private KernelResult SetMemoryAttribute(
ulong position,
ulong size,
MemoryAttribute attributeMask,
MemoryAttribute attributeValue)
{
if (!PageAligned(position))
{
return(KernelResult.InvalidAddress);
}
if (!PageAligned(size) || size == 0)
{
return(KernelResult.InvalidSize);
}
MemoryAttribute attributes = attributeMask | attributeValue;
if (attributes != attributeMask ||
(attributes | MemoryAttribute.Uncached) != MemoryAttribute.Uncached)
{
return(KernelResult.InvalidCombination);
}
KernelResult result = _process.MemoryManager.SetMemoryAttribute(
position,
size,
attributeMask,
attributeValue);
return(result);
}
public void SetState(KMemoryPermission permission, MemoryState state, MemoryAttribute attribute)
{
Permission = permission;
State = state;
Attribute &= MemoryAttribute.IpcAndDeviceMapped;
Attribute |= attribute;
}
public long SetMemoryAttribute(
long Position,
long Size,
MemoryAttribute AttributeMask,
MemoryAttribute AttributeValue)
{
lock (Blocks)
{
if (CheckRange(
Position,
Size,
MemoryState.AttributeChangeAllowed,
MemoryState.AttributeChangeAllowed,
MemoryPermission.None,
MemoryPermission.None,
MemoryAttribute.BorrowedAndIpcMapped,
MemoryAttribute.None,
MemoryAttribute.DeviceMappedAndUncached,
out MemoryState State,
out MemoryPermission Permission,
out MemoryAttribute Attribute))
{
long PagesCount = Size / PageSize;
Attribute &= ~AttributeMask;
Attribute |= AttributeMask & AttributeValue;
InsertBlock(Position, PagesCount, State, Permission, Attribute);
return(0);
}
}
return(MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm));
}
public KernelResult SetMemoryAttribute64(
ulong position,
ulong size,
MemoryAttribute attributeMask,
MemoryAttribute attributeValue)
{
return(SetMemoryAttribute(position, size, attributeMask, attributeValue));
}
public KernelResult SetMemoryAttribute32(
[R(0)] uint address,
[R(1)] uint size,
[R(2)] MemoryAttribute attributeMask,
[R(3)] MemoryAttribute attributeValue)
{
return(_syscall.SetMemoryAttribute(address, size, attributeMask, attributeValue));
}
public KernelResult SetMemoryAttribute64(
[R(0)] ulong position,
[R(1)] ulong size,
[R(2)] MemoryAttribute attributeMask,
[R(3)] MemoryAttribute attributeValue)
{
return(_syscall.SetMemoryAttribute(position, size, attributeMask, attributeValue));
}
public KernelResult SetMemoryAttribute32(
[R(0)] uint position,
[R(1)] uint size,
[R(2)] MemoryAttribute attributeMask,
[R(3)] MemoryAttribute attributeValue)
{
return(SetMemoryAttribute(position, size, attributeMask, attributeValue));
}
private void SvcSetMemoryAttribute(CpuThreadState ThreadState)
{
long Position = (long)ThreadState.X0;
long Size = (long)ThreadState.X1;
if (!PageAligned(Position))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{Position:x16} is not page aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(Size) || Size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{Size:x16} is not page aligned or is zero!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidSize);
return;
}
MemoryAttribute AttributeMask = (MemoryAttribute)ThreadState.X2;
MemoryAttribute AttributeValue = (MemoryAttribute)ThreadState.X3;
MemoryAttribute Attributes = AttributeMask | AttributeValue;
if (Attributes != AttributeMask ||
(Attributes | MemoryAttribute.Uncached) != MemoryAttribute.Uncached)
{
Logger.PrintWarning(LogClass.KernelSvc, "Invalid memory attributes!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidMaskValue);
return;
}
long Result = Process.MemoryManager.SetMemoryAttribute(
Position,
Size,
AttributeMask,
AttributeValue);
if (Result != 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Operation failed with error 0x{Result:x}!");
}
else
{
Memory.StopObservingRegion(Position, Size);
}
ThreadState.X0 = (ulong)Result;
}
private void SvcSetMemoryAttribute(CpuThreadState threadState)
{
ulong position = threadState.X0;
ulong size = threadState.X1;
if (!PageAligned(position))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{position:x16} is not page aligned!");
threadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(size) || size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{size:x16} is not page aligned or is zero!");
threadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidSize);
return;
}
MemoryAttribute attributeMask = (MemoryAttribute)threadState.X2;
MemoryAttribute attributeValue = (MemoryAttribute)threadState.X3;
MemoryAttribute attributes = attributeMask | attributeValue;
if (attributes != attributeMask ||
(attributes | MemoryAttribute.Uncached) != MemoryAttribute.Uncached)
{
Logger.PrintWarning(LogClass.KernelSvc, "Invalid memory attributes!");
threadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidMaskValue);
return;
}
KernelResult result = _process.MemoryManager.SetMemoryAttribute(
position,
size,
attributeMask,
attributeValue);
if (result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Operation failed with error \"{result}\".");
}
else
{
_memory.StopObservingRegion((long)position, (long)size);
}
threadState.X0 = (ulong)result;
}
public void InsertBlock(
ulong baseAddress,
ulong pagesCount,
MemoryState state,
KMemoryPermission permission = KMemoryPermission.None,
MemoryAttribute attribute = MemoryAttribute.None)
{
// Inserts new block at the list, replacing and splitting
// existing blocks as needed.
int oldCount = _blocks.Count;
ulong endAddr = baseAddress + pagesCount * PageSize;
LinkedListNode <KMemoryBlock> node = _blocks.First;
while (node != null)
{
LinkedListNode <KMemoryBlock> newNode = node;
KMemoryBlock currBlock = node.Value;
ulong currBaseAddr = currBlock.BaseAddress;
ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr;
if (baseAddress < currEndAddr && currBaseAddr < endAddr)
{
if (baseAddress > currBaseAddr)
{
_blocks.AddBefore(node, currBlock.SplitRightAtAddress(baseAddress));
}
if (endAddr < currEndAddr)
{
newNode = _blocks.AddBefore(node, currBlock.SplitRightAtAddress(endAddr));
}
newNode.Value.SetState(permission, state, attribute);
newNode = MergeEqualStateNeighbors(newNode);
}
if (currEndAddr - 1 >= endAddr - 1)
{
break;
}
node = newNode.Next;
}
_slabManager.Count += _blocks.Count - oldCount;
ValidateInternalState();
}
public void InsertBlock(
ulong baseAddress,
ulong pagesCount,
MemoryState state,
KMemoryPermission permission = KMemoryPermission.None,
MemoryAttribute attribute = MemoryAttribute.None)
{
// Inserts new block at the list, replacing and splitting
// existing blocks as needed.
int oldCount = _blockTree.Count;
ulong endAddr = baseAddress + pagesCount * PageSize;
KMemoryBlock currBlock = FindBlock(baseAddress);
while (currBlock != null)
{
ulong currBaseAddr = currBlock.BaseAddress;
ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr;
if (baseAddress < currEndAddr && currBaseAddr < endAddr)
{
if (baseAddress > currBaseAddr)
{
KMemoryBlock newBlock = currBlock.SplitRightAtAddress(baseAddress);
_blockTree.Add(newBlock);
}
if (endAddr < currEndAddr)
{
KMemoryBlock newBlock = currBlock.SplitRightAtAddress(endAddr);
_blockTree.Add(newBlock);
currBlock = newBlock;
}
currBlock.SetState(permission, state, attribute);
currBlock = MergeEqualStateNeighbors(currBlock);
}
if (currEndAddr - 1 >= endAddr - 1)
{
break;
}
currBlock = currBlock.Successor;
}
_slabManager.Count += _blockTree.Count - oldCount;
ValidateInternalState();
}
public void Write(int Address, int Value, MemoryAttribute Attr = MemoryAttribute.DATA)
{
if (Address >= RegisterBaseAddr && Address <= RegisterBaseAddr + 15)
{
Register[Address - RegisterBaseAddr] = Value;
}
else
{
Address += offset;
Memory.Write(Address, Value, Attr);
}
}
public KMemoryBlock(
long BasePosition,
long PagesCount,
MemoryState State,
MemoryPermission Permission,
MemoryAttribute Attribute)
{
this.BasePosition = BasePosition;
this.PagesCount = PagesCount;
this.State = State;
this.Attribute = Attribute;
this.Permission = Permission;
}
public KMemoryBlock(
ulong BaseAddress,
ulong PagesCount,
MemoryState State,
MemoryPermission Permission,
MemoryAttribute Attribute)
{
this.BaseAddress = BaseAddress;
this.PagesCount = PagesCount;
this.State = State;
this.Attribute = Attribute;
this.Permission = Permission;
}
public KMemoryBlock(
ulong baseAddress,
ulong pagesCount,
MemoryState state,
MemoryPermission permission,
MemoryAttribute attribute)
{
BaseAddress = baseAddress;
PagesCount = pagesCount;
State = state;
Attribute = attribute;
Permission = permission;
}
public KMemoryInfo(
ulong address,
ulong size,
MemoryState state,
MemoryPermission permission,
MemoryAttribute attribute,
int ipcRefCount,
int deviceRefCount)
{
Address = address;
Size = size;
State = state;
Attribute = attribute;
Permission = permission;
IpcRefCount = ipcRefCount;
DeviceRefCount = deviceRefCount;
}
/// <summary>
/// 写数据到某个地址
/// </summary>
/// <param name="Address">地址</param>
/// <param name="Value">值</param>
/// <param name="Attr">属性</param>
public void Write(int Address, int Value, MemoryAttribute Attr = MemoryAttribute.DATA)
{
if (Address < 0 || Address > 1024)
{
throw new VMException(VMFault.InvalidAddr, $"无效的内存地址：{Address}");
}
if (memoryAttribute[Address] != MemoryAttribute.DATA)
{
throw new VMException(VMFault.ReadOnly, $"内存地址禁止访问：{Address}");
}
memoryPool[Address] = Value;
memoryAttribute[Address] = Attr;
if (Attr == MemoryAttribute.CODE)
{
ParamBaseAddress = Address + 1;
}
}
public KMemoryBlock(
ulong baseAddress,
ulong pagesCount,
MemoryState state,
KMemoryPermission permission,
MemoryAttribute attribute,
int ipcRefCount = 0,
int deviceRefCount = 0)
{
BaseAddress = baseAddress;
PagesCount = pagesCount;
State = state;
Attribute = attribute;
Permission = permission;
IpcRefCount = ipcRefCount;
DeviceRefCount = deviceRefCount;
}
public KMemoryInfo(
long Position,
long Size,
MemoryState State,
MemoryPermission Permission,
MemoryAttribute Attribute,
int IpcRefCount,
int DeviceRefCount)
{
this.Position = Position;
this.Size = Size;
this.State = State;
this.Attribute = Attribute;
this.Permission = Permission;
this.IpcRefCount = IpcRefCount;
this.DeviceRefCount = DeviceRefCount;
}
public KMemoryInfo(
ulong Address,
ulong Size,
MemoryState State,
MemoryPermission Permission,
MemoryAttribute Attribute,
int IpcRefCount,
int DeviceRefCount)
{
this.Address = Address;
this.Size = Size;
this.State = State;
this.Attribute = Attribute;
this.Permission = Permission;
this.IpcRefCount = IpcRefCount;
this.DeviceRefCount = DeviceRefCount;
}
private bool CheckRange(
long Position,
long Size,
MemoryState StateMask,
MemoryState StateExpected,
MemoryPermission PermissionMask,
MemoryPermission PermissionExpected,
MemoryAttribute AttributeMask,
MemoryAttribute AttributeExpected,
MemoryAttribute AttributeIgnoreMask,
out MemoryState OutState,
out MemoryPermission OutPermission,
out MemoryAttribute OutAttribute)
{
KMemoryInfo BlkInfo = FindBlock(Position).GetInfo();
ulong Start = (ulong)Position;
ulong End = (ulong)Size + Start;
if (End <= (ulong)(BlkInfo.Position + BlkInfo.Size))
{
if ((BlkInfo.Attribute & AttributeMask) == AttributeExpected &&
(BlkInfo.State & StateMask) == StateExpected &&
(BlkInfo.Permission & PermissionMask) == PermissionExpected)
{
OutState = BlkInfo.State;
OutPermission = BlkInfo.Permission;
OutAttribute = BlkInfo.Attribute & ~AttributeIgnoreMask;
return(true);
}
}
OutState = MemoryState.Unmapped;
OutPermission = MemoryPermission.None;
OutAttribute = MemoryAttribute.None;
return(false);
}
private KernelResult CopyToClient(KMemoryManager memoryManager, List<KBufferDescriptor> list)
{
foreach (KBufferDescriptor desc in list)
{
MemoryState stateMask;
switch (desc.State)
{
case MemoryState.IpcBuffer0: stateMask = MemoryState.IpcSendAllowedType0; break;
case MemoryState.IpcBuffer1: stateMask = MemoryState.IpcSendAllowedType1; break;
case MemoryState.IpcBuffer3: stateMask = MemoryState.IpcSendAllowedType3; break;
default: return KernelResult.InvalidCombination;
}
MemoryAttribute attributeMask = MemoryAttribute.Borrowed | MemoryAttribute.Uncached;
if (desc.State == MemoryState.IpcBuffer0)
{
attributeMask |= MemoryAttribute.DeviceMapped;
}
ulong clientAddrTruncated = BitUtils.AlignDown(desc.ClientAddress, KMemoryManager.PageSize);
ulong clientAddrRounded = BitUtils.AlignUp (desc.ClientAddress, KMemoryManager.PageSize);
// Check if address is not aligned, in this case we need to perform 2 copies.
if (clientAddrTruncated != clientAddrRounded)
{
ulong copySize = clientAddrRounded - desc.ClientAddress;
if (copySize > desc.Size)
{
copySize = desc.Size;
}
KernelResult result = memoryManager.CopyDataFromCurrentProcess(
desc.ClientAddress,
copySize,
stateMask,
stateMask,
KMemoryPermission.ReadAndWrite,
attributeMask,
MemoryAttribute.None,
desc.ServerAddress);
if (result != KernelResult.Success)
{
return result;
}
}
ulong clientEndAddr = desc.ClientAddress + desc.Size;
ulong serverEndAddr = desc.ServerAddress + desc.Size;
ulong clientEndAddrTruncated = BitUtils.AlignDown(clientEndAddr, KMemoryManager.PageSize);
ulong clientEndAddrRounded = BitUtils.AlignUp (clientEndAddr, KMemoryManager.PageSize);
ulong serverEndAddrTruncated = BitUtils.AlignDown(serverEndAddr, KMemoryManager.PageSize);
if (clientEndAddrTruncated < clientEndAddrRounded &&
(clientAddrTruncated == clientAddrRounded || clientAddrTruncated < clientEndAddrTruncated))
{
KernelResult result = memoryManager.CopyDataFromCurrentProcess(
clientEndAddrTruncated,
clientEndAddr - clientEndAddrTruncated,
stateMask,
stateMask,
KMemoryPermission.ReadAndWrite,
attributeMask,
MemoryAttribute.None,
serverEndAddrTruncated);
if (result != KernelResult.Success)
{
return result;
}
}
}
return KernelResult.Success;
}
static void Main()
{
Application.SetCompatibleTextRenderingDefault(false);
Application.SetHighDpiMode(HighDpiMode.SystemAware);
Application.EnableVisualStyles();
var texturePathA = Path.Combine(Path.GetDirectoryName(AppContext.BaseDirectory), "a.png");
var texturePathB = Path.Combine(Path.GetDirectoryName(AppContext.BaseDirectory), "b.png");
var textureDataA = File.ReadAllBytes(texturePathA);
var textureDataB = File.ReadAllBytes(texturePathB);
var vertexShader = File.ReadAllBytes(Path.Combine(Path.GetDirectoryName(AppContext.BaseDirectory), "VertexShader.cso"));
var pixelShader = File.ReadAllBytes(Path.Combine(Path.GetDirectoryName(AppContext.BaseDirectory), "PixelShader.cso"));
using var form = new Form();
using var scene = new Scene3D();
#if DEBUG
scene.EnableDebug();
#endif
scene.Initialize(form.Handle, 0.0f, 0.0f, form.Size.Width, form.Size.Height);
float w = 1600;
float h = 450;
var indices = new ushort[6] {
0, 1, 2, 0, 2, 3
};
var vertices = new Vertex[4]
{
new Vertex()
{
Position = new Vector3F32(),
Normal = new Vector3F32 {
Z = 1.0f
},
TexCoord = new Vector2F32 {
X = 0.0f, Y = 1.0f
}
},
new Vertex()
{
Position = new Vector3F32 {
X = w
},
Normal = new Vector3F32 {
Z = 1.0f
},
TexCoord = new Vector2F32 {
X = 2.0f, Y = 1.0f
}
},
new Vertex()
{
Position = new Vector3F32 {
X = w, Y = h
},
Normal = new Vector3F32 {
Z = 1.0f
},
TexCoord = new Vector2F32 {
X = 2.0f, Y = 0.0f
}
},
new Vertex()
{
Position = new Vector3F32 {
Y = h
},
Normal = new Vector3F32 {
Z = 1.0f
},
TexCoord = new Vector2F32()
}
};
var textureMatrixX = stackalloc float[9];
var textureMatrixY = stackalloc float[12];
var color = stackalloc float[4] {
0.0f,
0.0f,
0.0f,
0.0f,
};
textureMatrixX[0] = textureMatrixX[4] = textureMatrixX[8] = 1.0f;
textureMatrixY[0] = textureMatrixY[5] = textureMatrixY[10] = 1.0f;
var inputs = new List <InputElement>()
{
new InputElement()
{
SemanticName = "POS",
SemanticIndex = 0,
Format = Format.R32G32B32Float,
InputSolt = 0,
AlignedByteOffset = InputElement.AppendAlignedElement,
InputSlotClass = InputClassification.PerVertexData,
InstanceDataStepRate = 0
},
new InputElement()
{
SemanticName = "NORMAL",
SemanticIndex = 0,
Format = Format.R32G32B32Float,
InputSolt = 0,
AlignedByteOffset = InputElement.AppendAlignedElement,
InputSlotClass = InputClassification.PerVertexData,
InstanceDataStepRate = 0
},
new InputElement()
{
SemanticName = "TEXCOORD",
SemanticIndex = 0,
Format = Format.R32G32Float,
InputSolt = 0,
AlignedByteOffset = InputElement.AppendAlignedElement,
InputSlotClass = InputClassification.PerVertexData,
InstanceDataStepRate = 0
},
new InputElement()
{
SemanticName = "TEXMATRIX",
SemanticIndex = 0,
Format = Format.R32G32B32Float,
InputSolt = 1,
AlignedByteOffset = InputElement.AppendAlignedElement,
InputSlotClass = InputClassification.PerInstanceData,
InstanceDataStepRate = 0
},
new InputElement()
{
SemanticName = "TEXMATRIX",
SemanticIndex = 1,
Format = Format.R32G32B32Float,
InputSolt = 1,
AlignedByteOffset = InputElement.AppendAlignedElement,
InputSlotClass = InputClassification.PerInstanceData,
InstanceDataStepRate = 0
},
new InputElement()
{
SemanticName = "TEXMATRIX",
SemanticIndex = 2,
Format = Format.R32G32B32Float,
InputSolt = 1,
AlignedByteOffset = InputElement.AppendAlignedElement,
InputSlotClass = InputClassification.PerInstanceData,
InstanceDataStepRate = 0
}
};
using var index = new MemoryIndex <ushort>(scene, indices);
using var attribute1 = new MemoryAttribute <Vertex>(scene, vertices, (uint) sizeof(Vertex));
using var attribute2 = new DX.Sharp.Attribute(scene, textureMatrixX, 4, 9, 36);
using var constant = new Constant(scene, textureMatrixY, 4, 12);
using var constant2 = new Constant(scene, color, 4, 4);
using var textureHeap1 = new DescriptorHeap(scene.Device, 2);
using var textureHeap2 = new DescriptorHeap(scene.Device, 2);
using var samplerHeap = new DescriptorHeap(scene.Device, DescriptorHeapType.Sampler, DescriptorHeapFlags.ShaderVisible, 1);
using var effect = new Effect3D(inputs, new Constant[] { constant2 }, 1, 2, 1);
using var loader = new TextureLoader(scene.Device, scene.CommandQueue);
effect.Initialize(scene, vertexShader, pixelShader, ref BlendDescription.Opaque, ref DepthStencilDescription.Default, ref RasteriazerDescription.Default, Format.B8G8R8A8UNorm, Format.D32Float);
var textures = new List <Resource>()
{
new Resource(),
new Resource()
};
scene.Device.CreateSampler(ref SamplerDescrption.LinearWrap, samplerHeap.GetCpuHandle(0));
loader.Begin();
loader.CreateTexture(textureDataA, textures[0]);
loader.CreateShaderResourceView(textures[0], textureHeap1.GetCpuHandle(0));
loader.CreateShaderResourceView(textures[0], textureHeap2.GetCpuHandle(1));
loader.CreateTexture(textureDataB, textures[1]);
loader.CreateShaderResourceView(textures[1], textureHeap1.GetCpuHandle(1));
loader.CreateShaderResourceView(textures[1], textureHeap2.GetCpuHandle(0));
loader.End();
using var obj1 = new Object3D(new List <DX.Sharp.Attribute> { attribute1, attribute2 }, index, new List <Constant> { constant }, effect, textureHeap1, samplerHeap);
using var obj2 = new Object3D(new List <DX.Sharp.Attribute> { attribute1, attribute2 }, index, new List <Constant> { constant }, effect, textureHeap2, samplerHeap);
obj1.Initialize(scene);
obj2.Initialize(scene);
scene.SetRenderList(new List <Object3D> {
obj1, obj2
});
using var transform = new XMMatrix();
var minimized = false;
scene.SetInactiveTargetUpdateTimeout(true, 1.0 / 30);
form.Resize += (sender, e) =>
{
if (form.WindowState == FormWindowState.Minimized)
{
scene.OnSuspending();
minimized = true;
}
else if (minimized)
{
scene.OnResuming();
minimized = false;
}
scene.OnWindowSizeChanged(0.0f, 0.0f, form.Size.Width, form.Size.Height);
scene.Tick();
};
form.Activated += (sender, e) =>
{
scene.OnActivated();
};
form.Deactivate += (sender, e) =>
{
scene.OnDeactivated();
};
uint count = 0;
float scale = 1;
float step = 0.01f;
float angle = 0;
float angleStep = 1;
var random = new Random();
var viewMatrix = new XMMatrix();
scene.OnUpdate += (scene, second, frame) =>
{
if (frame > 1)
{
scale += step;
angle += angleStep;
count++;
}
if (angle > 360)
{
angle -= 360;
}
if (scale > 1.0f || scale < 0.1)
{
step = -step;
}
textureMatrixX[0] = scale;
textureMatrixY[5] = scale;
if (count == 10)
{
count = 0;
color[0] = (float)random.NextDouble();
color[1] = (float)random.NextDouble();
color[2] = (float)random.NextDouble();
color[3] = (float)random.NextDouble();
}
attribute2.Update(textureMatrixX);
constant.Update(textureMatrixY);
constant2.Update(color);
Transform(transform, scene.Viewport, angle, scale, w, h);
obj1.UpdateModelView(transform, viewMatrix);
Transform(transform, scene.Viewport, angle * 2, scale, w, h);
obj2.UpdateModelView(transform, viewMatrix);
};
RenderLoop.Run(form, scene.Tick);
}
public void InsertBlock(
ulong baseAddress,
ulong pagesCount,
MemoryState oldState,
KMemoryPermission oldPermission,
MemoryAttribute oldAttribute,
MemoryState newState,
KMemoryPermission newPermission,
MemoryAttribute newAttribute)
{
// Insert new block on the list only on areas where the state
// of the block matches the state specified on the old* state
// arguments, otherwise leave it as is.
int oldCount = _blocks.Count;
oldAttribute |= MemoryAttribute.IpcAndDeviceMapped;
ulong endAddr = baseAddress + pagesCount * PageSize;
LinkedListNode <KMemoryBlock> node = _blocks.First;
while (node != null)
{
LinkedListNode <KMemoryBlock> newNode = node;
KMemoryBlock currBlock = node.Value;
ulong currBaseAddr = currBlock.BaseAddress;
ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr;
if (baseAddress < currEndAddr && currBaseAddr < endAddr)
{
MemoryAttribute currBlockAttr = currBlock.Attribute | MemoryAttribute.IpcAndDeviceMapped;
if (currBlock.State != oldState ||
currBlock.Permission != oldPermission ||
currBlockAttr != oldAttribute)
{
node = node.Next;
continue;
}
if (baseAddress > currBaseAddr)
{
_blocks.AddBefore(node, currBlock.SplitRightAtAddress(baseAddress));
}
if (endAddr < currEndAddr)
{
newNode = _blocks.AddBefore(node, currBlock.SplitRightAtAddress(endAddr));
}
newNode.Value.SetState(newPermission, newState, newAttribute);
newNode = MergeEqualStateNeighbors(newNode);
}
if (currEndAddr - 1 >= endAddr - 1)
{
break;
}
node = newNode.Next;
}
_slabManager.Count += _blocks.Count - oldCount;
ValidateInternalState();
}
private void InsertBlock(
long BasePosition,
long PagesCount,
MemoryState State,
MemoryPermission Permission = MemoryPermission.None,
MemoryAttribute Attribute = MemoryAttribute.None)
{
//Inserts new block at the list, replacing and spliting
//existing blocks as needed.
KMemoryBlock Block = new KMemoryBlock(BasePosition, PagesCount, State, Permission, Attribute);
ulong Start = (ulong)BasePosition;
ulong End = (ulong)PagesCount * PageSize + Start;
LinkedListNode <KMemoryBlock> NewNode = null;
LinkedListNode <KMemoryBlock> Node = Blocks.First;
while (Node != null)
{
KMemoryBlock CurrBlock = Node.Value;
LinkedListNode <KMemoryBlock> NextNode = Node.Next;
ulong CurrStart = (ulong)CurrBlock.BasePosition;
ulong CurrEnd = (ulong)CurrBlock.PagesCount * PageSize + CurrStart;
if (Start < CurrEnd && CurrStart < End)
{
if (Start >= CurrStart && End <= CurrEnd)
{
Block.Attribute |= CurrBlock.Attribute & MemoryAttribute.IpcAndDeviceMapped;
}
if (Start > CurrStart && End < CurrEnd)
{
CurrBlock.PagesCount = (long)((Start - CurrStart) / PageSize);
long NextPagesCount = (long)((CurrEnd - End) / PageSize);
NewNode = Blocks.AddAfter(Node, Block);
Blocks.AddAfter(NewNode, new KMemoryBlock(
(long)End,
NextPagesCount,
CurrBlock.State,
CurrBlock.Permission,
CurrBlock.Attribute));
break;
}
else if (Start <= CurrStart && End < CurrEnd)
{
CurrBlock.BasePosition = (long)End;
CurrBlock.PagesCount = (long)((CurrEnd - End) / PageSize);
if (NewNode == null)
{
NewNode = Blocks.AddBefore(Node, Block);
}
}
else if (Start > CurrStart && End >= CurrEnd)
{
CurrBlock.PagesCount = (long)((Start - CurrStart) / PageSize);
if (NewNode == null)
{
NewNode = Blocks.AddAfter(Node, Block);
}
}
else
{
if (NewNode == null)
{
NewNode = Blocks.AddBefore(Node, Block);
}
Blocks.Remove(Node);
}
}
Node = NextNode;
}
if (NewNode == null)
{
NewNode = Blocks.AddFirst(Block);
}
MergeEqualStateNeighbours(NewNode);
}
public void InsertBlock(
ulong baseAddress,
ulong pagesCount,
MemoryState oldState,
KMemoryPermission oldPermission,
MemoryAttribute oldAttribute,
MemoryState newState,
KMemoryPermission newPermission,
MemoryAttribute newAttribute)
{
// Insert new block on the list only on areas where the state
// of the block matches the state specified on the old* state
// arguments, otherwise leave it as is.
int oldCount = _blockTree.Count;
oldAttribute |= MemoryAttribute.IpcAndDeviceMapped;
ulong endAddr = baseAddress + pagesCount * PageSize;
KMemoryBlock currBlock = FindBlock(baseAddress);
while (currBlock != null)
{
ulong currBaseAddr = currBlock.BaseAddress;
ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr;
if (baseAddress < currEndAddr && currBaseAddr < endAddr)
{
MemoryAttribute currBlockAttr = currBlock.Attribute | MemoryAttribute.IpcAndDeviceMapped;
if (currBlock.State != oldState ||
currBlock.Permission != oldPermission ||
currBlockAttr != oldAttribute)
{
currBlock = currBlock.Successor;
continue;
}
if (baseAddress > currBaseAddr)
{
KMemoryBlock newBlock = currBlock.SplitRightAtAddress(baseAddress);
_blockTree.Add(newBlock);
}
if (endAddr < currEndAddr)
{
KMemoryBlock newBlock = currBlock.SplitRightAtAddress(endAddr);
_blockTree.Add(newBlock);
currBlock = newBlock;
}
currBlock.SetState(newPermission, newState, newAttribute);
currBlock = MergeEqualStateNeighbors(currBlock);
}
if (currEndAddr - 1 >= endAddr - 1)
{
break;
}
currBlock = currBlock.Successor;
}
_slabManager.Count += _blockTree.Count - oldCount;
ValidateInternalState();
}
private void InsertBlock(
long BasePosition,
long PagesCount,
MemoryState OldState,
MemoryPermission OldPermission,
MemoryAttribute OldAttribute,
MemoryState NewState,
MemoryPermission NewPermission,
MemoryAttribute NewAttribute)
{
//Insert new block on the list only on areas where the state
//of the block matches the state specified on the Old* state
//arguments, otherwise leave it as is.
OldAttribute |= MemoryAttribute.IpcAndDeviceMapped;
ulong Start = (ulong)BasePosition;
ulong End = (ulong)PagesCount * PageSize + Start;
LinkedListNode <KMemoryBlock> Node = Blocks.First;
while (Node != null)
{
LinkedListNode <KMemoryBlock> NewNode = Node;
LinkedListNode <KMemoryBlock> NextNode = Node.Next;
KMemoryBlock CurrBlock = Node.Value;
ulong CurrStart = (ulong)CurrBlock.BasePosition;
ulong CurrEnd = (ulong)CurrBlock.PagesCount * PageSize + CurrStart;
if (Start < CurrEnd && CurrStart < End)
{
MemoryAttribute CurrBlockAttr = CurrBlock.Attribute | MemoryAttribute.IpcAndDeviceMapped;
if (CurrBlock.State != OldState ||
CurrBlock.Permission != OldPermission ||
CurrBlockAttr != OldAttribute)
{
Node = NextNode;
continue;
}
if (CurrStart >= Start && CurrEnd <= End)
{
CurrBlock.State = NewState;
CurrBlock.Permission = NewPermission;
CurrBlock.Attribute &= ~MemoryAttribute.IpcAndDeviceMapped;
CurrBlock.Attribute |= NewAttribute;
}
else if (CurrStart >= Start)
{
CurrBlock.BasePosition = (long)End;
CurrBlock.PagesCount = (long)((CurrEnd - End) / PageSize);
long NewPagesCount = (long)((End - CurrStart) / PageSize);
NewNode = Blocks.AddBefore(Node, new KMemoryBlock(
(long)CurrStart,
NewPagesCount,
NewState,
NewPermission,
NewAttribute));
}
else if (CurrEnd <= End)
{
CurrBlock.PagesCount = (long)((Start - CurrStart) / PageSize);
long NewPagesCount = (long)((CurrEnd - Start) / PageSize);
NewNode = Blocks.AddAfter(Node, new KMemoryBlock(
BasePosition,
NewPagesCount,
NewState,
NewPermission,
NewAttribute));
}
else
{
CurrBlock.PagesCount = (long)((Start - CurrStart) / PageSize);
long NextPagesCount = (long)((CurrEnd - End) / PageSize);
NewNode = Blocks.AddAfter(Node, new KMemoryBlock(
BasePosition,
PagesCount,
NewState,
NewPermission,
NewAttribute));
Blocks.AddAfter(NewNode, new KMemoryBlock(
(long)End,
NextPagesCount,
CurrBlock.State,
CurrBlock.Permission,
CurrBlock.Attribute));
NextNode = null;
}
MergeEqualStateNeighbours(NewNode);
}
Node = NextNode;
}
}