abb3e9351b
This places the VM heap in PSRAM by default. audio_dma now directly allocates its buffers to ensure they are dma_capable.
29 lines
1,009 B
C
29 lines
1,009 B
C
// This file is part of the CircuitPython project: https://circuitpython.org
|
|
//
|
|
// SPDX-FileCopyrightText: Copyright (c) 2023 Scott Shawcroft for Adafruit Industries
|
|
//
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
|
|
// Ports provide a heap for allocations that live outside the VM. The VM heap
|
|
// is allocated into it in split chunks. The supervisor provides a default heap
|
|
// implementation for ports that don't have one of their own. Allocations done
|
|
// to the outer heap *must* be explicitly managed. Only VM allocations are garbage
|
|
// collected.
|
|
|
|
// Called after port_init(). Ports can init the heap earlier in `port_init()` if
|
|
// they need and leave this empty. Splitting this out allows us to provide a weak
|
|
// implementation to use by default.
|
|
void port_heap_init(void);
|
|
|
|
void *port_malloc(size_t size, bool dma_capable);
|
|
|
|
void port_free(void *ptr);
|
|
|
|
void *port_realloc(void *ptr, size_t size, bool dma_capable);
|
|
|
|
size_t port_heap_get_largest_free_size(void);
|