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Signed-off-by: Damien George <damien@micropython.org>

This is enabled by default if MBOOT_FSLOAD is enabled, although a board
can explicitly disable it by `#define MBOOT_VFS_RAW (0)`.
Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Damien George <damien@micropython.org>

ASM_NOT_REG is optional, it can be synthesised by xor(reg, -1).
ASM_NEG_REG can also be synthesised with a subtraction, but most
architectures have a dedicated instruction for it.
Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Damien George <damien@micropython.org>

So that the MicroPython-specific behaviour can be isolated, and the CPython
compatible test don't need a .exp file.
Signed-off-by: Damien George <damien@micropython.org>

The argument to MP_BC_MAKE_FUNCTION (raw code index) was being encoded as a
byte instead of a variable unsigned int.  That meant that if there were
more than 128 merged mpy files the encoding would be invalid.

Fix that by using `mp_encode_uint(idx)` to encode the raw code index.  And
also use `Opcode` constants for the opcode values to make it easier to
understand the code.
Signed-off-by: Damien George <damien@micropython.org>

Add `pop()`, `appendleft()`, and `extend()` methods, support iteration
and indexing, and initializing from an existing sequence.

Iteration and indexing (subscription) have independent configuration flags
to enable them.  They are enabled by default at the same level that
collections.deque is enabled (the extra features level).

Also add tests for checking new behavior.
Signed-off-by: Damien George <damien@micropython.org>

This provides a MicroPython-specific berkeley-db configuration in
extmod/berkeley-db/berkeley_db_config_port.h, and cleans up the include
path for this library.

Fixes issue #13092.
Signed-off-by: Damien George <damien@micropython.org>

This updates the berkeley-db-1.xx submodule URL to a repository hosted
under the micropython organisation, and makes the following changes:

- Moves the berkeley-db header files to a single directory within the
  submodule, and references all these headers with a much fuller path,
  which prevents symbol clashes (eg with esp32 and queue.h).

- Removes unused/non-working files from berkeley-db, which removes all
  symlinks in that repo (symlinks don't play well under Windows).

- Allows injecting an external configuration header into berkeley-db, so
  the configuration doesn't have to be provided by -Dxx=yy flags to the
  compiler (and possibly clashing with other symbols).

- Removes the advertising clause from the BSD 4-clause license of
  berkeley-db (see relevant commit and README.Impt.License.Change for
  details).
Signed-off-by: Damien George <damien@micropython.org>

When an exception is handled and the stream is closed, but while this
happens, another exception occurs or dupterm is deactivated for another
reason, the initial deactivation crashes, because its dupterm is removed.
Co-authored-by: Damien George <damien@micropython.org>
Signed-off-by: Felix Dörre <felix@dogcraft.de>

These boards were broken by 9d0d262b.
Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

RemoteProc provides an API to load firmware and control remote processors.

Note: port-specific operations must be implemented to support this class.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

This module implements OpenAMP's basic initialization and shared resources
support, and provides support for OpenAMP's RPMsg component, by providing
an `endpoint` type (a logical connection on top of RPMsg channel) which can
be used to communicate with the remote core.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

So there's only one location that does the ioctl(MP_STREAM_SEEK) call.
Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Add a MicroPython platform for libmetal, based on the generic platform.
The MicroPython platform uses common mp_hal_xxx functions and allows ports
to customize default configurations for libmetal.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

libmetal provides an abstraction of the underlying hardware, to support
other OpenAMP components.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

OpenAMP framework provides a standard inter processor communications
infrastructure for RTOS and bare metal environments. There are 3 major
components in OpenAMP: libmetal, remoteproc and RPMsg. libmetal provides
abstraction of the low-level underlying hardware, remoteproc is used for
processor Life Cycle Management (LCM) like loading firmware, starting,
stopping a core etc., and RPMsg is a bus infrastructure that enables Inter
Processor Communications (IPC) between different cores.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>

This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>

This new machine-module driver provides a "USBDevice" singleton object and
a shim TinyUSB "runtime" driver that delegates the descriptors and all of
the TinyUSB callbacks to Python functions.  This allows writing arbitrary
USB devices in pure Python.  It's also possible to have a base built-in
USB device implemented in C (eg CDC, or CDC+MSC) and a Python USB device
added on top of that.

This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>

Previously USB was always enabled, but this created some conflicts when
adding guards to other files on other ports.

Note the configuration with USB disabled hasn't been tested and probably
won't build or run without further work.
Signed-off-by: Angus Gratton <angus@redyak.com.au>

This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>

Signed-off-by: Kwabena W. Agyeman <kwagyeman@live.com>

`BLE().config(addr_mode=...)` is not safe to call if the NimBLE stack is
not yet active (because it tries to acquire mutexes which should be
initialized first).
Signed-off-by: Daniël van de Giessen <daniel@dvdgiessen.nl>

Disabled by default, but enabled on all boards that previously had
`MICROPY_PY_MACHINE_BARE_METAL_FUNCS` enabled.
Signed-off-by: Damien George <damien@micropython.org>

Enabled by default.
Signed-off-by: Damien George <damien@micropython.org>

Enabled by default.
Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>