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Jean-François Nguyen
331e4b76ba
Before this commit, instructions were defined by a sequence of Const for fixed fields (e.g. PO/XO) and AnyConst for others (e.g. operands). This approach restricted their use to BMC use-cases, and prevented them from appearing in VCD traces. After this commit, an instruction encoding is defined by a Record. As fields can now be set to arbitrary values, the corresponding InsnSpec will only assert `pfv.stb` if `pfv.insn` matches a valid encoding (i.e. fixed fields have correct values). On the other side, BMC testbenches will drive `pfv.insn` with an AnyConst, and assume `pfv.stb` is high. |
2 years ago | |
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| .. | ||
| __init__.py | 2 years ago | |
| addsub.py | ||
| all.py | 2 years ago | |
| bcd.py | ||
| branch.py | ||
| byterev.py | ||
| compare.py | 2 years ago | |
| cr.py | 2 years ago | |
| loadstore.py | ||
| logical.py | ||
| msr.py | ||
| muldiv.py | 2 years ago | |
| rotate.py | ||
| spr.py | ||
| syscall.py | 2 years ago | |
| trap.py | 2 years ago | |