Class CPU

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

Inheritance

System.Object

CPU

Namespace: Cosmos.Core

Assembly: Cosmos.Core.dll

Syntax

public class CPU : object

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.

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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 MB's. Plugged.

Declaration

public static uint GetAmountOfRAM()

Returns

Type	Description
System.UInt32

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GetCPUBrandString()

Get CPU cycle speed.

Declaration

public static string GetCPUBrandString()

Returns

Type	Description
System.String	long value.

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GetCPUCycleSpeed()

Get CPU cycle speed.

Declaration

public static long GetCPUCycleSpeed()

Returns

Type	Description
System.Int64	long value.

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GetCPUUptime()

Get CPU up time.

Declaration

public static ulong GetCPUUptime()

Returns

Type	Description
System.UInt64	ulong value.

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GetCPUVendorName()

Get CPU vendor name.

Declaration

public static string GetCPUVendorName()

Returns

Type	Description
System.String	string value.

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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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GetMemoryMap()

Get the Memory Map Information from Multiboot

Declaration

public static MemoryMap[] GetMemoryMap()

Returns

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

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Halt()

Halt the CPU. Plugged.

Declaration

public void Halt()

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InitFloat()

Init float. Plugged.

Declaration

public void InitFloat()

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InitSSE()

Init SSE. Plugged.

Declaration

public void InitSSE()

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MemoryMapExists()

Checks if Multiboot returned a memory map

Declaration

public static bool MemoryMapExists()

Returns

Type	Description
System.Boolean

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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.

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Reboot()

Reboot the CPU.

Declaration

public void Reboot()

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UpdateIDT(Boolean)

Update IDT. Plugged.

Declaration

public 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