From: Guillaume Thouvenin Date: Thu, 4 Dec 2008 13:27:38 +0000 (+0100) Subject: KVM: x86 emulator: add a new "implied 1" Src decode type X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bfcadf83ec5aafe600e73dd427d997db7bcc1d12;p=linux-beck.git 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 Signed-off-by: Avi Kivity --- diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 7f5cd62362c5..0c75306e7a07 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; } /*