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(parent: 5f0ce17) | patch
target-i386: add lock mov cr0 = cr8
authorAndre Przywara <andre.przywara@amd.com>
Fri, 18 Sep 2009 22:30:47 +0000 (00:30 +0200)
committerAurelien Jarno <aurelien@aurel32.net>
Sun, 4 Oct 2009 12:04:40 +0000 (14:04 +0200)
commitccd59d09a9d0c75b86185b89d8246e40b5f01168
tree09abef1a743a89c5acdc88b89889ac39b4611aebtree
parent5f0ce17ffc926f0d41cdbf90435ff7cb33a04942commit | diff
target-i386: add lock mov cr0 = cr8

AMD CPUs featuring a shortcut to access CR8 even from 32-bit mode.
If you use the LOCK prefix with "mov CR0", it accesses CR8 instead.
This behavior is guarded by the CR8_LEGACY CPUID bit
(Fn8000_0001:ECX[1]).

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
target-i386/translate.c diff | blob | blame | history
Qemu copy for testing