Commit Graph

17 Commits

Author SHA1 Message Date
Shell f00db6381a
[mm] precise & readable mm fault type (#9047)
* [smart] fixup: precise mm fault type

Also, fixup arm64 read access fault

* arm64: using meaningful macro on trap

* fixup: renaming macro
2024-06-07 21:34:03 +08:00
Shell 9ba6cec663
[libcpu/arm64] dealing with mem region out of kernel space (#8847)
* [ofw] dealing with mem region out of kernel space

- Fix parameter checking in _out_of_range() that NULL is excluded for
  fixed mapping
- Split page install with a deferred stage to avoid mapping over
  ARCH_EARLY_MAP_SIZE

Signed-off-by: Shell <smokewood@qq.com>

* fixup: restrict vstart for using of RT_NULL

---------

Signed-off-by: Shell <smokewood@qq.com>
2024-05-08 09:23:31 +08:00
Shell 53754ff50a
[fixup] check NULL pointer before access (#8573)
Signed-off-by: Shell <smokewood@qq.com>
2024-03-02 16:05:19 +08:00
geniusgogo 7aa130c83c
update mm. (#8334) 2023-12-05 16:44:00 +08:00
Shell e94b759160 [quality] fixup: vulnerability in kernel
including out-of-bound access in dfs, and use-after-free in
aspace_traversal

Signed-off-by: Shell <smokewood@qq.com>
2023-10-25 18:40:44 +08:00
Shell fb78a71020
[smart] replace varea pgmgr and fixup of dfs mmap (#8184)
Signed-off-by: shell <smokewood@qq.com>
Signed-off-by: Shell <smokewood@qq.com>
2023-10-25 14:59:48 +08:00
geniusgogo ecd29fda60
Sync dfs lwp (#8123) 2023-10-17 13:07:59 +08:00
Shell d862816a51
[components/mm] add unmap page API (#7834)
Signed-off-by: Shell <smokewood@qq.com>
2023-08-16 15:38:59 +08:00
Shell 470454d201
[components/mm] support for scalable memory management (#7277)
* [mm/page] multi-list page manager
[mm/page] page debugger
[libcpu/aarch64] hugepage support

* [quality] remove void-arith

* [format] remove kasan codes
2023-04-22 23:59:11 +08:00
Shell 897ba365ba
[fix] compilation error from rpi (#7143)
* [fix] compile error from rpi
2023-03-31 20:58:01 +08:00
Shell eec78d9f5d
[rt-smart] testcase & improvements for memory management (#7099)
* [utest/mm] add testcase for create/init
format codes of create/init in components/mm

* [libcpu/aarch64] fix user stack check routine

* [kservice] export API for utest

* [utest/mm] testcase for aspace_map
format & modify the files under components/mm related with aspace_map

* [lwp/user_mm] add user_map_varea for mmap feature

* [mm] rename rt_mm_fault_try_fix to rt_aspace_fault_try_fix

* [utest/mm] testcase for synchronization

* [mm] modify unmap api to improve throughput

* [utest/mm] testcases for cache and varea map

* [format] remove extra space

* [utest/mm] fix testcase problem in header

* [lwp] extend map_user_varea with a flag

* [utest/mm] testcase for lwp_map_user_varea

* [libcpu/arm/cortex-a] fix kernel space layout

* [utest/mm] adjust for armv7 arch
2023-03-30 08:25:15 +08:00
Shell dd2f1a795a
[rt-smart] fix competition on aspace (#7064)
* [mm] mmu operations should be wrapped by _aspace_bst_insert & _aspace_bst_remove to avoid competition on page table

* [lwp] may not return null on failed
2023-03-19 14:41:50 +08:00
Shell 0de21341f9
[fix] mm bugs (#7010)
* [fix] implementation fault on avl

* [fix] mm may free varea allocated statically

* [test] add test and benchmark for avl
2023-03-03 11:51:21 +08:00
wangxiaoyao 855aef9c9c [mm] distinguish NULL and MAP_FAILED 2023-02-21 08:48:49 +08:00
Shell 2d09749086
[rt-smart] PV_OFFSET as a variable (#6904)
* [rt-smart/mem] remove pv_offset

* [rt-smart] list kernel space command

* [rt-smart] restore ioremap region

* [revert] restore kernel space isolation

* [rt-smart/pv_off] code format

* [rt-smart] add get_pvoff()

* [pvoffset] pvoff as constant for C codes

* [pvoff] pvoff as interfaces
2023-02-14 23:08:32 +08:00
Shell f0dadcb3c3
[rt-smart] porting c906 and D1s to mm (#6848)
* [rv64/bsp] porting to mm

* [mm] report more info for debugging

* [fix] code format

* [libcpu/c906] porting to RTOS

* [fix] using rtdbg api

* [fix] add return

* [fix] report more information for debugging

* [fix] use assert 0 for unrecoverable error
2023-01-16 08:24:03 +08:00
Shell 7450ef6c4d
[rt-smart] kernel virtual memory management layer (#6809)
synchronize virtual memory system works.
adding kernel virtual memory management layer for page-based MMU enabled architecture
porting libcpu MMU codes
porting lwp memory related codes
2023-01-08 21:08:55 -05:00