<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE register_page SYSTEM "registers.dtd">
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<register_page>
  <registers>
  
    <register execution_state="AArch32" is_register="False" is_internal="True" is_stub_entry="False">
      <reg_short_name>TLBIMVAHIS</reg_short_name>
        
        <reg_long_name>TLB Invalidate by VA, Hyp mode, Inner Shareable</reg_long_name>



      
            <reg_condition otherwise="UNDEFINED">when FEAT_AA32EL2 is implemented</reg_condition>
      




          <reg_reset_value></reg_reset_value>

      <reg_mappings>
        




      </reg_mappings>

        <reg_purpose>
          
    
      <purpose_text>
        <para>If EL2 is implemented, invalidate all cached copies of translation table entries from TLBs that are from any level of the translation table walk that would be required for the Non-secure EL2 translation regime and used to translate the specified address.</para>

      </purpose_text>
      <purpose_text>
        <para>The invalidation applies to all PEs in the same Inner Shareable shareability domain as the PE that executes this System instruction.</para>
      </purpose_text>

        </reg_purpose>

      <reg_groups>
            <reg_group>TLB</reg_group>
            <reg_group>Virt</reg_group>
      </reg_groups>
      
      
        
      <reg_attributes>
          
    
      <attributes_text>
        <para>TLBIMVAHIS is a 32-bit System instruction.</para>
      </attributes_text>

      </reg_attributes>
      <reg_fieldsets>
        






<fields id="fieldset_0" length="32">
  <text_before_fields/>
  <field id="fieldset_0-31_12" has_partial_fieldset="False" is_linked_to_partial_fieldset="False" is_access_restriction_possible="False" is_variable_length="False" is_constant_value="False" is_partial_field="False" is_conditional_field_name="False">
    <field_name>VA</field_name>
    <field_msb>31</field_msb>
    <field_lsb>12</field_lsb>
    <rel_range>31:12</rel_range>
    <field_description order="before">
      <para>Virtual address to match. Any TLB entries that match the ASID value and VA value will be affected by this System instruction.</para>
    </field_description>
  </field>
  <field id="fieldset_0-11_0" has_partial_fieldset="False" is_linked_to_partial_fieldset="False" is_access_restriction_possible="False" is_variable_length="False" is_constant_value="False" is_partial_field="False" is_conditional_field_name="False" rwtype="RES0">
    <field_msb>11</field_msb>
    <field_lsb>0</field_lsb>
    <rel_range>11:0</rel_range>
    <field_description order="before"/>
    <field_description order="before">
      <para>Reserved, <arm-defined-word>RES0</arm-defined-word>.</para>
    </field_description>
  </field>
  <text_after_fields/>
</fields>




<reg_fieldset length="32">
  <fieldat id="fieldset_0-31_12" msb="31" lsb="12"/>
  <fieldat id="fieldset_0-11_0" msb="11" lsb="0"/>
</reg_fieldset>


      </reg_fieldsets>

      <access_mechanisms>
          


  
    
      <access_permission_text>
        <para>If this instruction is executed in a Secure privileged mode other than Monitor mode, then the behavior is <arm-defined-word>CONSTRAINED UNPREDICTABLE</arm-defined-word>, and one of the following behaviors must occur:</para>

      </access_permission_text>
      <access_permission_text>
        <list type="unordered">
<listitem><content>The instruction is <arm-defined-word>UNDEFINED</arm-defined-word>.</content>
</listitem><listitem><content>The instruction is treated as a NOP.</content>
</listitem><listitem><content>The instruction executes as if it had been executed in Monitor mode.</content>
</listitem></list>
      </access_permission_text>





    
        
        <access_mechanism accessor="MCR TLBIMVAHIS" type="SystemAccessor">
            <encoding>
            <access_instruction>MCR{&lt;c&gt;}{&lt;q&gt;} &lt;coproc&gt;, {#}&lt;opc1&gt;, &lt;Rt&gt;, &lt;CRn&gt;, &lt;CRm&gt;{, {#}&lt;opc2&gt;}</access_instruction>
                
                <enc n="coproc" v="0b1111"/>
                
                <enc n="opc1" v="0b100"/>
                
                <enc n="CRn" v="0b1000"/>
                
                <enc n="CRm" v="0b0011"/>
                
                <enc n="opc2" v="0b001"/>
            </encoding>
            <access_permission>
                <ps name="MCR" sections="1" secttype="access_permission">
                <pstext>
if !IsFeatureImplemented(FEAT_AA32EL2) then
    Undefined();
elsif PSTATE.EL == EL0 then
    Undefined();
elsif PSTATE.EL == EL1 then
    if EL2Enabled() &amp;&amp; IsFeatureImplemented(FEAT_AA64EL2) &amp;&amp; !ELUsingAArch32(EL2) &amp;&amp; HSTR_EL2().T8 == '1' then
        AArch64_AArch32SystemAccessTrap(EL2, 0x03);
    elsif EL2Enabled() &amp;&amp; IsFeatureImplemented(FEAT_AA32EL2) &amp;&amp; ELUsingAArch32(EL2) &amp;&amp; HSTR().T8 == '1' then
        AArch32_TakeHypTrapException(0x03);
    else
        Undefined();
    end;
elsif PSTATE.EL == EL2 then
    AArch32_TLBI_VA(SecurityStateAtEL(EL2), Regime_EL2, VMID_NONE, Broadcast_ISH, TLBILevel_Any, TLBI_AllAttr, R(t));
elsif PSTATE.EL == EL3 then
    if !HaveEL(EL2) then
        Undefined();
    else
        AArch32_TLBI_VA(SS_NonSecure, Regime_EL2, VMID(), Broadcast_ISH, TLBILevel_Any, TLBI_AllAttr, R(t));
    end;
end;
                </pstext>
                </ps>
            </access_permission>
        </access_mechanism>

      </access_mechanisms>

      <arch_variants>
      </arch_variants>
  </register>
</registers>
<timestamp>2026-03-26 20:27:25</timestamp>
<commit_id>2026-03_rel</commit_id>
</register_page>