first 1,000,000 steps match

risc/compare.sh

@@ -3,6 +3,7 @@ echo "compiling"
 ./build.sh
 COMPILE=1 ./run.py
 echo "running in go"
+export STEPS=1000000
 $(cd ../mipsevm && DEBUG=1 ./evm.sh /tmp/minigeth.bin > /tmp/gethtrace)
 echo "compare"
 ./simple.py

risc/simple.py

@@ -102,10 +102,6 @@ def hook_code_simple(uc, address, size, user_data):
   assert address == pc
   assert size == 4
 
-  # check for BDS
-  # UGH! there should be a better way to do this
-  dat = next(md.disasm(uc.mem_read(address, size), address))
-
   inst = struct.unpack(">I", uc.mem_read(pc, 4))[0]
   regs = []
   # starting at AT
@@ -116,12 +112,14 @@ def hook_code_simple(uc, address, size, user_data):
   ss = "%7d %8X %08X : " % (step, pc, inst) + rr
   sgt = gtf.readline().strip("\n")
   if ss != sgt:
+    dat = next(md.disasm(uc.mem_read(address, size), address))
+    print(dat)
     print(colored(ss, 'green'))
     print(colored(sgt, 'red'))
     os._exit(0)
   else:
+    if step % 1000 == 0:
       print(ss)
-  print(dat)
 
   step += 1