DBGDEVID2, Debug Device ID register 2

The DBGDEVID2 characteristics are:

Purpose

Reserved for future descriptions of features of the debug implementation.

Configuration

Attributes

DBGDEVID2 is a 32-bit register.

Field descriptions

The DBGDEVID2 bit assignments are:

313029282726252423222120191817161514131211109876543210
RES0

Bits [31:0]

Reserved, RES0.

Accessing the DBGDEVID2

Accesses to this register use the following encodings:

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

coprocopc1CRnCRmopc2
0b11100b0000b01110b00000b111

if PSTATE.EL == EL0 then UNDEFINED; elsif PSTATE.EL == EL1 then if EL2Enabled() && !ELUsingAArch32(EL2) && MDCR_EL2.<TDE,TDA> != '00' then AArch64.AArch32SystemAccessTrap(EL2, 0x05); elsif EL2Enabled() && ELUsingAArch32(EL2) && HDCR.<TDE,TDA> != '00' then AArch32.TakeHypTrapException(0x05); elsif HaveEL(EL3) && !ELUsingAArch32(EL3) && MDCR_EL3.TDA == '1' then AArch64.AArch32SystemAccessTrap(EL3, 0x05); else return DBGDEVID2; elsif PSTATE.EL == EL2 then if HaveEL(EL3) && !ELUsingAArch32(EL3) && MDCR_EL3.TDA == '1' then AArch64.AArch32SystemAccessTrap(EL3, 0x05); else return DBGDEVID2; elsif PSTATE.EL == EL3 then return DBGDEVID2;




27/03/2019 21:59; e5e4db499bf9867a4b93324c4dbac985d3da9376

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