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authorDaniel Verkamp <daniel@drv.nu>2011-08-27 02:12:28 -0700
committerKevin Wolf <kwolf@redhat.com>2011-09-21 14:32:20 +0200
commit465f1ab16169f5d71e52f11d4c650a50fd681030 (patch)
tree02fee21253c82795551111e8d63f46fd7b2ba8f1 /cmd.c
parent8e72506e20d9e606783de1cdb8d60dd9b9241e30 (diff)
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ahci: add port I/O index-data pair
Implement an I/O space index-data register pair as defined by the AHCI spec, including the corresponding SATA PCI capability and BAR. This allows real-mode code to access the AHCI registers; real-mode code cannot address the memory-mapped register space because it is beyond the first megabyte. Signed-off-by: Daniel Verkamp <daniel@drv.nu> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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