Description: platform directory refactoring
Sig: kernel
Feature or Bugfix: Feature
Binary Source: No

Description:Fix the bug that the code segment and read-only segment can be modified in the uncache mapping area.
Sig:liteos_a
Feature or Bugfix:Bugfix
Binary Source:No

Change-Id: I030489b240d5bcbe088046392d566648fde85f0a

Description:Delete VM to support only kernel mode.
Sig:liteos_a
Feature or Bugfix:Feature
Binary Source:No

Change-Id: Ie1029c8fbc0c1b85c138663933118d2d148b7769

Change-Id: I6f7c469e96da9cc89c5c33bf7a9afe19625e175f

Change-Id: Ia6907482000a06aada11feb4c52347e8f93e73b5

修改region相关：优化OsVmRegionSplit红黑树节点操作，修改OsVmRegionAdjust起始地址不在region时的行为，修复OsIsRegionCanExpand计算错误，更正几处typos

Fix unused function warning treated as error
when KERNEL_DYNLOAD option is switched off.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I21a01ff3d7ecb7b2e65bacbaa985c6390f5e4be7

HiSilicon-specific randomization routine for the __stack_chk_guard
should not be called for other platforms that don't implement
this function.
Fix build for targets that don't link with HiSi libraries when
stack smashing protector is enabled.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I1843c897b32991fddc3d0ba362d188c4a621d052

Currently disabling stack protector will cause build to fail.
This commit will fix that problem and allow to toggle feature
when needed.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: Iee8ccfdb9fce4ba69aa557e2ac915ddc45b2f21e

Change-Id: Ia6c1f6302407a707b3ec9b805f4c92d8a7970b86

Reviewed-by:huangjieliang zhushengle