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