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py/persistentcode: Decouple native code loading from emitters' presence.

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This commit lets the interpreter load MPY files containing native code
even if the target platform does not have a native emitter, or if native
code generation is disabled.

Native code loading has been tied to native code generation being
enabled as a discriminant to allow said operation.  This blocks native
code loading on platforms that could benefit from such a thing but they
don't (and probably won't) have a native code generation target written
for them (ie. AArch64 and RISC-V 64).  This also forces a firmware image
to have a full native code compiler present even if it doesn't need to
generate anything, as native modules already have all the code they will
ever need to load.

There is a new configuration setting,
MICROPY_PERSISTENT_CODE_LOAD_NATIVE, that if enabled it will allow
loading native code modules even if code generation
(MICROPY_EMIT_<platform> and MICROPY_EMIT_INLINE_<platform>) is
explicitly turned off.

Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
This commit is contained in:
Alessandro Gatti
2025-12-20 07:13:51 +01:00
parent 6341258207
commit b0f3ecd96c
11 changed files with 41 additions and 36 deletions
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2
py/runtime.c
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@@ -123,7 +123,7 @@ void mp_init(void) {
MP_STATE_VM(mp_module_builtins_override_dict) = NULL;
#endif
#if MICROPY_EMIT_MACHINE_CODE && (MICROPY_PERSISTENT_CODE_TRACK_FUN_DATA || MICROPY_PERSISTENT_CODE_TRACK_BSS_RODATA)
#if (MICROPY_EMIT_INLINE_ASM || MICROPY_ENABLE_NATIVE_CODE) && (MICROPY_PERSISTENT_CODE_TRACK_FUN_DATA || MICROPY_PERSISTENT_CODE_TRACK_BSS_RODATA)
MP_STATE_VM(persistent_code_root_pointers) = MP_OBJ_NULL;
#endif