1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
using Ryujinx.Common.Logging;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Text;
namespace Ryujinx.Common.SystemInfo
{
[SupportedOSPlatform("macos")]
partial class MacOSSystemInfo : SystemInfo
{
internal MacOSSystemInfo()
{
string cpuName = GetCpuidCpuName();
if (cpuName == null && SysctlByName("machdep.cpu.brand_string", out cpuName) != 0)
{
cpuName = "Unknown";
}
ulong totalRAM = 0;
if (SysctlByName("hw.memsize", ref totalRAM) != 0) // Bytes
{
totalRAM = 0;
}
CpuName = $"{cpuName} ; {LogicalCoreCount} logical";
RamTotal = totalRAM;
RamAvailable = GetVMInfoAvailableMemory();
}
static ulong GetVMInfoAvailableMemory()
{
var port = mach_host_self();
uint pageSize = 0;
var result = host_page_size(port, ref pageSize);
if (result != 0)
{
Logger.Error?.Print(LogClass.Application, $"Failed to query Available RAM. host_page_size() error = {result}");
return 0;
}
const int Flavor = 4; // HOST_VM_INFO64
uint count = (uint)(Marshal.SizeOf<VMStatistics64>() / sizeof(int)); // HOST_VM_INFO64_COUNT
VMStatistics64 stats = new();
result = host_statistics64(port, Flavor, ref stats, ref count);
if (result != 0)
{
Logger.Error?.Print(LogClass.Application, $"Failed to query Available RAM. host_statistics64() error = {result}");
return 0;
}
return (ulong)(stats.FreeCount + stats.InactiveCount) * pageSize;
}
private const string SystemLibraryName = "libSystem.dylib";
[LibraryImport(SystemLibraryName, SetLastError = true)]
private static partial int sysctlbyname([MarshalAs(UnmanagedType.LPStr)] string name, IntPtr oldValue, ref ulong oldSize, IntPtr newValue, ulong newValueSize);
private static int SysctlByName(string name, IntPtr oldValue, ref ulong oldSize)
{
if (sysctlbyname(name, oldValue, ref oldSize, IntPtr.Zero, 0) == -1)
{
int err = Marshal.GetLastWin32Error();
Logger.Error?.Print(LogClass.Application, $"Cannot retrieve '{name}'. Error Code {err}");
return err;
}
return 0;
}
private static int SysctlByName<T>(string name, ref T oldValue)
{
unsafe
{
ulong oldValueSize = (ulong)Unsafe.SizeOf<T>();
return SysctlByName(name, (IntPtr)Unsafe.AsPointer(ref oldValue), ref oldValueSize);
}
}
private static int SysctlByName(string name, out string oldValue)
{
oldValue = default;
ulong strSize = 0;
int res = SysctlByName(name, IntPtr.Zero, ref strSize);
if (res == 0)
{
byte[] rawData = new byte[strSize];
unsafe
{
fixed (byte* rawDataPtr = rawData)
{
res = SysctlByName(name, (IntPtr)rawDataPtr, ref strSize);
}
if (res == 0)
{
oldValue = Encoding.ASCII.GetString(rawData);
}
}
}
return res;
}
[LibraryImport(SystemLibraryName, SetLastError = true)]
private static partial uint mach_host_self();
[LibraryImport(SystemLibraryName, SetLastError = true)]
private static partial int host_page_size(uint host, ref uint out_page_size);
[StructLayout(LayoutKind.Sequential, Pack = 8)]
struct VMStatistics64
{
public uint FreeCount;
public uint ActiveCount;
public uint InactiveCount;
public uint WireCount;
public ulong ZeroFillCount;
public ulong Reactivations;
public ulong Pageins;
public ulong Pageouts;
public ulong Faults;
public ulong CowFaults;
public ulong Lookups;
public ulong Hits;
public ulong Purges;
public uint PurgeableCount;
public uint SpeculativeCount;
public ulong Decompressions;
public ulong Compressions;
public ulong Swapins;
public ulong Swapouts;
public uint CompressorPageCount;
public uint ThrottledCount;
public uint ExternalPageCount;
public uint InternalPageCount;
public ulong TotalUncompressedPagesInCompressor;
}
[LibraryImport(SystemLibraryName, SetLastError = true)]
private static partial int host_statistics64(uint hostPriv, int hostFlavor, ref VMStatistics64 hostInfo64Out, ref uint hostInfo64OutCnt);
}
}
|
