| 1 |
2 |
hmanske |
from pyparsing import *
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#------------------------------------------------------------------------------------------------------
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# CLASS ASSEMBLER
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#------------------------------------------------------------------------------------------------------
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class Assembler(object):
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def __init__(self, args):
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formaterList = FormaterList()
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formaterList.registerComponent("bin", Binary_Formater)
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formaterList.registerComponent("vhdl", VHDL_Formater)
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formaterList.registerComponent("coe", COE_Formater)
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formaterList.registerComponent("symboltable", SYMBOLTABLE_Formater)
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if len(args) != 4:
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print
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print "usage: python clvpasm.py <format> <infilename> <outfilename>"
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print " supported formats are: " + formaterList.getList()
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sys.exit(1)
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format = args[1]
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fileNameIn = args[2]
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fileNameOut = args[3]
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formater = formaterList.getFormater(format)
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if formater == None:
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print
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print "error: unsupported format, use one of the following: " + formaterList.getList()
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sys.exit(1)
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try:
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fileIn = open (fileNameIn,"r")
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programcode, symbols = Parser().parse(fileIn.readlines())
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fileIn.close()
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except IOError:
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print
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print "error: unable to open input file: " + fileNameIn
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sys.exit(1)
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try:
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formaterList.getFormater(format).write(programcode, symbols, fileNameOut)
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print "done"
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except IOError:
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print
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print "error: unable to write output file: " + fileNameOut
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sys.exit(1)
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#------------------------------------------------------------------------------------------------------
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# CLASS FORMATERLIST
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#------------------------------------------------------------------------------------------------------
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class FormaterList(object):
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def __init__(self):
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self.components = []
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def getFormater(self, format):
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for a in self.components:
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if format.lower().lstrip().startswith(a[0].lower()):
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return a[1]()
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return None;
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def getList(self):
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cmdlist = []
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for a in self.components:
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cmdlist.append(a[0])
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return str(cmdlist)
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def registerComponent(self,format,component):
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self.components.append([format,component])
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#------------------------------------------------------------------------------------------------------
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# CLASS VHDL_FORMATER
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#------------------------------------------------------------------------------------------------------
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class VHDL_Formater(object):
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def write(self, code, symbols, filename):
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#get last adress
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list = sorted(code.iteritems())
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list.reverse()
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end = list[0][0]
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f=open(filename,"w")
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f.write("-- *****************************************\n")
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f.write("-- * SRAM FILE GENERATED BY CLVP ASSEMBLER *\n")
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f.write("-- * do not make modifications here *\n")
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f.write("-- *****************************************\n\n")
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f.write("library ieee;\nuse ieee.std_logic_1164.all;\nuse ieee.std_logic_unsigned.all;\n")
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f.write("entity sram is\n\tport (\n\t\tclk : in std_logic;\n\t\twe : in std_logic;\n\t\ten : in std_logic;\n")
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f.write("\t\taddr : in std_logic_vector(31 downto 0);\n\t\tdi : in std_logic_vector(31 downto 0);\n")
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f.write("\t\tdo : out std_logic_vector(31 downto 0)\n\t);\nend sram;\n")
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f.write("architecture rtl of sram is\n")
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f.write("\ttype memory_type is array(0 to " + str(end+1) + ") of std_logic_vector(31 downto 0);\n")
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f.write("\tsignal memory : memory_type := (\n")
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for i in range(0,end+1):
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if code.has_key(i):
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f.write('\t\t"' + code[i][0] + '", -- ' + hex(i) + ' : ' +code[i][1] +'\n')
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else:
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f.write('\t\t"00000000000000000000000000000000", -- ' + hex(i)+'\n')
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f.write('\t\t"00000000000000000000000000000000"'+'\n')
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f.write('\t);'+'\n')
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f.write("begin\n\tprocess (clk)\n\tbegin\n\t\tif clk'event and clk = '1' then\n\t\t\tif en = '1' then\n")
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f.write("\t\t\t\tif we = '1' then\n\t\t\t\t\tmemory(conv_integer(addr)) <= di;\n\t\t\t\t\tdo <= di;\n")
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f.write("\t\t\t\telse\n\t\t\t\t\tdo <= memory(conv_integer(addr));\n\t\t\t\tend if;\n\t\t\tend if;\n\t\tend if;\n")
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f.write("\tend process;\nend;\n")
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f.close()
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#------------------------------------------------------------------------------------------------------
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# CLASS BINARY_FORMATER
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#------------------------------------------------------------------------------------------------------
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class Binary_Formater(object):
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def write(self, code, symbols, filename):
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#get last adress
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list = sorted(code.iteritems())
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list.reverse()
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end = list[0][0]
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f=open(filename,"wb")
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for i in range(0,end+1):
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if code.has_key(i):
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value = string.atoi(code[i][0],2)
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m = string.atoi("11111111000000000000000000000000",2)
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for j in range(4):
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a = (value & m) >> 8 * (3-j)
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m = m >> 8
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f.write(chr(a))
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else:
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f.write(chr(0) + chr(0) + chr(0) + chr(0))
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f.close()
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#------------------------------------------------------------------------------------------------------
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# CLASS COE_FORMATER
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#------------------------------------------------------------------------------------------------------
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class COE_Formater(object):
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def write(self, code, symbols, filename):
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#get last adress
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list = sorted(code.iteritems())
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list.reverse()
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end = list[0][0]
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| 150 |
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f=open(filename,"w")
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f.write("; COE FILE FOR XILINX CORE GENERATOR\n")
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f.write("; depth=" + str(end + 1) + ", and width=32\n")
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f.write(";\n")
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f.write("memory_initialization_radix=2;\n")
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f.write("memory_initialization_vector=\n")
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for i in range(0,end+1):
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if code.has_key(i):
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f.write(code[i][0] + ",\n")
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else:
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f.write("00000000000000000000000000000000,\n")
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f.write("00000000000000000000000000000000;\n")
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f.close()
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#------------------------------------------------------------------------------------------------------
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# CLASS SYMBOLTABLE_FORMATER
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#------------------------------------------------------------------------------------------------------
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class SYMBOLTABLE_Formater(object):
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def write(self, code, symbols, filename):
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f=open(filename,"w")
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for sym, addr in sorted(symbols.iteritems()):
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f.write(str(addr) + ":" + str(sym) + "\n")
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f.close()
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| 181 |
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#------------------------------------------------------------------------------------------------------
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# CLASS INSTRUCTION
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#------------------------------------------------------------------------------------------------------
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class Instruction(object):
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def __init__(self):
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self.bincode = []
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for i in range(32):
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self.bincode.append("0")
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def revert(self,value):
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| 192 |
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result = ""
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for i in range(len(value),0,-1):
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| 194 |
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result = result + value[i-1]
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return result
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| 196 |
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| 197 |
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def insert(self, start, end, value):
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| 198 |
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for i in range (start+1, end, -1):
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self.bincode[i-1] = self.revert(value)[i-1-end]
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| 200 |
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| 201 |
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def tostring(self):
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| 202 |
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result = ""
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| 203 |
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for i in range(32,0, -1):
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| 204 |
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result = result + self.bincode[i-1]
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return result
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| 206 |
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| 207 |
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def tobinary(self,n):
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| 208 |
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b = ""
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| 209 |
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if n == 0:
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| 210 |
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b= "0"
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| 211 |
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else:
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| 212 |
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while n > 0:
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| 213 |
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b = str(n % 2) + b
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| 214 |
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n = n >> 1
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| 215 |
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return b
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| 216 |
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| 217 |
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def insertImmediate(self, n):
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| 218 |
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self.insert(15,0,self.tobinary(n).rjust(16,"0"))
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| 219 |
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| 220 |
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def insertConstant(self, n):
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self.insert(31,0,self.tobinary(n).rjust(32,"0"))
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| 222 |
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| 223 |
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def insertR(self,r):
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| 224 |
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self.insert(11,8,self.tobinary(r).rjust(4,"0"))
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| 225 |
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| 226 |
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def insertV(self,v):
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| 227 |
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self.insert(7,4,self.tobinary(v).rjust(4,"0"))
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| 228 |
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| 229 |
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def insertW(self,w):
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| 230 |
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self.insert(3,0,self.tobinary(w).rjust(4,"0"))
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| 231 |
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| 232 |
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def insertVectorImmediate(self,n):
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| 233 |
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self.insert(27,20,self.tobinary(n).rjust(8,"0"))
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| 234 |
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| 235 |
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#------------------------------------------------------------------------------------------------------
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| 236 |
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# CLASS PARSER
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| 237 |
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#------------------------------------------------------------------------------------------------------
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| 238 |
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class Parser:
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| 239 |
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def tointeger(self,s):
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| 240 |
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if s[0] == "$":
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| 241 |
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return string.atoi(s[1:], base = 16)
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| 242 |
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| 243 |
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if s[0] == "%":
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| 244 |
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return string.atoi(s[1:], base = 2)
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| 245 |
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| 246 |
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if s[0] == "R":
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| 247 |
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return string.atoi(s[1:])
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| 248 |
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| 249 |
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return string.atoi(s)
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| 250 |
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| 251 |
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def parse(self, program):
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| 252 |
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| 253 |
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#create parsed commandlist
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| 254 |
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errorcounter = 0
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| 255 |
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commands = []
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| 256 |
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linenr = 0
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| 257 |
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| 258 |
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for line in program:
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| 259 |
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linenr = linenr + 1
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| 260 |
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line = line.strip().upper()
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| 261 |
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| 262 |
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try:
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| 263 |
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result = LineParser().parseLine(line)
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| 264 |
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if result.dcommand or result.vcommand or result.command or result.ccommand:
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| 265 |
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commands.append((result, linenr))
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| 266 |
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| 267 |
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except ParseException, err:
|
| 268 |
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print
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| 269 |
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print "conflict in line " + str(linenr) + ":"
|
| 270 |
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print line
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| 271 |
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print " "*err.loc + "^ " + "parse error"
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| 272 |
|
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errorcounter = errorcounter + 1
|
| 273 |
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| 274 |
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#create symbol table, assign adresses, detect conflicts
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| 275 |
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symbols = {}
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| 276 |
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program = {}
|
| 277 |
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| 278 |
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address = 0
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| 279 |
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| 280 |
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for cmd, linenr in commands:
|
| 281 |
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if cmd.dcommand == "ORG":
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| 282 |
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address = self.tointeger(cmd.address)
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| 283 |
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| 284 |
|
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if cmd.dcommand == "EQU":
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| 285 |
|
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if symbols.has_key(cmd.symbol):
|
| 286 |
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print
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| 287 |
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print "conflict in line " + str(linenr) + ":"
|
| 288 |
|
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print "=> symbol " + cmd.symbol + " has already been defined"
|
| 289 |
|
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errorcounter = errorcounter + 1
|
| 290 |
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else:
|
| 291 |
|
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symbols[cmd.symbol] = self.tointeger(cmd.value)
|
| 292 |
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|
| 293 |
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if cmd.label:
|
| 294 |
|
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if symbols.has_key(cmd.label[0]):
|
| 295 |
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print
|
| 296 |
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print "conflict in line " + str(linenr) + ":"
|
| 297 |
|
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print "=> symbol " + cmd.label[0] + " has already been defined"
|
| 298 |
|
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errorcounter = errorcounter + 1
|
| 299 |
|
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else:
|
| 300 |
|
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symbols[cmd.label[0]] = address
|
| 301 |
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|
| 302 |
|
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if cmd.dcommand != "ORG" and cmd.dcommand != "EQU":
|
| 303 |
|
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if program.has_key(address):
|
| 304 |
|
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print
|
| 305 |
|
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print "conflict in line " + str(linenr) + ":"
|
| 306 |
|
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print "=> memory address " + hex(address) + " is already in use"
|
| 307 |
|
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errorcounter = errorcounter + 1
|
| 308 |
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|
| 309 |
|
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program [address] = (cmd, linenr)
|
| 310 |
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address = address + 1
|
| 311 |
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|
| 312 |
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|
| 313 |
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#translate into machine program
|
| 314 |
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code = {}
|
| 315 |
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|
| 316 |
|
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for addr, prg in sorted(program.iteritems()):
|
| 317 |
|
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cmd = prg[0]
|
| 318 |
|
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linenr = prg[1]
|
| 319 |
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|
| 320 |
|
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if cmd.command and cmd.vcommand and cmd.immediate:
|
| 321 |
|
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print
|
| 322 |
|
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print "conflict in line " + str(linenr) + ":"
|
| 323 |
|
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print "=> you can't combine " + cmd.command + " (with immediate value) and " + cmd.vcommand
|
| 324 |
|
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errorcounter = errorcounter + 1
|
| 325 |
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|
| 326 |
|
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immediate = 0
|
| 327 |
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|
| 328 |
|
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if cmd.immediate:
|
| 329 |
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try:
|
| 330 |
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if cmd.value:
|
| 331 |
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immediate = self.tointeger(cmd.value)
|
| 332 |
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else:
|
| 333 |
|
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immediate = symbols[cmd.symbol]
|
| 334 |
|
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except KeyError:
|
| 335 |
|
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print
|
| 336 |
|
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print "conflict in line " + str(linenr) + ":"
|
| 337 |
|
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print "=> symbol " + cmd.symbol + " not declared"
|
| 338 |
|
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errorcounter = errorcounter + 1
|
| 339 |
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|
| 340 |
|
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if immediate > 65535:
|
| 341 |
|
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print
|
| 342 |
|
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print "conflict in line " + str(linenr) + ":"
|
| 343 |
|
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print "=> immediate value " + cmd.immediate +" (" + hex(immediate) + ") is out of range (max = 0xFFFF)"
|
| 344 |
|
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errorcounter = errorcounter + 1
|
| 345 |
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| 346 |
|
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if cmd.rvector_register:
|
| 347 |
|
|
if self.tointeger(cmd.rvector_register) > Settings().getN()-1:
|
| 348 |
|
|
print
|
| 349 |
|
|
print "conflict in line " + str(linenr) + ":"
|
| 350 |
|
|
print "=> vector register (" + cmd.rvector_register + ") is out of range (R0..R"+ str(Settings().getN()-1) + ")"
|
| 351 |
|
|
errorcounter = errorcounter + 1
|
| 352 |
|
|
|
| 353 |
|
|
if cmd.vvector_register:
|
| 354 |
|
|
if self.tointeger(cmd.vvector_register) > Settings().getN()-1:
|
| 355 |
|
|
print
|
| 356 |
|
|
print "conflict in line " + str(linenr) + ":"
|
| 357 |
|
|
print "=> vector register (" + cmd.vvector_register + ") is out of range (R0..R"+ str(Settings().getN()-1) + ")"
|
| 358 |
|
|
errorcounter = errorcounter + 1
|
| 359 |
|
|
|
| 360 |
|
|
if cmd.wvector_register:
|
| 361 |
|
|
if self.tointeger(cmd.wvector_register) > Settings().getN()-1:
|
| 362 |
|
|
print
|
| 363 |
|
|
print "conflict in line " + str(linenr) + ":"
|
| 364 |
|
|
print "=> vector register (" + cmd.wvector_register + ") is out of range (R0..R"+ str(Settings().getN()-1) + ")"
|
| 365 |
|
|
errorcounter = errorcounter + 1
|
| 366 |
|
|
|
| 367 |
|
|
|
| 368 |
|
|
i = Instruction()
|
| 369 |
|
|
register = {"0":"00","A":"01","X":"10","Y":"11"}
|
| 370 |
|
|
wordlength = {"B":"00","W":"01","DW":"10","QW":"11"}
|
| 371 |
|
|
|
| 372 |
|
|
alucommand = False
|
| 373 |
|
|
jumpcommand = False
|
| 374 |
|
|
valucommand = False
|
| 375 |
|
|
immediate_possible = True
|
| 376 |
|
|
|
| 377 |
|
|
#directive commands
|
| 378 |
|
|
if cmd.dcommand == "DC":
|
| 379 |
|
|
i.insertConstant(self.tointeger(cmd.address))
|
| 380 |
|
|
|
| 381 |
|
|
#scalar commands
|
| 382 |
|
|
if cmd.command == "ADD":
|
| 383 |
|
|
alucommand = True
|
| 384 |
|
|
i.insert(29,26,"0000")
|
| 385 |
|
|
|
| 386 |
|
|
if cmd.command == "ADC":
|
| 387 |
|
|
alucommand = True
|
| 388 |
|
|
i.insert(29,26,"0001")
|
| 389 |
|
|
|
| 390 |
|
|
if cmd.command == "SUB":
|
| 391 |
|
|
alucommand = True
|
| 392 |
|
|
i.insert(29,26,"0010")
|
| 393 |
|
|
|
| 394 |
|
|
if cmd.command == "SBC":
|
| 395 |
|
|
alucommand = True
|
| 396 |
|
|
i.insert(29,26,"0011")
|
| 397 |
|
|
|
| 398 |
|
|
if cmd.command == "AND":
|
| 399 |
|
|
alucommand = True
|
| 400 |
|
|
i.insert(29,26,"1000")
|
| 401 |
|
|
|
| 402 |
|
|
if cmd.command == "OR":
|
| 403 |
|
|
alucommand = True
|
| 404 |
|
|
i.insert(29,26,"1001")
|
| 405 |
|
|
|
| 406 |
|
|
if cmd.command == "XOR":
|
| 407 |
|
|
alucommand = True
|
| 408 |
|
|
i.insert(29,26,"1010")
|
| 409 |
|
|
|
| 410 |
|
|
if cmd.command == "MUL":
|
| 411 |
|
|
alucommand = True
|
| 412 |
|
|
i.insert(29,26,"1011")
|
| 413 |
|
|
|
| 414 |
|
|
if cmd.command == "INC":
|
| 415 |
|
|
alucommand = True
|
| 416 |
|
|
i.insert(29,26,"0100")
|
| 417 |
|
|
|
| 418 |
|
|
if cmd.command == "DEC":
|
| 419 |
|
|
alucommand = True
|
| 420 |
|
|
i.insert(29,26,"0110")
|
| 421 |
|
|
|
| 422 |
|
|
if cmd.command == "LSL":
|
| 423 |
|
|
alucommand = True
|
| 424 |
|
|
i.insert(29,26,"1100")
|
| 425 |
|
|
|
| 426 |
|
|
if cmd.command == "LSR":
|
| 427 |
|
|
alucommand = True
|
| 428 |
|
|
i.insert(29,26,"1110")
|
| 429 |
|
|
|
| 430 |
|
|
if cmd.command == "ROL":
|
| 431 |
|
|
alucommand = True
|
| 432 |
|
|
i.insert(29,26,"1101")
|
| 433 |
|
|
|
| 434 |
|
|
if cmd.command == "ROR":
|
| 435 |
|
|
alucommand = True
|
| 436 |
|
|
i.insert(29,26,"1111")
|
| 437 |
|
|
|
| 438 |
|
|
if cmd.command == "LD":
|
| 439 |
|
|
i.insert(31,28,"1000")
|
| 440 |
|
|
i.insert(25,24,register[cmd.dregister])
|
| 441 |
|
|
i.insert(23,22,register[cmd.sregister])
|
| 442 |
|
|
immediate_possible = True
|
| 443 |
|
|
|
| 444 |
|
|
if cmd.command == "ST":
|
| 445 |
|
|
i.insert(31,28,"1010")
|
| 446 |
|
|
i.insert(23,22,register[cmd.sregister])
|
| 447 |
|
|
immediate_possible = True
|
| 448 |
|
|
|
| 449 |
|
|
if cmd.command == "HALT":
|
| 450 |
|
|
i.insert(31,27,"00101")
|
| 451 |
|
|
|
| 452 |
|
|
if cmd.command == "NOP":
|
| 453 |
|
|
i.insert(31,29,"000")
|
| 454 |
|
|
|
| 455 |
|
|
if cmd.command == "JMP":
|
| 456 |
|
|
i.insert(31,24,"00100000")
|
| 457 |
|
|
jumpcommand = True
|
| 458 |
|
|
|
| 459 |
|
|
if cmd.command == "JAL":
|
| 460 |
|
|
i.insert(31,26,"001000")
|
| 461 |
|
|
i.insert(25,24,register[cmd.dregister])
|
| 462 |
|
|
jumpcommand = True
|
| 463 |
|
|
|
| 464 |
|
|
if cmd.command == "JNC":
|
| 465 |
|
|
i.insert(31,24,"00110000")
|
| 466 |
|
|
jumpcommand = True
|
| 467 |
|
|
|
| 468 |
|
|
if cmd.command == "JC":
|
| 469 |
|
|
i.insert(31,24,"00110100")
|
| 470 |
|
|
jumpcommand = True
|
| 471 |
|
|
|
| 472 |
|
|
if cmd.command == "JNZ":
|
| 473 |
|
|
i.insert(31,24,"00111000")
|
| 474 |
|
|
jumpcommand = True
|
| 475 |
|
|
|
| 476 |
|
|
if cmd.command == "JZ":
|
| 477 |
|
|
i.insert(31,24,"00111100")
|
| 478 |
|
|
jumpcommand = True
|
| 479 |
|
|
|
| 480 |
|
|
if cmd.command == "CLC":
|
| 481 |
|
|
i.insert(31,26,"110000")
|
| 482 |
|
|
i.insert(23,20,"0100")
|
| 483 |
|
|
|
| 484 |
|
|
if cmd.command == "CLZ":
|
| 485 |
|
|
i.insert(31,26,"110000")
|
| 486 |
|
|
i.insert(23,20,"1000")
|
| 487 |
|
|
|
| 488 |
|
|
if cmd.command == "SEC":
|
| 489 |
|
|
i.insert(31,26,"110000")
|
| 490 |
|
|
i.insert(23,20,"0101")
|
| 491 |
|
|
|
| 492 |
|
|
if cmd.command == "SEZ":
|
| 493 |
|
|
i.insert(31,26,"110000")
|
| 494 |
|
|
i.insert(23,20,"1010")
|
| 495 |
|
|
|
| 496 |
|
|
#common parts of scalar commands
|
| 497 |
|
|
if alucommand == True:
|
| 498 |
|
|
i.insert(31,30,"01");
|
| 499 |
|
|
i.insert(25,24,register[cmd.dregister])
|
| 500 |
|
|
i.insert(23,22,register[cmd.sregister])
|
| 501 |
|
|
immediate_possible = True
|
| 502 |
|
|
|
| 503 |
|
|
if jumpcommand == True:
|
| 504 |
|
|
i.insert(23,22,register[cmd.sregister])
|
| 505 |
|
|
immediate_possible = True
|
| 506 |
|
|
|
| 507 |
|
|
if immediate_possible == True:
|
| 508 |
|
|
if(cmd.immediate):
|
| 509 |
|
|
i.insert(21,20,"00")
|
| 510 |
|
|
i.insert(19,17,"000")
|
| 511 |
|
|
i.insertImmediate(immediate)
|
| 512 |
|
|
else:
|
| 513 |
|
|
if cmd.tregister:
|
| 514 |
|
|
i.insert(21,20,register[cmd.tregister])
|
| 515 |
|
|
|
| 516 |
|
|
#vector commands
|
| 517 |
|
|
if cmd.vcommand == "VADD":
|
| 518 |
|
|
i.insert(15,12,"0000")
|
| 519 |
|
|
valucommand = True
|
| 520 |
|
|
|
| 521 |
|
|
if cmd.vcommand == "VSUB":
|
| 522 |
|
|
i.insert(15,12,"0010")
|
| 523 |
|
|
valucommand = True
|
| 524 |
|
|
|
| 525 |
|
|
if cmd.vcommand == "VAND":
|
| 526 |
|
|
i.insert(15,12,"1000")
|
| 527 |
|
|
valucommand = True
|
| 528 |
|
|
|
| 529 |
|
|
if cmd.vcommand == "VOR":
|
| 530 |
|
|
i.insert(15,12,"1001")
|
| 531 |
|
|
valucommand = True
|
| 532 |
|
|
|
| 533 |
|
|
if cmd.vcommand == "VMUL":
|
| 534 |
|
|
i.insert(15,12,"1011")
|
| 535 |
|
|
valucommand = True
|
| 536 |
|
|
|
| 537 |
|
|
if cmd.vcommand == "VXOR":
|
| 538 |
|
|
i.insert(15,12,"1010")
|
| 539 |
|
|
valucommand = True
|
| 540 |
|
|
|
| 541 |
|
|
if cmd.vcommand == "VLSL":
|
| 542 |
|
|
i.insert(15,12,"1100")
|
| 543 |
|
|
valucommand = True
|
| 544 |
|
|
|
| 545 |
|
|
if cmd.vcommand == "VLSR":
|
| 546 |
|
|
i.insert(15,12,"1110")
|
| 547 |
|
|
valucommand = True
|
| 548 |
|
|
|
| 549 |
|
|
if cmd.vcommand == "VNOP":
|
| 550 |
|
|
i.insert(19,17,"000")
|
| 551 |
|
|
|
| 552 |
|
|
if cmd.vcommand == "VMOL":
|
| 553 |
|
|
i.insert(19,17,"001")
|
| 554 |
|
|
i.insert(15,12,"1000")
|
| 555 |
|
|
i.insertR(self.tointeger(cmd.rvector_register))
|
| 556 |
|
|
i.insertV(self.tointeger(cmd.vvector_register))
|
| 557 |
|
|
|
| 558 |
|
|
if cmd.vcommand == "VMOR":
|
| 559 |
|
|
i.insert(19,17,"001")
|
| 560 |
|
|
i.insert(15,12,"1100")
|
| 561 |
|
|
i.insertR(self.tointeger(cmd.rvector_register))
|
| 562 |
|
|
i.insertV(self.tointeger(cmd.vvector_register))
|
| 563 |
|
|
|
| 564 |
|
|
if cmd.vcommand == "VMOV":
|
| 565 |
|
|
i.insert(19,17,"001")
|
| 566 |
|
|
|
| 567 |
|
|
if cmd.rvector_register and cmd.vvector_register: #vmov r,v
|
| 568 |
|
|
i.insert(15,12,"0001")
|
| 569 |
|
|
i.insertR(self.tointeger(cmd.rvector_register))
|
| 570 |
|
|
i.insertV(self.tointeger(cmd.vvector_register))
|
| 571 |
|
|
|
| 572 |
|
|
if cmd.immediate:
|
| 573 |
|
|
if immediate > 255:
|
| 574 |
|
|
print
|
| 575 |
|
|
print "conflict in line " + str(linenr) + ":"
|
| 576 |
|
|
print "=> immediate value " + cmd.immediate +" (" + hex(immediate) + ") is out of range (max = 0xFF)"
|
| 577 |
|
|
errorcounter = errorcounter + 1
|
| 578 |
|
|
else:
|
| 579 |
|
|
if cmd.rvector_register: #vmov r, r<n>
|
| 580 |
|
|
i.insertVectorImmediate(immediate)
|
| 581 |
|
|
i.insert(15,12,"0010")
|
| 582 |
|
|
i.insertR(self.tointeger(cmd.rvector_register))
|
| 583 |
|
|
|
| 584 |
|
|
if cmd.vvector_register: #vmov r<n>,r
|
| 585 |
|
|
i.insertVectorImmediate(immediate)
|
| 586 |
|
|
i.insert(15,12,"0011")
|
| 587 |
|
|
i.insertV(self.tointeger(cmd.vvector_register))
|
| 588 |
|
|
|
| 589 |
|
|
#common parts of vector commands
|
| 590 |
|
|
if valucommand == True:
|
| 591 |
|
|
i.insert(19,18,"01")
|
| 592 |
|
|
i.insert(17,16,wordlength[cmd.width])
|
| 593 |
|
|
i.insertR(self.tointeger(cmd.rvector_register))
|
| 594 |
|
|
i.insertV(self.tointeger(cmd.vvector_register))
|
| 595 |
|
|
|
| 596 |
|
|
if cmd.wvector_register:
|
| 597 |
|
|
i.insertW(self.tointeger(cmd.wvector_register))
|
| 598 |
|
|
|
| 599 |
|
|
#cooperative commands
|
| 600 |
|
|
if cmd.ccommand == "VLD":
|
| 601 |
|
|
i.insert(31,28,"1001")
|
| 602 |
|
|
i.insert(23,22,register[cmd.sregister])
|
| 603 |
|
|
i.insert(21,20,register[cmd.tregister])
|
| 604 |
|
|
i.insert(19,18,"10")
|
| 605 |
|
|
i.insert(15,12,"0010")
|
| 606 |
|
|
i.insertR(self.tointeger(cmd.rvector_register))
|
| 607 |
|
|
|
| 608 |
|
|
if cmd.ccommand == "VST":
|
| 609 |
|
|
i.insert(31,26,"101100")
|
| 610 |
|
|
i.insert(23,22,register[cmd.sregister])
|
| 611 |
|
|
i.insert(21,20,register[cmd.tregister])
|
| 612 |
|
|
i.insert(19,18,"10")
|
| 613 |
|
|
i.insert(15,12,"0011")
|
| 614 |
|
|
i.insertV(self.tointeger(cmd.vvector_register))
|
| 615 |
|
|
|
| 616 |
|
|
if cmd.ccommand == "MOV":
|
| 617 |
|
|
if cmd.rvector_register and cmd.tregister and cmd.sregister: #mov r(t),s
|
| 618 |
|
|
i.insert(31,26,"101110")
|
| 619 |
|
|
i.insert(23,22,register[cmd.sregister])
|
| 620 |
|
|
i.insert(21,20,register[cmd.tregister])
|
| 621 |
|
|
i.insert(19,18,"10")
|
| 622 |
|
|
i.insert(15,12,"0100")
|
| 623 |
|
|
i.insertR(self.tointeger(cmd.rvector_register))
|
| 624 |
|
|
|
| 625 |
|
|
if cmd.vvector_register and cmd.tregister and cmd.dregister: #mov d,v(t)
|
| 626 |
|
|
i.insert(31,26,"101111")
|
| 627 |
|
|
i.insert(25,24,register[cmd.dregister])
|
| 628 |
|
|
i.insert(21,20,register[cmd.tregister])
|
| 629 |
|
|
i.insert(19,18,"10")
|
| 630 |
|
|
i.insert(15,12,"0101")
|
| 631 |
|
|
i.insertV(self.tointeger(cmd.vvector_register))
|
| 632 |
|
|
|
| 633 |
|
|
if cmd.ccommand == "MOVA":
|
| 634 |
|
|
i.insert(31,26,"101101")
|
| 635 |
|
|
i.insert(23,22,register[cmd.sregister])
|
| 636 |
|
|
i.insert(19,18,"10")
|
| 637 |
|
|
i.insert(15,12,"0110")
|
| 638 |
|
|
i.insertR(self.tointeger(cmd.rvector_register))
|
| 639 |
|
|
|
| 640 |
|
|
if cmd.ccommand == "VSHUF":
|
| 641 |
|
|
i.insert(31,29,"000")
|
| 642 |
|
|
i.insert(19,18,"11")
|
| 643 |
|
|
i.insert(17,16,cmd.perm[0:2])
|
| 644 |
|
|
i.insert(15,12,cmd.perm[2:6])
|
| 645 |
|
|
i.insert(27,20,cmd.perm[6:14])
|
| 646 |
|
|
i.insertR(self.tointeger(cmd.rvector_register))
|
| 647 |
|
|
i.insertV(self.tointeger(cmd.vvector_register))
|
| 648 |
|
|
i.insertW(self.tointeger(cmd.wvector_register))
|
| 649 |
|
|
|
| 650 |
|
|
code [addr] = (i.tostring(), string.join(cmd))
|
| 651 |
|
|
|
| 652 |
|
|
if errorcounter > 0:
|
| 653 |
|
|
print
|
| 654 |
|
|
print str(errorcounter) + " error(s) found => output has not been written"
|
| 655 |
|
|
sys.exit(1)
|
| 656 |
|
|
else:
|
| 657 |
|
|
return code, symbols
|
| 658 |
|
|
|
| 659 |
|
|
#------------------------------------------------------------------------------------------------------
|
| 660 |
|
|
# CLASS LINEPARSER
|
| 661 |
|
|
#------------------------------------------------------------------------------------------------------
|
| 662 |
|
|
class LineParser:
|
| 663 |
|
|
def parseLine(self,line):
|
| 664 |
|
|
|
| 665 |
|
|
expression = Forward()
|
| 666 |
|
|
|
| 667 |
|
|
dec_value = Word("0123456789", min=1)
|
| 668 |
|
|
hex_value = Word("$","ABCDEF0123456789", min=2)
|
| 669 |
|
|
bin_value = Word("%","10", min=2)
|
| 670 |
|
|
|
| 671 |
|
|
value = (dec_value ^ hex_value ^ bin_value).setResultsName("value")
|
| 672 |
|
|
ident = Word( alphas, alphanums + "_" ).setResultsName("symbol")
|
| 673 |
|
|
|
| 674 |
|
|
immediate = (value ^ ident).setResultsName("immediate")
|
| 675 |
|
|
perm = Word("10", min=14, max=14).setResultsName("perm")
|
| 676 |
|
|
|
| 677 |
|
|
length = (Literal("B") ^ Literal("W") ^ Literal("DW") ^ Literal("QW")).setResultsName("width")
|
| 678 |
|
|
mult_length = (Literal("B") ^ Literal("W")).setResultsName("width")
|
| 679 |
|
|
|
| 680 |
|
|
width = ("." + length)
|
| 681 |
|
|
mult_width = ("." + mult_length)
|
| 682 |
|
|
|
| 683 |
|
|
label = (ident + ":").setResultsName("label")
|
| 684 |
|
|
|
| 685 |
|
|
comment = ( ";" + restOfLine).setResultsName("comment")
|
| 686 |
|
|
|
| 687 |
|
|
dregister = (Literal("A") ^ Literal("X") ^ Literal("Y") ^ Literal("0")).setResultsName("dregister")
|
| 688 |
|
|
sregister = (Literal("A") ^ Literal("X") ^ Literal("Y") ^ Literal("0")).setResultsName("sregister")
|
| 689 |
|
|
tregister = (Literal("A") ^ Literal("X") ^ Literal("Y")).setResultsName("tregister")
|
| 690 |
|
|
akku = Literal("A")
|
| 691 |
|
|
|
| 692 |
|
|
rvector_register = Word("R","0123456789",min=2).setResultsName("rvector_register")
|
| 693 |
|
|
vvector_register = Word("R","0123456789",min=2).setResultsName("vvector_register")
|
| 694 |
|
|
wvector_register = Word("R","0123456789",min=2).setResultsName("wvector_register")
|
| 695 |
|
|
|
| 696 |
|
|
|
| 697 |
|
|
directive_cmd_keyword_1 = (Keyword("ORG") ^ Keyword("DC")).setResultsName("dcommand")
|
| 698 |
|
|
directive_cmd_keyword_2 = (Keyword("EQU")).setResultsName("dcommand")
|
| 699 |
|
|
|
| 700 |
|
|
directive_cmd_1 = directive_cmd_keyword_1 + value.setResultsName("address")
|
| 701 |
|
|
directive_cmd_2 = directive_cmd_keyword_2 + ident + value
|
| 702 |
|
|
|
| 703 |
|
|
directive_cmd = (directive_cmd_1 ^ directive_cmd_2)
|
| 704 |
|
|
|
| 705 |
|
|
alu_cmd_keyword_1 = (Keyword("INC") ^ Keyword("DEC") ^ Keyword("LSL") ^ Keyword("LSR") ^ Keyword("ROL") \
|
| 706 |
|
|
^ Keyword("ROR")).setResultsName("command")
|
| 707 |
|
|
|
| 708 |
|
|
alu_cmd_keyword_2 = (Keyword("ADD") ^ Keyword("ADC") ^ Keyword("SUB") ^ Keyword("SBC") ^ Keyword("AND") \
|
| 709 |
|
|
^ Keyword("OR") ^ Keyword("XOR") ^ Keyword("MUL")).setResultsName("command")
|
| 710 |
|
|
|
| 711 |
|
|
|
| 712 |
|
|
alu_cmd_1 = alu_cmd_keyword_1 + dregister + "," + sregister
|
| 713 |
|
|
alu_cmd_2 = alu_cmd_keyword_2 + dregister + "," + sregister + "," + (tregister ^ immediate)
|
| 714 |
|
|
alu_cmd = (alu_cmd_1 ^ alu_cmd_2)
|
| 715 |
|
|
|
| 716 |
|
|
jmp_cmd_keyword_1 = (Keyword("JMP") ^ Keyword("JNC") ^ Keyword("JC") ^ Keyword("JNZ") ^ Keyword("JZ")) \
|
| 717 |
|
|
.setResultsName("command")
|
| 718 |
|
|
jmp_cmd_keyword_2 = Keyword("JAL").setResultsName("command")
|
| 719 |
|
|
|
| 720 |
|
|
jmp_cmd_1 = jmp_cmd_keyword_1 + Optional("[") + sregister + "+" + (tregister ^ immediate) + Optional("]")
|
| 721 |
|
|
jmp_cmd_2 = jmp_cmd_keyword_2 + dregister + "," + Optional("[") + sregister + "+" + (tregister ^ immediate) + Optional("]")
|
| 722 |
|
|
jmp_cmd = (jmp_cmd_1 ^ jmp_cmd_2)
|
| 723 |
|
|
|
| 724 |
|
|
inherent_cmd_keyword = (Keyword ("HALT") ^ Keyword ("NOP") ^ Keyword ("CLC") ^ Keyword ("CLZ") ^ Keyword ("SEC") \
|
| 725 |
|
|
^ Keyword ("SEZ")).setResultsName("command")
|
| 726 |
|
|
|
| 727 |
|
|
inherent_cmd = inherent_cmd_keyword
|
| 728 |
|
|
|
| 729 |
|
|
load_cmd_keyword = Keyword("LD").setResultsName("command")
|
| 730 |
|
|
load_cmd = load_cmd_keyword + dregister + "," + Optional("[") + sregister + "+" + (tregister ^ immediate) + Optional("]")
|
| 731 |
|
|
|
| 732 |
|
|
store_cmd_keyword = Keyword("ST").setResultsName("command")
|
| 733 |
|
|
store_cmd = store_cmd_keyword + Optional("[") + sregister + "+" + (tregister ^ immediate) + Optional("]") +"," + akku
|
| 734 |
|
|
|
| 735 |
|
|
scalar_command = (alu_cmd ^ jmp_cmd ^ inherent_cmd ^ load_cmd ^ store_cmd)
|
| 736 |
|
|
|
| 737 |
|
|
mov_cmd_keyword = Keyword("MOV").setResultsName("ccommand")
|
| 738 |
|
|
mov_cmd_1 = mov_cmd_keyword + rvector_register + "(" + tregister + ")" + "," + sregister
|
| 739 |
|
|
mov_cmd_2 = mov_cmd_keyword + dregister + "," + vvector_register + "(" + tregister + ")"
|
| 740 |
|
|
mov_cmd = (mov_cmd_1 ^ mov_cmd_2)
|
| 741 |
|
|
|
| 742 |
|
|
vld_cmd_keyword = Keyword("VLD").setResultsName("ccommand")
|
| 743 |
|
|
vld_cmd = vld_cmd_keyword + rvector_register + "," + Optional("[") + sregister + "+" + tregister + Optional("]")
|
| 744 |
|
|
|
| 745 |
|
|
vst_cmd_keyword = Keyword("VST").setResultsName("ccommand")
|
| 746 |
|
|
vst_cmd = vst_cmd_keyword + Optional("[") + sregister + "+" + tregister + Optional("]") + "," + vvector_register
|
| 747 |
|
|
|
| 748 |
|
|
shuffle_cmd_keyword = Keyword("VSHUF").setResultsName("ccommand")
|
| 749 |
|
|
shuffle_cmd = shuffle_cmd_keyword + rvector_register + "," + vvector_register + "," + wvector_register + "," + perm
|
| 750 |
|
|
|
| 751 |
|
|
mova_cmd_keyword = Keyword("MOVA").setResultsName("ccommand")
|
| 752 |
|
|
mova_cmd = mova_cmd_keyword + rvector_register + "," + sregister
|
| 753 |
|
|
|
| 754 |
|
|
coop_command = (mov_cmd ^ vld_cmd ^ vst_cmd ^ shuffle_cmd ^ mova_cmd)
|
| 755 |
|
|
|
| 756 |
|
|
valu_cmd_keyword_1 = (Keyword("VADD") ^ Keyword("VSUB") ^ Keyword("VAND") ^ Keyword("VOR") ^ Keyword("VXOR")) \
|
| 757 |
|
|
.setResultsName("vcommand")
|
| 758 |
|
|
|
| 759 |
|
|
valu_cmd_keyword_2 = (Keyword("VLSL") ^ Keyword("VLSR")).setResultsName("vcommand")
|
| 760 |
|
|
|
| 761 |
|
|
valu_cmd_keyword_3 = Keyword("VMUL").setResultsName("vcommand")
|
| 762 |
|
|
|
| 763 |
|
|
valu_cmd_1 = valu_cmd_keyword_1 + width + rvector_register + "," + vvector_register + "," + wvector_register
|
| 764 |
|
|
valu_cmd_2 = valu_cmd_keyword_2 + width + rvector_register + "," + vvector_register
|
| 765 |
|
|
valu_cmd_3 = valu_cmd_keyword_3 + mult_width + rvector_register + "," + vvector_register + "," + wvector_register
|
| 766 |
|
|
valu_cmd = (valu_cmd_1 ^ valu_cmd_2 ^ valu_cmd_3)
|
| 767 |
|
|
|
| 768 |
|
|
vnop_cmd_keyword = Keyword("VNOP").setResultsName("vcommand")
|
| 769 |
|
|
vnop_cmd = vnop_cmd_keyword
|
| 770 |
|
|
|
| 771 |
|
|
vmov_cmd_keyword = Keyword("VMOV").setResultsName("vcommand")
|
| 772 |
|
|
vmov_cmd_1 = vmov_cmd_keyword + rvector_register + "," + vvector_register
|
| 773 |
|
|
vmov_cmd_2 = vmov_cmd_keyword + rvector_register + "," + "R" + "<" + immediate + ">"
|
| 774 |
|
|
vmov_cmd_3 = vmov_cmd_keyword + "R" + "<" + immediate + ">" + "," + vvector_register
|
| 775 |
|
|
vmov_cmd = (vmov_cmd_1 ^ vmov_cmd_2 ^ vmov_cmd_3)
|
| 776 |
|
|
|
| 777 |
|
|
vmolr_cmd_keyword = (Keyword("VMOL") ^ Keyword("VMOR")).setResultsName("vcommand")
|
| 778 |
|
|
vmolr_cmd = vmolr_cmd_keyword + rvector_register + "," + vvector_register
|
| 779 |
|
|
|
| 780 |
|
|
vector_command = (valu_cmd ^ vnop_cmd ^ vmov_cmd ^ vmolr_cmd)
|
| 781 |
|
|
|
| 782 |
|
|
command = ((directive_cmd ^ scalar_command ^ coop_command ^ vector_command) \
|
| 783 |
|
|
^ (scalar_command + "|" + vector_command )\
|
| 784 |
|
|
^ (vector_command + "|" + scalar_command ))
|
| 785 |
|
|
|
| 786 |
|
|
|
| 787 |
|
|
expression << (Optional((Optional(label) + command)) + Optional(comment) + lineEnd)
|
| 788 |
|
|
result = expression.parseString(line)
|
| 789 |
|
|
return result
|
| 790 |
|
|
|
| 791 |
|
|
#------------------------------------------------------------------------------------------------------
|
| 792 |
|
|
# CLASS SETTINGS
|
| 793 |
|
|
#------------------------------------------------------------------------------------------------------
|
| 794 |
|
|
class Settings(object):
|
| 795 |
|
|
def getN(self):
|
| 796 |
|
|
return 16
|
| 797 |
|
|
|
| 798 |
|
|
def getK(self):
|
| 799 |
|
|
return 16
|
| 800 |
|
|
|
| 801 |
|
|
#------------------------------------------------------------------------------------------------------
|
| 802 |
|
|
# MAIN PROGRAM
|
| 803 |
|
|
#------------------------------------------------------------------------------------------------------
|
| 804 |
|
|
if __name__ == '__main__':
|
| 805 |
|
|
Assembler(sys.argv)
|
| 806 |
|
|
|
| 807 |
|
|
|
