tools/litex_client: Add --binary argument to display values in binary.

Useful in some case to avoid decoding hexa manually.

litex/tools/litex_client.py

@@ -119,13 +119,17 @@ def dump_identifier(host, csr_csv, port):
 
     bus.close()
 
-def dump_registers(host, csr_csv, port, filter=None):
+def dump_registers(host, csr_csv, port, filter=None, binary=False):
     bus = RemoteClient(host=host, csr_csv=csr_csv, port=port)
     bus.open()
 
     for name, register in bus.regs.__dict__.items():
         if (filter is None) or filter in name:
-            print("0x{:08x} : 0x{:08x} {}".format(register.addr, register.read(), name))
+            register_value = {
+                True  : f"{register.read():032b}",
+                False : f"{register.read():08x}",
+            }[binary]
+            print("0x{:08x} : 0x{} {}".format(register.addr, register_value, name))
 
     bus.close()
 
@@ -360,6 +364,7 @@ def main():
     parser.add_argument("--port",    default="1234",        help="Host bind port.")
     parser.add_argument("--ident",   action="store_true",   help="Dump SoC identifier.")
     parser.add_argument("--regs",    action="store_true",   help="Dump SoC registers.")
+    parser.add_argument("--binary",  action="store_true",   help="Use binary format for displayed values.")
     parser.add_argument("--filter",  default=None,          help="Registers filter (to be used with --regs).")
     parser.add_argument("--read",    default=None,          help="Do a MMAP Read to SoC bus (--read addr/reg).")
     parser.add_argument("--write",   default=None, nargs=2, help="Do a MMAP Write to SoC bus (--write addr/reg data).")
@@ -384,6 +389,7 @@ def main():
             csr_csv = csr_csv,
             port    = port,
             filter  = args.filter,
+            binary  = args.binary,
         )
 
     if args.read: