diff options
Diffstat (limited to 'py/mpconfig.h')
| -rw-r--r-- | py/mpconfig.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/py/mpconfig.h b/py/mpconfig.h index e8c8fcc596..b235d6fe66 100644 --- a/py/mpconfig.h +++ b/py/mpconfig.h @@ -536,6 +536,14 @@ typedef double mp_float_t; /*****************************************************************************/ /* Miscellaneous settings */ +// All uPy objects in ROM must be aligned on at least a 4 byte boundary +// so that the small-int/qstr/pointer distinction can be made. For machines +// that don't do this (eg 16-bit CPU), define the following macro to something +// like __attribute__((aligned(4))). +#ifndef MICROPY_OBJ_BASE_ALIGNMENT +#define MICROPY_OBJ_BASE_ALIGNMENT +#endif + // On embedded platforms, these will typically enable/disable irqs. #ifndef MICROPY_BEGIN_ATOMIC_SECTION #define MICROPY_BEGIN_ATOMIC_SECTION() (0) |