package rocket import Chisel._ import Node._ import Constants._ import Instructions._ import hwacha._ import ALU._ class ioCtrlDpath extends Bundle() { // outputs to datapath val sel_pc = UFix(OUTPUT, 3); val killd = Bool(OUTPUT); val ren2 = Bool(OUTPUT); val ren1 = Bool(OUTPUT); val sel_alu2 = UFix(OUTPUT, 3); val fn_dw = Bool(OUTPUT); val fn_alu = UFix(OUTPUT, 4); val mul_val = Bool(OUTPUT); val mul_fn = Bits(OUTPUT, 2); val mul_kill = Bool(OUTPUT) val div_val = Bool(OUTPUT); val div_fn = Bits(OUTPUT, 2); val div_kill = Bool(OUTPUT) val sel_wa = Bool(OUTPUT); val sel_wb = UFix(OUTPUT, 3); val pcr = UFix(OUTPUT, 3) val wb_eret = Bool(OUTPUT); val mem_load = Bool(OUTPUT); val ex_fp_val= Bool(OUTPUT); val mem_fp_val= Bool(OUTPUT); val ex_wen = Bool(OUTPUT); val ex_jalr = Bool(OUTPUT) val mem_wen = Bool(OUTPUT); val wb_wen = Bool(OUTPUT); val wb_valid = Bool(OUTPUT) val flush_inst = Bool(OUTPUT); val ex_mem_type = Bits(OUTPUT, 3) // exception handling val exception = Bool(OUTPUT); val cause = UFix(OUTPUT, 6); val badvaddr_wen = Bool(OUTPUT); // high for a load/store access fault val vec_irq_aux_wen = Bool(OUTPUT) // inputs from datapath val inst = Bits(INPUT, 32); val jalr_eq = Bool(INPUT) val br_eq = Bool(INPUT); val br_lt = Bool(INPUT); val br_ltu = Bool(INPUT); val div_rdy = Bool(INPUT); val div_result_val = Bool(INPUT); val mul_rdy = Bool(INPUT); val mul_result_val = Bool(INPUT); val mem_wb = Bool(INPUT); val ex_waddr = UFix(INPUT, 5); // write addr from execute stage val mem_waddr = UFix(INPUT, 5); // write addr from memory stage val wb_waddr = UFix(INPUT, 5); // write addr from writeback stage val status = Bits(INPUT, 32); val sboard_clr = Bool(INPUT); val sboard_clra = UFix(INPUT, 5); val fp_sboard_clr = Bool(INPUT); val fp_sboard_clra = UFix(INPUT, 5); val fp_sboard_wb_waddr = UFix(INPUT, 5); val irq_timer = Bool(INPUT); val irq_ipi = Bool(INPUT); val pcr_replay = Bool(INPUT) } abstract trait DecodeConstants { val xpr64 = Y; val decode_default = // jalr eret // fp_val | renx2 div_val | syscall // | vec_val | | renx1 mem_val mul_val | wen pcr | | privileged // val | | brtype | | | s_alu2 dw alu | mem_cmd mem_type| mul_fn | | s_wa s_wb | sync | | | replay_next // | | | | | | | | | | | | | | | | | | | | | | | | | List(N, X,X,BR_X, X,X,X,A2_X, DW_X, FN_X, N,M_X, MT_X, X,MUL_X, X,X,WA_X, WB_X, PCR_X,SYNC_X,X,X,X,X) val table: Array[(Bits, List[Bits])] } object XDecode extends DecodeConstants { val table = Array( // jalr eret // fp_val | renx2 div_val | syscall // | vec_val | | renx1 mem_val mul_val | wen pcr | | privileged // val | | brtype | | | s_alu2 dw alu | mem_cmd mem_type| mul_fn | | s_wa s_wb | sync | | | replay_next // | | | | | | | | | | | | | | | | | | | | | | | | | BNE-> List(Y, N,N,BR_NE, N,Y,Y,A2_BTYPE,DW_X, FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,N,N), BEQ-> List(Y, N,N,BR_EQ, N,Y,Y,A2_BTYPE,DW_X, FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,N,N), BLT-> List(Y, N,N,BR_LT, N,Y,Y,A2_BTYPE,DW_X, FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,N,N), BLTU-> List(Y, N,N,BR_LTU,N,Y,Y,A2_BTYPE,DW_X, FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,N,N), BGE-> List(Y, N,N,BR_GE, N,Y,Y,A2_BTYPE,DW_X, FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,N,N), BGEU-> List(Y, N,N,BR_GEU,N,Y,Y,A2_BTYPE,DW_X, FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,N,N), J-> List(Y, N,N,BR_J, N,N,N,A2_JTYPE,DW_X, FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,N,N), JAL-> List(Y, N,N,BR_J, N,N,N,A2_JTYPE,DW_X, FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RA,WB_PC, PCR_N,SYNC_N,N,N,N,N), JALR_C-> List(Y, N,N,BR_N, Y,N,Y,A2_ITYPE,DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_PC, PCR_N,SYNC_N,N,N,N,N), JALR_J-> List(Y, N,N,BR_N, Y,N,Y,A2_ITYPE,DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_PC, PCR_N,SYNC_N,N,N,N,N), JALR_R-> List(Y, N,N,BR_N, Y,N,Y,A2_ITYPE,DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_PC, PCR_N,SYNC_N,N,N,N,N), RDNPC-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_PC, PCR_N,SYNC_N,N,N,N,N), LB-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, Y,M_XRD, MT_B, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), LH-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, Y,M_XRD, MT_H, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), LW-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, Y,M_XRD, MT_W, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), LD-> List(xpr64,N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, Y,M_XRD, MT_D, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), LBU-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, Y,M_XRD, MT_BU,N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), LHU-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, Y,M_XRD, MT_HU,N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), LWU-> List(xpr64,N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, Y,M_XRD, MT_WU,N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SB-> List(Y, N,N,BR_N, N,Y,Y,A2_BTYPE,DW_XPR,FN_ADD, Y,M_XWR, MT_B, N,MUL_X, N,N,WA_X, WB_ALU,PCR_N,SYNC_N,N,N,N,N), SH-> List(Y, N,N,BR_N, N,Y,Y,A2_BTYPE,DW_XPR,FN_ADD, Y,M_XWR, MT_H, N,MUL_X, N,N,WA_X, WB_ALU,PCR_N,SYNC_N,N,N,N,N), SW-> List(Y, N,N,BR_N, N,Y,Y,A2_BTYPE,DW_XPR,FN_ADD, Y,M_XWR, MT_W, N,MUL_X, N,N,WA_X, WB_ALU,PCR_N,SYNC_N,N,N,N,N), SD-> List(xpr64,N,N,BR_N, N,Y,Y,A2_BTYPE,DW_XPR,FN_ADD, Y,M_XWR, MT_D, N,MUL_X, N,N,WA_X, WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOADD_W-> List(Y, N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_ADD, MT_W, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOSWAP_W-> List(Y, N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_SWAP,MT_W, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOAND_W-> List(Y, N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_AND, MT_W, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOOR_W-> List(Y, N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_OR, MT_W, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOMIN_W-> List(Y, N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_MIN, MT_W, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOMINU_W-> List(Y, N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_MINU,MT_W, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOMAX_W-> List(Y, N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_MAX, MT_W, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOMAXU_W-> List(Y, N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_MAXU,MT_W, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOADD_D-> List(xpr64,N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_ADD, MT_D, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOSWAP_D-> List(xpr64,N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_SWAP,MT_D, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOAND_D-> List(xpr64,N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_AND, MT_D, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOOR_D-> List(xpr64,N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_OR, MT_D, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOMIN_D-> List(xpr64,N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_MIN, MT_D, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOMINU_D-> List(xpr64,N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_MINU,MT_D, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOMAX_D-> List(xpr64,N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_MAX, MT_D, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), AMOMAXU_D-> List(xpr64,N,N,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, Y,M_XA_MAXU,MT_D, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), LUI-> List(Y, N,N,BR_N, N,N,N,A2_LTYPE,DW_XPR,FN_OP2, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), ADDI-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SLTI -> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_SLT, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SLTIU-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_SLTU,N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), ANDI-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_AND, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), ORI-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_OR, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), XORI-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_XOR, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SLLI-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_SL, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SRLI-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_SR, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SRAI-> List(Y, N,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_SRA, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), ADD-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SUB-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_SUB, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SLT-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_SLT, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SLTU-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_SLTU,N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), riscvAND-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_AND, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), riscvOR-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_OR, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), riscvXOR-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_XOR, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SLL-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_SL, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SRL-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_SR, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SRA-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_SRA, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), ADDIW-> List(xpr64,N,N,BR_N, N,N,Y,A2_ITYPE,DW_32,FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SLLIW-> List(xpr64,N,N,BR_N, N,N,Y,A2_ITYPE,DW_32,FN_SL, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SRLIW-> List(xpr64,N,N,BR_N, N,N,Y,A2_ITYPE,DW_32,FN_SR, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SRAIW-> List(xpr64,N,N,BR_N, N,N,Y,A2_ITYPE,DW_32,FN_SRA, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), ADDW-> List(xpr64,N,N,BR_N, N,Y,Y,A2_RTYPE,DW_32,FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SUBW-> List(xpr64,N,N,BR_N, N,Y,Y,A2_RTYPE,DW_32,FN_SUB, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SLLW-> List(xpr64,N,N,BR_N, N,Y,Y,A2_RTYPE,DW_32,FN_SL, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SRLW-> List(xpr64,N,N,BR_N, N,Y,Y,A2_RTYPE,DW_32,FN_SR, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), SRAW-> List(xpr64,N,N,BR_N, N,Y,Y,A2_RTYPE,DW_32,FN_SRA, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), MUL-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_X, N,M_X, MT_X, Y,MUL_LO, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), MULH-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_X, N,M_X, MT_X, Y,MUL_H, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), MULHU-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_X, N,M_X, MT_X, Y,MUL_HU, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), MULHSU-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_X, N,M_X, MT_X, Y,MUL_HSU,N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), MULW-> List(xpr64,N,N,BR_N, N,Y,Y,A2_RTYPE,DW_32, FN_X, N,M_X, MT_X, Y,MUL_LO, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), DIV-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_X, N,M_X, MT_X, N,DIV_D, Y,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), DIVU-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_X, N,M_X, MT_X, N,DIV_DU, Y,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), REM-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_X, N,M_X, MT_X, N,DIV_R, Y,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), REMU-> List(Y, N,N,BR_N, N,Y,Y,A2_RTYPE,DW_XPR,FN_X, N,M_X, MT_X, N,DIV_RU, Y,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), DIVW-> List(xpr64,N,N,BR_N, N,Y,Y,A2_RTYPE,DW_32, FN_X, N,M_X, MT_X, N,DIV_D, Y,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), DIVUW-> List(xpr64,N,N,BR_N, N,Y,Y,A2_RTYPE,DW_32, FN_X, N,M_X, MT_X, N,DIV_DU, Y,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), REMW-> List(xpr64,N,N,BR_N, N,Y,Y,A2_RTYPE,DW_32, FN_X, N,M_X, MT_X, N,DIV_R, Y,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), REMUW-> List(xpr64,N,N,BR_N, N,Y,Y,A2_RTYPE,DW_32, FN_X, N,M_X, MT_X, N,DIV_RU, Y,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), SYSCALL-> List(Y, N,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,Y,N,N), SETPCR-> List(Y, N,N,BR_N, N,N,N,A2_ITYPE,DW_XPR,FN_OP2, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_S,SYNC_N,N,N,Y,Y), CLEARPCR-> List(Y, N,N,BR_N, N,N,N,A2_ITYPE,DW_XPR,FN_OP2, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_C,SYNC_N,N,N,Y,Y), ERET-> List(Y, N,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,Y,N,Y,N), FENCE-> List(Y, N,N,BR_N, N,N,N,A2_X, DW_X, FN_X, Y,M_FENCE, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_D,N,N,N,N), FENCE_I-> List(Y, N,N,BR_N, N,N,N,A2_X, DW_X, FN_X, Y,M_FLA, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_I,N,N,N,Y), CFLUSH-> List(Y, N,N,BR_N, N,N,N,A2_X, DW_X, FN_X, Y,M_FLA, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,Y,Y), MFPCR-> List(Y, N,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_F,SYNC_N,N,N,Y,Y), MTPCR-> List(Y, N,N,BR_N, N,Y,N,A2_RTYPE,DW_XPR,FN_OP2, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_T,SYNC_N,N,N,Y,Y), RDTIME-> List(Y, N,N,BR_N, N,N,N,A2_X, DW_XPR,FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_TSC,PCR_N,SYNC_N,N,N,N,N), RDCYCLE-> List(Y, N,N,BR_N, N,N,N,A2_X, DW_XPR,FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_TSC,PCR_N,SYNC_N,N,N,N,N), RDINSTRET-> List(Y, N,N,BR_N, N,N,N,A2_X, DW_XPR,FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_IRT,PCR_N,SYNC_N,N,N,N,N)) } object FDecode extends DecodeConstants { val table = Array( // jalr eret // fp_val | renx2 div_val | syscall // | vec_val | | renx1 mem_val mul_val | wen pcr | | privileged // val | | brtype | | | s_alu2 dw alu | mem_cmd mem_type| mul_fn | | s_wa s_wb | sync | | | replay_next // | | | | | | | | | | | | | | | | | | | | | | | | | FCVT_S_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_D_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FSGNJ_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FSGNJ_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FSGNJX_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FSGNJX_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FSGNJN_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FSGNJN_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FMIN_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FMIN_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FMAX_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FMAX_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FADD_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FADD_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FSUB_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FSUB_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FMUL_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FMUL_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FMADD_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FMADD_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FMSUB_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FMSUB_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FNMADD_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FNMADD_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FNMSUB_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FNMSUB_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), MFTX_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), MFTX_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_W_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_W_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_WU_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_WU_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_L_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_L_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_LU_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_LU_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FEQ_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FEQ_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FLT_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FLT_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FLE_S-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FLE_D-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), MXTF_S-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), MXTF_D-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_S_W-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_D_W-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_S_WU-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_D_WU-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_S_L-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_D_L-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_S_LU-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FCVT_D_LU-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), MFFSR-> List(FPU_Y,Y,N,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), MTFSR-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FLW-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, Y,M_XRD, MT_W, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), FLD-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, Y,M_XRD, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), FSW-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_BTYPE,DW_XPR,FN_ADD, Y,M_XWR, MT_W, N,MUL_X, N,N,WA_X, WB_ALU,PCR_N,SYNC_N,N,N,N,N), FSD-> List(FPU_Y,Y,N,BR_N, N,N,Y,A2_BTYPE,DW_XPR,FN_ADD, Y,M_XWR, MT_D, N,MUL_X, N,N,WA_X, WB_ALU,PCR_N,SYNC_N,N,N,N,N)) } object VDecode extends DecodeConstants { val table = Array( // jalr eret // fp_val | renx2 div_val | syscall // | vec_val | | renx1 mem_val mul_val | wen pcr | | privileged // val | | brtype | | | s_alu2 dw alu | mem_cmd mem_type| mul_fn | | s_wa s_wb | sync | | | replay_next // | | | | | | | | | | | | | | | | | | | | | | | | | VVCFGIVL-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,Y), VVCFG-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,Y), VSETVL-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,Y,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,Y), VF-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ITYPE,DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_ALU,PCR_N,SYNC_N,N,N,N,N), VMVV-> List(VEC_Y,N,Y,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), VMSV-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VFMVV-> List(VEC_Y,N,Y,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_X, PCR_N,SYNC_N,N,N,N,N), FENCE_V_L-> List(VEC_Y,N,Y,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,N,N), FENCE_V_G-> List(VEC_Y,N,Y,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_D,N,N,N,N), VLD-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLW-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLWU-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLH-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLHU-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLB-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLBU-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VSD-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VSW-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VSH-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VSB-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VFLD-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VFLW-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VFSD-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VFSW-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLSTD-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLSTW-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLSTWU-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLSTH-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLSTHU-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLSTB-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VLSTBU-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VSSTD-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VSSTW-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VSSTH-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VSSTB-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VFLSTD-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VFLSTW-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VFSSTD-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VFSSTW-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_D, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,N,N), VENQCMD-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,Y,N), VENQIMM1-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,Y,N), VENQIMM2-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,Y,N), VENQCNT-> List(VEC_Y,N,Y,BR_N, N,Y,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,Y,N), VXCPTEVAC-> List(VEC_Y,N,Y,BR_N, N,N,Y,A2_ZERO, DW_XPR,FN_ADD, N,M_X, MT_X, N,MUL_X, N,N,WA_RD,WB_ALU,PCR_N,SYNC_N,N,N,Y,N), VXCPTKILL-> List(VEC_Y,N,Y,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,Y,N), VXCPTHOLD-> List(VEC_Y,N,Y,BR_N, N,N,N,A2_X, DW_X, FN_X, N,M_X, MT_X, N,MUL_X, N,N,WA_X, WB_X, PCR_N,SYNC_N,N,N,Y,N)) } class Control(implicit conf: RocketConfiguration) extends Component { val io = new Bundle { val dpath = new ioCtrlDpath val imem = new IOCPUFrontend()(conf.icache) val dmem = new ioHellaCache()(conf.dcache) val dtlb_val = Bool(OUTPUT) val dtlb_kill = Bool(OUTPUT) val dtlb_rdy = Bool(INPUT) val dtlb_miss = Bool(INPUT) val xcpt_dtlb_ld = Bool(INPUT) val xcpt_dtlb_st = Bool(INPUT) val fpu = new ioCtrlFPU val vec_dpath = new ioCtrlDpathVec val vec_iface = new ioCtrlVecInterface } var decode_table = XDecode.table if (HAVE_FPU) decode_table ++= FDecode.table if (HAVE_VEC) decode_table ++= VDecode.table val cs = DecodeLogic(io.dpath.inst, XDecode.decode_default, decode_table) val id_int_val :: id_fp_val :: id_vec_val :: id_br_type :: id_jalr :: id_renx2 :: id_renx1 :: id_sel_alu2 :: id_fn_dw :: id_fn_alu :: cs0 = cs val id_mem_val :: id_mem_cmd :: id_mem_type :: id_mul_val :: id_mul_fn :: id_div_val :: id_wen :: id_sel_wa :: id_sel_wb :: cs1 = cs0 val id_pcr :: id_sync :: id_eret :: id_syscall :: id_privileged :: id_replay_next :: Nil = cs1 val id_raddr3 = io.dpath.inst(16,12); val id_raddr2 = io.dpath.inst(21,17); val id_raddr1 = io.dpath.inst(26,22); val id_waddr = Mux(id_sel_wa === WA_RA, RA, io.dpath.inst(31,27)); val id_load_use = Bool(); val ex_reg_xcpt_interrupt = Reg(resetVal = Bool(false)) val ex_reg_valid = Reg(resetVal = Bool(false)) val ex_reg_eret = Reg(resetVal = Bool(false)) val ex_reg_wen = Reg(resetVal = Bool(false)) val ex_reg_fp_wen = Reg(resetVal = Bool(false)) val ex_reg_flush_inst = Reg(resetVal = Bool(false)) val ex_reg_jalr = Reg(resetVal = Bool(false)) val ex_reg_btb_hit = Reg(resetVal = Bool(false)) val ex_reg_div_val = Reg(resetVal = Bool(false)) val ex_reg_mul_val = Reg(resetVal = Bool(false)) val ex_reg_mem_val = Reg(resetVal = Bool(false)) val ex_reg_xcpt = Reg(resetVal = Bool(false)) val ex_reg_fp_val = Reg(resetVal = Bool(false)) val ex_reg_vec_val = Reg(resetVal = Bool(false)) val ex_reg_replay_next = Reg(resetVal = Bool(false)) val ex_reg_load_use = Reg(resetVal = Bool(false)) val ex_reg_pcr = Reg(resetVal = PCR_N) val ex_reg_br_type = Reg(resetVal = BR_N) val ex_reg_mul_fn = Reg(){Bits()} val ex_reg_mem_cmd = Reg(){Bits()} val ex_reg_mem_type = Reg(){Bits()} val ex_reg_cause = Reg(){UFix()} val mem_reg_xcpt_interrupt = Reg(resetVal = Bool(false)) val mem_reg_valid = Reg(resetVal = Bool(false)) val mem_reg_eret = Reg(resetVal = Bool(false)) val mem_reg_wen = Reg(resetVal = Bool(false)) val mem_reg_fp_wen = Reg(resetVal = Bool(false)) val mem_reg_flush_inst = Reg(resetVal = Bool(false)) val mem_reg_div_val = Reg(resetVal = Bool(false)) val mem_reg_mul_val = Reg(resetVal = Bool(false)) val mem_reg_mem_val = Reg(resetVal = Bool(false)) val mem_reg_xcpt = Reg(resetVal = Bool(false)) val mem_reg_fp_val = Reg(resetVal = Bool(false)) val mem_reg_replay = Reg(resetVal = Bool(false)) val mem_reg_replay_next = Reg(resetVal = Bool(false)) val mem_reg_pcr = Reg(resetVal = PCR_N) val mem_reg_cause = Reg(){UFix()} val mem_reg_mem_type = Reg(){Bits()} val wb_reg_valid = Reg(resetVal = Bool(false)) val wb_reg_pcr = Reg(resetVal = PCR_N) val wb_reg_wen = Reg(resetVal = Bool(false)) val wb_reg_fp_wen = Reg(resetVal = Bool(false)) val wb_reg_flush_inst = Reg(resetVal = Bool(false)) val wb_reg_eret = Reg(resetVal = Bool(false)) val wb_reg_xcpt = Reg(resetVal = Bool(false)) val wb_reg_replay = Reg(resetVal = Bool(false)) val wb_reg_replay_next = Reg(resetVal = Bool(false)) val wb_reg_cause = Reg(){UFix()} val wb_reg_fp_val = Reg(resetVal = Bool(false)) val wb_reg_dcache_miss = Reg(io.dmem.resp.bits.miss || io.dmem.resp.bits.nack, resetVal = Bool(false)) val wb_reg_div_mul_val = Reg(resetVal = Bool(false)) val take_pc = Bool() val take_pc_wb = Bool() val ctrl_killd = Bool() val ctrl_killx = Bool() val ctrl_killm = Bool() val id_maskable_interrupts = List( (io.dpath.irq_ipi, IRQ_IPI), (io.dpath.irq_timer, IRQ_TIMER)) var id_interrupts = id_maskable_interrupts.map(i => (io.dpath.status(SR_IM+i._2) && i._1, UFix(CAUSE_INTERRUPT+i._2))) var vec_replay = Bool(false) var vec_stalld = Bool(false) if (HAVE_VEC) { // vector control val vec = new rocketCtrlVec() io.vec_dpath <> vec.io.dpath io.vec_iface <> vec.io.iface vec.io.valid := wb_reg_valid vec.io.s := io.dpath.status(SR_S) vec.io.sr_ev := io.dpath.status(SR_EV) vec.io.exception := wb_reg_xcpt vec.io.eret := wb_reg_eret val vec_dec = new rocketCtrlVecDecoder() vec_dec.io.inst := io.dpath.inst val s = io.dpath.status(SR_S) val mask_cmdq_ready = !vec_dec.io.sigs.enq_cmdq || s && io.vec_iface.vcmdq_ready || !s && io.vec_iface.vcmdq_user_ready val mask_ximm1q_ready = !vec_dec.io.sigs.enq_ximm1q || s && io.vec_iface.vximm1q_ready || !s && io.vec_iface.vximm1q_user_ready val mask_ximm2q_ready = !vec_dec.io.sigs.enq_ximm2q || s && io.vec_iface.vximm2q_ready || !s && io.vec_iface.vximm2q_user_ready val mask_cntq_ready = !vec_dec.io.sigs.enq_cntq || io.vec_iface.vcntq_ready val mask_pfcmdq_ready = !vec_dec.io.sigs.enq_pfcmdq || io.vec_iface.vpfcmdq_ready val mask_pfximm1q_ready = !vec_dec.io.sigs.enq_pfximm1q || io.vec_iface.vpfximm1q_ready val mask_pfximm2q_ready = !vec_dec.io.sigs.enq_pfximm2q || io.vec_iface.vpfximm2q_ready val mask_pfcntq_ready = !vec_dec.io.sigs.enq_pfcntq || io.vec_iface.vpfcntq_ready vec_stalld = id_vec_val && ( !mask_cmdq_ready || !mask_ximm1q_ready || !mask_ximm2q_ready || !mask_cntq_ready || !mask_pfcmdq_ready || !mask_pfximm1q_ready || !mask_pfximm2q_ready || !mask_pfcntq_ready || vec_dec.io.sigs.vfence && !vec.io.vfence_ready) vec_replay = vec.io.replay id_interrupts = id_interrupts :+ (vec.io.irq, vec.io.irq_cause) } val (id_interrupt_unmasked, id_interrupt_cause) = checkExceptions(id_interrupts) val id_interrupt = io.dpath.status(SR_ET) && id_interrupt_unmasked def checkExceptions(x: Seq[(Bits, UFix)]) = (x.map(_._1).reduce(_||_), PriorityMux(x)) // executing ERET when traps are enabled causes an illegal instruction exception val illegal_inst = !id_int_val.toBool || (id_eret.toBool && io.dpath.status(SR_ET)) val (id_xcpt, id_cause) = checkExceptions(List( (id_interrupt, id_interrupt_cause), (io.imem.resp.bits.xcpt_ma, UFix(0)), (io.imem.resp.bits.xcpt_if, UFix(1)), (illegal_inst, UFix(2)), (id_privileged && !io.dpath.status(SR_S), UFix(3)), (id_fp_val && !io.dpath.status(SR_EF), UFix(4)), (id_syscall, UFix(6)), (id_vec_val && !io.dpath.status(SR_EV), UFix(12)))) ex_reg_xcpt_interrupt := id_interrupt && !take_pc && io.imem.resp.valid when (id_xcpt) { ex_reg_cause := id_cause } when (ctrl_killd) { ex_reg_jalr := Bool(false) ex_reg_btb_hit := Bool(false); ex_reg_div_val := Bool(false); ex_reg_mul_val := Bool(false); ex_reg_mem_val := Bool(false); ex_reg_valid := Bool(false); ex_reg_wen := Bool(false); ex_reg_fp_wen := Bool(false); ex_reg_eret := Bool(false); ex_reg_flush_inst := Bool(false); ex_reg_fp_val := Bool(false); ex_reg_vec_val := Bool(false); ex_reg_replay_next := Bool(false); ex_reg_load_use := Bool(false); ex_reg_pcr := PCR_N ex_reg_br_type := BR_N ex_reg_xcpt := Bool(false) } .otherwise { ex_reg_br_type := id_br_type; ex_reg_jalr := id_jalr ex_reg_btb_hit := io.imem.resp.bits.taken ex_reg_div_val := id_div_val ex_reg_mul_val := id_mul_val ex_reg_mul_fn := id_mul_fn.toUFix ex_reg_mem_val := id_mem_val.toBool; ex_reg_valid := Bool(true) ex_reg_pcr := id_pcr ex_reg_wen := id_wen ex_reg_fp_wen := id_fp_val && io.fpu.dec.wen ex_reg_eret := id_eret.toBool; ex_reg_flush_inst := (id_sync === SYNC_I); ex_reg_fp_val := id_fp_val ex_reg_vec_val := id_vec_val.toBool ex_reg_replay_next := id_replay_next ex_reg_load_use := id_load_use; ex_reg_mem_cmd := id_mem_cmd ex_reg_mem_type := id_mem_type.toUFix ex_reg_xcpt := id_xcpt } val br_taken = Mux(ex_reg_br_type === BR_EQ, io.dpath.br_eq, Mux(ex_reg_br_type === BR_NE, ~io.dpath.br_eq, Mux(ex_reg_br_type === BR_LT, io.dpath.br_lt, Mux(ex_reg_br_type === BR_GE, ~io.dpath.br_lt, Mux(ex_reg_br_type === BR_LTU, io.dpath.br_ltu, Mux(ex_reg_br_type === BR_GEU, ~io.dpath.br_ltu, ex_reg_br_type === BR_J)))))) val take_pc_ex = !Mux(ex_reg_jalr, ex_reg_btb_hit && io.dpath.jalr_eq, ex_reg_btb_hit === br_taken) val (ex_xcpt, ex_cause) = checkExceptions(List( (ex_reg_xcpt_interrupt || ex_reg_xcpt, ex_reg_cause), (ex_reg_fp_val && io.fpu.illegal_rm, UFix(2)))) mem_reg_xcpt_interrupt := ex_reg_xcpt_interrupt && !take_pc_wb when (ex_xcpt) { mem_reg_cause := ex_cause } mem_reg_div_val := ex_reg_div_val && io.dpath.div_rdy mem_reg_mul_val := ex_reg_mul_val && io.dpath.mul_rdy when (ctrl_killx) { mem_reg_valid := Bool(false); mem_reg_pcr := PCR_N mem_reg_wen := Bool(false); mem_reg_fp_wen := Bool(false); mem_reg_eret := Bool(false); mem_reg_mem_val := Bool(false); mem_reg_flush_inst := Bool(false); mem_reg_fp_val := Bool(false); mem_reg_replay_next := Bool(false) mem_reg_xcpt := Bool(false) } .otherwise { mem_reg_valid := ex_reg_valid mem_reg_pcr := ex_reg_pcr mem_reg_wen := ex_reg_wen; mem_reg_fp_wen := ex_reg_fp_wen; mem_reg_eret := ex_reg_eret; mem_reg_mem_val := ex_reg_mem_val; mem_reg_flush_inst := ex_reg_flush_inst; mem_reg_fp_val := ex_reg_fp_val mem_reg_replay_next := ex_reg_replay_next mem_reg_mem_type := ex_reg_mem_type mem_reg_xcpt := ex_xcpt } val (mem_xcpt, mem_cause) = checkExceptions(List( (mem_reg_xcpt_interrupt || mem_reg_xcpt, mem_reg_cause), (mem_reg_mem_val && io.dmem.xcpt.ma.ld, UFix( 8)), (mem_reg_mem_val && io.dmem.xcpt.ma.st, UFix( 9)), (mem_reg_mem_val && io.xcpt_dtlb_ld, UFix(10)), (mem_reg_mem_val && io.xcpt_dtlb_st, UFix(11)))) wb_reg_xcpt := mem_xcpt && !take_pc_wb && !wb_reg_replay_next when (mem_xcpt) { wb_reg_cause := mem_cause } when (ctrl_killm) { wb_reg_valid := Bool(false) wb_reg_pcr := PCR_N wb_reg_wen := Bool(false); wb_reg_fp_wen := Bool(false); wb_reg_eret := Bool(false); wb_reg_flush_inst := Bool(false); wb_reg_div_mul_val := Bool(false); wb_reg_fp_val := Bool(false) wb_reg_replay_next := Bool(false) } .otherwise { wb_reg_valid := mem_reg_valid wb_reg_pcr := mem_reg_pcr wb_reg_wen := mem_reg_wen; wb_reg_fp_wen := mem_reg_fp_wen; wb_reg_eret := mem_reg_eret && !mem_reg_replay wb_reg_flush_inst := mem_reg_flush_inst; wb_reg_div_mul_val := mem_reg_div_val || mem_reg_mul_val wb_reg_fp_val := mem_reg_fp_val wb_reg_replay_next := mem_reg_replay_next } val sboard = new rocketCtrlSboard(32, 3, 2); sboard.io.r(0).addr := id_raddr2.toUFix; sboard.io.r(1).addr := id_raddr1.toUFix; sboard.io.r(2).addr := id_waddr.toUFix; // scoreboard set (for D$ misses, div, mul) sboard.io.w(0).en := wb_reg_div_mul_val || wb_reg_dcache_miss && wb_reg_wen sboard.io.w(0).data := Bool(true) sboard.io.w(0).addr := io.dpath.wb_waddr sboard.io.w(1).en := io.dpath.sboard_clr sboard.io.w(1).data := Bool(false) sboard.io.w(1).addr := io.dpath.sboard_clra val id_stall_raddr2 = id_renx2.toBool && sboard.io.r(0).data val id_stall_raddr1 = id_renx1.toBool && sboard.io.r(1).data val id_stall_waddr = id_wen.toBool && sboard.io.r(2).data var id_stall_fpu = Bool(false) if (HAVE_FPU) { val fp_sboard = new rocketCtrlSboard(32, 4, 3); fp_sboard.io.r(0).addr := id_raddr1.toUFix fp_sboard.io.r(1).addr := id_raddr2.toUFix fp_sboard.io.r(2).addr := id_raddr3.toUFix fp_sboard.io.r(3).addr := id_waddr.toUFix fp_sboard.io.w(0).en := wb_reg_dcache_miss && wb_reg_fp_wen || io.fpu.sboard_set fp_sboard.io.w(0).data := Bool(true) fp_sboard.io.w(0).addr := io.dpath.fp_sboard_wb_waddr fp_sboard.io.w(1).en := io.dpath.fp_sboard_clr fp_sboard.io.w(1).data := Bool(false) fp_sboard.io.w(1).addr := io.dpath.fp_sboard_clra fp_sboard.io.w(2).en := io.fpu.sboard_clr fp_sboard.io.w(2).data := Bool(false) fp_sboard.io.w(2).addr := io.fpu.sboard_clra id_stall_fpu = io.fpu.dec.ren1 && fp_sboard.io.r(0).data || io.fpu.dec.ren2 && fp_sboard.io.r(1).data || io.fpu.dec.ren3 && fp_sboard.io.r(2).data || io.fpu.dec.wen && fp_sboard.io.r(3).data } // replay inst in ex stage val replay_ex = wb_reg_dcache_miss && ex_reg_load_use || mem_reg_flush_inst || ex_reg_mem_val && !(io.dmem.req.ready && io.dtlb_rdy) || ex_reg_div_val && !io.dpath.div_rdy || ex_reg_mul_val && !io.dpath.mul_rdy || mem_reg_replay_next ctrl_killx := take_pc_wb || replay_ex // replay inst in mem stage val mem_ll_wb = io.dpath.mem_wb || io.dpath.mul_result_val || io.dpath.div_result_val val dmem_kill_mem = mem_reg_valid && (io.dtlb_miss || io.dmem.resp.bits.nack) val fpu_kill_mem = mem_reg_fp_val && io.fpu.nack_mem val replay_mem = dmem_kill_mem || mem_reg_wen && mem_ll_wb || mem_reg_replay || fpu_kill_mem val killm_common = mem_reg_wen && mem_ll_wb || take_pc_wb || mem_reg_xcpt || !mem_reg_valid ctrl_killm := killm_common || mem_xcpt || dmem_kill_mem || fpu_kill_mem mem_reg_replay := replay_ex && !take_pc_wb; wb_reg_replay := replay_mem && !take_pc_wb val replay_wb = wb_reg_replay || vec_replay || io.dpath.pcr_replay // write cause to PCR on an exception io.dpath.exception := wb_reg_xcpt io.dpath.cause := wb_reg_cause io.dpath.badvaddr_wen := wb_reg_xcpt && (wb_reg_cause === UFix(10) || wb_reg_cause === UFix(11)) io.dpath.vec_irq_aux_wen := wb_reg_xcpt && wb_reg_cause >= UFix(24) && wb_reg_cause < UFix(32) // control transfer from ex/wb take_pc_wb := wb_reg_replay || vec_replay || wb_reg_xcpt || wb_reg_eret take_pc := take_pc_ex || take_pc_wb; io.dpath.sel_pc := Mux(wb_reg_xcpt, PC_PCR, // exception Mux(wb_reg_eret, PC_PCR, // eret instruction Mux(replay_wb, PC_WB, // replay Mux(ex_reg_jalr, PC_EX, // JALR Mux(!ex_reg_btb_hit, PC_EX, // mispredicted taken branch PC_EX4))))) // mispredicted not taken branch io.imem.req.bits.mispredict := !take_pc_wb && take_pc_ex io.imem.req.bits.taken := !ex_reg_btb_hit || ex_reg_jalr io.imem.req.valid := take_pc // stall for RAW/WAW hazards on loads, AMOs, and mul/div in execute stage. val data_hazard_ex = ex_reg_wen && (id_renx1.toBool && id_raddr1 === io.dpath.ex_waddr || id_renx2.toBool && id_raddr2 === io.dpath.ex_waddr || id_wen.toBool && id_waddr === io.dpath.ex_waddr) val fp_data_hazard_ex = ex_reg_fp_wen && (io.fpu.dec.ren1 && id_raddr1 === io.dpath.ex_waddr || io.fpu.dec.ren2 && id_raddr2 === io.dpath.ex_waddr || io.fpu.dec.ren3 && id_raddr3 === io.dpath.ex_waddr || io.fpu.dec.wen && id_waddr === io.dpath.ex_waddr) val id_ex_hazard = data_hazard_ex && (ex_reg_mem_val || ex_reg_div_val || ex_reg_mul_val || ex_reg_fp_val) || fp_data_hazard_ex && (ex_reg_mem_val || ex_reg_fp_val) // stall for RAW/WAW hazards on LB/LH and mul/div in memory stage. val mem_mem_cmd_bh = (mem_reg_mem_type === MT_B) || (mem_reg_mem_type === MT_BU) || (mem_reg_mem_type === MT_H) || (mem_reg_mem_type === MT_HU) val data_hazard_mem = mem_reg_wen && (id_raddr1 != UFix(0) && id_renx1 && id_raddr1 === io.dpath.mem_waddr || id_raddr2 != UFix(0) && id_renx2 && id_raddr2 === io.dpath.mem_waddr || id_waddr != UFix(0) && id_wen && id_waddr === io.dpath.mem_waddr) val fp_data_hazard_mem = mem_reg_fp_wen && (io.fpu.dec.ren1 && id_raddr1 === io.dpath.mem_waddr || io.fpu.dec.ren2 && id_raddr2 === io.dpath.mem_waddr || io.fpu.dec.ren3 && id_raddr3 === io.dpath.mem_waddr || io.fpu.dec.wen && id_waddr === io.dpath.mem_waddr) val id_mem_hazard = data_hazard_mem && (mem_reg_mem_val && mem_mem_cmd_bh || mem_reg_div_val || mem_reg_mul_val || mem_reg_fp_val) || fp_data_hazard_mem && mem_reg_fp_val id_load_use := mem_reg_mem_val && (data_hazard_mem || fp_data_hazard_mem) // stall for RAW/WAW hazards on load/AMO misses and mul/div in writeback. val data_hazard_wb = wb_reg_wen && (id_raddr1 != UFix(0) && id_renx1 && id_raddr1 === io.dpath.wb_waddr || id_raddr2 != UFix(0) && id_renx2 && id_raddr2 === io.dpath.wb_waddr || id_waddr != UFix(0) && id_wen && id_waddr === io.dpath.wb_waddr) val fp_data_hazard_wb = wb_reg_fp_wen && (io.fpu.dec.ren1 && id_raddr1 === io.dpath.wb_waddr || io.fpu.dec.ren2 && id_raddr2 === io.dpath.wb_waddr || io.fpu.dec.ren3 && id_raddr3 === io.dpath.wb_waddr || io.fpu.dec.wen && id_waddr === io.dpath.wb_waddr) val id_wb_hazard = data_hazard_wb && (wb_reg_dcache_miss || wb_reg_div_mul_val) || fp_data_hazard_wb && (wb_reg_dcache_miss || wb_reg_fp_val) val ctrl_stalld = id_ex_hazard || id_mem_hazard || id_wb_hazard || id_stall_raddr1 || id_stall_raddr2 || id_stall_waddr || id_fp_val && id_stall_fpu || id_mem_val && !(io.dmem.req.ready && io.dtlb_rdy) || vec_stalld ctrl_killd := !io.imem.resp.valid || take_pc || ctrl_stalld || id_interrupt io.dpath.killd := take_pc || ctrl_stalld && !id_interrupt io.dpath.flush_inst := wb_reg_flush_inst; io.imem.resp.ready := take_pc || !ctrl_stalld io.imem.req.bits.invalidate := wb_reg_flush_inst io.dpath.mem_load := mem_reg_mem_val && mem_reg_wen io.dpath.ren2 := id_renx2.toBool; io.dpath.ren1 := id_renx1.toBool; io.dpath.sel_alu2 := id_sel_alu2.toUFix io.dpath.fn_dw := id_fn_dw.toBool; io.dpath.fn_alu := id_fn_alu.toUFix io.dpath.div_fn := ex_reg_mul_fn io.dpath.div_val := ex_reg_div_val io.dpath.div_kill := mem_reg_div_val && killm_common io.dpath.mul_fn := ex_reg_mul_fn io.dpath.mul_val := ex_reg_mul_val io.dpath.mul_kill := mem_reg_mul_val && killm_common io.dpath.ex_fp_val:= ex_reg_fp_val; io.dpath.mem_fp_val:= mem_reg_fp_val; io.dpath.ex_jalr := ex_reg_jalr io.dpath.ex_wen := ex_reg_wen; io.dpath.mem_wen := mem_reg_wen; io.dpath.wb_wen := wb_reg_wen; io.dpath.wb_valid := wb_reg_valid && !vec_replay io.dpath.sel_wa := id_sel_wa.toBool; io.dpath.sel_wb := id_sel_wb.toUFix io.dpath.pcr := wb_reg_pcr.toUFix io.dpath.wb_eret := wb_reg_eret; io.dpath.ex_mem_type := ex_reg_mem_type io.fpu.valid := !ctrl_killd && id_fp_val io.fpu.killx := ctrl_killx io.fpu.killm := killm_common io.dtlb_val := ex_reg_mem_val io.dtlb_kill := !mem_reg_valid io.dmem.req.valid := ex_reg_mem_val io.dmem.req.bits.kill := killm_common || mem_xcpt || io.dtlb_miss io.dmem.req.bits.cmd := ex_reg_mem_cmd io.dmem.req.bits.typ := ex_reg_mem_type }