Author: andrew
Date: Fri Jul 31 15:54:34 2015
New Revision: 286134
URL: https://svnweb.freebsd.org/changeset/base/286134
Log:
Try to put the CPU into a low power state if we failed to otherwise halt
the system.
Obtained from: ABT Systems Ltd
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/arm64/arm64/machdep.c
Modified: head/sys/arm64/arm64/machdep.c
==============================================================================
--- head/sys/arm64/arm64/machdep.c Fri Jul 31 15:32:32 2015
(r286133)
+++ head/sys/arm64/arm64/machdep.c Fri Jul 31 15:54:34 2015
(r286134)
@@ -376,7 +376,11 @@ void
cpu_halt(void)
{
- panic("ARM64TODO: cpu_halt");
+ /* We should have shutdown by now, if not enter a low power sleep */
+ intr_disable();
+ while (1) {
+ __asm __volatile("wfi");
+ }
}
/*
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