You copied the Doc URL to your clipboard.

ELR_hyp, Exception Link Register (Hyp mode)

The ELR_hyp characteristics are:

Purpose

When taking an exception to Hyp mode, holds the address to return to.

Configuration

AArch32 System register ELR_hyp bits [31:0] are architecturally mapped to AArch64 System register ELR_EL2[31:0] .

On a reset into an Exception level that is using AArch32 ELR_hyp is UNKNOWN.

Attributes

ELR_hyp is a 32-bit register.

Field descriptions

The ELR_hyp bit assignments are:

313029282726252423222120191817161514131211109876543210
Return address

Bits [31:0]

Return address.

This field resets to an architecturally UNKNOWN value.

Accessing the ELR_hyp

ELR_hyp is accessible only at Hyp mode and Monitor mode. For more details, see MRS (banked register) and MSR (banked register).

Accesses to this register use the following encodings:

MRS{<c>}{<q>} <Rd>, ELR_hyp

MRM1
0b10b00b1110

MSR{<c>}{<q>} ELR_hyp, <Rn>

MRM1
0b10b00b1110


Was this page helpful? Yes No