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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#ifdef _WIN32
#include <windows.h>
#else
#include <sys/mman.h>
#endif
#include "common/assert.h"
#include "common/virtual_buffer.h"
namespace Common {
void* AllocateMemoryPages(std::size_t size) noexcept {
#ifdef _WIN32
void* base = VirtualAlloc(nullptr, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
if (base == nullptr) {
// Probably failing to reserve is less likely than failing to commit
base = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE);
}
#else
void* base = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
if (base == MAP_FAILED)
base = nullptr;
#endif
ASSERT(base);
return base;
}
void FreeMemoryPages(void* base, [[maybe_unused]] std::size_t size) noexcept {
if (!base)
return;
#ifdef _WIN32
ASSERT(VirtualFree(base, 0, MEM_RELEASE));
#else
ASSERT(munmap(base, size) == 0);
#endif
}
} // namespace Common
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