Signed-off-by: Nyafeng_wang <wangyafeng15@huawei.com>

close #I3Y5KE
Signed-off-by: NGuangyao Ma <guangyao.ma@outlook.com>
Change-Id: Iea3cfe4da572b1a4e250f90cea24efa2c27ceddb

给开发者提供系统信息DUMP机制，帮助开发者观察系统功能状态，发现潜在问题。

Close #I3NN7D
Signed-off-by: Nqidechun <qidechun@huawei.com>

1、在内核增加BlackBox核心框架，对外提供模块回调接口注册和故障处理接口。
2、增加默认的系统模块适配层，处理通用内核态和用户态故障日志抓取和保存。
3、BBOX特性默认关闭，若想使用此特性，请在内核配置文件中增加如下编译选项：
LOSCFG_BLACKBOX=y
LOSCFG_SAVE_EXCINFO=y
LOSCFG_SAVE_EXCINFO可以帮助抓取更多的故障日志。
4、若已经打开BBOX特性，想快速验证此特性，请添加如下编译选项：
LOSCFG_HIDUMPER=y

Close #I406NP
Signed-off-by: Nqidechun <qidechun@huawei.com>

Close #I3VEOG

Change-Id: Ibc73aacf68c65e64b88084edfd3549b3137dde07
Signed-off-by: NGuangyao Ma <guangyao.ma@outlook.com>

kconfiglib support the kconfig macro language,
we need this feature to handle product related
Kconfig configuration.
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I6bb521e93aab6c67b8bc3ac664b64f5e52089a45

fix compile errors in minimal compilation
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I48f4f7b27c684e2c747c1949776c5c4f9e383dec

1、在内核增加BlackBox核心框架，对外提供模块回调接口注册和故障处理接口。
2、增加默认的系统模块适配层，处理通用内核态和用户态故障日志抓取和保存。

Close #I3NN7V
Signed-off-by: Nqidechun <qidechun@huawei.com>

Change-Id: I0a73f0de3c25e427362fe9d96547c4d847448dda
Signed-off-by: Nkevin <liufeihu@huawei.com>

Signed-off-by: Nkevin <liufeihu@huawei.com>
Change-Id: I0a73f0de3c25e427362fe9d96547c4d847448dda

LiteOS_a中有部分配置宏进行了重复冗余定义，导致当头文件未被包含时，极易引入错误，
故对menuconfig配置宏进行统一处理，均使用#ifdef/#ifndef作为预编译判断方式

Close #I3YEGS

Change-Id: Ife6db770cc66de1d6199a4f3ba3950e9bfd0e71a
Signed-off-by: Nboxi <lewis.liulei@huawei.com>

Signed-off-by: Nlaokz <laokz@foxmail.com>
Change-Id: I0eece39921292498243bd017f168f953a437731c

功能描述：
  在proc目录下增加power目录，添加powr_mode,power_lock,power_unlock和power_count节点，
  power_mode：节点用于查询和设置系统支持的功耗模式
  power_lock：用于查询和获取低功耗锁，持锁后，将会阻止系统进入低功耗状态
  power_unlock:　用于释放已经持有的低功耗锁，也可查询当前有那些持有低功耗锁
  power_count：用于查询当前持有低功耗锁的个数

Close #I3VS5N

Change-Id: I2e2881cc968eab3c5fa6f9dbd7e8c5e448609407
Signed-off-by: Nzhushengle <zhushengle@huawei.com>

close: I3WTLZ
Signed-off-by: Nmucor <mucorwang@gmail.com>

update lwip version to 2.1.2 for lwip_enhanced

close: #I3WL4J
Signed-off-by: Nliujiandong <liujiandong1@huawei.com>

1.remove redundant headfile in kernel, such as:
  compiler.h;debug.h;automount.h;inode.h;syslog.h;net.h;
2.split fs.h to file.h and driver.h
3.move vnode.h and path_cache.h to vfs/include
4.remove redundant interface and defines

close: #I3RTNR
Signed-off-by: Nmucor <mucorwang@gmail.com>

do not copy or link file from //third_party to this repository,
just use the files needed from its origin.

Change-Id: I43f60d8aa7dc91925b8ace973933de366d6cb589
Signed-off-by: NCaoruihong <crh.cao@huawei.com>

Signed-off-by: Nlzl <sucer_fater@163.com>

Signed-off-by: Nlzl <sucer_fater@163.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

1, this RomFS's codebase is Nuttx romfs, then it is compatible with
Linux RomFS and you can create such a file system using the tool genromfs.
2, there are two major changes against with the original Nuttx romfs:
    1), it is memory-based: all contents of the fs are stored in the
        memory in the very first stage of "mount".
    2), this version of romfs is altered to be compatible with our new
        version of VFS to take advantage of vnode cache and path cache.

close: #I3S0CP

构建环境的分区文件系统格式不同，会引起du命令计算文件夹size不同，当制作fat格式
的rootfs时，计算的rootfs文件夹的size比fat格式下的小， 则会导致mcopy过程出现
disk full错误。当前通过修正du计算的rootfs文件夹size的方式处理该问题。

close: #I3IA06
Signed-off-by: NYOUR_NAME <zhangfanfan2@huawei.com>
Change-Id: I19c66e35c4382d768e020531a869e1e9186032a7

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

Change-Id: I7f0b44c15a296bd8d15f0bf1fbdde60f67bb0a6c

编译工具链的选项不应该依赖单板的宏，否则每增加一块单板都需要去新增配置。

NULL_ADDRESS_PROTECT这个宏配置没有地方使用，去掉冗余宏，内存是一一映射，可以
访问0地址，且不会立马报错，需要这个功能，现在不是一一映射，而且访问空指针会
立马报错，所以不存在这个问题。

close: #I3I768

Change-Id: I4f801df4abe1a9afdf43391c28276e96a5e81513

Change-Id: I0a6e6f2962ca6904c858898eb93a5b2f93e85b69

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

Close #I3NHQ0

Change-Id: I052d930d54e63179b17b77f02c107a015f3cfc3f

Change-Id: Ie48b96fe9c8ab036d7234b56a169d6668171a895

Change-Id: I6f7c469e96da9cc89c5c33bf7a9afe19625e175f

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

Change-Id: I175d2648bc6f9078c34de2c0a5c93fda10b86c47
ChangeID:13306388