diff options
| author | Richard Henderson <rth@twiddle.net> | 2015-07-02 14:53:40 +0100 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-02-13 07:59:59 +1100 |
| commit | 19dc85dba23c0db1ca932c62e453c37e00761628 (patch) | |
| tree | 9ac16b50d5d1b11c9533c6a85e336c1274d1ba38 /target-i386/kvm.c | |
| parent | 121f3157887f92268a3d6169e2d4601f9292020b (diff) | |
target-i386: Add XSAVE extension
This includes XSAVE, XRSTOR, XGETBV, XSETBV, which are all related,
as well as the associate cpuid bits.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-i386/kvm.c')
| -rw-r--r-- | target-i386/kvm.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 94024bc1b1..fca0314c3a 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -1855,13 +1855,16 @@ static int kvm_get_sregs(X86CPU *cpu) HF_OSFXSR_MASK | HF_LMA_MASK | HF_CS32_MASK | \ HF_SS32_MASK | HF_CS64_MASK | HF_ADDSEG_MASK) - hflags = (env->segs[R_SS].flags >> DESC_DPL_SHIFT) & HF_CPL_MASK; + hflags = env->hflags & HFLAG_COPY_MASK; + hflags |= (env->segs[R_SS].flags >> DESC_DPL_SHIFT) & HF_CPL_MASK; hflags |= (env->cr[0] & CR0_PE_MASK) << (HF_PE_SHIFT - CR0_PE_SHIFT); hflags |= (env->cr[0] << (HF_MP_SHIFT - CR0_MP_SHIFT)) & (HF_MP_MASK | HF_EM_MASK | HF_TS_MASK); hflags |= (env->eflags & (HF_TF_MASK | HF_VM_MASK | HF_IOPL_MASK)); - hflags |= (env->cr[4] & CR4_OSFXSR_MASK) << - (HF_OSFXSR_SHIFT - CR4_OSFXSR_SHIFT); + + if (env->cr[4] & CR4_OSFXSR_MASK) { + hflags |= HF_OSFXSR_MASK; + } if (env->efer & MSR_EFER_LMA) { hflags |= HF_LMA_MASK; @@ -1882,7 +1885,7 @@ static int kvm_get_sregs(X86CPU *cpu) env->segs[R_SS].base) != 0) << HF_ADDSEG_SHIFT; } } - env->hflags = (env->hflags & HFLAG_COPY_MASK) | hflags; + env->hflags = hflags; return 0; } |