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stm32/main: Add support for additional GC blocks.

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Add support for defining additional GC blocks via linker scripts.  A board
would need to define `_gc_blocks_table_start` and `_gc_blocks_table_end`
and within that region have pairs of (address, length) for each GC block
to add.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
This commit is contained in:
iabdalkader
2025-03-27 13:47:31 +01:00
committed by Damien George
parent 0815b45479
commit cbe50635e8
1 changed files with 17 additions and 0 deletions
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17
ports/stm32/main.c
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@@ -521,6 +521,23 @@ soft_reset:
// GC init
gc_init(MICROPY_HEAP_START, MICROPY_HEAP_END);
// Add additional GC blocks (if enabled).
#if MICROPY_GC_SPLIT_HEAP
typedef struct {
uint8_t *addr;
uint32_t size;
} gc_blocks_table_t;
extern const gc_blocks_table_t _gc_blocks_table_start;
extern const gc_blocks_table_t _gc_blocks_table_end;
for (gc_blocks_table_t const *block = &_gc_blocks_table_start; block < &_gc_blocks_table_end; block++) {
if (block->size) {
gc_add(block->addr, block->addr + block->size);
}
}
#endif
#if MICROPY_ENABLE_PYSTACK
static mp_obj_t pystack[384];
mp_pystack_init(pystack, &pystack[384]);