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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.HLE/HOS/Kernel/Process/KProcessCapabilities.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'Ryujinx.HLE/HOS/Kernel/Process/KProcessCapabilities.cs')
-rw-r--r--Ryujinx.HLE/HOS/Kernel/Process/KProcessCapabilities.cs328
1 files changed, 0 insertions, 328 deletions
diff --git a/Ryujinx.HLE/HOS/Kernel/Process/KProcessCapabilities.cs b/Ryujinx.HLE/HOS/Kernel/Process/KProcessCapabilities.cs
deleted file mode 100644
index c99e3112..00000000
--- a/Ryujinx.HLE/HOS/Kernel/Process/KProcessCapabilities.cs
+++ /dev/null
@@ -1,328 +0,0 @@
-using Ryujinx.HLE.HOS.Kernel.Memory;
-using Ryujinx.HLE.HOS.Kernel.Threading;
-using Ryujinx.Horizon.Common;
-using System;
-using System.Numerics;
-
-namespace Ryujinx.HLE.HOS.Kernel.Process
-{
- class KProcessCapabilities
- {
- public byte[] SvcAccessMask { get; }
- public byte[] IrqAccessMask { get; }
-
- public ulong AllowedCpuCoresMask { get; private set; }
- public ulong AllowedThreadPriosMask { get; private set; }
-
- public uint DebuggingFlags { get; private set; }
- public uint HandleTableSize { get; private set; }
- public uint KernelReleaseVersion { get; private set; }
- public uint ApplicationType { get; private set; }
-
- public KProcessCapabilities()
- {
- // length / number of bits of the underlying type
- SvcAccessMask = new byte[KernelConstants.SupervisorCallCount / 8];
- IrqAccessMask = new byte[0x80];
- }
-
- public Result InitializeForKernel(ReadOnlySpan<uint> capabilities, KPageTableBase memoryManager)
- {
- AllowedCpuCoresMask = 0xf;
- AllowedThreadPriosMask = ulong.MaxValue;
- DebuggingFlags &= ~3u;
- KernelReleaseVersion = KProcess.KernelVersionPacked;
-
- return Parse(capabilities, memoryManager);
- }
-
- public Result InitializeForUser(ReadOnlySpan<uint> capabilities, KPageTableBase memoryManager)
- {
- return Parse(capabilities, memoryManager);
- }
-
- private Result Parse(ReadOnlySpan<uint> capabilities, KPageTableBase memoryManager)
- {
- int mask0 = 0;
- int mask1 = 0;
-
- for (int index = 0; index < capabilities.Length; index++)
- {
- uint cap = capabilities[index];
-
- if (cap.GetCapabilityType() != CapabilityType.MapRange)
- {
- Result result = ParseCapability(cap, ref mask0, ref mask1, memoryManager);
-
- if (result != Result.Success)
- {
- return result;
- }
- }
- else
- {
- if ((uint)index + 1 >= capabilities.Length)
- {
- return KernelResult.InvalidCombination;
- }
-
- uint prevCap = cap;
-
- cap = capabilities[++index];
-
- if (((cap + 1) & ~cap) != 0x40)
- {
- return KernelResult.InvalidCombination;
- }
-
- if ((cap & 0x78000000) != 0)
- {
- return KernelResult.MaximumExceeded;
- }
-
- if ((cap & 0x7ffff80) == 0)
- {
- return KernelResult.InvalidSize;
- }
-
- long address = ((long)prevCap << 5) & 0xffffff000;
- long size = ((long)cap << 5) & 0xfffff000;
-
- if (((ulong)(address + size - 1) >> 36) != 0)
- {
- return KernelResult.InvalidAddress;
- }
-
- KMemoryPermission perm = (prevCap >> 31) != 0
- ? KMemoryPermission.Read
- : KMemoryPermission.ReadAndWrite;
-
- Result result;
-
- if ((cap >> 31) != 0)
- {
- result = memoryManager.MapNormalMemory(address, size, perm);
- }
- else
- {
- result = memoryManager.MapIoMemory(address, size, perm);
- }
-
- if (result != Result.Success)
- {
- return result;
- }
- }
- }
-
- return Result.Success;
- }
-
- private Result ParseCapability(uint cap, ref int mask0, ref int mask1, KPageTableBase memoryManager)
- {
- CapabilityType code = cap.GetCapabilityType();
-
- if (code == CapabilityType.Invalid)
- {
- return KernelResult.InvalidCapability;
- }
- else if (code == CapabilityType.Padding)
- {
- return Result.Success;
- }
-
- int codeMask = 1 << (32 - BitOperations.LeadingZeroCount(code.GetFlag() + 1));
-
- // Check if the property was already set.
- if (((mask0 & codeMask) & 0x1e008) != 0)
- {
- return KernelResult.InvalidCombination;
- }
-
- mask0 |= codeMask;
-
- switch (code)
- {
- case CapabilityType.CorePriority:
- {
- if (AllowedCpuCoresMask != 0 || AllowedThreadPriosMask != 0)
- {
- return KernelResult.InvalidCapability;
- }
-
- uint lowestCpuCore = (cap >> 16) & 0xff;
- uint highestCpuCore = (cap >> 24) & 0xff;
-
- if (lowestCpuCore > highestCpuCore)
- {
- return KernelResult.InvalidCombination;
- }
-
- uint highestThreadPrio = (cap >> 4) & 0x3f;
- uint lowestThreadPrio = (cap >> 10) & 0x3f;
-
- if (lowestThreadPrio > highestThreadPrio)
- {
- return KernelResult.InvalidCombination;
- }
-
- if (highestCpuCore >= KScheduler.CpuCoresCount)
- {
- return KernelResult.InvalidCpuCore;
- }
-
- AllowedCpuCoresMask = GetMaskFromMinMax(lowestCpuCore, highestCpuCore);
- AllowedThreadPriosMask = GetMaskFromMinMax(lowestThreadPrio, highestThreadPrio);
-
- break;
- }
-
- case CapabilityType.SyscallMask:
- {
- int slot = ((int)cap >> 29) & 7;
-
- int svcSlotMask = 1 << slot;
-
- if ((mask1 & svcSlotMask) != 0)
- {
- return KernelResult.InvalidCombination;
- }
-
- mask1 |= svcSlotMask;
-
- uint svcMask = (cap >> 5) & 0xffffff;
-
- int baseSvc = slot * 24;
-
- for (int index = 0; index < 24; index++)
- {
- if (((svcMask >> index) & 1) == 0)
- {
- continue;
- }
-
- int svcId = baseSvc + index;
-
- if (svcId >= KernelConstants.SupervisorCallCount)
- {
- return KernelResult.MaximumExceeded;
- }
-
- SvcAccessMask[svcId / 8] |= (byte)(1 << (svcId & 7));
- }
-
- break;
- }
-
- case CapabilityType.MapIoPage:
- {
- long address = ((long)cap << 4) & 0xffffff000;
-
- memoryManager.MapIoMemory(address, KPageTableBase.PageSize, KMemoryPermission.ReadAndWrite);
-
- break;
- }
-
- case CapabilityType.MapRegion:
- {
- // TODO: Implement capabilities for MapRegion
-
- break;
- }
-
- case CapabilityType.InterruptPair:
- {
- // TODO: GIC distributor check.
- int irq0 = ((int)cap >> 12) & 0x3ff;
- int irq1 = ((int)cap >> 22) & 0x3ff;
-
- if (irq0 != 0x3ff)
- {
- IrqAccessMask[irq0 / 8] |= (byte)(1 << (irq0 & 7));
- }
-
- if (irq1 != 0x3ff)
- {
- IrqAccessMask[irq1 / 8] |= (byte)(1 << (irq1 & 7));
- }
-
- break;
- }
-
- case CapabilityType.ProgramType:
- {
- uint applicationType = (cap >> 14);
-
- if (applicationType > 7)
- {
- return KernelResult.ReservedValue;
- }
-
- ApplicationType = applicationType;
-
- break;
- }
-
- case CapabilityType.KernelVersion:
- {
- // Note: This check is bugged on kernel too, we are just replicating the bug here.
- if ((KernelReleaseVersion >> 17) != 0 || cap < 0x80000)
- {
- return KernelResult.ReservedValue;
- }
-
- KernelReleaseVersion = cap;
-
- break;
- }
-
- case CapabilityType.HandleTable:
- {
- uint handleTableSize = cap >> 26;
-
- if (handleTableSize > 0x3ff)
- {
- return KernelResult.ReservedValue;
- }
-
- HandleTableSize = handleTableSize;
-
- break;
- }
-
- case CapabilityType.DebugFlags:
- {
- uint debuggingFlags = cap >> 19;
-
- if (debuggingFlags > 3)
- {
- return KernelResult.ReservedValue;
- }
-
- DebuggingFlags &= ~3u;
- DebuggingFlags |= debuggingFlags;
-
- break;
- }
-
- default: return KernelResult.InvalidCapability;
- }
-
- return Result.Success;
- }
-
- private static ulong GetMaskFromMinMax(uint min, uint max)
- {
- uint range = max - min + 1;
-
- if (range == 64)
- {
- return ulong.MaxValue;
- }
-
- ulong mask = (1UL << (int)range) - 1;
-
- return mask << (int)min;
- }
- }
-} \ No newline at end of file
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