avl_riscv_coverage._isa module
- avl_riscv_coverage._isa.ISA: dict[str, Encoding] = {}
Dictionary of all instruction encodings based on the reference instr_dict.json. Filtered based on supported base and extensions
- class avl_riscv_coverage._isa.Encoding(mnemonic: str, match: int, mask: int, size: int, base: str, extensions: list[str])[source]
- __init__(mnemonic: str, match: int, mask: int, size: int, base: str, extensions: list[str]) None[source]
Constructor
- Parameters:
mnemonic – Instruction mnemonic
match (int) – Opcode encoding bits
mask (int) – Opcode encoding bit mask
size (int) – Instruction size in bytes
base (str) – Instruction base (i.e. RV32/RV64)
extensions (list[str]) – List of extensions
- classmethod get_mnemonic(encoding: int) str[source]
Extract Mnemoic from the encoding
- Parameters:
encoding (int) – Post masking encoding
- Returns:
String mnemonic
- Return type:
str