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MIPS missing rfe instruction

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mumbel 2020-04-13 15:30:21 -05:00
parent bcb825fb02
commit 734c945f6d
1 changed files with 6 additions and 0 deletions
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6
Ghidra/Processors/MIPS/data/languages/mips32Instructions.sinc
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@ -184,6 +184,12 @@ define pcodeop special2;
Status = Status | 1;
}
# http://people.cs.pitt.edu/~don/coe1502/current/Unit4a/Unit4a.html
# 0100 0010 0000 0000 0000 0000 0001 0000
:rfe is $(AMODE) & prime=0x10 & fct=0x10 & bit25=1 & copfill=0 {
Status = (Status & 0xfffffff0) | ((Status & 0x3c) >> 2);
}
# 0100 0010 0000 0000 0000 0000 0001 1000
:eret is $(AMODE) & prime=0x10 & fct=0x18 & bit25=1 & copfill=0 {
return[EPC];