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10–4 Alpha Architecture Handbook
wrval Write system value The wrval instruction writes a 64-bit per-processor value.
wrvptptr Write virtual page table pointer The wrvptptr instruction writes a pointer to the
virtual page table pointer (vptptr).
wtint Wait for interrupt The wtint instruction requests that, if possible, the PALcode
wait for the first of either of the following conditions before returning: any
interrupt other than a clock tick; or, the first clock tick after a specified number
of clock ticks has been skipped.
Table 10–2 : Privileged Digital UNIX PALcode Instruction Summary (Continued)
Mnemonic Operation and Description