mirror of
https://github.com/dingusdev/dingusppc.git
synced 2024-07-01 01:29:50 +00:00
313 lines
14 KiB
Python
313 lines
14 KiB
Python
def gen_ppc_opcode(opc_str, imm):
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if opc_str == "ADD":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x10A << 1)
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elif opc_str == "ADD.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x10A << 1) + 1
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elif opc_str == "ADDC":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0xA << 1)
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elif opc_str == "ADDC.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0xA << 1) + 1
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elif opc_str == "ADDCO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x20A << 1)
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elif opc_str == "ADDCO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x20A << 1) + 1
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elif opc_str == "ADDO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x30A << 1)
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elif opc_str == "ADDO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x30A << 1) + 1
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elif opc_str == "ADDE":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x8A << 1)
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elif opc_str == "ADDE.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x8A << 1) + 1
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elif opc_str == "ADDEO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x28A << 1)
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elif opc_str == "ADDEO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x28A << 1) + 1
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elif opc_str == "ADDI":
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return (0x0E << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "ADDIC":
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return (0x0C << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "ADDIC.":
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return (0x0D << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "ADDIS":
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return (0x0F << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "ADDME":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0xEA << 1)
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elif opc_str == "ADDME.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0xEA << 1) + 1
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elif opc_str == "ADDMEO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x2EA << 1)
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elif opc_str == "ADDMEO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x2EA << 1) + 1
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elif opc_str == "ADDZE":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0xCA << 1)
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elif opc_str == "ADDZE.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0xCA << 1) + 1
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elif opc_str == "ADDZEO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x2CA << 1)
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elif opc_str == "ADDZEO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x2CA << 1) + 1
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elif opc_str == "AND":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x1C << 1)
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elif opc_str == "AND.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x1C << 1) + 1
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elif opc_str == "ANDC":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x3C << 1)
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elif opc_str == "ANDC.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x3C << 1) + 1
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elif opc_str == "ANDI.":
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return (0x1C << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "ANDIS.":
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return (0x1D << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "CMP":
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return (0x1F << 26) + (3 << 16) + (4 << 11)
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elif opc_str == "CMPI":
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return (0x0B << 26) + (0 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "CMPL":
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return (0x1F << 26) + (3 << 16) + (4 << 11) + (0x20 << 1)
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elif opc_str == "CMPLI":
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return (0x0A << 26) + (0 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "CNTLZW":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x1A << 1)
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elif opc_str == "CNTLZW.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x1A << 1) + 1
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elif opc_str == "DIVW":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x1EB << 1)
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elif opc_str == "DIVW.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x1EB << 1) + 1
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elif opc_str == "DIVWO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x3EB << 1)
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elif opc_str == "DIVWO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x3EB << 1) + 1
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elif opc_str == "DIVWU":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x1CB << 1)
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elif opc_str == "DIVWU.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x1CB << 1) + 1
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elif opc_str == "DIVWUO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x3CB << 1)
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elif opc_str == "DIVWUO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x3CB << 1) + 1
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elif opc_str == "EQV":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x11C << 1)
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elif opc_str == "EQV.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x11C << 1) + 1
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elif opc_str == "EXTSB":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x3BA << 1)
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elif opc_str == "EXTSB.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x3BA << 1) + 1
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elif opc_str == "EXTSH":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x39A << 1)
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elif opc_str == "EXTSH.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x39A << 1) + 1
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elif opc_str == "MULHW":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x4B << 1)
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elif opc_str == "MULHW.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x4B << 1) + 1
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elif opc_str == "MULHWU":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0xB << 1)
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elif opc_str == "MULHWU.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0xB << 1) + 1
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elif opc_str == "MULLI":
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return (0x07 << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "MULLW":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0xEB << 1)
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elif opc_str == "MULLW.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0xEB << 1) + 1
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elif opc_str == "MULLWO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x2EB << 1)
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elif opc_str == "MULLWO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x2EB << 1) + 1
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elif opc_str == "NAND":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x1DC << 1)
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elif opc_str == "NAND.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x1DC << 1) + 1
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elif opc_str == "NEG":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x68 << 1)
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elif opc_str == "NEG.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x68 << 1) + 1
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elif opc_str == "NEGO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x268 << 1)
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elif opc_str == "NEGO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x268 << 1) + 1
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elif opc_str == "NOR":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x7C << 1)
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elif opc_str == "NOR.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x7C << 1) + 1
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elif opc_str == "OR":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x1BC << 1)
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elif opc_str == "OR.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x1BC << 1) + 1
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elif opc_str == "ORC":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x19C << 1)
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elif opc_str == "ORC.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x19C << 1) + 1
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elif opc_str == "ORI":
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return (0x18 << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "ORIS":
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return (0x19 << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "SLW":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x18 << 1)
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elif opc_str == "SLW.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x18 << 1) + 1
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elif opc_str == "SRAW":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x318 << 1)
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elif opc_str == "SRAW.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x318 << 1) + 1
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elif opc_str == "SRAWI":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + ((imm & 0x1F) << 11) + (0x338 << 1)
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elif opc_str == "SRAWI.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + ((imm & 0x1F) << 11) + (0x338 << 1) + 1
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elif opc_str == "SRW":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x218 << 1)
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elif opc_str == "SRW.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x218 << 1) + 1
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elif opc_str == "SUBF":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x28 << 1)
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elif opc_str == "SUBF.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x28 << 1) + 1
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elif opc_str == "SUBFO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x228 << 1)
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elif opc_str == "SUBFO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x228 << 1) + 1
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elif opc_str == "SUBFC":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x8 << 1)
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elif opc_str == "SUBFC.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x8 << 1) + 1
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elif opc_str == "SUBFCO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x208 << 1)
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elif opc_str == "SUBFCO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x208 << 1) + 1
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elif opc_str == "SUBFE":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x88 << 1)
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elif opc_str == "SUBFE.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x88 << 1) + 1
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elif opc_str == "SUBFEO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x288 << 1)
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elif opc_str == "SUBFEO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x288 << 1) + 1
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elif opc_str == "SUBFIC":
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return (0x08 << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "SUBFME":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0xE8 << 1)
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elif opc_str == "SUBFME.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0xE8 << 1) + 1
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elif opc_str == "SUBFMEO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x2E8 << 1)
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elif opc_str == "SUBFMEO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x2E8 << 1) + 1
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elif opc_str == "SUBFZE":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0xC8 << 1)
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elif opc_str == "SUBFZE.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0xC8 << 1) + 1
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elif opc_str == "SUBFZEO":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x2C8 << 1)
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elif opc_str == "SUBFZEO.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (0x2C8 << 1) + 1
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elif opc_str == "XOR":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x13C << 1)
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elif opc_str == "XOR.":
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return (0x1F << 26) + (3 << 21) + (3 << 16) + (4 << 11) + (0x13C << 1) + 1
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elif opc_str == "XORI":
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return (0x1A << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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elif opc_str == "XORIS":
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return (0x1B << 26) + (3 << 21) + (3 << 16) + (imm & 0xFFFF)
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def gen_rot_opcode(opc_str, sh, mb, me):
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if opc_str == "RLWIMI":
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return (0x14 << 26) + (4 << 21) + (3 << 16) + (sh << 11) + (mb << 6) + (me << 1)
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elif opc_str == "RLWIMI.":
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return (0x14 << 26) + (4 << 21) + (3 << 16) + (sh << 11) + (mb << 6) + (me << 1) + 1
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elif opc_str == "RLWINM":
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return (0x15 << 26) + (4 << 21) + (3 << 16) + (sh << 11) + (mb << 6) + (me << 1)
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elif opc_str == "RLWINM.":
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return (0x15 << 26) + (4 << 21) + (3 << 16) + (sh << 11) + (mb << 6) + (me << 1) + 1
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def extract_imm(line):
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pos = 12
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while pos < len(line):
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reg_id = line[pos:pos+4]
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if reg_id.startswith("rD") or reg_id.startswith("rA"):
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pos += 16
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elif reg_id.startswith("rB"):
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pos += 16
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elif reg_id.startswith("XER:"):
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pos += 18
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elif reg_id.startswith("CR:"):
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pos += 17
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elif reg_id.startswith("imm"):
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return int(line[pos+4:pos+14], base=16)
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return 0
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def extract_rot_params(line):
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pos = 12
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sh = 0
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mb = 0
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me = 0
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while pos < len(line):
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reg_id = line[pos:pos+4]
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if reg_id.startswith("rD") or reg_id.startswith("rA") or reg_id.startswith("rB") or reg_id.startswith("rS"):
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pos += 16
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elif reg_id.startswith("XER:"):
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pos += 18
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elif reg_id.startswith("CR:"):
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pos += 17
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elif reg_id.startswith("SH"):
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sh = int(line[pos+3:pos+13], base=16)
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pos += 16
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elif reg_id.startswith("MB"):
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mb = int(line[pos+3:pos+13], base=16)
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pos += 16
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elif reg_id.startswith("ME"):
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me = int(line[pos+3:pos+13], base=16)
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pos += 16
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return (sh, mb, me)
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with open("ppcinttest.txt", "r") as in_file:
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with open("ppcinttests.csv", "w") as out_file:
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lineno = 0
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for line in in_file:
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lineno += 1
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line = line.strip()
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opcode = (line[0:8]).rstrip().upper()
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out_file.write(opcode + ",")
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if opcode.startswith("RLWI"):
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sh, mb, me = extract_rot_params(line)
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out_file.write("0x{:X}".format(gen_rot_opcode(opcode, sh, mb, me)))
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else:
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imm = extract_imm(line)
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out_file.write("0x{:X}".format(gen_ppc_opcode(opcode, imm)))
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pos = 12
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while pos < len(line):
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reg_id = line[pos:pos+4]
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if reg_id.startswith("rD"):
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out_file.write(",rD=" + line[pos+3:pos+13])
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pos += 16
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elif reg_id.startswith("rA"):
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out_file.write(",rA=" + line[pos+3:pos+13])
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pos += 16
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elif reg_id.startswith("rB") or reg_id.startswith("rS"):
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out_file.write(",rB=" + line[pos+3:pos+13])
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pos += 16
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elif reg_id.startswith("XER:"):
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out_file.write(",XER=" + line[pos+5:pos+15])
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pos += 18
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elif reg_id.startswith("CR:"):
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out_file.write(",CR=" + line[pos+4:pos+14])
|
|
pos += 17
|
|
elif reg_id.startswith("imm"):
|
|
pos += 17 # ignore immediate operands
|
|
elif reg_id.startswith("SH"):
|
|
pos += 16
|
|
elif reg_id.startswith("MB") or reg_id.startswith("ME"):
|
|
pos += 16
|
|
else:
|
|
out_file.write("Unknown reg ID" + reg_id)
|
|
break
|
|
|
|
out_file.write("\n")
|