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MicroPython relies on a number of submodules for third party and chip
vendor libraries. Users need to check these out before building their
desired ports and Github Actions CI here needs to clone them all multiple
times for every build. Many of these are getting significantly larger over
time, slowing down usage and consuming more disk space.
Newer versions of git have features to avoid pulling all historic / blob
data which can have a significant impact of total data use. This commit
uses a standard feature of git to do a partial clone, with automatic
fallback to previous behavior on error.
Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
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This commit fixes a warning occurring on Clang when calling
`__builtin___clear_cache` with non-void pointers for its start and end
memory area locations. The code now uses a char pointer for the end
location, and it still builds without warnings on GCC.
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
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Use an explicit cast to suppress the implicit conversion which started
popping up in recent compiler versions (and wasn't there yet in 07bf3179).
Signed-off-by: stijn <stijn@ignitron.net>
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Allows verbose build to work the same on esp32 port as other ports.
To minimise copy/paste, split the BUILD_VERBOSE section of mkenv.mk
out to its own verbose.mk and include this in the port Makefile.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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Recent MSVC versions have changed the definition of NAN to a non-constant
expression! This is a bug, C standard says it should be a constant.
Good explanation and workaround at: https://stackoverflow.com/a/79199887
This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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This mirrors how it works when using a Makefile.
Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
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Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
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Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
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In `deque_subscr()`, if `index_val` equals `self->alloc`, the index
correction `index_val -= self->alloc` does not execute, leading to an
out-of-bounds access in `self->items[index_val]`.
The fix in this commit ensures that the index correction is applied
whenever `index_val >= self->alloc`, preventing access beyond the allocated
buffer size.
Signed-off-by: Jan Sturm <jansturm92@googlemail.com>
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The PIC16 port didn't catch up with the other ports, so it required a bit
of work to make it build with the latest version of XC16.
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
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Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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This is necessary for mbedTLS callbacks that do not carry any user state,
so those callbacks can be customised per SSL context.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
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When descriptors are enabled, lookup of the `__get__`, `__set__` and
`__delete__` descriptor methods should not be delegated to `__getattr__`.
That follows CPython behaviour.
Signed-off-by: Damien George <damien@micropython.org>
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Check a target exists before accessing properties. Otherwise
usermod_gather_sources would recurse into garbage property names and break.
Signed-off-by: Phil Howard <phil@gadgetoid.com>
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Allowing passing keyword arguments to a native base's __init__, i.e.
`make_new` in the C code. Previously only positional arguments were
allowed.
The main trade-off in this commit is that every call to the native base's
`make_new` is now going to be preceded by a call to
`mp_map_init_fixed_table` even though most of what that does is unused and
instead it merely serves as a way to pass the number of keyword arguments.
Fixes issue #15465.
Signed-off-by: stijn <stijn@ignitron.net>
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Add custom NLR support for 64 bits RISC-V RV64I targets.
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
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The ESP32 port contains a workaround to avoid having a certain function
in `py/parse.c` being generated incorrectly. The compiler in question
is not part of any currently supported version of ESP-IDF anymore, and the
problem inside the compiler (well, assembler in this case) has been
corrected a few years ago.
This commit removes all traces of that workaround from the source tree.
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
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This commit fixes the addition of a stray separator before the number
when printing an MPZ-backed integer and the first group is three digits
long.
This fixes #8984.
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
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Signed-off-by: Damien George <damien@micropython.org>
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This commit adds a new `RingIO` type which exposes the internal ring-buffer
code for general use in Python programs. It has the stream interface
making it similar to `StringIO` and `BytesIO`, except `RingIO` has a fixed
buffer size and is automatically safe when reads and writes are in
different threads or an IRQ.
This new type is enabled at the "extra features" ROM level.
Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
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Otherwise it's very difficult to reason about thread safety in a
scheduler callback, as it can run at any time on any thread - including
racing against any bytecode operation on any thread.
This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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This was made optional in CPython 3.11.
Signed-off-by: Amirreza Hamzavi <amirrezahamzavi2000@gmail.com>
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This was made optional in CPython 3.11.
Signed-off-by: Amirreza Hamzavi <amirrezahamzavi2000@gmail.com>
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This was made optional in CPython 3.11.
Signed-off-by: Amirreza Hamzavi <amirrezahamzavi2000@gmail.com>
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When MicroPython is used as a submodule and built from the containing
project, e.g. for the embed port, `make submodules` fails because it goes
looking for the sub-sub-module paths in the outer repository instead of in
the micropython repository. Fix this by invoking git inside the micropython
submodule.
Signed-off-by: Christian Walther <cwalther@gmx.ch>
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The RV32 emitter used an additional temporary register, as certain code
sequences required extra storage. This commit removes its usage in all
but one case, using REG_TEMP2 instead.
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
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The RV32 emitter sometimes generated short load opcodes even when it
was not supposed to. This commit fixes an off-by-one error in its
offset eligibility range calculation and corrects one case of offset
calculation, operating on the raw label index number rather than its
effective offset in the stack (C.LW assumes all loads are
word-aligned).
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
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The RV32 emitter always scheduled short jumps even outside the emit
compiler pass. Running the full test suite through the native emitter
instead of just the tests that depend on the emitter at runtime (as in,
`micropython/native_*` and `micropython/viper_* tests`) uncovered more
places where the invalid behaviour was still present.
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
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Skip whitespace characters between pairs of hex numbers.
This makes `bytes.fromhex()` compatible with cpython.
Includes simple test in `tests/basic/builtin_str_hex.py`.
Signed-off-by: Glenn Moloney <glenn.moloney@gmail.com>
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Currently the stack limit margin is hard-coded in each port's call to
`mp_stack_set_limit()`, but on threaded ports it's fiddlier and can lead to
bugs (such as incorrect thread stack margin on esp32).
This commit provides a new API to initialise the C Stack in one function
call, with a config macro to set the margin. Where possible the new call
is inlined to reduce code size in thread-free ports.
Intended replacement for `MP_TASK_STACK_LIMIT_MARGIN` on esp32.
The previous `stackctrl.h` API is still present and unmodified apart from a
deprecation comment. However it's not available when the
`MICROPY_PREVIEW_VERSION_2` macro is set.
This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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These were changed in v1.11 (2019). Prepare to remove the compatibility
macros as part of V2 changes.
This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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This is needed for a workaround on esp32 port (in child commit),
which produces incorrect results otherwise.
This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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The `emit_load_reg_with_object()` helper function will clobber `REG_TEMP0`.
This is currently OK on architectures where `REG_RET` and `REG_TEMP0` are
the same (all architectures except RV32), because all callers of
`emit_load_reg_with_object()` use either `REG_RET` or `REG_TEMP0` as the
destination register. But on RV32 these registers are different and so
when `REG_RET` is the destination, `REG_TEMP0` is clobbered, leading to
incorrectly generated machine code.
This commit fixes the issue simply by using `REG_TEMP0` as the destination
register for all uses of `emit_load_reg_with_object()`, and adds a comment
to make sure the caller of this function is careful.
Signed-off-by: Damien George <damien@micropython.org>
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Introduce SRC_USERMOD_LIB_ASM to allow users to include assembly files as
part of their user modules. It could be used to include optimized
functions or outputs of other programming languages.
Signed-off-by: George Hopkins <george-hopkins@null.net>
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Thanks to @AJMansfield for the original test case.
Signed-off-by: Damien George <damien@micropython.org>
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Use explicit casts to suppress warnings about implicit conversions, add a
workaround for constant expression conditional, and make functions static
inline (as is done in the rest of the codebase) to suppress 'warning C4505:
unreferenced function with internal linkage has been removed'.
(Follow up to fix commit 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894)
Signed-off-by: stijn <stijn@ignitron.net>
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This fixes various null dereferencing and out-of-bounds access because
super_attr assumes the held obj is effectively an object of the held type,
which is now verified.
Fixes issue #12830.
Signed-off-by: stijn <stijn@ignitron.net>
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When subclassing a native type, calling native members in `__init__` before
`super().__init__()` has been called could cause a crash. In this
situation, `self` in `mp_convert_member_lookup` is the
`native_base_init_wrapper_obj`. The check added in this commit ensures
that an `AttributeError` is raised before this happens, which is consistent
with other failed lookups.
Also fix a typo in a related comment.
Signed-off-by: Laurens Valk <laurens@pybricks.com>
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It does the same thing, raising `SystemExit`.
Signed-off-by: Damien George <damien@micropython.org>
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These are old, unused, and most of them no longer compile. The `gc_test()`
function is superseded by the test suite.
Signed-off-by: Damien George <damien@micropython.org>
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Also put this function inside the `MICROPY_PY_BUILTINS_SLICE` guard,
because it's only usable when that option is enabled.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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These TODOs don't need to be done:
- Calling functions with keyword arguments is less common than without
them, so adding an extra byte overhead to all calls regardless of whether
they use keywords or not would overall increase generated bytecode size.
- Restricting `range` objects to machine-sized ints has been adequate for
a long time now, so no need to change that and make it more complicated
and slower.
- Printing spaces in tab completion does not need to be optimised.
Signed-off-by: Damien George <damien@micropython.org>
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Being able to send data out in LSB format can be useful, and having support
in the low-level driver is much better than requiring Python code to
reorder the bits before sending them / after receiving them. In particular
if the hardware does not support the LSB format (eg RP2040) then one needs
to use the SoftSPI in LSB mode.
For this change a default definition of `MICROPY_PY_MACHINE_SPI_MSB/_LSB`
was added to `py/mpconfig.h`, making them available to all ports. The
identical defines in `esp32/mpconfigport.h` were deleted.
Resolves issues #5340, #11404.
Signed-off-by: robert-hh <robert@hammelrath.com>
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The limit is set by a `MICROPY_PY_MACHINE_FREQ_NUM_ARGS_MAX` define, which
defaults to 1 and is set for stm32 to 4.
For stm32 this fixes a regression introduced in commit
e1ec6af654b1c5c4a973b6c6b029ee68bb92eb89 where the maximum number of
arguments was changed from 4 to 1.
Signed-off-by: robert-hh <robert@hammelrath.com>
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Use new function mp_obj_new_str_from_cstr() where appropriate. It
simplifies the code, and makes it smaller too.
Signed-off-by: Jon Foster <jon@jon-foster.co.uk>
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There were lots of places where this pattern was duplicated, to convert a
standard C string to a MicroPython string:
x = mp_obj_new_str(s, strlen(s));
This commit provides a simpler method that removes this code duplication:
x = mp_obj_new_str_from_cstr(s);
This gives clearer, and probably smaller, code.
Signed-off-by: Jon Foster <jon@jon-foster.co.uk>
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As per discussion in #15347, non-standard binary literals have been
removed in favour of their hexadecimal counterparts.
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
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Before this change, long/mpz ints propagated into all future calculations,
even if their value could fit in a small-int object. With this change, the
result of a big-int binary op will now be converted to a small-int object
if the value fits in a small-int.
For example, a relatively common operation like `x = a * b // c` where
a,b,c all small ints would always result in a long/mpz int, even if it
didn't need to, and then this would impact all future calculations with
x.
This adds +24 bytes on PYBV11 but avoids heap allocations and potential
surprises (e.g. `big-big` is now a small `0`, and can safely be accessed
with MP_OBJ_SMALL_INT_VALUE).
Performance tests are unchanged on PYBV10, except for `bm_pidigits.py`
which makes heavy use of big-ints and gains about 8% in speed.
Unix coverage tests have been updated to cover mpz code that is now
unreachable by normal Python code (removing the unreachable code would lead
to some surprising gaps in the internal C functions and the functionality
may be needed in the future, so it is kept because it has minimal
overhead).
This work was funded through GitHub Sponsors.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
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