diff options
Diffstat (limited to 'py/mpconfig.h')
| -rw-r--r-- | py/mpconfig.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/py/mpconfig.h b/py/mpconfig.h index 7ab179304c..98e9406c6b 100644 --- a/py/mpconfig.h +++ b/py/mpconfig.h @@ -63,6 +63,16 @@ // - xxxx...xxx0 : a pointer to an mp_obj_base_t (unless a fake object) #define MICROPY_OBJ_REPR_B (1) +// A MicroPython object is a machine word having the following form: +// - iiiiiiii iiiiiiii iiiiiiii iiiiiii1 small int with 31-bit signed value +// - x1111111 1qqqqqqq qqqqqqqq qqqqq110 str with 20-bit qstr value +// - s1111111 10000000 00000000 00000010 +/- inf +// - s1111111 1xxxxxxx xxxxxxxx xxxxx010 nan, x != 0 +// - seeeeeee efffffff ffffffff ffffff10 30-bit fp, e != 0xff +// - pppppppp pppppppp pppppppp pppppp00 ptr (4 byte alignment) +// This scheme only works with 32-bit word size and float enabled. +#define MICROPY_OBJ_REPR_C (2) + #ifndef MICROPY_OBJ_REPR #define MICROPY_OBJ_REPR (MICROPY_OBJ_REPR_A) #endif |