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CPU Profiles A. Haverinen, Nokia. Simple CPU profile. Application: CPU core initiators with non-packet interface Initiator read/write interface Features: Address mapped communication 32 bit address Natural data width, constrained block (burst) size Byte enables Bufferable to posted

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simple cpu profile
Simple CPU profile
  • Application:
    • CPU core initiators with non-packet interface
    • Initiator read/write interface
  • Features:
    • Address mapped communication
    • 32 bit address
    • Natural data width, constrained block (burst) size
    • Byte enables
    • Bufferable to posted
    • Caching etc mapped to MReqInfo
    • Single-thread
    • Does not describe test extensions
simple cpu profile1
Simple CPU Profile

MCmd,

Maddr, Mdata, Mburst*, MByteEn, MReqInfo

Master

Slave

MCmd

SCmdAccept

SData, SResp

SResp

MCmd ={ Idle | Write NonPost | Read | ReadEx}

MBurstPrecise=1, MBurstSeq=1, INCR, STRM, WRAP

packet cpu write profile
Packet CPU Write Profile
  • Application:
    • CPU write port with single-request burst capability
    • Initiator write-only interface
  • Features:
    • packet type communication
    • 32 bit address
    • Separate Command/Write data flow
    • Natural data width
    • Bufferable to posted
    • Caching etc mapped to MReqInfo
    • Byte enables
    • Tagged
    • Does not describe test extensions
packet cpu write profile1
Packet CPU Write Profile

MCmd,

Maddr, Mburst*, MReqInfo

Master

Slave

MCmd

SCmdAccept

Mdata, MDataByteEn

MDataValid

SDataAccept

SResp

MRespAccept

MCmd ={ Idle | Write | Write NonPost}

MBurstPrecise=1, MBurstSeq=1, MburstSingleReq=1,

INCR, STRM, WRAP

packet cpu read profile
Packet CPU Read Profile
  • Application:
    • CPU read port with single-request burst capability
    • Initiator read-only interface
  • Features:
    • packet type communication
    • 32 bit address
    • Single-request read data flow
    • Natural data width
    • Bufferable to posted
    • Caching etc mapped to MReqInfo
    • Byte enables
    • Tagged
    • Does not describe test extensions
packet cpu write profile2
Packet CPU Write Profile

MCmd

Maddr, Mburst*, MReqInfo

Master

Slave

MCmd

SCmdAccept

SData

SResp

MRespAccept

MCmd ={ Idle | Read | ReadEx}

MBurstPrecise=1, MBurstSeq=1, MburstSingleReq=1,

INCR, STRM, WRAP

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