X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Farch%2Friscv%2Fregisters.hh;h=7f7cefee9bb41cbc571bd94d4f179d57cb98499d;hb=5edfb67041ad1c246f4ceca147f06b9db3c0ecc3;hp=6ae1c1691084b47cd40f52367d10c7fecdd4df51;hpb=00da08902918da13fccc3f2266b7b2f5d0080708;p=gem5.git diff --git a/src/arch/riscv/registers.hh b/src/arch/riscv/registers.hh index 6ae1c1691..7f7cefee9 100644 --- a/src/arch/riscv/registers.hh +++ b/src/arch/riscv/registers.hh @@ -49,8 +49,10 @@ #include #include +#include #include "arch/generic/types.hh" +#include "arch/generic/vec_pred_reg.hh" #include "arch/generic/vec_reg.hh" #include "arch/isa_traits.hh" #include "arch/riscv/generated/max_inst_regs.hh" @@ -62,27 +64,37 @@ using RiscvISAInst::MaxInstSrcRegs; using RiscvISAInst::MaxInstDestRegs; const int MaxMiscDestRegs = 1; -typedef uint64_t IntReg; -typedef uint64_t FloatRegBits; -typedef double FloatReg; +typedef RegVal IntReg; +typedef RegVal FloatReg; typedef uint8_t CCReg; // Not applicable to Riscv -typedef uint64_t MiscReg; +typedef RegVal MiscReg; -// dummy typedefs since we don't have vector regs -const unsigned NumVecElemPerVecReg = 2; -using VecElem = uint32_t; -using VecReg = ::VecRegT; -using ConstVecReg = ::VecRegT; -using VecRegContainer = VecReg::Container; +// Not applicable to RISC-V +using VecElem = ::DummyVecElem; +using VecReg = ::DummyVecReg; +using ConstVecReg = ::DummyConstVecReg; +using VecRegContainer = ::DummyVecRegContainer; +constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg; +constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes; + +// Not applicable to RISC-V +using VecPredReg = ::DummyVecPredReg; +using ConstVecPredReg = ::DummyConstVecPredReg; +using VecPredRegContainer = ::DummyVecPredRegContainer; +constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits; +constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr; const int NumIntArchRegs = 32; const int NumMicroIntRegs = 1; const int NumIntRegs = NumIntArchRegs + NumMicroIntRegs; const int NumFloatRegs = 32; -// This has to be one to prevent warnings that are treated as errors -const unsigned NumVecRegs = 1; + +const unsigned NumVecRegs = 1; // Not applicable to RISC-V + // (1 to prevent warnings) +const int NumVecPredRegs = 1; // Not applicable to RISC-V + // (1 to prevent warnings) + const int NumCCRegs = 0; -const int NumMiscRegs = 4096; // Semantically meaningful register indices const int ZeroReg = 0; @@ -91,109 +103,628 @@ const int StackPointerReg = 2; const int GlobalPointerReg = 3; const int ThreadPointerReg = 4; const int FramePointerReg = 8; -const int ReturnValueRegs[] = {10, 11}; -const int ReturnValueReg = ReturnValueRegs[0]; -const int ArgumentRegs[] = {10, 11, 12, 13, 14, 15, 16, 17}; +const int ReturnValueReg = 10; +const std::vector ReturnValueRegs = {10, 11}; +const std::vector ArgumentRegs = {10, 11, 12, 13, 14, 15, 16, 17}; const int AMOTempReg = 32; -const char* const RegisterNames[] = {"zero", "ra", "sp", "gp", +const int SyscallPseudoReturnReg = 10; +const std::vector SyscallArgumentRegs = {10, 11, 12, 13, 14, 15, 16}; +const int SyscallNumReg = 17; + +const std::vector IntRegNames = { + "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", "s8", "s9", "s10", "s11", - "t3", "t4", "t5", "t6"}; - -const int SyscallNumReg = ArgumentRegs[7]; -const int SyscallArgumentRegs[] = {ArgumentRegs[0], ArgumentRegs[1], - ArgumentRegs[2], ArgumentRegs[3]}; -const int SyscallPseudoReturnReg = ReturnValueRegs[0]; + "t3", "t4", "t5", "t6" +}; +const std::vector FloatRegNames = { + "ft0", "ft1", "ft2", "ft3", + "ft4", "ft5", "ft6", "ft7", + "fs0", "fs1", "fa0", "fa1", + "fa2", "fa3", "fa4", "fa5", + "fa6", "fa7", "fs2", "fs3", + "fs4", "fs5", "fs6", "fs7", + "fs8", "fs9", "fs10", "fs11", + "ft8", "ft9", "ft10", "ft11" +}; -const int NumHpmcounter = 29; -const int NumHpmcounterh = 29; -const int NumMhpmcounter = 29; -const int NumMhpmevent = 29; enum MiscRegIndex { - MISCREG_USTATUS = 0x000, - MISCREG_UIE = 0x004, - MISCREG_UTVEC = 0x005, - MISCREG_USCRATCH = 0x040, - MISCREG_UEPC = 0x041, - MISCREG_UCAUSE = 0x042, - MISCREG_UBADADDR = 0x043, - MISCREG_UIP = 0x044, - MISCREG_FFLAGS = 0x001, - MISCREG_FRM = 0x002, - MISCREG_FCSR = 0x003, - MISCREG_CYCLE = 0xC00, - MISCREG_TIME = 0xC01, - MISCREG_INSTRET = 0xC02, - MISCREG_HPMCOUNTER_BASE = 0xC03, - MISCREG_CYCLEH = 0xC80, - MISCREG_TIMEH = 0xC81, - MISCREG_INSTRETH = 0xC82, - MISCREG_HPMCOUNTERH_BASE = 0xC83, - - MISCREG_SSTATUS = 0x100, - MISCREG_SEDELEG = 0x102, - MISCREG_SIDELEG = 0x103, - MISCREG_SIE = 0x104, - MISCREG_STVEC = 0x105, - MISCREG_SSCRATCH = 0x140, - MISCREG_SEPC = 0x141, - MISCREG_SCAUSE = 0x142, - MISCREG_SBADADDR = 0x143, - MISCREG_SIP = 0x144, - MISCREG_SPTBR = 0x180, - - MISCREG_HSTATUS = 0x200, - MISCREG_HEDELEG = 0x202, - MISCREG_HIDELEG = 0x203, - MISCREG_HIE = 0x204, - MISCREG_HTVEC = 0x205, - MISCREG_HSCRATCH = 0x240, - MISCREG_HEPC = 0x241, - MISCREG_HCAUSE = 0x242, - MISCREG_HBADADDR = 0x243, - MISCREG_HIP = 0x244, - - MISCREG_MVENDORID = 0xF11, - MISCREG_MARCHID = 0xF12, - MISCREG_MIMPID = 0xF13, - MISCREG_MHARTID = 0xF14, - MISCREG_MSTATUS = 0x300, - MISCREG_MISA = 0x301, - MISCREG_MEDELEG = 0x302, - MISCREG_MIDELEG = 0x303, - MISCREG_MIE = 0x304, - MISCREG_MTVEC = 0x305, - MISCREG_MSCRATCH = 0x340, - MISCREG_MEPC = 0x341, - MISCREG_MCAUSE = 0x342, - MISCREG_MBADADDR = 0x343, - MISCREG_MIP = 0x344, - MISCREG_MBASE = 0x380, - MISCREG_MBOUND = 0x381, - MISCREG_MIBASE = 0x382, - MISCREG_MIBOUND = 0x383, - MISCREG_MDBASE = 0x384, - MISCREG_MDBOUND = 0x385, - MISCREG_MCYCLE = 0xB00, - MISCREG_MINSTRET = 0xB02, - MISCREG_MHPMCOUNTER_BASE = 0xB03, - MISCREG_MUCOUNTEREN = 0x320, - MISCREG_MSCOUNTEREN = 0x321, - MISCREG_MHCOUNTEREN = 0x322, - MISCREG_MHPMEVENT_BASE = 0x323, - - MISCREG_TSELECT = 0x7A0, - MISCREG_TDATA1 = 0x7A1, - MISCREG_TDATA2 = 0x7A2, - MISCREG_TDATA3 = 0x7A3, - MISCREG_DCSR = 0x7B0, - MISCREG_DPC = 0x7B1, - MISCREG_DSCRATCH = 0x7B2 + MISCREG_PRV = 0, + MISCREG_ISA, + MISCREG_VENDORID, + MISCREG_ARCHID, + MISCREG_IMPID, + MISCREG_HARTID, + MISCREG_STATUS, + MISCREG_IP, + MISCREG_IE, + MISCREG_CYCLE, + MISCREG_TIME, + MISCREG_INSTRET, + MISCREG_HPMCOUNTER03, + MISCREG_HPMCOUNTER04, + MISCREG_HPMCOUNTER05, + MISCREG_HPMCOUNTER06, + MISCREG_HPMCOUNTER07, + MISCREG_HPMCOUNTER08, + MISCREG_HPMCOUNTER09, + MISCREG_HPMCOUNTER10, + MISCREG_HPMCOUNTER11, + MISCREG_HPMCOUNTER12, + MISCREG_HPMCOUNTER13, + MISCREG_HPMCOUNTER14, + MISCREG_HPMCOUNTER15, + MISCREG_HPMCOUNTER16, + MISCREG_HPMCOUNTER17, + MISCREG_HPMCOUNTER18, + MISCREG_HPMCOUNTER19, + MISCREG_HPMCOUNTER20, + MISCREG_HPMCOUNTER21, + MISCREG_HPMCOUNTER22, + MISCREG_HPMCOUNTER23, + MISCREG_HPMCOUNTER24, + MISCREG_HPMCOUNTER25, + MISCREG_HPMCOUNTER26, + MISCREG_HPMCOUNTER27, + MISCREG_HPMCOUNTER28, + MISCREG_HPMCOUNTER29, + MISCREG_HPMCOUNTER30, + MISCREG_HPMCOUNTER31, + MISCREG_HPMEVENT03, + MISCREG_HPMEVENT04, + MISCREG_HPMEVENT05, + MISCREG_HPMEVENT06, + MISCREG_HPMEVENT07, + MISCREG_HPMEVENT08, + MISCREG_HPMEVENT09, + MISCREG_HPMEVENT10, + MISCREG_HPMEVENT11, + MISCREG_HPMEVENT12, + MISCREG_HPMEVENT13, + MISCREG_HPMEVENT14, + MISCREG_HPMEVENT15, + MISCREG_HPMEVENT16, + MISCREG_HPMEVENT17, + MISCREG_HPMEVENT18, + MISCREG_HPMEVENT19, + MISCREG_HPMEVENT20, + MISCREG_HPMEVENT21, + MISCREG_HPMEVENT22, + MISCREG_HPMEVENT23, + MISCREG_HPMEVENT24, + MISCREG_HPMEVENT25, + MISCREG_HPMEVENT26, + MISCREG_HPMEVENT27, + MISCREG_HPMEVENT28, + MISCREG_HPMEVENT29, + MISCREG_HPMEVENT30, + MISCREG_HPMEVENT31, + MISCREG_TSELECT, + MISCREG_TDATA1, + MISCREG_TDATA2, + MISCREG_TDATA3, + MISCREG_DCSR, + MISCREG_DPC, + MISCREG_DSCRATCH, + + MISCREG_MEDELEG, + MISCREG_MIDELEG, + MISCREG_MTVEC, + MISCREG_MCOUNTEREN, + MISCREG_MSCRATCH, + MISCREG_MEPC, + MISCREG_MCAUSE, + MISCREG_MTVAL, + MISCREG_PMPCFG0, + // pmpcfg1 rv32 only + MISCREG_PMPCFG2, + // pmpcfg3 rv32 only + MISCREG_PMPADDR00, + MISCREG_PMPADDR01, + MISCREG_PMPADDR02, + MISCREG_PMPADDR03, + MISCREG_PMPADDR04, + MISCREG_PMPADDR05, + MISCREG_PMPADDR06, + MISCREG_PMPADDR07, + MISCREG_PMPADDR08, + MISCREG_PMPADDR09, + MISCREG_PMPADDR10, + MISCREG_PMPADDR11, + MISCREG_PMPADDR12, + MISCREG_PMPADDR13, + MISCREG_PMPADDR14, + MISCREG_PMPADDR15, + + MISCREG_SEDELEG, + MISCREG_SIDELEG, + MISCREG_STVEC, + MISCREG_SCOUNTEREN, + MISCREG_SSCRATCH, + MISCREG_SEPC, + MISCREG_SCAUSE, + MISCREG_STVAL, + MISCREG_SATP, + + MISCREG_UTVEC, + MISCREG_USCRATCH, + MISCREG_UEPC, + MISCREG_UCAUSE, + MISCREG_UTVAL, + MISCREG_FFLAGS, + MISCREG_FRM, + + NUM_MISCREGS +}; +const int NumMiscRegs = NUM_MISCREGS; + +enum CSRIndex { + CSR_USTATUS = 0x000, + CSR_UIE = 0x004, + CSR_UTVEC = 0x005, + CSR_USCRATCH = 0x040, + CSR_UEPC = 0x041, + CSR_UCAUSE = 0x042, + CSR_UTVAL = 0x043, + CSR_UIP = 0x044, + CSR_FFLAGS = 0x001, + CSR_FRM = 0x002, + CSR_FCSR = 0x003, + CSR_CYCLE = 0xC00, + CSR_TIME = 0xC01, + CSR_INSTRET = 0xC02, + CSR_HPMCOUNTER03 = 0xC03, + CSR_HPMCOUNTER04 = 0xC04, + CSR_HPMCOUNTER05 = 0xC05, + CSR_HPMCOUNTER06 = 0xC06, + CSR_HPMCOUNTER07 = 0xC07, + CSR_HPMCOUNTER08 = 0xC08, + CSR_HPMCOUNTER09 = 0xC09, + CSR_HPMCOUNTER10 = 0xC0A, + CSR_HPMCOUNTER11 = 0xC0B, + CSR_HPMCOUNTER12 = 0xC0C, + CSR_HPMCOUNTER13 = 0xC0D, + CSR_HPMCOUNTER14 = 0xC0E, + CSR_HPMCOUNTER15 = 0xC0F, + CSR_HPMCOUNTER16 = 0xC10, + CSR_HPMCOUNTER17 = 0xC11, + CSR_HPMCOUNTER18 = 0xC12, + CSR_HPMCOUNTER19 = 0xC13, + CSR_HPMCOUNTER20 = 0xC14, + CSR_HPMCOUNTER21 = 0xC15, + CSR_HPMCOUNTER22 = 0xC16, + CSR_HPMCOUNTER23 = 0xC17, + CSR_HPMCOUNTER24 = 0xC18, + CSR_HPMCOUNTER25 = 0xC19, + CSR_HPMCOUNTER26 = 0xC1A, + CSR_HPMCOUNTER27 = 0xC1B, + CSR_HPMCOUNTER28 = 0xC1C, + CSR_HPMCOUNTER29 = 0xC1D, + CSR_HPMCOUNTER30 = 0xC1E, + CSR_HPMCOUNTER31 = 0xC1F, + // HPMCOUNTERH rv32 only + + CSR_SSTATUS = 0x100, + CSR_SEDELEG = 0x102, + CSR_SIDELEG = 0x103, + CSR_SIE = 0x104, + CSR_STVEC = 0x105, + CSR_SSCRATCH = 0x140, + CSR_SEPC = 0x141, + CSR_SCAUSE = 0x142, + CSR_STVAL = 0x143, + CSR_SIP = 0x144, + CSR_SATP = 0x180, + + CSR_MVENDORID = 0xF11, + CSR_MARCHID = 0xF12, + CSR_MIMPID = 0xF13, + CSR_MHARTID = 0xF14, + CSR_MSTATUS = 0x300, + CSR_MISA = 0x301, + CSR_MEDELEG = 0x302, + CSR_MIDELEG = 0x303, + CSR_MIE = 0x304, + CSR_MTVEC = 0x305, + CSR_MSCRATCH = 0x340, + CSR_MEPC = 0x341, + CSR_MCAUSE = 0x342, + CSR_MTVAL = 0x343, + CSR_MIP = 0x344, + CSR_PMPCFG0 = 0x3A0, + // pmpcfg1 rv32 only + CSR_PMPCFG2 = 0x3A2, + // pmpcfg3 rv32 only + CSR_PMPADDR00 = 0x3B0, + CSR_PMPADDR01 = 0x3B1, + CSR_PMPADDR02 = 0x3B2, + CSR_PMPADDR03 = 0x3B3, + CSR_PMPADDR04 = 0x3B4, + CSR_PMPADDR05 = 0x3B5, + CSR_PMPADDR06 = 0x3B6, + CSR_PMPADDR07 = 0x3B7, + CSR_PMPADDR08 = 0x3B8, + CSR_PMPADDR09 = 0x3B9, + CSR_PMPADDR10 = 0x3BA, + CSR_PMPADDR11 = 0x3BB, + CSR_PMPADDR12 = 0x3BC, + CSR_PMPADDR13 = 0x3BD, + CSR_PMPADDR14 = 0x3BE, + CSR_PMPADDR15 = 0x3BF, + CSR_MCYCLE = 0xB00, + CSR_MINSTRET = 0xB02, + CSR_MHPMCOUNTER03 = 0xC03, + CSR_MHPMCOUNTER04 = 0xC04, + CSR_MHPMCOUNTER05 = 0xC05, + CSR_MHPMCOUNTER06 = 0xC06, + CSR_MHPMCOUNTER07 = 0xC07, + CSR_MHPMCOUNTER08 = 0xC08, + CSR_MHPMCOUNTER09 = 0xC09, + CSR_MHPMCOUNTER10 = 0xC0A, + CSR_MHPMCOUNTER11 = 0xC0B, + CSR_MHPMCOUNTER12 = 0xC0C, + CSR_MHPMCOUNTER13 = 0xC0D, + CSR_MHPMCOUNTER14 = 0xC0E, + CSR_MHPMCOUNTER15 = 0xC0F, + CSR_MHPMCOUNTER16 = 0xC10, + CSR_MHPMCOUNTER17 = 0xC11, + CSR_MHPMCOUNTER18 = 0xC12, + CSR_MHPMCOUNTER19 = 0xC13, + CSR_MHPMCOUNTER20 = 0xC14, + CSR_MHPMCOUNTER21 = 0xC15, + CSR_MHPMCOUNTER22 = 0xC16, + CSR_MHPMCOUNTER23 = 0xC17, + CSR_MHPMCOUNTER24 = 0xC18, + CSR_MHPMCOUNTER25 = 0xC19, + CSR_MHPMCOUNTER26 = 0xC1A, + CSR_MHPMCOUNTER27 = 0xC1B, + CSR_MHPMCOUNTER28 = 0xC1C, + CSR_MHPMCOUNTER29 = 0xC1D, + CSR_MHPMCOUNTER30 = 0xC1E, + CSR_MHPMCOUNTER31 = 0xC1F, + // MHPMCOUNTERH rv32 only + CSR_MHPMEVENT03 = 0x323, + CSR_MHPMEVENT04 = 0x324, + CSR_MHPMEVENT05 = 0x325, + CSR_MHPMEVENT06 = 0x326, + CSR_MHPMEVENT07 = 0x327, + CSR_MHPMEVENT08 = 0x328, + CSR_MHPMEVENT09 = 0x329, + CSR_MHPMEVENT10 = 0x32A, + CSR_MHPMEVENT11 = 0x32B, + CSR_MHPMEVENT12 = 0x32C, + CSR_MHPMEVENT13 = 0x32D, + CSR_MHPMEVENT14 = 0x32E, + CSR_MHPMEVENT15 = 0x32F, + CSR_MHPMEVENT16 = 0x330, + CSR_MHPMEVENT17 = 0x331, + CSR_MHPMEVENT18 = 0x332, + CSR_MHPMEVENT19 = 0x333, + CSR_MHPMEVENT20 = 0x334, + CSR_MHPMEVENT21 = 0x335, + CSR_MHPMEVENT22 = 0x336, + CSR_MHPMEVENT23 = 0x337, + CSR_MHPMEVENT24 = 0x338, + CSR_MHPMEVENT25 = 0x339, + CSR_MHPMEVENT26 = 0x33A, + CSR_MHPMEVENT27 = 0x33B, + CSR_MHPMEVENT28 = 0x33C, + CSR_MHPMEVENT29 = 0x33D, + CSR_MHPMEVENT30 = 0x33E, + CSR_MHPMEVENT31 = 0x33F, + + CSR_TSELECT = 0x7A0, + CSR_TDATA1 = 0x7A1, + CSR_TDATA2 = 0x7A2, + CSR_TDATA3 = 0x7A3, + CSR_DCSR = 0x7B0, + CSR_DPC = 0x7B1, + CSR_DSCRATCH = 0x7B2 +}; + +struct CSRMetadata +{ + const std::string name; + const int physIndex; +}; + +const std::map CSRData = { + {CSR_USTATUS, {"ustatus", MISCREG_STATUS}}, + {CSR_UIE, {"uie", MISCREG_IE}}, + {CSR_UTVEC, {"utvec", MISCREG_UTVEC}}, + {CSR_USCRATCH, {"uscratch", MISCREG_USCRATCH}}, + {CSR_UEPC, {"uepc", MISCREG_UEPC}}, + {CSR_UCAUSE, {"ucause", MISCREG_UCAUSE}}, + {CSR_UTVAL, {"utval", MISCREG_UTVAL}}, + {CSR_UIP, {"uip", MISCREG_IP}}, + {CSR_FFLAGS, {"fflags", MISCREG_FFLAGS}}, + {CSR_FRM, {"frm", MISCREG_FRM}}, + {CSR_FCSR, {"fcsr", MISCREG_FFLAGS}}, // Actually FRM << 5 | FFLAGS + {CSR_CYCLE, {"cycle", MISCREG_CYCLE}}, + {CSR_TIME, {"time", MISCREG_TIME}}, + {CSR_INSTRET, {"instret", MISCREG_INSTRET}}, + {CSR_HPMCOUNTER03, {"hpmcounter03", MISCREG_HPMCOUNTER03}}, + {CSR_HPMCOUNTER04, {"hpmcounter04", MISCREG_HPMCOUNTER04}}, + {CSR_HPMCOUNTER05, {"hpmcounter05", MISCREG_HPMCOUNTER05}}, + {CSR_HPMCOUNTER06, {"hpmcounter06", MISCREG_HPMCOUNTER06}}, + {CSR_HPMCOUNTER07, {"hpmcounter07", MISCREG_HPMCOUNTER07}}, + {CSR_HPMCOUNTER08, {"hpmcounter08", MISCREG_HPMCOUNTER08}}, + {CSR_HPMCOUNTER09, {"hpmcounter09", MISCREG_HPMCOUNTER09}}, + {CSR_HPMCOUNTER10, {"hpmcounter10", MISCREG_HPMCOUNTER10}}, + {CSR_HPMCOUNTER11, {"hpmcounter11", MISCREG_HPMCOUNTER11}}, + {CSR_HPMCOUNTER12, {"hpmcounter12", MISCREG_HPMCOUNTER12}}, + {CSR_HPMCOUNTER13, {"hpmcounter13", MISCREG_HPMCOUNTER13}}, + {CSR_HPMCOUNTER14, {"hpmcounter14", MISCREG_HPMCOUNTER14}}, + {CSR_HPMCOUNTER15, {"hpmcounter15", MISCREG_HPMCOUNTER15}}, + {CSR_HPMCOUNTER16, {"hpmcounter16", MISCREG_HPMCOUNTER16}}, + {CSR_HPMCOUNTER17, {"hpmcounter17", MISCREG_HPMCOUNTER17}}, + {CSR_HPMCOUNTER18, {"hpmcounter18", MISCREG_HPMCOUNTER18}}, + {CSR_HPMCOUNTER19, {"hpmcounter19", MISCREG_HPMCOUNTER19}}, + {CSR_HPMCOUNTER20, {"hpmcounter20", MISCREG_HPMCOUNTER20}}, + {CSR_HPMCOUNTER21, {"hpmcounter21", MISCREG_HPMCOUNTER21}}, + {CSR_HPMCOUNTER22, {"hpmcounter22", MISCREG_HPMCOUNTER22}}, + {CSR_HPMCOUNTER23, {"hpmcounter23", MISCREG_HPMCOUNTER23}}, + {CSR_HPMCOUNTER24, {"hpmcounter24", MISCREG_HPMCOUNTER24}}, + {CSR_HPMCOUNTER25, {"hpmcounter25", MISCREG_HPMCOUNTER25}}, + {CSR_HPMCOUNTER26, {"hpmcounter26", MISCREG_HPMCOUNTER26}}, + {CSR_HPMCOUNTER27, {"hpmcounter27", MISCREG_HPMCOUNTER27}}, + {CSR_HPMCOUNTER28, {"hpmcounter28", MISCREG_HPMCOUNTER28}}, + {CSR_HPMCOUNTER29, {"hpmcounter29", MISCREG_HPMCOUNTER29}}, + {CSR_HPMCOUNTER30, {"hpmcounter30", MISCREG_HPMCOUNTER30}}, + {CSR_HPMCOUNTER31, {"hpmcounter31", MISCREG_HPMCOUNTER31}}, + + {CSR_SSTATUS, {"sstatus", MISCREG_STATUS}}, + {CSR_SEDELEG, {"sedeleg", MISCREG_SEDELEG}}, + {CSR_SIDELEG, {"sideleg", MISCREG_SIDELEG}}, + {CSR_SIE, {"sie", MISCREG_IE}}, + {CSR_STVEC, {"stvec", MISCREG_STVEC}}, + {CSR_SSCRATCH, {"sscratch", MISCREG_SSCRATCH}}, + {CSR_SEPC, {"sepc", MISCREG_SEPC}}, + {CSR_SCAUSE, {"scause", MISCREG_SCAUSE}}, + {CSR_STVAL, {"stval", MISCREG_STVAL}}, + {CSR_SIP, {"sip", MISCREG_IP}}, + {CSR_SATP, {"satp", MISCREG_SATP}}, + + {CSR_MVENDORID, {"mvendorid", MISCREG_VENDORID}}, + {CSR_MARCHID, {"marchid", MISCREG_ARCHID}}, + {CSR_MIMPID, {"mimpid", MISCREG_IMPID}}, + {CSR_MHARTID, {"mhartid", MISCREG_HARTID}}, + {CSR_MSTATUS, {"mstatus", MISCREG_STATUS}}, + {CSR_MISA, {"misa", MISCREG_ISA}}, + {CSR_MEDELEG, {"medeleg", MISCREG_MEDELEG}}, + {CSR_MIDELEG, {"mideleg", MISCREG_MIDELEG}}, + {CSR_MIE, {"mie", MISCREG_IE}}, + {CSR_MTVEC, {"mtvec", MISCREG_MTVEC}}, + {CSR_MSCRATCH, {"mscratch", MISCREG_MSCRATCH}}, + {CSR_MEPC, {"mepc", MISCREG_MEPC}}, + {CSR_MCAUSE, {"mcause", MISCREG_MCAUSE}}, + {CSR_MTVAL, {"mtval", MISCREG_MTVAL}}, + {CSR_MIP, {"mip", MISCREG_IP}}, + {CSR_PMPCFG0, {"pmpcfg0", MISCREG_PMPCFG0}}, + // pmpcfg1 rv32 only + {CSR_PMPCFG2, {"pmpcfg2", MISCREG_PMPCFG2}}, + // pmpcfg3 rv32 only + {CSR_PMPADDR00, {"pmpaddr0", MISCREG_PMPADDR00}}, + {CSR_PMPADDR01, {"pmpaddr1", MISCREG_PMPADDR01}}, + {CSR_PMPADDR02, {"pmpaddr2", MISCREG_PMPADDR02}}, + {CSR_PMPADDR03, {"pmpaddr3", MISCREG_PMPADDR03}}, + {CSR_PMPADDR04, {"pmpaddr4", MISCREG_PMPADDR04}}, + {CSR_PMPADDR05, {"pmpaddr5", MISCREG_PMPADDR05}}, + {CSR_PMPADDR06, {"pmpaddr6", MISCREG_PMPADDR06}}, + {CSR_PMPADDR07, {"pmpaddr7", MISCREG_PMPADDR07}}, + {CSR_PMPADDR08, {"pmpaddr8", MISCREG_PMPADDR08}}, + {CSR_PMPADDR09, {"pmpaddr9", MISCREG_PMPADDR09}}, + {CSR_PMPADDR10, {"pmpaddr10", MISCREG_PMPADDR10}}, + {CSR_PMPADDR11, {"pmpaddr11", MISCREG_PMPADDR11}}, + {CSR_PMPADDR12, {"pmpaddr12", MISCREG_PMPADDR12}}, + {CSR_PMPADDR13, {"pmpaddr13", MISCREG_PMPADDR13}}, + {CSR_PMPADDR14, {"pmpaddr14", MISCREG_PMPADDR14}}, + {CSR_PMPADDR15, {"pmpaddr15", MISCREG_PMPADDR15}}, + {CSR_MCYCLE, {"mcycle", MISCREG_CYCLE}}, + {CSR_MINSTRET, {"minstret", MISCREG_INSTRET}}, + {CSR_MHPMCOUNTER03, {"mhpmcounter03", MISCREG_HPMCOUNTER03}}, + {CSR_MHPMCOUNTER04, {"mhpmcounter04", MISCREG_HPMCOUNTER04}}, + {CSR_MHPMCOUNTER05, {"mhpmcounter05", MISCREG_HPMCOUNTER05}}, + {CSR_MHPMCOUNTER06, {"mhpmcounter06", MISCREG_HPMCOUNTER06}}, + {CSR_MHPMCOUNTER07, {"mhpmcounter07", MISCREG_HPMCOUNTER07}}, + {CSR_MHPMCOUNTER08, {"mhpmcounter08", MISCREG_HPMCOUNTER08}}, + {CSR_MHPMCOUNTER09, {"mhpmcounter09", MISCREG_HPMCOUNTER09}}, + {CSR_MHPMCOUNTER10, {"mhpmcounter10", MISCREG_HPMCOUNTER10}}, + {CSR_MHPMCOUNTER11, {"mhpmcounter11", MISCREG_HPMCOUNTER11}}, + {CSR_MHPMCOUNTER12, {"mhpmcounter12", MISCREG_HPMCOUNTER12}}, + {CSR_MHPMCOUNTER13, {"mhpmcounter13", MISCREG_HPMCOUNTER13}}, + {CSR_MHPMCOUNTER14, {"mhpmcounter14", MISCREG_HPMCOUNTER14}}, + {CSR_MHPMCOUNTER15, {"mhpmcounter15", MISCREG_HPMCOUNTER15}}, + {CSR_MHPMCOUNTER16, {"mhpmcounter16", MISCREG_HPMCOUNTER16}}, + {CSR_MHPMCOUNTER17, {"mhpmcounter17", MISCREG_HPMCOUNTER17}}, + {CSR_MHPMCOUNTER18, {"mhpmcounter18", MISCREG_HPMCOUNTER18}}, + {CSR_MHPMCOUNTER19, {"mhpmcounter19", MISCREG_HPMCOUNTER19}}, + {CSR_MHPMCOUNTER20, {"mhpmcounter20", MISCREG_HPMCOUNTER20}}, + {CSR_MHPMCOUNTER21, {"mhpmcounter21", MISCREG_HPMCOUNTER21}}, + {CSR_MHPMCOUNTER22, {"mhpmcounter22", MISCREG_HPMCOUNTER22}}, + {CSR_MHPMCOUNTER23, {"mhpmcounter23", MISCREG_HPMCOUNTER23}}, + {CSR_MHPMCOUNTER24, {"mhpmcounter24", MISCREG_HPMCOUNTER24}}, + {CSR_MHPMCOUNTER25, {"mhpmcounter25", MISCREG_HPMCOUNTER25}}, + {CSR_MHPMCOUNTER26, {"mhpmcounter26", MISCREG_HPMCOUNTER26}}, + {CSR_MHPMCOUNTER27, {"mhpmcounter27", MISCREG_HPMCOUNTER27}}, + {CSR_MHPMCOUNTER28, {"mhpmcounter28", MISCREG_HPMCOUNTER28}}, + {CSR_MHPMCOUNTER29, {"mhpmcounter29", MISCREG_HPMCOUNTER29}}, + {CSR_MHPMCOUNTER30, {"mhpmcounter30", MISCREG_HPMCOUNTER30}}, + {CSR_MHPMCOUNTER31, {"mhpmcounter31", MISCREG_HPMCOUNTER31}}, + {CSR_MHPMEVENT03, {"mhpmevent03", MISCREG_HPMEVENT03}}, + {CSR_MHPMEVENT04, {"mhpmevent04", MISCREG_HPMEVENT04}}, + {CSR_MHPMEVENT05, {"mhpmevent05", MISCREG_HPMEVENT05}}, + {CSR_MHPMEVENT06, {"mhpmevent06", MISCREG_HPMEVENT06}}, + {CSR_MHPMEVENT07, {"mhpmevent07", MISCREG_HPMEVENT07}}, + {CSR_MHPMEVENT08, {"mhpmevent08", MISCREG_HPMEVENT08}}, + {CSR_MHPMEVENT09, {"mhpmevent09", MISCREG_HPMEVENT09}}, + {CSR_MHPMEVENT10, {"mhpmevent10", MISCREG_HPMEVENT10}}, + {CSR_MHPMEVENT11, {"mhpmevent11", MISCREG_HPMEVENT11}}, + {CSR_MHPMEVENT12, {"mhpmevent12", MISCREG_HPMEVENT12}}, + {CSR_MHPMEVENT13, {"mhpmevent13", MISCREG_HPMEVENT13}}, + {CSR_MHPMEVENT14, {"mhpmevent14", MISCREG_HPMEVENT14}}, + {CSR_MHPMEVENT15, {"mhpmevent15", MISCREG_HPMEVENT15}}, + {CSR_MHPMEVENT16, {"mhpmevent16", MISCREG_HPMEVENT16}}, + {CSR_MHPMEVENT17, {"mhpmevent17", MISCREG_HPMEVENT17}}, + {CSR_MHPMEVENT18, {"mhpmevent18", MISCREG_HPMEVENT18}}, + {CSR_MHPMEVENT19, {"mhpmevent19", MISCREG_HPMEVENT19}}, + {CSR_MHPMEVENT20, {"mhpmevent20", MISCREG_HPMEVENT20}}, + {CSR_MHPMEVENT21, {"mhpmevent21", MISCREG_HPMEVENT21}}, + {CSR_MHPMEVENT22, {"mhpmevent22", MISCREG_HPMEVENT22}}, + {CSR_MHPMEVENT23, {"mhpmevent23", MISCREG_HPMEVENT23}}, + {CSR_MHPMEVENT24, {"mhpmevent24", MISCREG_HPMEVENT24}}, + {CSR_MHPMEVENT25, {"mhpmevent25", MISCREG_HPMEVENT25}}, + {CSR_MHPMEVENT26, {"mhpmevent26", MISCREG_HPMEVENT26}}, + {CSR_MHPMEVENT27, {"mhpmevent27", MISCREG_HPMEVENT27}}, + {CSR_MHPMEVENT28, {"mhpmevent28", MISCREG_HPMEVENT28}}, + {CSR_MHPMEVENT29, {"mhpmevent29", MISCREG_HPMEVENT29}}, + {CSR_MHPMEVENT30, {"mhpmevent30", MISCREG_HPMEVENT30}}, + {CSR_MHPMEVENT31, {"mhpmevent31", MISCREG_HPMEVENT31}}, + + {CSR_TSELECT, {"tselect", MISCREG_TSELECT}}, + {CSR_TDATA1, {"tdata1", MISCREG_TDATA1}}, + {CSR_TDATA2, {"tdata2", MISCREG_TDATA2}}, + {CSR_TDATA3, {"tdata3", MISCREG_TDATA3}}, + {CSR_DCSR, {"dcsr", MISCREG_DCSR}}, + {CSR_DPC, {"dpc", MISCREG_DPC}}, + {CSR_DSCRATCH, {"dscratch", MISCREG_DSCRATCH}} +}; + +/** + * These fields are specified in the RISC-V Instruction Set Manual, Volume II, + * v1.10, accessible at www.riscv.org. in Figure 3.7. The main register that + * uses these fields is the MSTATUS register, which is shadowed by two others + * accessible at lower privilege levels (SSTATUS and USTATUS) that can't see + * the fields for higher privileges. + */ +BitUnion64(STATUS) + Bitfield<63> sd; + Bitfield<35, 34> sxl; + Bitfield<33, 32> uxl; + Bitfield<22> tsr; + Bitfield<21> tw; + Bitfield<20> tvm; + Bitfield<19> mxr; + Bitfield<18> sum; + Bitfield<17> mprv; + Bitfield<16, 15> xs; + Bitfield<14, 13> fs; + Bitfield<12, 11> mpp; + Bitfield<8> spp; + Bitfield<7> mpie; + Bitfield<5> spie; + Bitfield<4> upie; + Bitfield<3> mie; + Bitfield<1> sie; + Bitfield<0> uie; +EndBitUnion(STATUS) + +/** + * These fields are specified in the RISC-V Instruction Set Manual, Volume II, + * v1.10 in Figures 3.11 and 3.12, accessible at www.riscv.org. Both the MIP + * and MIE registers have the same fields, so accesses to either should use + * this bit union. + */ +BitUnion64(INTERRUPT) + Bitfield<11> mei; + Bitfield<9> sei; + Bitfield<8> uei; + Bitfield<7> mti; + Bitfield<5> sti; + Bitfield<4> uti; + Bitfield<3> msi; + Bitfield<1> ssi; + Bitfield<0> usi; +EndBitUnion(INTERRUPT) + +const off_t MXL_OFFSET = (sizeof(MiscReg) * 8 - 2); +const off_t SXL_OFFSET = 34; +const off_t UXL_OFFSET = 32; +const off_t FS_OFFSET = 13; +const off_t FRM_OFFSET = 5; + +const MiscReg ISA_MXL_MASK = 3ULL << MXL_OFFSET; +const MiscReg ISA_EXT_MASK = mask(26); +const MiscReg MISA_MASK = ISA_MXL_MASK | ISA_EXT_MASK; + +const MiscReg STATUS_SD_MASK = 1ULL << ((sizeof(MiscReg) * 8) - 1); +const MiscReg STATUS_SXL_MASK = 3ULL << SXL_OFFSET; +const MiscReg STATUS_UXL_MASK = 3ULL << UXL_OFFSET; +const MiscReg STATUS_TSR_MASK = 1ULL << 22; +const MiscReg STATUS_TW_MASK = 1ULL << 21; +const MiscReg STATUS_TVM_MASK = 1ULL << 20; +const MiscReg STATUS_MXR_MASK = 1ULL << 19; +const MiscReg STATUS_SUM_MASK = 1ULL << 18; +const MiscReg STATUS_MPRV_MASK = 1ULL << 17; +const MiscReg STATUS_XS_MASK = 3ULL << 15; +const MiscReg STATUS_FS_MASK = 3ULL << FS_OFFSET; +const MiscReg STATUS_MPP_MASK = 3ULL << 11; +const MiscReg STATUS_SPP_MASK = 1ULL << 8; +const MiscReg STATUS_MPIE_MASK = 1ULL << 7; +const MiscReg STATUS_SPIE_MASK = 1ULL << 5; +const MiscReg STATUS_UPIE_MASK = 1ULL << 4; +const MiscReg STATUS_MIE_MASK = 1ULL << 3; +const MiscReg STATUS_SIE_MASK = 1ULL << 1; +const MiscReg STATUS_UIE_MASK = 1ULL << 0; +const MiscReg MSTATUS_MASK = STATUS_SD_MASK | STATUS_SXL_MASK | + STATUS_UXL_MASK | STATUS_TSR_MASK | + STATUS_TW_MASK | STATUS_TVM_MASK | + STATUS_MXR_MASK | STATUS_SUM_MASK | + STATUS_MPRV_MASK | STATUS_XS_MASK | + STATUS_FS_MASK | STATUS_MPP_MASK | + STATUS_SPP_MASK | STATUS_MPIE_MASK | + STATUS_SPIE_MASK | STATUS_UPIE_MASK | + STATUS_MIE_MASK | STATUS_SIE_MASK | + STATUS_UIE_MASK; +const MiscReg SSTATUS_MASK = STATUS_SD_MASK | STATUS_UXL_MASK | + STATUS_MXR_MASK | STATUS_SUM_MASK | + STATUS_XS_MASK | STATUS_FS_MASK | + STATUS_SPP_MASK | STATUS_SPIE_MASK | + STATUS_UPIE_MASK | STATUS_SIE_MASK | + STATUS_UIE_MASK; +const MiscReg USTATUS_MASK = STATUS_SD_MASK | STATUS_MXR_MASK | + STATUS_SUM_MASK | STATUS_XS_MASK | + STATUS_FS_MASK | STATUS_UPIE_MASK | + STATUS_UIE_MASK; + +const MiscReg MEI_MASK = 1ULL << 11; +const MiscReg SEI_MASK = 1ULL << 9; +const MiscReg UEI_MASK = 1ULL << 8; +const MiscReg MTI_MASK = 1ULL << 7; +const MiscReg STI_MASK = 1ULL << 5; +const MiscReg UTI_MASK = 1ULL << 4; +const MiscReg MSI_MASK = 1ULL << 3; +const MiscReg SSI_MASK = 1ULL << 1; +const MiscReg USI_MASK = 1ULL << 0; +const MiscReg MI_MASK = MEI_MASK | SEI_MASK | UEI_MASK | + MTI_MASK | STI_MASK | UTI_MASK | + MSI_MASK | SSI_MASK | USI_MASK; +const MiscReg SI_MASK = SEI_MASK | UEI_MASK | + STI_MASK | UTI_MASK | + SSI_MASK | USI_MASK; +const MiscReg UI_MASK = UEI_MASK | UTI_MASK | USI_MASK; +const MiscReg FFLAGS_MASK = (1 << FRM_OFFSET) - 1; +const MiscReg FRM_MASK = 0x7; + +const std::map CSRMasks = { + {CSR_USTATUS, USTATUS_MASK}, + {CSR_UIE, UI_MASK}, + {CSR_UIP, UI_MASK}, + {CSR_FFLAGS, FFLAGS_MASK}, + {CSR_FRM, FRM_MASK}, + {CSR_FCSR, FFLAGS_MASK | (FRM_MASK << FRM_OFFSET)}, + {CSR_SSTATUS, SSTATUS_MASK}, + {CSR_SIE, SI_MASK}, + {CSR_SIP, SI_MASK}, + {CSR_MSTATUS, MSTATUS_MASK}, + {CSR_MISA, MISA_MASK}, + {CSR_MIE, MI_MASK}, + {CSR_MIP, MI_MASK} }; }