HomeSpan/src/PSRAM.h

62 lines
2.3 KiB
C++

/*********************************************************************************
* MIT License
*
* Copyright (c) 2020-2024 Gregg E. Berman
*
* https://github.com/HomeSpan/HomeSpan
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
********************************************************************************/
#pragma once
#ifndef HS_MALLOC
#if defined(BOARD_HAS_PSRAM)
#define HS_MALLOC ps_malloc
#define HS_CALLOC ps_calloc
#define HS_REALLOC ps_realloc
#define ps_new(X) new(ps_malloc(sizeof(X)))X
#else
#define HS_MALLOC malloc
#define HS_CALLOC calloc
#define HS_REALLOC realloc
#define ps_new(X) new X
#endif
template <class T>
struct Mallocator {
typedef T value_type;
Mallocator() = default;
template <class U> constexpr Mallocator(const Mallocator<U>&) noexcept {}
[[nodiscard]] T* allocate(std::size_t n) {
if(n > std::size_t(-1) / sizeof(T)) throw std::bad_alloc();
if(auto p = static_cast<T*>(HS_MALLOC(n*sizeof(T)))) return p;
throw std::bad_alloc();
}
void deallocate(T* p, std::size_t) noexcept { std::free(p); }
};
template <class T, class U>
bool operator==(const Mallocator<T>&, const Mallocator<U>&) { return true; }
template <class T, class U>
bool operator!=(const Mallocator<T>&, const Mallocator<U>&) { return false; }
#endif