hlvx.hu

Hypervisor load halfword unsigned, executable

Load 16 bits of data into register xd from guest physical memory at the address in xs1, as though V=1, with execute permission check instead of read permission. Zero-extend the result to XLEN bits. This instruction is used to fetch instructions from guest memory for emulation purposes.

Assembly format

hlvx.hu xd, xs1

Decode Variables

Bits<5> xs1 = $encoding[19:15];
Bits<5> xd = $encoding[11:7];

Execution

Encoding

svg

Defining extension

H

Access

M

Always

Containing profiles

  • Mandatory: RVA20S64, RVA20U64, RVA22S64, RVA22U64, RVA23S64, RVA23U64, RVB23S64, RVB23U64

  • Optional: None