git: acpi/cstate/x86_64: Implement native C-state support for Intel CPUs

[Sepherosa Ziehau]

commit 5764e12516158974fac10d50dbd2df76ce1ab007
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Thu Jan 30 17:56:16 2014 +0800

    acpi/cstate/x86_64: Implement native C-state support for Intel CPUs
    
    The native C-state on Intel CPUs is entered using monitor/mwait w/ the
    help from mwait hint (eax) and extension (ecx, break upon interrupt).
    
    We still need to keep an eye on native C1 state.  Currently C1 state
    only uses "sti;halt".

Summary of changes:
 sys/cpu/x86_64/include/specialreg.h            |   9 +++
 sys/dev/acpica/acpi_cpu_cstate.c               |   2 -
 sys/dev/acpica/acpi_cpu_cstate.h               |   1 +
 sys/platform/pc32/acpica/acpi_cstate_machdep.c |  12 ++-
 sys/platform/pc64/acpica/acpi_cpu_machdep.c    |  18 ++++-
 sys/platform/pc64/acpica/acpi_cstate_machdep.c | 106 ++++++++++++++++++++++---
 sys/platform/pc64/include/md_var.h             |   1 +
 sys/platform/pc64/x86_64/machdep.c             |  18 +++++
 8 files changed, 150 insertions(+), 17 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/5764e12516158974fac10d50dbd2df76ce1ab007


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