Defined in 5 files as a macro:
- sys/arm/include/bus.h, line 739 (as a macro)
- sys/arm64/include/bus.h, line 73 (as a macro)
- sys/mips/include/bus.h, line 720 (as a macro)
- sys/powerpc/include/bus.h, line 73 (as a macro)
- sys/riscv/include/bus.h, line 73 (as a macro)