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
|
using Ryujinx.HLE.HOS.Kernel.Memory;
using System;
namespace Ryujinx.HLE.HOS.Kernel.Common
{
static class KernelInit
{
public static void InitializeResourceLimit(KResourceLimit resourceLimit)
{
void EnsureSuccess(KernelResult result)
{
if (result != KernelResult.Success)
{
throw new InvalidOperationException($"Unexpected result \"{result}\".");
}
}
int kernelMemoryCfg = 0;
long ramSize = GetRamSize(kernelMemoryCfg);
EnsureSuccess(resourceLimit.SetLimitValue(LimitableResource.Memory, ramSize));
EnsureSuccess(resourceLimit.SetLimitValue(LimitableResource.Thread, 800));
EnsureSuccess(resourceLimit.SetLimitValue(LimitableResource.Event, 700));
EnsureSuccess(resourceLimit.SetLimitValue(LimitableResource.TransferMemory, 200));
EnsureSuccess(resourceLimit.SetLimitValue(LimitableResource.Session, 900));
if (!resourceLimit.Reserve(LimitableResource.Memory, 0) ||
!resourceLimit.Reserve(LimitableResource.Memory, 0x60000))
{
throw new InvalidOperationException("Unexpected failure reserving memory on resource limit.");
}
}
public static KMemoryRegionManager[] GetMemoryRegions()
{
KMemoryArrange arrange = GetMemoryArrange();
return new KMemoryRegionManager[]
{
GetMemoryRegion(arrange.Application),
GetMemoryRegion(arrange.Applet),
GetMemoryRegion(arrange.Service),
GetMemoryRegion(arrange.NvServices)
};
}
private static KMemoryRegionManager GetMemoryRegion(KMemoryArrangeRegion region)
{
return new KMemoryRegionManager(region.Address, region.Size, region.EndAddr);
}
private static KMemoryArrange GetMemoryArrange()
{
int mcEmemCfg = 0x1000;
ulong ememApertureSize = (ulong)(mcEmemCfg & 0x3fff) << 20;
int kernelMemoryCfg = 0;
ulong ramSize = (ulong)GetRamSize(kernelMemoryCfg);
ulong ramPart0;
ulong ramPart1;
if (ramSize * 2 > ememApertureSize)
{
ramPart0 = ememApertureSize / 2;
ramPart1 = ememApertureSize / 2;
}
else
{
ramPart0 = ememApertureSize;
ramPart1 = 0;
}
int memoryArrange = 1;
ulong applicationRgSize;
switch (memoryArrange)
{
case 2: applicationRgSize = 0x80000000; break;
case 0x11:
case 0x21: applicationRgSize = 0x133400000; break;
default: applicationRgSize = 0xcd500000; break;
}
ulong appletRgSize;
switch (memoryArrange)
{
case 2: appletRgSize = 0x61200000; break;
case 3: appletRgSize = 0x1c000000; break;
case 0x11: appletRgSize = 0x23200000; break;
case 0x12:
case 0x21: appletRgSize = 0x89100000; break;
default: appletRgSize = 0x1fb00000; break;
}
KMemoryArrangeRegion serviceRg;
KMemoryArrangeRegion nvServicesRg;
KMemoryArrangeRegion appletRg;
KMemoryArrangeRegion applicationRg;
const ulong nvServicesRgSize = 0x29ba000;
ulong applicationRgEnd = DramMemoryMap.DramEnd; //- RamPart0;
applicationRg = new KMemoryArrangeRegion(applicationRgEnd - applicationRgSize, applicationRgSize);
ulong nvServicesRgEnd = applicationRg.Address - appletRgSize;
nvServicesRg = new KMemoryArrangeRegion(nvServicesRgEnd - nvServicesRgSize, nvServicesRgSize);
appletRg = new KMemoryArrangeRegion(nvServicesRgEnd, appletRgSize);
//Note: There is an extra region used by the kernel, however
//since we are doing HLE we are not going to use that memory, so give all
//the remaining memory space to services.
ulong serviceRgSize = nvServicesRg.Address - DramMemoryMap.SlabHeapEnd;
serviceRg = new KMemoryArrangeRegion(DramMemoryMap.SlabHeapEnd, serviceRgSize);
return new KMemoryArrange(serviceRg, nvServicesRg, appletRg, applicationRg);
}
private static long GetRamSize(int kernelMemoryCfg)
{
switch ((kernelMemoryCfg >> 16) & 3)
{
case 1: return 0x180000000;
case 2: return 0x200000000;
default: return 0x100000000;
}
}
}
}
|
