[fiber] synchronization problems have been fixed for such a titles: Demon's Souls

[ampr] new exports
[memory] trampoline fixes
This commit is contained in:
ParantezTech
2026-06-23 15:48:45 +03:00
parent dad85b87c3
commit d134f9b9f6
11 changed files with 1074 additions and 242 deletions
+172
View File
@@ -2,6 +2,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
using SharpEmu.HLE;
using SharpEmu.Libs.Kernel;
using System.Buffers.Binary;
using System.Collections.Concurrent;
@@ -17,8 +18,10 @@ public static class AmprExports
private const ulong CommandBufferAux1Offset = 0x20;
private const ulong ReadFileRecordSize = 0x30;
private const ulong KernelEventQueueRecordSize = 0x30;
private const ulong WriteAddressRecordSize = 0x20;
private const uint ReadFileRecordType = 1;
private const uint KernelEventQueueRecordType = 2;
private const uint WriteAddressRecordType = 3;
private static readonly ConcurrentDictionary<ulong, CommandBufferState> _commandBuffers = new();
private sealed class CommandBufferState
@@ -284,6 +287,18 @@ public static class AmprExports
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
}
[SysAbiExport(
Nid = "C+IEj+BsAFM",
ExportName = "sceAmprMeasureCommandSizeWriteAddressOnCompletion",
Target = Generation.Gen5,
LibraryName = "libSceAmpr")]
public static int MeasureCommandSizeWriteAddressOnCompletion(CpuContext ctx)
{
TraceAmpr(ctx, "measure_write_address_complete", 0, WriteAddressRecordSize, 0);
ctx[CpuRegister.Rax] = WriteAddressRecordSize;
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
}
[SysAbiExport(
Nid = "tZDDEo2tE5k",
ExportName = "sceAmprCommandBufferGetSize",
@@ -362,6 +377,92 @@ public static class AmprExports
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
}
[SysAbiExport(
Nid = "sJXyWHjP-F8",
ExportName = "sceAmprCommandBufferWriteAddressOnCompletion",
Target = Generation.Gen5,
LibraryName = "libSceAmpr")]
public static int CommandBufferWriteAddressOnCompletion(CpuContext ctx)
{
var commandBuffer = ctx[CpuRegister.Rdi];
var address = ctx[CpuRegister.Rsi];
var value = ctx[CpuRegister.Rdx];
if (commandBuffer == 0 || address == 0)
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
}
if (!AppendWriteAddressRecord(ctx, commandBuffer, address, value))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
TraceAmpr(ctx, "write_address_complete", commandBuffer, address, value);
ctx[CpuRegister.Rax] = 0;
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
}
public static int CompleteCommandBuffer(CpuContext ctx, ulong commandBuffer)
{
if (commandBuffer == 0)
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
}
if (!TryGetCommandBufferState(ctx, commandBuffer, out var buffer, out _, out var state) || state is null)
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
ulong writeOffset;
lock (state)
{
writeOffset = state.WriteOffset;
}
var offset = 0UL;
while (offset < writeOffset)
{
if (!TryReadUInt32(ctx, buffer + offset, out var recordType))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
switch (recordType)
{
case ReadFileRecordType:
offset += ReadFileRecordSize;
break;
case KernelEventQueueRecordType:
if (!CompleteKernelEventQueueRecord(ctx, buffer + offset))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
offset += KernelEventQueueRecordSize;
break;
case WriteAddressRecordType:
if (!CompleteWriteAddressRecord(ctx, buffer + offset))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
offset += WriteAddressRecordSize;
break;
default:
TraceAmpr(ctx, "complete_unknown", commandBuffer, recordType, offset);
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
}
}
TraceAmpr(ctx, "complete", commandBuffer, buffer, writeOffset);
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
}
private static bool InitializeCommandBuffer(
CpuContext ctx,
ulong commandBuffer,
@@ -576,6 +677,17 @@ public static class AmprExports
return AppendCommandBufferRecord(ctx, commandBuffer, record);
}
private static bool AppendWriteAddressRecord(CpuContext ctx, ulong commandBuffer, ulong address, ulong value)
{
Span<byte> record = stackalloc byte[(int)WriteAddressRecordSize];
record.Clear();
BinaryPrimitives.WriteUInt32LittleEndian(record[0x00..], WriteAddressRecordType);
BinaryPrimitives.WriteUInt64LittleEndian(record[0x08..], address);
BinaryPrimitives.WriteUInt64LittleEndian(record[0x10..], value);
return AppendCommandBufferRecord(ctx, commandBuffer, record);
}
private static bool AppendCommandBufferRecord(CpuContext ctx, ulong commandBuffer, ReadOnlySpan<byte> record)
{
if (!TryGetCommandBufferState(ctx, commandBuffer, out _, out _, out var state) || state is null)
@@ -604,6 +716,66 @@ public static class AmprExports
return true;
}
private static bool CompleteKernelEventQueueRecord(CpuContext ctx, ulong recordAddress)
{
Span<byte> record = stackalloc byte[(int)KernelEventQueueRecordSize];
if (!ctx.Memory.TryRead(recordAddress, record))
{
return false;
}
var filter = unchecked((short)BinaryPrimitives.ReadUInt32LittleEndian(record[0x04..]));
var equeue = BinaryPrimitives.ReadUInt64LittleEndian(record[0x08..]);
var ident = BinaryPrimitives.ReadUInt64LittleEndian(record[0x10..]);
var userData = BinaryPrimitives.ReadUInt64LittleEndian(record[0x18..]);
var data = BinaryPrimitives.ReadUInt64LittleEndian(record[0x20..]);
var extra = BinaryPrimitives.ReadUInt64LittleEndian(record[0x28..]);
var queuedEvent = new KernelEventQueueCompatExports.KernelQueuedEvent(
ident,
filter,
0x20,
unchecked((uint)extra),
data,
userData);
_ = KernelEventQueueCompatExports.EnqueueEvent(equeue, queuedEvent);
TraceAmpr(ctx, "complete_equeue", equeue, ident, data);
return true;
}
private static bool CompleteWriteAddressRecord(CpuContext ctx, ulong recordAddress)
{
Span<byte> record = stackalloc byte[(int)WriteAddressRecordSize];
if (!ctx.Memory.TryRead(recordAddress, record))
{
return false;
}
var address = BinaryPrimitives.ReadUInt64LittleEndian(record[0x08..]);
var value = BinaryPrimitives.ReadUInt64LittleEndian(record[0x10..]);
if (!ctx.TryWriteUInt64(address, value))
{
return false;
}
TraceAmpr(ctx, "complete_write_address", address, value, 0);
return true;
}
private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
{
Span<byte> buffer = stackalloc byte[sizeof(uint)];
if (!ctx.Memory.TryRead(address, buffer))
{
value = 0;
return false;
}
value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
return true;
}
private static void TraceAmpr(CpuContext ctx, string operation, ulong commandBuffer, ulong arg0, ulong arg1)
{
if (!string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_AMPR"), "1", StringComparison.Ordinal))