writable switch.
Thus even these types of address space areas can turn caching on, if it is desired.
 
/kernel/trunk/generic/include/ddi/ddi_arg.h
/kernel/trunk/generic/src/ddi/ddi.c
1428 6588 d 23 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 6589 d 0 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 6589 d 2 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 6589 d 4 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 6589 d 8 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 6591 d 1 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
1416 6591 d 12 h jermar /kernel/trunk/generic/ Make implementation of condition variables compliant with their definition.
Signal operation must become a no-op if there is no thread in the wait operation.
Remove condvar_trywait() which has no meaning after this change.
 
/kernel/trunk/generic/include/synch/condvar.h
/kernel/trunk/generic/src/synch/condvar.c
1415 6591 d 13 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
1414 6591 d 13 h jermar /kernel/trunk/generic/src/synch/ Small fixes in futex.c.
PTE_GET_FRAME() returns frame address, not PFN.
Update comments.
 
/kernel/trunk/generic/src/synch/futex.c
1413 6592 d 0 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 6592 d 5 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 6592 d 23 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 6594 d 12 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
1396 6595 d 2 h palkovsky /kernel/trunk/ Fixed mips to compile with fb (missing hw_map).
Fixed mips hw virt/phys addresses of fb.
Moved fb_init to post_mm, because it needs malloc().
 
/kernel/trunk/arch/mips32/src/console.c
/kernel/trunk/arch/mips32/src/mips32.c
/kernel/trunk/arch/mips32/src/mm/page.c
/kernel/trunk/generic/src/ipc/sysipc.c
1389 6595 d 3 h decky /kernel/trunk/ minor changes
ppc32: identically map the whole physical memory
fix page hash table refill logic
 
/kernel/trunk/arch/ppc32/src/mm/page.c
/kernel/trunk/generic/src/main/main.c
1387 6595 d 7 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