Commit graph

1905 commits

Author SHA1 Message Date
Carles Cufi
20cd4b551b lib: base64: Add statement of changes
As per the Apache v2 License, state changes made to the original code in
the modified version of the files.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
2018-03-23 13:54:48 +01:00
Carles Cufi
fb50e81dfd lib: Add base64 library
Since base64 is such a simple and commonly used feature it makes no
sense to build the whole of mbedTLS for it. Instead take the
implementation that comes with mbedTLS and import it as a native library
outside of ext/ for all to use directly.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
2018-03-23 05:18:11 -04:00
Anas Nashif
bb64ec2921 lib: move ring_buffer Kconfig to lib/, cleanup lib/Kconfig
* ring_bufffer is in lib, so move the Kconfig out of the kernel.
* move one Kconfig used for json to lib/Kconfig alongside other
  Kconfigs.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-03-19 15:37:26 -04:00
dc37f985e9 crc: make crc8_ccitt() match the other CRC functions.
This is a minor change that makes the data pointer const and shifts
the length to a size_t to match the other CRC functions.

Signed-off-by: Michael Hope <mlhx@google.com>
2018-03-10 21:49:07 -05:00
Anas Nashif
7ee8bb9677 build: deprecate ZEPHYR_GCC_VARIANT
We want to support other toolchain not based on GCC, so the variable is
confusing, use ZEPHYR_TOOLCHAIN_VARIANT instead.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2018-02-13 07:44:45 -08:00
a5eb5418d1 crc: add crc16_itu_t which is used in the MMC protocol.
This is the MSB first version of crc16_ccitt.  Use the same name as in
Linux.

Signed-off-by: Michael Hope <mlhx@google.com>
2018-02-07 16:49:52 -05:00
f77c1d53b5 crc: add a faster, chainable version of CRC16/CCITT.
The existing version of crc16_ccitt() is actually CRC-16/AUG-CCITT and
gives different results to Linux, Contiki, and the CRC unit in the
SAM0 SOC.  This version matches Linux.

Note that this is an incompatible API change.

Signed-off-by: Michael Hope <mlhx@google.com>
2018-02-07 16:49:52 -05:00
Paul Sokolovsky
323e8cf069 libc: Kconfig: Enable STDOUT_CONSOLE by default if NEWLIB_LIBC.
Enable stdio to work by default if Newlib is used as libc - it's
reasonable expectation that if full-fledged libc (like Newlib) is
selected, then printf() works out of the box.

Fixes: #5566

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-02-05 07:05:12 -08:00
Vincent Veron
6083939174 lib: add abs function to minimal libc
Add abs function to the minimal libc. This is present in
NEWLIB_LIBC, but adding it here avoid to make a dependency
with NEWLIB_LIBC.

Signed-off-by: Vincent Veron <vincent.veron@st.com>
2018-01-23 10:14:49 -06:00
Andrzej Puzdrowski
9a5a3e06f0 lib: crc: Add crc8-ccitt implementation
This patch adds crc8-ccitt calculation routine.

CRC8 CCITT is required for Flash Circular Buffer
module (originally mynewt module).

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
2018-01-15 15:46:37 -05:00
Sebastian Bøe
15ca6da4c8 cmake: Re-introduce support for CROSS_COMPILE
CROSS_COMPILE is a KBuild feature that was dropped during the CMake
migration. It is now re-introduced. Documentation for it is still
lacking, but at least it now behaves as expected.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
2018-01-12 08:37:41 -05:00
Paul Sokolovsky
84e3d3e7e8 libc: Kconfig: Move STDOUT_CONSOLE from subsys/debug
This option is clearly not related to debugging, but affects libc
features.

Fixes: #5566

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2018-01-11 12:47:10 -05:00
ce3b2edef3 libc: add EILSEQ for use in reporting checksum failure.
This code is commonly used in the Linux kernel for reporting a
retryable error like a failed CRC.  This name and value is already
present in Linux and newlib.

Signed-off-by: Michael Hope <mlhx@google.com>
2018-01-07 14:12:56 -05:00
Anas Nashif
95cd063280 libc: some architectures do not require baremetal libc
When building a native application, we use the host provided libc, so do
not build minimal libc or newlib.

Signed-off-by: Alberto Escolar Piedras <alpi@oticon.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2017-12-27 14:16:08 -05:00
Anas Nashif
e2122cbf89 lib: move ring_buffer from misc/ to lib/
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2017-12-15 20:02:01 -05:00
Anas Nashif
6daf046e8f lib: move crc from drivers to lib/
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2017-12-15 20:02:01 -05:00
Anas Nashif
429c2a4d9d kconfig: fix help syntax and add spaces
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2017-12-13 17:43:28 -06:00
Sebastian Bøe
0829ddfe9a kbuild: Removed KBuild
Signed-off-by: Sebastian Boe <sebastian.boe@nordicsemi.no>
2017-11-08 20:00:22 -05:00
Sebastian Bøe
12f8f76165 Introduce cmake-based rewrite of KBuild
Introducing CMake is an important step in a larger effort to make
Zephyr easy to use for application developers working on different
platforms with different development environment needs.

Simplified, this change retains Kconfig as-is, and replaces all
Makefiles with CMakeLists.txt. The DSL-like Make language that KBuild
offers is replaced by a set of CMake extentions. These extentions have
either provided simple one-to-one translations of KBuild features or
introduced new concepts that replace KBuild concepts.

This is a breaking change for existing test infrastructure and build
scripts that are maintained out-of-tree. But for FW itself, no porting
should be necessary.

For users that just want to continue their work with minimal
disruption the following should suffice:

Install CMake 3.8.2+

Port any out-of-tree Makefiles to CMake.

Learn the absolute minimum about the new command line interface:

$ cd samples/hello_world
$ mkdir build && cd build
$ cmake -DBOARD=nrf52_pca10040 ..

$ cd build
$ make

PR: zephyrproject-rtos#4692
docs: http://docs.zephyrproject.org/getting_started/getting_started.html

Signed-off-by: Sebastian Boe <sebastian.boe@nordicsemi.no>
2017-11-08 20:00:22 -05:00
Ramakrishna Pallala
6ca3cc6fc4 lib: remove TinyCrypt Kconfig menu
Remove the TinyCrypt Kconfig menu as it is moved
under /ext/lib/crypto/

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
2017-11-06 13:38:58 -05:00
Thiago Macieira
034b458141 libc: Add support for static_assert
The C11 standard requires this. From 7.2 "Diagnostics <assert.h>"
paragraph 1:
> The header <assert.h> defines the assert and static_assert macros...

paragraph 3:
> The macro
>     static_assert
> expands to _Static_assert.

Since static_assert is a keyword in C++11, don't define it if C++.

Signed-off-by: Thiago Macieira <thiago.macieira@intel.com>
2017-10-25 10:43:38 -07:00
Thiago Macieira
eb7848a1df libc: Make no-debug assert() conform to C requirements
The C standard requires assert() to be a void result, so you
could write something like:

  return assert(x), x;

From the C11 standard (7.2 Diagnostic <assert.h>):
> If NDEBUG is defined as a macro name at the point in the source file
> where <assert.h> is included, the assert macro is defined simply as
>    #define assert(ignore) ((void)0)

Signed-off-by: Thiago Macieira <thiago.macieira@intel.com>
2017-10-25 10:43:38 -07:00
Kumar Gala
090a6d4f4e libc: minimal: Add typedefs for fast types
Some of the HALs in ext require fast types to be defined.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2017-10-19 12:16:11 -05:00
Anas Nashif
9edce87627 lib: json: move json.h to include/
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2017-10-03 14:50:14 -04:00
Anas Nashif
05609bd6fc json: fix doxygen description
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2017-10-03 14:50:14 -04:00
Leandro Pereira
7de019a256 lib: json: Silence warning about unused parameter
Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2017-09-07 05:49:17 -05:00
Leandro Pereira
7a72ecd314 lib: json: Alignment should be considered when calculating struct size
This was causing an unaligned pointer read on some architectures,
leading to crashes.  This could be alternatively solved by rounding
the size to the nearest power of 2, but this wouldn't work with
packed structs.

Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2017-09-07 05:49:17 -05:00
Leandro Pereira
3384262827 lib: json: Fix compilation warnings
This appears to be a bug in GCC: when an anonymous union contains
anonymous structs, GCC issues a warning that a field in one of the
anonymous structs has not been initialized.  Fix by making the
structs not anonymous.

Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2017-09-07 05:49:17 -05:00
Leandro Pereira
d66069d051 lib: json: Fix off-by-one error when encoding objects
append_bytes_to_buf() already writes a NUL byte; no need to call
append_bytes() again with "" and size 1.

Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2017-09-07 05:49:17 -05:00
Aska Wu
1f7a6766d3 newlib: xtensa: Fix a newlib link error
xtensa linker script defines "_heap_sentry" but newlib references
"__heap_sentry".

Signed-off-by: Aska Wu <aska.wu@linaro.org>
2017-08-10 09:33:13 -05:00
Leandro Pereira
07d8ef008a libc: minimal: Add empty sys/cdefs.h
This header is included by some files provided by ESP-IDF.  Nothing
from this header file is actually used: it's only being added allow
things to compile with the minimal libc.

Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2017-06-21 12:35:49 -04:00
Anas Nashif
397d29db42 linker: move all linker headers to include/linker
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2017-06-18 09:24:04 -05:00
Marti Bolivar
25d62edd01 lib: json: add helper macros for arrays of objects
Since JSON_OBJ_DESCR_ARRAY is suitable only for arrays of primitives,
add JSON_OBJ_DESCR_OBJ_ARRAY (and a ..._NAMED variant), to allow users
to handle arrays of objects.

Having a macro is important, given the unintuitive space optimization
used for storing the offset to the structure element containing the
number of elements in the array.

Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
2017-06-08 15:11:23 -04:00
Marti Bolivar
b4c8d83eab lib: json: fix arr_parse()
This function currently fails when decoding an array with number of
elements exactly equal to the maximum available in the struct.

To fix this, move the check for if the current field is past the end
of the array to just before attempting to decode a value. This allows
the last element to be followed by a JSON_TOK_LIST_END token in the
case that the array is full, and the function to return success.

Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
2017-06-08 15:11:23 -04:00
Marti Bolivar
2620ae0932 lib: json: fix arr_encode()
The JSON library doesn't properly encode arrays whose elements are of
object type. Fix that.

This fix avoids allocating a temporary descriptor on the stack, and
keeps the size of struct json_obj_descr unchanged, by preserving an
unintuitive size optimization made by the library.  See the comments
in the patch for more details.

Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
2017-06-08 15:11:23 -04:00
Marti Bolivar
a4b67de3fd lib: json: clarify JSON_OBJ_DESCR_ARRAY usage
This (and JSON_OBJ_DESCR_ARRAY_NAMED) are really intended for handling
arrays of primitive type only. They don't allow users to declare
descriptors for arrays of objects. Clarify this in the Doxygen.

Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
2017-06-08 15:11:23 -04:00
Leandro Pereira
7763a1dee9 lib/json: Fix build warnings (-Wpointer-sign) with LLVM/icx
Move all characters to "char" type: no implicit conversions between
"unsigned char", "u8_t", etc.

Tested with ISSM 2016.2.085.

Jira: ZEP-2159
Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2017-06-05 21:46:04 -04:00
Marti Bolivar
44499768a8 lib: json: add JSON_OBJ_DESCR_*_NAMED variants
The set of valid JSON field names is larger than the set of C
identifiers. This can result in structure field names which pack
decoded JSON values which necessarily differ from the field names in
the JSON.

Support this by adding _NAMED variants to each of the JSON_OBJ_DESCR_*
helper macros. For example, JSON_OBJ_DESCR_PRIM_NAMED allows users to
declare a descriptor field for a primitive type, whose structure field
name is different from the JSON field name.

Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
2017-05-31 14:53:26 -04:00
Marti Bolivar
31fe26d611 lib: json: fix JSON_OBJ_DESCR_ARRAY Doxygen example
This is missing two required arguments.

Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
2017-05-31 14:53:26 -04:00
Andrew Boie
614db776dc libc: minimal: fix xtensa build
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2017-05-19 16:33:16 -04:00
Paul Sokolovsky
8cc6f6ddd6 kernel: errno: Use per-thread accessor function compatible with Newlib
Newlib names this function __errno(), so if we want Zephyr to work
with Newlib seamlessly, it's better to just follow Newlib's naming
convention for Zephyr's own minimal libc.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
2017-05-10 20:54:56 -04:00
Marti Bolivar
3c0eac3cba lib: json: escape strings in-place
Currently, json_escape() allocates a temporary buffer on the stack
that's the size of the string being escaped.

Stack space is precious and longer JSON strings can run into the
hundreds of bytes, so re-implement this routine to escape in place.

Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
2017-05-08 08:52:52 -04:00
Marti Bolivar
4088530a12 lib: json: add JSON_OBJ_DESCR_PRIM
There are already helper macros for declaring descriptor fields of
object and array type. Add one for primitive types as well.

The fact that the JSON test code defines one proves that it's useful,
so there should be one provided for other users.

Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
2017-05-03 13:52:57 -04:00
Kumar Gala
9a74ee1730 lib: convert to using newly introduced integer sized types
Convert code to use u{8,16,32,64}_t and s{8,16,32,64}_t instead of C99
integer types.

Jira: ZEP-2051

Change-Id: I74bc6384c4090f4ae322e3aa151874f583a5fe73
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2017-04-20 11:56:00 -05:00
Kumar Gala
789081673f Introduce new sized integer typedefs
This is a start to move away from the C99 {u}int{8,16,32,64}_t types to
Zephyr defined u{8,16,32,64}_t and s{8,16,32,64}_t.  This allows Zephyr
to define the sized types in a consistent manor across all the
architectures we support and not conflict with what various compilers
and libc might do with regards to the C99 types.

We introduce <zephyr/types.h> as part of this and have it include
<stdint.h> for now until we transition all the code away from the C99
types.

We go with u{8,16,32,64}_t and s{8,16,32,64}_t as there are some
existing variables defined u8 & u16 as well as to be consistent with
Zephyr naming conventions.

Jira: ZEP-2051

Change-Id: I451fed0623b029d65866622e478225dfab2c0ca8
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2017-04-20 16:07:08 +00:00
Kumar Gala
21309ea44b lib: json: use explicit unsigned char to avoid array subscript error
If we use newlib the isdigit (and other similar functions) return an
error as char can possibly be viewed as signed:

usr/include/ctype.h:57:54: error: array subscript has type ‘char’ [-Werror=char-subscripts]
 #define __ctype_lookup(__c) ((__ctype_ptr__+sizeof(""[__c]))[(int)(__c)])

Being explicit about the char being unsigned char deals with this.

Change-Id: If2416218220ef5b29f1a69470cbcc6b4fd49ef86
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2017-04-14 19:03:41 +00:00
Leandro Pereira
262365c727 lib: json: Fix parsing of boolean values
Boolean values were being decoded using the descriptor type rather than
the value type.

Jira: ZEP-1607
Change-Id: I0c9324ee705af973ccf738e92785820c3a5fb692
Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2017-03-25 13:11:55 +00:00
Leandro Pereira
4c7803b59f lib: json: Ignore spaces while scanning for tokens
The function to ignore spaces was not being called, so some tokens had
whitespace in the beginning.  They were correctly lexed, but parsing
could eventually fail.

Jira: ZEP-1607
Change-Id: I796596143895fa0fa652641f56af9a03e7a65b7a
Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2017-03-25 13:11:54 +00:00
Leandro Pereira
844ef6744e lib: json: Fix number parsing
Comparing *endptr with '\0' will always be true before replacing
*token->end with prev_end.

Jira: ZEP-1607
Change-Id: I224129586e15380d3919bfba3db4fcf38c28cb07
Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2017-03-25 13:11:53 +00:00
Leandro Pereira
122cdb3956 lib: json: Do not use translation tables to encode characters
It has been suggested in a review to use a simple function with a
switch statement instead of the table trick.

Jira: ZEP-1607
Change-Id: I5290de175021bfa8642334548ece8266d4c137f0
Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
2017-03-25 13:11:52 +00:00