增加rv指令
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Liphen
parent
ebbdd5b3b7
commit
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Load Diff
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@ -1,194 +1,193 @@
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// package cpu.pipeline.decoder
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package cpu.pipeline.decoder
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// import chisel3._
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// import chisel3.util._
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// import cpu.defines._
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// import cpu.defines.Const._
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import chisel3._
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import chisel3.util._
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import cpu.defines._
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import cpu.defines.Const._
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// class Decoder extends Module {
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// val io = IO(new Bundle {
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// // inputs
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// val in = Input(new Bundle {
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// val inst = UInt(INST_WID.W)
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// })
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// // outputs
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// val out = Output(new InstInfo())
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// })
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// val inst = io.in.inst
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class Decoder extends Module {
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val io = IO(new Bundle {
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// inputs
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val in = Input(new Bundle {
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val inst = UInt(INST_WID.W)
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})
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// outputs
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val out = Output(new InstInfo())
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})
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val inst = io.in.inst
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// val signals: List[UInt] = ListLookup(
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// //@formatter:off
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// inst,
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// List(INST_INVALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_NOP, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// Array( /* inst_valid | reg1_ren | reg2_ren | fusel | op | reg_wen | reg_waddr | imm_type | dual_issue */
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// // NOP
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// NOP -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_NOP, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// // 位操作
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// OR -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_OR, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// AND -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_AND, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// XOR -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_XOR, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// NOR -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_NOR, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// // 移位
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// SLLV -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SLL, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// SRLV -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SRL, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// SRAV -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SRA, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// SLL -> List(INST_VALID, READ_DISABLE, READ_ENABLE, FU_ALU, EXE_SLL, WRITE_ENABLE, WRA_T1, IMM_SHT, DUAL_ISSUE),
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// SRL -> List(INST_VALID, READ_DISABLE, READ_ENABLE, FU_ALU, EXE_SRL, WRITE_ENABLE, WRA_T1, IMM_SHT, DUAL_ISSUE),
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// SRA -> List(INST_VALID, READ_DISABLE, READ_ENABLE, FU_ALU, EXE_SRA, WRITE_ENABLE, WRA_T1, IMM_SHT, DUAL_ISSUE),
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// // 立即数
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// ORI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_OR, WRITE_ENABLE, WRA_T2, IMM_LZE, DUAL_ISSUE),
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// ANDI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_AND, WRITE_ENABLE, WRA_T2, IMM_LZE, DUAL_ISSUE),
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// XORI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_XOR, WRITE_ENABLE, WRA_T2, IMM_LZE, DUAL_ISSUE),
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// LUI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_OR, WRITE_ENABLE, WRA_T2, IMM_HZE, DUAL_ISSUE),
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val signals: List[UInt] = ListLookup(
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//@formatter:off
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inst,
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List(INST_INVALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_NOP, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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Array( /* inst_valid | reg1_ren | reg2_ren | fusel | op | reg_wen | reg_waddr | imm_type | dual_issue */
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// NOP
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NOP -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_NOP, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// 位操作
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OR -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_OR, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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AND -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_AND, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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XOR -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_XOR, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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NOR -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_NOR, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// 移位
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SLLV -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SLL, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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SRLV -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SRL, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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SRAV -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SRA, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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SLL -> List(INST_VALID, READ_DISABLE, READ_ENABLE, FU_ALU, EXE_SLL, WRITE_ENABLE, WRA_T1, IMM_SHT, DUAL_ISSUE),
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SRL -> List(INST_VALID, READ_DISABLE, READ_ENABLE, FU_ALU, EXE_SRL, WRITE_ENABLE, WRA_T1, IMM_SHT, DUAL_ISSUE),
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SRA -> List(INST_VALID, READ_DISABLE, READ_ENABLE, FU_ALU, EXE_SRA, WRITE_ENABLE, WRA_T1, IMM_SHT, DUAL_ISSUE),
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// 立即数
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ORI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_OR, WRITE_ENABLE, WRA_T2, IMM_LZE, DUAL_ISSUE),
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ANDI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_AND, WRITE_ENABLE, WRA_T2, IMM_LZE, DUAL_ISSUE),
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XORI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_XOR, WRITE_ENABLE, WRA_T2, IMM_LZE, DUAL_ISSUE),
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LUI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_OR, WRITE_ENABLE, WRA_T2, IMM_HZE, DUAL_ISSUE),
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// // Move
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// MOVN -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_MOVN, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// MOVZ -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_MOVZ, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// Move
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MOVN -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_MOVN, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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MOVZ -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_MOVZ, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// // HI，LO的Move指令
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// MFHI -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_MFHILO, EXE_MFHI, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// MFLO -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_MFHILO, EXE_MFLO, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// MTHI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MTHILO, EXE_MTHI, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// MTLO -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MTHILO, EXE_MTLO, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// HI，LO的Move指令
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MFHI -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_MFHILO, EXE_MFHI, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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MFLO -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_MFHILO, EXE_MFLO, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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MTHI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MTHILO, EXE_MTHI, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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MTLO -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MTHILO, EXE_MTLO, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// // C0的Move指令
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// MFC0 -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_MFC0, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
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// MTC0 -> List(INST_VALID, READ_DISABLE, READ_ENABLE, FU_ALU, EXE_MTC0, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
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// C0的Move指令
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MFC0 -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_MFC0, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
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MTC0 -> List(INST_VALID, READ_DISABLE, READ_ENABLE, FU_ALU, EXE_MTC0, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
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// // 比较指令
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// SLT -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SLT, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// SLTU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SLTU, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// // 立即数
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// SLTI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_SLT, WRITE_ENABLE, WRA_T2, IMM_LSE, DUAL_ISSUE),
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// SLTIU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_SLTU, WRITE_ENABLE, WRA_T2, IMM_LSE, DUAL_ISSUE),
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// 比较指令
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SLT -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SLT, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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SLTU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SLTU, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// 立即数
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SLTI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_SLT, WRITE_ENABLE, WRA_T2, IMM_LSE, DUAL_ISSUE),
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SLTIU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_SLTU, WRITE_ENABLE, WRA_T2, IMM_LSE, DUAL_ISSUE),
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// // Trap
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// TEQ -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TEQ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// TEQI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TEQ, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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// TGE -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TGE, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// TGEI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TGE, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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// TGEIU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TGEU, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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// TGEU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TGEU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// TLT -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TLT, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// TLTI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TLT, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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// TLTU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TLTU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// TLTIU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TLTU, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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// TNE -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TNE, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// TNEI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TNE, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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// Trap
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TEQ -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TEQ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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TEQI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TEQ, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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TGE -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TGE, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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TGEI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TGE, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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TGEIU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TGEU, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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TGEU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TGEU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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TLT -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TLT, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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TLTI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TLT, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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TLTU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TLTU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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TLTIU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TLTU, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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TNE -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_EX, EXE_TNE, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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TNEI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_EX, EXE_TNE, WRITE_DISABLE, WRA_X, IMM_LSE, DUAL_ISSUE),
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// // 算术指令
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// ADD -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_ADD, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// ADDU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_ADDU, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// SUB -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SUB, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// SUBU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SUBU, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// MUL -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MUL, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// MULT -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MULT, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// MULTU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MULTU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// MADD -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MADD, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// MADDU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MADDU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// MSUB -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MSUB, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// MSUBU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MSUBU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// DIV -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_DIV, EXE_DIV, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// DIVU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_DIV, EXE_DIVU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// CLO -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_CLO, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// CLZ -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_CLZ, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// // 立即数
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// ADDI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_ADD, WRITE_ENABLE, WRA_T2, IMM_LSE, DUAL_ISSUE),
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// ADDIU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_ADDU, WRITE_ENABLE, WRA_T2, IMM_LSE, DUAL_ISSUE),
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// // 跳转指令
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// J -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_BR, EXE_J, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// JAL -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_BR, EXE_JAL, WRITE_ENABLE, WRA_T3, IMM_N, DUAL_ISSUE),
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// JR -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_JR, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// JALR -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_JALR, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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// BEQ -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_BR, EXE_BEQ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// BNE -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_BR, EXE_BNE, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// BGTZ -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BGTZ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// BLEZ -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BLEZ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// BGEZ -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BGEZ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// BGEZAL -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BGEZAL, WRITE_ENABLE, WRA_T3, IMM_N, DUAL_ISSUE),
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// BLTZ -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BLTZ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
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// BLTZAL -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BLTZAL, WRITE_ENABLE, WRA_T3, IMM_N, DUAL_ISSUE),
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// 算术指令
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ADD -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_ADD, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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ADDU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_ADDU, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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SUB -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SUB, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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SUBU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_ALU, EXE_SUBU, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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MUL -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MUL, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
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MULT -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MULT, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
MULTU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MULTU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
MADD -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MADD, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
MADDU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MADDU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
MSUB -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MSUB, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
MSUBU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MUL, EXE_MSUBU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
DIV -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_DIV, EXE_DIV, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
DIVU -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_DIV, EXE_DIVU, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
CLO -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_CLO, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
|
||||
CLZ -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_CLZ, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
|
||||
// 立即数
|
||||
ADDI -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_ADD, WRITE_ENABLE, WRA_T2, IMM_LSE, DUAL_ISSUE),
|
||||
ADDIU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_ADDU, WRITE_ENABLE, WRA_T2, IMM_LSE, DUAL_ISSUE),
|
||||
// 跳转指令
|
||||
J -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_BR, EXE_J, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
JAL -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_BR, EXE_JAL, WRITE_ENABLE, WRA_T3, IMM_N, DUAL_ISSUE),
|
||||
JR -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_JR, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
JALR -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_JALR, WRITE_ENABLE, WRA_T1, IMM_N, DUAL_ISSUE),
|
||||
BEQ -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_BR, EXE_BEQ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
BNE -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_BR, EXE_BNE, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
BGTZ -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BGTZ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
BLEZ -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BLEZ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
BGEZ -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BGEZ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
BGEZAL -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BGEZAL, WRITE_ENABLE, WRA_T3, IMM_N, DUAL_ISSUE),
|
||||
BLTZ -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BLTZ, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
BLTZAL -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_BR, EXE_BLTZAL, WRITE_ENABLE, WRA_T3, IMM_N, DUAL_ISSUE),
|
||||
|
||||
// // TLB
|
||||
// TLBP -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_TLBP, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
// TLBR -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_TLBR, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
// TLBWI -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_TLBWI, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
// TLBWR -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_TLBWR, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
// TLB
|
||||
TLBP -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_TLBP, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
TLBR -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_TLBR, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
TLBWI -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_TLBWI, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
TLBWR -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_TLBWR, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
|
||||
// // 例外指令
|
||||
// SYSCALL -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_EX, EXE_SYSCALL, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
// BREAK -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_EX, EXE_BREAK, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
// ERET -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_EX, EXE_ERET, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
// WAIT -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_NOP, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
// 例外指令
|
||||
SYSCALL -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_EX, EXE_SYSCALL, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
BREAK -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_EX, EXE_BREAK, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
ERET -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_EX, EXE_ERET, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
WAIT -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_NOP, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
|
||||
// // 访存指令
|
||||
// LB -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LB, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
// LBU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LBU, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
// LH -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LH, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
// LHU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LHU, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
// LW -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LW, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
// SB -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SB, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
// SH -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SH, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
// SW -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SW, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
// LWL -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_LWL, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
// LWR -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_LWR, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
// SWL -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SWL, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
// SWR -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SWR, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
// 访存指令
|
||||
LB -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LB, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
LBU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LBU, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
LH -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LH, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
LHU -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LHU, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
LW -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LW, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
SB -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SB, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
SH -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SH, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
SW -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SW, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
LWL -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_LWL, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
LWR -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_LWR, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
SWL -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SWL, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
SWR -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SWR, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
|
||||
// LL -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LL, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
// SC -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SC, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
LL -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_MEM, EXE_LL, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
SC -> List(INST_VALID, READ_ENABLE, READ_ENABLE, FU_MEM, EXE_SC, WRITE_ENABLE, WRA_T2, IMM_N, DUAL_ISSUE),
|
||||
|
||||
// SYNC -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_EX, EXE_NOP, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
// PREF -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_NOP, WRITE_ENABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
// PREFX -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_NOP, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
SYNC -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_EX, EXE_NOP, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
PREF -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_NOP, WRITE_ENABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
PREFX -> List(INST_VALID, READ_DISABLE, READ_DISABLE, FU_ALU, EXE_NOP, WRITE_DISABLE, WRA_X, IMM_N, DUAL_ISSUE),
|
||||
|
||||
// // Cache
|
||||
// CACHE -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_CACHE, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
// ),
|
||||
// // @formatter:on
|
||||
// )
|
||||
// val inst_valid :: reg1_ren :: reg2_ren :: fusel :: op :: reg_wen :: reg_waddr_type :: imm_type :: dual_issue :: Nil =
|
||||
// signals
|
||||
// Cache
|
||||
CACHE -> List(INST_VALID, READ_ENABLE, READ_DISABLE, FU_ALU, EXE_CACHE, WRITE_DISABLE, WRA_X, IMM_N, SINGLE_ISSUE),
|
||||
),
|
||||
// @formatter:on
|
||||
)
|
||||
val inst_valid :: reg1_ren :: reg2_ren :: fusel :: op :: reg_wen :: reg_waddr_type :: imm_type :: dual_issue :: Nil =
|
||||
signals
|
||||
|
||||
// val rt = inst(20, 16)
|
||||
// val rd = inst(15, 11)
|
||||
// val sa = inst(10, 6)
|
||||
// val rs = inst(25, 21)
|
||||
// val imm16 = inst(15, 0)
|
||||
val rt = inst(20, 16)
|
||||
val rd = inst(15, 11)
|
||||
val sa = inst(10, 6)
|
||||
val rs = inst(25, 21)
|
||||
val imm16 = inst(15, 0)
|
||||
|
||||
// io.out.inst_valid := inst_valid
|
||||
// io.out.reg1_ren := reg1_ren
|
||||
// io.out.reg1_raddr := rs
|
||||
// io.out.reg2_ren := reg2_ren
|
||||
// io.out.reg2_raddr := rt
|
||||
// io.out.fusel := fusel
|
||||
// io.out.op := op
|
||||
// io.out.reg_wen := reg_wen
|
||||
// io.out.reg_waddr := MuxLookup(reg_waddr_type, AREG_31)( // 取"b11111", 即31号寄存器
|
||||
// Seq(
|
||||
// WRA_T1 -> rd, // 取inst(15,11)
|
||||
// WRA_T2 -> rt // 取inst(20,16)
|
||||
// )
|
||||
// )
|
||||
// io.out.imm32 := MuxLookup(imm_type, Util.zeroExtend(sa))( // default IMM_SHT
|
||||
// Seq(
|
||||
// IMM_LSE -> Util.signedExtend(imm16),
|
||||
// IMM_LZE -> Util.zeroExtend(imm16),
|
||||
// IMM_HZE -> Cat(imm16, Fill(16, 0.U))
|
||||
// )
|
||||
// )
|
||||
// io.out.csr_addr := Cat(inst(15, 11), inst(2, 0))
|
||||
// io.out.dual_issue := dual_issue
|
||||
// io.out.whilo := VecInit(FU_MUL, FU_DIV, FU_MTHILO).contains(fusel) && op =/= EXE_MUL // MUL不写HILO
|
||||
// io.out.inst := inst
|
||||
// io.out.wmem := fusel === FU_MEM && (!reg_wen.orR || op === EXE_SC)
|
||||
// io.out.rmem := fusel === FU_MEM && reg_wen.orR
|
||||
// io.out.mul := fusel === FU_MUL
|
||||
// io.out.div := fusel === FU_DIV
|
||||
// io.out.ifence := inst(16) === 0.U && op === EXE_CACHE
|
||||
// io.out.dfence := inst(16) === 1.U && op === EXE_CACHE
|
||||
// io.out.tlbfence := VecInit(EXE_MTC0, EXE_TLBWI, EXE_TLBWR).contains(op)
|
||||
// io.out.branch_link := VecInit(EXE_JAL, EXE_JALR, EXE_BGEZAL, EXE_BLTZAL).contains(op)
|
||||
// io.out.mem_addr := DontCare
|
||||
// io.out.mem_wreg := VecInit(EXE_LB, EXE_LBU, EXE_LH, EXE_LHU, EXE_LW, EXE_LL, EXE_LWL, EXE_LWR).contains(op)
|
||||
// }
|
||||
io.out.inst_valid := inst_valid
|
||||
io.out.reg1_ren := reg1_ren
|
||||
io.out.reg1_raddr := rs
|
||||
io.out.reg2_ren := reg2_ren
|
||||
io.out.reg2_raddr := rt
|
||||
io.out.fusel := fusel
|
||||
io.out.op := op
|
||||
io.out.reg_wen := reg_wen
|
||||
io.out.reg_waddr := MuxLookup(reg_waddr_type, AREG_31)( // 取"b11111", 即31号寄存器
|
||||
Seq(
|
||||
WRA_T1 -> rd, // 取inst(15,11)
|
||||
WRA_T2 -> rt // 取inst(20,16)
|
||||
)
|
||||
)
|
||||
io.out.imm32 := MuxLookup(imm_type, Util.zeroExtend(sa))( // default IMM_SHT
|
||||
Seq(
|
||||
IMM_LSE -> Util.signedExtend(imm16),
|
||||
IMM_LZE -> Util.zeroExtend(imm16),
|
||||
IMM_HZE -> Cat(imm16, Fill(16, 0.U))
|
||||
)
|
||||
)
|
||||
io.out.csr_addr := Cat(inst(15, 11), inst(2, 0))
|
||||
io.out.dual_issue := dual_issue
|
||||
io.out.whilo := VecInit(FU_MUL, FU_DIV, FU_MTHILO).contains(fusel) && op =/= EXE_MUL // MUL不写HILO
|
||||
io.out.inst := inst
|
||||
io.out.wmem := fusel === FU_MEM && (!reg_wen.orR || op === EXE_SC)
|
||||
io.out.rmem := fusel === FU_MEM && reg_wen.orR
|
||||
io.out.mul := fusel === FU_MUL
|
||||
io.out.div := fusel === FU_DIV
|
||||
io.out.ifence := inst(16) === 0.U && op === EXE_CACHE
|
||||
io.out.dfence := inst(16) === 1.U && op === EXE_CACHE
|
||||
io.out.branch_link := VecInit(EXE_JAL, EXE_JALR, EXE_BGEZAL, EXE_BLTZAL).contains(op)
|
||||
io.out.mem_addr := DontCare
|
||||
io.out.mem_wreg := VecInit(EXE_LB, EXE_LBU, EXE_LH, EXE_LHU, EXE_LW, EXE_LL, EXE_LWL, EXE_LWR).contains(op)
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue