Class CPU

CPU class. Non hardware class, only used by core and hardware drivers for ports etc.

Inheritance

System.Object

CPU

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Cosmos.Core

Assembly: Cosmos.Core.dll

Syntax

public static class CPU

Fields

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mInterruptsEnabled

Check if interrupts enabled.

Declaration

public static bool mInterruptsEnabled

Field Value

Type	Description
System.Boolean

Methods

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CanReadCPUID()

Check if can read CPU ID. Plugged.

Declaration

public static int CanReadCPUID()

Returns

Type	Description
System.Int32	non-zero if can read.

Exceptions

Type	Condition
System.NotImplementedException	Thrown on fatal error, contact support.

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DisableInterrupts()

Returns if the interrupts were actually enabled.

Declaration

public static bool DisableInterrupts()

Returns

Type	Description
System.Boolean	bool value.

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EnableInterrupts()

Enable interrupts.

Declaration

public static void EnableInterrupts()

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EstimateCPUSpeedFromName(String)

This is only public for testing purposes

Declaration

public static long EstimateCPUSpeedFromName(string s)

Parameters

Type	Name	Description
System.String	s

Returns

Type	Description
System.Int64

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GetAmountOfRAM()

Get amount of RAM in MBs.

Declaration

public static uint GetAmountOfRAM()

Returns

Type	Description
System.UInt32

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GetCPUBrandString()

Get CPU branding name.

Declaration

public static string GetCPUBrandString()

Returns

Type	Description
System.String	CPU's full name

Exceptions

Type	Condition
System.NotImplementedException	Thrown on fatal error, contact support.
System.NotSupportedException	Thrown if can not read CPU ID.

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GetCPUCycleSpeed()

Get CPU cycle speed.

Declaration

public static long GetCPUCycleSpeed()

Returns

Type	Description
System.Int64	long value.

Exceptions

Type	Condition
System.NotImplementedException	Thrown on fatal error, contact support.
System.NotSupportedException	Thrown if can not read CPU ID.

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GetCPUUptime()

Get CPU up time.

Declaration

public static ulong GetCPUUptime()

Returns

Type	Description
System.UInt64	ulong value.

Exceptions

Type	Condition
System.NotImplementedException	Thrown on fatal error, contact support.

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GetCPUVendorName()

Get CPU vendor name.

Declaration

public static string GetCPUVendorName()

Returns

Type	Description
System.String	string value.

Exceptions

Type	Condition
System.NotImplementedException	Thrown on fatal error, contact support.
System.NotSupportedException	Thrown if can not read CPU vendor name.

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GetEBPValue()

Get position of current EBP register

Declaration

public static uint GetEBPValue()

Returns

Type	Description
System.UInt32

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GetEndOfKernel()

Get end of the kernel. Plugged.

Declaration

public static uint GetEndOfKernel()

Returns

Type	Description
System.UInt32

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GetLargestMemoryBlock()

Returns a pointer size of largest continuous block of free ram DOES NOT ALLOCATE ANYTHING so it can be used before Memory Management is initalised

Declaration

public static RawMemoryMapBlock*GetLargestMemoryBlock()

Returns

Type	Description
RawMemoryMapBlock*	The size of the largest block in bytes

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GetMemoryMap()

Get the Memory Map Information from Multiboot

Declaration

public static MemoryMapBlock[] GetMemoryMap()

Returns

Type	Description
MemoryMapBlock[]	Returns an array of MemoryMaps containing the Multiboot Memory Map information. The array may have empty values at the end.

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GetStackStart()

Get the address at which the stack starts

Declaration

public static uint GetStackStart()

Returns

Type	Description
System.UInt32

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Halt()

Halt the CPU. Plugged.

Declaration

public static void Halt()

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InitFloat()

Init float. Plugged.

Declaration

public static void InitFloat()

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InitSSE()

Init SSE. Plugged.

Declaration

public static void InitSSE()

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ReadCPUID(UInt32, ref Int32, ref Int32, ref Int32, ref Int32)

Read CPU ID. Plugged.

Declaration

public static void ReadCPUID(uint type, ref int eax, ref int ebx, ref int ecx, ref int edx)

Parameters

Type	Name	Description
System.UInt32	type	type.
System.Int32	eax	eax.
System.Int32	ebx	ebx.
System.Int32	ecx	ecx.
System.Int32	edx	edx.

Exceptions

Type	Condition
System.NotImplementedException	Thrown on fatal error, contact support.

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Reboot()

Reboot the CPU.

Declaration

public static void Reboot()

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UpdateIDT(Boolean)

Update IDT. Plugged.

Declaration

public static void UpdateIDT(bool aEnableInterruptsImmediately)

Parameters

Type	Name	Description
System.Boolean	aEnableInterruptsImmediately

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ZeroFill(UInt32, UInt32)

Zero fill. Plugged.

Declaration

public static void ZeroFill(uint aStartAddress, uint aLength)

Parameters

Type	Name	Description
System.UInt32	aStartAddress
System.UInt32	aLength