TLB Invalidate by VA, Last level
Invalidate all cached copies of translation table entries from TLBs that meet the following requirements:
From the entries that match these requirements, the entries that are invalidated are required for the following translation regime:
The invalidation only applies to the PE that executes this System instruction.
This instruction is present only when FEAT_AA32EL1 is implemented. Otherwise, direct accesses to TLBIMVAL are UNDEFINED.
This System instruction is not implemented in architecture versions before Armv8.
TLBIMVAL is a 32-bit System instruction.
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| VA | RES0 | ASID | |||||||||||||||||||||||||||||
Virtual address to match. Any TLB entries that match the ASID value and VA value will be affected by this System instruction.
Reserved, RES0.
ASID value to match. Any TLB entries that match the ASID value and VA value will be affected by this System instruction.
Global TLB entries that match the VA value will be affected by this System instruction, regardless of the value of the ASID field.
The following pseudocode describes traps which apply to the System instruction. For information about changes to the scope of the invalidation to the instruction under different conditions, see the relevant instruction in the Pseudocode for AArch32 operation.
Accesses to this instruction use the following encodings in the System instruction encoding space:
MCR{<c>}{<q>} <coproc>, {#}<opc1>, <Rt>, <CRn>, <CRm>{, {#}<opc2>}
(coproc = 0b1111, opc1 = 0b000, CRn = 0b1000, CRm = 0b0111, opc2 = 0b101)
if !IsFeatureImplemented(FEAT_AA32EL1) then Undefined(); elsif PSTATE.EL == EL0 then Undefined(); elsif PSTATE.EL == EL1 then if EL2Enabled() && IsFeatureImplemented(FEAT_AA64EL2) && !ELUsingAArch32(EL2) && HSTR_EL2().T8 == '1' then AArch64_AArch32SystemAccessTrap(EL2, 0x03); elsif EL2Enabled() && IsFeatureImplemented(FEAT_AA32EL2) && ELUsingAArch32(EL2) && HSTR().T8 == '1' then AArch32_TakeHypTrapException(0x03); elsif EL2Enabled() && IsFeatureImplemented(FEAT_AA64EL2) && !ELUsingAArch32(EL2) && HCR_EL2().TTLB == '1' then AArch64_AArch32SystemAccessTrap(EL2, 0x03); elsif EL2Enabled() && IsFeatureImplemented(FEAT_AA32EL2) && ELUsingAArch32(EL2) && HCR().TTLB == '1' then AArch32_TakeHypTrapException(0x03); else AArch32_TLBI_VA(SecurityStateAtEL(EL1), Regime_EL10, VMID(), Broadcast_NSH, TLBILevel_Last, TLBI_AllAttr, R(t)); end; elsif PSTATE.EL == EL2 then AArch32_TLBI_VA(SecurityStateAtEL(EL1), Regime_EL10, VMID(), Broadcast_NSH, TLBILevel_Last, TLBI_AllAttr, R(t)); elsif PSTATE.EL == EL3 then AArch32_TLBI_VA(SecurityStateAtEL(EL3), Regime_EL30, VMID_NONE, Broadcast_NSH, TLBILevel_Last, TLBI_AllAttr, R(t)); end;
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