c

vexiiriscv.decode

AlignerPlugin

class AlignerPlugin extends FiberPlugin with AlignerService with InjectorService

This plugin will deserialize the aligned fetched words into instructions. - withBuffer => A Fetch.WORD sized buffer will be added to allow unaligned instruction to be read - !withBuffer => Fetch lanes directly feed Decode lanes without muxes. This doesn't support RVC - Warning, if the plugin start to hold stats => you need to notify TrapService when flush a is pending

Here are the challenges : - When RVC is enabled, 32 bits instruction can be unaligned, so one instruction my need 2 fetch word - Branch prediction (ex: from a BTB) may produce a broken stream of fetched word on 32 bits unaligned instruction aswell producing predictions which aren't aligned with the real instruction layout (ex prediction from fetched word slice 2, while slice 2 isn't the last slice of a instruction) - Handeling all the corner cases while keeping the combinatorial path low

Linear Supertypes
InjectorService, AlignerService, FiberPlugin, Hostable, Area, OverridedEqualsHashCode, ValCallbackRec, ValCallback, NameableByComponent, Nameable, ContextUser, ScalaLocated, GlobalDataUser, OwnableRef, AnyRef, Any
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  2. By Inheritance
Inherited
  1. AlignerPlugin
  2. InjectorService
  3. AlignerService
  4. FiberPlugin
  5. Hostable
  6. Area
  7. OverridedEqualsHashCode
  8. ValCallbackRec
  9. ValCallback
  10. NameableByComponent
  11. Nameable
  12. ContextUser
  13. ScalaLocated
  14. GlobalDataUser
  15. OwnableRef
  16. AnyRef
  17. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new AlignerPlugin(fetchAt: Int, lanes: Int, withBuffer: Boolean)

Type Members

  1. abstract type RefOwnerType
    Definition Classes
    OwnableRef

Value Members

  1. val _context: Capture
    Definition Classes
    Area
  2. def addFirstSliceDataCtx(that: NamedType[_ <: Data]): LinkedHashSet[NamedType[_ <: Data]]
    Definition Classes
    AlignerService
  3. def addLastSliceDataCtx(that: NamedType[_ <: Data]): LinkedHashSet[NamedType[_ <: Data]]
    Definition Classes
    AlignerService
  4. def addService[T](that: T): T
    Definition Classes
    FiberPlugin
  5. val api: Handle[Area { ... /* 3 definitions in type refinement */ }]
  6. def awaitBuild(): Unit
    Definition Classes
    FiberPlugin
  7. def buildBefore(l: ⇒ Lock): Unit
    Definition Classes
    FiberPlugin
  8. var buildCount: Int
    Definition Classes
    FiberPlugin
  9. def childNamePriority: Byte
    Definition Classes
    Area
  10. def component: Component
    Definition Classes
    ContextUser
  11. def during: AnyRef { ... /* 2 definitions in type refinement */ }
    Definition Classes
    FiberPlugin
  12. val elaborationLock: Retainer
    Definition Classes
    AlignerService
  13. def equals(obj: Any): Boolean
    Definition Classes
    OverridedEqualsHashCode → AnyRef → Any
  14. val firstSliceData: LinkedHashSet[NamedType[_ <: Data]]
    Definition Classes
    AlignerService
  15. def foreachReflectableNameables(doThat: (Any) ⇒ Unit): Unit
    Definition Classes
    Nameable
  16. def getDisplayName(): String
    Definition Classes
    Nameable
  17. def getInstanceCounter: Int
    Definition Classes
    ContextUser
  18. def getName(default: String): String
    Definition Classes
    NameableByComponent → Nameable
  19. def getName(): String
    Definition Classes
    NameableByComponent → Nameable
  20. def getPartialName(): String
    Definition Classes
    Nameable
  21. def getPath(from: Component, to: Component): Seq[Component]
    Definition Classes
    NameableByComponent
  22. def getRefOwnersChain(): List[Any]
    Definition Classes
    OwnableRef
  23. def getScalaLocationLong: String
    Definition Classes
    ScalaLocated
  24. def getScalaLocationShort: String
    Definition Classes
    ScalaLocated
  25. def getScalaTrace(): Throwable
    Definition Classes
    ScalaLocated
  26. val globalData: GlobalData
    Definition Classes
    GlobalDataUser
  27. def hashCode(): Int
    Definition Classes
    OverridedEqualsHashCode → AnyRef → Any
  28. var host: PluginHost
    Definition Classes
    FiberPlugin
  29. val hostLock: Lock
    Definition Classes
    FiberPlugin
  30. def injectPort(): Flow[Bits]
    Definition Classes
    InjectorService
  31. val injectPorts: ArrayBuffer[Flow[Bits]]
    Definition Classes
    InjectorService
  32. val injectRetainer: Retainer
    Definition Classes
    InjectorService
  33. def isCompletelyUnnamed: Boolean
    Definition Classes
    Nameable
  34. final def isNamed: Boolean
    Definition Classes
    Nameable
  35. def isPriorityApplicable(namePriority: Byte): Boolean
    Definition Classes
    Nameable
  36. def isUnnamed: Boolean
    Definition Classes
    NameableByComponent → Nameable
  37. val lastSliceData: LinkedHashSet[NamedType[_ <: Data]]
    Definition Classes
    AlignerService
  38. val lockables: LinkedHashSet[() ⇒ Lock]
    Definition Classes
    FiberPlugin
  39. val logic: Handle[Area { ... /* 23 definitions in type refinement */ }]
  40. val name: String
    Definition Classes
    Nameable
  41. def overrideLocalName(name: String): AlignerPlugin.this.type
    Definition Classes
    Nameable
  42. val parentScope: ScopeStatement
    Definition Classes
    ContextUser
  43. var pluginEnabled: Boolean
    Definition Classes
    FiberPlugin
  44. val refOwner: RefOwnerType
    Definition Classes
    OwnableRef
    Annotations
    @DontName()
  45. def reflectNames(): Unit
    Definition Classes
    Nameable
  46. def retains(head: Any, tail: Any*): RetainerGroup
    Definition Classes
    FiberPlugin
  47. def retains(that: Seq[Any]): RetainerGroup
    Definition Classes
    FiberPlugin
  48. def rework[T](body: ⇒ T): T
    Definition Classes
    Area
  49. val scalaTrace: Throwable
    Definition Classes
    ScalaLocated
  50. def setCompositeName(nameable: Nameable, postfix: String, namePriority: Byte): AlignerPlugin.this.type
    Definition Classes
    Nameable
  51. def setCompositeName(nameable: Nameable, postfix: String, weak: Boolean): AlignerPlugin.this.type
    Definition Classes
    Nameable
  52. def setCompositeName(nameable: Nameable, postfix: String): AlignerPlugin.this.type
    Definition Classes
    Nameable
  53. def setCompositeName(nameable: Nameable, namePriority: Byte): AlignerPlugin.this.type
    Definition Classes
    Nameable
  54. def setCompositeName(nameable: Nameable, weak: Boolean): AlignerPlugin.this.type
    Definition Classes
    Nameable
  55. def setCompositeName(nameable: Nameable): AlignerPlugin.this.type
    Definition Classes
    Nameable
  56. def setHost(h: PluginHost): Unit
    Definition Classes
    FiberPlugin → Hostable
  57. def setLambdaName(isNameBody: ⇒ Boolean)(nameGen: ⇒ String): AlignerPlugin.this.type
    Definition Classes
    Nameable
  58. def setName(name: String, namePriority: Byte): AlignerPlugin.this.type
    Definition Classes
    Nameable
  59. def setName(name: String, weak: Boolean): AlignerPlugin.this.type
    Definition Classes
    Nameable
  60. def setName(name: String): AlignerPlugin.this.type
    Definition Classes
    Nameable
  61. def setNameAsWeak(): AlignerPlugin.this.type
    Definition Classes
    Nameable
  62. def setPartialName(name: String, namePriority: Byte, owner: Any): AlignerPlugin.this.type
    Definition Classes
    Nameable
  63. def setPartialName(name: String, namePriority: Byte): AlignerPlugin.this.type
    Definition Classes
    Nameable
  64. def setPartialName(name: String, weak: Boolean): AlignerPlugin.this.type
    Definition Classes
    Nameable
  65. def setPartialName(owner: Nameable, name: String, namePriority: Byte): AlignerPlugin.this.type
    Definition Classes
    Nameable
  66. def setPartialName(owner: Nameable, name: String, weak: Boolean): AlignerPlugin.this.type
    Definition Classes
    Nameable
  67. def setPartialName(name: String): AlignerPlugin.this.type
    Definition Classes
    Nameable
  68. def setPartialName(owner: Nameable, name: String): AlignerPlugin.this.type
    Definition Classes
    Nameable
  69. def setPartialName(owner: Nameable): AlignerPlugin.this.type
    Definition Classes
    Nameable
  70. def setRefOwner(that: Any): Unit
    Definition Classes
    OwnableRef
  71. def setScalaLocated(source: ScalaLocated): AlignerPlugin.this.type
    Definition Classes
    ScalaLocated
  72. def setWeakName(name: String): AlignerPlugin.this.type
    Definition Classes
    Nameable
  73. def setupRetain(l: ⇒ Lock): Unit
    Definition Classes
    FiberPlugin
  74. val subservices: ArrayBuffer[Any]
    Definition Classes
    FiberPlugin
  75. def toString(): String
    Definition Classes
    Area → Nameable → AnyRef → Any
  76. def unsetName(): AlignerPlugin.this.type
    Definition Classes
    Nameable
  77. def valCallback[T](ref: T, name: String): T
    Definition Classes
    ValCallbackRec → ValCallback
  78. def valCallbackOn(ref: Any, name: String, refs: Set[Any]): Unit
    Definition Classes
    ValCallbackRec
  79. def valCallbackRec(obj: Any, name: String): Unit
    Definition Classes
    Area → ValCallbackRec
  80. def withPrefix(prefix: String): FiberPlugin
    Definition Classes
    FiberPlugin