Nintendo Switch Brew

Changes

Kernel (view source)

Revision as of 00:41, 6 March 2024

2,723 bytes added ,  00:41, 6 March 2024
m
Hexkyz moved page Kernel objects to Kernel: Use this page for general kernel documentation
Line 1: Line 1:  
= KAutoObject =
 
= KAutoObject =
 
Size: 0x10
 
Size: 0x10
 +
 
[5.0.0] Size: 0x20
 
[5.0.0] Size: 0x20
 +
 +
[6.0.0] Size: 0x30
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
Line 13: Line 16:     
[5.0.0]:
 
[5.0.0]:
 +
{| class="wikitable" border="1"
 +
|-
 +
! Offset || Type || Description
 +
|-
 +
| 0 || * || Vtable
 +
|-
 +
| 8 || u32 || ReferenceCount
 +
|-
 +
| 0x10 || KLinkedListNode || Intrusive list, links to other instances of the same class (managed by a KObjectAllocator).
 +
|}
   −
 
+
[6.0.0]:
 
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
 
|-
 
|-
Line 23: Line 36:  
| 8 || u32 || ReferenceCount
 
| 8 || u32 || ReferenceCount
 
|-
 
|-
−
| 0x10 || KLinkedListNode || Intrusive list, links to other instances of the same class (managed by a KObjectAllocator).
+
| 0x10 || [[#KRedBlackTreeNode]] || Intrusive red-black tree node, replaces the Intrusive list node from previous versions.
 
|}
 
|}
    
= KSynchronizationObject =
 
= KSynchronizationObject =
 
Size: 0x28
 
Size: 0x28
 +
 +
[5.0.0] Size: 0x38
 +
 +
[6.0.0] Size: 0x48
    
Inherits from: [[#KAutoObject]]
 
Inherits from: [[#KAutoObject]]
Line 130: Line 147:  
|}
 
|}
   −
= KThread =
+
= KRedBlackTreeNode =
−
[1.0.0] Size: 0x620
+
Size: 0x20
−
[5.0.0]? Size: 0x6C0
     −
Inherits from: [[#KSynchronizationObject]], [[#KSchedulerObject0]], [[#KSchedulerObject1]], [[#KSchedulerObject2]]
+
Note: This is BSD sys/tree.h's RB_ENTRY(...).
   −
<div style="display: inline-block">
   
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
 
|-
 
|-
−
! 1.0.0 Offset || Type || Description
+
! Offset || Type || Description
 
|-
 
|-
−
| 0 || [[#KSynchronizationObject]] || Inheritance
+
| 0 || KRedBlackTreeNode* || Left Child
 
|-
 
|-
−
| 0x28 || KSchedulerObject0 || Inheritance
+
| 8 || KRedBlackTreeNode* || Right Child
 
|-
 
|-
−
| 0x48 || KSchedulerObject1 || Inheritance
+
| 0x10 || KRedBlackTreeNode* || Parent
 +
|-
 +
| 0x18 || int || Color
 +
|}
 +
 
 +
= KRedBlackTree =
 +
Size: 0x8
 +
 
 +
Note: This is BSD sys/tree.h's RB_HEAD(..., KRedBlackTreeNode);
 +
 
 +
{| class="wikitable" border="1"
 +
|-
 +
! Offset || Type || Description
 +
|-
 +
| 0 || KRedBlackTreeNode* || Root
 +
|-
 +
|}
 +
 
 +
= KThread =
 +
[1.0.0] Size: 0x620
 +
[5.0.0]? Size: 0x6C0
 +
 
 +
Inherits from: [[#KSynchronizationObject]], [[#KSchedulerObject0]], [[#KSchedulerObject1]], [[#KSchedulerObject2]]
 +
 
 +
<div style="display: inline-block">
 +
{| class="wikitable" border="1"
 +
|-
 +
! 1.0.0 Offset || Type || Description
 +
|-
 +
| 0 || [[#KSynchronizationObject]] || Inheritance
 +
|-
 +
| 0x28 || KSchedulerObject0 || Inheritance
 +
|-
 +
| 0x48 || KSchedulerObject1 || Inheritance
 
|-
 
|-
 
| 0x58 || KSchedulerObject2 || Inheritance
 
| 0x58 || KSchedulerObject2 || Inheritance
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| 0x5A8 || KLinkedListNode || NodeFor__ThreadsOnSameCore
 
| 0x5A8 || KLinkedListNode || NodeFor__ThreadsOnSameCore
 
|-
 
|-
−
| 0x5B8 || u64 ||
+
| 0x5B8 || [[#KThread]]* ||
 
|-
 
|-
 
| 0x5C0 || [[#KThread]]* || CondVar_SelfPtr
 
| 0x5C0 || [[#KThread]]* || CondVar_SelfPtr
Line 554: Line 602:     
[2.0.0] Size: 8
 
[2.0.0] Size: 8
 +
 +
[5.0.0] Size: 0x10
    
<div style="display: inline-block">
 
<div style="display: inline-block">
Line 578: Line 628:  
|-
 
|-
 
| 4 || u32 || ObjectCompressedPtr
 
| 4 || u32 || ObjectCompressedPtr
 +
|}
 +
</div>
 +
 +
<div style="display: inline-block; vertical-align:top;">
 +
{| class="wikitable" border="1"
 +
|-
 +
! 5.0.0 Offset || Type || Description
 +
|-
 +
| 0 || u16 || HandleId
 +
|-
 +
| 2 || u16 || ObjectType
 +
|-
 +
| 8 || [[#KAutoObject]]* || object
 
|}
 
|}
 
</div>
 
</div>
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= KPort =
 
= KPort =
−
Size: 0xA8
+
[1.0.0] Size: 0xA8
 +
 
 +
[7.0.0] Size: 0x110
    
Inherits from: [[#KAutoObject]]
 
Inherits from: [[#KAutoObject]]
    +
 +
<div style="display: inline-block;">
 
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
 
|-
 
|-
−
! Offset
+
! 1.0.0 Offset
 
! Type
 
! Type
 
! Description
 
! Description
Line 1,027: Line 1,094:  
| 0xA1 || bool || IsLight
 
| 0xA1 || bool || IsLight
 
|}
 
|}
 +
</div>
   −
== KServerPort ==
+
<div style="display: inline-block; vertical-align:top;">
−
Size: 0x50
  −
 
  −
Inherits from: [[#KSynchronizationObject]]
  −
 
   
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
 
|-
 
|-
−
! Offset
+
! 7.0.0 Offset
 
! Type
 
! Type
 
! Description
 
! Description
 
|-
 
|-
−
| 0 || [[#KSynchronizationObject]] || Inheritance
+
| 0 || [[#KAutoObject]] || Inheritance
 
|-
 
|-
−
| 0x28 || [[#KLinkedListNode]] || IncomingConnections
+
| 0x30 || [[#KServerPort]] || ServerSide
 +
|-
 +
| 0xA0 || [[#KClientPort]] || ClientSide
 +
|-
 +
| 0xF8 || u64 ||
 +
|-
 +
| 0x100 || char* || NamePtr
 +
|-
 +
| 0x108 || bool || HasInited
 +
|-
 +
| 0x109 || bool || IsLight
 +
|}
 +
</div>
 +
 
 +
== KServerPort ==
 +
Size: 0x50
 +
 
 +
Inherits from: [[#KSynchronizationObject]]
 +
 
 +
{| class="wikitable" border="1"
 +
|-
 +
! Offset
 +
! Type
 +
! Description
 +
|-
 +
| 0 || [[#KSynchronizationObject]] || Inheritance
 +
|-
 +
| 0x28 || [[#KLinkedListNode]] || IncomingConnections
 
|-
 
|-
 
| 0x38 || [[#KLinkedListNode]] || IncomingLightConnections
 
| 0x38 || [[#KLinkedListNode]] || IncomingLightConnections
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| 0x50 || [[#KSessionRequest]]* || ActiveRequest
 
| 0x50 || [[#KSessionRequest]]* || ActiveRequest
 
|-
 
|-
−
| 0x58 || ||
+
| 0x58 || [[#KMutex]] || lock
 
|}
 
|}
    
=== KSessionRequest ===
 
=== KSessionRequest ===
 
Size: 0x158
 
Size: 0x158
 +
 +
Inherits from: [[#KAutoObject]]
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
Line 1,117: Line 1,210:  
! Offset || Type || Description
 
! Offset || Type || Description
 
|-
 
|-
−
| 0 || * || Vtable
+
| 0 || [[#KAutoObject]] || Inheritance
 
|-
 
|-
 
| 0x10 || KLinkedListNode ||  NodeFor__RequestList
 
| 0x10 || KLinkedListNode ||  NodeFor__RequestList
Line 1,660: Line 1,753:  
! Offset || Type || Description
 
! Offset || Type || Description
 
|-
 
|-
−
| 0 || [[#KIrqReciever*]] || Receiver
+
| 0 || [[#KInterruptReceiver]]* || Receiver
 
|-
 
|-
 
| 8 || u8 || State0
 
| 8 || u8 || State0
Line 1,705: Line 1,798:  
|-
 
|-
 
| 0x20 || ... || ...
 
| 0x20 || ... || ...
 +
|}
 +
 +
= KManagedPort =
 +
Size: 0x28
 +
 +
{| class="wikitable" border="1"
 +
|-
 +
! Offset || Type || Description
 +
|-
 +
| 0 || [[#KLinkedListNode]]<[[#KManagedPort]] *> || NodeFor__ManagedPortList
 +
|-
 +
| 0x10 || char[12] || PortName
 +
|-
 +
| 0x20 || [[#KClientPort]]* || ClientPort
 +
|}
 +
 +
= Slab Information =
 +
 +
The Horizon/NX kernel keeps all objects in slab allocators, that can allocate a fixed amount of each. Attempting to allocate an object when the slab heap is full will result in an error 0xCE01 (Resource Exhaustion).
 +
 +
{| class="wikitable" border="1"
 +
|-
 +
! Object || Slab Count
 +
|-
 +
| KEvent || 600
 +
|-
 +
| KInterruptEvent || 100
 +
|-
 +
| KProcess || 80
 +
|-
 +
| KThread || 700
 +
|-
 +
| KPort || 200
 +
|-
 +
| KSharedMemory || 80
 +
|-
 +
| KTransferMemory || 200
 +
|-
 +
| KDeviceAddressSpace || 300
 +
|-
 +
| KDebug || 4
 +
|-
 +
| KSession || 800
 +
|-
 +
| KLightSession || 100
 +
|-
 +
| KLinkedListEntry<void*> || 17 231
 +
|-
 +
| KLinkedListNode || 4 000
 +
|-
 +
| KMemoryBlock (System) || 20 000
 +
|-
 +
| KMemoryBlock (Other) || 10 000
 +
|-
 +
| KTlsPageManager || 167
 +
|-
 +
| KManagedPort || 7
 +
|-
 +
| KDebugEvent || 704
 +
|-
 +
| KSessionRequest || 1 600
 +
|-
 +
| KResourceLimit || 5
 
|}
 
|}
Retrieved from "https://switchbrew.org/wiki/Special:MobileDiff/5047...12654"