suspect-devices/circuitpython/py/runtime.h, branch v1.6CircuitPython - a Python implementation for teaching coding with microcontrollershttps://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=v1.62015-11-29T14:25:35+00:00py: Wrap all obj-ptr conversions in MP_OBJ_TO_PTR/MP_OBJ_FROM_PTR.2015-11-29T14:25:35+00:00Damien Georgedamien.p.george@gmail.com2015-11-27T17:01:44+00:00urn:sha1:999cedb90ff0827cdb9dfe0e4faa6ebc1739d271
This allows the mp_obj_t type to be configured to something other than a
pointer-sized primitive type.
This patch also includes additional changes to allow the code to compile
when sizeof(mp_uint_t) != sizeof(void*), such as using size_t instead of
mp_uint_t, and various casts.
py: Add MP_ROM_* macros and mp_rom_* types and use them.2015-11-29T14:25:04+00:00Damien Georgedamien.p.george@gmail.com2015-11-27T13:38:15+00:00urn:sha1:cbf7674025814797f5c537d6d1c195efe58ccaafpy: Remove mp_load_const_bytes and instead load precreated bytes object.2015-06-25T14:42:13+00:00Damien Georgedamien.p.george@gmail.com2015-06-25T14:42:13+00:00urn:sha1:59fba2d6ea31c134c9c0b88dc73cd25b236f167c
Previous to this patch each time a bytes object was referenced a new
instance (with the same data) was created. With this patch a single
bytes object is created in the compiler and is loaded directly at execute
time as a true constant (similar to loading bignum and float objects).
This saves on allocating RAM and means that bytes objects can now be
used when the memory manager is locked (eg in interrupts).
The MP_BC_LOAD_CONST_BYTES bytecode was removed as part of this.
Generated bytecode is slightly larger due to storing a pointer to the
bytes object instead of the qstr identifier.
Code size is reduced by about 60 bytes on Thumb2 architectures.
py: Remove mp_load_const_str and replace uses with inlined version.2015-06-25T13:58:41+00:00Damien Georgedamien.p.george@gmail.com2015-06-25T13:58:41+00:00urn:sha1:ed570e4b2a0a68e43b191fb0d5b45fb2ec83aca4py: Overhaul and simplify printf/pfenv mechanism.2015-04-16T14:30:16+00:00Damien Georgedamien.p.george@gmail.com2015-04-09T22:56:15+00:00urn:sha1:7f9d1d6ab923096582622b700bedb6a571518eac
Previous to this patch the printing mechanism was a bit of a tangled
mess. This patch attempts to consolidate printing into one interface.
All (non-debug) printing now uses the mp_print* family of functions,
mainly mp_printf. All these functions take an mp_print_t structure as
their first argument, and this structure defines the printing backend
through the "print_strn" function of said structure.
Printing from the uPy core can reach the platform-defined print code via
two paths: either through mp_sys_stdout_obj (defined pert port) in
conjunction with mp_stream_write; or through the mp_plat_print structure
which uses the MP_PLAT_PRINT_STRN macro to define how string are printed
on the platform. The former is only used when MICROPY_PY_IO is defined.
With this new scheme printing is generally more efficient (less layers
to go through, less arguments to pass), and, given an mp_print_t*
structure, one can call mp_print_str for efficiency instead of
mp_printf("%s", ...). Code size is also reduced by around 200 bytes on
Thumb2 archs.
py: Add finer configuration of static funcs when not in stackless mode.2015-04-02T21:56:58+00:00Damien Georgedamien.p.george@gmail.com2015-04-01T22:31:30+00:00urn:sha1:12a5e17afb6a59d1eb0e1ce0444d7e4891f6391b
Also rename call_args_t to mp_call_args_t.
vm: Support strict stackless mode, with proper exception reporting.2015-04-02T21:26:47+00:00Paul Sokolovskypfalcon@users.sourceforge.net2015-03-27T23:14:45+00:00urn:sha1:7f1c98177bb27a45886fd7e42aa72bef9b1e4a0f
I.e. in this mode, C stack will never be used to call a Python function,
but if there's no free heap for a call, it will be reported as
RuntimeError (as expected), not MemoryError.
runtime: Split mp_call_prepare_args_n_kw_var() from mp_call_method_n_kw_var().2015-04-02T21:03:07+00:00Paul Sokolovskypfalcon@users.sourceforge.net2015-03-27T23:14:45+00:00urn:sha1:e6c6fe3275ba8d405e566548a277fa7eaea416b9
Allow for reuse for stackless design, where preparing args is separate from
calling.
py: Combine duplicated code that converts members from a lookup.2015-03-21T14:21:54+00:00Damien Georgedamien.p.george@gmail.com2015-03-21T14:21:54+00:00urn:sha1:55b74d1ff5fcdd32150b10cb42cd1fd59f1317c3
Despite initial guess, this code factoring does not hamper performance.
In fact it seems to improve speed by a little: running pystone(1.2) on
pyboard (which gives a very stable result) this patch takes pystones
from 1729.51 up to 1742.16. Also, pystones on x64 increase by around
the same proportion (but it's much noisier).
Taking a look at the generated machine code, stack usage with this patch
is unchanged, and call is tail-optimised with all arguments in
registers. Code size decreases by about 50 bytes on Thumb2 archs.
py: Put mp_sys_path, mp_sys_argv and gc_collected in mp_state_ctx_t.2015-02-07T17:24:10+00:00Damien Georgedamien.p.george@gmail.com2015-02-07T17:24:10+00:00urn:sha1:e1e359ff59d6bbf09441cc1f3965be63f1046182
Without mp_sys_path and mp_sys_argv in the root pointer section of the
state, their memory was being incorrectly collected by GC.