Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bfcadf...
Commit: bfcadf83ec5aafe600e73dd427d997db7bcc1d12
Parent: 0dc8d10f7d848b63c8d32cf6fd31ba7def792ac9
Author: Guillaume Thouvenin <guillaume.thouvenin@ext.bull.net>
AuthorDate: Thu Dec 4 14:27:38 2008 +0100
Committer: Avi Kivity <avi@redhat.com>
CommitDate: Wed Dec 31 16:55:42 2008 +0200
KVM: x86 emulator: add a new "implied 1" Src decode type
Add SrcOne operand type when we need to decode an implied '1' like with
regular shift instruction
Signed-off-by: Guillaume Thouvenin <guillaume.thouvenin@ext.bull.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/x86/kvm/x86_emulate.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index 7f5cd62..0c75306 100644
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -58,6 +58,7 @@
#define SrcMem32 (4<<4) /* Memory operand (32-bit). */
#define SrcImm (5<<4) /* Immediate operand. */
#define SrcImmByte (6<<4) /* 8-bit sign-extended immediate operand. */
+#define SrcOne (7<<4) /* Implied '1' */
#define SrcMask (7<<4)
/* Generic ModRM decode. */
#define ModRM (1<<7)
@@ -1004,6 +1005,10 @@ done_prefixes:
c->src.bytes = 1;
c->src.val = insn_fetch(s8, 1, c->eip);
break;
+ case SrcOne:
+ c->src.bytes = 1;
+ c->src.val = 1;
+ break;
}
/*
--
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