URET

User Return

URET

Returns from a user-mode trap handler (requires N extension).

Encoding

Binary Layout

0000000

31:25

00010

24:20

00000

19:15

000

14:12

00000

11:7

1110011

6:0

 

Format R-Type (System)

Opcode 0x00200073

Extension Privileged

Operands

Related

More in Privileged

Reference

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

Description

URET returns from a user-level trap (N extension). It restores PC from uepc and restores interrupt-enable state.

Operation

PC = UEPC; Priv = U; UIE = UPIE;