Commit Graph

29 Commits

Author SHA1 Message Date
Anas Nashif
275ca60b08 Fixed file description and applied doxygen style
Removed old style file description and documnetation and apply
doxygen synatx.

Change-Id: I3ac9f06d4f574bf3c79c6f6044cec3a7e2f6e4c8
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:24:58 -05:00
Benjamin Walsh
02a6baee12 linker: move check for bad initlevels to the end of the sections
This way, it does not fall in the middle of a group, like the RAM group
and as a side-effect potentially move the dot (current address pointer).

Change-Id: Iefbff8bbeadfc740dee61154d7db99b7b7aad6d6
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-02-05 20:24:55 -05:00
Dmitriy Korovkin
fb6de2d486 init: Add protection against incorrect levels or priorities
Initialization level can be one of five predefined.
Init priority is numeric from 1 to 99. If init level or priority
is defined wrong, linker prints out the message and stops.

Change-Id: I165a32ffb668cda983fd48eb2aa7b94998e31a18
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
2016-02-05 20:24:54 -05:00
Peter Mitsis
9fce2a2209 Remove obsolete ctors section
Remove prototype support for C++ constructors, since it is not well
designed. Device drivers (or other application code) that requires an
automatic initialization capability should use the device initialization
macros instead.

Note: Support for C++ constructors may be re-introduced at a later date.
However, a number of issues need to be settled, such as when the
constructors are invoked and what context they run in. (Running them
during nanokernel initialization, as was previously done, is probably
not the right approach.)

Change-Id: If6d27ac16b485cb39d5ec34084e9d0f1991074f4
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:24:43 -05:00
Benjamin Walsh
c12c234f38 linker scripts: add _image_text_start/end symbols
Change-Id: Ic6026337c668482f0226d040138fb798a10d4ecc
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-02-05 20:24:42 -05:00
Benjamin Walsh
09303f7f68 linker scripts: add symbols for ROM/RAM boundaries
These symbols have more meaningful names when trying to figure out where
the ROM/RAM starts/ends, rather than relying on e.g. __data_rom_start for
the end of the ROM (__data_rom_start is the beginning of the data in
ROM, thus is not part of the image).

Change-Id: I4aa0354ee414fd0d46d0f40952e091ba090e7bce
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-02-05 20:24:42 -05:00
Dan Kalowsky
2a57d02400 checkpatch: warning - spacing
Change-Id: Ia63d6c9d8d3c1bd9c540a039263cb8507af82b1e
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
2016-02-05 20:24:35 -05:00
Daniel Leung
851c6f8f60 microkernel: introduce private event objects
This patch enables defining microkernel events within source code.
This is similar to other private kernel object patches.

The test has been modified a little bit due to the fact that
the event ID is now a memory address, instead of numeric ID.

Change-Id: Ie3c8d4f4e459d9c631e50bb242cf7a05ca8ea82c
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:24:35 -05:00
Peter Mitsis
47888a31db Update static IDT generation to use IRQ priority
Updates the 'gen_idt' tool to generate a mapping of IRQ numbers to
interrupt vector IDs, thereby allowing the IRQ priority to be utilized
when statically connecting an interrupt.

Change-Id: I2e54ceb65145682820dfbd8ca1ee6ec68d71ce1a
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:24:34 -05:00
Dan Kalowsky
d81d8bcbfa checkpatch: error - spacing
Change-Id: Ie051000e3d3f0f5bdc330d0265010c37acb873bd
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:24:33 -05:00
Dan Kalowsky
da67b29569 checkpatch: warning - block_comment_style
Change-Id: I6da43e41f9c6efee577b70513ec368ae3cce0144
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:24:33 -05:00
Allan Stephens
a860cb7bff init: Support fine-grained device initialization priorities
Introduces the SYS_DEFINE_DEVICE() macro, which supports 5 distinct
levels of device initialization and 100 priorities within each level.

Note: The existing init macros (e.g. nano_early_init()) have been
adapted to utilize the enhanced initialization model, but will
eventually be retired.

Change-Id: If677029d8b711a3fae9b2f32b5470cd97d19aeda
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-02-05 20:24:30 -05:00
Javier B Perez Hernandez
f7fffae8aa Change BSD-3 licenses to Apache 2
Change all the Intel and Wind River code license from BSD-3 to Apache 2.

Change-Id: Id8be2c1c161a06ea8a0b9f38e17660e11dbb384b
Signed-off-by: Javier B Perez Hernandez <javier.b.perez.hernandez@linux.intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-02-05 20:24:29 -05:00
Peter Mitsis
5705d06874 x86: Properly initialize _interrupt_vectors_allocated[] bitmap
Updates the 'gen_idt' tool to generate a bitmap of (statically) allocated
interrupt vectors that is linked into the final image in a manner similar to
the static IDT. The kernel then uses this bitmap when dynamically connecting
an interrupt vector, thereby preventing the dynamic irq connections
from clobbering the static irq connections.

Change-Id: I0a8f488408dad4912736865179f32f63ff1ca98f
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:24:28 -05:00
Andrew Boie
d82e9dd9e1 x86: HACK force alignment for _k_task_list section
We are seeing on some platforms that the VMA alignment
does not match the LMA alignment for this section, resulting
in problems when copying into RAM by __csSet(); any copied
sections afterwards end up misaligned in RAM.

While the true fix for this is under investigation, force
4-byte alignment for VMA and LMA.

Change-Id: I627d9e7a3446cbc09dc310a156d8b3268e61c91d
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2016-02-05 20:24:23 -05:00
Daniel Leung
8253b90cfc microkernel: add task pointer list
Due to similar padding issue as pipe, the list of task object
may not be used directly. As mentioned before, some compiler/linker
may pad the large struct. For example, compiling under gcc and
march=i686 pads the struct to 32-byte alignment (march=atom to
64-byte alignment). This causes issue with sizeof() and pointer
arithmetic because they have no idea about the padding.
When the stars align in a certain way, these task structs may be
corrupted. So add a task pointer list and use it for task
manipulation. The task list remains as it is beneficial to group
them together to take advantage of cache locality.

Change-Id: I0e86bfe05742040f4540d7854c1ac14e76162776
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2016-02-05 20:15:58 -05:00
Daniel Leung
0abe07a0cd microkernel: introduce support for private memory maps
This enable defining memory maps in source code in addition to
defining in MDEF files. This introduces the macro
DEFINE_MEM_MAP(mem_map_name, ...). The memory maps created this
way are the same, in functionality, as those defined in MDEF
files. They can be manipulated by the standard microkernel
memory map APIs.

Define the memory map using:

  DEFINE_MEM_MAP(mem_map1, blocks, block_size);

and "mem_map1" can be used, for example:

  task_mem_map_alloc(mem_map1, ...);

or,

  task_mem_map_free(mem_map1, ...);

etc.

To use the memory map defined in another source file, simply add:

extern const kmemory_map_t mem_map1;

to the desired C or header file.

Change-Id: I9c551b90f9d0a95f961fd8ec1c5278c2ea44312d
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2016-02-05 20:15:18 -05:00
Daniel Leung
201aa8c708 microkernel: put memory map pointers into its own binary section
The _k_mem_map_list was a static array generated by sysgen,
where it containing all pre-defined memory maps from MDEF file.
To support private memory map objects (aka, defining them within
source files), the list has to accommodate memory maps that
are not only processed through sysgen, but also those defined
within source files.

This is done by creating a new section in binary, and all memory
map pointers go into this section. By doing this, the list
can still be manipulated as an array.

Change-Id: I1f3414b72f685fef4b99850749178661f14d9345
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2016-02-05 20:15:18 -05:00
Daniel Leung
b5517ab61c microkernel: introduce support for private pipes
This enable defining pipes in source code in addition to
defining in MDEF files. This introduces the macro
DEFINE_PIPE(pipe_name, ...). The pipes created this
way are the same, in functionality, as those defined in MDEF
files. They can be manipulated by the standard microkernel
pipe APIs.

Define the pipe using:

  DEFINE_PIPE(pipe1, size);

and "pipe1" can be used, for example:

  task_pipe_put(pipe1, ...);

or,

  task_pipe_get(pipe1, ...);

etc.

To use the pipe defined in another source file, simply add:

extern const kpipe_t pipe1;

to the desired C or header file.

Change-Id: Iae8e04706359bc18aae51acc75df3e3d26388882
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2016-02-05 20:15:18 -05:00
Daniel Leung
815d64522f microkernel: put pipe pointer list into its own binary section
The _k_pipe_list was a static array generated by sysgen,
where it containing all pre-defined pipes from MDEF file.
To support private pipe objects (aka, defining pipes within
source files), the pipe list has to accommodate pipes that
are not only processed through sysgen, but also those defined
within source files.

This is done by creating a new section in binary, and all pipe
pointers go into this section. By doing this, the pipe list
can still be manipulated as an array. The reason behind
putting the pointers to pipe, instead of the pipe objects
themselves, is that some compiler/linker may pad the large pipe
struct. For example, compiling under gcc and march=i686 pads
the struct to 32-byte alignment (march=atom to 64-byte alignment).
This causes issue with sizeof() and pointer arithmetic because
they have no idea about the padding. So use pointers here to
prevent padding.

Change-Id: I6d3b75614c4d8760c037a5c26746410d4e4b17cb
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2016-02-05 20:15:18 -05:00
Daniel Leung
2bc5880d85 microkernel: introduce support for private tasks
This enable defining tasks in source code in addition to
defining in MDEF files. This introduces the macro
DEFINE_TASK(task_name). The tasks created this
way are the same, in functionality, as those defined in MDEF
files. They can be manipulated by the standard microkernel
task APIs.

Define the task using:

  DEFINE_TASK(task1, priority, entry_func, stack_size, groups);

and "task1" can be used, for example:

  task_start(task1);

or,

  task_abort(task1);

etc.

To use the task defined in another source file, simply add:

extern const ktask_t task1;

to the desired C or header file.

Change-Id: Ib2f3572950ca74b359b7fde1ccd6cfd04783eefb
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2016-02-05 20:15:18 -05:00
Daniel Leung
75e5427e15 microkernel: put _k_task_list into its own binary section
The _k_task_list was a static array generated by sysgen,
where it containing all pre-defined tasks from MDEF file.
To support private task objects (aka, defining tasks within
source files), the task list has to accommodate tasks that
are not only processed through sysgen, but also those defined
within source files.

This is done by creating a new section in binary, and all task
objects go into this section. By doing this, the task list
can still be manipulated as an array, which is required for
task group operation.

Change-Id: I799d6967567079498bc414e0cb809e8af856b53e
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2016-02-05 20:15:18 -05:00
Dmitriy Korovkin
4e3bce5e96 Add page-aligned padding to initlevel section for Galileo test load
Galileo testing uses Linux kexec() feature to load Zephyr OS.
kexec() requires all program headers page size aligned.
Add page size padding to initlevel section in order to make
BSS page aligned.

Change-Id: I7c0e309be70aef45b347b16c6d5c01bdf5659351
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
2016-02-05 20:14:43 -05:00
Peter Mitsis
7cbad4e7dd Remove references to BSP from include/ directory
Removes references to obsolete BSP terminology.  Where appropriate, replaces it
with platform terminology.

Change-Id: If38c859338c7cf0de58430336e1046b28f9e9944
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:43 -05:00
Anas Nashif
ea0d0b220c doxygen: change comment style to match javadoc
The change replaces multiple asterisks to ** at
the beginning of comments and adds a space before
the asterisks at the beginning of lines.

Change-Id: I7656bde3bf4d9a31e38941e43b580520432dabc1
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:32 -05:00
Anas Nashif
ac47c45ca0 Rename Zephyr OS into Zephyr Kernel
We are a kernel, not an OS.

Change-Id: Ib987e3e511e1bdbed6293ab5e15e598bff00b09b
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:26 -05:00
Allan Stephens
5189844df5 Eliminate VxMicro branding in kernel code
Eliminates references to the obsolete OS name. In most cases the
name is simply removed, as it isn't necessary.

Change-Id: I32f9e7390e436aec008a9454b72657e129d65152
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-02-05 20:14:15 -05:00
Dirk Brandewie
c9ac95a43a device: Add device model infrastructure
Add infrastructure support having multiple instances of a driver
configured into the system each with its own compile time
configuration information.

Change-Id: I1e447af18311139b43f74fe0439483ccd132b63f
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
2016-02-05 20:14:14 -05:00
Dan Kalowsky
c02dd34277 Renaming include/nanokernel to include/arch
Renaming the directory include/nanokernel to be include/arch, which
better reflects the real nature of the directory and the contents
inside.

Change-Id: I2bc33ebc6715e2f0403227a558279fdf52398ade
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
2016-02-05 20:14:12 -05:00