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| author | Nitin A Kamble <nitin.a.kamble@intel.com> | 2007-09-15 11:25:41 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-10-13 12:18:29 +0400 |
| commit | 55bebde45ec252295b08cb3990f15df2228dbf0e (patch) | |
| tree | 18e2a6a126d2166b7bdf1e70269741860e8df2e2 /drivers/kvm | |
| parent | bbe9abbdaca366510db1f2df25f4c7b48cba38eb (diff) | |
| download | linux-55bebde45ec252295b08cb3990f15df2228dbf0e.tar.xz | |
KVM: X86 emulator: jump conditional short
Implement emulation of more jump conditional instructions
jcc shortrel
opcodes: 0x70 - 0x7f
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm')
| -rw-r--r-- | drivers/kvm/x86_emulate.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index ba53e59f558a..57f1a5ad0110 100644 --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -111,8 +111,12 @@ static u8 opcode_table[256] = { 0, 0, ImplicitOps|Mov, 0, SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps, /* insb, insw/insd */ SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps, /* outsb, outsw/outsd */ - /* 0x70 - 0x7F */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* 0x70 - 0x77 */ + ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, + ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, + /* 0x78 - 0x7F */ + ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, + ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, /* 0x80 - 0x87 */ ByteOp | DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM, DstMem | SrcImmByte | ModRM, @@ -1268,6 +1272,13 @@ special_insn: ) == 0) return -1; return 0; + case 0x70 ... 0x7f: /* jcc (short) */ { + int rel = insn_fetch(s8, 1, _eip); + + if (test_cc(b, _eflags)) + JMP_REL(rel); + break; + } case 0x9c: /* pushf */ src.val = (unsigned long) _eflags; goto push; |