bus_write_16       45 bsp/drv/arm/include/busio.h #define bus_write_16(addr, val)	(*((volatile uint16_t *)(addr)) = (val))
bus_write_16       48 bsp/drv/ppc/include/busio.h #define bus_write_16(addr, val)	(*((volatile uint16_t *)(IOBASE+addr)) = (val))
bus_write_16       39 bsp/drv/x86/arch/busio.S ENTRY(bus_write_16)