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ЛР6. Добавление прототипов модулей

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This commit is contained in:
Andrei Solodovnikov
2023-10-06 14:27:15 +03:00
parent 33190117b1
commit bff1cfa565
5 changed files with 148 additions and 2 deletions
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44
Labs/06. Datapath/riscv_pkg.sv Normal file
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package riscv_pkg;
import alu_opcodes_pkg::*;
export alu_opcodes_pkg::*;
import csr_pkg::*;
export csr_pkg::*;
// opcodes
localparam LOAD_OPCODE = 5'b00_000;
localparam MISC_MEM_OPCODE = 5'b00_011;
localparam OP_IMM_OPCODE = 5'b00_100;
localparam AUIPC_OPCODE = 5'b00_101;
localparam STORE_OPCODE = 5'b01_000;
localparam OP_OPCODE = 5'b01_100;
localparam LUI_OPCODE = 5'b01_101;
localparam BRANCH_OPCODE = 5'b11_000;
localparam JALR_OPCODE = 5'b11_001;
localparam JAL_OPCODE = 5'b11_011;
localparam SYSTEM_OPCODE = 5'b11_100;
// dmem type load store
localparam LDST_B = 3'b000;
localparam LDST_H = 3'b001;
localparam LDST_W = 3'b010;
localparam LDST_BU = 3'b100;
localparam LDST_HU = 3'b101;
// operand a selection
localparam OP_A_RS1 = 2'b00;
localparam OP_A_CURR_PC = 2'b01;
localparam OP_A_ZERO = 2'b10;
// operand b selection
localparam OP_B_RS2 = 3'b000;
localparam OP_B_IMM_I = 3'b001;
localparam OP_B_IMM_U = 3'b010;
localparam OP_B_IMM_S = 3'b011;
localparam OP_B_INCR = 3'b100;
// writeback source selection
localparam WB_EX_RESULT = 2'd0;
localparam WB_LSU_DATA = 2'd1;
localparam WB_CSR_DATA = 2'd2;
endpackage