chore(cocotb): move toplevel simulation core to python/cocotbext/ndk_core

Author: martinspinler

apps/minimal/tests/cocotb/cocotb_grpc.py

@@ -13,7 +13,7 @@
 import scapy.volatile
 import scapy.contrib.mpls
 
-from ndk_core import NFBDevice
+from cocotbext.ndk_core import NFBDevice
 
 import cocotbext.ofm.utils.sim.modelsim as ms
 import cocotb.utils

apps/minimal/tests/cocotb/cocotb_test.py

@@ -8,7 +8,7 @@
 import cocotb
 from cocotb.triggers import Timer
 
-from ndk_core import NFBDevice
+from cocotbext.ndk_core import NFBDevice
 
 import cocotbext.ofm.utils.sim.modelsim as ms
 import cocotb.utils

apps/minimal/tests/cocotb/cocotb_test_throughput.py

@@ -14,7 +14,7 @@
 import itertools
 from cocotb.triggers import Timer, Event, First, RisingEdge
 
-from ndk_core import NFBDevice
+from cocotbext.ndk_core import NFBDevice
 
 import cocotbext.ofm.utils.sim.modelsim as ms
 import cocotb.utils

apps/minimal/tests/cocotb/issues/issue1.py

@@ -11,7 +11,7 @@
 from cocotbext.ofm.utils.sim.bus import MfbBus, DmaDownMvbBus
 from cocotbext.ofm.utils.scapy import simple_tcp_bytes
 
-from ndk_core import NFBDevice
+from cocotbext.ndk_core import NFBDevice
 
 print = ms.print
 

apps/minimal/tests/cocotb/issues/issue2.py

@@ -9,7 +9,7 @@
 
 from cocotbext.ofm.utils.sim.bus import MiBus
 
-from ndk_core import NFBDevice
+from cocotbext.ndk_core import NFBDevice
 
 print = ms.print
 

core/common.inc.tcl

@@ -32,11 +32,6 @@ lappend HIERARCHY(PACKAGES) [nb_generate_file_register_userpkg "combo_user_const
 # Let generate DevTree.vhd and add it to project
 lappend HIERARCHY(PACKAGES) [nb_generate_file_register_devtree]
 
-# For cocotb run, append runtime environment to system path
-if {![info exists env(PYTHONPATH)] || [string first "$CORE_BASE/cocotb" $env(PYTHONPATH)] == -1} {
-    append env(PYTHONPATH) ":$CORE_BASE/cocotb"
-}
-
 # ----- Default target: synthesis of the project ------------------------------
 proc target_default {} {
     global SYNTH_FLAGS HIERARCHY