diff options
Diffstat (limited to 'target-i386/kvm.c')
| -rw-r--r-- | target-i386/kvm.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 7b01328ffe..ab65a6ebe5 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -1145,7 +1145,7 @@ static void set_seg(struct kvm_segment *lhs, const SegmentCache *rhs) lhs->l = (flags >> DESC_L_SHIFT) & 1; lhs->g = (flags & DESC_G_MASK) != 0; lhs->avl = (flags & DESC_AVL_MASK) != 0; - lhs->unusable = 0; + lhs->unusable = !lhs->present; lhs->padding = 0; } @@ -1154,14 +1154,18 @@ static void get_seg(SegmentCache *lhs, const struct kvm_segment *rhs) lhs->selector = rhs->selector; lhs->base = rhs->base; lhs->limit = rhs->limit; - lhs->flags = (rhs->type << DESC_TYPE_SHIFT) | - (rhs->present * DESC_P_MASK) | - (rhs->dpl << DESC_DPL_SHIFT) | - (rhs->db << DESC_B_SHIFT) | - (rhs->s * DESC_S_MASK) | - (rhs->l << DESC_L_SHIFT) | - (rhs->g * DESC_G_MASK) | - (rhs->avl * DESC_AVL_MASK); + if (rhs->unusable) { + lhs->flags = 0; + } else { + lhs->flags = (rhs->type << DESC_TYPE_SHIFT) | + (rhs->present * DESC_P_MASK) | + (rhs->dpl << DESC_DPL_SHIFT) | + (rhs->db << DESC_B_SHIFT) | + (rhs->s * DESC_S_MASK) | + (rhs->l << DESC_L_SHIFT) | + (rhs->g * DESC_G_MASK) | + (rhs->avl * DESC_AVL_MASK); + } } static void kvm_getput_reg(__u64 *kvm_reg, target_ulong *qemu_reg, int set) |