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author | Flavian Kaufmann <flavian@flaviankaufmann.ch> | 2024-05-21 13:50:28 +0200 |
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committer | Flavian Kaufmann <flavian@flaviankaufmann.ch> | 2024-05-21 13:50:28 +0200 |
commit | cb0be9e2039569ee7d18657e8f675d1f8369b407 (patch) | |
tree | 91fa71b3960d1ad5217759371143efbdd833d475 /include/consts.vh | |
parent | 98d0dd96611dc2c0e444eaf9410f8adf2924c6b5 (diff) | |
download | riscv_cpu-cb0be9e2039569ee7d18657e8f675d1f8369b407.tar.gz riscv_cpu-cb0be9e2039569ee7d18657e8f675d1f8369b407.zip |
restructured project
Diffstat (limited to 'include/consts.vh')
-rw-r--r-- | include/consts.vh | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/include/consts.vh b/include/consts.vh deleted file mode 100644 index 75ee0bf..0000000 --- a/include/consts.vh +++ /dev/null @@ -1,129 +0,0 @@ -parameter ALU_A_SRC_PC = 3'b000; -parameter ALU_A_SRC_PC_BUF = 3'b001; -parameter ALU_A_SRC_RD1 = 3'b010; -parameter ALU_A_SRC_RD1_BUF = 3'b011; -parameter ALU_A_SRC_0 = 3'b100; - -parameter ALU_B_SRC_RD2_BUF = 2'b00; -parameter ALU_B_SRC_IMM = 2'b01; -parameter ALU_B_SRC_4 = 2'b10; - -parameter RESULT_SRC_ALU_RESULT = 2'b00; -parameter RESULT_SRC_ALU_RESULT_BUF = 2'b01; -parameter RESULT_SRC_DATA_BUF = 2'b10; - -parameter MEM_ADDR_SRC_PC = 1'b0; -parameter MEM_ADDR_SRC_RESULT = 1'b1; - -parameter ARITHMETIC_OP_ADD = 2'b00; -parameter ARITHMETIC_OP_SUB = 2'b01; -parameter ARITHMETIC_OP_SLT = 2'b10; -parameter ARITHMETIC_OP_SLTU = 2'b11; - -parameter LOGIC_OP_AND = 2'b00; -parameter LOGIC_OP_OR = 2'b01; -parameter LOGIC_OP_XOR = 2'b10; - -parameter SHIFT_OP_SLL = 2'b00; -parameter SHIFT_OP_SRL = 2'b01; -parameter SHIFT_OP_SRA = 2'b11; - -parameter ALU_OP_ARITHMETIC = 2'b00; -parameter ALU_OP_LOGIC = 2'b01; -parameter ALU_OP_SHIFT = 2'b10; - -parameter ALU_OP_ADD = { ALU_OP_ARITHMETIC, ARITHMETIC_OP_ADD }; -parameter ALU_OP_SUB = { ALU_OP_ARITHMETIC, ARITHMETIC_OP_SUB }; -parameter ALU_OP_SLT = { ALU_OP_ARITHMETIC, ARITHMETIC_OP_SLT }; -parameter ALU_OP_SLTU = { ALU_OP_ARITHMETIC, ARITHMETIC_OP_SLTU }; -parameter ALU_OP_AND = { ALU_OP_LOGIC, LOGIC_OP_AND }; -parameter ALU_OP_OR = { ALU_OP_LOGIC, LOGIC_OP_OR }; -parameter ALU_OP_XOR = { ALU_OP_LOGIC, LOGIC_OP_XOR }; -parameter ALU_OP_SLL = { ALU_OP_SHIFT, SHIFT_OP_SLL }; -parameter ALU_OP_SRL = { ALU_OP_SHIFT, SHIFT_OP_SRL }; -parameter ALU_OP_SRA = { ALU_OP_SHIFT, SHIFT_OP_SRA }; - -parameter STATE_FETCH = 4'h0; -parameter STATE_DECODE = 4'h1; -parameter STATE_MEM_ADDR = 4'h2; -parameter STATE_MEM_LOAD = 4'h3; -parameter STATE_MEM_STORE = 4'h4; -parameter STATE_MEM_WB = 4'h5; -parameter STATE_EXECUTE_R = 4'h6; -parameter STATE_EXECUTE_I = 4'h7; -parameter STATE_JAL = 4'h8; -parameter STATE_JALR = 4'h9; -parameter STATE_LUI = 4'ha; -parameter STATE_ALU_WB = 4'hb; -parameter STATE_AUIPC = 4'hc; -parameter STATE_BRANCH = 4'hd; - -parameter INSTR_FORMAT_UNKNOWN = 3'b000; -parameter INSTR_FORMAT_R = 3'b001; -parameter INSTR_FORMAT_I = 3'b010; -parameter INSTR_FORMAT_S = 3'b011; -parameter INSTR_FORMAT_B = 3'b100; -parameter INSTR_FORMAT_U = 3'b101; -parameter INSTR_FORMAT_J = 3'b110; - -parameter OPCODE_LUI = 7'b0110111; -parameter OPCODE_AUIPC = 7'b0010111; -parameter OPCODE_JAL = 7'b1101111; -parameter OPCODE_JALR = 7'b1100111; -parameter OPCODE_BRANCH = 7'b1100011; -parameter OPCODE_LOAD = 7'b0000011; -parameter OPCODE_STORE = 7'b0100011; -parameter OPCODE_IMM = 7'b0010011; -parameter OPCODE_REG = 7'b0110011; -parameter OPCODE_SYNC = 7'b0001111; -parameter OPCODE_SYS = 7'b1110011; - -parameter FUNCT3_LS_B = 3'b000; -parameter FUNCT3_LS_H = 3'b001; -parameter FUNCT3_LS_W = 3'b010; -parameter FUNCT3_LS_BU = 3'b100; -parameter FUNCT3_LS_HU = 3'b101; - -parameter FUNCT3_ALU_ADD_SUB = 3'b000; -parameter FUNCT3_ALU_SLT = 3'b010; -parameter FUNCT3_ALU_SLTU = 3'b011; -parameter FUNCT3_ALU_XOR = 3'b100; -parameter FUNCT3_ALU_OR = 3'b110; -parameter FUNCT3_ALU_AND = 3'b111; -parameter FUNCT3_ALU_SLL = 3'b001; -parameter FUNCT3_ALU_SR = 3'b101; - -parameter FUNCT3_BRANCH_BEQ = 3'b000; -parameter FUNCT3_BRANCH_BNE = 3'b001; -parameter FUNCT3_BRANCH_BLT = 3'b100; -parameter FUNCT3_BRANCH_BGE = 3'b101; -parameter FUNCT3_BRANCH_BLTU = 3'b110; -parameter FUNCT3_BRANCH_BGEU = 3'b111; - -parameter FUNCT7_ALU_ADD = 7'b0000000; -parameter FUNCT7_ALU_SUB = 7'b0100000; -parameter FUNCT7_ALU_SRL = 7'b0000000; -parameter FUNCT7_ALU_SRA = 7'b0100000; - -parameter ALU_CTRL_OP = 1'b0; -parameter ALU_CTRL_ADD = 1'b1; - -parameter MEM_WE_ENABLE = 1'b1; -parameter MEM_WE_DISABLE = 1'b0; -parameter RF_WE_ENABLE = 1'b1; -parameter RF_WE_DISABLE = 1'b0; -parameter INSTR_WE_ENABLE = 1'b1; -parameter INSTR_WE_DISABLE = 1'b0; -parameter PC_UPDATE_ENABLE = 1'b1; -parameter PC_UPDATE_DISABLE = 1'b0; -parameter BRANCH_ENABLE = 1'b1; -parameter BRANCH_DISABLE = 1'b0; - -parameter IO_BEGIN = 32'h0000_0000; -parameter IO_END = 32'h0000_FFFF; -parameter ROM_BEGIN = 32'h0001_0000; -parameter ROM_END = 32'h000F_FFFF; -parameter RAM_BEGIN = 32'h0010_0000; -parameter RAM_END = 32'hFF0F_FFFF; - -parameter PC_INITIAL = 32'h0001_0000; |