The TLBIALL characteristics are:
Invalidate all cached copies of translation table entries from TLBs that are from any level of the translation table walk. The entries that are invalidated are as follows:
The invalidation only applies to the PE that executes this System instruction.
This instruction is present only when AArch32 is supported at any Exception level. Otherwise, direct accesses to TLBIALL are UNKNOWN.
TLBIALL is a 32-bit System instruction.
This instruction has no applicable fields.
The value in the register specified by <Rt> is ignored.
Accesses to this instruction use the following encodings:
coproc | opc1 | CRn | CRm | opc2 |
---|---|---|---|---|
0b1111 | 0b000 | 0b1000 | 0b0111 | 0b000 |
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); elsif EL2Enabled() && !ELUsingAArch32(EL2) && HCR_EL2.TTLB == '1' then AArch64.AArch32SystemAccessTrap(EL2, 0x03); elsif EL2Enabled() && ELUsingAArch32(EL2) && HCR.TTLB == '1' then AArch32.TakeHypTrapException(0x03); elsif EL2Enabled() && ELUsingAArch32(EL2) && HCR.FB == '1' then TLBIALLIS(); else TLBIALL(); elsif PSTATE.EL == EL2 then TLBIALL(); elsif PSTATE.EL == EL3 then TLBIALL();
14/04/2020 20:09; dff0d3e465311dd9ce541b6a1e1d6c05a0668645
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