runnable

code/data_mem.py

@@ -11,9 +11,9 @@ class data_mem:
             ):  # 写使能，读使能，(使能为int的0或1)地址，输入数据，func3              #输出为data_out
         if write_en:
             if funct3 == '000':  # sb
-                self.memory[address] = InttoBin(data_in % 2 ** 8, 8)
+                self.memory[address] = InttoBin(data_in % 2**8, 8)
             elif funct3 == '001':  # sh
-                temp = InttoBin(data_in % 2 ** 16, 16)
+                temp = InttoBin(data_in % 2**16, 16)
                 self.memory[address + 1] = temp[0:8]
                 self.memory[address] = temp[8:16]
             elif funct3 == '010':  # sw
@@ -45,5 +45,5 @@ class data_mem:
                                      self.memory[address + 1] +
                                      self.memory[address])
             else:
-                pass
+                data_out = '0' * 32
         return data_out

code/datapath.py

@@ -12,13 +12,14 @@ from mux import *
 from mux4 import *
 from proc_controller import *
 from reg_file import reg_file
+from elftools.elf.elffile import ELFFile
 
 IM = insn_mem()
 PC = 0
 
 
 def IF(BrPC, Brflush, stall, PC, IM):
-    if Brflush == '1':
+    if Brflush == 1:
         nPC = BrPC
     else:
         nPC = PC + 4
@@ -121,6 +122,30 @@ def dataPath():
     insnA = '0' * 32
     ALU_resultB = 0
     PCA = 0
+    nPC = 0
+
+    imaddr = 4
+    testfile = open('outFileBinary.txt', 'r')
+    line = ''
+    with open('arch-fib', 'rb') as f:
+        e = ELFFile(f)
+        code = e.get_section_by_name('.text')
+        nextc = e.get_section_by_name('.rodata')
+        ops = code.data()
+        addr = code['sh_addr']
+        nextaddr = nextc['sh_addr']
+        for pos in range(0, nextaddr - addr, 4):
+            s = ''
+            for i in range(3, -1, -1):
+                s += (8 - len(bin(ops[pos + i])[2:])) * '0' + bin(
+                    ops[pos + i])[2:]
+            line = testfile.readline()[:-1]
+            if s != line:
+                print('fault in line ' + str(int(pos / 4 + 1)))
+            IM.memory[imaddr + 3], IM.memory[imaddr + 2], IM.memory[
+                imaddr +
+                1], IM.memory[imaddr] = s[:8], s[8:16], s[16:24], s[24:]
+            imaddr += 4
 
     while True:
         WB_dataD, RegWriteD, forward_a, forward_b = WB(
@@ -153,9 +178,28 @@ def dataPath():
         tempBD = tempBC
 
         MemtoRegB, RegWriteB, MemWriteB, RWSelB, MemReadB, pc_plus_immB, pc_plus_4B, BrPC, Brflush, ALU_resultB, rs1B, rs2B, rdB, tempAB, tempBB, funct3B, funct7B, stall = EX(
-            ALUSrcB, MemtoRegB, RegWriteB, MemReadB, MemWriteB, ALUOpB,
-            BranchB, JalrSelB, RWSelB, PCB, RD1B, RD2B, ImmGB, rs1B, rs2B, rdB,
-            funct3B, funct7B, lastrs1=insnA[12:17], lastrs2=insnA[7:12], forwardA=forward_a, forwardB=forward_b,
+            ALUSrcB,
+            MemtoRegB,
+            RegWriteB,
+            MemReadB,
+            MemWriteB,
+            ALUOpB,
+            BranchB,
+            JalrSelB,
+            RWSelB,
+            PCB,
+            RD1B,
+            RD2B,
+            ImmGB,
+            rs1B,
+            rs2B,
+            rdB,
+            funct3B,
+            funct7B,
+            lastrs1=insnA[12:17],
+            lastrs2=insnA[7:12],
+            forwardA=forward_a,
+            forwardB=forward_b,
             WB_data=WB_dataD,
             alu_out=ALU_resultB)
 
@@ -197,7 +241,7 @@ def dataPath():
         funct7B = insnA[0:7]
         insnB = insnA
 
-        nPC, insn = IF(BrPC, Brflush, stall, PC, IM)
+        nPC, insn = IF(BrPC, Brflush, stall, nPC, IM)
 
         if Brflush == '1':
             PCA = 4

code/insn_mem.py

@@ -1,5 +1,5 @@
 class insn_mem:
-    memory = [8 * '0'] * 4 * 1024 * 16
+    memory = [8 * '0'] * 4 * 1024 * 1024
 
     def __init__(self) -> None:
         pass