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freebsd-skq/sys/amd64
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Brian S. Dean 3ad234d4ef swtch.s: During context save, use the correct bit mask for clearing 
the non-reserved bits of dr7.

         During context restore, load dr7 in such a way as to not
         disturb reserved bits.

machdep.c: Don't explicitly disallow the setting of the reserved bits
           in dr7 since we now keep from setting them when we load dr7
           from the PCB.

           This allows one to write back the dr7 value obtained from
           the system without triggering an EINVAL (one of the
           reserved bits always seems to be set after taking a trace
           trap).

MFC after:	7 days
2001-07-19 04:37:27 +00:00
..
acpica FreeBSD-specific OSD (operating system dependant) modules for the Intel 2000-10-28 06:56:15 +00:00
amd64 swtch.s: During context save, use the correct bit mask for clearing 2001-07-19 04:37:27 +00:00
conf `pcn' supports AMD Am79C97x cards, not Am79C79x cards. 2001-07-13 13:34:08 +00:00
include Fix MCOUNT_ENTER() so it actually compiles in the profiling case. 2001-07-14 21:40:53 +00:00
isa The per-cpu temporary buffers are not needed since the pcb_save areas have 2001-07-17 13:06:47 +00:00
pci Un-swap irq/link byte values so that printf works. 2001-05-11 04:52:29 +00:00
Makefile Update tags directive to reflect the new location of soft updates 2000-07-04 00:18:43 +00:00