tools/litex_client/RemoteClient: add base_address parameter.

Useful when address translation is done in the SoC.

diff --git a/litex/tools/litex_client.py b/litex/tools/litex_client.py
index 976220a920da3b257efe7a7724b668518ad22617..79bef180dcb9448a807cf4d4dcde4d6092ceea4c 100644 (file)
--- a/litex/tools/litex_client.py
+++ b/litex/tools/litex_client.py
@@ -11,14 +11,15 @@ from litex.tools.remote.csr_builder import CSRBuilder
 
 
 class RemoteClient(EtherboneIPC, CSRBuilder):
-    def __init__(self, host="localhost", port=1234, csr_csv="csr.csv", csr_data_width=None, debug=False):
+    def __init__(self, host="localhost", port=1234, base_address=0, csr_csv="csr.csv", csr_data_width=None, debug=False):
         if csr_csv is not None:
             CSRBuilder.__init__(self, self, csr_csv, csr_data_width)
         else:
             assert csr_data_width is not None
-        self.host = host
-        self.port = port
-        self.debug = debug
+        self.host         = host
+        self.port         = port
+        self.base_address = base_address
+        self.debug        = debug
 
     def open(self):
         if hasattr(self, "socket"):
@@ -36,7 +37,7 @@ class RemoteClient(EtherboneIPC, CSRBuilder):
         length_int = 1 if length is None else length
         # prepare packet
         record = EtherboneRecord()
-        record.reads = EtherboneReads(addrs=[addr + 4*j for j in range(length_int)])
+        record.reads = EtherboneReads(addrs=[self.base_address + addr + 4*j for j in range(length_int)])
         record.rcount = len(record.reads)
 
         # send packet
@@ -51,13 +52,13 @@ class RemoteClient(EtherboneIPC, CSRBuilder):
         datas = packet.records.pop().writes.get_datas()
         if self.debug:
             for i, data in enumerate(datas):
-                print("read {:08x} @ {:08x}".format(data, addr + 4*i))
+                print("read {:08x} @ {:08x}".format(data, self.base_address + addr + 4*i))
         return datas[0] if length is None else datas
 
     def write(self, addr, datas):
         datas = datas if isinstance(datas, list) else [datas]
         record = EtherboneRecord()
-        record.writes = EtherboneWrites(base_addr=addr, datas=[d for d in datas])
+        record.writes = EtherboneWrites(base_addr=self.base_address + addr, datas=[d for d in datas])
         record.wcount = len(record.writes)
 
         packet = EtherbonePacket()
@@ -67,4 +68,4 @@ class RemoteClient(EtherboneIPC, CSRBuilder):
 
         if self.debug:
             for i, data in enumerate(datas):
-                print("write {:08x} @ {:08x}".format(data, addr + 4*i))
+                print("write {:08x} @ {:08x}".format(data, self.base_address + addr + 4*i))