Difference between revisions of "Ratrob"

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                  THIS PAGE IS UNDER CONSTUCTION
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THIS PAGE IS UNDER CONSTUCTION
  
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==Fetch Engine==
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===[[Branch Predictor I/F]]===
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*<b> <u>BPredRecoveryType </u></b>    <span style="color:Blue"> <i> OUTPUT </i></span>
  
*’’’BPredRecoveryType’’’
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:{| height=”50”
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|width=150pt |<i> '''BoolType''' </i>
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|width=100pt | <span style="color:Crimson"> <b>miss </b></span>
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|width=100pt | (1 bits)
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|-
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|width=150pt |<i> '''BoolType''' </i>
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|width=100pt | <span style="color:Crimson"> <b> taken </b></span>
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|width=100pt | (1 bits)
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|-
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|width=150pt |<i> '''AddrType''' </i>
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|width=100pt | <span style="color:Crimson"> <b> target_PC </b></span>
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|width=100pt | (32 bits)
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|-
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|width=150pt |<i> '''AddrType''' </i>
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|width=100pt | <span style="color:Crimson"> <b> addrs </b></span>
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|width=100pt | (32 bits)
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|-
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|width=150pt |<i> '''BPredStateType </i>
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|width=100pt | <span style="color:Crimson"> <b> state </b></span>
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|width=100pt | (9 bits)
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|}
  
::{| width:30%"
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*<b> <u>Status Flag</u> </b>    <span style="color:Blue"> <i> OUTPUT </i></span>
|width=100pt | '''AddrType'''
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:{| height=”50”
|width=100pt | [[target_PC]]
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|width=150pt |<i> BoolType </i>
|width=200pt | (32 bits)
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|width=100pt | <span style="color:Crimson"> <b> rr_empty </b></span>
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|width=100pt | (1 bits)
 
|}
 
|}
  
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===[[Crack I/F]]===
  
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*<b> DInst_CRType </b>    <span style="color:Blue"> <i> INPUT </i></span>
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:{| height=”50”
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|width=150pt |<i> '''BoolType''' </i>
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|width=100pt | <span style="color:Crimson"> <b> valid </b></span>
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|width=100pt | (1 bits)
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|-
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|width=150pt |<i> '''BoolType''' </i>
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|width=100pt | <span style="color:Crimson"> <b> slow </b></span>
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|width=100pt | (1 bits)
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|-
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|width=150pt |<i> '''OPType'''</i>
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|width=100pt | <span style="color:Crimson"> <b> op </b></span>
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|width=100pt | 10 bits)
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|-
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|width=150pt |<i> '''IMMType'''</i>
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|width=100pt | <span style="color:Crimson"> <b> imm </b></span>
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|width=100pt | (32 bits)
  
'''BPredRecoveryType''' OUTPUT
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|-
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|width=150pt |<i> '''BoolType''' </i>
*BoolType   
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|width=100pt | <span style="color:Crimson"> <b> expop </b></span>
&rarr; 
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|width=100pt | (1 bits)
''[[miss]]''   <sp> (1 bit) </sp>  
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|-
 
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|width=150pt |<i> '''BoolType''' </i>
 
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|width=100pt | <span style="color:Crimson"> <b> cexc </b></span>
: *BoolType taken (1 bit)
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|width=100pt | (1 bits)
 
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|-
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|width=150pt |<i> '''BoolType''' </i>
:::{| width:30%"
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|width=100pt | <span style="color:Crimson"> <b> aexc_clear </b></span>
|width=100pt | '''AddrType'''  
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|width=100pt | (1 bits)
|width=100pt | [[target_PC]]
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|-
|width=200pt | (32 bits)
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|width=150pt |<i> '''BoolType''' </i>
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|width=100pt | <span style="color:Crimson"> <b> icc </b></span>
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|width=100pt | (1 bits)
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|-
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|width=150pt |<i> '''BoolType''' </i>
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|width=100pt | <span style="color:Crimson"> <b> useY </b></span>
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|width=100pt | (1 bits)
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|-
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|width=150pt |<i> '''BPredStateType </i>
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|width=100pt | <span style="color:Crimson"> <b> state </b></span>
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|width=100pt | (9 bits)
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|-
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|width=150pt |<i> ''' ClusterIdType ''' </i>
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|width=100pt | <span style="color:Crimson"> <b> id </b></span>
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|width=100pt | (3 bits)
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|-
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|width=150pt |<i> ''' LRegType ''' </i>
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|width=100pt | <span style="color:Crimson"> <b> ldest </b></span>
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|width=100pt | (7 bits)
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|-
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|width=150pt |<i> ''' LRegType ''' </i>
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|width=100pt | <span style="color:Crimson"> <b> lsrc1</b></span>
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|width=100pt | (7 bits)
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|-
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|width=150pt |<i> ''' LRegType ''' </i>
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|width=100pt | <span style="color:Crimson"> <b> lsrc2</b></span>
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|width=100pt | (7 bits)
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|}
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*<b> Status Flag </b>    <span style="color:Blue"> <i> INPUT </i></span>
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:{| height=”50”
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|width=150pt |<i> BoolType </i>
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|width=100pt | <span style="color:Crimson"> <b> sched_busy </b></span>
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|width=100pt | (1 bits)
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|}
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*<b> Status Flag </b>    <span style="color:Blue"> <i> OUTPUT </i></span>
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:{| height=”50”
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|width=150pt |<i> BoolType </i>
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|width=100pt | <span style="color:Crimson"> <b> rr_clear </b></span>
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|width=100pt | (1 bits)
 
|}
 
|}
 
 
 
AddrType addrs (32 bits)
 
 
BPredStateType state
 

Latest revision as of 01:13, 18 May 2009

THIS PAGE IS UNDER CONSTUCTION

Fetch Engine

Branch Predictor I/F

  • BPredRecoveryType OUTPUT
BoolType miss (1 bits)
BoolType taken (1 bits)
AddrType target_PC (32 bits)
AddrType addrs (32 bits)
BPredStateType state (9 bits)
  • Status Flag OUTPUT
BoolType rr_empty (1 bits)

Crack I/F

  • DInst_CRType INPUT
BoolType valid (1 bits)
BoolType slow (1 bits)
OPType op 10 bits)
IMMType imm (32 bits)
BoolType expop (1 bits)
BoolType cexc (1 bits)
BoolType aexc_clear (1 bits)
BoolType icc (1 bits)
BoolType useY (1 bits)
BPredStateType state (9 bits)
ClusterIdType id (3 bits)
LRegType ldest (7 bits)
LRegType lsrc1 (7 bits)
LRegType lsrc2 (7 bits)
  • Status Flag INPUT
BoolType sched_busy (1 bits)
  • Status Flag OUTPUT
BoolType rr_clear (1 bits)