build.py

   1 import os
   2 import top
   3
   4 # list Verilog sources before changing directory
   5 verilog_sources = []
   6 def add_core_dir(d):
   7         for root, subFolders, files in os.walk(os.path.join("verilog", d)):
   8                 for f in files:
   9                         verilog_sources.append(os.path.join(root, f))
  10 def add_core_files(d, files):
  11         for f in files:
  12                 verilog_sources.append(os.path.join("verilog", d, f))
  13 add_core_dir("m1reset")
  14 add_core_files("lm32", ["lm32_cpu.v", "lm32_instruction_unit.v", "lm32_decoder.v",
  15         "lm32_load_store_unit.v", "lm32_adder.v", "lm32_addsub.v", "lm32_logic_op.v",
  16         "lm32_shifter.v", "lm32_multiplier_spartan6.v", "lm32_mc_arithmetic.v",
  17         "lm32_interrupt.v", "lm32_ram.v", "lm32_dp_ram.v", "lm32_icache.v",
  18         "lm32_dcache.v", "lm32_top.v", "lm32_debug.v", "lm32_jtag.v", "jtag_cores.v",
  19         "jtag_tap_spartan6.v"])
  20 add_core_dir("uart")
  21
  22 os.system("rm -rf build/*")
  23 os.chdir("build")
  24
  25 def str2file(filename, contents):
  26         f = open(filename, 'w')
  27         f.write(contents)
  28         f.close()
  29
  30 # generate source
  31 (src_verilog, src_ucf) = top.get()
  32 str2file("soc.v", src_verilog)
  33 str2file("soc.ucf", src_ucf)
  34 verilog_sources.append("build/soc.v")
  35
  36 # xst
  37 xst_prj = ""
  38 for s in verilog_sources:
  39         xst_prj += "verilog work ../" + s + "\n"
  40 str2file("soc.prj", xst_prj)
  41 str2file("soc.xst", """run
  42 -ifn soc.prj
  43 -top soc
  44 -ifmt MIXED
  45 -opt_mode SPEED
  46 -opt_level 2
  47 -resource_sharing no
  48 -reduce_control_sets auto
  49 -ofn soc.ngc
  50 -p xc6slx45-fgg484-2""")
  51 os.system("xst -ifn soc.xst")
  52
  53 # ngdbuild
  54 os.system("ngdbuild -uc soc.ucf soc.ngc")
  55
  56 # map
  57 os.system("map -ol high -w soc.ngd")
  58
  59 # par
  60 os.system("par -ol high -w soc.ncd soc-routed.ncd")
  61
  62 # bitgen
  63 os.system("bitgen -g LCK_cycle:6 -g Binary:Yes -g INIT_9K:Yes -w soc-routed.ncd soc.bit")