If EL2 is implemented, invalidate all cached copies of translation table entries from TLBs that meet the following requirements:
The invalidation is not required to apply to caching structures that combine stage 1 and stage 2 translation table entries.
The invalidation only applies to the PE that executes this System instruction.
This instruction is present only when EL2 is capable of using AArch32. Otherwise, direct accesses to TLBIIPAS2 are UNDEFINED.
This System instruction is not implemented in architecture versions before Armv8.
TLBIIPAS2 is a 32-bit System instruction.
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| RES0 | IPA[39:12] | ||||||||||||||||||||||||||||||
Reserved, RES0.
Bits[39:12] of the intermediate physical address to match.
If this instruction is executed in a Secure privileged mode other than Monitor mode, then the behavior is CONSTRAINED UNPREDICTABLE, and one of the following behaviors must occur:
Accesses to this instruction use the following encodings in the System instruction encoding space:
MCR{<c>}{<q>} <coproc>, {#}<opc1>, <Rt>, <CRn>, <CRm>{, {#}<opc2>}
| coproc | opc1 | CRn | CRm | opc2 |
|---|---|---|---|---|
| 0b1111 | 0b100 | 0b1000 | 0b0100 | 0b001 |
if PSTATE.EL == EL0 then UNDEFINED; elsif PSTATE.EL == EL1 then if EL2Enabled() && !ELUsingAArch32(EL2) && HSTR_EL2.T8 == '1' then AArch64.AArch32SystemAccessTrap(EL2, 0x03); elsif EL2Enabled() && ELUsingAArch32(EL2) && HSTR.T8 == '1' then AArch32.TakeHypTrapException(0x03); else UNDEFINED; elsif PSTATE.EL == EL2 then AArch32.TLBI_IPAS2(SecurityStateAtEL(EL1), Regime_EL10, VMID[], Shareability_NSH, TLBILevel_Any, TLBI_AllAttr, R[t]); elsif PSTATE.EL == EL3 then if !HaveEL(EL2) then UNDEFINED; elsif SCR.NS == '0' then return; else AArch32.TLBI_IPAS2(SS_NonSecure, Regime_EL10, VMID_NONE, Shareability_NSH, TLBILevel_Any, TLBI_AllAttr, R[t]);