470a471,667
> def format LoadByteMemoryHints() {{
> decode = '''
> {
> const uint32_t op1 = bits(machInst, 24, 23);
> const uint32_t op2 = bits(machInst, 11, 6);
> const IntRegIndex rn = (IntRegIndex)(uint32_t)bits(machInst, 19, 16);
> const IntRegIndex rt = (IntRegIndex)(uint32_t)bits(machInst, 15, 12);
> const IntRegIndex rm = (IntRegIndex)(uint32_t)bits(machInst, 3, 0);
> const uint32_t imm12 = bits(machInst, 11, 0);
> const uint32_t imm8 = bits(machInst, 7, 0);
> bool pldw = bits(machInst, 21);
> const uint32_t imm2 = bits(machInst, 5, 4);
> if (rn == 0xf) {
> if (rt == 0xf) {
> const bool add = bits(machInst, 23);
> if (bits(op1, 1) == 1) {
> if (add) {
> return new %(pli_iulit)s(machInst, INTREG_ZERO,
> INTREG_PC, true, imm12);
> } else {
> return new %(pli_ilit)s(machInst, INTREG_ZERO,
> INTREG_PC, false, imm12);
> }
> } else {
> if (add) {
> return new %(pld_iulit)s(machInst, INTREG_ZERO,
> INTREG_PC, true, imm12);
> } else {
> return new %(pld_ilit)s(machInst, INTREG_ZERO,
> INTREG_PC, false, imm12);
> }
> }
> } else {
> if (bits(op1, 1) == 1) {
> if (bits(machInst, 23)) {
> return new %(ldrsb_lit_u)s(machInst, rt, INTREG_PC,
> true, imm12);
> } else {
> return new %(ldrsb_lit)s(machInst, rt, INTREG_PC,
> false, imm12);
> }
> } else {
> if (bits(machInst, 23)) {
> return new %(ldrb_lit_u)s(machInst, rt, INTREG_PC,
> true, imm12);
> } else {
> return new %(ldrb_lit)s(machInst, rt, INTREG_PC,
> false, imm12);
> }
> }
> }
> } else if (rt == 0xf) {
> switch (op1) {
> case 0x0:
> if (op2 == 0x0) {
> if (pldw) {
> return new %(pldw_radd)s(machInst, INTREG_ZERO,
> rn, true, imm2, LSL, rm);
> } else {
> return new %(pld_radd)s(machInst, INTREG_ZERO,
> rn, true, imm2, LSL, rm);
> }
> } else if (bits(op2, 5, 2) == 0xc) {
> if (pldw) {
> return new %(pldw_isub)s(machInst, INTREG_ZERO,
> rn, false, imm8);
> } else {
> return new %(pld_isub)s(machInst, INTREG_ZERO,
> rn, false, imm8);
> }
> }
> break;
> case 0x1:
> if (pldw) {
> return new %(pldw_iadd)s(machInst, INTREG_ZERO,
> rn, true, imm12);
> } else {
> return new %(pld_iadd)s(machInst, INTREG_ZERO,
> rn, true, imm12);
> }
> case 0x2:
> if (op2 == 0x0) {
> return new %(pli_radd)s(machInst, INTREG_ZERO, rn,
> true, imm2, LSL, rm);
> } else if (bits(op2, 5, 2) == 0xc) {
> return new %(pli_ilit)s(machInst, INTREG_ZERO,
> INTREG_PC, false, imm8);
> }
> break;
> case 0x3:
> return new %(pli_iulit)s(machInst, INTREG_ZERO,
> INTREG_PC, true, imm12);
> }
> return new Unknown(machInst);
> } else {
> switch (op1) {
> case 0x0:
> if (op2 == 0) {
> return new %(ldrb_radd)s(machInst, rt, rn, true,
> imm2, LSL, rm);
> } else if (bits(op2, 5, 2) == 0xe) {
> return new %(ldrbt)s(machInst, rt, rn, true, imm8);
> } else if ((op2 & 0x24) == 0x24 || bits(op2, 5, 2) == 0xc) {
> const uint32_t puw = bits(machInst, 10, 8);
> switch (puw) {
> case 0x1:
> return new %(ldrb_iw)s(machInst, rt,
> rn, false, imm8);
> case 0x3:
> return new %(ldrb_iuw)s(machInst, rt,
> rn, true, imm8);
> case 0x4:
> return new %(ldrb_ip)s(machInst, rt,
> rn, false, imm8);
> case 0x5:
> return new %(ldrb_ipw)s(machInst, rt,
> rn, false, imm8);
> case 0x7:
> return new %(ldrb_ipuw)s(machInst, rt,
> rn, true, imm8);
> }
> }
> break;
> case 0x1:
> return new %(ldrb_iadd)s(machInst, rt, rn, true, imm12);
> case 0x2:
> if (op2 == 0) {
> return new %(ldrsb_radd)s(machInst, rt, rn, true,
> imm2, LSL, rm);
> } else if (bits(op2, 5, 2) == 0xe) {
> return new %(ldrsbt)s(machInst, rt, rn, true, imm8);
> } else if ((op2 & 0x24) == 0x24 || bits(op2, 5, 2) == 0xc) {
> const uint32_t puw = bits(machInst, 10, 8);
> switch (puw) {
> case 0x1:
> return new %(ldrsb_iw)s(machInst, rt,
> rn, false, imm8);
> case 0x3:
> return new %(ldrsb_iuw)s(machInst, rt,
> rn, true, imm8);
> case 0x4:
> return new %(ldrsb_ip)s(machInst, rt,
> rn, false, imm8);
> case 0x5:
> return new %(ldrsb_ipw)s(machInst, rt,
> rn, false, imm8);
> case 0x7:
> return new %(ldrsb_ipuw)s(machInst, rt,
> rn, true, imm8);
> }
> }
> break;
> case 0x3:
> return new %(ldrsb_iadd)s(machInst, rt, rn, true, imm12);
> }
> return new Unknown(machInst);
> }
> }
> '''
> substDict = {
> "ldrsb_lit_u" : loadImmClassName(False, True, False, 1, True),
> "ldrsb_lit" : loadImmClassName(False, False, False, 1, True),
> "ldrb_lit_u" : loadImmClassName(False, True, False, 1),
> "ldrb_lit" : loadImmClassName(False, False, False, 1),
> "ldrsb_radd" : loadRegClassName(False, True, False, 1, True),
> "ldrb_radd" : loadRegClassName(False, True, False, 1),
> "ldrsb_iw" : loadImmClassName(True, False, True, 1, True),
> "ldrsb_iuw" : loadImmClassName(True, True, True, 1, True),
> "ldrsb_ip" : loadImmClassName(False, False, False, 1, True),
> "ldrsb_ipw" : loadImmClassName(False, False, True, 1, True),
> "ldrsb_ipuw" : loadImmClassName(False, True, True, 1, True),
> "ldrsb_iadd" : loadImmClassName(False, True, False, 1, True),
> "ldrb_iw" : loadImmClassName(True, False, True, 1),
> "ldrb_iuw" : loadImmClassName(True, True, True, 1),
> "ldrb_ip" : loadImmClassName(False, False, False, 1),
> "ldrb_ipw" : loadImmClassName(False, False, True, 1),
> "ldrb_ipuw" : loadImmClassName(False, True, True, 1),
> "ldrb_iadd" : loadImmClassName(False, True, False, 1),
> "ldrbt" : loadImmClassName(False, True, False, 1, user=True),
> "ldrsbt" : loadImmClassName(False, True, False, 1, True, user=True),
> "pldw_radd" : "PLDW_" + loadRegClassName(False, True, False, 1),
> "pld_radd" : "PLD_" + loadRegClassName(False, True, False, 1),
> "pldw_isub" : "PLDW_" + loadImmClassName(False, False, False, 1),
> "pld_isub" : "PLD_" + loadImmClassName(False, False, False, 1),
> "pldw_iadd" : "PLDW_" + loadImmClassName(False, True, False, 1),
> "pld_iadd" : "PLD_" + loadImmClassName(False, True, False, 1),
> "pld_iulit" : "PLD_" + loadImmClassName(False, True, False, 1),
> "pld_ilit" : "PLD_" + loadImmClassName(False, False, False, 1),
> "pli_iulit" : "PLI_" + loadImmClassName(False, True, False, 1),
> "pli_ilit" : "PLI_" + loadImmClassName(False, False, False, 1),
> "pli_radd" : "PLI_" + loadRegClassName(False, True, False, 1),
> "pli_iulit" : "PLI_" + loadImmClassName(False, True, False, 1),
> "pli_ilit" : "PLI_" + loadImmClassName(False, False, False, 1)
> }
> decode_block = decode % substDict
> }};
>