diff options
| author | Scott Shawcroft <scott@tannewt.org> | 2020-01-08 20:32:45 -0800 |
|---|---|---|
| committer | Scott Shawcroft <scott@tannewt.org> | 2020-01-17 17:36:08 -0800 |
| commit | 7d8dac9211dab92d750a0351335b4ad3fffc05e2 (patch) | |
| tree | 819d63e5495931042b433e2b67eee9848bf47ec1 /py/runtime.c | |
| parent | 85c731734a0388c28c8e3895ec1cecd1d9491e0c (diff) | |
Refine iMX RT memory layout and add three boards
Introduces a way to place CircuitPython code and data into
tightly coupled memory (TCM) which is accessible by the CPU in a
single cycle. It also frees up room in the corresponding cache for
intermittent data. Loading from external flash is slow!
The data cache is also now enabled.
Adds support for the iMX RT 1021 chip. Adds three new boards:
* iMX RT 1020 EVK
* iMX RT 1060 EVK
* Teensy 4.0
Related to #2492, #2472 and #2477. Fixes #2475.
Diffstat (limited to 'py/runtime.c')
| -rw-r--r-- | py/runtime.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/py/runtime.c b/py/runtime.c index a786619bf..48416bab2 100644 --- a/py/runtime.c +++ b/py/runtime.c @@ -200,7 +200,7 @@ mp_obj_t mp_load_build_class(void) { return MP_OBJ_FROM_PTR(&mp_builtin___build_class___obj); } -void mp_store_name(qstr qst, mp_obj_t obj) { +void PLACE_IN_ITCM(mp_store_name)(qstr qst, mp_obj_t obj) { DEBUG_OP_printf("store name %s <- %p\n", qstr_str(qst), obj); mp_obj_dict_store(MP_OBJ_FROM_PTR(mp_locals_get()), MP_OBJ_NEW_QSTR(qst), obj); } @@ -211,7 +211,7 @@ void mp_delete_name(qstr qst) { mp_obj_dict_delete(MP_OBJ_FROM_PTR(mp_locals_get()), MP_OBJ_NEW_QSTR(qst)); } -void mp_store_global(qstr qst, mp_obj_t obj) { +void PLACE_IN_ITCM(mp_store_global)(qstr qst, mp_obj_t obj) { DEBUG_OP_printf("store global %s <- %p\n", qstr_str(qst), obj); mp_obj_dict_store(MP_OBJ_FROM_PTR(mp_globals_get()), MP_OBJ_NEW_QSTR(qst), obj); } @@ -283,7 +283,7 @@ mp_obj_t mp_unary_op(mp_unary_op_t op, mp_obj_t arg) { } } -mp_obj_t mp_binary_op(mp_binary_op_t op, mp_obj_t lhs, mp_obj_t rhs) { +mp_obj_t PLACE_IN_ITCM(mp_binary_op)(mp_binary_op_t op, mp_obj_t lhs, mp_obj_t rhs) { DEBUG_OP_printf("binary " UINT_FMT " %q %p %p\n", op, mp_binary_op_method_name[op], lhs, rhs); // TODO correctly distinguish inplace operators for mutable objects @@ -641,7 +641,7 @@ mp_obj_t mp_call_method_n_kw(size_t n_args, size_t n_kw, const mp_obj_t *args) { #if !MICROPY_STACKLESS STATIC #endif -void mp_call_prepare_args_n_kw_var(bool have_self, size_t n_args_n_kw, const mp_obj_t *args, mp_call_args_t *out_args) { +void PLACE_IN_ITCM(mp_call_prepare_args_n_kw_var)(bool have_self, size_t n_args_n_kw, const mp_obj_t *args, mp_call_args_t *out_args) { mp_obj_t fun = *args++; mp_obj_t self = MP_OBJ_NULL; if (have_self) { |