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Rev Age Author Path Log message Diff
1387 6588 d 14 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.		  
1383 6589 d 6 h decky /kernel/trunk/ ppc32: hardware memory mapping, kernel PHT refill fix  
1380 6589 d 9 h jermar /kernel/trunk/ Turn address space lock, address space area lock and
page_ht_lock into mutexes.		  
1358 6593 d 12 h jermar /kernel/trunk/generic/ Cleanup after removal of as_area_accept and as_area_send.  
1329 6595 d 12 h palkovsky /kernel/trunk/generic/ Added support to IPC for simple page sharing.  
1309 6598 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.		  
1306 6598 d 13 h jermar /kernel/trunk/generic/ Add SYS_AS_AREA_DESTROY syscall.
Add few error codes to errno.h
and change as.c accordingly.		  
1288 6604 d 17 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.		  
1248 6612 d 12 h jermar /kernel/trunk/ Add some @file doxygen comments and improve already existing comments.  
1239 6613 d 11 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.		  
1238 6613 d 12 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.		  
1236 6613 d 17 h jermar /kernel/trunk/generic/ Add frame_reference_add().  
1235 6613 d 17 h jermar /kernel/trunk/generic/ Implementation of SYS_AS_AREA_ACCEPT and SYS_AS_AREA_SEND syscalls.
Note that these replace previously declared SYS_AS_AREA_SHARE_APPROVE
and SYS_AS_AREA_SHARE_PERFORM.		  
1233 6615 d 9 h jermar /kernel/trunk/generic/src/mm/ Do not allow zero size address space areas.  
1227 6616 d 13 h jermar /kernel/trunk/ Reorganize syscall names to better correspond to kernel architecture.
Add dummy placeholders for SYS_AS_AREA_SHARE_APPROVE and
SYS_AS_AREA_SHARE_PERFORM syscalls.		  
1179 6627 d 12 h jermar /kernel/trunk/generic/src/mm/ Add some sanity checks to make sure the address space created by SYS_MAM_PHYSMEM will not be remapped
and that as_page_fault() will not try to service page fault for that area.		  
1178 6627 d 12 h jermar /kernel/trunk/ Add task_find_by_id().
Add kernel support for SYS_MAP_PHYSMEM.		  
1150 6635 d 20 h jermar /kernel/trunk/generic/ Rename btree_node_left_sibling() to btree_leaf_node_left_neighbour()
and btree_node_right_sibling() to btree_leaf_node_right_neighbour()
as the left and right neighbours of a node needn't be its siblings.		  
1148 6636 d 6 h jermar /kernel/trunk/generic/src/ s/B+-tree/B+tree/  
1147 6636 d 7 h jermar /kernel/trunk/generic/ Deploy B+tree in address space area management.
Change as_remap() to check for conflicts with other address space areas only when the area in question grows.		  
1108 6648 d 6 h jermar /kernel/trunk/ Small PTE_* macros and SET_PTL0_ADDRESS macro changes.  
1076 6653 d 15 h jermar /kernel/trunk/generic/src/mm/ Unlock address space area when returning error.  
1070 6653 d 19 h jermar /kernel/trunk/ More checks for address space area conflicts.  
1048 6654 d 14 h jermar /kernel/trunk/generic/ Restore interrupts when failing in as_remap().
Add check_area_conflicts() that checks whether address area overlaps with other areas.
Refuse to create writeable executable address space areas.
Rename as_area_t::size to as_area_t::pages.		  
1044 6654 d 16 h jermar /kernel/trunk/ Page table locking.  
1026 6655 d 5 h jermar /kernel/trunk/generic/ Support only anonymous address space areas.  
983 6656 d 13 h palkovsky /kernel/trunk/ Fixed shrinking of as area.  
980 6656 d 14 h palkovsky /kernel/trunk/ Small speed update of ipc.
Fixed some bugs regarding pages in mremap.		  
977 6656 d 15 h jermar /kernel/trunk/ Add sys_mremap() syscall.  
973 6656 d 17 h palkovsky /kernel/trunk/generic/ Added simpler userspace starting.  
840 6683 d 15 h jermar /kernel/trunk/ Fix filling of hardcoded_ktext_size and hardcoded_kdata_size to use 64 bit stores on ia64.  
823 6690 d 5 h jermar /kernel/trunk/ Reimplement ASID stealing logic.
This time, hopefully, with correct synchronization.		  
822 6690 d 6 h palkovsky /kernel/trunk/ Changed malloc to include second parameter and documented
recommended usage.
Added zone merging, made ia32 & amd64 to merge found zones.		  
814 6690 d 16 h palkovsky /kernel/trunk/ Cleanup o frame allocator.
Removed early_malloc & initial heap.
Will break ia64, ppc & sparc.
Added e820 table print.		  
792 6692 d 14 h jermar /kernel/trunk/ Page hash table architectures now use generic hash table to manage
mappings.		  
789 6693 d 7 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 6693 d 11 h jermar /kernel/trunk/ Move list and fifo data types to adt/.  
786 6693 d 13 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		  
778 6694 d 10 h palkovsky /kernel/trunk/ Fixed boot process not to call malloc when slab not initialized.
Added simics workaround.		  
771 6695 d 6 h palkovsky /kernel/trunk/generic/ Implemented malloc/free as SLABs.