| Rev |
Age |
Author |
Path |
Log message |
Diff |
| 1428 |
6545 d 6 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. |
|
| 1424 |
6545 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. |
|
| 1423 |
6545 d 15 h |
jermar |
/kernel/trunk/ |
Update page fault handlers to distinguish between different access modes that had caused the page fault. |
|
| 1417 |
6547 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. |
|
| 1415 |
6547 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 |
|
| 1413 |
6548 d 7 h |
jermar |
/kernel/trunk/generic/ |
Reimplement memory sharing. Currently, only
anonymous address space areas can be shared. |
|
| 1411 |
6548 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. |
|
| 1409 |
6549 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. |
|
| 1403 |
6550 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. |
|
| 1387 |
6551 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. |
|
| 1383 |
6552 d 6 h |
decky |
/kernel/trunk/ |
ppc32: hardware memory mapping, kernel PHT refill fix |
|
| 1380 |
6552 d 9 h |
jermar |
/kernel/trunk/ |
Turn address space lock, address space area lock and
page_ht_lock into mutexes. |
|
| 1358 |
6556 d 11 h |
jermar |
/kernel/trunk/generic/ |
Cleanup after removal of as_area_accept and as_area_send. |
|
| 1329 |
6558 d 11 h |
palkovsky |
/kernel/trunk/generic/ |
Added support to IPC for simple page sharing. |
|
| 1309 |
6561 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 |
6561 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. |
|
| 1288 |
6567 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 |
6575 d 11 h |
jermar |
/kernel/trunk/ |
Add some @file doxygen comments and improve already existing comments. |
|
| 1239 |
6576 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 |
6576 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. |
|