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Made the LBA48 example clearer.

This commit is contained in:
Michael Brown 2006-05-21 16:02:38 +00:00
parent 80958ff69c
commit 9dfb9d84b4
1 changed files with 4 additions and 4 deletions
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8
src/include/gpxe/ata.h
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@ -20,14 +20,14 @@
* set" (LBA48), in which case each of these byte-wide registers is
* actually a two-entry FIFO, and the "previous" byte pushed into the
* FIFO is used as the corresponding high-order byte. So, to set up
* the 48-bit address 0x12345678abcd, you would issue
* the 48-bit address 0x123456abcdef, you would issue
*
* 0x56 -> LBA Low register
* 0xcd -> LBA Low register
* 0xef -> LBA Low register
* 0x34 -> LBA Mid register
* 0xab -> LBA Mid register
* 0xcd -> LBA Mid register
* 0x12 -> LBA High register
* 0x78 -> LBA High register
* 0xab -> LBA High register
*
* This structure encapsulates this information by providing a single
* 64-bit integer in native byte order, unioned with bytes named so