diff --git a/src/gopheros/device/acpi/aml/parser_opcode_table.go b/src/gopheros/device/acpi/aml/parser_opcode_table.go
new file mode 100644
index 0000000..66e5ef2
--- /dev/null
+++ b/src/gopheros/device/acpi/aml/parser_opcode_table.go
@@ -0,0 +1,132 @@
+package aml
+
+// List of AML opcodes.
+const (
+	// Regular opcode list
+	pOpZero             = uint16(0x00)
+	pOpOne              = uint16(0x01)
+	pOpAlias            = uint16(0x06)
+	pOpName             = uint16(0x08)
+	pOpBytePrefix       = uint16(0x0a)
+	pOpWordPrefix       = uint16(0x0b)
+	pOpDwordPrefix      = uint16(0x0c)
+	pOpStringPrefix     = uint16(0x0d)
+	pOpQwordPrefix      = uint16(0x0e)
+	pOpScope            = uint16(0x10)
+	pOpBuffer           = uint16(0x11)
+	pOpPackage          = uint16(0x12)
+	pOpVarPackage       = uint16(0x13)
+	pOpMethod           = uint16(0x14)
+	pOpExternal         = uint16(0x15)
+	pOpLocal0           = uint16(0x60)
+	pOpLocal1           = uint16(0x61)
+	pOpLocal2           = uint16(0x62)
+	pOpLocal3           = uint16(0x63)
+	pOpLocal4           = uint16(0x64)
+	pOpLocal5           = uint16(0x65)
+	pOpLocal6           = uint16(0x66)
+	pOpLocal7           = uint16(0x67)
+	pOpArg0             = uint16(0x68)
+	pOpArg1             = uint16(0x69)
+	pOpArg2             = uint16(0x6a)
+	pOpArg3             = uint16(0x6b)
+	pOpArg4             = uint16(0x6c)
+	pOpArg5             = uint16(0x6d)
+	pOpArg6             = uint16(0x6e)
+	pOpStore            = uint16(0x70)
+	pOpRefOf            = uint16(0x71)
+	pOpAdd              = uint16(0x72)
+	pOpConcat           = uint16(0x73)
+	pOpSubtract         = uint16(0x74)
+	pOpIncrement        = uint16(0x75)
+	pOpDecrement        = uint16(0x76)
+	pOpMultiply         = uint16(0x77)
+	pOpDivide           = uint16(0x78)
+	pOpShiftLeft        = uint16(0x79)
+	pOpShiftRight       = uint16(0x7a)
+	pOpAnd              = uint16(0x7b)
+	pOpNand             = uint16(0x7c)
+	pOpOr               = uint16(0x7d)
+	pOpNor              = uint16(0x7e)
+	pOpXor              = uint16(0x7f)
+	pOpNot              = uint16(0x80)
+	pOpFindSetLeftBit   = uint16(0x81)
+	pOpFindSetRightBit  = uint16(0x82)
+	pOpDerefOf          = uint16(0x83)
+	pOpConcatRes        = uint16(0x84)
+	pOpMod              = uint16(0x85)
+	pOpNotify           = uint16(0x86)
+	pOpSizeOf           = uint16(0x87)
+	pOpIndex            = uint16(0x88)
+	pOpMatch            = uint16(0x89)
+	pOpCreateDWordField = uint16(0x8a)
+	pOpCreateWordField  = uint16(0x8b)
+	pOpCreateByteField  = uint16(0x8c)
+	pOpCreateBitField   = uint16(0x8d)
+	pOpObjectType       = uint16(0x8e)
+	pOpCreateQWordField = uint16(0x8f)
+	pOpLand             = uint16(0x90)
+	pOpLor              = uint16(0x91)
+	pOpLnot             = uint16(0x92)
+	pOpLEqual           = uint16(0x93)
+	pOpLGreater         = uint16(0x94)
+	pOpLLess            = uint16(0x95)
+	pOpToBuffer         = uint16(0x96)
+	pOpToDecimalString  = uint16(0x97)
+	pOpToHexString      = uint16(0x98)
+	pOpToInteger        = uint16(0x99)
+	pOpToString         = uint16(0x9c)
+	pOpCopyObject       = uint16(0x9d)
+	pOpMid              = uint16(0x9e)
+	pOpContinue         = uint16(0x9f)
+	pOpIf               = uint16(0xa0)
+	pOpElse             = uint16(0xa1)
+	pOpWhile            = uint16(0xa2)
+	pOpNoop             = uint16(0xa3)
+	pOpReturn           = uint16(0xa4)
+	pOpBreak            = uint16(0xa5)
+	pOpBreakPoint       = uint16(0xcc)
+	pOpOnes             = uint16(0xff)
+	// Extended opcodes
+	pOpMutex       = uint16(0xff + 0x01)
+	pOpEvent       = uint16(0xff + 0x02)
+	pOpCondRefOf   = uint16(0xff + 0x12)
+	pOpCreateField = uint16(0xff + 0x13)
+	pOpLoadTable   = uint16(0xff + 0x1f)
+	pOpLoad        = uint16(0xff + 0x20)
+	pOpStall       = uint16(0xff + 0x21)
+	pOpSleep       = uint16(0xff + 0x22)
+	pOpAcquire     = uint16(0xff + 0x23)
+	pOpSignal      = uint16(0xff + 0x24)
+	pOpWait        = uint16(0xff + 0x25)
+	pOpReset       = uint16(0xff + 0x26)
+	pOpRelease     = uint16(0xff + 0x27)
+	pOpFromBCD     = uint16(0xff + 0x28)
+	pOpToBCD       = uint16(0xff + 0x29)
+	pOpUnload      = uint16(0xff + 0x2a)
+	pOpRevision    = uint16(0xff + 0x30)
+	pOpDebug       = uint16(0xff + 0x31)
+	pOpFatal       = uint16(0xff + 0x32)
+	pOpTimer       = uint16(0xff + 0x33)
+	pOpOpRegion    = uint16(0xff + 0x80)
+	pOpField       = uint16(0xff + 0x81)
+	pOpDevice      = uint16(0xff + 0x82)
+	pOpProcessor   = uint16(0xff + 0x83)
+	pOpPowerRes    = uint16(0xff + 0x84)
+	pOpThermalZone = uint16(0xff + 0x85)
+	pOpIndexField  = uint16(0xff + 0x86)
+	pOpBankField   = uint16(0xff + 0x87)
+	pOpDataRegion  = uint16(0xff + 0x88)
+	// Special internal opcodes which are not part of the spec; these are
+	// for internal use by the AML parser.
+	pOpIntScopeBlock           = uint16(0xff + 0xf7)
+	pOpIntByteList             = uint16(0xff + 0xf8)
+	pOpIntConnection           = uint16(0xff + 0xf9)
+	pOpIntNamedField           = uint16(0xff + 0xfa)
+	pOpIntResolvedNamePath     = uint16(0xff + 0xfb)
+	pOpIntNamePath             = uint16(0xff + 0xfc)
+	pOpIntNamePathOrMethodCall = uint16(0xff + 0xfd)
+	pOpIntMethodCall           = uint16(0xff + 0xfe)
+	// Sentinel value to indicate freed objects
+	pOpIntFreedObject = uint16(0xff + 0xff)
+)