| Commit message (Collapse) | Author | Age | Files | Lines |
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Simply compare the values against NULL.
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The shell has an 'fdisk' command which has sub-commands 'mount' and 'unmount'.
These two sub-commands have a bug which causes them to be not able
to mount anything. This proposed patch removes the buggy file
cpukit/libblock/src/bdpart-mount.c and the mount/unmount commands
from 'fdisk' as bug fix. The 'fdisk' command itself is not removed.
The reasons for removing the sub-commands (instead of fixing the issue) are:
1) The bug has been introduced on 2010-May-31 with commit
29e92b090c8bc35745aa5c89231ce806bcb11e57. Since ten years no one
can use this feature, nor has anybody complained about it.
2) Besides of the 'fdisk' 'mount' sub-command, the shell has the
usual 'mount' and 'unmount' commands which can serve as
substitutes.
3) There are additional minor issues (see further down) which needed to
be addressed when the file will be kept.
What follows below is the precise bug description.
The bug is in function rtems_bdpart_mount() which is only be used
by the 'fdisk' shell command to mount all partitions of a disk with a
single command:
> fdisk DISK_NAME mount
> mounts the file system of each partition of the disk
>
> fdisk DISK_NAME unmount
> unmounts the file system of each partition of the disk
The whole command does not work because in file
cpukit/libblock/src/bdpart-mount.c line 103 specifies the file system type
of each partition to be "msdos". Yet, "msdos" does not exist. The name
must be "dosfs".
Beside of this fundamental problem, there are more issues with the code
in bdpart-mount.c:
1) The function returns RTEMS_SUCCESSFUL despite the mount always fails.
2) The reason for errors is not written to the terminal.
3) The directory '/mnt' is created but not deleted later on (failure or not).
3) There is no documentation about this special 'fdisk' feature in the
RTEMS Shell Guide ('fdisk' is mentioned but its documentation is a
bit short):
https://docs.rtems.org/branches/master/shell/
file_and_directory.html#fdisk-format-disk
4) Only "msdos" formatted partitions can be mounted and all partitions
are mounted read-only. This is hard coded and cannot be changed by
options. Moreover, there is no information about this to the user of
the shell (i.e. using 'fdisk' mount requires insider knowledge).
How to reproduce:
1) For testing, I use the 'testsuites/samples/fileio.exe' sample with qemu:
> cd rtems
> env QEMU_AUDIO_DRV="none" qemu-system-arm -net none -nographic \
> -M realview-pbx-a9 -m 256M -kernel \
> build/arm/realview_pbx_a9_qemu/testsuites/samples/fileio.exe
2) Type any key to stop the timer and enter the sample tool.
Type 's' to enter the shell, login as 'root' with the password
shown in the terminal.
3) Type the following shell commands (they create a RAM disk,
partition it, register it, format it and try to mount it):
> mkrd
> fdisk /dev/rda fat32 16 write mbr
> fdisk /dev/rda register
> mkdos /dev/rda1
> fdisk /dev/rda mount
4) The last line above is the command which fails - without an error
message. There exists a '/mnt' directory but no '/mnt/rda1' directory
as it should be:
> ls -la /mnt
5) If you change line 103 of 'cpukit/libblock/src/bdpart-mount.c'
from "msdos" to "dosfs", compile and build the executable and
re-run the above test, '/mnt/rda1' exists (but the file system
is mounted read-only).
Close #4131
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The manager documentation is a consolidation of the comments in Doxygen
markup and the documentation sources in Sphinx markup. The
documentation was transfered to interface specification items. This
header file was generated from the items by a script.
Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Provide RTEMS_NO_RETURN also in case RTEMS_DEBUG is defined to prevent errors
like this:
error: no return statement in function returning non-void [-Werror=return-type]
Use C11 and C++11 standard means to declare a no-return function.
Close #4122.
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- Do not start threads detached
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Update #4105.
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This adds a CPU port for AArch64(ARMv8) with support for exceptions and
interrupts.
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Before this patch RTEMS_Malloc_Initialize() had a fixed dependency on
_Workspace_Area. Introduce _Workspace_Malloc_initializer to have this
dependency only if CONFIGURE_UNIFIED_WORK_AREAS is defined by the
application configuration.
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The implementation was added and removed in 2009.
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In contrast to message queues created by rtems_message_queue_create(), the
message queues constructed by this directive use a user-provided message buffer
storage area.
Add RTEMS_MESSAGE_QUEUE_BUFFER() to define a message buffer type for message
buffer storage areas.
Update #4007.
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Add Message_queue_Control::is_global if RTEMS_MULTIPROCESSING is defined. This
reduces the Message_queue_Control size in standard RTEMS configurations.
Update #4007.
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Move the CORE_message_queue_Buffer definition to a separate header file to be
able to use it independent of the remaining Message Queue Handler API.
Change license to BSD-2-Clause according to file history.
Update #3053.
Update #4007.
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Merge CORE_message_queue_Buffer structure into
CORE_message_queue_Buffer_control.
Use a zero-length array for the actual message buffer. This reduces the
structure size on all targets.
Update #4007.
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Return a status code and differentiate between error conditions.
Update #4007.
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Provide the default trace data in a separate file to avoid issues on targets
with a small-data area.
Close #3883.
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Move multiprocessing related definitions to <rtems/rtems/mp.h>. This
makes <rtems.h> an include only header file.
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Move type related definition to <rtems/rtems/types.h>. The goal is to
make <rtems.h> an include only header file.
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Move task related declarations and definitions to <rtems/rtems/tasks.h>.
The goal is to make <rtems.h> an include only header file.
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Move object related declarations and definitions to
<rtems/rtems/object.h>. The goal is to make <rtems.h> an include only
header file.
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Move configuration related declarations and definitions to
<rtems/config.h>. The goal is to make <rtems.h> an include only header
file.
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Update #3959.
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In contrast to rtems_task_create() this function constructs a task with
a user-provided task storage area. The new directive uses a
configuration structure instead of individual parameters.
Add RTEMS_TASK_STORAGE_SIZE() to calculate the recommended size of a
task storage area based on the task attributes and the size dedicated to
the task stack and thread-local storage. This macro may allow future
extensions without breaking the API.
Add application configuration option
CONFIGURE_MINIMUM_TASKS_WITH_USER_PROVIDED_STORAGE to adjust RTEMS
Workspace size estimate.
Update #3959.
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Add this application configuration option. This configuration option can be
used to reserve space for the dynamic linking of modules with thread-local
storage objects.
Add RTEMS_TASK_STORAGE_ALIGNMENT to define the minium alignment of a
thread-local storage size.
Update #4074.
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Update #3959.
Update #4074.
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Update #3959.
Update #4074.
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This avoids a dependency to the stack free function in the thread
destruction.
Update #3959.
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Do the stack allocator initialization and sanity check only if a
user-provided stack allocator was configured. This avoids a dependency
of _Thread_Handler_initialization() on the stack allocator.
Update #3959.
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Hide implementation details.
Update #3959.
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Update #3959.
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Only provide the file descriptor array if
CONFIGURE_MAXIMUM_FILE_DESCRIPTORS > 0. If someone configured
CONFIGURE_MAXIMUM_FILE_DESCRIPTORS == 0 and the appplication uses
something which requires a file descriptor, then a linker error will
show up. An alternative would be to add a zero-length array
rtems_libio_iops[ 0 ] to librtemscpu.a which would be used in this
case.
Conditionally include some header files.
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Simplify object name to identifier directives. Using
_RTEMS_Name_to_id() to implement the directives enables a tail call
optimization.
Change license to BSD-2-Clause according to file history.
Update #3053.
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