Date: Wed, 23 Jun 2010 20:44:07 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/amd64/amd64 exception.S src/sys/amd64/ia32 ia32_exception.S src/sys/amd64/include asmacros.h src/sys/i386/i386 apic_vector.s atpic_vector.s exception.s Message-ID: <201006232044.o5NKineh067862@repoman.freebsd.org>
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kib 2010-06-23 20:44:07 UTC
FreeBSD src repository
Modified files:
sys/amd64/amd64 exception.S
sys/amd64/ia32 ia32_exception.S
sys/amd64/include asmacros.h
sys/i386/i386 apic_vector.s atpic_vector.s exception.s
Log:
SVN rev 209483 on 2010-06-23 20:44:07Z by kib
Clear DF bit in eflags/rflags on the kernel entry. The i386 and amd64
ABI specifies the DF should be zero, and newer compilers do not clear
DF before using DF-sensitive instructions.
The DF clearing for signal handlers was done some time ago.
MFC after: 1 week
Revision Changes Path
1.147 +4 -0 src/sys/amd64/amd64/exception.S
1.8 +1 -0 src/sys/amd64/ia32/ia32_exception.S
1.35 +2 -1 src/sys/amd64/include/asmacros.h
1.117 +8 -0 src/sys/i386/i386/apic_vector.s
1.2 +1 -0 src/sys/i386/i386/atpic_vector.s
1.124 +3 -0 src/sys/i386/i386/exception.s
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