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Merged
aquynh merged 2 commits into from
Mar 7, 2021
Merged

RISC-V CSR output #1690

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0bc9bb4
riscv: Fix printAliasInstr
rth7680 Sep 17, 2020
cb02424
riscv: Implement printCSRSystemRegister
rth7680 Sep 17, 2020
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2 changes: 1 addition & 1 deletion arch/RISCV/RISCVGenAsmWriter.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -2594,7 +2594,7 @@ static bool printAliasInstr(MCInst *MI, SStream * OS, void *info)
} else
printOperand(MI, (unsigned)(AsmString[I++]) - 1, OS);
} else {
SStream_concat0(OS, &AsmString[I++]);
SStream_concat1(OS, AsmString[I++]);
}
} while (AsmString[I] != '\0');
}
Expand Down
269 changes: 256 additions & 13 deletions arch/RISCV/RISCVInstPrinter.c
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ static void printInstruction(MCInst *MI, SStream *O, MCRegisterInfo *MRI);
static bool printAliasInstr(MCInst *MI, SStream *OS, void *info);
static void printOperand(MCInst *MI, unsigned OpNo, SStream *O);
static void printFenceArg(MCInst *MI, unsigned OpNo, SStream *O);
static void printCSRSystemRegister(const MCInst*, unsigned, SStream *);
static void printCSRSystemRegister(MCInst*, unsigned, SStream *);
static void printFRMArg(MCInst *MI, unsigned OpNo, SStream *O);
static void printCustomAliasOperand( MCInst *, unsigned, unsigned, SStream *);
/// getRegisterName - This method is automatically generated by tblgen
Expand Down Expand Up @@ -155,21 +155,264 @@ static void printOperand(MCInst *MI, unsigned OpNo, SStream *O)
return;
}

static void printCSRSystemRegister(const MCInst *MI, unsigned OpNo,
static const char *getCSRSystemRegisterName(unsigned CsrNo)
{
switch (CsrNo) {
/*
* From RISC-V Privileged Architecture Version 1.10.
* In the same order as Table 2.5.
*/
case 0x0000: return "ustatus";
case 0x0004: return "uie";
case 0x0005: return "utvec";

case 0x0040: return "uscratch";
case 0x0041: return "uepc";
case 0x0042: return "ucause";
case 0x0043: return "utval";
case 0x0044: return "uip";

case 0x0001: return "fflags";
case 0x0002: return "frm";
case 0x0003: return "fcsr";

case 0x0c00: return "cycle";
case 0x0c01: return "time";
case 0x0c02: return "instret";
case 0x0c03: return "hpmcounter3";
case 0x0c04: return "hpmcounter4";
case 0x0c05: return "hpmcounter5";
case 0x0c06: return "hpmcounter6";
case 0x0c07: return "hpmcounter7";
case 0x0c08: return "hpmcounter8";
case 0x0c09: return "hpmcounter9";
case 0x0c0a: return "hpmcounter10";
case 0x0c0b: return "hpmcounter11";
case 0x0c0c: return "hpmcounter12";
case 0x0c0d: return "hpmcounter13";
case 0x0c0e: return "hpmcounter14";
case 0x0c0f: return "hpmcounter15";
case 0x0c10: return "hpmcounter16";
case 0x0c11: return "hpmcounter17";
case 0x0c12: return "hpmcounter18";
case 0x0c13: return "hpmcounter19";
case 0x0c14: return "hpmcounter20";
case 0x0c15: return "hpmcounter21";
case 0x0c16: return "hpmcounter22";
case 0x0c17: return "hpmcounter23";
case 0x0c18: return "hpmcounter24";
case 0x0c19: return "hpmcounter25";
case 0x0c1a: return "hpmcounter26";
case 0x0c1b: return "hpmcounter27";
case 0x0c1c: return "hpmcounter28";
case 0x0c1d: return "hpmcounter29";
case 0x0c1e: return "hpmcounter30";
case 0x0c1f: return "hpmcounter31";
case 0x0c80: return "cycleh";
case 0x0c81: return "timeh";
case 0x0c82: return "instreth";
case 0x0c83: return "hpmcounter3h";
case 0x0c84: return "hpmcounter4h";
case 0x0c85: return "hpmcounter5h";
case 0x0c86: return "hpmcounter6h";
case 0x0c87: return "hpmcounter7h";
case 0x0c88: return "hpmcounter8h";
case 0x0c89: return "hpmcounter9h";
case 0x0c8a: return "hpmcounter10h";
case 0x0c8b: return "hpmcounter11h";
case 0x0c8c: return "hpmcounter12h";
case 0x0c8d: return "hpmcounter13h";
case 0x0c8e: return "hpmcounter14h";
case 0x0c8f: return "hpmcounter15h";
case 0x0c90: return "hpmcounter16h";
case 0x0c91: return "hpmcounter17h";
case 0x0c92: return "hpmcounter18h";
case 0x0c93: return "hpmcounter19h";
case 0x0c94: return "hpmcounter20h";
case 0x0c95: return "hpmcounter21h";
case 0x0c96: return "hpmcounter22h";
case 0x0c97: return "hpmcounter23h";
case 0x0c98: return "hpmcounter24h";
case 0x0c99: return "hpmcounter25h";
case 0x0c9a: return "hpmcounter26h";
case 0x0c9b: return "hpmcounter27h";
case 0x0c9c: return "hpmcounter28h";
case 0x0c9d: return "hpmcounter29h";
case 0x0c9e: return "hpmcounter30h";
case 0x0c9f: return "hpmcounter31h";

case 0x0100: return "sstatus";
case 0x0102: return "sedeleg";
case 0x0103: return "sideleg";
case 0x0104: return "sie";
case 0x0105: return "stvec";
case 0x0106: return "scounteren";

case 0x0140: return "sscratch";
case 0x0141: return "sepc";
case 0x0142: return "scause";
case 0x0143: return "stval";
case 0x0144: return "sip";

case 0x0180: return "satp";

case 0x0f11: return "mvendorid";
case 0x0f12: return "marchid";
case 0x0f13: return "mimpid";
case 0x0f14: return "mhartid";

case 0x0300: return "mstatus";
case 0x0301: return "misa";
case 0x0302: return "medeleg";
case 0x0303: return "mideleg";
case 0x0304: return "mie";
case 0x0305: return "mtvec";
case 0x0306: return "mcounteren";

case 0x0340: return "mscratch";
case 0x0341: return "mepc";
case 0x0342: return "mcause";
case 0x0343: return "mtval";
case 0x0344: return "mip";

case 0x03a0: return "pmpcfg0";
case 0x03a1: return "pmpcfg1";
case 0x03a2: return "pmpcfg2";
case 0x03a3: return "pmpcfg3";
case 0x03b0: return "pmpaddr0";
case 0x03b1: return "pmpaddr1";
case 0x03b2: return "pmpaddr2";
case 0x03b3: return "pmpaddr3";
case 0x03b4: return "pmpaddr4";
case 0x03b5: return "pmpaddr5";
case 0x03b6: return "pmpaddr6";
case 0x03b7: return "pmpaddr7";
case 0x03b8: return "pmpaddr8";
case 0x03b9: return "pmpaddr9";
case 0x03ba: return "pmpaddr10";
case 0x03bb: return "pmpaddr11";
case 0x03bc: return "pmpaddr12";
case 0x03bd: return "pmpaddr14";
case 0x03be: return "pmpaddr13";
case 0x03bf: return "pmpaddr15";

case 0x0b00: return "mcycle";
case 0x0b02: return "minstret";
case 0x0b03: return "mhpmcounter3";
case 0x0b04: return "mhpmcounter4";
case 0x0b05: return "mhpmcounter5";
case 0x0b06: return "mhpmcounter6";
case 0x0b07: return "mhpmcounter7";
case 0x0b08: return "mhpmcounter8";
case 0x0b09: return "mhpmcounter9";
case 0x0b0a: return "mhpmcounter10";
case 0x0b0b: return "mhpmcounter11";
case 0x0b0c: return "mhpmcounter12";
case 0x0b0d: return "mhpmcounter13";
case 0x0b0e: return "mhpmcounter14";
case 0x0b0f: return "mhpmcounter15";
case 0x0b10: return "mhpmcounter16";
case 0x0b11: return "mhpmcounter17";
case 0x0b12: return "mhpmcounter18";
case 0x0b13: return "mhpmcounter19";
case 0x0b14: return "mhpmcounter20";
case 0x0b15: return "mhpmcounter21";
case 0x0b16: return "mhpmcounter22";
case 0x0b17: return "mhpmcounter23";
case 0x0b18: return "mhpmcounter24";
case 0x0b19: return "mhpmcounter25";
case 0x0b1a: return "mhpmcounter26";
case 0x0b1b: return "mhpmcounter27";
case 0x0b1c: return "mhpmcounter28";
case 0x0b1d: return "mhpmcounter29";
case 0x0b1e: return "mhpmcounter30";
case 0x0b1f: return "mhpmcounter31";
case 0x0b80: return "mcycleh";
case 0x0b82: return "minstreth";
case 0x0b83: return "mhpmcounter3h";
case 0x0b84: return "mhpmcounter4h";
case 0x0b85: return "mhpmcounter5h";
case 0x0b86: return "mhpmcounter6h";
case 0x0b87: return "mhpmcounter7h";
case 0x0b88: return "mhpmcounter8h";
case 0x0b89: return "mhpmcounter9h";
case 0x0b8a: return "mhpmcounter10h";
case 0x0b8b: return "mhpmcounter11h";
case 0x0b8c: return "mhpmcounter12h";
case 0x0b8d: return "mhpmcounter13h";
case 0x0b8e: return "mhpmcounter14h";
case 0x0b8f: return "mhpmcounter15h";
case 0x0b90: return "mhpmcounter16h";
case 0x0b91: return "mhpmcounter17h";
case 0x0b92: return "mhpmcounter18h";
case 0x0b93: return "mhpmcounter19h";
case 0x0b94: return "mhpmcounter20h";
case 0x0b95: return "mhpmcounter21h";
case 0x0b96: return "mhpmcounter22h";
case 0x0b97: return "mhpmcounter23h";
case 0x0b98: return "mhpmcounter24h";
case 0x0b99: return "mhpmcounter25h";
case 0x0b9a: return "mhpmcounter26h";
case 0x0b9b: return "mhpmcounter27h";
case 0x0b9c: return "mhpmcounter28h";
case 0x0b9d: return "mhpmcounter29h";
case 0x0b9e: return "mhpmcounter30h";
case 0x0b9f: return "mhpmcounter31h";

case 0x0323: return "mhpmevent3";
case 0x0324: return "mhpmevent4";
case 0x0325: return "mhpmevent5";
case 0x0326: return "mhpmevent6";
case 0x0327: return "mhpmevent7";
case 0x0328: return "mhpmevent8";
case 0x0329: return "mhpmevent9";
case 0x032a: return "mhpmevent10";
case 0x032b: return "mhpmevent11";
case 0x032c: return "mhpmevent12";
case 0x032d: return "mhpmevent13";
case 0x032e: return "mhpmevent14";
case 0x032f: return "mhpmevent15";
case 0x0330: return "mhpmevent16";
case 0x0331: return "mhpmevent17";
case 0x0332: return "mhpmevent18";
case 0x0333: return "mhpmevent19";
case 0x0334: return "mhpmevent20";
case 0x0335: return "mhpmevent21";
case 0x0336: return "mhpmevent22";
case 0x0337: return "mhpmevent23";
case 0x0338: return "mhpmevent24";
case 0x0339: return "mhpmevent25";
case 0x033a: return "mhpmevent26";
case 0x033b: return "mhpmevent27";
case 0x033c: return "mhpmevent28";
case 0x033d: return "mhpmevent29";
case 0x033e: return "mhpmevent30";
case 0x033f: return "mhpmevent31";

case 0x07a0: return "tselect";
case 0x07a1: return "tdata1";
case 0x07a2: return "tdata2";
case 0x07a3: return "tdata3";

case 0x07b0: return "dcsr";
case 0x07b1: return "dpc";
case 0x07b2: return "dscratch";
}
return NULL;
}

static void printCSRSystemRegister(MCInst *MI, unsigned OpNo,
//const MCSubtargetInfo &STI,
SStream *O)
{
// TODO: Not yeat implementated.
return;
//CS_ASSERT (0 && "CSR system register hav't support.");
#if 0
unsigned Imm = MI->getOperand(OpNo).getImm();
auto SysReg = RISCVSysReg::lookupSysRegByEncoding(Imm);
if (SysReg && SysReg->haveRequiredFeatures(STI.getFeatureBits()))
O << SysReg->Name;
else
O << Imm;
#endif
unsigned Imm = MCOperand_getImm(MCInst_getOperand(MI, OpNo));
const char *Name = getCSRSystemRegisterName(Imm);

if (Name) {
SStream_concat0(O, Name);
} else {
SStream_concat(O, "%u", Imm);
}
}

static void printFenceArg(MCInst *MI, unsigned OpNo, SStream *O)
Expand Down