Package mars.mips.hardware

Class MemoryConfigurations

java.lang.Object

mars.mips.hardware.MemoryConfigurations

public class MemoryConfigurations
extends Object

Models the collection of MIPS memory configurations. The default configuration is based on SPIM. Starting with MARS 3.7, the configuration can be changed.

Version:

August 2009

Author:

Pete Sanderson

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DATA_HIGH	Highest data segment address.
static final int	DATA_LOW	Lowest data segment address.
static final int	DYNAMIC_HIGH	Highest heap/stack data address.
static final int	DYNAMIC_LOW	Lowest heap/stack data address.
static final int	EXCEPTION_HANDLER	Exception handler address.
static final int	EXTERN_HIGH	Highest extern data address.
static final int	EXTERN_LOW	Lowest extern data address.
static final int	GLOBAL_POINTER	Initial global pointer ($gp).
static final int	KERNEL_DATA_HIGH	Highest kernel data segment address.
static final int	KERNEL_DATA_LOW	Lowest kernel data segment address.
static final int	KERNEL_TEXT_HIGH	Highest kernel text segment address.
static final int	KERNEL_TEXT_LOW	Lowest kernel text segment address.
static final int	MAPPED_HIGH	Highest mapped address.
static final int	MAPPED_LOW	Lowest mapped address.
static final int	MMIO_HIGH	Highest memory-mapped I/O address.
static final int	MMIO_LOW	Lowest memory-mapped I/O address.
static final int	STACK_POINTER	Initial stack pointer ($sp).
static final int	STATIC_HIGH	Highest static data address.
static final int	STATIC_LOW	Lowest static data address.
static final int	TEXT_HIGH	Highest text segment address.
static final int	TEXT_LOW	Lowest text segment address.
static final int	USER_HIGH	Highest user space address.
static final int	USER_LOW	Lowest user space address.

Constructor Summary

Constructors

Constructor	Description
MemoryConfigurations()

Method Summary

Modifier and Type	Method	Description
static MemoryConfiguration	getConfiguration(String identifier)
static List<MemoryConfiguration>	getConfigurations()
static MemoryConfiguration	getCurrentConfiguration()
static MemoryConfiguration	getDefaultConfiguration()
static boolean	setCurrentConfiguration(MemoryConfiguration configuration)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

MAPPED_LOW

public static final int MAPPED_LOW

Lowest mapped address.

See Also:

• Constant Field Values

MAPPED_HIGH

public static final int MAPPED_HIGH

Highest mapped address.

See Also:

• Constant Field Values

USER_LOW

public static final int USER_LOW

Lowest user space address.

See Also:

• Constant Field Values

USER_HIGH

public static final int USER_HIGH

Highest user space address.

See Also:

• Constant Field Values

TEXT_LOW

public static final int TEXT_LOW

Lowest text segment address.

See Also:

• Constant Field Values

TEXT_HIGH

public static final int TEXT_HIGH

Highest text segment address.

See Also:

• Constant Field Values

DATA_LOW

public static final int DATA_LOW

Lowest data segment address.

See Also:

• Constant Field Values

DATA_HIGH

public static final int DATA_HIGH

Highest data segment address.

See Also:

• Constant Field Values

EXTERN_LOW

public static final int EXTERN_LOW

Lowest extern data address.

See Also:

• Constant Field Values

EXTERN_HIGH

public static final int EXTERN_HIGH

Highest extern data address.

See Also:

• Constant Field Values

STATIC_LOW

public static final int STATIC_LOW

Lowest static data address.

See Also:

• Constant Field Values

STATIC_HIGH

public static final int STATIC_HIGH

Highest static data address.

See Also:

• Constant Field Values

DYNAMIC_LOW

public static final int DYNAMIC_LOW

Lowest heap/stack data address.

See Also:

• Constant Field Values

DYNAMIC_HIGH

public static final int DYNAMIC_HIGH

Highest heap/stack data address.

See Also:

• Constant Field Values

KERNEL_TEXT_LOW

public static final int KERNEL_TEXT_LOW

Lowest kernel text segment address.

See Also:

• Constant Field Values

KERNEL_TEXT_HIGH

public static final int KERNEL_TEXT_HIGH

Highest kernel text segment address.

See Also:

• Constant Field Values

KERNEL_DATA_LOW

public static final int KERNEL_DATA_LOW

Lowest kernel data segment address.

See Also:

• Constant Field Values

KERNEL_DATA_HIGH

public static final int KERNEL_DATA_HIGH

Highest kernel data segment address.

See Also:

• Constant Field Values

MMIO_LOW

public static final int MMIO_LOW

Lowest memory-mapped I/O address.

See Also:

• Constant Field Values

MMIO_HIGH

public static final int MMIO_HIGH

Highest memory-mapped I/O address.

See Also:

• Constant Field Values

EXCEPTION_HANDLER

public static final int EXCEPTION_HANDLER

Exception handler address.

See Also:

• Constant Field Values

GLOBAL_POINTER

public static final int GLOBAL_POINTER

Initial global pointer ($gp).

See Also:

• Constant Field Values

STACK_POINTER

public static final int STACK_POINTER

Initial stack pointer ($sp).

See Also:

• Constant Field Values

Constructor Details

MemoryConfigurations

public MemoryConfigurations()

Method Details

getConfigurations

public static List<MemoryConfiguration> getConfigurations()

getConfiguration

public static MemoryConfiguration getConfiguration(String identifier)

getDefaultConfiguration

public static MemoryConfiguration getDefaultConfiguration()

getCurrentConfiguration

public static MemoryConfiguration getCurrentConfiguration()

setCurrentConfiguration

public static boolean setCurrentConfiguration(MemoryConfiguration configuration)