Обновление пакетов

- parameter заменены на localparam, чтоб Vivado не кидал варнинги;
- добавлены недостающие пакеты и указания в методичках.
This commit is contained in:
Andrei Solodovnikov
2023-10-05 10:56:18 +03:00
committed by Andrei Solodovnikov
parent 6ea395c761
commit 58346759f9
5 changed files with 82 additions and 47 deletions

View File

@@ -1,41 +1,44 @@
package riscv_pkg;
import alu_opcodes_pkg::*;
export alu_opcodes_pkg::*;
import csr_pkg::*;
export csr_pkg::*;
// opcodes
parameter LOAD_OPCODE = 5'b00_000;
parameter MISC_MEM_OPCODE = 5'b00_011;
parameter OP_IMM_OPCODE = 5'b00_100;
parameter AUIPC_OPCODE = 5'b00_101;
parameter STORE_OPCODE = 5'b01_000;
parameter OP_OPCODE = 5'b01_100;
parameter LUI_OPCODE = 5'b01_101;
parameter BRANCH_OPCODE = 5'b11_000;
parameter JALR_OPCODE = 5'b11_001;
parameter JAL_OPCODE = 5'b11_011;
parameter SYSTEM_OPCODE = 5'b11_100;
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
parameter LDST_B = 3'b000;
parameter LDST_H = 3'b001;
parameter LDST_W = 3'b010;
parameter LDST_BU = 3'b100;
parameter LDST_HU = 3'b101;
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
parameter OP_A_RS1 = 2'b00;
parameter OP_A_CURR_PC = 2'b01;
parameter OP_A_ZERO = 2'b10;
localparam OP_A_RS1 = 2'b00;
localparam OP_A_CURR_PC = 2'b01;
localparam OP_A_ZERO = 2'b10;
// operand b selection
parameter OP_B_RS2 = 3'b000;
parameter OP_B_IMM_I = 3'b001;
parameter OP_B_IMM_U = 3'b010;
parameter OP_B_IMM_S = 3'b011;
parameter OP_B_INCR = 3'b100;
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
parameter WB_EX_RESULT = 1'b0;
parameter WB_LSU_DATA = 1'b1;
localparam WB_EX_RESULT = 2'd0;
localparam WB_LSU_DATA = 2'd1;
localparam WB_CSR_DATA = 2'd2;
endpackage
endpackage