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VR4102 Datasheet(PDF) 678 Page - NEC

Part # VR4102
Description  64/32-bit Microprocessor
PDF  701 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

VR4102 Datasheet(HTML) 678 Page - NEC

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CHAPTER 28 VR4102 COPROCESSOR 0 HAZARDS
678
Table 28-1. VR4102 Coprocessor 0 Hazards
Source
Destination
Instruction or Event
CP0 Data Used,
Stage Used
No. of
cycles
CP0 Data Written,
Stage Available
No. of
cycles
MTC0
CPR [rd]
5
MFC0
CPR [rd]
3
TLBR
Index, TLB
2
PageMask, EntryHi,
EntryLo0, EntryLo1
5
TLBWI
TLBWR
Index or Random,
PageMask, EntryHi,
EntryLo0, EntryLo1
2TLB
5
TLBP
PageMask, EntryHi
2
Index
6
ERET
EPC or ErrorEPC, TLB
2
Status [EXL, ERL]
4
Status
2
CACHE Index Load
Tag
TagLo, TagHi, PErr
5
CACHE Index Store
Tag
TagLo, TagHi, PErr
3
CACHE Hit ops.
cache line
3
cache line
5
Load/Store
EntryHi [ASID], Status
[KSU, EXL, ERL, RE],
Config [K0C], TLB
3
Config [AD, EP]
3
WatchHi, WatchLo
3
Load/Store exception
EPC, Status, Cause,
BadVAddr, Context, XContext
5
Instruction fetch
EPC, Status
4
exception
Cause, BadVAddr, Context,
XContext
5
Instruction fetch
EntryHi [ASID], Status
[KSU, EXL, ERL, RE],
Config [K0C]
2
TLB
2
Coproc. usable test
Status [CU, KSU, EXL,
ERL]
2
Interrupt signals
sampled
Cause [IP], Status [IM, IE,
EXL, ERL]
2
TLB shutdown
Status [TS]
2 (Inst.),
4 (Data)



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