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use yaxpeax_arch::Decoder;
use yaxpeax_arch::StandardDecodeError as DecodeError;
// these instructions are just what i think the manual says
#[track_caller]
fn test_display(bytes: &[u8], text: &str) {
let decoder = yaxpeax_hexagon::InstDecoder::default();
let inst = decoder.decode(&mut yaxpeax_arch::U8Reader::new(bytes)).expect("decode succeeds");
let rendered = format!("{}", inst);
assert_eq!(rendered, text);
}
#[track_caller]
fn test_invalid(bytes: &[u8], expected: DecodeError) {
let decoder = yaxpeax_hexagon::InstDecoder::default();
let err = decoder.decode(&mut yaxpeax_arch::U8Reader::new(bytes)).unwrap_err();
assert_eq!(err, expected);
}
#[test]
fn supervisor() {
test_display(&0b0110_0111000_00010_11_0011010_0000110u32.to_le_bytes(), "{ S6 = R2 }");
test_display(&0b0110_1101000_00010_11_0011010_0000110u32.to_le_bytes(), "{ S7:6 = R3:2 }");
test_display(&0b0110_11101_0100010_11_000000000_00110u32.to_le_bytes(), "{ R6 = S34 }");
test_display(&0b0110_11110_0100010_11_000000000_00110u32.to_le_bytes(), "{ R7:6 = S35:34 }");
test_display(&0b0110_1100000_00010_11_0_01101_00000000u32.to_le_bytes(), "{ tlbw(R3:2, R13) }");
test_invalid(&0b0110_1100000_00010_11_1_01101_00000000u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_display(&0b0110_1100010_00010_11_0_00000000_01000u32.to_le_bytes(), "{ R9:8 = tlbr(R2) }");
test_display(&0b0110_1100100_00010_11_0_00000000_01000u32.to_le_bytes(), "{ R8 = tlbp(R2) }");
test_display(&0b0110_1100101_00010_11_0_00000000_01000u32.to_le_bytes(), "{ tlbinvasid(R2) }");
test_display(&0b0110_1100110_00010_11_0_01001000_01000u32.to_le_bytes(), "{ R8 = ctlbw(R3:2, R9) }");
test_invalid(&0b0110_1100110_00010_11_1_00000000_01000u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_display(&0b0110_1100111_00010_11_0_00000000_01000u32.to_le_bytes(), "{ R8 = tlboc(R3:2) }");
}
#[test]
fn general() {
test_invalid(&0b0111_0000010_00000_11_0_0_0000_000_00000u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_display(&0b0111_0000000_00011_11_1_0_1101_000_00100u32.to_le_bytes(), "{ if (!P1.new) R4 = aslh(R3) }");
test_display(&0b0111_0000011_00001_11_0_0_0000_000_00100u32.to_le_bytes(), "{ R4 = R1 }");
test_display(&0b0111_0001011_00010_11_0_0_0000_001_00000u32.to_le_bytes(), "{ R2.L = #0x4020 }");
test_display(&0b0111_0001101_00010_11_0_0_0000_001_00000u32.to_le_bytes(), "{ R2.L = #0x8020 }");
test_display(&0b0111_0010101_00010_11_0_0_0000_001_00000u32.to_le_bytes(), "{ R2.H = #0x8020 }");
test_display(&0b0111_0011001_00110_11_0_0_0000_111_10000u32.to_le_bytes(), "{ R16 = mux(P1, R6, #7) }");
test_display(&0b0111_0011101_00110_11_0_0_0000_111_10000u32.to_le_bytes(), "{ R16 = mux(P1, #7, R6) }");
test_display(&0b0111_0011000_00110_11_1_0_0000_111_10000u32.to_le_bytes(), "{ R17:16 = combine(R6, #7) }");
test_display(&0b0111_0011001_00110_11_1_0_0000_111_10000u32.to_le_bytes(), "{ R17:16 = combine(#7, R6) }");
test_display(&0b0111_0011010_00110_11_1_0_0000_111_10000u32.to_le_bytes(), "{ R16 = cmp.eq(R6, #7) }");
test_display(&0b0111_0011011_00110_11_1_0_0000_111_10000u32.to_le_bytes(), "{ R16 = !cmp.eq(R6, #7) }");
test_display(&0b0111_0100010_00110_11_0_0_0000_111_10000u32.to_le_bytes(), "{ if (P2) R16 = add(R6, #7) }");
test_display(&0b0111_0100010_00110_11_1_0_0000_111_10000u32.to_le_bytes(), "{ if (P2.new) R16 = add(R6, #7) }");
test_display(&0b0111_0100110_00110_11_1_0_0000_111_10000u32.to_le_bytes(), "{ if (!P2.new) R16 = add(R6, #7) }");
test_display(&0b0111_0101001_00110_11_1_0_0000_111_00001u32.to_le_bytes(), "{ P1 = cmp.eq(R6, #-249) }");
test_display(&0b0111_0101001_00110_11_1_0_0000_111_10001u32.to_le_bytes(), "{ P1 = !cmp.eq(R6, #-249) }");
test_display(&0b0111_0101011_00110_11_1_0_0000_111_10001u32.to_le_bytes(), "{ P1 = !cmp.gt(R6, #-249) }");
test_display(&0b0111_0101100_00110_11_1_0_0000_111_10001u32.to_le_bytes(), "{ P1 = !cmp.gtu(R6, #0x107) }");
test_invalid(&0b0111_0101101_00110_11_1_0_0000_111_10001u32.to_le_bytes(), DecodeError::InvalidOperand);
test_invalid(&0b0111_0101110_00110_11_1_0_0000_111_10001u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_display(&0b0111_0110001_00110_11_1_0_0000_111_10001u32.to_le_bytes(), "{ R17 = and(R6, #-249) }");
test_display(&0b0111_0110011_00110_11_1_0_0000_111_10001u32.to_le_bytes(), "{ R17 = sub(#-249, R6) }");
test_display(&0b0111_0110101_00110_11_1_0_0000_111_10001u32.to_le_bytes(), "{ R17 = or(R6, #-249) }");
test_invalid(&0b0111_0110111_00110_11_1_0_0000_111_10001u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_invalid(&0b0111_0111111_00110_11_1_0_0000_111_10001u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_display(&0b0111_1000110_00110_11_1_0_0000_111_10001u32.to_le_bytes(), "{ R17 = #-15929 }");
test_display(&0b0111_1100010_00000_11_1_0_0000_111_10000u32.to_le_bytes(), "{ R17:16 = combine(#7, #-127) }");
test_display(&0b0111_1100100_10000_11_1_0_0000_111_10000u32.to_le_bytes(), "{ R17:16 = combine(#7, #0x21) }");
test_invalid(&0b0111_1101100_10000_11_1_0_0000_111_10000u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_display(&0b0111_1110010_00100_11_0_0_0000_111_10000u32.to_le_bytes(), "{ if (P2) R16 = #1031 }");
test_display(&0b0111_1110110_00100_11_1_0_0000_111_10000u32.to_le_bytes(), "{ if (!P2.new) R16 = #1031 }");
test_display(&0b0011_0010110_00100_11_1_0_0010_101_10000u32.to_le_bytes(), "{ if (P1.new) R17:16 = memd(R4 + R2<<3) }");
test_display(&0b0011_0010110_00100_11_1_0_0010_101_10000u32.to_le_bytes(), "{ if (P1.new) R17:16 = memd(R4 + R2<<3) }");
test_display(&0b0011_0101011_00100_11_1_0_0010_101_10000u32.to_le_bytes(), "{ if (!P1) memh(R4 + R2<<3) = R16.H }");
test_display(&0b0011_0101101_00100_11_1_0_0010_101_10010u32.to_le_bytes(), "{ if (!P1) memw(R4 + R2<<3) = R2.new }");
test_display(&0b0011_0101101_00100_11_1_0_0010_101_10010u32.to_le_bytes(), "{ if (!P1) memw(R4 + R2<<3) = R2.new }");
test_invalid(&0b0011_0101111_00100_11_1_0_0010_101_10010u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_invalid(&0b0011_0110001_00100_11_1_0_0010_101_10010u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_invalid(&0b0011_0110111_00100_11_1_0_0010_101_10010u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_invalid(&0b0011_0111001_00100_11_1_0_0010_101_10010u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_invalid(&0b0011_0111111_00100_11_1_0_0010_101_10010u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_display(&0b0011_1000000_00100_11_1_0_0010_101_11111u32.to_le_bytes(), "{ if (P1) memb(R4+#5) = #-1 }");
test_display(&0b0011_1000100_00100_11_1_0_0010_101_11111u32.to_le_bytes(), "{ if (!P1) memb(R4+#5) = #-1 }");
test_invalid(&0b0011_1000111_00100_11_1_0_0010_101_11111u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_display(&0b0011_1010000_00100_11_1_0_0010_100_11111u32.to_le_bytes(), "{ R31 = memb(R4 + R2<<3) }");
test_display(&0b0011_1010001_00100_11_1_0_0010_100_11110u32.to_le_bytes(), "{ R31:30 = memub(R4 + R2<<3) }");
test_display(&0b0011_1011010_00100_11_1_0_0010_100_11110u32.to_le_bytes(), "{ memh(R4 + R2<<3) = R30 }");
test_display(&0b0011_1011011_00100_11_1_0_0010_100_11110u32.to_le_bytes(), "{ memh(R4 + R2<<3) = R30.H }");
test_display(&0b0011_1011101_00100_11_1_0_0010_100_10110u32.to_le_bytes(), "{ memw(R4 + R2<<3) = R6.new }");
test_display(&0b0010_00000001_0100_11_0_00010_100_10110u32.to_le_bytes(), "{ if (cmp.eq(R4.new, R2)) jump:nt #812 }");
test_display(&0b0010_00000001_0100_11_1_00010_100_10110u32.to_le_bytes(), "{ if (cmp.eq(R4.new, R2)) jump:t #812 }");
test_display(&0b0010_00000101_0100_11_0_00010_100_10110u32.to_le_bytes(), "{ if (!cmp.eq(R4.new, R2)) jump:nt #812 }");
test_display(&0b0010_00001001_0100_11_0_00010_100_10110u32.to_le_bytes(), "{ if (cmp.gt(R4.new, R2)) jump:nt #812 }");
test_display(&0b0010_00001101_0100_11_0_00010_100_10110u32.to_le_bytes(), "{ if (!cmp.gt(R4.new, R2)) jump:nt #812 }");
test_display(&0b0010_00010001_0100_11_0_00010_100_10110u32.to_le_bytes(), "{ if (cmp.gtu(R4.new, R2)) jump:nt #812 }");
test_display(&0b0010_00010101_0100_11_0_00010_100_10110u32.to_le_bytes(), "{ if (!cmp.gtu(R4.new, R2)) jump:nt #812 }");
test_display(&0b0010_00011001_0100_11_0_00010_100_10110u32.to_le_bytes(), "{ if (cmp.gt(R2, R4.new)) jump:nt #812 }");
test_display(&0b0010_00100101_0100_11_0_00010_100_10110u32.to_le_bytes(), "{ if (!cmp.gtu(R2, R4.new)) jump:nt #812 }");
test_invalid(&0b0010_00101101_0100_11_0_00010_100_10110u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_invalid(&0b0010_00110101_0100_11_0_00010_100_10110u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_invalid(&0b0010_00111101_0100_11_0_00010_100_10110u32.to_le_bytes(), DecodeError::InvalidOpcode);
test_display(&0b0010_01000001_0100_11_0_00010_100_10110u32.to_le_bytes(), "{ if (cmp.eq(R4.new, #2)) jump:nt #812 }");
test_display(&0b0010_01010101_0100_11_1_00010_100_10110u32.to_le_bytes(), "{ if (!cmp.gtu(R4.new, #2)) jump:t #812 }");
test_display(&0b0010_01011001_0100_11_0_00010_100_10110u32.to_le_bytes(), "{ if (tstbit(R4.new, #0)) jump:nt #812 }");
test_display(&0b0010_01011101_0100_11_1_00010_100_10110u32.to_le_bytes(), "{ if (!tstbit(R4.new, #0)) jump:t #812 }");
test_display(&0b0010_01101101_0100_11_1_00010_100_10110u32.to_le_bytes(), "{ if (!cmp.gt(R4.new, #-1)) jump:t #812 }");
test_display(&0b1011_1000001_00100_11_1_0_0000_001_10110u32.to_le_bytes(), "{ R22 = add(R4, #-31999) }");
// TODO: testcase for Rn=add(pc,#nn)
}
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