cvs commit: src/sys/platform/pc32/i386 busdma_machdep.c

Matthew Dillon dillon at
Sun Jun 3 04:48:11 PDT 2007

dillon      2007/06/03 04:47:10 PDT

DragonFly src repository

  Modified files:
    sys/platform/pc32/i386 busdma_machdep.c 
  Implement boundary and maximum segment size handling in bus_dmamap_load().
  This fixes NATA's UDMA device support.  The UDMA dma controller is limited
  to a transfer size of 65536 bytes and address incrementation might not
  carry over to bit 16.
  Revision  Changes    Path
  1.19      +54 -4     src/sys/platform/pc32/i386/busdma_machdep.c

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