printf实现流程上会调用cmd为TIOCGWINSZ的ioctl命令，该命令的实现
在console层ConsoleGetWinSize函数中，而此函数copy结果时使用函数
LOS_ArchCopyToUser，由于该过程在内核态，导致LOS_ArchCopyToUser失败，
从而引发printf无法正常打印的问题。

close: #I3UG00
Signed-off-by: Nzhangfanfan <zhangfanfan2@huawei.com>
Change-Id: I3e85f682429cbe30842206842ddb2a8388ec8412

1. 修复可能对NULL指针解引用的场景
2. 将不修改内容的指针入参修改为const
3. 对getpgrp的返回值进行校验后再使用
4. 修复了局部变量未初始化的问题

Close #I3UOFN
Signed-off-by: NFar <yesiyuan2@huawei.com>

support turn off as many features as possible.
current only libc and posix and bsd can not be turned off.
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I1e97570c67593207a56dc11f357eca4b4a018bfd

closes #I3U4N9
Signed-off-by: NGuangyao Ma <guangyao.ma@outlook.com>
Change-Id: Ic4c4c7442cd381d03d2e40a51655a17299c4c250

close：#I3SWY2

Change-Id: Ied2a5828ffb682903e291dab4088020033d79230
Signed-off-by: Narvinzzz <fcykztyu@163.com>

close: #I3T5HR
Change-Id: I2e2452d59c82726614fb78d1177d3f0f03d6e315
Signed-off-by: Narvinzzz <fcykztyu@163.com>

Change-Id: I7f0b44c15a296bd8d15f0bf1fbdde60f67bb0a6c

close: #I3SBYN

close: #I3SDKY

Change-Id: I5ed9356ce2b55b6e07c3f192cdbc4a4f6fbfaa58

close: #I3I768

Change-Id: I4f801df4abe1a9afdf43391c28276e96a5e81513

Change-Id: Ia14a3413b6c974771cef2e147083c7748abd1c59

Change-Id: I4c895bf7278b50d7ddf65e9556d77221b0c7ca32

add open in console dev init process

Change-Id: Ibf9801462d6de231001f094d4e75f01cad50da1f

Change-Id: I0a6e6f2962ca6904c858898eb93a5b2f93e85b69

storage medium is separated from the shell module.

Change-Id: Id56939001d70bb92d9cc02bd7c9f55ca8b61cf5b

issue#I3O8IF的修改中，将fat无法识别的格式错误码由ENOENT改为ENOTSUP。此处修改有遗漏，造成无fat格式的userdata分区无法挂载。

feat: Add /dev/quickstart to support synchronous communication between processes in user mode startup.

Add /dev/quickstart to support synchronous communication between processes in user mode startup.
Support ioctl cmd:
 QUICKSTART_LISTEN,QUICKSTART_STAGE1,QUICKSTART_STAGE2,QUICKSTART_STAGE3,QUICKSTART_UNREGISTER only for init process;
 QUICKSTART_NOTIFY for other app process.

Close #I3OHO5

Change-Id: If6a56123be93a5bc6b6d1069abda8d872b15fae1

Provide a separate configuration macro for boot environment in RAM.
Depends on: Need to copy boot environment data to the specified ram by boot.

Closes #I3OADR

Change-Id: Ie36a92c0a44f245482d1602c3a6851395944776d

Change-Id: I052d930d54e63179b17b77f02c107a015f3cfc3f

1. Bcache block with high mem address is after lower mem address in RCU list when initing bcache.
2. Format will clear the bcache before writing the FAT.
3. The fatfs_readdir use the bcache writing block to reduce the chance of data switching out
4. Add performance analysing macron switch

Change-Id: I8fbc48418509d2e660d725d2c265266e931c26f8

Change-Id: Ie48b96fe9c8ab036d7234b56a169d6668171a895

Description:Fix limits.h & Adjust some macro definition positions.
Feature or Bugfix:Bugfix
Binary Source:NA

Change-Id: Ia53c1b4b83f60862ac24c5c14a87883fe0af6db0

Description: Fix the problem that the actual implementation of the function does not match the description.

Change-Id: Icdbc0182efc023734ccbe7e80b1926d64a18d01c

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

Change-Id: Ie1029c8fbc0c1b85c138663933118d2d148b7769

Change-Id: I94175fa89a61f4f08d9f921203bedfc2dd9e53e4

Change-Id: I6f7c469e96da9cc89c5c33bf7a9afe19625e175f

Feature or Bugfix:Feature
Binary Source:Huawei
PrivateCode(Yes/No):Yes

Change-Id: I175d2648bc6f9078c34de2c0a5c93fda10b86c47
ChangeID:13306388

Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I3c93fd703eb184d946f25a7f6be3c70124b469c1

Reviewed-by: shenwei and zhangfanfan