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The 64-Bit Address Space

The 64-bit mode is an upward extension of 32-bit mode. All MIPS processors from the R4000 on support 64-bit mode. However, this mode was not used in Silicon Graphics software until IRIX 6.0 was released.


Segments of the 64-Bit Address Space
Compatibility of 32-Bit and 64-Bit Spaces
Virtual Address Mapping
User Process Space--xkuseg
Supervisor Mode Space--xksseg
Kernel Virtual Space--xkseg
Cache-Controlled Physical Memory--xkphys

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