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from quux 9fans post:
- based on the following changes in FreeBSD/OpenBSD:
http://svnweb.freebsd.org/base?view=revision&revision=257305
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/dev/ic/re.c.diff?r1=1.144&r2=1.145&f=h
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/dev/ic/rtl81x9reg.h.diff?r1=1.76&r2=1.77&f=h
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/dev/ic/rtl81x9reg.h.diff?r1=1.83&r2=1.84&f=h
- sysinfo _with_ patch, on amd64 (please disregard non-working audio and iwl stuff):
http://sysinfo.9front.org/src/86/body
- tested only on amd64; machine is an Acer V5-573G (exact model: V5-573G-74518G1Takk)
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this is a good example of why blindly copy-pasting patches is a bad idea.
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procctl() is always called with up and it would not
work correctly if passed a different process, so
remove the Proc* argument and use up directly.
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we can avoid some flickering when removing the software cursor
from the shadow framebuffer by avoiding the flushscreenimage()
call.
once the cursor is redrawn, we flush the combined rect of its
old and new position in one go.
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theres no point in doing domain checks on literal ip addresses,
so handle that case early.
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werrstr() takes a format string as its first argument.
a common error is to pass user controlled string buffers
into werrstr() that might contain format string escapes
causing werrstr() to take bogus arguments from the stack
and crash.
so instead of doing:
werrstr(buf);
we want todo:
werrstr("%s", buf);
or if we have a local ERRMAX sized buffer that we can override:
errstr(buf, sizeof buf);
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this fixes a potential format string problem where the
error string is passed to werrstr() as fmt. also, the
directory comparsion is simplified in this version using
a helper function.
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when dial is called with a generic dialstring, it will try
/net and /net.alt in sequence. error out if the /net dial
gets interrupted and do not continue dialing /net.alt.
reduce stack usage by using the swaping nature of errstr()
instead of keeping two error string buffers on the stack.
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theres a race where procstopwait() is interrupted by a note,
setting p->pdbg to nil *before* acquiering the lock and
and pexit() and procctl() accessing it assuming it doesnt
change under them while they are holding the lock.
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previously, if dial was interrupted by an alarm or other note while connecting to a host that resolved to multiple ips, dial would ignore the interruption and try the next host. now dial properly returns with error when it is interrupted.
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previously, we setup mouse only when vgasize= was specifid in
plan9.ini. with efi systems, the framebuffer is already setup
for us and theres no requirement for going thru aux/vga setup,
but we still want to setup the mouse.
so do the mouseport= check once theres a framebuffer by testing
the existence of '#i/winname' (which fails when thers no
framebuffer).
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libaml comresses zero integer as nil, so remove the
nil check. this makes interrupts work in vmware with
efi.
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vmware in efi mode brings application processors up
with CR4 = 0 (pse disabled) which makes us page fault
when accessing the ap's pdb which might be in a 4MB
mapping when the boot processor used pse to setup
page tables.
so we unconditionally enable pse in apbootstrap
(and disable pae in case of surprises).
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bug: as jpm pointed out, when we run aux/wpa in rio window
and delete the window, aux/wpa was killed as it shared the
note group of the window.
fix: fork the notegroup.
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x230 booted in efi only (no csp) mode hangs
when traditional i8042reset() keyboard reset
is tried.
so we try acpireset() first which discoveres
and writes the acpi reset register.
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traps
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report descriptor (thanks aap_)
this fixes wireless keyboard/mouse on raspi.
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option of mk9660)
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instead of including kernel and config in the efi
fat image, we can just include the loaders and
read the plan9.ini and kernel from iso filesystem
just like the bios loaders.
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the uartmini enable function used to override the baud
register so the effecive baudrate was always set to
115200 baud.
now the default baudrate of 9600 is set correctly and can
be changed in the console= boot parameter.
thanks aap and hiro for debugging, pizza and beer :)
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dont write dns logfile
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