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P2020 "tlbwe" synchronization requirements

Question asked by Eugene Abramsky on Aug 5, 2015
Latest reply on Aug 5, 2015 by Scott Wood

Hi,

It is written on "PowerPC e500 Core Family Reference Manual, Rev. 1" document "Table 3-3. Data Access Synchronization Requirements"

that "tlbwe" command requires using CSI before and after and possibly msync.

1. In what cases should I use msync?

2. Should I use "tlbsync" instead CSI + msync after the "tlbwe" command?

 

Note: CSI indicates any context-synchronizing instruction (that is, sc, isync, rfci or rfi).

 

 

 

 

 

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