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// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#ifdef _WIN32
#include <windows.h>
#else
#include <stdio.h>
#include <sys/mman.h>
#include <sys/types.h>
#if defined __APPLE__ || defined __FreeBSD__ || defined __OpenBSD__
#include <sys/sysctl.h>
#elif defined __HAIKU__
#include <OS.h>
#else
#include <sys/sysinfo.h>
#endif
#endif
#include "common/assert.h"
#include "common/virtual_buffer.h"
namespace Common {
void* AllocateMemoryPages(std::size_t size) {
#ifdef _WIN32
void* 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, std::size_t size) {
if (!base) {
return;
}
#ifdef _WIN32
ASSERT(VirtualFree(base, 0, MEM_RELEASE));
#else
ASSERT(munmap(base, size) == 0);
#endif
}
} // namespace Common
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