296 lines
8.5 KiB
Plaintext
296 lines
8.5 KiB
Plaintext
/*
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* badcode.asl
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*
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* This file contains examples of the extended error checking and
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* typechecking capabilities of the iASL compiler. Other ASL compilers
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* may ignore these errors completely. Note - this is not an exhaustive
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* list of errors detected by iASL, it shows many of the errors that
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* are not detected by other ASL compilers.
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*
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* To compile, use:
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* iasl badcode.asl
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*/
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DefinitionBlock ("badcode.aml", "DSDT", 1, "Intel", "Example", 0x00000001)
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{
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Name (INT1, 0)
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Name (BUF1, Buffer() {0,1,2,3})
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Event (EVT1)
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// Invalid SyncLevel in Mutex declaration
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Mutex (MTX1, 32)
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// Integer beyond the table integer size (32 bits)
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Name (BIG, 0x1234567887654321)
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// CPackage length does not match initializer list length
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Name (PKG1, Package(5) {0,1})
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// Inadvertent use of single backslash in a string
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Name (PATH, Buffer() {"\_SB_.PCI2._CRS"})
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// Invalid hex escape sequence
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Name (ESC1, "abcdefg\x00hijklmn")
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// Field access beyond region bounds
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OperationRegion (OPR1, SystemMemory, 0x2000, 6)
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Field (OPR1, DWordAcc, NoLock, Preserve)
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{
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Offset (4),
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FLD1, 8
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}
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// Some address spaces support only ByteAcc or BufferAcc
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OperationRegion (OPR2, EmbeddedControl, 0x4000, 8)
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Field (OPR2, DWordAcc, NoLock, Preserve)
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{
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FLD2, 8
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}
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OperationRegion (OPR3, SMBus, 0x8000, 16)
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Field (OPR3, WordAcc, NoLock, Preserve)
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{
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FLD3, 8
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}
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// Invalid SyncLevel in method declaration
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Method (MTH1, 0, NotSerialized, 32)
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{
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// Invalid arguments and uninitialized locals
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Store (Arg3, Local0)
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Store (Local1, Local2)
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// Parameter typechecking (MTX1 is invalid type)
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Subtract (MTX1, 4, Local3)
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// Various invalid parameters
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CreateField (BUF1, 0, Subtract (4, 4), FLD1)
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// Unchecked mutex and event timeouts
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Acquire (MTX1, 100)
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Wait (EVT1, 1)
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// Result from operation is not used - statement has no effect
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Add (INT1, 8)
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// Unreachable code
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Return (0)
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Store (5, INT1)
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}
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Method (MTH2)
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{
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// Switch with no Case statements
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Switch (ToInteger (INT1))
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{
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Default
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{
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}
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}
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if (LEqual (INT1, 0))
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{
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Return (INT1)
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}
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// Fallthrough exit path does not return a value
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}
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Method (MTH3)
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{
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// Method MTH2 above does not always return a value
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Store (MTH2 (), Local0)
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}
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// Invalid _HID value
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Name (_HID, "*PNP0C0A")
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// Predefined Name typechecking
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Name (_PRW, 4)
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Name (_FDI, Buffer () {0})
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// Predefined Name argument count validation
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// and return value validation
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Method (_OSC, 5)
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{
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}
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// Predefined Names that must be implemented as control methods
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Name (_L01, 1)
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Name (_E02, 2)
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Name (_Q03, 3)
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Name (_ON, 0)
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Name (_INI, 1)
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Name (_PTP, 2)
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/*
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* Resource Descriptor error checking
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*/
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Name (RSC1, ResourceTemplate ()
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{
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// Illegal nested StartDependent macros
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StartDependentFn (0, 0)
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{
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StartDependentFn (0, 0)
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{
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}
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}
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// Missing EndDependentFn macro
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})
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Name (RSC2, ResourceTemplate ()
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{
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// AddressMin is larger than AddressMax
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IO (Decode16,
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0x07D0, // Range Minimum
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0x03E8, // Range Maximum
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0x01, // Alignment
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0x20, // Length
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)
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// Length larger than Min/Max window size
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Memory32 (ReadOnly,
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0x00001000, // Range Minimum
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0x00002000, // Range Maximum
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0x00000004, // Alignment
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0x00002000, // Length
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)
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// Min and Max not multiples of alignment value
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Memory32 (ReadOnly,
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0x00001001, // Range Minimum
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0x00002002, // Range Maximum
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0x00000004, // Alignment
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0x00000200, // Length
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)
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// 10-bit ISA I/O address has a max of 0x3FF
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FixedIO (
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0xFFFF, // Address
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0x20, // Length
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)
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// Invalid AccessSize parameter
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Register (SystemIO,
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0x08, // Bit Width
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0x00, // Bit Offset
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0x0000000000000100, // Address
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0x05 // Access Size
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)
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// Invalid ResourceType (0xB0)
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QWordSpace (0xB0, ResourceConsumer, PosDecode, MinFixed, MaxFixed, 0xA5,
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0x0000, // Granularity
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0xA000, // Range Minimum
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0xBFFF, // Range Maximum
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0x0000, // Translation Offset
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0x2000, // Length
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,, )
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// AddressMin is larger than AddressMax
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WordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
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0x0000, // Granularity
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0x0200, // Range Minimum
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0x0100, // Range Maximum
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0x0000, // Translation Offset
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0x0100, // Length
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,, , TypeStatic)
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// Length larger than Min/Max window size
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DWordSpace (0xC3, ResourceConsumer, PosDecode, MinFixed, MaxFixed, 0xA5,
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0x00000000, // Granularity
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0x000C8000, // Range Minimum
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0x000C9000, // Range Maximum
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0x00000000, // Translation Offset
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0x00001002, // Length
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,, )
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// Granularity must be (power-of-two -1)
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DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxNotFixed, NonCacheable, ReadWrite,
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0x00000010,
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0x40000000,
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0xFED9FFFF,
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0x00000000,
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0xBECA0000)
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// Address Min (with zero length) not on granularity boundary
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QWordIO (ResourceProducer, MinFixed, MaxNotFixed, PosDecode, EntireRange,
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0x0000000000000003, // Granularity
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0x0000000000000B02, // Range Minimum
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0x0000000000000C00, // Range Maximum
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0x0000000000000000, // Translation Offset
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0x0000000000000000, // Length
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,, , TypeStatic)
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// Address Max (with zero length) not on (granularity boundary -1)
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QWordMemory (ResourceProducer, PosDecode, MinNotFixed, MaxFixed, Cacheable, ReadWrite,
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0x0000000000000001, // Granularity
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0x0000000000100000, // Range Minimum
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0x00000000002FFFFE, // Range Maximum
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0x0000000000000000, // Translation Offset
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0x0000000000000000, // Length
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,, , AddressRangeMemory, TypeStatic)
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// Invalid combination: zero length, both Min and Max are fixed
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DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
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0x00000000, // Granularity
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0x000C8000, // Range Minimum
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0x000C8FFF, // Range Maximum
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0x00000000, // Translation Offset
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0x00000000, // Length
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,, )
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// Invalid combination: non-zero length, Min Fixed, Max not fixed
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DWordIO (ResourceProducer, MinFixed, MaxNotFixed, PosDecode, EntireRange,
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0x00000001, // Granularity
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0x000C8000, // Range Minimum
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0x000C8FFF, // Range Maximum
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0x00000000, // Translation Offset
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0x00000100, // Length
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,, )
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// Invalid combination: non-zero length, Min not Fixed, Max fixed
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DWordIO (ResourceProducer, MinNotFixed, MaxFixed, PosDecode, EntireRange,
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0x00000001, // Granularity
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0x000C8000, // Range Minimum
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0x000C8FFF, // Range Maximum
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0x00000000, // Translation Offset
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0x00000200, // Length
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,, )
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// Granularity must be zero if non-zero length, min/max fixed
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DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
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0x0000000F, // Granularity
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0x000C8000, // Range Minimum
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0x000C8FFF, // Range Maximum
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0x00000000, // Translation Offset
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0x00001000, // Length
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,, )
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// Missing StartDependentFn macro
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EndDependentFn ()
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})
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}
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