Konstantin Belousov 4c918926cd Add x2APIC support. Enable it by default if CPU is capable. The ... hw.x2apic_enable tunable allows disabling it from the loader prompt. To closely repeat effects of the uncached memory ops when accessing registers in the xAPIC mode, the x2APIC writes to MSRs are preceeded by mfence, except for the EOI notifications. This is probably too strict, only ICR writes to send IPI require serialization to ensure that other CPUs see the previous actions when IPI is delivered. This may be changed later. In vmm justreturn IPI handler, call doreti_iret instead of doing iretd inline, to handle corner conditions. Note that the patch only switches LAPICs into x2APIC mode. It does not enables FreeBSD to support > 255 CPUs, which requires parsing x2APIC MADT entries and doing interrupts remapping, but is the required step on the way. Reviewed by: neel Tested by: pho (real hardware), neel (on bhyve) Discussed with: jhb, grehan Sponsored by: The FreeBSD Foundation MFC after: 2 months		2015-02-09 21:00:56 +00:00
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_align.h
_inttypes.h
_limits.h
_stdint.h
_types.h	Rename __wchar_t so it no longer conflicts with __wchar_t from clang 3.4	2014-04-01 14:46:11 +00:00
acpica_machdep.h	x86/madt: make the interrupt override parser a public function	2014-08-04 08:58:50 +00:00
apicreg.h	Add x2APIC support. Enable it by default if CPU is capable. The	2015-02-09 21:00:56 +00:00
apicvar.h	Add x2APIC support. Enable it by default if CPU is capable. The	2015-02-09 21:00:56 +00:00
apm_bios.h
bus.h	Update NetBSD Foundation copyrights to 2-clause BSD	2014-03-18 01:40:25 +00:00
busdma_impl.h	Remove redundand declaration, fixing the build with gcc.	2013-10-29 07:25:54 +00:00
dump.h	Factor out duplicated code from dumpsys() on each architecture into generic	2015-01-07 01:01:39 +00:00
elf.h
endian.h
fdt.h	Retire machine/fdt.h as a header used by MI code, as its function is now	2014-01-05 18:46:58 +00:00
float.h
fpu.h	Improve support for XSAVE with debuggers.	2014-11-21 20:53:17 +00:00
frame.h
init.h	msi: add Xen MSI implementation	2014-09-30 16:46:45 +00:00
legacyvar.h	Add support for managing PCI bus numbers. As with BARs and PCI-PCI bridge	2014-02-12 04:30:37 +00:00
mca.h
mptable.h	Use fixed-width types for all fields in MP Table structures and pack	2013-12-11 21:19:04 +00:00
ofw_machdep.h	Retire machine/fdt.h as a header used by MI code, as its function is now	2014-01-05 18:46:58 +00:00
pci_cfgreg.h
psl.h	x86: Allow users to change PSL_RF via ptrace(PT_SETREGS...)	2013-11-14 15:37:20 +00:00
ptrace.h	Improve support for XSAVE with debuggers.	2014-11-21 20:53:17 +00:00
pvclock.h	Add interface to derive a TSC frequency from the pvclock	2015-02-04 08:33:04 +00:00
reg.h
segments.h	Remove ia64.	2014-07-07 00:27:09 +00:00
setjmp.h
sigframe.h
signal.h
specialreg.h	Add x2APIC support. Enable it by default if CPU is capable. The	2015-02-09 21:00:56 +00:00
stdarg.h	Add a va_copy() to our fall-back stdarg implementation for use with lint(1)	2013-10-07 10:01:23 +00:00
sysarch.h
trap.h	Remove references to an unused fasttrap probe hook, and remove the	2013-10-31 02:35:00 +00:00
ucontext.h
vdso.h
vmware.h	Rework virtual machine hypervisor detection.	2014-10-28 19:17:44 +00:00