diff options
Diffstat (limited to 'src/lib.rs')
| -rw-r--r-- | src/lib.rs | 135 |
1 files changed, 126 insertions, 9 deletions
@@ -2655,34 +2655,151 @@ fn decode_instruction< handler.on_opcode_decoded(op)?; } 0b011 => { - opcode_check!(inst & 0b0010_0000_0000_0000 == 0); + let predicated = inst & 0b0010_0000_0000_0000 != 0; let (op, wide, samt) = decode_opcode!(MEM_OPCODES[op as usize]); - if inst & 0b0001_0000_0000_0000 == 0 { + if !predicated { + if inst & 0b0001_0000_0000_0000 == 0 { + let iiii = (inst >> 5) & 0b1111; + handler.on_source_decoded(Operand::RegOffsetInc { base: xxxxx, offset: (iiii << samt) })?; + } else { + let u2 = (inst >> 5) & 0b11; + let u4 = (inst >> 8) & 0b1111; + let uuuuuu = (u2 | (u4 << 2)) as u16; + handler.on_source_decoded(Operand::RegStoreAssign { base: xxxxx, addr: uuuuuu })?; + } + if !wide { + handler.on_dest_decoded(Operand::gpr(ddddd))?; + } else { + handler.on_dest_decoded(Operand::gprpair(ddddd)?)?; + } + handler.on_opcode_decoded(op)?; + } else { let iiii = (inst >> 5) & 0b1111; + let tt = (inst >> 9) & 0b11; + let negated = (inst >> 11) & 0b1 != 0; + let dotnew = (inst >> 12) & 0b1 != 0; + + handler.inst_predicated(tt as u8, negated, dotnew)?; handler.on_source_decoded(Operand::RegOffsetInc { base: xxxxx, offset: (iiii << samt) })?; + if !wide { + handler.on_dest_decoded(Operand::gpr(ddddd))?; + } else { + handler.on_dest_decoded(Operand::gprpair(ddddd)?)?; + } + handler.on_opcode_decoded(op)?; + } + } + 0b100 => { + let shifted_reg = inst & 0b0001_0000_0000_0000 != 0; + + let (op, wide, samt) = decode_opcode!(MEM_FIFO_OPS[op as usize]); + + if !wide { + handler.on_dest_decoded(Operand::gpr(ddddd))?; + } else { + handler.on_dest_decoded(Operand::gprpair(ddddd)?)?; + } + handler.on_opcode_decoded(op)?; + + if !shifted_reg { + operand_check!(inst & 0b0000_0000_1000_0000 == 0); + + let mu = ((inst >> 13) & 1) as u8; + + handler.on_source_decoded(Operand::RegMemIndexed { base: xxxxx, mu })?; } else { + let i_hi = (inst >> 13) & 1; + let i_lo = (inst >> 7) & 1; + let ii = ((i_hi << 1) | i_lo) as u8; + let u2 = (inst >> 5) & 0b11; let u4 = (inst >> 8) & 0b1111; - let uuuuuu = (u2 | (u4 << 2)) as u16; - handler.on_source_decoded(Operand::RegStoreAssign { base: xxxxx, addr: uuuuuu })?; + let uuuuuu = (u2 | (u4 << 2)) as i16; + + handler.on_source_decoded(Operand::RegShiftOffset { base: xxxxx, shift: ii, offset: uuuuuu })?; } + } + 0b101 => { + let shifted_reg = inst & 0b0001_0000_0000_0000 != 0; + + let (op, wide, samt) = decode_opcode!(MEM_OPCODES[op as usize]); + if !wide { handler.on_dest_decoded(Operand::gpr(ddddd))?; } else { handler.on_dest_decoded(Operand::gprpair(ddddd)?)?; } handler.on_opcode_decoded(op)?; - } - 0b100 => { - } - 0b101 => { + + if !shifted_reg { + operand_check!(inst & 0b0000_0000_1000_0000 == 0); + + let mu = ((inst >> 13) & 1) as u8; + + handler.on_source_decoded(Operand::RegMemIndexed { base: xxxxx, mu })?; + } else { + let i_hi = (inst >> 13) & 1; + let i_lo = (inst >> 7) & 1; + let ii = ((i_hi << 1) | i_lo) as u8; + + let u2 = (inst >> 5) & 0b11; + let u4 = (inst >> 8) & 0b1111; + let uuuuuu = (u2 | (u4 << 2)) as i16; + + handler.on_source_decoded(Operand::RegShiftOffset { base: xxxxx, shift: ii, offset: uuuuuu })?; + } } 0b110 => { + operand_check!(inst & 0b0001_0000_1000_0000 == 0); + + let (op, wide, samt) = decode_opcode!(MEM_FIFO_OPS[op as usize]); + + let mu = ((inst >> 13) & 1) as u8; + handler.on_source_decoded(Operand::RegMemIndexedBrev { base: xxxxx, mu })?; + if !wide { + handler.on_dest_decoded(Operand::gpr(ddddd))?; + } else { + handler.on_dest_decoded(Operand::gprpair(ddddd)?)?; + } + handler.on_opcode_decoded(op)?; } _ => { - todo!("other mem op"); + // 0b111 + let predicated = inst & 0b0000_0000_1000_0000 != 0; + + let (op, wide, samt) = decode_opcode!(MEM_OPCODES[op as usize]); + + if !predicated { + operand_check!(inst & 0b0001_0000_0000_0000 == 0); + let mu = ((inst >> 13) & 1) as u8; + handler.on_source_decoded(Operand::RegMemIndexedBrev { base: xxxxx, mu })?; + if !wide { + handler.on_dest_decoded(Operand::gpr(ddddd))?; + } else { + handler.on_dest_decoded(Operand::gprpair(ddddd)?)?; + } + handler.on_opcode_decoded(op)?; + } else { + let i5 = reg_b16(inst); + let i = ((inst >> 8) & 1) as u8; + let iiiiii = (i5 << 1) | i; + let ddddd = reg_b0(inst); + + let tt = (inst >> 9) & 0b11; + let negated = (inst >> 11) & 0b1 != 0; + let dotnew = (inst >> 12) & 0b1 != 0; + + handler.inst_predicated(tt as u8, negated, dotnew)?; + handler.on_source_decoded(Operand::RegStoreAssign { base: xxxxx, addr: iiiiii as u16 })?; + if !wide { + handler.on_dest_decoded(Operand::gpr(ddddd))?; + } else { + handler.on_dest_decoded(Operand::gprpair(ddddd)?)?; + } + handler.on_opcode_decoded(op)?; + } } } } else { |