Perhaps this file should be changed to use trace_enter() so that
systrace works for aliased syscalls? Leave that for someone familiar
with the systrace system.
Setup a DDB context for paused CPUs by defining a soft trap (T_DBPAUSE)
which uses the generic trap handler code to get the trapframe constructed
and then calls on a debugger-defined `suspend' routine.
well as reporting the actual machine model & cpu, rather than first configured
CPU. changes for two machines are:
old:
hw.model = TMS390Z50 v0 or TMS390Z55 @ 75 MHz, on-chip FPU
hw.model = SUNW,UltraSPARC @ 143.002 MHz, version 0 FPU
new:
hw.model = SUNW,SPARCstation-20 (TMS390Z50 v0 or TMS390Z55 @ 75 MHz, on-chip FPU)
hw.model = SUNW,Ultra-1 (SUNW,UltraSPARC @ 143.002 MHz, version 0 FPU)
as per discussion on port-sparc & port-sparc64.
possible to use alternate system call tables. This is usefull for
displaying correctly the arguments in Mach binaries traces.
If NULL is given, then the regular systam call table for the process is used.
cannot change the recording or playback mode of the device, it can
only change other mode-like values (like AUMODE_PLAY_ALL). Be very
explicit about fixing up the user's mode value based on the mode of
the device. Before, giving AUMODE_PLAY_ALL could cause AUMODE_PLAY
to become set on the device, and once AUMODE_PLAY_ALL was set it
was impossible to clear.
allocated ppref data to zero in the case of an amap that has empty
space at the front.
Don't set anything in the ppref array if "len" is zero.
Many thanks to Sami Kantoluoto for providing gdb access to a machine
that would reliably crash with problems related to the above, and to
Stephan Thesing for corroborating that the patch properly addressed
the problem.
Note that the ar_pageoff (and related variables) types must be changed
soon. The use of "int" here is not theoretically sufficient.
Our PC keyboard driver (sys/dev/pckbc/pckbd.c) works only with 8042
keyboard controller driver (sys/dev/ic/pckbc.c). So, This file
provides same functions as those of 8042 driver.
XXX: we need cleaner interface between the keyboard driver and
keyboard controller drivers.
XXX: PS/2 mice are not supported yet.
