Date: Tue, 7 Oct 2008 14:05:42 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/boot/i386/libi386 bootinfo64.c Message-ID: <200810071406.m97E63xr098993@repoman.freebsd.org>
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jhb 2008-10-07 14:05:42 UTC
FreeBSD src repository
Modified files:
sys/boot/i386/libi386 bootinfo64.c
Log:
SVN rev 183667 on 2008-10-07 14:05:42Z by jhb
Use CPUID to see if the current CPU supports long mode when attemping to
boot an amd64 kernel. If not, then fail the boot request with an error
message. Otherwise, the boot attempt will fail with a BTX fault when
trying to read the EFER MSR.
MFC after: 3 days
Revision Changes Path
1.38 +47 -1 src/sys/boot/i386/libi386/bootinfo64.c
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