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1428 6559 d 9 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
1424 6559 d 14 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 6559 d 19 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 6561 d 11 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 6561 d 23 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 6562 d 10 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 6562 d 15 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 6563 d 9 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 6564 d 23 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 6565 d 17 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 6566 d 10 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 6566 d 13 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 6570 d 15 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 6572 d 15 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 6575 d 14 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 6575 d 16 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
1288 6581 d 20 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
1248 6589 d 15 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
1239 6590 d 14 h jermar /kernel/trunk/generic/ Prevent race in as_area_send() by allowing the address space area to be
created with AS_AREA_ATTR_PARTIAL attribute.
 
/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
1238 6590 d 15 h jermar /kernel/trunk/generic/ Rename SYS_AS_AREA_SHARE_APPROVE and SYS_AS_AREA_SHARE_PERFORM, resp., to
SYS_AS_AREA_ACCEPT and SYS_AS_AREA_SEND, resp. in syscall_t.

Fix prototype of as_area_send() to take only base address of the address
space area as a parameter and read size and flags from the address space
area found at this base address.
 
/kernel/trunk/generic/include/mm/as.h
/kernel/trunk/generic/include/mm/as_arg.h
/kernel/trunk/generic/include/syscall/syscall.h
/kernel/trunk/generic/src/mm/as.c

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