diff options
Diffstat (limited to 'drivers/kvm/x86_emulate.c')
| -rw-r--r-- | drivers/kvm/x86_emulate.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index 1036e0224aa..cf895aab51d 100644 --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -99,7 +99,8 @@ static u8 opcode_table[256] = { /* 0x40 - 0x4F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x50 - 0x57 */ - 0, 0, 0, 0, 0, 0, 0, 0, + ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, + ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, /* 0x58 - 0x5F */ ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, @@ -1151,6 +1152,19 @@ special_insn: if (twobyte) goto twobyte_special_insn; switch(b) { + case 0x50 ... 0x57: /* push reg */ + if (op_bytes == 2) + src.val = (u16) _regs[b & 0x7]; + else + src.val = (u32) _regs[b & 0x7]; + dst.type = OP_MEM; + dst.bytes = op_bytes; + dst.val = src.val; + register_address_increment(_regs[VCPU_REGS_RSP], -op_bytes); + dst.ptr = (void *) register_address( + ctxt->ss_base, _regs[VCPU_REGS_RSP]); + no_wb = 1; /* force writeback */ + break; case 0x6c: /* insb */ case 0x6d: /* insw/insd */ if (kvm_emulate_pio_string(ctxt->vcpu, NULL, |