UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

KVM: x86 emulator: Add decoding of 16bit second immediate argument 

Such as segment number in lcall/ljmp

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2009-04-12 13:36:14 +03:00 committed by Avi Kivity
parent c2d0ee46e6
commit a5f868bd45
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/x86/kvm/x86_emulate.c
View File

@ -76,6 +76,7 @@
#define Src2CL (1<<29)
#define Src2ImmByte (2<<29)
#define Src2One (3<<29)
#define Src2Imm16 (4<<29)
#define Src2Mask (7<<29)
enum {
@ -1072,6 +1073,12 @@ done_prefixes:
c->src2.bytes = 1;
c->src2.val = insn_fetch(u8, 1, c->eip);
break;
case Src2Imm16:
c->src2.type = OP_IMM;
c->src2.ptr = (unsigned long *)c->eip;
c->src2.bytes = 2;
c->src2.val = insn_fetch(u16, 2, c->eip);
break;
case Src2One:
c->src2.bytes = 1;
c->src2.val = 1;