You copied the Doc URL to your clipboard.

JIDR, Jazelle ID Register

The JIDR characteristics are:

Purpose

A Jazelle register, which identified the Jazelle architecture version.

Configuration

Attributes

JIDR is a 32-bit register.

Field descriptions

The JIDR bit assignments are:

313029282726252423222120191817161514131211109876543210
RAZ

Bits [31:0]

Reserved, RAZ.

Accessing the JIDR

Accesses to this register use the following encodings:

MRC{<c>}{<q>} <coproc>, {#}<opc1>, <Rt>, <CRn>, <CRm>{, {#}<opc2>}

coprocopc1CRnCRmopc2
0b11100b1110b00000b00000b000
if PSTATE.EL == EL0 then
    if boolean IMPLEMENTATION_DEFINED "JIDR UNDEFINED at EL0" then
        UNDEFINED;
    elsif EL2Enabled() && !ELUsingAArch32(EL2) && HCR_EL2.<E2H,TGE> != '11' && HCR_EL2.TID0 == '1' then
        AArch64.AArch32SystemAccessTrap(EL2, 0x05);
    elsif EL2Enabled() && ELUsingAArch32(EL2) && HCR.TID0 == '1' then
        AArch32.TakeHypTrapException(0x05);
    else
        return JIDR;
elsif PSTATE.EL == EL1 then
    if EL2Enabled() && !ELUsingAArch32(EL2) && HCR_EL2.TID0 == '1' then
        AArch64.AArch32SystemAccessTrap(EL2, 0x05);
    elsif EL2Enabled() && ELUsingAArch32(EL2) && HCR.TID0 == '1' then
        AArch32.TakeHypTrapException(0x05);
    else
        return JIDR;
elsif PSTATE.EL == EL2 then
    return JIDR;
elsif PSTATE.EL == EL3 then
    return JIDR;
              


Was this page helpful? Yes No