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New G4MH core #37
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In G4MH, the following instructions were extended from G3KH, at least |
Hi!
did you find the full list?
For the RH850 I looked into gcc sources (in particular, objdump). It's much harder to read than official spec (and it has no any explanations what is the purpose of the instruction), but if you will find such gcc branch, it will help a lot. |
The added system register I found is as follows
The added instructions are:
|
I'm using "Ghidra processor module for Renesas v850" on RH850/U2A code.
It couldn't disassemble the following binary codes.
0019e018 e9 77 20 10 ldsr param_4,Sr142,2
I made a patch for v850e3.sinc, then it could dissassemble as the above.
But "Sr142" is a temporary name, it should be "PLMR".
According to the "RH850/U2A-EVA Group User’s Manual: Hardware", many system registers were extended in U2A.
Could you please fix them?
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