Factor out Opcodes and CSRs into separate files
This commit is contained in:
Peter Rugg
72
src_Core/RISCY_OOO/procs/lib/CSRs.bsvi
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72
src_Core/RISCY_OOO/procs/lib/CSRs.bsvi
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@@ -0,0 +1,72 @@
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// user standard CSRs
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`CSR(CSRfflags , 12'h001)
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`CSR(CSRfrm , 12'h002)
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`CSR(CSRfcsr , 12'h003)
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`CSR(CSRcycle , 12'hc00)
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`CSR(CSRtime , 12'hc01)
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`CSR(CSRinstret , 12'hc02)
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// user non-standard CSRs (TODO)
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`CSR(CSRterminate , 12'h800) // terminate (used to exit Linux)
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`CSR(CSRstats , 12'h801) // turn on/off perf counters
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// `CSR(CSRuccsr , 12'h8c0)
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// supervisor standard `CSR(CSRs
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`CSR(CSRsstatus , 12'h100)
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// no user trap handler, so no se/ideleg
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`CSR(CSRsie , 12'h104)
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`CSR(CSRstvec , 12'h105)
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`CSR(CSRscounteren , 12'h106)
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`CSR(CSRsscratch , 12'h140)
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`CSR(CSRsepc , 12'h141)
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`CSR(CSRscause , 12'h142)
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`CSR(CSRstval , 12'h143) // it's still called sbadaddr in spike
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`CSR(CSRsip , 12'h144)
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`CSR(CSRsatp , 12'h180) // it's still called sptbr in spike
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`CSR(CSRsccsr , 12'h9c0)
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// machine standard CSRs
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`CSR(CSRmstatus , 12'h300)
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`CSR(CSRmisa , 12'h301)
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`CSR(CSRmedeleg , 12'h302)
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`CSR(CSRmideleg , 12'h303)
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`CSR(CSRmie , 12'h304)
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`CSR(CSRmtvec , 12'h305)
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`CSR(CSRmcounteren , 12'h306)
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`CSR(CSRmscratch , 12'h340)
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`CSR(CSRmepc , 12'h341)
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`CSR(CSRmcause , 12'h342)
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`CSR(CSRmtval , 12'h343) // it's still called mbadaddr in spike
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`CSR(CSRmip , 12'h344)
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`CSR(CSRmcycle , 12'hb00)
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`CSR(CSRminstret , 12'hb02)
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`CSR(CSRmvendorid , 12'hf11)
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`CSR(CSRmarchid , 12'hf12)
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`CSR(CSRmimpid , 12'hf13)
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`CSR(CSRmhartid , 12'hf14)
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`CSR(CSRmccsr , 12'hbc0)
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`ifdef SECURITY
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// sanctum machine CSR
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`CSR(CSRmevbase , 12'h7c0)
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`CSR(CSRmevmask , 12'h7c1)
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`CSR(CSRmeatp , 12'h7c2)
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`CSR(CSRmmrbm , 12'h7c3)
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`CSR(CSRmemrbm , 12'h7c4)
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`CSR(CSRmparbase , 12'h7c5)
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`CSR(CSRmparmask , 12'h7c6)
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`CSR(CSRmeparbase , 12'h7c7)
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`CSR(CSRmeparmask , 12'h7c8)
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`CSR(CSRmflush , 12'h7c9) // flush pipeline + cache
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`CSR(CSRmspec , 12'h7ca) // control speculation
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// sanctum user CSR
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`CSR(CSRtrng , 12'hcc0) // random number for secure boot
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`endif
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`CSR(CSRtselect , 12'h7A0) // Debug/trace tselect
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`CSR(CSRtdata1 , 12'h7A1) // Debug/trace tdata1
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`CSR(CSRtdata2 , 12'h7A2) // Debug/trace tdata2
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`CSR(CSRtdata3 , 12'h7A3) // Debug/trace tdata3
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`ifdef INCLUDE_GDB_CONTROL
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`CSR(CSRdcsr , 12'h7B0) // Debug control and status
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`CSR(CSRdpc , 12'h7B1) // Debug PC
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`CSR(CSRdscratch0 , 12'h7B2) // Debug scratch0
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`CSR(CSRdscratch1 , 12'h7B3) // Debug scratch1
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`endif
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22
src_Core/RISCY_OOO/procs/lib/Opcodes.bsvi
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22
src_Core/RISCY_OOO/procs/lib/Opcodes.bsvi
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@@ -0,0 +1,22 @@
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`OPCODE(Load , 7'b0000011)
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`OPCODE(LoadFp , 7'b0000111)
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`OPCODE(MiscMem, 7'b0001111)
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`OPCODE(OpImm , 7'b0010011)
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`OPCODE(Auipc , 7'b0010111)
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`OPCODE(OpImm32, 7'b0011011)
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`OPCODE(Store , 7'b0100011)
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`OPCODE(StoreFp, 7'b0100111)
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`OPCODE(Amo , 7'b0101111)
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`OPCODE(Op , 7'b0110011)
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`OPCODE(Lui , 7'b0110111)
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`OPCODE(Op32 , 7'b0111011)
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`OPCODE(Fmadd , 7'b1000011)
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`OPCODE(Fmsub , 7'b1000111)
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`OPCODE(Fnmsub , 7'b1001011)
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`OPCODE(Fnmadd , 7'b1001111)
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`OPCODE(OpFp , 7'b1010011)
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`OPCODE(OpCHERI, 7'b1011011)
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`OPCODE(Branch , 7'b1100011)
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`OPCODE(Jalr , 7'b1100111)
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`OPCODE(Jal , 7'b1101111)
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`OPCODE(System , 7'b1110011)
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@@ -171,212 +171,37 @@ function Bool allRegsReady(RegsReady x);
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endfunction
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typedef enum {
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Invalid = 7'b0,
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Load = 7'b0000011,
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LoadFp = 7'b0000111,
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MiscMem = 7'b0001111,
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OpImm = 7'b0010011,
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Auipc = 7'b0010111,
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OpImm32 = 7'b0011011,
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Store = 7'b0100011,
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StoreFp = 7'b0100111,
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Amo = 7'b0101111,
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Op = 7'b0110011,
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Lui = 7'b0110111,
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Op32 = 7'b0111011,
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Fmadd = 7'b1000011,
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Fmsub = 7'b1000111,
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Fnmsub = 7'b1001011,
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Fnmadd = 7'b1001111,
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OpFp = 7'b1010011,
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OpCHERI = 7'b1011011,
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Branch = 7'b1100011,
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Jalr = 7'b1100111,
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Jal = 7'b1101111,
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System = 7'b1110011
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`define OPCODE(o,v) o = v,
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`include "Opcodes.bsvi"
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`undef OPCODE
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Invalid = 7'b0
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} Opcode deriving(Bits, Eq, FShow);
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function Opcode unpackOpcode(Bit#(7) x);
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return (case(x)
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pack(Opcode'(Load )): (Load );
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pack(Opcode'(LoadFp )): (LoadFp );
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pack(Opcode'(MiscMem)): (MiscMem);
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pack(Opcode'(OpImm )): (OpImm );
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pack(Opcode'(Auipc )): (Auipc );
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pack(Opcode'(OpImm32)): (OpImm32);
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pack(Opcode'(Store )): (Store );
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pack(Opcode'(StoreFp)): (StoreFp);
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pack(Opcode'(Amo )): (Amo );
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pack(Opcode'(Op )): (Op );
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pack(Opcode'(Lui )): (Lui );
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pack(Opcode'(Op32 )): (Op32 );
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pack(Opcode'(Fmadd )): (Fmadd );
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pack(Opcode'(Fmsub )): (Fmsub );
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pack(Opcode'(Fnmsub )): (Fnmsub );
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pack(Opcode'(Fnmadd )): (Fnmadd );
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pack(Opcode'(OpFp )): (OpFp );
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pack(Opcode'(OpCHERI)): (OpCHERI);
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pack(Opcode'(Branch )): (Branch );
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pack(Opcode'(Jalr )): (Jalr );
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pack(Opcode'(Jal )): (Jal );
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pack(Opcode'(System )): (System );
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default : (Invalid);
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`define OPCODE(o,v) pack(Opcode'(o)): (o);
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`include "Opcodes.bsvi"
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`undef OPCODE
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default : Invalid;
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endcase);
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endfunction
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/* If Bluespec never allows illegal values of sparse enumerated types, this function should replace the one above:
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function Opcode unpackOpcode(Bit#(7) x);
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Opcode test = unpack(x);
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if (pack(test) != x) return Invalid;
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else return test;
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endfunction
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*/
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typedef enum {
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// user standard CSRs
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CSRfflags = 12'h001,
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CSRfrm = 12'h002,
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CSRfcsr = 12'h003,
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CSRcycle = 12'hc00,
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CSRtime = 12'hc01,
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CSRinstret = 12'hc02,
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// user non-standard CSRs (TODO)
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CSRterminate = 12'h800, // terminate (used to exit Linux)
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CSRstats = 12'h801, // turn on/off perf counters
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CSRuccsr = 12'h8c0,
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// supervisor standard CSRs
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CSRsstatus = 12'h100,
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// no user trap handler, so no se/ideleg
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CSRsie = 12'h104,
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CSRstvec = 12'h105,
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CSRscounteren = 12'h106,
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CSRsscratch = 12'h140,
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CSRsepc = 12'h141,
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CSRscause = 12'h142,
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CSRstval = 12'h143, // it's still called sbadaddr in spike
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CSRsip = 12'h144,
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CSRsatp = 12'h180, // it's still called sptbr in spike
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CSRsccsr = 12'h9c0,
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// machine standard CSRs
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CSRmstatus = 12'h300,
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CSRmisa = 12'h301,
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CSRmedeleg = 12'h302,
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CSRmideleg = 12'h303,
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CSRmie = 12'h304,
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CSRmtvec = 12'h305,
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CSRmcounteren = 12'h306,
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CSRmscratch = 12'h340,
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CSRmepc = 12'h341,
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CSRmcause = 12'h342,
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CSRmtval = 12'h343, // it's still called mbadaddr in spike
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CSRmip = 12'h344,
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CSRmcycle = 12'hb00,
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CSRminstret = 12'hb02,
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CSRmvendorid = 12'hf11,
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CSRmarchid = 12'hf12,
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CSRmimpid = 12'hf13,
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CSRmhartid = 12'hf14,
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CSRmccsr = 12'hbc0,
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`ifdef SECURITY
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// sanctum machine CSR
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CSRmevbase = 12'h7c0,
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CSRmevmask = 12'h7c1,
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CSRmeatp = 12'h7c2,
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CSRmmrbm = 12'h7c3,
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CSRmemrbm = 12'h7c4,
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CSRmparbase = 12'h7c5,
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CSRmparmask = 12'h7c6,
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CSRmeparbase = 12'h7c7,
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CSRmeparmask = 12'h7c8,
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CSRmflush = 12'h7c9, // flush pipeline + cache
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CSRmspec = 12'h7ca, // control speculation
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// sanctum user CSR
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CSRtrng = 12'hcc0, // random number for secure boot
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`endif
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CSRtselect = 12'h7A0, // Debug/trace tselect
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CSRtdata1 = 12'h7A1, // Debug/trace tdata1
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CSRtdata2 = 12'h7A2, // Debug/trace tdata2
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CSRtdata3 = 12'h7A3, // Debug/trace tdata3
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`ifdef INCLUDE_GDB_CONTROL
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CSRdcsr = 12'h7B0, // Debug control and status
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CSRdpc = 12'h7B1, // Debug PC
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CSRdscratch0 = 12'h7B2, // Debug scratch0
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CSRdscratch1 = 12'h7B3, // Debug scratch1
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`endif
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`define CSR(c,v) c = v,
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`include "CSRs.bsvi"
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`undef CSR
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// CSR that catches all the unimplemented CSRs. To avoid exception on this,
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// make it a user non-standard read/write CSR.
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// Bluespec: in RenameStage.getTrap(), we force this to be a csr_access_trap
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CSRnone = 12'h8ff
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CSRnone = 12'h8ff
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} CSR deriving(Bits, Eq, FShow);
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function CSR unpackCSR(Bit#(12) x);
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return (case(x)
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pack(CSR'(CSRfflags )): (CSRfflags );
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pack(CSR'(CSRfrm )): (CSRfrm );
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pack(CSR'(CSRfcsr )): (CSRfcsr );
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pack(CSR'(CSRcycle )): (CSRcycle );
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pack(CSR'(CSRtime )): (CSRtime );
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pack(CSR'(CSRinstret )): (CSRinstret );
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pack(CSR'(CSRterminate )): (CSRterminate );
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pack(CSR'(CSRstats )): (CSRstats );
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pack(CSR'(CSRsstatus )): (CSRsstatus );
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pack(CSR'(CSRsie )): (CSRsie );
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pack(CSR'(CSRstvec )): (CSRstvec );
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pack(CSR'(CSRscounteren)): (CSRscounteren);
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pack(CSR'(CSRsscratch )): (CSRsscratch );
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pack(CSR'(CSRsepc )): (CSRsepc );
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pack(CSR'(CSRscause )): (CSRscause );
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pack(CSR'(CSRstval )): (CSRstval );
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pack(CSR'(CSRsip )): (CSRsip );
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pack(CSR'(CSRsatp )): (CSRsatp );
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pack(CSR'(CSRmstatus )): (CSRmstatus );
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pack(CSR'(CSRmisa )): (CSRmisa );
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pack(CSR'(CSRmedeleg )): (CSRmedeleg );
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pack(CSR'(CSRmideleg )): (CSRmideleg );
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pack(CSR'(CSRmie )): (CSRmie );
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pack(CSR'(CSRmtvec )): (CSRmtvec );
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pack(CSR'(CSRmcounteren)): (CSRmcounteren);
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pack(CSR'(CSRmscratch )): (CSRmscratch );
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pack(CSR'(CSRmepc )): (CSRmepc );
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pack(CSR'(CSRmcause )): (CSRmcause );
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pack(CSR'(CSRmtval )): (CSRmtval );
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pack(CSR'(CSRmip )): (CSRmip );
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pack(CSR'(CSRmcycle )): (CSRmcycle );
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pack(CSR'(CSRminstret )): (CSRminstret );
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pack(CSR'(CSRmvendorid )): (CSRmvendorid );
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pack(CSR'(CSRmarchid )): (CSRmarchid );
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pack(CSR'(CSRmimpid )): (CSRmimpid );
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pack(CSR'(CSRmhartid )): (CSRmhartid );
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`ifdef SECURITY
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pack(CSR'(CSRmevbase )): (CSRmevbase );
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pack(CSR'(CSRmevmask )): (CSRmevmask );
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pack(CSR'(CSRmeatp )): (CSRmeatp );
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pack(CSR'(CSRmmrbm )): (CSRmmrbm );
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pack(CSR'(CSRmemrbm )): (CSRmemrbm );
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pack(CSR'(CSRmparbase )): (CSRmparbase );
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pack(CSR'(CSRmparmask )): (CSRmparmask );
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pack(CSR'(CSRmeparbase )): (CSRmeparbase );
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pack(CSR'(CSRmeparmask )): (CSRmeparmask );
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pack(CSR'(CSRmflush )): (CSRmflush );
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pack(CSR'(CSRmspec )): (CSRmspec );
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pack(CSR'(CSRtrng )): (CSRtrng );
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`endif
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pack(CSR'(CSRtselect )): (CSRtselect );
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pack(CSR'(CSRtdata1 )): (CSRtdata1 );
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pack(CSR'(CSRtdata2 )): (CSRtdata2 );
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pack(CSR'(CSRtdata3 )): (CSRtdata3 );
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`ifdef INCLUDE_GDB_CONTROL
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pack(CSR'(CSRdcsr )): (CSRdcsr );
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pack(CSR'(CSRdpc )): (CSRdpc );
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pack(CSR'(CSRdscratch0 )): (CSRdscratch0 );
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pack(CSR'(CSRdscratch1 )): (CSRdscratch1 );
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`endif
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default : (CSRnone );
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`define CSR(c,v) pack(CSR'(c)): (c);
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`include "CSRs.bsvi"
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`undef CSR
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default : (CSRnone );
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endcase);
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endfunction
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