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some devices freeze up with inqiry allocation length
other than 36 bytes. as we do not really care about
the vendor specific part of the inquiry, lets only do
36 byte inquiry for now.
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previously, we had to maintain 3 sets of pci vid/did's:
1) in /lib/vgadb for detection
2) in the userspace driver in aux/vga
3) in the kernel mode driver
this change makes the kernel mode driver more dumb in
the cases where possible. we let userspace do the pci
enumeration and if needed, it can set the pci address
of the vga card. kernel mode drivers can assume to get
the right pci device passed in scr->pci for enable()
and linear() functions and just do very basic sanity
checking before mapping framebuffer and mmio regions.
vgalinearpciid() was removed as userspace is responsible
to pick pci device.
theres a new vgactl message "pcidev" where userspace
can set the bus address. we initialize scr->pci in
vgareset() to the first pci graphics card found. this
should cover cases when an old aux/vga binary is used
that doesnt use the new pcidev message.
userspace drivers will now use the pci device that got
a match from /lib/vgadb and skip ther own enumeration.
this way, vga cards can be made to work by simply adding
an entry in vgadb with no need to modify userspace or
kernelspace drivers. this is not always possible if
the driver derives information from the specific card
model.
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after some thought, the file attachment headers Attach: and Include:
(before Inline:) are more like the Subject: line and should be interpreted
every time.
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Apparently i82567m ether (ich9) _has_ flash. Provided patch fixes the ethernet for Thinkpad X200.
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mouse acceleration can be done by software in the kernels
devmouse device like:
echo hwaccel off >/dev/mousectl
echo accelerated 5 >/dev/mousectl
it is hard to pass nusb/kb parameters anyway as it is started
from nusbrc in bootfs.paq, so i remove the option.
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instead of setting the packet io byte count to some bullshit
value, use the dlen from the scsi request. limit transfer
byte count to 32k for atapi.
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hotplug)
the unit inquiry data might change in case the drive got pulled
with ahci. so keep track if we locked the ctl in a local stack
variable instead of relying on that the inquiry data stays the
same.
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Bread() always reads exactly nbytes of data if it can. only
when it reaches end of file or an error it will return less.
so the Breadn() function that was introduced has been removed.
sorry for the confusion.
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matushita dvd-ram on thinkpad x301 hangs on the inquiry command
done from scsiverify(). not sure whats wrong with it, but at least
this makes the machine boot.
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interrupts, bios handoff, idle, cleanup
wait for the drives to become ready or missing in iaonline()
and iaverify() to prevent nobootprompt= race.
handle task file error status (this can happen for atapi)
under some circumstances and would hang the io if not
handled.
preventively poll interrupts from the checkdrive kproc in
case we loose interrupts (bad via machine).
implement bios handoff procedure.
make sure the port is idle before programming the port dma
regios in configdrive(), do not start command processing
on the port unless phylink has been established.
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aan announce option -A has to be specified before -R and -O so
reflect this in the manual page.
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in it (lj > q, nj > w).
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the pbs update might fail if we dont unmount the 9fat.
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instead of forcing mouse to boot protocol, which often
doesnt work, we set it to report protocol and parse
the hid report descriptor. if thers no such descriptor
we revert to boot protocol.
all mouse packet parsing is done by report parser,
even for boot protocol. also all the work arrounds
for the leadbyte hack (report id?) are removed.
keyboards should not be affected by this change.
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µlaw in wav support
to support µ-law audio embedded in wav and big endian pcm
in sun audio files the µ-law and a-law and big endian integer
decoding was added to pcmconv. sundec now parses the sun
audio header supporting stereo now.
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