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To improve the readability of the menuconfig.
Signed-off-by: Shell <[email protected]>
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According to the POSIX.1, we should give a EBUSY on umount(2) of busy
filesystem.
Signed-off-by: Shell <[email protected]>
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This patch introduces a remount feature for the DFS, allowing for the
modification of mount parameters without unmounting the filesystem,
the remount functionality helps modify certain mount flags (like `MS_RDONLY`) without
requiring an unmount, providing more control over mounted filesystems in the system.
The updates is essential for user space init proc to cleanup the runtime
resource, ensuring clean handling of cached data and enhancing system
robustness during power down processing.
Changes:
- Defined new constants for remount flags in `dfs_fs.h`.
- Added the `dfs_remount()` function in `dfs_fs.c` to handle remount operations.
- Introduced a check for unsupported flags and handle error conditions such as invalid paths
or non-directory targets.
- Updated the `dfs_mnt` structure in `dfs_mnt.h` to include a read-only flag (`MNT_RDONLY`).
- The `dfs_remount()` function allows changing the read-only status of a mounted filesystem.
- Added `MNT_LAZY_UMNT` and `MNT_RDONLY` flags to `dfs_mnt` structure.
- Introduced `dfs_mnt_setflags` function for dynamic flag management.
- Updated `dfs_remount` to utilize `dfs_mnt_setflags` for flag setting.
- Enhanced unmount operations with `dfs_mnt_umount_iter` and lazy unmounting.
- Added `dfs_pcache_clean` to handle cache cleanup for read-only mounts.
- Improved error reporting in `dfs_umount` for better user feedback.
- Refactored `sys_mount` to streamline parameter handling and support remounts.
- Introduced `_cp_from_usr_string` helper for user-space string operations.
- Updated internal APIs to ensure consistency in reference count management.
Signed-off-by: Shell <[email protected]>
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The patch introduces support for system reboot functionality and process teardown,
allowing for a clean shutdown and unmounting of the root filesystem. This is
necessary for ensuring a proper system shutdown process, especially when dealing
with resource cleanup and ensuring that all processes have exited before system
shutdown.
Changes:
- Added `lwp_teardown()` function to handle process cleanup and system teardown.
- Introduced `lwp_pid_wait_for_empty()` to wait for process ID table emptiness
before proceeding with shutdown.
- Updated `dfs_mnt_unref()` to trigger callbacks when unmounting a filesystem.
- Added new reboot types (`RB_AUTOBOOT`, `RB_POWER_OFF`) and implemented their
corresponding actions, including cleanup of processes and unmounting root
filesystem.
- Extended `sys_reboot()` to handle reboot and power off types with appropriate
callbacks for process and filesystem teardown.
- Introduced callback mechanism for root filesystem unmount notifications.
Signed-off-by: Shell <[email protected]>
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This change introduces the `lwp_runtime.c` component, which provides the
necessary runtime environment for the init process, including boot scripts,
shutdown, and poweroff functionalities. The initialization logic has been
moved from `lwp.c` to this new file, enhancing modularity and flexibility
in handling LWP runtime tasks.
Changes:
- Moved the `lwp_startup` function from `lwp.c` to `lwp_runtime.c` to handle
system initialization and runtime environment setup.
- Added `lwp_teardown` placeholder for system shutdown and cleanup tasks in
the future (though not yet implemented).
- Introduced the `LWP_USING_RUNTIME` configuration option in `Kconfig` to
conditionally enable the runtime environment.
- Updated the `SConscript` to conditionally include `lwp_runtime.c` based on
the `LWP_USING_RUNTIME` configuration.
- Removed the old `lwp_startup` code from `lwp.c`, simplifying the file.
Signed-off-by: Shell <[email protected]>
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This change introduces the `lwp_signal_kill_all` function, which allows a
signal to be sent to all processes in the system. The function iterates
over all PIDs and sends the specified signal to each process, except those
that are protected from signals. This enhancement provides a convenient way
to broadcast signals across all processes in the system.
Changes:
- Added `lwp_signal_kill_all` function in `lwp_signal.c` to broadcast a
signal to all processes by iterating over all PIDs using the existing
`lwp_pid_for_each` function.
- Introduced a new `kill_all_param` structure to encapsulate the signal
information needed for killing processes.
- Added internal `_kill_each` helper function for sending the signal to each
PID.
- Updated `lwp_signal.h` with the new function prototype for `lwp_signal_kill_all`.
- Modified `sys_kill` in `lwp_syscall.c` to call `lwp_signal_kill_all` when
a process is not specified.
Signed-off-by: Shell <[email protected]>
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This change introduces the `lwp_pid_for_each` function, which provides a
convenient and thread-safe method for iterating over PIDs with a user-
defined callback. This addition is necessary to support cases where
operations must be performed on each PID in the balanced tree, enhancing
flexibility and modularity for PID management.
Changes:
- Added `lwp_pid_for_each` function in `lwp_pid.c` to allow iteration
over PIDs using a callback function and optional data parameter.
- Defined a new internal `pid_foreach_param` structure to encapsulate
the callback and data for the iteration.
- Added `_before_cb` helper function for executing the callback on each
PID node during AVL traversal.
- Ensured thread safety by acquiring and releasing the PID lock around
the AVL traversal within `lwp_pid_for_each`.
- Updated `lwp_pid.h` with the `lwp_pid_for_each` function prototype and
included `rtthread.h` for necessary types.
Signed-off-by: Shell <[email protected]>
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Add logging as Env['log']:
- the default level is INFO;
- when using `scons --verbose`, the level will be
change to debug level.
- Add more debug information for cc detection.
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error: a label can only be part of a statement and a declaration is not a statement 459 | rt_uint32_t errtype;
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from: https://github.com/phoenix-rtos/libphoenix/blob/master/stdio/scanf.c
BSD-3-Clause license
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AT_Device 适配 SERIAL_V2
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* [doc] doxygen attach github pages
* Update doxygen.yml
* Update doxygen.yml
* Update doxygen.yml
* Update doxygen.yml
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* [tools]: fix the issue of missing commands in compile_commands.json
* [tools]: fix the path of compile_commands.json
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duo is a real hardware, no need for virtio.
Disable RT_USING_VIRTIO and update configuration to latest.
Signed-off-by: Chen Wang <[email protected]>
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Signed-off-by: sakumisu <[email protected]>
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* [utest][wq]add workqueue_tc.
* [action][ci]ci添加wq测试用例
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Re-write README.md for aarch64.
Signed-off-by: Chen Wang <[email protected]>
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Move the combine.sh to under cv18xx_aarch64, so we can
run this script the same as scons and no need to change
cwd.
Rename the folder boot to prebuild just becuase all the
files under boot are prebuild binaries.
Move the prebuilt fip.bin to under prebuild/milkv-duo256m
because it's only for 256.
Update combine.sh accordingly and output fip.bin to the output
folder where we create fip.bin/boot.sd as other bsp.
Signed-off-by: Chen Wang <[email protected]>
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For ARM, RT-smart and RT-standard both enable mmc (see
rt_hw_board_init() in bsp/cvitek/cv18xx_aarch64/board/board.c,
rt_hw_mmu_setup is called both for smart or standard).
So ioremap is must to do for ARM.
Signed-off-by: Chen Wang <[email protected]>
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smp_call.h defines SMP-related structures and declares
SMP-related functions. These codes are only valid when
RT_USING_SMP is defined in the bsp, which means we have
to use RT_USING_SMP for judgment in every place where
this file is included, such as following:
```c
```
Now move the judgment of RT_USING_SMP directly into
smp_call.h, so that it's simpler to include the header
file as:
```c
```
Signed-off-by: Chen Wang <[email protected]>
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解决了gd32470z-lckfb libc_dirent结构体报错的bug
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Signed-off-by: GuEe-GUI <[email protected]>
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Updated README for cvitek.
Signed-off-by: Chen Wang <[email protected]>
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There is problem in the Kconfig of qemu-virt64-riscv.
RT_USING_VIRTIO is already defined in components/drivers/virtio/Kconfig,
so it should not be defined again in the BSP kconfig.
The solution is to rename RT_USING_VIRTIO to BSP_USING_VIRTIO.
Also, refer to the configuration method for virtio device drivers in
bsp/qemu-virt64-aarch64/drivers/Kconfig to rewrite the configuration
of BSP_USING_VIRTIO_xxx.
Updated default .config/rtconfig.h at the same time.
Signed-off-by: Chen Wang <[email protected]>
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Update readme doc to introduce how to build doxygen and run html
on Ubuntu machines.
Signed-off-by: Chen Wang <[email protected]>
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