Commit graph

5846 commits

Author SHA1 Message Date
Allan Stephens
69555e8efd Cleanup of nanokernel's fiber scheduling routine
1) Renames routine to conform to kernel naming conventions.
2) Relocates routine declaration to include files for
   non-public nanokernel APIs.
3) Relocates routine definition so that it resides with the
   nanokernel's other fiber manipulation routines.
4) Eliminates an unnecessary argument to the routine.

Change-Id: Ia139280dfea36262ca8417708786b4989f3eaee1
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-02-05 20:14:15 -05:00
Allan Stephens
0c3fd0afc2 Relocate declarations of _nano_fiber_swap()
These now appear in the files which declare other non-public
nanokernel APIs.

Change-Id: Iea01d6de44851a08b308004b2c3104c08b020970
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-02-05 20:14:15 -05:00
Allan Stephens
bb9ab0322e Eliminate unnecessary references to cpu.h and cputype.h
Gets rid of places where there is no need to include these files
at all, or places where these files are being indirectly included
due to the inclusion of nanokernel.h.

Change-Id: I7b58148af454b977830c00a6b519a78d0595603b
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-02-05 20:14:14 -05:00
Juan Manuel Cruz
64fd17d96a Kconfig default configurations update.
This commit add the symbols CONFIG_RANDOM_GENERATOR
to the default configurations.

Change-Id: Iff0e5a7d144993bf1cc9967bcffff037333cdf30
Signed-off-by: Juan Manuel Cruz <juan.m.cruz.alcaraz@linux.intel.com>
2016-02-05 20:14:14 -05:00
Allan Stephens
a1bd59de35 Eliminate obsolete coding convention comments
Gets rid of single-line comments required by a previous set of
coding conventions. These comments provide no value to readers
and just clutter things up.

Change-Id: I2a08b12cf5026253de56979efdfc510e7e68defe
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-02-05 20:14:14 -05:00
Allan Stephens
60f6a74efe Eliminate non-standard NULL definitions
Revises kernel so that it uses the standard NULL symbol defined
for C99, rather than having its own custom symbol.

Change-Id: I74342f192e95899a83db879e8b1c8fe89ac8b92d
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-02-05 20:14:14 -05:00
Peter Mitsis
6232a85059 Fix closing CONFIG_MICROKERNEL block comments
Closing comments to two CONFIG_MICROKERNEL ifdef blocks incorrectly identified
the ifdef block as NOT belonging to the microkernel.

Change-Id: Iee415e33d7f8a88c41009c5783b37da3a431461b
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:14 -05:00
Peter Mitsis
4fe98a46f5 Initialize stack area in _NewContext()
Instead of initializing the stack (when INIT_STACKS is enabled) in start_task()
and _fiber_start(), do it in _NewContext().  This helps to both reduce code
duplication AND ensure that all contexts get an initialized stack (previously
the background/idle task's was missed).

Change-Id: If2d50309d2be48fac937f5d0ae96b9de185c0fe2
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:14 -05:00
Juan Manuel Cruz
6ec8b8cdd5 Kbuild: Set XIP as default for CortexM.
This commit sets Execute in Place (XIP) option
as a default for CortexM architectures.

Signed-off-by: Juan Manuel Cruz <juan.m.cruz.alcaraz@linux.intel.com>
Change-Id: Ib9bd361a9ac6c64d9755c6bf3ac5c8df6c1b22f2
2016-02-05 20:14:14 -05:00
Anas Nashif
aae59d0b62 Use a simpler form for including BSP headers
Change-Id: I44427225658e90b64dbc0881e4effc1debafeda6
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:14 -05:00
Anas Nashif
bbe84f8ae5 Use ccflags-y and asflags-y instead of EXTRA_CFLAGS
According to section 3.7 of Documentation/kbuild/makefiles.txt, using
EXTRA_CFLAGS in Makefiles is "still supported but their usage is
deprecated." However, using make EXTRA_CFLAGS="-DSOMETHING" results in
EXTRA_CFLAGS from Makefiles being overwritten, obviously breaking the
build.  This patch converts to them to the newer ccflags-y which also
fixes the problem.

Change-Id: I6309439599d4c9cc184f9ecd941bde841982ef07
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:14 -05:00
Peter Mitsis
40b5200c73 Optimizations to _NewContext() and _NewContextInternal()
Since the address of the new context is known before _NewContext() is invoked
(due to it being passed a properly aligned stack), there is no longer any
need for _NewContext to return the pointer to the context.

Furthermore, as a direct result of the properly aligned stack, the pointer to
the new context does not need to be passed as a separate parameter since it
will always match the passed stack pointer.

Change-Id: Ie57a9c4ad17f6f13e8b3f659cd701d4f8950ea97
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
a45f691d12 Remove runtime stack alignment from _NewContext()
Runtime alignment of a context's stack is no longer necessary in _NewContext()
as the memory is aligned (via the __stack tag) before calling _NewContext().

Change-Id: I31b7fd883ea3f1dcdb378e8ff508430bc75afcde
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
ad74658009 Add __stack tag for aligning task/fiber stacks
The "__stack" tag is to be used to align an array (to STACK_ALIGN) for stack
use by either a fiber or task.

Change-Id: I5828f3ee1b09b0b5ba894ea30689d179de347494
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
db8a41c90d Replace use of __attribute__((packed)) with __packed
The __attribute__ keyword is toolchain specific.

Change-Id: Ia3c0ff54d778785679c864704f8db6a3ba898948
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
bcfc0a8415 Replace PACK_STRUCT with __packed in kernel code
The PACK_STRUCT macro is being phased out in favor of using __packed.

Change-Id: I4f231ce99d104377436d14c5a8fa3eb0c6513b35
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
ad39ee1c96 Replace __attribute__((aligned(x))) with __aligned(x)
The __attribute__ keyword is toolchain specific.

Change-Id: I2183d154ccdb9b5bed3bc245cc37cbf4c5cc62cc
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
5c892eeccc Remove references to user mode tasks
User mode tasks are not supported.

Change-Id: I414e0957431b7a1df7b34cf438597dfab72b5a0f
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
86c817ab60 Remove references to _NewContextUsr()
The routine _NewContextUsr() does not exist.

Change-Id: Ia20ddd3c9066930bd94e02850880a2f777081e82
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
19a0ee4d24 Rename missed instances of nanoFiberStart()
Completes the renaming of nanoFiberStart() -> fiber_fiber_start().

There is little value in listing the callers of _NewContext() in its function
header.  Not only was the (deleted) list both incomplete and wrong, keeping
it around and properly updated requires error prone maintenance.

Change-Id: Ic45f51b285c027a2e8be331c0d28c16bdc97647d
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
86ebbf406c Remove comment listing callers of _NewContext()
There is little value in listing the callers of _NewContext() in its function
header.  Not only was the (deleted) list both incomplete and wrong, keeping
it around and properly updated requires error prone maintenance.

Change-Id: Iec069847762fdef6b6b2f54ad23c69ab3fa6e592
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
07c45d9e75 Cosmetic: Fix whitespace for checkpatch
Checkpatch generates an error if any spaces follow the '*' when declaring
pointers.

Change-Id: If8fc4b185c5c508eadc78bcc9fa7a5050ccbdad4
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Peter Mitsis
7d2fc8ec22 Add _NANO_ERR_ALLOCATION_FAIL fatal error code
This reason code will be used indicate that the kernel failed to allocate a
critical resource (such as a command packet or a timer packet).

Change-Id: I6d4c3d96fc70b2b8cab4027b1b8e4febf4d6c474
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:13 -05:00
Allan Stephens
d216a00adc Clean up private APIs that mark context as (non)essential
1) Renames APIs to align them with conventions used by other
   general-context nanokernel APIs.

2) Relocates implementation of these APIs to the architecture-
   independent portion of the nanokernel.

Change-Id: I1aa60029aaa96697cd8fcb594bbae23ba6656661
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-02-05 20:14:13 -05:00
Allan Stephens
63720a9af3 Eliminate secure string error handling
This is not required since the secure string library routines
have been removed.

Change-Id: I284a21e4167d9bb6f78354d809c563a4c52f619c
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-02-05 20:14:12 -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
Dan Kalowsky
40e7780e65 Renaming CONFIGURE_UART_PORT macro
Renaming the CONFIGRUE_UART_PORT macro to UART_PORT_CONFIGURE.
Done to better align with the current naming process, but also to
remove some possible confusion over the macros source now that
the tree has moved over to Kconfig/Kbuild options.

Change-Id: I1a7691d09818c3d529de346e7fa347ce5ac19aed
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
2016-02-05 20:14:12 -05:00
Dmitriy Korovkin
ec8a461bfb Introduce public APIs for random number generation
Convert the existing non-public random number generation APIs
into public APIs (i.e. sys_rand32_init and sys_rand32_get).

Change-Id: Id93e81e351a66d02c08cf3f5d2dd54a3b4b213c5
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
2016-02-05 20:14:12 -05:00
Dmitriy Korovkin
27bcb431cb Random number generator driver unification
Remove ARM specific driver that duplicates the platform
independent one.

Rename x86 specific driver to make it unique.

Added configuration options for random and non-random
number generators.

Change-Id: Ie1b277d2927cdfe877650ae09134db7c86becb76
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
2016-02-05 20:14:12 -05:00
Dmitriy Korovkin
6313939f8d Remove CUSTOM_RANDOM_GENERATOR from atom_n28xx platfotm
The BSP does not have hardware random number generator
device driver.

Change-Id: Icaf4726174ec5c9120db4bd90d2ea2a4a30a8837
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
2016-02-05 20:14:12 -05:00
Andrei Emeltchenko
5831c25d93 serial_console: Use dynamic irq connect
Follow common practice and use standard dynamic irq connect mechanism.

Change-Id: Ibb29858da77909ede1fe2dacb056274e49687473
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
2016-02-05 20:14:12 -05:00
Szymon Janc
4aff07c4e0 arm/timer: Include headers based on selected BSP
Board specific headers should be included conditionally based
on the selected BSP.

Change-Id: Ia8c32c56e94670f4c59f7acac28557dd178e44f1
Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
2016-02-05 20:14:12 -05:00
Dmitriy Korovkin
a91736ab9a Convert PCI_DEBUG parameter to a configuration parameter
Change-Id: Ie0272b52bbba56e3381cf33fded873aaa0709af6
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
2016-02-05 20:14:11 -05:00
Dmitriy Korovkin
4187747e4d List PCI devices after console initialized.
In order to display PCI devices, make sure console is initialized
and list all the devices.

Change-Id: Ia7f47e58cee1a0da0ee1f86d9229a3e23e7a0dbb
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
2016-02-05 20:14:11 -05:00
Dmitriy Korovkin
c3c75902fe Fix UART on Quark platform
UART on Quark platfor, according to Quark BSP Programmer's
Reference Manual, is located in the following order on PCI bus:
COM2 BAR0: 16550 registers
     BAR1: DMA registers
COM1 BAR0: 16550 registers
     BAR1: DMA registers

So, the driver on Quark platform has to specify BAR (Base
Address Registers) number, the pci_bus_scan() function looks for.

As long as UART is a concole device, calling pci_show() during
it's initialization does not make any output.

Change-Id: I2261fbcc8f9e3ebc22d5307fdcbb18cb649c1224
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
94c6f058c5 Update defconfigs for all variants
Change-Id: I44704fd93112e6cbca111f4b2c9949ff0bf0c521
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
f1bad47cd7 Kconfig: update ARM BSP configs
Change-Id: Id0a09e5ca7049504b118bbd34129347ff31b839d

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
615b6debd2 Kconfig: update arm defconfig
Change-Id: Ie99fbabef905c18ab7d8ce88a7bf7ba910384dbf

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
2e67281420 Fix CONFIG_NUM_IRQS for arm
Change-Id: I46184b36ad9f7d436fd2c2736d08ab4fdcae373d

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
3446d62412 Kconfig: use correct serial driver for arm
Change-Id: Ic06eb63af3c2247371cacab1077b6ddd4a739c35

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
5282665b3c Update arch defconfig for ARM
Change-Id: Ic0d3794b4c00504bd2386fbb20b05a844de2d8e7

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
dd3e676fdb Update defconfigs for ARM
Change-Id: I6189947283476e56e082a820b812d0b3689cc484

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
4a6a236f23 Kconfig: update quark defconfig
Change-Id: I68ab854d052b080019312d8988bdc8dc94a0ea74
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
1b3bdc414f Kconfig: make processors a choice
Change-Id: Ica78b4c20e506a9c17780cb44f81b481d14317ab

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
fcc1c1e113 changed defconfig for generic_pc and x86
Change-Id: I65cc5b6fa1471e8441f3826e324dfb29783bb812
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
fff0c84caf Kconfig: make arm kconfig independent
Change-Id: Ib5d6253396162f33d1135cb3529319167f7ecd4e
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
745c2b66fd Remove sourcing of arch kconfig to root
Change-Id: I052721288a58ae27c49b59f8e42bdab469f3b2f3
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
3ae5d713ef Kconfig: make architecture kconfig independent
Change-Id: I242cb49d11a8131054730059a07154031e0035dd

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:11 -05:00
Anas Nashif
1339edc104 remove defs.objs file
Replaced by kbuild

Change-Id: I61a21ed164b02c7770a181919b35ffafbde4f49e
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:10 -05:00
Anas Nashif
382194906d pci: add PCI config option
Change-Id: I5c6cedf696d4acaf32b8d9832b0593730223b41e
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:10 -05:00