mirror of
https://github.com/wheremyfoodat/Panda3DS.git
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47 lines
No EOL
999 B
C++
47 lines
No EOL
999 B
C++
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <sys/mman.h>
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#endif
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#include "host_memory/virtual_buffer.h"
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namespace Common {
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void* AllocateMemoryPages(std::size_t size) noexcept {
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#ifdef _WIN32
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void* base{VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE)};
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#else
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void* base{mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0)};
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if (base == MAP_FAILED) {
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base = nullptr;
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}
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#endif
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if (!base) {
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Helpers::panic("Failed to allocate memory pages");
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}
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return base;
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}
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void FreeMemoryPages(void* base, [[maybe_unused]] std::size_t size) noexcept {
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if (!base) {
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return;
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}
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#ifdef _WIN32
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if (!VirtualFree(base, 0, MEM_RELEASE)) {
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Helpers::panic("Failed to free memory pages");
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}
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#else
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if (munmap(base, size) != 0) {
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Helpers::panic("Failed to free memory pages");
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}
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#endif
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}
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} // namespace Common
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