Commit Graph

202 Commits

Author SHA1 Message Date
Flavio Ceolin 78f27a81f5 kernel: Using the same paramenters names in a specific function
MISRA-C requires that all declarations of a specific function, or
object, use the same names and type qualifiers.

MISRA-C rule 8.3

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2018-09-28 07:58:19 +05:30
Krzysztof Chruscinski 27459a13e4 arch: Add LOG_PANIC to fault handlers
Added LOG_PANIC to fault handlers to ensure that log is flush and
logger processes messages in a blocking way in fault handler.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
2018-09-27 13:11:26 +05:30
Flavio Ceolin 4a211ec241 include: Add missing headers guard
Add missing headers guard

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2018-09-17 15:49:26 -04:00
Flavio Ceolin 67ca176754 headers: Fix headers across the project
Any word started with underscore followed by and uppercase letter or a
second underscore is a reserved word according with C99.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2018-09-17 15:49:26 -04:00
Flavio Ceolin da49f2e440 coccicnelle: Ignore return of memset
The return of memset is never checked. This patch explicitly ignore
the return to avoid MISRA-C violations.

The only directory excluded directory was ext/* since it contains
only imported code.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2018-09-14 16:55:37 -04:00
Anas Nashif abcf2ad5a8 kconfig: move soc selection to ZEPHYR_BASE/soc/
Rather than do that for each architecture, source SoC Kconfigs where the
code is maintained, under ZEPHYR_BASE/soc.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-09-13 00:56:48 -04:00
Anas Nashif cea0b3a9c2 xtensa: move soc to top-level dir soc/
Move the SoC outside of the architecture tree and put them at the same
level as boards and architectures allowing both SoCs and boards to be
maintained outside the tree.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-09-13 00:56:48 -04:00
Sathish Kuttan c5f04d7c24 arch: xtensa: remove extra #endif
Remove extra #endif that should have been removed when the
corresponding #ifdef CONFIG_KERNEL_EVENT_LOGGER_SLEEP was
removed in commit a2248782a2

Signed-off-by: Sathish Kuttan <sathish.k.kuttan@intel.com>
2018-09-04 14:27:33 -04:00
Anas Nashif 3298905bfe xtensa: removed obsolete headers
Went in by mistake in a bad rebase, fixes #9753.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-09-01 13:58:46 -04:00
Anas Nashif 483910ab4b systemview: add support natively using tracing hooks
Add needed hooks as a subsystem that can be enabled in any application.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-08-21 05:45:47 -07:00
Anas Nashif a2248782a2 kernel: event_logger: remove kernel_event_logger
Move to more generic tracing hooks that can be implemented in different
ways and do not interfere with the kernel.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-08-21 05:45:47 -07:00
Adithya Baglody bb918d85f8 tests: benchmarks: timing_info: Enable benchmarks for xtensa.
This patch provides support needed to get timing related
information from xtensa based SOC.

Signed-off-by: Adithya Baglody <adithya.nagaraj.baglody@intel.com>
2018-08-20 06:51:25 -07:00
Sathish Kuttan 824bcaca52 xtensa: intel_s1000: Add SoC level SYS_INIT
Added a SYS_INIT for SoC level initialization of Intel S1000
Added routines for setting up resource ownership for
    DMA, I2S
Added routine to setup power gating and clock configuration

Signed-off-by: Sathish Kuttan <sathish.k.kuttan@intel.com>
2018-08-19 11:06:09 -07:00
Ulf Magnusson 17f1b0adec Kconfig: Switch to improved globbing statements
A design flaw of 'gsource' is that there's no way to require at least
one file to match the glob pattern. This could lead to silent errors.

Switch to a new design, where a plain 'source' is globbing and requires
at least one file to match. A separate 'osource' (optional source)
statement is available for cases where it's okay for a pattern (or plain
filename) to not match any files.

'orsource' combines 'osource' and 'rsource' (relative source).

This commit search-replaces 'gsource' with 'source', but backwards
compatibility with 'gsource' is still maintained by making it an alias
for 'osource' (and by making 'grsource' an alias for 'orsource').

The three Kconfig files arch/{nios2,posix,xtensa}/Kconfig source
arch/{nios2,posix,xtensa}/soc/*/Kconfig, which doesn't match any files.
Use 'osource' for those. The soc/*/Kconfig files seem to be for
additional SoC-specific symbols, only none exist yet on those ARCHes.

Also use 'osource' for the source of $ENV_VAR_BOARD_DIR/Kconfig in
boards/Kconfig, which doesn't exist for all boards.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2018-08-15 04:07:44 -07:00
Ulf Magnusson ec3eff57e0 Kconfig: Use the first default with a satisfied condition
Up until now, Zephyr has patched Kconfig to use the last 'default' with
a satisfied condition, instead of the first one. I'm not sure why the
patch was added (it predates Kconfiglib), but I suspect it's related to
Kconfig.defconfig files.

There are at least three problems with the patch:

  1. It's inconsistent with how Kconfig works in other projects, which
     might confuse newcomers.

  2. Due to oversights, earlier 'range' properties are still preferred,
     as well as earlier 'default' properties on choices.

     In addition to being inconsistent, this makes it impossible to
     override 'range' properties and choice 'default' properties if the
     base definition of the symbol/choice already has 'range'/'default'
     properties.

     I've seen errors caused by the inconsistency, and I suspect there
     are more.

  3. A fork of Kconfiglib that adds the patch needs to be maintained.

Get rid of the patch and go back to standard Kconfig behavior, as
follows:

  1. Include the Kconfig.defconfig files first instead of last in
     Kconfig.zephyr.

  2. Include boards/Kconfig and arch/<arch>/Kconfig first instead of
     last in arch/Kconfig.

  3. Include arch/<arch>/soc/*/Kconfig first instead of last in
     arch/<arch>/Kconfig.

  4. Swap a few other 'source's to preserve behavior for some scattered
     symbols with multiple definitions.

     Swap 'source's in some no-op cases too, where it might match the
     intent.

  5. Reverse the defaults on symbol definitions that have more than one
     default.

     Skip defaults that are mutually exclusive, e.g. where each default
     has an 'if <some board>' condition. They are already safe.

  6. Remove the prefer-later-defaults patch from Kconfiglib.

Testing was done with a Python script that lists all Kconfig
symbols/choices with multiple defaults, along with a whitelist of fixed
symbols. The script also verifies that there are no "unreachable"
defaults hidden by defaults without conditions

As an additional test, zephyr/.config was generated before and after the
change for several samples and checked to be identical (after sorting).

This commit includes some default-related cleanups as well:

  - Simplify some symbol definitions, e.g. where a default has 'if FOO'
    when the symbol already has 'depends on FOO'.

  - Remove some redundant 'default ""' for string symbols. This is the
    implicit default.

Piggyback fixes for swapped ranges on BT_L2CAP_RX_MTU and
BT_L2CAP_TX_MTU (caused by confusing inconsistency).

Piggyback some fixes for style nits too, e.g. unindented help texts.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2018-08-10 12:38:28 -07:00
Anas Nashif 942ab7ed35 esp32: include register headers in soc.h
This fixes a build issue on esp32 that was introduced recently with the
merge of an old PR.

Include the register headers in soc.h rather than soc.c and make them
available to other code via soc.h

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-07-16 19:00:32 -04:00
Vitor Massaru Iha f8718758e5 include: drivers: gpio: Turn functions generic - esp32
On 'drivers/i2c_esp32.c' there are functions useful for other
drivers. Functions and struct went moved to:

 * arch/xtensa/soc/esp32/peripheral.h
 * arch/xtensa/soc/esp32/soc.h
 * include/drivers/gpio/gpio_esp32.h

Signed-off-by: Vitor Massaru Iha <vitor@massaru.org>
2018-07-15 16:13:36 -04:00
Sebastian Bøe 347f9a0a2d cmake: LD: Specify the entry point in the linker scripts
The entry point can and therefore should be set by linker
scripts. Whenever possible one should express things in the source
language, be it .c or .ld, and not in code generators or in the build
system.

This patch removes the flag -eCONFIG_KERNEL_ENTRY from the linker's
command line and replaces it with the linker script command

ENTRY(CONFIG_KERNEL_ENTRY)

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
2018-07-03 17:18:14 -04:00
Ulf Magnusson 8cb6fb7223 arch: xtensa: Kconfig: Remove redundant 'default n' properties
Bool symbols implicitly default to 'n'.

A 'default n' can make sense e.g. in a Kconfig.defconfig file, if you
want to override a 'default y' on the base definition of the symbol. It
isn't used like that on any of these symbols though.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2018-06-26 11:07:57 -05:00
Alex Tereschenko 3c1a78ea0d cmake: replace PROJECT_SOURCE_DIR with ZEPHYR_BASE
Both variables were used (with the same value) interchangeably
throughout CMake files and per the discussion in GH issue,
ZEPHYR_BASE is preferred.

Also add a comment with explanation of one vs. the other.

Tested by building hello_world for several boards ensuring no errors.

Fixes #7173.

Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com>
2018-06-18 15:25:55 -04:00
Yasushi SHOJI 2e0af08e55 build: remove unused CMakeLists.txt
lib/libc/minimal/source/CMakeLists.txt and
lib/libc/minimal/source/stdout/CMakeLists.txt was introduced in
12f8f7616 but it is not used by the build system.  CMakeLists.txt in
the parent dir lib/libc/minimal/CMakeLists.txt adds C files to the
target with the lines like:

    ${CMAKE_CURRENT_SOURCE_DIR}/source/stdlib/atoi.c
    ${CMAKE_CURRENT_SOURCE_DIR}/source/stdlib/strtol.c

To make other empty CMakeLists.txt explicit, this commit adds a
comment line to them.

Signed-off-by: Yasushi SHOJI <y-shoji@ispace-inc.com>
2018-06-14 15:02:02 -04:00
Gautier Seidel 77643677a1 esp32: update to ESP-IDF v3.0-dev-2648-gb2ff235b
Recent ESP-IDF provides OS-agnostic wifi binary, needed by #3723

Closes #8240

Signed-off-by: Gautier Seidel <gautier.seidel@tado.com>
2018-06-13 18:53:43 -04:00
Rajavardhan Gundi 4ec773f276 DTS: intel_s1000: Clean up I2C and UART stuff from soc.h
Clean up some remnant stuff related to I2C and UART from soc.h
and put it in dts.fixup

Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
2018-06-11 17:27:58 -04:00
Rajavardhan Gundi e5b0e9ac07 DTS: interrupt controller: Define IRQ priorities for CAVS & DW ICTL
IRQ priorities for CAVS and DW were previously defined in Kconfig.
They are now defined via DTS and removed from Kconfig.

Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
2018-06-11 17:27:58 -04:00
Andrew Boie 2dd91eca0e kernel: move thread monitor init to common code
The original implementation of CONFIG_THREAD_MONITOR would
try to leverage a thread's initial stack layout to provide
the entry function with arguments for any given thread.

This is problematic:

- Some arches do not have a initial stack layout suitable for
this
- Some arches never enabled this at all (riscv32, nios2)
- Some arches did not enable this properly
- Dropping to user mode would erase or provide incorrect
information.

Just spend a few extra bytes to store this stuff directly
in the k_thread struct and get rid of all the arch-specific
code for this.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2018-06-06 14:26:45 -04:00
Sathish Kuttan 9f4702b3b4 arch: soc: intel_s1000: set M/N divider ownership
Add bit definitions and set M/N divider ownership in
i2s_initialize.
Changes to comply with coding guidelines
Changes to address review comments

Signed-off-by: Sathish Kuttan <sathish.k.kuttan@intel.com>
2018-06-01 08:59:01 -04:00
Sathish Kuttan ed33f43e48 arch: xtensa: intel_s1000: Reference clock API
Added a function to obtain the reference clock frequency value based on
SoC's bootstraps.
Added M/N divider base address in SoC header file

Signed-off-by: Sathish Kuttan <sathish.k.kuttan@intel.com>
2018-06-01 08:59:01 -04:00
Andy Ross 1fe6c36730 esp32: Add some "logging" voodoo to SMP initialization
At least one of my WROOM boards has trouble getting the APPCPU
started, that was magically getting better when I started adding
printk's to debug.  It turns out that UART output (and NOT simply idle
cycles of delay) was the magic dust to fix things.  As this SMP
implementation is reverse engineered voodoo to begin with, this hack
should be acceptable in the medium term.

See in-file comments on smp_log() for details.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
2018-05-31 14:02:03 -04:00
Ulf Magnusson 3ac3216d89 soc: defconfig: Consistently quote string defaults
In preparation for introducing a warning.

Unquoted string defaults work through a quirk of Kconfig (undefined
symbols get their name as their string value), but look confusing. It's
done inconsistently now too.

Suggested by Kumar Gala.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2018-05-26 19:17:48 -04:00
Andy Ross 3a0cb2d35d kernel: Remove legacy preemption checking
The metairq feature exposed the fact that all of our arch code (and a
few mistaken spots in the scheduler too) was trying to interpret
"preemptible" threads independently.

As of the scheduler rewrite, that logic is entirely within sched.c and
doing it externally is redundant.  And now that "cooperative" threads
can be preempted, it's wrong and produces test failures when used with
metairq threads.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
2018-05-25 09:40:55 -07:00
Sebastian Bøe cde6bef778 kconfig: Drop support for CONFIG_TOOLCHAIN_VARIANT
The Kconfig option TOOLCHAIN_VARIANT (not to be confused with
ZEPHYR_TOOLCHAIN_VARIANT) is a legacy configuration option that has
very few use-cases and can easily be dropped.

It's functionality is easily covered by CONFIG_X86_IAMCU and
ZEPHYR_TOOLCHAIN_VARIANT.

This commit removes all references of it from Zephyr.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
2018-05-22 11:15:36 -04:00
Savinay Dharmappa 2ebb6a1fee dts: intel_s1000: use dts to set i2c0 priority.
patch removes Kconfig used i2c0 priority, instead use the
macro generated from dts.

Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
2018-05-22 09:30:14 -04:00
Savinay Dharmappa 6701d44967 dts: xtensa: Fix build error due to dts changes for ns16550 driver.
patch add clock frequency and interrupt property to uart
node in intel_s1000.dtsi. Include soc.h after types.h to
prevent build error.

Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
2018-05-22 08:51:59 -04:00
Tomasz Bursztyka 61ef30d10e drivers/uart: Use dts to set uart options for ns16550 driver
Fix the ns16550 uart driver and relevant SoCs accordingly.
All generic settings are now DTS based.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
2018-05-18 20:18:50 +03:00
Andrew Boie 0daf69bb57 xtensa: fix CONFIG_INIT_STACKS for IRQ stack
The interrupt stack area wasn't being set to a repeating
0xAA pattern at boot as it should be. This is now done in
kernel_arch_init(), which runs before interrupts are
enabled for the first time.

Fixes #7327

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2018-05-16 12:06:31 -07:00
Savinay Dharmappa 48e2dba28f dts: xtensa: fix build error.
patch fix the build error due to wrong assignment of macro in
the dts.fixup file

Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
2018-05-16 10:25:19 -05:00
Ulf Magnusson 547ed9b563 kconfig: Make 'source' non-globbing and use 'gsource'
Until now, Zephyr has used a patched Kconfiglib that turns 'source' into
a globbing source (by replacing 'source' with 'gsource' at the token
level). There's two problems with this:

  - The patch needs to be maintained separately

  - Misspelled filenames are silently ignored, as they look like glob
    patterns that don't match anything

Fix it as follows:

  1. Replace all 'source' statements that use wildcards with 'gsource'

  2. Remove the custom Kconfiglib patch so that 'source' no longer globs

The sed pattern '/source.*[*?]/s/source/gsource/' was run over all
Kconfig* files to do the replacement.

source's that use environment variables that might contain glob patterns
were manually changed to gsource.

Building the docs in doc/ is a good test, as doc/Makefile deliberately
sets the environment variables to glob up as many Kconfig files as
possible.

Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
2018-05-08 11:14:12 +02:00
Savinay Dharmappa 7be3236ca4 dts: interrupt_controller: Add dts support for DesignWare controller
Add dts support for multilevel DW interrupt controller

Change-Id: Ia16d6870bd3a46fca933c906aedc6ba78ed5131a
Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
2018-05-01 16:46:41 -04:00
Savinay Dharmappa 9ee4929d56 dts: i2c: Add dts support for i2c
Change-Id: I9104f5230a4efbf1b6979e146e7ea73a76891947
Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
2018-05-01 16:46:41 -04:00
Savinay Dharmappa 97f721d928 dts: xtensa: Add device tree support for xtensa
Change-Id: I309bc50c6b575caa84fbc7ab98cc9890771b4274
Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
2018-05-01 16:46:41 -04:00
Savinay Dharmappa 5060f4bd14 driver: usb: enable usb2.0 on intel_s1000
Change-Id: I59091c465e84f1d6ba64433b7320182d83ff9589
Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-05-01 16:46:41 -04:00
Rajavardhan Gundi 5b6f02442b drivers: i2s: introduce CAVS I2S
Implements the driver for Intel CAVS I2S. Only Playback
is currently supported.

Change-Id: I7b816f9736dc35e79a81d3664d6405dc0aac15b4
Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-05-01 16:46:41 -04:00
Rajavardhan Gundi cea1c75e2b boards: intel_s1000_crb: enable DMA
Enable the CAVS DMA on intel_s1000. Also, introduce a test to
validate the DMA.

Change-Id: I2ff233c45cfd8aea55e254d905350a666aa649a0
Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-05-01 16:46:41 -04:00
Rajavardhan Gundi bd0d5133e4 drivers: dma: introduce Intel CAVS DMA
Introduce the Intel CAVS DMA. This is based out of the DesignWare
DMA IP but the register offset and bits have been changed in some
cases. However, the fundamental definition for the register field
has not been changed. Hence the registers begin with "DW_" to
indicate the Designware origin.

This driver currently supports the single block mode and linked list
multi-block mode. Scatter-Gather is not supported.

Change-Id: I33a8ed5141d9236167de50e14d3d407e95d6f553
Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-05-01 16:46:41 -04:00
Rajavardhan Gundi dadf9e7a81 xtensa: intel_s1000: implement interrupt mechanism
intel_s1000 has multiple levels of interrupts consisting of core, CAVS
Logic and designware interrupt controller. This patchset modifies
the regular gen_isr mechanism to support these multiple levels.

Change-Id: I0450666d4e601dfbc8cadc9c9d8100afb61a214c
Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-05-01 16:46:41 -04:00
Rajavardhan Gundi 9cc381c07a intel_s1000: i2c: enable I2C for intel_s1000
intel_s1000 makes use of DesignWare IP for I2C.

Change-Id: Ie091318c5959b95e1febeb5cefa440f35a6d144b
Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-05-01 16:46:41 -04:00
Rajavardhan Gundi 63d50e158e intel_s1000: gpio: enable GPIO handling
Enable GPIO handling for intel_s1000. It uses a DesignWare IP.

Change-Id: I522534935e4ef3a56d93aca669f6de961d927481
Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-05-01 16:46:41 -04:00
Rajavardhan Gundi 9ed55af2f8 arch: xtensa: set __start as entry point for Xtensa.
__start is deemed the entry point for all architectures in Zephyr.
Accordingly, Xtensa code had to be modified a bit to fall in line
with this convention.

Change-Id: If3ed344721c9f2735378b866662a68d8d5795324
Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-05-01 16:46:41 -04:00
Rajavardhan Gundi 47ff96593f intel_s1000: uart: configure UART for intel_s1000
intel_s1000 uses DesignWare IP for UART. National Semiconductor
16550 (UART) component specification is followed in this IP.

Change-Id: Ied7df1dc178d55b6dbe71d729d6383ba07274ea4
Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-05-01 16:46:41 -04:00
Rajavardhan Gundi c9ace83c89 xtensa: reset-vector.S hack for booting intel_s1000 [REVERTME]
Setting CACHEATTR from _memmap_cacheattr_reset is making
the intel_s1000 SoC get into some unknown state. Removing
it for intel_s1000_crb for now.

Change-Id: Ib44638ef75de6200ef5c2aad55f093a633da864a
Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-05-01 16:46:41 -04:00