diff options
Diffstat (limited to 'drivers/kvm/x86_emulate.c')
| -rw-r--r-- | drivers/kvm/x86_emulate.c | 50 |
1 files changed, 23 insertions, 27 deletions
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index 53377f0b202..499d1ad42bc 100644 --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -1541,31 +1541,6 @@ special_insn: case 0x9d: /* popf */ c->dst.ptr = (unsigned long *) &ctxt->eflags; goto pop_instruction; - case 0xc3: /* ret */ - c->dst.ptr = &c->eip; - goto pop_instruction; - case 0xf4: /* hlt */ - ctxt->vcpu->halt_request = 1; - goto done; - case 0xf5: /* cmc */ - /* complement carry flag from eflags reg */ - ctxt->eflags ^= EFLG_CF; - c->dst.type = OP_NONE; /* Disable writeback. */ - break; - case 0xf8: /* clc */ - ctxt->eflags &= ~EFLG_CF; - c->dst.type = OP_NONE; /* Disable writeback. */ - break; - case 0xfa: /* cli */ - ctxt->eflags &= ~X86_EFLAGS_IF; - c->dst.type = OP_NONE; /* Disable writeback. */ - break; - case 0xfb: /* sti */ - ctxt->eflags |= X86_EFLAGS_IF; - c->dst.type = OP_NONE; /* Disable writeback. */ - break; - } - switch (c->b) { case 0xa4 ... 0xa5: /* movs */ c->dst.type = OP_MEM; c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes; @@ -1652,6 +1627,9 @@ special_insn: case 0xae ... 0xaf: /* scas */ DPRINTF("Urk! I don't handle SCAS.\n"); goto cannot_emulate; + case 0xc3: /* ret */ + c->dst.ptr = &c->eip; + goto pop_instruction; case 0xe8: /* call (near) */ { long int rel; switch (c->op_bytes) { @@ -1676,8 +1654,26 @@ special_insn: JMP_REL(c->src.val); c->dst.type = OP_NONE; /* Disable writeback. */ break; - - + case 0xf4: /* hlt */ + ctxt->vcpu->halt_request = 1; + goto done; + case 0xf5: /* cmc */ + /* complement carry flag from eflags reg */ + ctxt->eflags ^= EFLG_CF; + c->dst.type = OP_NONE; /* Disable writeback. */ + break; + case 0xf8: /* clc */ + ctxt->eflags &= ~EFLG_CF; + c->dst.type = OP_NONE; /* Disable writeback. */ + break; + case 0xfa: /* cli */ + ctxt->eflags &= ~X86_EFLAGS_IF; + c->dst.type = OP_NONE; /* Disable writeback. */ + break; + case 0xfb: /* sti */ + ctxt->eflags |= X86_EFLAGS_IF; + c->dst.type = OP_NONE; /* Disable writeback. */ + break; } goto writeback; |