3f9d41ed10
busdma implementations to coexist. Copy busdma_machdep.c to busdma_bounce.c, which is still a single implementation of the busdma interface on x86 for now. The busdma_machdep.c only contains common and dispatch code. Tested by: pho (as part of the larger patch) Sponsored by: The FreeBSD Foundation MFC after: 1 month