HSV.B

Hypervisor Store Byte

HSV.B rs2, (rs1)

Stores a byte to Guest Physical Memory.

Encoding

Binary Layout

0110001

31:25

rs2

24:20

rs1

19:15

100000001110011

14:0

 

Format R-Type (System)

Opcode 0x62004073

Extension H

Operands

• rs2
  Source
• rs1
  Guest Address

Example

HSV.B x10, (x11)

// Write byte to guest memory.

Related

More in H

Reference

View in RISC-V Unprivileged ISA Specification ↗ RISC-V ISA Manual

Description

HSV.B stores the least-significant byte of rs2 to the VS-mode virtual address in rs1.

Operation

GuestMem[R[rs1]][7:0] = R[rs2][7:0];