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target-i386: n270 can MOVBE

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The Atom core (cpu name "n270" in QEMU speak) supports MOVBE. This is
needed when booting 3.8 and later linux kernels built with the MATOM
target because we require MOVBE in order to boot properly now.

Signed-off-by: Borislav Petkov <bp@suse.de>
[ehabkost: added compat code to disable MOVBE on pc-*-1.4 and older]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Borislav Petkov 2013-04-25 15:43:04 -03:00 • committed by Andreas Färber
parent 0668af542f
commit 4458c23672
3 changed files with 4 additions and 1 deletions
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3
target-i386/cpu.c
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@ -657,7 +657,8 @@ static x86_def_t builtin_x86_defs[] = {
/* Some CPUs got no CPUID_SEP */
.features[FEAT_1_ECX] =
CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
CPUID_EXT_DSCPL | CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR,
CPUID_EXT_DSCPL | CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR |
CPUID_EXT_MOVBE,
.features[FEAT_8000_0001_EDX] =
(PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
CPUID_EXT2_NX,