diff options
| author | Phil Howard <phil@gadgetoid.com> | 2024-07-04 10:19:26 +0100 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2024-08-02 16:21:36 +1000 |
| commit | e7ff0b8a31a7f36cc1b3dfb7e5fd7b8805ff85ce (patch) | |
| tree | d35673c2bb7bf5a35e685fe0caad257cfbf315a5 | |
| parent | 1557014ea4e88a1dfbef028afa393e6d2c3e6a9e (diff) | |
rp2/memmap_mp.ld: Lower the minimum GC heap to 32K.
Reduce mimimum heap requirement. This value allows more room for large,
static buffers in user C modules (such as graphics buffers or otherwise)
which might be allocated outside of MicroPython's heap to guarantee
alignment or avoid fragmentation.
Signed-off-by: Phil Howard <phil@gadgetoid.com>
| -rw-r--r-- | ports/rp2/memmap_mp.ld | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/ports/rp2/memmap_mp.ld b/ports/rp2/memmap_mp.ld index 0ed9509b8..a5799cd88 100644 --- a/ports/rp2/memmap_mp.ld +++ b/ports/rp2/memmap_mp.ld @@ -256,9 +256,13 @@ SECTIONS __StackBottom = __StackTop - SIZEOF(.stack_dummy); PROVIDE(__stack = __StackTop); - /* Check GC heap is at least 128 KB */ - /* On a RP2040 using all SRAM this should always be the case. */ - ASSERT((__GcHeapEnd - __GcHeapStart) > 128*1024, "GcHeap is too small") + /* Check GC heap is at least 32 KB */ + /* This is quarter the minimum RAM suggested for full-featured MicroPython. + * This value accounts for large static buffers included in user C or C++ + * modules, which might significantly reduce the available heap but also + * lower demand for memory at runtime. + */ + ASSERT((__GcHeapEnd - __GcHeapStart) > 32*1024, "GcHeap is too small") ASSERT( __binary_info_header_end - __logical_binary_start <= 256, "Binary info must be in first 256 bytes of the binary") /* todo assert on extra code */ |