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ACPI: Implement power button on !x86

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ACPI sleep states are only implemented on x86 systems, so having the
ACPI power button attempt to enter "S5" (or other state as configured
via the hw.acpi.power_button_state sysctl) is not useful.

On non-x86 systems, implement the power button with a call to
    shutdown_nice(RB_POWEROFF)
to shut down the system.

Reviewed by:	Andrew
Tested on:	Graviton 2
Approved by:	re (kib)
MFC after:	2 weeks
Sponsored by:	Amazon
Differential Revision:	https://reviews.freebsd.org/D47094

(cherry picked from commit f41ef9d80b3d272e08dd9e2ea3c1d8d3f2818066)
(cherry picked from commit e177e64294)
This commit is contained in:
Colin Percival 2024-10-12 10:27:39 -07:00
parent 574e7bad4a
commit c90ebd3fa3
1 changed files with 9 additions and 0 deletions
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9
sys/dev/acpica/acpi.c
View file

@ -3858,13 +3858,22 @@ acpi_invoke_wake_eventhandler(void *context)
UINT32
acpi_event_power_button_sleep(void *context)
{
#if defined(__amd64__) || defined(__i386__)
struct acpi_softc *sc = (struct acpi_softc *)context;
#else
(void)context;
#endif
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
#if defined(__amd64__) || defined(__i386__)
if (ACPI_FAILURE(AcpiOsExecute(OSL_NOTIFY_HANDLER,
acpi_invoke_sleep_eventhandler, &sc->acpi_power_button_sx)))
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
#else
shutdown_nice(RB_POWEROFF);
#endif
return_VALUE (ACPI_INTERRUPT_HANDLED);
}