HLV.WU

Hypervisor Load Word Unsigned

HLV.WU rd, (rs1)

Loads a word from guest physical memory (unsigned).

Details

HLV.WU performs a virtual-machine load of an unsigned word using VS-mode translation, zero-extending to 64 bits (RV64 only).

Pseudocode Operation

R[rd] = zext(GuestMem[rs1][31:0]);

Example

HLV.WU t0, a0

Encoding

Binary Layout
0110100
31:25
00000
24:20
rs1
19:15
100
14:12
rd
11:7
1110011
6:0
 
Format R-Type (System)
Opcode 0x73
Extension H

Operands

  • rd
    Destination register (integer)
  • rs1
    Guest Addr