6. System Interface Operations
6.15 Protocol Abbreviations
The following abbreviations are used in the System interface protocols:
SysCmd[11:0] Abbreviations
- Cmd Unspecified command
- BlkRd Block read request command
- RdShd Coherent block read shared request command
- RdExc Coherent block read exclusive request command
- DSPRd Double/single/partial-word read command
- BlkWr Block write request command
- DSPWr Double/single/partial-word write request command
- Ugd Upgrade request command
- Elm Eliminate request command
- IvnShd Intervention shared request command
- IvnExc Intervention exclusive request command
- Alc Allocate request number command
- Ivd Invalidate request command
- Int Interrupt request command
- ExtCoh External coherency request command
- ReqDat Request data
- RspDat Response data
- ReqLst Request last
- RspLst Response last
- Empty Empty; SysCmd(11:0) and SysAD(63:0) are undefined
SysAD[63:0] Abbreviations
- Adr Physical address
- Dat Unspecified data
- Dat<n> Doubleword n of a block
SysState[2:0] Abbreviations
- State Unspecified state
- Ivd Invalid
- Shd Shared
- ClnExc CleanExclusive
- DrtExc DirtyExclusive
SysResp[4:0] Abbreviations
- Rsp Unspecified completion response
- ACK Acknowledge completion response
- ERR Error completion response
- NACK Negative acknowledge completion response
Master Abbreviations
- EA External agent
- Pn R10000 processor whose device number is n
- - Dead cycle
Copyright 1996, 1997, MIPS Technologies, Inc. -- 09 DEC 96
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