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| author | Nitin A Kamble <nitin.a.kamble@intel.com> | 2007-08-28 18:08:37 -0700 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-10-13 10:18:28 +0200 |
| commit | f6eed39135c03d39ff4095b1ddd947672469dfee (patch) | |
| tree | ce01911db566551519c1c23036b1d19e46928080 /drivers/kvm | |
| parent | 7d316911632acb8ba8cb7c1dd318ba723c9f1d50 (diff) | |
| download | op-kernel-dev-f6eed39135c03d39ff4095b1ddd947672469dfee.zip op-kernel-dev-f6eed39135c03d39ff4095b1ddd947672469dfee.tar.gz | |
KVM: x86 emulator: call near
Implement emulation of instruction
opcode: 0xe8
call (near)
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 | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index 4fc2da6..9f1772f 100644 --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -150,7 +150,7 @@ static u8 opcode_table[256] = { /* 0xE0 - 0xE7 */ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xE8 - 0xEF */ - 0, SrcImm|ImplicitOps, 0, SrcImmByte|ImplicitOps, 0, 0, 0, 0, + ImplicitOps, SrcImm|ImplicitOps, 0, SrcImmByte|ImplicitOps, 0, 0, 0, 0, /* 0xF0 - 0xF7 */ 0, 0, 0, 0, ImplicitOps, 0, @@ -1033,6 +1033,26 @@ push: case 0xd2 ... 0xd3: /* Grp2 */ src.val = _regs[VCPU_REGS_RCX]; goto grp2; + case 0xe8: /* call (near) */ { + long int rel; + switch (op_bytes) { + case 2: + rel = insn_fetch(s16, 2, _eip); + break; + case 4: + rel = insn_fetch(s32, 4, _eip); + break; + case 8: + rel = insn_fetch(s64, 8, _eip); + break; + default: + DPRINTF("Call: Invalid op_bytes\n"); + goto cannot_emulate; + } + src.val = (unsigned long) _eip; + JMP_REL(rel); + goto push; + } case 0xe9: /* jmp rel */ case 0xeb: /* jmp rel short */ JMP_REL(src.val); |
