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'tlbivax' is implemented by gen_tlbivax_booke206() via gen_helper_booke206_tlbivax(). In case the TLB needs to be flushed, booke206_invalidate_ea_tlb() is called. All these functions, but booke206_invalidate_ea_tlb(), uses a 64-bit effective address 'ea'. booke206_invalidate_ea_tlb() uses an uint32_t 'ea' argument that truncates the original 'ea' value for apparently no particular reason. This function retrieves the tlb pointer by calling booke206_get_tlbm(), which also uses a target_ulong address as parameter - in this case, a truncated 'ea' address. All the surrounding logic considers the effective TLB address as a 64 bit value, aside from the signature of booke206_invalidate_ea_tlb(). Last but not the least, PowerISA 2.07B section 6.11.4.9 [2] makes it clear that the effective address "EA" is a 64 bit value. Commit |
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