Introduce a soc-cflags, soc-cxxflags, and soc-aflags as a means for
SoC specific compiler flags to be set without manipulating Kbuild
options directly.
Change-Id: I2c8f5019fb237429e59717ef96bd4251a61dc1a5
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
The .nd on a branch is WRONG if its an unconditional branch. Not needed.
On conditional branches its a compiler feature that is not yet functional
with ARC targets. Typical code for this compiler can use .d to put
something in the delay slot of an instruction, but using .nd is probably
never wanted.
Change-Id: If1017c468e6e7af269ea73daeb4bc223dcc0059f
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
Microkernel on ARC works fine, was missing some declarations in the
linker file.
Also enable testing of microkernel with ARC and disable tests where
ARC is not supported yet.
Jira: ZEP-396
Change-Id: I2ac7b8dc0bea22f5d2e24832d9e3afad8df9f580
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Convert leading whitespace into tabs in Kconfig files. Also replaced
double spaces between config and <prompt>.
Change-Id: I341c718ecf4143529b477c239bbde88e18f37062
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Add missing Kconfig files and connections to expose Kconfig options
in ext/ directories. Fixup QMSI to only be exposed on platforms that
utilize it.
Change-Id: I6c6c5011b2bf2966f65aa8279dc594a244821956
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
The ARC CPU comes up from reset with i-cache enabled.
It can have garbage in it from a previous run.
The fix is to check the build register for the i-cache, and if its
present, invalidate it fully, and then disable it.
_icache_setup() is called later to turn it on.
Change-Id: I26fae915153841c61e9530d5af2ddb9d0553275b
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
EM11D is a ARC CPU configuration that can be selected for the
ARC EM Starter Kit. The board support for this board will be
submitted separately to expidite review.
Change-Id: Ifc4d48e1f5e01d44d1706e6426bd3b2d77ebe2f8
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
EM9D is a ARC CPU configuration that can be selected for the
ARC EM Starter Kit. The board support for this board will be
submitted separately to expidite review.
Change-Id: I2c85bdab6ea7bfb257e94e4c72b11b4568dbac19
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
Move away from native driver and use the UART driver provided
by QMSI.
All peripherals on Quark MCUs will use QMSI drivers developed
specifically for Quark and optimized for this MCU line.
Change-Id: If4e27f38736849ea3e12c269886e2a03d957b671
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Now that we have QMSI sensor subsystem drivers, lets use them.
Change-Id: Icd301b6c044280b5b25d719b6dcc16d556a2ea8d
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Now that we have QMSI sensor subsystem drivers, lets use them.
Change-Id: I1340ba8930fc8676f7b706540a105250ce3e51b9
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Now that we have QMSI sensor subsystem drivers, lets use them.
Change-Id: I1776178ad6fb984d6e293dbfa8bb1d718e4c2566
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
My boss is asking me to add "all rights reserved" to synopsys banners.
Change-Id: Id74bf3cd0be6bc3159a8b687a37eb11fa3a49f3e
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
When using the Synopsys DesignWare Synchronous Serial Interface (SSI),
the FIFO depth can vary from 2-256, depending upon how this module is built.
For quark_se_ss, it was using a depth of 8. For EM Starterkit, it will be
32. Adding this now as a configurable option. A larger FIFO really helps
reduce SPI interrupts.
Change-Id: Id2bc8470bfc08ab447d38b89c7904cff010c63bd
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
In fault_s.S, changing the word "save" to "safe".
Change-Id: Ia997082a62bf287f09a72b7f0a00d506bd982770
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
Some ARC CPUs can be built with separate instruction bus
and data bus (i.e. Harvard Architecture). Such systems
have only ICCM and DCCM memories. When CONFIG_HARVARD
is defined, the initial stack pointer is set to the
TOP of the DCCM memory. Currently there is no SOC that
existing in Zephyr tree that sets CONFIG_HARVARD, but
this will be coming soon.
Change-Id: I2016d1f472fbdad683a964aa0b65c5263ecfb6cf
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
Use the same Kconfig infrastructure and options for all SPI drivers.
Jira: ZEP-294
Change-Id: I7097bf3d2e1040fcec166761a9342bff707de4dd
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Most of the values are SoC specific and come from the SoC definition,
not need to define them in Kconfig.
Jira: ZEP-294
Change-Id: I962ce36b7e2361ea77ae4178bb7c86c19a241c4e
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Some ARC targets can have a data-cache. Although there is no special
instruction to clear exceptions during early init, it is necessary to
invalidate the d-cache BEFORE any data is fetched. The ARC on arduino 101
doesn't have d-cache, and will thus skip this d-cache invalidate.
Also, it is important to set the vector table base register to point to
the interrupt vector table EARLY, so that if an exception is encountered,
the correct vector table is found. Set this base only if it is found to be
different from the one compiled in to the code.
These initialization steps assure that proper exception handling
is in place during early init.
Change-Id: Ie8b5928e5813e104680a6d6510c85d32dc8ed8f3
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
The aux register named _ARC_V2_I_CACHE_BUILD can be read
to determine if the ARC has an i-cache. If it does not,
don't attempt to initialize it because this would cause an exception.
Change-Id: I3ff519befcc5ebb7745b58401f12cf3015a9e2e9
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
The lr and sr instructions cause a pipeline bubble. There is an efficiency
to be gained if pairs of lr or sr instructions are done right next to
each other. This can avoid some stall cycles.
Also, r14 and r15 can be used with isa-16 instructions.
Change-Id: I4165365b49da910db31e0699a1a6e47114962942
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
Some ARC SOC implementations will need CONFIG_HARVARD so as to
select a different initial stack pointer (one at the top of DCCM memory),
and also to select a different linker command file that uses
ICCM and DCCM. Quark_se_ss will have HARVARD equal to n.
Change-Id: Idb7c4126866c9604e1924200ad5fdd2bc9d28269
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
By using isa-16 instructions, a bit of code-size can be saved,
and code can be a little faster.
Change-Id: I0567d8274372748f579610e2bd4236ce52c5d6c8
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
Avoids confusion with .gitignore rules, which were inadequate to
cover all the places where these files are found. At least in
VIM, these files are now syntax highlighted correctly.
Change-Id: I23810b0ed34129320cc2760e19ed1a610afe039e
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Code size can be reduced by replacing ld and st
with ld_s and st_s (if target registers are r0-r3).
Change-Id: Ia70f0aff07fe41a0cfeff2d59dcdadf7c88e1ae8
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
code-size optimization to use small-variant loads/stores with %r13w
Change-Id: Ic9b2b7744f7d465bccb1e59f64e621985ae7d04d
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
There is a BUG here in that the alias for __start was
aliased to the start of the vector table. Yet, on ARC CPUs,
the vector table CANNOT be the entry point, because there
is no code in a vector table. Only addresses appear in each vector.
Thus, the reset vector, at offset 0 in this table, is a raw address.
The top Makefile in zephyr sets the lable __start to be the entry point
like this: -e __start. Debuggers, for example, use this entry point
to know where the first line of code is.
Also, in KConfig, there were duplicate NSIM blocks. One has been
removed.
Change-Id: I480be7d338a8b45b8ea6ef3f55ac2e6c43829452
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
Fibers initialize this back pointer to NULL as they are (by definition)
not microkernel tasks. Microkernel tasks initialize it to their
corresponding 'ktask_t'.
However for nanokernel systems, the back pointer is always NULL. This
is because there is only one task in a nanokernel system (the background
task) and it can not pend on a nanokernel object--it must poll.
Change-Id: I9840fecc44224bef63d09d587d703720cf33ad57
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Adds a back pointer to the microkernel task to the TCS when
configured for a microkernel. This is a necessary prerequisite
to support microkernel tasks pending on nanokernel objects.
Change-Id: Ia62f9cf482ca20b008772dad80cbfd6acb6f5b7a
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
We really should have more faith in the compiler, it generates
code to implement this exactly like the arch-specific assembly
versions, and on ARM is actually 4 bytes shorter.
FUNC_NO_FP used to disable the usual C preamble to update the
frame/stack pointers, which is how the sizes are still the same
or less. It's debatable how useful the occasional use of
FUNC_NO_FP is in practice since it hinders debugging and in a
production build frame pointers should be globally disabled, but
we can address that later.
Change-Id: I6c4b64ab3e3a9b6f91d52fa8c92e6e79a986fc77
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
I am working on porting Zephyr to ARC EM Starterkit. This board has ARC
CPUs with ICCM memories. On quark_se_ss ICCM is missing and ignored.
Change-Id: Ic49fc8ef3e6ad879ffc673b8baf34dd467f76c04
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
Of the 3 related functions;
_thread_essential_set()
_thread_essential_clear()
_is_thread_essential()
The first two are parameter-less and always operate on
"_nanokernel.current". The last one takes a 'thread' parameter but will
operate on _nanokernel.current if the parameter is NULL. All calls to
_is_thread_essential() pass NULL!
This change makes the 3 functions consistent by removing the parameter
to the 3rd function. This should also be marginally more efficient,
though consistency was the motivation. This change corrects the doc
preamble to all 3 functions.
(These functions would probably be better as inlines. Also, the choice
of when to use wrappers seems a bit arbitrary. E.g. there's nothing
for setting/testing the "FIBER" flag.)
Change-Id: Ie3589f8a28b227c6d7a3a31b664d3b3e6e9c6d17
Signed-off-by: Geoff Thorpe <geoff.thorpe@nxp.com>
These C variants of atomic operations can work on any arch,
have platforms select them if they don't have ASM equivalents.
Change-Id: I38eb03bb58beff865681ee56ef7bc0fcded1e906
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Remove hardcoding and make the values configurable. Also make the
Kconfig variables consistent with other architectures.
Change-Id: I69334002303d4d8abaf7363d9134fd5f46ce4eeb
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Other IOs use this format, so lets be consistent and use
I2C_0 instead of I2C0 and I2C_1 an instead of I2C1.
Change-Id: I591ab08e14bd533ef0fac38e596559da783863b8
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Use SOC_FAMILY and SOC_SERIES to identify soc families and series
and to point to the correct linker files and files related to a
specific SoC.
Change-Id: I8b1a7339f37d6ea4161d03073d36557a40c0b4a6
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Remove those kconfig options that are SoC specific, and
should not be configurable via kconfig.
Change-Id: Ib7e0b81b2df1a0225fc244fea3035416d0a4f282
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Moves those kconfig options which should be declared in
SoC or board header files instead. These are the one
that are tied to SoC or board and there is no need
for them to be configurable in kconfig.
Change-Id: I243d634f1a4a11dc8dc3530d95f93371015492b7
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
lp_count register can be store directly to memory, it is actualy done,
and the instruction that precedes it has no effect.
Change-Id: I8b8fee6abd6f08eea38dd1ab5bbe61c25a2a1f7d
Signed-off-by: Alexandre d'Alton <alexandre.dalton@intel.com>
ARC CPU has stack checking feature that allows to trigger an exception
whenever the stack is incorrectly accessed.
This patch implements the stack_top and stack_base register updates on
context switches, and activates the Stack Checking bit of STATUS32
register when the CPU is in the context of a fiber or task.
As GCC accesses the non-yet allocated stack with frame pointer enabled,
this patch also add the omit-frame-pointer gcc flag in order to work
properly.
Change-Id: Ia9e224085a03bd29d682fb8f51f8e712f2ccb556
Signed-off-by: Alexandre d'Alton <alexandre.dalton@intel.com>
The base addresses are SoC specific so there is no need to make
configurable via kconfig.
Change-Id: Iaf8444f77513255d5f0112af6710243aae09f066
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Most of the #ifdef are not really needed, so clean up the file
for readability.
Change-Id: I4d15f3cb7ef4db9113d4cdadbd3309da6587c64e
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Most of the SoC and board Kconfig use the same values for
driver initialization priorities. So refactor them, and
discard duplicate ones.
The shared IRQ init priority was changed so that the kernel
default init and device init priorities can be standardized
across all SoC/boards. Same goes for DesignWare SPI driver.
This also changes the UART_CONSOLE_PRIORITY and
IPM_CONSOLE_PRIORITY to UART_CONSOLE_INIT_PRIORITY and
IPM_CONSOLE_INIT_PRIORITY, to standardize across all drivers.
Note that this does not take away the ability to override
those values. This just provides reasonable defaults such
that there is virtually no need to override.
Change-Id: Ibbd95d802c637df06f9a2fd48763ee1e6f4ff627
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This adds conditions to the default values for device init priorities,
and make them follow the dependencies on the config options. This cleans
up the resulting .config a bit, making it easier to read.
Change-Id: Ib05806ac6108d465ffe245142ecca7a51be6df22
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
There are two major issues with the kconfig:
() Some of the config options have incorrect dependencies inside help
under menuconfig. For example, CONFIG_GPIO depends on BOARD_GALILEO.
() Since the SoC and board specific kconfig files are parsed first,
the help screen would say, for example, CONFIG_SPI is defined at
arch/arm/soc/fsl_frdm_k64f/Kconfig. This is incorrect because
the actual config is defined in drivers/spi/Kconfig.
These cause great confusion to users of menuconfig/xconfig.
To fix these, the SoC and board defaults are now to be parsed last.
Note that the position swapping of defaults in this patch is due to
the fact the the default parsed last will be used.
And, spi_test is broken due to the fact that it requires
CONFIG_SPI_INTEL_PORT_1, but never enables it anywhere. This is
bypassed for now.
Origin: refactored and edited from existing files
Change-Id: I2a4b1ae5be4d27e68c960aa47d91ef350f2d500f
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Changed names of Kconfig flags, variables, functions, files and
return codes consistent with names used in the RFC. Updated
relevant comments to match the changes.
Origin: Original
Change-Id: Ie7941032d7ad7af61fc02928f74538745e7966e8
Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This patch replaces all occurrences of DEV_* codes by errno.h codes at
the arch layer.
Change-Id: I1a1ab6d0481f3660ad032e2690d2577245fe1f34
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
The SoC selections for each architecture are moved to the top level
in menuconfig and xconfig. This makes it more intuitive to select
architecture -> SoC -> then board, avoiding an additional trip to
go into the architecture menu to select SoC.
Change-Id: I57a78a09adfc4bb12423915b6ad14ceb74381a2b
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
The thread monitor allows to iterate over the thread context
structures for each existing thread (fiber/task) in the system.
Thread context structures do not expose thread entry information
directly. Although all the information can be scavenged from memory
stacks. Besides, accessing the information depends on the stack
implementation for each architecture.
By extending the tcs we allow a direct access to the thread
entry point and its parameters, only when thread monitor is
enabled.
It also allows a task to access its kernel task structure
through the first parameter of the thread.
This allows a debugger application to access the information directly
from the thread context structures list.
Change-Id: I0a435942b80eddffdf405016ac4056eb7aa1239c
Signed-off-by: Juan Manuel Cruz <juan.m.cruz.alcaraz@intel.com>
It is semantically identical to CONFIG_SW_ISR_TABLE.
Change-Id: Iff0c47166ee6fb1fd8a0991a67bc863d45c32559
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This scenario is no longer supported in code; the Kconfig
didn't actually do anything.
Change-Id: Ic48bffb5180c4f72bc9c5d85cf18b1072432b951
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
The peripherals utilizing UART were required to register their own
ISR rountines. This means that all those peripherals drivers need
to know which IRQ line is attached to a UART controller, and all
the other config values required to register a ISR. This causes
scalibility issue as every board and peripherals have to define
those values.
Another reason for this patch is to support virtual serial ports.
Virtual serial ports do not have physical interrupt lines to
attach, and thus would not work.
This patch adds a simple callback mechanism, which calls a function
when UART interrupts are triggered. The low level plumbing still needs
to be done by the peripheral drivers, as these drivers may need to
access low level capability of UART to function correctly. This simply
moves the interrupt setup into the UART drivers themselves. By doing
this, the peripheral drivers do not need to know all the config values
to properly setup the interrupts and attaching the ISR. One drawback
is that this adds to the interrupt latency.
Note that this patch breaks backward compatibility in terms of
setting up interrupt for UART controller. How to use UART is still
the same.
This also addresses the following issues:
() UART driver for Atmel SAM3 currently does not support interrupts.
So remove the code from vector table. This will be updated when
there is interrupt support for the driver.
() Corrected some config options for Stellaris UART driver.
This was tested with samples/shell on Arduino 101, and on QEMU
(Cortex-M3 and x86).
Origin: original code
Change-Id: Ib4593d8ccd711f4e97d388c7293205d213be1aec
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This patch updates some help sections to remove the "ERROR:
Unexpected indentation" messages during hmtl documentation
generation.
Change-Id: Idcdc17727b921b6145f9eb28d85975ceca273ce2
Signed-off-by: Yannis Damigos <giannis.damigos@gmail.com>
The app-facing interface for configuring interrupts was never
formally defined, instead it was defined separately for each arch
in their respective arch-specific header files. Occasionally these
would go out of sync.
Now there is a single irq.h header which defines this interface.
To avoid runtime overhead, these map to _arch_* implementations of
each that must be defined in headers pulled in by arch/cpu.h.
Change-Id: I69afbeff31fd07f981b5b291f3c427296b00a4ef
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
The deleted defaults cannot be overriden by defaults defined
in SoC's Kconfig file. The number of IRQ priority level was
always one, and this caused some code to be dropped within
the fast IRQ handling code. When the electrons aligned in
certain way, undesired effects were observed (e.g. exception,
faults, etc.) when regular IRQs were mixed with fast IRQs.
Moreover, ARC cores are high configurable on hardware level.
So let the SoC config define these values instead.
Change-Id: I2a338d2efc814c46b0f68ab100fc0f66ae0fb60c
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This patch removes the default value from some platform/SoC specific
options which are declared in drivers/gpio/Kconfig because 1) most of
the time they are not valid values and 2) the correct values are
already set in the SoC Kconfig.
It also moves the interrupt priority definition from the driver's
Kconfig to the platform's Kconfig since it is a platform-specific
configuration.
Change-Id: Id00f7907fa55025011dabce6e282a9623be23831
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Base address registers and IRQs are set in Kconfig.
Set proper SPI default to various quark_se_ss based boards.
Change-Id: Iadaae551f441457bef334f94f68cafa7c3e499d0
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Though it's an ARC core, Quark SE SS does not follow the same registers
mapping as the official DesignWare document. Some parts are common, some
not.
Instead of bloating spi_dw.c with a lot of #ifdef or rewriting a whole
new driver though the logic is 99% the same, it's then better to:
- centralize common macros and definitions into spi_dw.h
- have a specific spi_dw_quark_se_ss_reg.h for register map, clock
gating and register helpers dedicated to Quark SE SS.
- have a spi_dw_regs.h for the common case, i.e. not Quark SE SS.
GPIO CS emulation and interrupt masking ends up then in spi_dw.h.
Clock gating is specific thus found in respective *_regs.h header.
Adding proper interrupt masks to quark_se_ss soc.h file as well.
One of the main difference is also the interrupt management: through one
line or multiple lines (one for each interrupt: rx, tx and error). On
Quark SE Sensor Sub-System it has been set to use multiple lines, thus
introducing relevant Kconfig options and managing those when configuring
the IRQs.
Quark SE SS SPI controller is also working on a lower level, i.e. it
requires a tiny bit more logic from the driver. Main example is the data
register which needs to be told what is happening from the driver.
Taking the opportunity to fix minor logic issues:
- ICR register should be cleared by reading, only on error in the ISR
handler, but it does not harm doing it anyway and because Quark SE SS
requires to clear up interrupt as soon as they have been handled,
introducing a clear_interrupts() function called at the and of the ISR
handler.
- TXFTLR should be set after each spi_transceive() since last pull_data
might set it to 0.
- Enable the clock (i.e. open the clock gate) at initialization.
- No need to mask interrupts at spi_configure() since these are already
masked at initialization and at the end of a transaction.
- Let's use BIT() macro when relevant.
Change-Id: I24344aaf8bff3390383a84436f516951c1a2d2a4
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Decisions on compiler optimizations were done on the architecture level,
this does not scale and some SoCs will have different optimization levels
or compiler options needed. Moving this to the SoC makes it easy to optimize
differently when using the same CPU which we use to set the right optimization
now on the architecture level.
For IAMCU platforms, use the right architecture and tuning.
-march=lakemont -mtune=lakemont -miamcu -msoft-float
Change-Id: I458afca5feb9be5de8dcae559d6dcac3c6d6a2a7
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
It's not a function and requires all its arguments to be build-time
constants. Make this more obvious to the end user to ease confusion.
Change-Id: I64107cf4d9db9f0e853026ce78e477060570fe6f
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Mostly SoC initialization and some kernel subsystems, but also some
device drivers like the interrupt controllers.
Change-Id: I8dc1844c33acd877c075b6b03558fdca6f87500b
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This is the last step before obsoleting DEVICE_DEFINE() and
DEVICE_INIT_CONFIG_DEFINE().
Change-Id: Ica4257662969048083ab9839872b4b437b8b351b
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Rename it to DEVICE_DEFINE() so that it fits in the 'device' namespace.
Change-Id: I3af3a39cf9154359b31d22729d0db9f710cd202b
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Rename it to DEVICE_INIT_CONFIG_DEFINE(), because (a) it was not fitting
in any namespace and (b) it is not used to declare, but rather define a
object.
Change-Id: I1da5822f06b85a9fb024b5b184afd0ccc01012ec
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Static interrupts rely on a trick where the _sw_isr_table array
is declared with each element in a different .gnu.linkonce
section, initially pointing to the spurious IRQ handler.
When drivers or apps declare their own interrupts, they override
the element with their own containing the real ISR and parameter.
However, this only works if the initial declaration of the
_sw_isr_table array with the spurious handlers is linked last.
App-specific code was being linked later than the core code,
causing static interrupts declared in apps not to be installed
correctly.
If the _sw_isr_table is moved from SOC-specific code to core arch
code, interrupts configured under soc/ should still also work.
Change-Id: Iec7df47386dfbbf2956a807da27dc8aa6e01b268
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Fix an issue where, if a task is pending on a nano timeout, the duration
it wants to wait is not taken into account by the tickless idle code.
This could cause a system to wait forever, or to the limit of the timer
hardware (which is forever, for all intents and purposes).
This fix is to add one field in the nanokernel data structure for one
task to record the amount of ticks it will wait on a nano timeout. Only
one task has to be able to record this information, since, these waits
being looping busy waits, the task of highest priority is the only task
that can be actively waiting with a nano timeout. If a task of lower
priority was previously waiting, and a new task is now waiting, it means
that the wait of the original task has been interrupted, which will
cause said task to run the busy loop on the object again when it gets
scheduled, and the number of ticks it wants to wait has to be recomputed
and recorded again.
Change-Id: Ibcf0f288fc42d96897642cfee00ab7359716703f
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Adds C++ support to the build system.
Change-Id: Ice1e57a13598e7a48b0bf3298fc318f4ce012ee6
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Adds extern "C" { } blocks to header files so that they can be
safely used by C++ source files.
Change-Id: Ia4db0c36a5dac5d3de351184a297d2af0df64532
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Enable both controllers by default if GPIO is enabled, providing all the
necessary information.
Change-Id: I5aab00324b10492eefb67e9595da491775cbd95d
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
There is no such thing as "IA" in Quark SE SS as it is an ARC core. Plus
for this very specific feature it does not require the ARC aux regs
instruction to read/write in the given mask address.
And fixing also the CONFIG_ option to check.
Change-Id: I1f63348ec85f6e006795f7641c912a30fc003709
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This is valid only for Quark SE and Quark SE SS, where it requires to
unmask the interrupt for each specific controller. Thus making the
function generic, using the parameter as the specific mask base address.
Change-Id: Iea0a412b8d94a1ab5e1f3e339eaf632eacee5797
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
We can save a great deal of RAM this way, it only needs to be
in RAM if dynamic interrupts are in use.
At some point this config option broke, probably when static
interrupts were introduced into the system.
To induce build (instead of runtime) errors when irq_connect_dynamic()
is used without putting the table in RAM, the dynamic interrupt
functions are now conditionally compiled.
Change-Id: I4860508746fd375d189390163876c59b6c544c9a
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This reverts commit 778d5b11c5327be4b40c7745e9beaecfd6327e13.
This patch has been identified as breaking the build when trying
to manually build non-x86 applications.
Change-Id: I1857745049dfef7193de58737108314b7aae01c5
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This converts the i2c_quark_se_ss to use the static IRQ API.
Note that, even with separate config functions for each instance of
the driver, it is still saving both RAM and ROM space.
Change-Id: Ieb555ff281b384d87d8e69f6914878bbee0e2ee9
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Decisions on compiler optimizations were done on the architecture level,
this does not scale and some SoCs will have different optimization levels
or compiler options needed. Moving this to the SoC makes it easy to optimize
differently when using the same CPU which we use to set the right optimization
now on the architecture level.
For IAMCU platforms, use the right architecture and tuning.
-march=lakemont -mtune=lakemont -miamcu -msoft-float
Change-Id: I0f77cffe7a139f8b2620935094437d0dfd160dfe
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
The Kbuild system first looks for a Kbuild file, then it looks for
a make file.
Use the Kbuild for object building and leave the Makefile for definding
build options and compiler flags and other SoC related defines.
Change-Id: I0be59bb5ae02a29108a188efbd6f14dcdb7de4ee
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
The interrupt API has been redesigned:
- irq_connect() for dynamic interrupts renamed to irq_connect_dynamic().
It will be used in situations where the new static irq_connect()
won't work, i.e. the value of arguments can't be computed at build time
- a new API for static interrupts replaces irq_connect(). it is used
exactly the same way as its dynamic counterpart. The old static irq
macros will be removed
- Separate stub assembly files are no longer needed as the stubs are now
generated inline with irq_connect()
ReST documentation updated for the changed API. Some detail about the
IDT in ROM added, and an oblique reference to the internal-only
_irq_handler_set() API removed; we don't talk about internal APIs in
the official documentation.
Change-Id: I280519993da0e0fe671eb537a876f67de33d3cd4
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Instead of relying on the Kconfig variables use a common scheme for
naming i2c devices and use it directly in application.
Change-Id: I745af68d7c1767cc8a24f9655fa45fa33f6baf93
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
The ARC EM family processors do not support native atomic assembly
instructions (LLOCK and SCOND). Therefore, the assembly version
of atomic functions cannot be used. This adds pure C version of
these atomic functions.
Change-Id: Ic64dd31b0367b6dcf3a46f41c0c7ac2c2ce5eb8d
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This patch moves the CONFIG_STACK_CANARIES check from architecture's
Makefile to the root Makefile since this option is kernel-related,
not architecture-related. This way we avoid replicating the same
CONFIG_STACK_CANARIES check in several Makefiles.
This patch also removes some blank lines from the Makefiles it touches.
Change-Id: I458f92fa6799526c608369d1e56579936bcb196e
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
The semantics of this value is that it allows for the use of IRQ lines
0 through CONFIG_NUM_IRQS - 1.
Change-Id: I0287da931b06253065f4fba076e9a949dcb3cf53
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Too many entries were being created in this table. It needs to
create indexes starting from 16 to CONFIG_NUM_IRQS - 1, since IRQS 0-15
are reserved for CPU exceptions and are not handled through this
mechanism.
generic_arc was still using the old C-based table which is
incompatible with the static IRQ implementation. An attempt was made
to move the SW IRQ table to arch/arc/core, but linker issues were
encountered and this will be done in another patch.
With CONFIG_NUM_IRQS set to 68 on Quark SE, inspection of binary
with objdump -x reveals that we are generating table entries:
00000000 g O .isr_irq16 00000000 _sw_isr_table
00000000 w O .gnu.linkonce.isr_irq16 00000000 _isr_irq16
00000000 w O .gnu.linkonce.isr_irq17 00000000 _isr_irq17
00000000 w O .gnu.linkonce.isr_irq18 00000000 _isr_irq18
...
00000000 w O .gnu.linkonce.isr_irq67 00000000 _isr_irq67
Which is exactly what we need.
Change-Id: I8ca1682128ae67e2a24642791b7ce31ebca759bf
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
The ARC is an architecture that supports tickless idle in
nanokernel-only systems, and it thus must signal this to the build
system.
Change-Id: I96b0a4e8f78b2ea67d2f1b3384e94a32d8eb80e8
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Modified interrupt handling and idle code to enter and exit tickless
idle mode.
Change-Id: I3461ab6dba30003a4317027fc50a3ba07e830015
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
CONFIG_NUM_IRQS expresses the total number of available interrupt
lines in the system, and is used to generate a vector table.
On ARC, the vector table is assembled from two parts, _VectorTable
for the first 16 entries (reserved for CPU exceptions), and
_IrqVectorTable for the remainder. The code that creates _IrqVectorTable
was not taking this into consideration and was 16 entries too big.
Change-Id: I676c8534274de8782178f3773bc53a817b89481f
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
On ARC the IRQ and exception vectors are just one big array of
function pointers placed at the very beginning of the binary in ROM.
Vectors 0-15 are for CPU exceptions, 16-255 for interrupts.
In Zephyr these have been logically split into an execption table
followed immediately by the IRQ table, specified in the ARC linker.cmd.
However, the exception vector table defined in Zephyr had only 14
entries so the IRQ table was misaligned by 8 bytes. This went undetected
for some time as in the default configuration every entry in the IRQ
table pointed to the common demux function _isr_enter().
This patch correctly ensures that the IRQ table begins at address
0x40000040 instead of 0x40000038 like it had been.
Change-Id: I3b548df0dcabeb9d986ecd6a41e593bd02e3bd73
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Causes problems for large values of CONFIG_NUM_IRQS.
Some inconsistencies have been noted in how CONFIG_NUM_IRQS is
used on these platforms, with bugs filed. This patch preserves
existing behavior and has been shown to generate the same number
of table entries for both arches using objdump.
Change-Id: I1d3ac5466978acb56e88a6dc3cbe7cc09431e94d
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Let the SoC decide the number of the IRQs. Fixes a bug where
Quark SE gets the default instead of the declared value in the SoC
Kconfig.
Change-Id: I978c923fbe2a0737ace27ec951bc3a46e8976584
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
_IrqVectorTable was renamed to _irq_vector_table
Change-Id: I1488bebc7d8174c08f3ce2dc8bcace6ef567aad6
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
The current gpio_dw_initialize implementation masks the interruptions in the line
dw_write(base_addr, INTMASK, ~(0)) to assign api functions and initialize
interrupt vectors and handlers safely. Immediately after this, the driver expects
that gpio_dw_unmask_int(port) unmasks the interrupts. Without this patch that
implementation is empty for the quark se ss board.
Change-Id: Iac84c8807fcadad8c256c3fcaa4ff624b6337bf3
Signed-off-by: Juan Manuel Cruz <juan.m.cruz.alcaraz@linux.intel.com>
Warning comes during compilation about missing prompt, this sets
the prompt for this SoC.
Change-Id: If8b422d6a870eb99c219ab872924875eb04fba0c
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Change terminology and use SoC instead of platform. An SoC provides
features and default configurations available with an SoC. A board
implements the SoC and adds more features and IP block specific to the
board to extend the SoC functionality such as sensors and debugging
features.
Change-Id: I15e8d78a6d4ecd5cfb3bc25ced9ba77e5ea1122f
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Define boards based on platforms/SoCs and define them under boards/.
Also unify the naming of all platform, SoC and board files and use
platform.h for platforms and board.h for boards.
Change-Id: Icfeb96479ab5800aca98c80a79bdc3cecd645314
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
On Arduino 101, the sensor subsystem also has access to the two UARTs
on board. So this adds the necessary code to enable them to be used.
However, one needs to make sure only one core has access to one UART
at the same time.
Change-Id: I9f6c203916164d1b48559a9752fb1e4d879d7fa4
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
1. Need to unmask interrupts for the sensor subsystem.
2. The GPIO controllers need their clock enabled before they can
start sending out interrupts.
3. Setting up ISR on ARC requires usage of irq_connect().
Change-Id: I633b07292f11e5c5e768fc51fabb70769d407609
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
The interrupt number for GPIO0/GPIO1 are 20 and 21 respectively.
The old value of 8 refers to the interrupts line on the x86 side
of GPIO controller.
Change-Id: I2e9e061d3506e27cb7b14e0431c3b6201a50aad4
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
To many people, IPI connotes inter-processor interrupts on SMP
systems. Rename this to IPM, or Inter-Processor Mailboxes.
Change-Id: I032815e23c69a8297c0a43992132441c240fb71e
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
define CONFIG_PLATFORM only once in arch/Kconfig and set it
for every platform.
Change-Id: I8554bb36d2d15c3ee71fa63dfc3a763ebca956ee
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Saves an errno per-thread, retrieved via _get_errno(), instead of
changing the value of a global variable during context switches to avoid
a hit to the context switch performance.
Per-arch asm implementations are provided for maximum performance.
Enabled by default, but can be disabled via the CONFIG_ERRNO option.
Change-Id: I81d57a2e318c94c68eee913ae0d4ca3a3609c7a4
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Removed old style file description and documnetation and apply
doxygen synatx.
Change-Id: I3ac9f06d4f574bf3c79c6f6044cec3a7e2f6e4c8
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Removes the 'priority' parameter from the IRQ_CONFIG macro.
This parameter was not used anymore in any architecture.
The priority is handled in the IRQ_CONNECT macro.
The documentation is updated as well.
Change-Id: I24a293c5e41bd729d5e759113e0c4a8a6a61e0dd
Signed-off-by: Juan Manuel Cruz <juan.m.cruz.alcaraz@linux.intel.com>
Adds static irq support for the Quark SE platform for the ARC core.
New linker sections and sw isr table initialization is needed to support
static IRQ.
Change-Id: I82af98a189f5a156e7f1018f3ecdbfa73ad3e6ef
Signed-off-by: Juan Manuel Cruz <juan.m.cruz.alcaraz@linux.intel.com>
IRQ_CONNECT_STATIC takes 6 arguments on other
architectures, but the ARC one had only 5.
Change-Id: I257e8db12582ee2d6f93bba63af9aa597197a53d
Signed-off-by: Juan Manuel Cruz <juan.m.cruz.alcaraz@linux.intel.com>
Use device name to find the UART device for console usage, instead of
relying on an arbitrary index.
Change-Id: Iebe01c9bf392dfee6d8284367f67647f7d47561a
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
() Rename nsim_uart.c to uart_nsim.c. This is to follow
the driver naming convention.
() Rename functions nsim_uart_*() to uart_nsim_*(),
following driver naming convention.
() UART ports initialization is moved into the driver itself.
All the init code in platform config files is removed.
() Adds (many) Kconfig options. These don't have to be defined
in each platform's board.h anymore.
Change-Id: If015f39a6f6b4fcc65625e6e5f973b4469202f54
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
() Renames ns16550.c to uart_ns16550.c. This is to follow
the driver naming convention.
() Renames functions ns16550_uart_*() to uart_ns16550_*(),
following driver naming convention.
() UART ports initialization is moved into the driver itself.
All the init code in platform config files is removed.
() Adds (many) Kconfig options. These don't have to be defined
in each platform's board.h anymore.
() Renames CONFIG_NS16550_* to CONFIG_UART_NS16550_*
() Disable NS16550 for ARC as no port is defined anyway.
Change-Id: I76bbe25b9bc75eb62df81e533f84f4f63a5257b7
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Uses the "trap_s" exception to simulate entry into IRQ context;
offloaded functions run on the FIRQ stack.
Change-Id: I310ce42b45aca5dabd1d27e486645d23fa0b118f
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
The linker scripts for the quark_se_ss and generic_arc platforms are the
exact same, so extract the contents in an includable file.
Change-Id: I2cb90a6f819b12db77880228e41ff14c9755d59a
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This platform if actually a subsystem of the Quark SE SoC and is
not standalone. Use a more descriptive name and remove the architecture
from the platform name.
Change-Id: I16b1ab8dd668441683b07fc4512c219924463441
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Put initialization priorities as device driver Kconfig
parameter.
Initialization priority value for each platform is defined
in the platform Kconfig file.
Drivers and platform code use SYS_DEFINE_DEVICE to add
and initialization function.
Change-Id: I2f4f3c7370dac02408a1b50a0a1bade8b427a282
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
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>
Avoid having to remove quotes wherever the platform name is used
by exporting the variable only once.
Change-Id: I4cb51901e4ac19d70d0310fe6bbacd157f586661
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
The defauls set in architecture Kconfig are not being overwritten
by the platform, so remove those and rely on platform provided
data.
Change-Id: Ia71d9d14dddce94c29b9ca957b4ed3ae8838d96c
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Using int for the Kconfig variable to resolve warnings from Kconfig.
Change-Id: If2574753fd5761b59f37a8bccea8c5f6699cb363
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
They a) are unused, b) should not be in board.h, and c) are wrong on
ARC.
Change-Id: Ic40397d9cfcdf314544875f1443618865435d5e7
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
When building for a certain platform, we have no idea
what architecture we are building for.
We used to specify the architecture alongside the board or platform
name and this was used to find the defconfig in arch/<arch>/configs.
By putting all board configurations we support in one place we do
not have to specify the architecture, just the configuration name.
Change-Id: Ib7e9f63b9a8051714dc207f583fd26ef620497d8
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Do not depend on environment variables and use a kconfig variable
for defining the architecture.
In addition, remove the X86_32 variable, it just duplicates X86 for
not good reason, at least until start supporting MCUs with 64bit.
Change-Id: Ia001db81ed007e6a43f34506fed9be1345b88a4b
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Use CONFIG_PLATFORM to only build the selected platform. This
makes the makefile with drop-in platforms, does not need to be
changed for any new platforms.
Change-Id: I21f4bd88b04a7e53bc80b9710b1e7668def4e407
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Use CONFIG_PLATFORM to only build the selected platform. This
makes the makefile with drop-in platforms, does not need to be
changed for any new platforms.
Change-Id: I8720ba1501b6e1929bfec294f5bb1c7466d65049
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Move platform related data and definition to the platform
directory and include it using:
arch/<arch>/platforms/*/Kconfig.platform
This way we will able to add a platform as a directory of
content without the need to change and Kconfig files.
Platforms can then be included by reference (using repo or
git submodules and does not need to be part of the zephyr
project)
Change-Id: I5e71f5394c22edb346f7d61d9448b8e1c68e1f9b
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Flags allow passing IRQ triggering option for x86 architecture.
Each platform defines flags for a particular device and then
device driver uses them when registers the interrupt handler.
The change in API means that device drivers and sample
applications need to use the new API.
IRQ triggering configuration is now handled by device drivers
by using flags passed to interrupt registering API:
IRQ_CONNECT_STATIC() or irq_connect()
Change-Id: Ibc4312ea2b4032a2efc5b913c6389f780a2a11d1
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
Adds the following standard symbols to the arc linker scripts:
_image_rom_start
_image_rom_end
_image_ram_start
_image_ram_end
Change-Id: Ib1dfa1dcb85140193557e72536145e74eb3ebb91
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Standardizes on using symbol names _image_text_start and
_image_text_end instead of __text_start and __text_end.
Change-Id: I160ed6b4f117483fcffdfa04ce10bd6a5151704a
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
This was kept around since it used to be necessary for x86, and we
want our APIs to keep partity across arches, but with the x86 IRQ
refactoring this is no longer needed.
Change-Id: Iacd61f4c4d3cc33b4a15bfa083e106ba6d5da942
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Only allow valid values to be set for this option.
Change-Id: I11dd7381ddbf6d4d9985255b9b784544074aba63
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
The \NOMANUAL tag is a remnant from days of yore and is no longer
needed or useful. Cleaning up the code references to this.
Change-Id: I1b8cc9c9560d1dbb711f05fa63fd23386789875c
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
Change-Id: I6da43e41f9c6efee577b70513ec368ae3cce0144
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Moving many of the functions from the old format of inline comments to
the newer doxygen format.
Change-Id: Ib0fe0d8627d7cd90219385a3ab627da8f9637d98
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
Only driver specific public headers should be found in include/drivers.
All generic API are found in include/ directory.
Change-Id: Ic50931987bb9460fd4a3843abc6f5de107faf045
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
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>
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>
Move Zephyr specific CFLAGS that depend on config options to
the Makefile where they can better be managed among other cflag
options.
Change-Id: Ia79a2f2def4f51857f6d661aa78e9fb7eb7a5e22
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Do not use micro_* or nano_* defconfigs, instead maintain platform
in one single defconfig and merge nano or micro support on top.
Change-Id: I0d5184f37865ed8312e516e48cf5a8584a287dfe
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
do not use microkernel or nanokernel as the output binaries,
instead, use zephyr globally.
Also change the documentation to reflect this.
Change-Id: I8405761d1a0392c90cdfeec5c67d72eb4e5a76ff
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
All supported platforms have descending stack (growth direction is
down). To avoid confusion just remove not needed stack direction
defines.
If new platform with stack direction up is added is should be
configured by adding Kconfig option eg STACK_GROWS_UP and
CONFIG_STACK_GROWS_UP should be used in code that depends on
stack growth direction.
Change-Id: I786ff1ab28d8f8bad3f6d1bbe64defc0e81d1707
Signed-off-by: Szymon Janc <ext.szymon.janc@tieto.com>
There are devices that need are part of the architecture core the need
to be initialized prior to devices that are integrated around a core
to make up a complete SOC. Namely the interrupt controller in the SOC
must be configured in order to allow the integrated IP blocks drivers
to initialize correctly.
Change-Id: I0a91e08f98516a7b7dd402ffc6494a071f1326b2
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
if printk is disabled, the variables will be unused and we will
get compiler warning.
Change-Id: I5dad791ae89d7a8c98f9e4660da472ef0caacc92
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
The generic name is too generic and when it appears on its
own, for example nano_generic_defconfig, it is not
visible what the file is about, so call it generic_arc the same
way the Kconfig platform is called.
Change-Id: Icf737f305d84142dad4f52fd26a5c7481f9fc5be
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Add support for a "generic" ARC implementation. This is a misnomer
since ARC platforms are synthesized by the SOC vendor and are specifc
to a given vendors implementation/configuration. This platform
support if for an SOC where we are allowed to let the code to support
the SOC into the wild but not allowed to name it in public.
This change allows to work on support for the SOC in the open and let
the rest of the community see the evolution of of the platform.
Change-Id: Idbb52fc80464ec04e91665871951f6ea79e5299d
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
The option is being referended by the same file
but is not being defined anywhere.
Change-Id: I5e0ec4c29cba773a5256bae52190a117fcc12bf3
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This was messed up due to lack of arc platform to test.
Change-Id: I5abda172dddf54532c1bcb66f36d02db7f7d7ff4
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Put architecture option and ARCH_DEFCONFIG on the top
and simplify default options for the architectures.
Change-Id: I4cae73f3e9ec24913e201269ec6dc8eddc2fd7c1
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Follow the model of the Linux kernel for adding arch
specific CFLAGS by using the Makefile and Kbuild combination
in the arch/<arch> directory.
This will also allow adding architecture specific targets and is
easy to maintain when alongside the architecture.
Change-Id: If51a78e8845baa71d9090c4a4f49fcd013354840
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Add the sleep events point for x86 and ARM arquitectures that gives
information about when the CPU went to sleep mode, when it woke up
and which interrupt causes the CPU to awake.
Change-Id: Iaa06a678eab661357d084ee1f79c4cfcf19bf85d
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
Add the interrupt profile points for x86 and ARM arquitectures. This
gives information regarding the time when interrupts occur.
Change-Id: Ic876c0e7f9e8819d53e0578416f09146f4456d3d
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
Also for ARC, rename context_wrapper.S to thread_entry_wrapper.S.
Change-Id: I83318ae352a688996f8436cf3252f6108ec23dc5
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The term 'context' is vague and overloaded. Its usage for 'an execution
context' is now referred as such, in both comments and some APIs' names.
When the execution context can only be a fiber or a task (i.e. not an
ISR), it is referred to as a 'thread', again in comments and everywhere
in the code.
APIs that had their names changed:
- nano_context_id_t is now nano_thread_id_t
- context_self_get() is now sys_thread_self_get()
- context_type_get() is now sys_execution_context_type_get()
- context_custom_data_set/get() are now
sys_thread_custom_data_set/get()
The 'context' prefix namespace does not have to be reserved by the
kernel anymore.
The Context Control Structure (CCS) data structure is now the Thread
Control Structure (TCS):
- struct ccs is now struct tcs
- tCCS is now tTCS
Change-Id: I7526a76c5b01e7c86333078e2d2e77c9feef5364
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This commit fixes an issue with INIT_STACKS configuration option.
k_memset is substituted by the libc memset routine to initialize a
block of memory.
Change-Id: Ic3e286d0976f618110b2828f6da76417b868aef0
Signed-off-by: Juan Manuel Cruz <juan.m.cruz.alcaraz@linux.intel.com>
The inline versions are renamed to remove the _inline suffix, and the
non-inline versions are removed from the code base.
Change-Id: Iee2e6adcfb5da1fe0a978a05aa854e10ae82a8b8
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The inline versions are renamed to remove the _inline suffix, and the
non-inline versions are removed from the code base.
Change-Id: I7314b96c42835f15df4c537ec11ab7961d4ee60f
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Standardize on using the irq_lock/irq_unlock (non-inline) symbols
everywhere.
The non-inline versions provide absolutely no benefits, so they will be
removed in a subsequent commit, and the inline versions will have their
_inline suffix removed.
Change-Id: Ib0b55f450447366468723e065a60adbadf7067a9
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
irq_handler_set, irq_priority_set and irq_disconnect have been made
private by prepending an underscore to their names:
irq_handler_set -> irq_handler_set
irq_priority_set -> irq_priority_set
irq_disconnect -> irq_disconnect
The prototypes have been removed from header files when possible, and
extern statements used in C code where they were called.
_irq_priority_set() for ARM is still in the header file because
IRQ_CONFIG() relies on it.
Change-Id: I2ad585f8156ff80250f6d9eeca4a249a4477fd9d
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Add the context switch profile point for x86 and ARM arquitectures.
Change-Id: Ib7205059104ed47b96ba75b8cfefec3ff35f6813
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
Add a standardized mechanism to add profiling points to the Kernel
with a single interface for the user to collect the profiling data.
Change-Id: I4fa34ac1b42f73a73ba1fd805e755ee2fd00dff7
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
Add a log event tool with a single interface for the user to
add/collect the event log data.
Change-Id: Ia4b78836748c5d7e44ba1bdd50c28434e8a55d65
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
There were some typos and some weird phrasing.
Change-Id: I7b183755058e5ffedca97d434c43f448aafd1926
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The Kconfig option PROT_MODE_SWITCH_PROMPT was being used to conditionally
display the "Boot Sequence Options" Kconfig menu. It is simpler to include
both PROT_MODE_SWITCH and its dependent BOOT_A20_ENABLE in the parent menu.
However, doing so necessitates that the name of the parent menu be changed
from "Bootloader Options" to "Boot Options".
Change-Id: I9b9a074a0d4ec5209f5349b42178409c73875b00
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
include nanokernel.h and misc/util.h
Those are needed after the restructuring and changes done
to public APIs.
Change-Id: Icbb1d182419e793afe7a74b14af1f31180967f39
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
One of many steps in the transform BSPs to platforms work item. At the end
of this work item, there should not be any code in the 'arch/arc' directory.
Change-Id: If72a6a858eb4b0f1521191fca441bed4acc6d8ce
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Remove function name from comment and add @brief instead.
Also capitilize first letter.
Change-Id: Ib708b49bf02e5bc89b0066637a55874e659637e0
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Previous comment style used RETRURNS:, use @return to comply
with javadoc style.
Change-Id: Ib1dffd92da1d97d60063ec5309b08049828f6661
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
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>
Use Kconfig to define this variable and remove its
previous definitions from board.h. This will simplify
creation of different variants from a single platform.
Change-Id: I0aaa5aa81dedf096c6d8c1ea2d509c71817336d3
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Updates references to CONFIG_BSP_DIR to CONFIG_PLATFORM as part of the
BSP -> platform clean up.
Note that despite the renaming, the usage of the config option remains
unchanged.
Change-Id: I2846c3f761cf09871019c0855bf1824ae03e6b3c
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
also change Zephyr OS to Zephyr Kernel.
Use a script to check and update all default configurations.
Change-Id: I9614d698fd5b7c803590e83a7429403357c09a94
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
The revised name better reflects the fact that the file defines
macros in addition to declaring variables. In addition, most of
these APIs use the "sys_clock_" prefix, which aligns well with
the new file name.
Change-Id: Ib33517d4b19ec2455303b87200c677e87640fcbc
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Eliminates unnecessary "offsets" subdirectory, and aligns file
name with gen_offset.h which resides in the same directory.
Change-Id: I8cea3bc54b5ceae3091d4a5c77c59ab826339f75
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Eliminates use of non-standard camelCase file name.
Change-Id: I809de5f72b40adfd49cbc128992de934e3ec66e3
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
The new name better reflects that this file contains all private
nanokernel APIs that are used by various kernel subsystems.
Change-Id: I4c258d582e93753eec9e575fdb5f9f2109417a0f
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
s_NANO contains the timeout queue, and each ccs needs a struct
_nano_timeout object that gets linked in the nanokernel timeout queue.
Change-Id: Iad027eaaebcffe190e95f0b9d068f047062559c2
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This commit set back .S as the assembly code extension for Kbuild.
Change-Id: Ib0119876bd0bed6617bbfbad2ca6a44e172ab042
Signed-off-by: Juan Manuel Cruz <juan.m.cruz.alcaraz@linux.intel.com>
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>
Gets rid of references to the obsolete OS name. (Note that removing
the build system comment entirely makes sense, since there are no
other comments for anything else in the file.)
Change-Id: I4473b016c1c85be48ac9ab8d5b8f6a5b11dd58d0
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Eliminates duplication of these entries by the various architecture-
specific include files for private nanokernel APIs.
Change-Id: I711c3b42fe375d1574ce4a540142c3b507b71557
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Introduces nano_internal.h, which will declare all architecture-
independent non-public nanokernel APIs. This file is automatically
incorporated by the various architecture-specific include files
for non-public nanokernel APIs, and will not normally be included
directly by any other files.
Change-Id: I9f3de812a5747cc720fa0ff739007315e8d07dd9
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
Not only is __start is a neutral label, but using a common entry point for all
architectures allows the entry point to be hoisted out of the linker script and
specified by the build system.
Change-Id: Ibcbb11a40ff964e0fc3c90afcfe231746071b040
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
Replace duplicate code and will allow for further cleanup by possibly
consolidating micro/nano code that is currently guarded by preprocessor
conditionals.
Change-Id: I9aa9966c581244646b6ea317ef8b51fef9054dd4
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
The correct call is nano_isr_lifo_put, but they are aliases of each
other, so that never caused an issue at runtime.
Change-Id: Ibec8e6d3377133e5e67589c5a3ad1b8fb3cc652c
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Updating global variable's name to follow a consistent naming convention.
Explicitly moved from __ to _ by direction of Ben Walsh
Change accomplished with the following script:
#!/bin/bash
echo "Searching for ${1} to replace with ${2}"
find ./ \( -name "*.[chs]" -o -name "sysgen.py" -o -name "*.kconf" -o -name "*.arch" \) \
! -path "./host/src/genIdt/*" \
! -path "*/outdir/*" | xargs sed -i 's/\b'${1}'\b/'${2}'/g';
Change-Id: Idd6f7c3c2fdd818f0a794985f3689705cac3c0a2
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
Updating global variable's name to follow a consistent naming convention.
Change accomplished with the following script:
#!/bin/bash
echo "Searching for ${1} to replace with ${2}"
find ./ \( -name "*.[chs]" -o -name "sysgen.py" -o -name "*.kconf" -o -name "*.arch" \) \
! -path "./host/src/genIdt/*" \
! -path "*/outdir/*" | xargs sed -i 's/\b'${1}'\b/'${2}'/g';
Change-Id: I7fc572f869c5f104538cfb3f84b1b36071e54dde
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
Updating global variable's name to follow a consistent naming convention.
Change accomplished with the following script:
#!/bin/bash
echo "Searching for ${1} to replace with ${2}"
find ./ \( -name "*.[chs]" -o -name "sysgen.py" -o -name "*.kconf" -o -name "*.arch" \) \
! -path "./host/src/genIdt/*" \
! -path "*/outdir/*" | xargs sed -i 's/\b'${1}'\b/'${2}'/g';
Change-Id: Icf5900c057f3412d3c7725c07176fe125c374958
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
Updating local variable's name to follow a consistent naming convention.
Change accomplished with the following script:
#!/bin/bash
echo "Searching for ${1} to replace with ${2}"
find ./ \( -name "*.[chs]" -o -name "sysgen.py" -o -name "*.kconf" -o -name "*.arch" \) \
! -path "./host/src/genIdt/*" \
! -path "*/outdir/*" | xargs sed -i 's/\b'${1}'\b/'${2}'/g';
Change-Id: I80ccb884f1ffd8f3740cd9298787462485b08024
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
Moves all files in this sub-directory to kernel/nanokernel, then
deletes the sub-directory itself. Both of the relocated files are
associated with fundamental nanokernel capabilities, which makes
their inclusion in the main nanokernel source directory logical.
Change-Id: Ifae46a50c60f67e9226d3a33cd0086b644b291ba
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Moves all files in this sub-directory up one level, to the main
nanokernel source directory, then deletes the sub-directory itself.
This change means that all nanokernel source files (with the
excecption of its include files) are now in the main nanokernel
source directory, which is a more intuitive arrangement.
Change-Id: I6bd4b1bb6fdd9be13d57b320947f520a5bc73914
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Renaming camelCase _SpuriousIRQ makes code more readable and
consistent.
Change-Id: I2bda4d107091384811d9f9187f3529960842631e
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Modifies the name of this field to make its purpose clearer,
and to align with coding conventions.
Change-Id: I8de78df1a0459122067d650130e01078afb5af8a
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Revises code that was previously conditional on HOST_TOOLS_SUPPORT
but is now conditional on CONTEXT_MONITOR.
Change-Id: I78a9126c5a66128f5aafe6b4220b3c7c68e01335
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Revises this option to make its purpose clearer, and to align it
with other experimantal monitoring-type configuration options.
Change-Id: I593bb7560b5a0544eb05affaa07b59dd78ea907e
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Updating global variable's name to follow a consistent naming convention.
Change accomplished with the following script:
#!/bin/bash
echo "Searching for ${1} to replace with ${2}"
find ./ \( -name "*.[chs]" -o -name "sysgen.py" -o -name "*.kconf" \) \
! -path "./host/src/genIdt/*" \
! -path "*/outdir/*" | xargs sed -i 's/\b'${1}'\b/'${2}'/g';
Change-Id: I2e501394b7fa4264d9854659e2dd008e5c94b540
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
Updating global variable's name to follow a consistent naming convention.
Change accomplished with the following script:
#!/bin/bash
echo "Searching for ${1} to replace with ${2}"
find ./ \( -name "*.[chs]" -o -name "sysgen.py" -o -name "*.kconf" \) \
! -path "./host/src/genIdt/*" \
! -path "*/outdir/*" | xargs sed -i 's/\b'${1}'\b/'${2}'/g';
Change-Id: Iebefec0e02cbb838564dd71fd4424c1adbff31f5
Signed-off-by: Yonattan Louise <yonattan.a.louise.mendoza@intel.com>
