From f6d06421090f88094aba76b72b04d614f54efafa Mon Sep 17 00:00:00 2001 From: jacqueline Date: Tue, 26 Sep 2023 11:23:53 +1000 Subject: Prepare for PMR with a memory_resource that understands heap_caps_malloc --- src/memory/allocator.cpp | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 src/memory/allocator.cpp (limited to 'src/memory/allocator.cpp') diff --git a/src/memory/allocator.cpp b/src/memory/allocator.cpp new file mode 100644 index 00000000..d505ab3e --- /dev/null +++ b/src/memory/allocator.cpp @@ -0,0 +1,29 @@ +/* + * Copyright 2023 jacqueline + * + * SPDX-License-Identifier: GPL-3.0-only + */ + +#include + +#include "esp_heap_caps.h" + +void* operator new[](std::size_t sz) { + if (sz == 0) { + ++sz; // avoid std::malloc(0) which may return nullptr on success + } + + if (sz > 256) { + return heap_caps_malloc(sz, MALLOC_CAP_SPIRAM); + } + + return heap_caps_malloc(sz, MALLOC_CAP_DEFAULT); +} + +void operator delete[](void* ptr) noexcept { + heap_caps_free(ptr); +} + +void operator delete[](void* ptr, std::size_t size) noexcept { + heap_caps_free(ptr); +} \ No newline at end of file -- cgit v1.2.3