variable bug that's hidden by the precense of the hint_acpi_0_rsdp
hint on 386 and amd64. There's never a need for such hint on ia64.
Approved by: re (kensmith)
Improvements:
* /etc/rc.suspend,rc.resume are always run, no matter the source of the
suspend request (user or kernel, apm or acpi)
* suspend now requires positive user acknowledgement. If a user program
wants to cancel the suspend, they can. If one of the user programs
hangs or doesn't respond within 10 seconds, the system suspends anyway.
* /dev/apm is clonable, allowing multiple listeners for suspend events.
In the future, xorg-server can use this to be informed about suspend
even if there are other listeners (i.e. apmd).
Changes:
* Two new ACPI ioctls: REQSLPSTATE and ACKSLPSTATE. Request begins the
process of suspending by notifying all listeners. acpi is monitored by
devd(8) and /dev/apm listener(s) are also counted. Users register their
approval or disapproval via Ack. If anyone disapproves, suspend is vetoed.
* Old user programs or kernel modules that used SETSLPSTATE continue to
work. A message is printed once that this interface is deprecated.
* acpiconf gains the -k flag to ack the suspend request. This flag is
undocumented on purpose since it's only used by /etc/rc.suspend. It is
not intended to be a permanent change and will be removed once a better
power API is implemented.
* S5 (power off) is no longer supported via acpiconf -s 5 or apm -z/-Z.
This restores previous behavior of halt/shutdown -p being the interface.
* Miscellaneous improvements to error reporting
Approved by: re
Rate units are mA/mW, not mAh/mWh. Get full battery status and time
remaining from ACPIIO_BATT_GET_BATTINFO instead of BST.
PR: bin/83672
MFC after: 2 days
units (as specified in _BIF). (noted by Bruno Ducrot)
o In looking in the standard, if the cap numbers are 0xffffffff, then acpi
is reporting unknown for that field. Report unknown numbers properly.
o Update the state to reflect charging, discharging and critical.
my patches for this information. Commit my more complete version.
This version isn't complete yet, since some details aren't handled
right just yet.
Poaching by: phk
Since we can only override the DSDT, a custom ASL dumped previously that
contained SSDTs would result in lots of multiple definition errors.
A longer-term fix involves adding the ability to override SSDTs to ACPI-CA.
MFC after: 3 days
This gets us the info we need on systems which have proprietary tables that
don't match the standard. For instance, an AMI system has a table of type
"OEMB" with an invalid checksum.
Tested by: Maxim Maximov <mcsi_at_mcsi.pp.ru>
MFC after: 1 day
callers. These ioctls attempted to enable and disable the ACPI
interpreter at runtime. In practice, it is not possible to boot with
ACPI and then disable it on many systems and trying to do so can cause
crashes, interrupt storms, etc. Binary compatibility with userland is
retained.
MFC after: 2 days
and explicitly mention SSDT when we talk about the DSDT so that people
don't have to guess whether it includes the SSDT.
While here, touch date.
Pointed out by: le@
now include the contents if any SSDT table as well. This makes use
of the property that one can concatenate the body of SSDT tables to
the DSDT, updating the DSDT header (length and checksum) and end up
with a larger and valid DSDT table. Hence, this also works with -f.
Reviewed by: njl@
trying to exclude the top end of the range since it should hurt to overlap
by 4 bytes in the off-chance the RSDP signature appears incorrectly at the
very top of our search space.
where the RSD PTR can actually occur. According to section 5.2.2
of the ACPI spec, we only consider two regions for the base address:
1. EBDA (0x0 - 0x3FF)
2. High memory (0xE0000 - 0xFFFFF)
I don't know whether this fixes any actual problems but is more correct.
