Date: Wed, 6 Dec 2006 17:45:35 +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/btx/btx btx.S Message-ID: <200612061745.kB6HjZgs054396@repoman.freebsd.org>
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jhb 2006-12-06 17:45:35 UTC
FreeBSD src repository
Modified files:
sys/boot/i386/btx/btx btx.S
Log:
Ignore any breakpoint instructions (int 3) we encounter in vm86 mode
rather than treating them as a fatal exception and halting. At least one
storage BIOS (some newer mpt(4) parts) have a breakpoint instruction in
their disk read routine.
MFC after: 3 days
Revision Changes Path
1.44 +2 -0 src/sys/boot/i386/btx/btx/btx.S
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