| //===- RISCVSystemOperands.td ----------------------------*- tablegen -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the symbolic operands permitted for various kinds of |
| // RISC-V system instruction. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| include "llvm/TableGen/SearchableTable.td" |
| |
| //===----------------------------------------------------------------------===// |
| // CSR (control and status register read/write) instruction options. |
| //===----------------------------------------------------------------------===// |
| |
| class SysReg<string name, bits<12> op> { |
| string Name = name; |
| bits<12> Encoding = op; |
| // A maximum of one alias is supported right now. |
| string AltName = name; |
| // FIXME: add these additional fields when needed. |
| // Privilege Access: Read and Write = 0, 1, 2; Read-Only = 3. |
| // Privilege Mode: User = 0, System = 1 or Machine = 3. |
| // bits<2> ReadWrite = op{11 - 10}; |
| // bits<2> XMode = op{9 - 8}; |
| // Check Extra field name and what bits 7-6 correspond to. |
| // bits<2> Extra = op{7 - 6}; |
| // Register number without the privilege bits. |
| // bits<6> Number = op{5 - 0}; |
| code FeaturesRequired = [{ {} }]; |
| bit isRV32Only = 0; |
| } |
| |
| def SysRegsList : GenericTable { |
| let FilterClass = "SysReg"; |
| // FIXME: add "ReadWrite", "Mode", "Extra", "Number" fields when needed. |
| let Fields = [ "Name", "Encoding", "AltName", "FeaturesRequired", "isRV32Only" ]; |
| |
| let PrimaryKey = [ "Encoding" ]; |
| let PrimaryKeyName = "lookupSysRegByEncoding"; |
| } |
| |
| def lookupSysRegByName : SearchIndex { |
| let Table = SysRegsList; |
| let Key = [ "Name" ]; |
| } |
| |
| def lookupSysRegByAltName : SearchIndex { |
| let Table = SysRegsList; |
| let Key = [ "AltName" ]; |
| } |
| |
| // The following CSR encodings match those given in Tables 2.2, |
| // 2.3, 2.4 and 2.5 in the RISC-V Instruction Set Manual |
| // Volume II: Privileged Architecture. |
| |
| //===-------------------------- |
| // User Trap Setup |
| //===-------------------------- |
| def : SysReg<"ustatus", 0x000>; |
| def : SysReg<"uie", 0x004>; |
| def : SysReg<"utvec", 0x005>; |
| |
| //===-------------------------- |
| // User Trap Handling |
| //===-------------------------- |
| def : SysReg<"uscratch", 0x040>; |
| def : SysReg<"uepc", 0x041>; |
| def : SysReg<"ucause", 0x042>; |
| def : SysReg<"utval", 0x043>; |
| def : SysReg<"uip", 0x044>; |
| |
| //===-------------------------- |
| // User Floating-Point CSRs |
| //===-------------------------- |
| |
| def FFLAGS : SysReg<"fflags", 0x001>; |
| def FRM : SysReg<"frm", 0x002>; |
| def FCSR : SysReg<"fcsr", 0x003>; |
| |
| //===-------------------------- |
| // User Counter/Timers |
| //===-------------------------- |
| def CYCLE : SysReg<"cycle", 0xC00>; |
| def TIME : SysReg<"time", 0xC01>; |
| def INSTRET : SysReg<"instret", 0xC02>; |
| |
| def : SysReg<"hpmcounter3", 0xC03>; |
| def : SysReg<"hpmcounter4", 0xC04>; |
| def : SysReg<"hpmcounter5", 0xC05>; |
| def : SysReg<"hpmcounter6", 0xC06>; |
| def : SysReg<"hpmcounter7", 0xC07>; |
| def : SysReg<"hpmcounter8", 0xC08>; |
| def : SysReg<"hpmcounter9", 0xC09>; |
| def : SysReg<"hpmcounter10", 0xC0A>; |
| def : SysReg<"hpmcounter11", 0xC0B>; |
| def : SysReg<"hpmcounter12", 0xC0C>; |
| def : SysReg<"hpmcounter13", 0xC0D>; |
| def : SysReg<"hpmcounter14", 0xC0E>; |
| def : SysReg<"hpmcounter15", 0xC0F>; |
| def : SysReg<"hpmcounter16", 0xC10>; |
| def : SysReg<"hpmcounter17", 0xC11>; |
| def : SysReg<"hpmcounter18", 0xC12>; |
| def : SysReg<"hpmcounter19", 0xC13>; |
| def : SysReg<"hpmcounter20", 0xC14>; |
| def : SysReg<"hpmcounter21", 0xC15>; |
| def : SysReg<"hpmcounter22", 0xC16>; |
| def : SysReg<"hpmcounter23", 0xC17>; |
| def : SysReg<"hpmcounter24", 0xC18>; |
| def : SysReg<"hpmcounter25", 0xC19>; |
| def : SysReg<"hpmcounter26", 0xC1A>; |
| def : SysReg<"hpmcounter27", 0xC1B>; |
| def : SysReg<"hpmcounter28", 0xC1C>; |
| def : SysReg<"hpmcounter29", 0xC1D>; |
| def : SysReg<"hpmcounter30", 0xC1E>; |
| def : SysReg<"hpmcounter31", 0xC1F>; |
| |
| let isRV32Only = 1 in { |
| def CYCLEH : SysReg<"cycleh", 0xC80>; |
| def TIMEH : SysReg<"timeh", 0xC81>; |
| def INSTRETH : SysReg<"instreth", 0xC82>; |
| |
| def: SysReg<"hpmcounter3h", 0xC83>; |
| def: SysReg<"hpmcounter4h", 0xC84>; |
| def: SysReg<"hpmcounter5h", 0xC85>; |
| def: SysReg<"hpmcounter6h", 0xC86>; |
| def: SysReg<"hpmcounter7h", 0xC87>; |
| def: SysReg<"hpmcounter8h", 0xC88>; |
| def: SysReg<"hpmcounter9h", 0xC89>; |
| def: SysReg<"hpmcounter10h", 0xC8A>; |
| def: SysReg<"hpmcounter11h", 0xC8B>; |
| def: SysReg<"hpmcounter12h", 0xC8C>; |
| def: SysReg<"hpmcounter13h", 0xC8D>; |
| def: SysReg<"hpmcounter14h", 0xC8E>; |
| def: SysReg<"hpmcounter15h", 0xC8F>; |
| def: SysReg<"hpmcounter16h", 0xC90>; |
| def: SysReg<"hpmcounter17h", 0xC91>; |
| def: SysReg<"hpmcounter18h", 0xC92>; |
| def: SysReg<"hpmcounter19h", 0xC93>; |
| def: SysReg<"hpmcounter20h", 0xC94>; |
| def: SysReg<"hpmcounter21h", 0xC95>; |
| def: SysReg<"hpmcounter22h", 0xC96>; |
| def: SysReg<"hpmcounter23h", 0xC97>; |
| def: SysReg<"hpmcounter24h", 0xC98>; |
| def: SysReg<"hpmcounter25h", 0xC99>; |
| def: SysReg<"hpmcounter26h", 0xC9A>; |
| def: SysReg<"hpmcounter27h", 0xC9B>; |
| def: SysReg<"hpmcounter28h", 0xC9C>; |
| def: SysReg<"hpmcounter29h", 0xC9D>; |
| def: SysReg<"hpmcounter30h", 0xC9E>; |
| def: SysReg<"hpmcounter31h", 0xC9F>; |
| } |
| |
| //===-------------------------- |
| // Supervisor Trap Setup |
| //===-------------------------- |
| def : SysReg<"sstatus", 0x100>; |
| def : SysReg<"sedeleg", 0x102>; |
| def : SysReg<"sideleg", 0x103>; |
| def : SysReg<"sie", 0x104>; |
| def : SysReg<"stvec", 0x105>; |
| def : SysReg<"scounteren", 0x106>; |
| |
| //===-------------------------- |
| // Supervisor Trap Handling |
| //===-------------------------- |
| def : SysReg<"sscratch", 0x140>; |
| def : SysReg<"sepc", 0x141>; |
| def : SysReg<"scause", 0x142>; |
| def : SysReg<"stval", 0x143>; |
| def : SysReg<"sip", 0x144>; |
| |
| //===------------------------------------- |
| // Supervisor Protection and Translation |
| //===------------------------------------- |
| def : SysReg<"satp", 0x180>; |
| |
| //===----------------------------- |
| // Machine Information Registers |
| //===----------------------------- |
| |
| def : SysReg<"mvendorid", 0xF11>; |
| def : SysReg<"marchid", 0xF12>; |
| def : SysReg<"mimpid", 0xF13>; |
| def : SysReg<"mhartid", 0xF14>; |
| |
| //===----------------------------- |
| // Machine Trap Setup |
| //===----------------------------- |
| def : SysReg<"mstatus", 0x300>; |
| def : SysReg<"misa", 0x301>; |
| def : SysReg<"medeleg", 0x302>; |
| def : SysReg<"mideleg", 0x303>; |
| def : SysReg<"mie", 0x304>; |
| def : SysReg<"mtvec", 0x305>; |
| def : SysReg<"mcounteren", 0x306>; |
| |
| //===----------------------------- |
| // Machine Trap Handling |
| //===----------------------------- |
| def : SysReg<"mscratch", 0x340>; |
| def : SysReg<"mepc", 0x341>; |
| def : SysReg<"mcause", 0x342>; |
| def : SysReg<"mtval", 0x343>; |
| def : SysReg<"mip", 0x344>; |
| |
| //===---------------------------------- |
| // Machine Protection and Translation |
| //===---------------------------------- |
| def : SysReg<"pmpcfg0", 0x3A0>; |
| def : SysReg<"pmpcfg2", 0x3A2>; |
| let isRV32Only = 1 in { |
| def : SysReg<"pmpcfg1", 0x3A1>; |
| def : SysReg<"pmpcfg3", 0x3A3>; |
| } |
| |
| def : SysReg<"pmpaddr0", 0x3B0>; |
| def : SysReg<"pmpaddr1", 0x3B1>; |
| def : SysReg<"pmpaddr2", 0x3B2>; |
| def : SysReg<"pmpaddr3", 0x3B3>; |
| def : SysReg<"pmpaddr4", 0x3B4>; |
| def : SysReg<"pmpaddr5", 0x3B5>; |
| def : SysReg<"pmpaddr6", 0x3B6>; |
| def : SysReg<"pmpaddr7", 0x3B7>; |
| def : SysReg<"pmpaddr8", 0x3B8>; |
| def : SysReg<"pmpaddr9", 0x3B9>; |
| def : SysReg<"pmpaddr10", 0x3BA>; |
| def : SysReg<"pmpaddr11", 0x3BB>; |
| def : SysReg<"pmpaddr12", 0x3BC>; |
| def : SysReg<"pmpaddr13", 0x3BD>; |
| def : SysReg<"pmpaddr14", 0x3BE>; |
| def : SysReg<"pmpaddr15", 0x3BF>; |
| |
| |
| //===-------------------------- |
| // Machine Counter and Timers |
| //===-------------------------- |
| def : SysReg<"mcycle", 0xB00>; |
| def : SysReg<"minstret", 0xB02>; |
| |
| def : SysReg<"mhpmcounter3", 0xB03>; |
| def : SysReg<"mhpmcounter4", 0xB04>; |
| def : SysReg<"mhpmcounter5", 0xB05>; |
| def : SysReg<"mhpmcounter6", 0xB06>; |
| def : SysReg<"mhpmcounter7", 0xB07>; |
| def : SysReg<"mhpmcounter8", 0xB08>; |
| def : SysReg<"mhpmcounter9", 0xB09>; |
| def : SysReg<"mhpmcounter10", 0xB0A>; |
| def : SysReg<"mhpmcounter11", 0xB0B>; |
| def : SysReg<"mhpmcounter12", 0xB0C>; |
| def : SysReg<"mhpmcounter13", 0xB0D>; |
| def : SysReg<"mhpmcounter14", 0xB0E>; |
| def : SysReg<"mhpmcounter15", 0xB0F>; |
| def : SysReg<"mhpmcounter16", 0xB10>; |
| def : SysReg<"mhpmcounter17", 0xB11>; |
| def : SysReg<"mhpmcounter18", 0xB12>; |
| def : SysReg<"mhpmcounter19", 0xB13>; |
| def : SysReg<"mhpmcounter20", 0xB14>; |
| def : SysReg<"mhpmcounter21", 0xB15>; |
| def : SysReg<"mhpmcounter22", 0xB16>; |
| def : SysReg<"mhpmcounter23", 0xB17>; |
| def : SysReg<"mhpmcounter24", 0xB18>; |
| def : SysReg<"mhpmcounter25", 0xB19>; |
| def : SysReg<"mhpmcounter26", 0xB1A>; |
| def : SysReg<"mhpmcounter27", 0xB1B>; |
| def : SysReg<"mhpmcounter28", 0xB1C>; |
| def : SysReg<"mhpmcounter29", 0xB1D>; |
| def : SysReg<"mhpmcounter30", 0xB1E>; |
| def : SysReg<"mhpmcounter31", 0xB1F>; |
| |
| let isRV32Only = 1 in { |
| def: SysReg<"mcycleh", 0xB80>; |
| def: SysReg<"minstreth", 0xB82>; |
| |
| def: SysReg<"mhpmcounter3h", 0xB83>; |
| def: SysReg<"mhpmcounter4h", 0xB84>; |
| def: SysReg<"mhpmcounter5h", 0xB85>; |
| def: SysReg<"mhpmcounter6h", 0xB86>; |
| def: SysReg<"mhpmcounter7h", 0xB87>; |
| def: SysReg<"mhpmcounter8h", 0xB88>; |
| def: SysReg<"mhpmcounter9h", 0xB89>; |
| def: SysReg<"mhpmcounter10h", 0xB8A>; |
| def: SysReg<"mhpmcounter11h", 0xB8B>; |
| def: SysReg<"mhpmcounter12h", 0xB8C>; |
| def: SysReg<"mhpmcounter13h", 0xB8D>; |
| def: SysReg<"mhpmcounter14h", 0xB8E>; |
| def: SysReg<"mhpmcounter15h", 0xB8F>; |
| def: SysReg<"mhpmcounter16h", 0xB90>; |
| def: SysReg<"mhpmcounter17h", 0xB91>; |
| def: SysReg<"mhpmcounter18h", 0xB92>; |
| def: SysReg<"mhpmcounter19h", 0xB93>; |
| def: SysReg<"mhpmcounter20h", 0xB94>; |
| def: SysReg<"mhpmcounter21h", 0xB95>; |
| def: SysReg<"mhpmcounter22h", 0xB96>; |
| def: SysReg<"mhpmcounter23h", 0xB97>; |
| def: SysReg<"mhpmcounter24h", 0xB98>; |
| def: SysReg<"mhpmcounter25h", 0xB99>; |
| def: SysReg<"mhpmcounter26h", 0xB9A>; |
| def: SysReg<"mhpmcounter27h", 0xB9B>; |
| def: SysReg<"mhpmcounter28h", 0xB9C>; |
| def: SysReg<"mhpmcounter29h", 0xB9D>; |
| def: SysReg<"mhpmcounter30h", 0xB9E>; |
| def: SysReg<"mhpmcounter31h", 0xB9F>; |
| } |
| |
| //===-------------------------- |
| // Machine Counter Setup |
| //===-------------------------- |
| let AltName = "mucounteren" in // Privileged spec v1.9.1 Name |
| def : SysReg<"mcountinhibit", 0x320>; |
| |
| def : SysReg<"mhpmevent3", 0x323>; |
| def : SysReg<"mhpmevent4", 0x324>; |
| def : SysReg<"mhpmevent5", 0x325>; |
| def : SysReg<"mhpmevent6", 0x326>; |
| def : SysReg<"mhpmevent7", 0x327>; |
| def : SysReg<"mhpmevent8", 0x328>; |
| def : SysReg<"mhpmevent9", 0x329>; |
| def : SysReg<"mhpmevent10", 0x32A>; |
| def : SysReg<"mhpmevent11", 0x32B>; |
| def : SysReg<"mhpmevent12", 0x32C>; |
| def : SysReg<"mhpmevent13", 0x32D>; |
| def : SysReg<"mhpmevent14", 0x32E>; |
| def : SysReg<"mhpmevent15", 0x32F>; |
| def : SysReg<"mhpmevent16", 0x330>; |
| def : SysReg<"mhpmevent17", 0x331>; |
| def : SysReg<"mhpmevent18", 0x332>; |
| def : SysReg<"mhpmevent19", 0x333>; |
| def : SysReg<"mhpmevent20", 0x334>; |
| def : SysReg<"mhpmevent21", 0x335>; |
| def : SysReg<"mhpmevent22", 0x336>; |
| def : SysReg<"mhpmevent23", 0x337>; |
| def : SysReg<"mhpmevent24", 0x338>; |
| def : SysReg<"mhpmevent25", 0x339>; |
| def : SysReg<"mhpmevent26", 0x33A>; |
| def : SysReg<"mhpmevent27", 0x33B>; |
| def : SysReg<"mhpmevent28", 0x33C>; |
| def : SysReg<"mhpmevent29", 0x33D>; |
| def : SysReg<"mhpmevent30", 0x33E>; |
| def : SysReg<"mhpmevent31", 0x33F>; |
| |
| //===----------------------------------------------- |
| // Debug/ Trace Registers (shared with Debug Mode) |
| //===----------------------------------------------- |
| def : SysReg<"tselect", 0x7A0>; |
| def : SysReg<"tdata1", 0x7A1>; |
| def : SysReg<"tdata2", 0x7A2>; |
| def : SysReg<"tdata3", 0x7A3>; |
| |
| //===----------------------------------------------- |
| // Debug Mode Registers |
| //===----------------------------------------------- |
| def : SysReg<"dcsr", 0x7B0>; |
| def : SysReg<"dpc", 0x7B1>; |
| |
| // "dscratch" is an alternative name for "dscratch0" which appeared in earlier |
| // drafts of the RISC-V debug spec |
| let AltName = "dscratch" in |
| def : SysReg<"dscratch0", 0x7B2>; |
| def : SysReg<"dscratch1", 0x7B3>; |
| |
| //===----------------------------------------------- |
| // User Vector CSRs |
| //===----------------------------------------------- |
| def : SysReg<"vstart", 0x008>; |
| def : SysReg<"vxsat", 0x009>; |
| def : SysReg<"vxrm", 0x00A>; |
| def : SysReg<"vl", 0xC20>; |
| def : SysReg<"vtype", 0xC21>; |
| def : SysReg<"vlenb", 0xC22>; |
