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-rw-r--r--src/common/memory_detect.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/common/memory_detect.cpp b/src/common/memory_detect.cpp
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--- /dev/null
+++ b/src/common/memory_detect.cpp
@@ -0,0 +1,60 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#ifdef _WIN32
+// clang-format off
+#include <windows.h>
+#include <sysinfoapi.h>
+// clang-format on
+#else
+#include <sys/types.h>
+#ifdef __APPLE__
+#include <sys/sysctl.h>
+#else
+#include <sys/sysinfo.h>
+#endif
+#endif
+
+#include "common/memory_detect.h"
+
+namespace Common {
+
+// Detects the RAM and Swapfile sizes
+static MemoryInfo Detect() {
+ MemoryInfo mem_info{};
+
+#ifdef _WIN32
+ MEMORYSTATUSEX memorystatus;
+ memorystatus.dwLength = sizeof(memorystatus);
+ GlobalMemoryStatusEx(&memorystatus);
+ mem_info.TotalPhysicalMemory = memorystatus.ullTotalPhys;
+ mem_info.TotalSwapMemory = memorystatus.ullTotalPageFile - mem_info.TotalPhysicalMemory;
+#elif defined(__APPLE__)
+ u64 ramsize;
+ struct xsw_usage vmusage;
+ std::size_t sizeof_ramsize = sizeof(ramsize);
+ std::size_t sizeof_vmusage = sizeof(vmusage);
+ // hw and vm are defined in sysctl.h
+ // https://github.com/apple/darwin-xnu/blob/master/bsd/sys/sysctl.h#L471
+ // sysctlbyname(const char *, void *, size_t *, void *, size_t);
+ sysctlbyname("hw.memsize", &ramsize, &sizeof_ramsize, NULL, 0);
+ sysctlbyname("vm.swapusage", &vmusage, &sizeof_vmusage, NULL, 0);
+ mem_info.TotalPhysicalMemory = ramsize;
+ mem_info.TotalSwapMemory = vmusage.xsu_total;
+#else
+ struct sysinfo meminfo;
+ sysinfo(&meminfo);
+ mem_info.TotalPhysicalMemory = meminfo.totalram;
+ mem_info.TotalSwapMemory = meminfo.totalswap;
+#endif
+
+ return mem_info;
+}
+
+const MemoryInfo& GetMemInfo() {
+ static MemoryInfo mem_info = Detect();
+ return mem_info;
+}
+
+} // namespace Common \ No newline at end of file