From: Avi Kivity <[email protected]> This will hold all the information known about the opcode. Currently, this is just the decode flags.
Signed-off-by: Avi Kivity <[email protected]> Signed-off-by: Marcelo Tosatti <[email protected]> diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index fc09c24..ea94f07 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -108,7 +108,11 @@ enum { Group1, Group1A, Group3, Group4, Group5, Group7, Group8, Group9, }; -static u32 opcode_table[256] = { +struct opcode { + u32 flags; +}; + +static struct opcode opcode_table[256] = { /* 0x00 - 0x07 */ ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock, ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM, @@ -222,7 +226,7 @@ static u32 opcode_table[256] = { ImplicitOps, ImplicitOps, Group | Group4, Group | Group5, }; -static u32 twobyte_table[256] = { +static struct opcode twobyte_table[256] = { /* 0x00 - 0x0F */ 0, Group | GroupDual | Group7, 0, 0, 0, ImplicitOps, ImplicitOps | Priv, 0, @@ -284,7 +288,7 @@ static u32 twobyte_table[256] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; -static u32 group_table[] = { +static struct opcode group_table[] = { [Group1*8] = X7(Lock), 0, [Group1A*8] = @@ -313,7 +317,7 @@ static u32 group_table[] = { 0, DstMem64 | ModRM | Lock, 0, 0, 0, 0, 0, 0, }; -static u32 group2_table[] = { +static struct opcode group2_table[] = { [Group7*8] = SrcNone | ModRM | Priv, 0, 0, SrcNone | ModRM | Priv, SrcNone | ModRM | DstMem | Mov, 0, @@ -1008,13 +1012,13 @@ done_prefixes: c->op_bytes = 8; /* REX.W */ /* Opcode byte(s). */ - c->d = opcode_table[c->b]; + c->d = opcode_table[c->b].flags; if (c->d == 0) { /* Two-byte opcode? */ if (c->b == 0x0f) { c->twobyte = 1; c->b = insn_fetch(u8, 1, c->eip); - c->d = twobyte_table[c->b]; + c->d = twobyte_table[c->b].flags; } } @@ -1027,9 +1031,9 @@ done_prefixes: group = (group << 3) + ((c->modrm >> 3) & 7); c->d &= ~(Group | GroupDual | GroupMask); if (dual && (c->modrm >> 6) == 3) - c->d |= group2_table[group]; + c->d |= group2_table[group].flags; else - c->d |= group_table[group]; + c->d |= group_table[group].flags; } /* Unrecognised? */ -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
