Initial Commit

binary_to_decimal.py

@@ -0,0 +1,26 @@
+def binary_2_decimal(imm):
+    if imm[0] == '0':
+        return int(imm, 2)
+    n = len(imm)
+    i = n - 1
+    while (i >= 0):
+        if (imm[i] == '1'):
+            break
+        i -= 1
+    if (i == -1):
+        return '1' + imm
+    k = i - 1
+    while (k >= 0):
+
+        if (imm[k] == '1'):
+            imm = list(imm)
+            imm[k] = '0'
+            imm = ''.join(imm)
+        else:
+            imm = list(imm)
+            imm[k] = '1'
+            imm = ''.join(imm)
+
+        k -= 1
+        ans = int(imm, 2)
+    return -1 * ans

globalss.py

@@ -0,0 +1,96 @@
+import array as arr
+
+# GLOBAL VARIABLES
+
+# for making .mc file
+RtypeWords = ['add', 'and', 'or', 'sll', 'slt', 'sra', 'srl', 'sub', 'xor', 'mul', 'div', 'rem']
+ItypeWords = ['addi', 'andi', 'ori', 'lb', 'ld', 'lh', 'lw', 'jalr']
+StypeWords = ['sb', 'sw', 'sd', 'sh']
+SBtypeWords = ['beq', 'bne', 'bge', 'blt']
+UtypeWords = ['auipc', 'lui']
+UJtypeWords = ['jal']
+PC_label = []
+name_label = []
+PC = 0
+PC_Seq = []
+reg_step = []
+memory_step = []
+
+# buffer=-1
+# register_file=-1
+# particular_instruction=-1
+
+memory_array = arr.array('i', [])
+stack_array = arr.array('i', [])
+
+stack_pointer = 10000
+
+register = arr.array('i', [])
+PC_execution = 0
+
+
+def assign_register():
+    q = 0
+    while q < 32:
+        register.append(0)
+        q = q + 1
+    return
+
+
+def assign_memory():
+    q = 0
+    while q < 1000:  # -1 means that block of byte has not been used yet
+        memory_array.append(-1)
+        q = q + 1
+    return
+
+
+def assign_PC():
+    PC_execution = 0
+    return
+
+
+def assign_stack():
+    q = 0
+    while q < 10001:
+        stack_array.append(-1)
+        q = q + 1
+    return
+
+
+# for reading .mc files
+
+R = ['add', 'and', 'or', 'sll', 'slt', 'sra', 'srl', 'sub', 'xor', 'mul', 'div', 'rem']
+I_1 = ['addi', 'andi', 'ori']
+I_2 = ['lb', 'ld', 'lh', 'lw']
+I_3 = ['jalr']
+S = ['sb', 'sw', 'sd', 'sh']
+SB = ['beq', 'bne', 'bge', 'blt']
+U_lui = ['lui']
+U_auipc = ['auipc']
+UJ = ['jal']
+reg = []
+
+major_opcode_name = ['R', 'I_1', 'I_2', 'I_3', 'S', 'SB', 'U_lui', 'U_auipc', 'UJ']
+major_opcode_value = ['0110011', '0010011', '0000011', '1100111', '0100011', '1100011', '0110111', '0010111', '1101111']
+
+Rfun3 = ['000', '111', '110', '001', '010', '101', '101', '000', '100', '000', '100', '110']
+Rfun7 = ['0000000', '0000000', '0000000', '0000000', '0000000', '0100000', '0000000', '0100000', '0000000', '0000001',
+         '0000001', '0000001']
+
+I_1fun3 = ['000', '111', '110']
+
+I_2fun3 = ['000', '011', '001', '010']
+
+Sfun3 = ['000', '010', '011', '001']
+
+SBfun3 = ['000', '001', '101', '100']
+
+# rough work
+# import linecache
+# line = linecache.getline('assembly.txt', 1)
+# i=1
+# while i<=16:
+#   line = linecache.getline('assembly.txt', i)
+#  print(line)
+# i=i+1