Date: Fri, 31 Jul 2015 15:54:35 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r286134 - head/sys/arm64/arm64 Message-ID: <201507311554.t6VFsZgi094815@repo.freebsd.org>
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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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