Method line_base_address

crates/virtual-machine/src/memory/cache.rs:127–129

(&self, tag: u64, index: u64)

    // Resolve an address to (set_idx, way_idx, was_miss). Misses fetch from the next
    // level and write back dirty victims; hits and fills update the LRU age.
    fn resolve_line(&mut self, addr: u64) -> Result<(usize, usize, bool), VmError> {
        let (tag, index, _) = self.address_fields(addr);
        let set_idx = index as usize;

        // Hit?