UltraSPARC Architecture 2005 Specification

• UltraSPARC Architecture 2005 Specification (Privileged Edition)
• UltraSPARC Architecture 2005 Specification (Hyperprivileged Edition)

The UltraSPARC Architecture 2005 is a complete specification of the instruction set architecture (ISA) common to Sun Microsystem's 64-bit SPARC implementations (beginning with UltraSPARC T1 in 2005). UltraSPARC Architecture 2005 complies with SPARC V9 Level 1, with many more details, plus includes numerous Sun extensions common to all UltraSPARC processors. Information in this (and the following) documents can help with Operating Systems ports (including Linux).

The Privileged edition of this document (554 pages) describes the full Nonprivileged (application software) and Privileged (operating system software) levels of the architecture. Download it if you are writing application software, writing a code generator, or writing/porting operating system software to run on top of existing Hypervisor firmware (such as on a SunFire T1000 or T2000 system).

The Hyperprivileged edition of this document (678 pages) describes the Nonprivileged, Privileged, and Hyperprivileged (hypervisor/virtual machine firmware) levels of the architecture. Download it if you are writing hyperprivileged firmware ("Hypervisor" code) or designing your own processor based on OpenSPARC.

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