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[kernel] carry pthread scheduling

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This commit is contained in:
ParantezTech
2026-06-29 13:27:59 +03:00
parent e28259a99d
commit 7f85971e39
4 changed files with 168 additions and 12 deletions
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src/SharpEmu.Libs/Kernel/KernelExports.cs
+21 -2
View File
@@ -204,6 +204,16 @@ public static class KernelExports
var nameAddress = ctx[CpuRegister.R8];
var name = nameAddress == 0 ? string.Empty : ReadCString(ctx, nameAddress, 256);
var threadHandle = KernelPthreadState.CreateThreadHandle(name);
KernelPthreadExtendedCompatExports.GetThreadStartScheduling(
ctx,
attrAddress,
out var priority,
out var affinityMask);
KernelPthreadExtendedCompatExports.RegisterThreadStart(
threadHandle,
name,
priority,
affinityMask);
if (threadIdAddress != 0 && !ctx.TryWriteUInt64(threadIdAddress, threadHandle))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
@@ -212,13 +222,22 @@ public static class KernelExports
if (ShouldTracePthread())
{
Console.Error.WriteLine(
$"[LOADER][TRACE] pthread_create: out=0x{threadIdAddress:X16} attr=0x{attrAddress:X16} entry=0x{entryAddress:X16} arg=0x{argument:X16} name_ptr=0x{nameAddress:X16} name='{name}' -> thread=0x{threadHandle:X16}");
$"[LOADER][TRACE] pthread_create: out=0x{threadIdAddress:X16} attr=0x{attrAddress:X16} " +
$"entry=0x{entryAddress:X16} arg=0x{argument:X16} name_ptr=0x{nameAddress:X16} " +
$"name='{name}' priority={priority} affinity=0x{affinityMask:X} -> thread=0x{threadHandle:X16}");
}
var scheduler = GuestThreadExecution.Scheduler;
if (scheduler is not null && entryAddress != 0)
{
var request = new GuestThreadStartRequest(threadHandle, entryAddress, argument, attrAddress, name);
var request = new GuestThreadStartRequest(
threadHandle,
entryAddress,
argument,
attrAddress,
name,
priority,
affinityMask);
if (!scheduler.TryStartThread(ctx, request, out var error))
{
Console.Error.WriteLine(
src/SharpEmu.Libs/Kernel/KernelPthreadExtendedCompatExports.cs
+46 -4
View File
@@ -13,13 +13,13 @@ namespace SharpEmu.Libs.Kernel;
public static class KernelPthreadExtendedCompatExports
{
private const int DefaultThreadPriority = 700;
private const ulong DefaultThreadAffinityMask = ulong.MaxValue;
private const ulong DefaultThreadAffinityMask = 0x7FUL;
private const int DefaultDetachState = 0;
private const ulong DefaultGuardSize = 0x1000UL;
private const ulong DefaultStackSize = 0x1_00000UL;
private const int DefaultInheritSched = 0;
private const int DefaultSchedPolicy = 0;
private const int DefaultSchedPriority = 0;
private const int DefaultInheritSched = 4;
private const int DefaultSchedPolicy = 1;
private const int DefaultSchedPriority = DefaultThreadPriority;
private const ulong SyntheticRwlockHandleBase = 0x00006003_0000_0000;
private const ulong SyntheticPthreadAttrHandleBase = 0x00006004_0000_0000;
@@ -34,6 +34,48 @@ public static class KernelPthreadExtendedCompatExports
private static readonly ConcurrentDictionary<ulong, ConcurrentDictionary<int, ulong>> _threadLocalSpecific = new();
internal static void GetThreadStartScheduling(
CpuContext ctx,
ulong attrAddress,
out int priority,
out ulong affinityMask)
{
if (attrAddress == 0)
{
priority = DefaultThreadPriority;
affinityMask = DefaultThreadAffinityMask;
return;
}
var resolvedAddress = ResolvePthreadAttrHandle(ctx, attrAddress);
lock (_stateGate)
{
var attributes = GetOrCreateAttrStateLocked(resolvedAddress);
priority = attributes.SchedPriority;
affinityMask = attributes.AffinityMask;
}
}
internal static void RegisterThreadStart(
ulong thread,
string name,
int priority,
ulong affinityMask)
{
lock (_stateGate)
{
var state = GetOrCreateThreadStateLocked(thread);
state.Name = name;
state.Priority = priority;
state.AffinityMask = affinityMask;
state.Attributes = state.Attributes with
{
SchedPriority = priority,
AffinityMask = affinityMask,
};
}
}
private sealed class ThreadState
{
public string Name { get; set; } = string.Empty;