Method read_halfword

crates/virtual-machine/src/bus.rs:287–290

(&mut self, addr: u64)

        self.framebuffer = state.framebuffer.clone();
        self.keyboard = state.keyboard.clone();
        self.syscon_exit = state.syscon_exit;
    }

    // UART, CLINT, and PLIC must be matched before ROM: their physical addresses
    // fall inside the ROM range. SYSCON writes are intercepted in `MemoryAccess` below.
    #[inline]
    fn route(&mut self, addr: u64) -> Option<(&mut dyn MemoryAccess, u64)> {