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| 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/mpstate.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/mpstate.c')
| -rw-r--r-- | py/mpstate.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/py/mpstate.c b/py/mpstate.c index 6ce64adfd..32f1d60a5 100644 --- a/py/mpstate.c +++ b/py/mpstate.c @@ -25,9 +25,10 @@ */ #include "py/mpstate.h" +#include "supervisor/linker.h" #if MICROPY_DYNAMIC_COMPILER mp_dynamic_compiler_t mp_dynamic_compiler = {0}; #endif -mp_state_ctx_t mp_state_ctx; +mp_state_ctx_t PLACE_IN_DTCM_BSS(mp_state_ctx); |