diff options
Diffstat (limited to 'source/compiler/aslcompiler.y')
| -rw-r--r-- | source/compiler/aslcompiler.y | 146 |
1 files changed, 77 insertions, 69 deletions
diff --git a/source/compiler/aslcompiler.y b/source/compiler/aslcompiler.y index 7df36a841e95..92ae9409cfff 100644 --- a/source/compiler/aslcompiler.y +++ b/source/compiler/aslcompiler.y @@ -560,7 +560,7 @@ void * AslLocalAllocate (unsigned int Size); %type <n> SwitchTerm %type <n> UnloadTerm %type <n> WhileTerm -//%type <n> CaseTermList +/* %type <n> CaseTermList */ /* Type 2 opcodes */ @@ -2507,30 +2507,38 @@ ConstExprTerm | PARSEOP___PATH__ {$$ = TrCreateConstantLeafNode (PARSEOP___PATH__);} ; +/* + * The NODE_COMPILE_TIME_CONST flag in the following constant expressions + * enables compile-time constant folding to reduce the Type3Opcodes/Type2IntegerOpcodes + * to simple integers. It is an error if these types of expressions cannot be + * reduced, since the AML grammar for ****ConstExpr requires a simple constant. + * Note: The required byte length of the constant is passed through to the + * constant folding code in the node AmlLength field. + */ ByteConstExpr - : Type3Opcode {$$ = TrUpdateNode (PARSEOP_BYTECONST, $1);} - | Type2IntegerOpcode {$$ = TrUpdateNode (PARSEOP_BYTECONST, $1);} + : Type3Opcode {$$ = TrSetNodeFlags ($1, NODE_COMPILE_TIME_CONST); TrSetNodeAmlLength ($1, 1);} + | Type2IntegerOpcode {$$ = TrSetNodeFlags ($1, NODE_COMPILE_TIME_CONST); TrSetNodeAmlLength ($1, 1);} | ConstExprTerm {$$ = TrUpdateNode (PARSEOP_BYTECONST, $1);} | ByteConst {} ; WordConstExpr - : Type3Opcode {$$ = TrUpdateNode (PARSEOP_WORDCONST, $1);} - | Type2IntegerOpcode {$$ = TrUpdateNode (PARSEOP_WORDCONST, $1);} + : Type3Opcode {$$ = TrSetNodeFlags ($1, NODE_COMPILE_TIME_CONST); TrSetNodeAmlLength ($1, 2);} + | Type2IntegerOpcode {$$ = TrSetNodeFlags ($1, NODE_COMPILE_TIME_CONST); TrSetNodeAmlLength ($1, 2);} | ConstExprTerm {$$ = TrUpdateNode (PARSEOP_WORDCONST, $1);} | WordConst {} ; DWordConstExpr - : Type3Opcode {$$ = TrUpdateNode (PARSEOP_DWORDCONST, $1);} - | Type2IntegerOpcode {$$ = TrUpdateNode (PARSEOP_DWORDCONST, $1);} + : Type3Opcode {$$ = TrSetNodeFlags ($1, NODE_COMPILE_TIME_CONST); TrSetNodeAmlLength ($1, 4);} + | Type2IntegerOpcode {$$ = TrSetNodeFlags ($1, NODE_COMPILE_TIME_CONST); TrSetNodeAmlLength ($1, 4);} | ConstExprTerm {$$ = TrUpdateNode (PARSEOP_DWORDCONST, $1);} | DWordConst {} ; QWordConstExpr - : Type3Opcode {$$ = TrUpdateNode (PARSEOP_QWORDCONST, $1);} - | Type2IntegerOpcode {$$ = TrUpdateNode (PARSEOP_QWORDCONST, $1);} + : Type3Opcode {$$ = TrSetNodeFlags ($1, NODE_COMPILE_TIME_CONST); TrSetNodeAmlLength ($1, 8);} + | Type2IntegerOpcode {$$ = TrSetNodeFlags ($1, NODE_COMPILE_TIME_CONST); TrSetNodeAmlLength ($1, 8);} | ConstExprTerm {$$ = TrUpdateNode (PARSEOP_QWORDCONST, $1);} | QWordConst {} ; @@ -2839,10 +2847,10 @@ ExtendedSpaceTerm FixedDmaTerm : PARSEOP_FIXEDDMA '(' {$<n>$ = TrCreateLeafNode (PARSEOP_FIXEDDMA);} - WordConstExpr // 04: DMA RequestLines - ',' WordConstExpr // 06: DMA Channels - OptionalXferSize // 07: DMA TransferSize - OptionalNameString // 08: DescriptorName + WordConstExpr /* 04: DMA RequestLines */ + ',' WordConstExpr /* 06: DMA Channels */ + OptionalXferSize /* 07: DMA TransferSize */ + OptionalNameString /* 08: DescriptorName */ ')' {$$ = TrLinkChildren ($<n>3,4,$4,$6,$7,$8);} | PARSEOP_FIXEDDMA '(' error ')' {$$ = AslDoError(); yyclearin;} @@ -2860,16 +2868,16 @@ FixedIOTerm GpioIntTerm : PARSEOP_GPIO_INT '(' {$<n>$ = TrCreateLeafNode (PARSEOP_GPIO_INT);} - InterruptTypeKeyword // 04: InterruptType - ',' InterruptLevel // 06: InterruptLevel - OptionalShareType // 07: SharedType - ',' PinConfigByte // 09: PinConfig - OptionalWordConstExpr // 10: DebounceTimeout - ',' StringData // 12: ResourceSource - OptionalByteConstExpr // 13: ResourceSourceIndex - OptionalResourceType // 14: ResourceType - OptionalNameString // 15: DescriptorName - OptionalBuffer_Last // 16: VendorData + InterruptTypeKeyword /* 04: InterruptType */ + ',' InterruptLevel /* 06: InterruptLevel */ + OptionalShareType /* 07: SharedType */ + ',' PinConfigByte /* 09: PinConfig */ + OptionalWordConstExpr /* 10: DebounceTimeout */ + ',' StringData /* 12: ResourceSource */ + OptionalByteConstExpr /* 13: ResourceSourceIndex */ + OptionalResourceType /* 14: ResourceType */ + OptionalNameString /* 15: DescriptorName */ + OptionalBuffer_Last /* 16: VendorData */ ')' '{' DWordConstExpr '}' {$$ = TrLinkChildren ($<n>3,11,$4,$6,$7,$9,$10,$12,$13,$14,$15,$16,$19);} | PARSEOP_GPIO_INT '(' @@ -2878,16 +2886,16 @@ GpioIntTerm GpioIoTerm : PARSEOP_GPIO_IO '(' {$<n>$ = TrCreateLeafNode (PARSEOP_GPIO_IO);} - OptionalShareType_First // 04: SharedType - ',' PinConfigByte // 06: PinConfig - OptionalWordConstExpr // 07: DebounceTimeout - OptionalWordConstExpr // 08: DriveStrength - OptionalIoRestriction // 09: IoRestriction - ',' StringData // 11: ResourceSource - OptionalByteConstExpr // 12: ResourceSourceIndex - OptionalResourceType // 13: ResourceType - OptionalNameString // 14: DescriptorName - OptionalBuffer_Last // 15: VendorData + OptionalShareType_First /* 04: SharedType */ + ',' PinConfigByte /* 06: PinConfig */ + OptionalWordConstExpr /* 07: DebounceTimeout */ + OptionalWordConstExpr /* 08: DriveStrength */ + OptionalIoRestriction /* 09: IoRestriction */ + ',' StringData /* 11: ResourceSource */ + OptionalByteConstExpr /* 12: ResourceSourceIndex */ + OptionalResourceType /* 13: ResourceType */ + OptionalNameString /* 14: DescriptorName */ + OptionalBuffer_Last /* 15: VendorData */ ')' '{' DWordList '}' {$$ = TrLinkChildren ($<n>3,11,$4,$6,$7,$8,$9,$11,$12,$13,$14,$15,$18);} | PARSEOP_GPIO_IO '(' @@ -2896,15 +2904,15 @@ GpioIoTerm I2cSerialBusTerm : PARSEOP_I2C_SERIALBUS '(' {$<n>$ = TrCreateLeafNode (PARSEOP_I2C_SERIALBUS);} - WordConstExpr // 04: SlaveAddress - OptionalSlaveMode // 05: SlaveMode - ',' DWordConstExpr // 07: ConnectionSpeed - OptionalAddressingMode // 08: AddressingMode - ',' StringData // 10: ResourceSource - OptionalByteConstExpr // 11: ResourceSourceIndex - OptionalResourceType // 12: ResourceType - OptionalNameString // 13: DescriptorName - OptionalBuffer_Last // 14: VendorData + WordConstExpr /* 04: SlaveAddress */ + OptionalSlaveMode /* 05: SlaveMode */ + ',' DWordConstExpr /* 07: ConnectionSpeed */ + OptionalAddressingMode /* 08: AddressingMode */ + ',' StringData /* 10: ResourceSource */ + OptionalByteConstExpr /* 11: ResourceSourceIndex */ + OptionalResourceType /* 12: ResourceType */ + OptionalNameString /* 13: DescriptorName */ + OptionalBuffer_Last /* 14: VendorData */ ')' {$$ = TrLinkChildren ($<n>3,9,$4,$5,$7,$8,$10,$11,$12,$13,$14);} | PARSEOP_I2C_SERIALBUS '(' error ')' {$$ = AslDoError(); yyclearin;} @@ -3077,19 +3085,19 @@ RegisterTerm SpiSerialBusTerm : PARSEOP_SPI_SERIALBUS '(' {$<n>$ = TrCreateLeafNode (PARSEOP_SPI_SERIALBUS);} - WordConstExpr // 04: DeviceSelection - OptionalDevicePolarity // 05: DevicePolarity - OptionalWireMode // 06: WireMode - ',' ByteConstExpr // 08: DataBitLength - OptionalSlaveMode // 09: SlaveMode - ',' DWordConstExpr // 11: ConnectionSpeed - ',' ClockPolarityKeyword // 13: ClockPolarity - ',' ClockPhaseKeyword // 15: ClockPhase - ',' StringData // 17: ResourceSource - OptionalByteConstExpr // 18: ResourceSourceIndex - OptionalResourceType // 19: ResourceType - OptionalNameString // 20: DescriptorName - OptionalBuffer_Last // 21: VendorData + WordConstExpr /* 04: DeviceSelection */ + OptionalDevicePolarity /* 05: DevicePolarity */ + OptionalWireMode /* 06: WireMode */ + ',' ByteConstExpr /* 08: DataBitLength */ + OptionalSlaveMode /* 09: SlaveMode */ + ',' DWordConstExpr /* 11: ConnectionSpeed */ + ',' ClockPolarityKeyword /* 13: ClockPolarity */ + ',' ClockPhaseKeyword /* 15: ClockPhase */ + ',' StringData /* 17: ResourceSource */ + OptionalByteConstExpr /* 18: ResourceSourceIndex */ + OptionalResourceType /* 19: ResourceType */ + OptionalNameString /* 20: DescriptorName */ + OptionalBuffer_Last /* 21: VendorData */ ')' {$$ = TrLinkChildren ($<n>3,13,$4,$5,$6,$8,$9,$11,$13,$15,$17,$18,$19,$20,$21);} | PARSEOP_SPI_SERIALBUS '(' error ')' {$$ = AslDoError(); yyclearin;} @@ -3115,20 +3123,20 @@ StartDependentFnTerm UartSerialBusTerm : PARSEOP_UART_SERIALBUS '(' {$<n>$ = TrCreateLeafNode (PARSEOP_UART_SERIALBUS);} - DWordConstExpr // 04: ConnectionSpeed - OptionalBitsPerByte // 05: BitsPerByte - OptionalStopBits // 06: StopBits - ',' ByteConstExpr // 08: LinesInUse - OptionalEndian // 09: Endianess - OptionalParityType // 10: Parity - OptionalFlowControl // 11: FlowControl - ',' WordConstExpr // 13: Rx BufferSize - ',' WordConstExpr // 15: Tx BufferSize - ',' StringData // 17: ResourceSource - OptionalByteConstExpr // 18: ResourceSourceIndex - OptionalResourceType // 19: ResourceType - OptionalNameString // 20: DescriptorName - OptionalBuffer_Last // 21: VendorData + DWordConstExpr /* 04: ConnectionSpeed */ + OptionalBitsPerByte /* 05: BitsPerByte */ + OptionalStopBits /* 06: StopBits */ + ',' ByteConstExpr /* 08: LinesInUse */ + OptionalEndian /* 09: Endianess */ + OptionalParityType /* 10: Parity */ + OptionalFlowControl /* 11: FlowControl */ + ',' WordConstExpr /* 13: Rx BufferSize */ + ',' WordConstExpr /* 15: Tx BufferSize */ + ',' StringData /* 17: ResourceSource */ + OptionalByteConstExpr /* 18: ResourceSourceIndex */ + OptionalResourceType /* 19: ResourceType */ + OptionalNameString /* 20: DescriptorName */ + OptionalBuffer_Last /* 21: VendorData */ ')' {$$ = TrLinkChildren ($<n>3,14,$4,$5,$6,$8,$9,$10,$11,$13,$15,$17,$18,$19,$20,$21);} | PARSEOP_UART_SERIALBUS '(' error ')' {$$ = AslDoError(); yyclearin;} |