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feat(core): preallocate sys.modules to an appropriate size

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matejcik 2021-04-09 11:55:14 +02:00 committed by matejcik
parent b5c1b37a56
commit 5f4240d93c
4 changed files with 8 additions and 1 deletions
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1
core/embed/firmware/mpconfigport.h
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@ -40,6 +40,7 @@
// memory allocation policies
#define MICROPY_ALLOC_PATH_MAX (128)
#define MICROPY_ENABLE_PYSTACK (1)
#define MICROPY_LOADED_MODULES_DICT_SIZE (160)
// emitters
#define MICROPY_PERSISTENT_CODE_LOAD (0)

1
core/embed/unix/mpconfigport.h
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@ -45,6 +45,7 @@
#define MICROPY_MALLOC_USES_ALLOCATED_SIZE (1)
#define MICROPY_MEM_STATS (1)
#define MICROPY_ENABLE_PYSTACK (1)
#define MICROPY_LOADED_MODULES_DICT_SIZE (160)
// emitters
#define MICROPY_PERSISTENT_CODE_LOAD (0)

5
core/src/trezor/utils.py
View File

@ -41,6 +41,11 @@ def unimport_begin() -> Set[str]:
def unimport_end(mods: Set[str], collect: bool = True) -> None:
# static check that the size of sys.modules never grows above value of
# MICROPY_LOADED_MODULES_DICT_SIZE, so that the sys.modules dict is never
# reallocated at run-time
assert len(sys.modules) <= 160, "Please bump preallocated size in mpconfigport.h"
for mod in sys.modules:
if mod not in mods:
# remove reference from sys.modules

2
vendor/micropython vendored

@ -1 +1 @@
Subproject commit 3a3068da97ee45b812db61f09af8fefd17dc80f8
Subproject commit f7e780ae16bc62519e6b78672e43ecae9138ed0a