Hi,
Attached is a two part version of the previous patch. Stage1 is enough
to get through most OS installs. Stage2 adds unaligned buffer support
needed for MS-DOS.
Hmm, patch #1 is still a collection of multiple changes, looks a bit
like trying this and that until it somehow worked,
Gerd Hoffmann wrote:
] Hi,
]
] Attached is a two part version of the previous patch. Stage1 is enough
] to get through most OS installs. Stage2 adds unaligned buffer support
] needed for MS-DOS.
]
]Hmm, patch #1 is still a collection of multiple changes, looks a bit
]like trying this and that
Thanks Scott,
I'd like to commit these fixes. Is there any chance you could break
them up into separate patches - one per fix?
That would be great for review too.
thanks,
Gerd
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On Tue, Apr 26, 2011 at 09:15:04PM -0500, Scott Duplichan wrote:
Kevin O'Connor wrote:
]Out of curiosity, can you see what happens if you return
]DISK_RET_EBOUNDARY in the unaligned case?
DOS tries the same request 10 times then ignores the error
and continues.
Thanks for testing.
]It's
Scott Duplichan wrote:
]1) When booting a DOS drive, a disk read error occurs at some point
]after autoexec executes.
The revised patch (attached) overcomes this problem. It turns out in
the latter stage of booting, DOS makes a couple of INT13 read requests
with a buffer that is not word
Scott Duplichan wrote:
]1) When booting a DOS drive, a disk read error occurs at some point
]after autoexec executes.
The revised patch (attached) overcomes this problem. It turns out in
the latter stage of booting, DOS makes a couple of INT13 read requests
with a buffer that is not word
Peter Stuge wrote:
]Still it's not nice to write outside the callers buffer. Another OS
]might call same function and SeaBIOS would end up corrupting some
]variable. Ungood. I guess memmove() is the only choice?
]//Peter
I had a couple of ideas for a more sound solution. Debugging them is
a
Scott Duplichan wrote:
Another possibility is splitting the request. The caller's buffer
could handle the bigger part, and a stack buffer could be used for
the remaining part.
I think this idea is by far the best!
//Peter
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On Sat, Feb 12, 2011 at 11:43:24PM +, Jonathan A. Kollasch wrote:
Hi,
I've been trying SeaBIOS's AHCI driver on AMD SB710 hardware under
coreboot. Both AMD's AHCI BIOS and NetBSD's ahcisata(4) drivers are
happy enough with the hardware's state after coreboot/SeaBIOS.
However,
Hi,
I've been trying SeaBIOS's AHCI driver on AMD SB710 hardware under
coreboot. Both AMD's AHCI BIOS and NetBSD's ahcisata(4) drivers are
happy enough with the hardware's state after coreboot/SeaBIOS.
However, SeaBIOS's AHCI driver just falls into a dead loop waiting for
commands to complete.
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