diff options
Diffstat (limited to 'source/components/disassembler/dmopcode.c')
| -rw-r--r-- | source/components/disassembler/dmopcode.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/source/components/disassembler/dmopcode.c b/source/components/disassembler/dmopcode.c index 6d2c3e1..b52bdb2 100644 --- a/source/components/disassembler/dmopcode.c +++ b/source/components/disassembler/dmopcode.c @@ -46,6 +46,7 @@ #include "acparser.h" #include "amlcode.h" #include "acdisasm.h" +#include "acnamesp.h" #ifdef ACPI_DISASSEMBLER @@ -61,6 +62,218 @@ AcpiDmMatchKeyword ( /******************************************************************************* * + * FUNCTION: AcpiDmPredefinedDescription + * + * PARAMETERS: Op - Name() parse object + * + * RETURN: None + * + * DESCRIPTION: Emit a description comment for a predefined ACPI name. + * Used for iASL compiler only. + * + ******************************************************************************/ + +void +AcpiDmPredefinedDescription ( + ACPI_PARSE_OBJECT *Op) +{ +#ifdef ACPI_ASL_COMPILER + const AH_PREDEFINED_NAME *Info; + char *NameString; + int LastCharIsDigit; + int LastCharsAreHex; + + + if (!Op) + { + return; + } + + /* Ensure that the comment field is emitted only once */ + + if (Op->Common.DisasmFlags & ACPI_PARSEOP_PREDEF_CHECKED) + { + return; + } + Op->Common.DisasmFlags |= ACPI_PARSEOP_PREDEF_CHECKED; + + /* Predefined name must start with an underscore */ + + NameString = ACPI_CAST_PTR (char, &Op->Named.Name); + if (NameString[0] != '_') + { + return; + } + + /* + * Check for the special ACPI names: + * _ACd, _ALd, _EJd, _Exx, _Lxx, _Qxx, _Wxx, _T_a + * (where d=decimal_digit, x=hex_digit, a=anything) + * + * Convert these to the generic name for table lookup. + * Note: NameString is guaranteed to be upper case here. + */ + LastCharIsDigit = + (ACPI_IS_DIGIT (NameString[3])); /* d */ + LastCharsAreHex = + (ACPI_IS_XDIGIT (NameString[2]) && /* xx */ + ACPI_IS_XDIGIT (NameString[3])); + + switch (NameString[1]) + { + case 'A': + if ((NameString[2] == 'C') && (LastCharIsDigit)) + { + NameString = "_ACx"; + } + else if ((NameString[2] == 'L') && (LastCharIsDigit)) + { + NameString = "_ALx"; + } + break; + + case 'E': + if ((NameString[2] == 'J') && (LastCharIsDigit)) + { + NameString = "_EJx"; + } + else if (LastCharsAreHex) + { + NameString = "_Exx"; + } + break; + + case 'L': + if (LastCharsAreHex) + { + NameString = "_Lxx"; + } + break; + + case 'Q': + if (LastCharsAreHex) + { + NameString = "_Qxx"; + } + break; + + case 'T': + if (NameString[2] == '_') + { + NameString = "_T_x"; + } + break; + + case 'W': + if (LastCharsAreHex) + { + NameString = "_Wxx"; + } + break; + + default: + break; + } + + /* Match the name in the info table */ + + for (Info = AslPredefinedInfo; Info->Name; Info++) + { + if (ACPI_COMPARE_NAME (NameString, Info->Name)) + { + AcpiOsPrintf (" // %4.4s: %s", + NameString, ACPI_CAST_PTR (char, Info->Description)); + return; + } + } + +#endif + return; +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDmFieldPredefinedDescription + * + * PARAMETERS: Op - Parse object + * + * RETURN: None + * + * DESCRIPTION: Emit a description comment for a resource descriptor tag + * (which is a predefined ACPI name.) Used for iASL compiler only. + * + ******************************************************************************/ + +void +AcpiDmFieldPredefinedDescription ( + ACPI_PARSE_OBJECT *Op) +{ +#ifdef ACPI_ASL_COMPILER + ACPI_PARSE_OBJECT *IndexOp; + char *Tag; + const ACPI_OPCODE_INFO *OpInfo; + const AH_PREDEFINED_NAME *Info; + + + if (!Op) + { + return; + } + + /* Ensure that the comment field is emitted only once */ + + if (Op->Common.DisasmFlags & ACPI_PARSEOP_PREDEF_CHECKED) + { + return; + } + Op->Common.DisasmFlags |= ACPI_PARSEOP_PREDEF_CHECKED; + + /* + * Op must be one of the Create* operators: CreateField, CreateBitField, + * CreateByteField, CreateWordField, CreateDwordField, CreateQwordField + */ + OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); + if (!(OpInfo->Flags & AML_CREATE)) + { + return; + } + + /* Second argument is the Index argument */ + + IndexOp = Op->Common.Value.Arg; + IndexOp = IndexOp->Common.Next; + + /* Index argument must be a namepath */ + + if (IndexOp->Common.AmlOpcode != AML_INT_NAMEPATH_OP) + { + return; + } + + /* Major cheat: We previously put the Tag ptr in the Node field */ + + Tag = ACPI_CAST_PTR (char, IndexOp->Common.Node); + + /* Match the name in the info table */ + + for (Info = AslPredefinedInfo; Info->Name; Info++) + { + if (ACPI_COMPARE_NAME (Tag, Info->Name)) + { + AcpiOsPrintf (" // %4.4s: %s", Tag, + ACPI_CAST_PTR (char, Info->Description)); + return; + } + } + +#endif + return; +} + + +/******************************************************************************* + * * FUNCTION: AcpiDmMethodFlags * * PARAMETERS: Op - Method Object to be examined |
