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freebsd/sys/x86/acpica
Warner Losh bd3bce41db Deprecate using hints.acpi.0.rsdp to communicate the RSDP to the
system. This uses the hints mechnanism. This mostly works today
because when there's no static hints (the default), this value can be
fetched from the hint. When there is a static hints file, the hint
passed from the boot loader to the kernel is ignored, but for the BIOS
case we're able to find it anyway. However, with UEFI, the fallback
doesn't work, so we get a panic instead.

Switch to acpi.rsdp and use TUNABLE_ULONG_FETCH instead. Continue to
generate the old values to allow for transitions. In addition, fall
back to the old method if the new method isn't present.

Add comments about all this.

Differential Revision: https://reviews.freebsd.org/D5866
2016-04-14 04:59:51 +00:00
..
acpi_apm.c
acpi_wakeup.c As <machine/pmap.h> is included from <vm/pmap.h>, there is no need to 2016-02-22 09:02:20 +00:00
madt.c In the SandyBridge x2APIC workaround detection code, only fetch the 2015-12-03 10:59:10 +00:00
OsdEnvironment.c Deprecate using hints.acpi.0.rsdp to communicate the RSDP to the 2016-04-14 04:59:51 +00:00
srat.c Add more fine-grained kernel options for NUMA support. 2016-04-09 13:58:04 +00:00