Small Updates

Makefile

@@ -131,3 +131,4 @@ hemaia_system_vcs_preparation: # In SNAX Docker
 
 hemaia_system_vcs: # In ESAT Server
 	$(MAKE) -C ./target/sim_chip bin/occamy_chip.vcs
+# How to start the execution of the simulation: cd ./target/sim_chip/bin; ./occamy_chip.vcs -gui -R -fgp=num_threads:8

target/rtl/cfg/hemaia_chiplet.hjson

@@ -5,15 +5,15 @@
     remote_quadrants: [],
     // Multi-chip configuration
     hemaia_multichip: {
-      chip_id_width: 8, 
-      router_to_soc_iw: 6,
-      soc_to_router_iw: 4,
+      chip_id_width: 8,             // Not verified, should never be changed
+      router_to_soc_iw: 5,          // soc_to_router_iw + clog2(chips)
+      soc_to_router_iw: 4,          // Not beneficial for iw > 6
       single_chip: false,
-      single_chip_id: 0, 
-      testbench_cfg: {
-        // Emulate a four-chips configuration
+      single_chip_id: 0,            // Only used for single chip simulation
+      testbench_cfg: {              // The total number of homogeneous chips (x * y) on the virtual interposer
+        // Emulate a two-chips configuration
         upper_left_coordinate: [0, 0],
-        lower_right_coordinate: [1, 1]
+        lower_right_coordinate: [1, 0]
       }
     }
     addr_width: 48,

target/sim_chip/Makefile

@@ -166,7 +166,7 @@ CFG = $(TARGET_RTL)/cfg/lru.hjson
 
 OCCAMYGEN ?= $(ROOT)/util/occamygen/occamygen.py
 
-$(CFG):
+$(CFG): FORCE
 	@# If the LRU config file doesn't exist, we use the default config.
 	@if [ ! -e $@ ] ; then \
 		DEFAULT_CFG="$(TARGET_RTL)/cfg/hemaia.hjson"; \
@@ -179,7 +179,7 @@ $(CFG):
 		echo "Overriding config file with: $(CFG_OVERRIDE)"; \
 		cp $(CFG_OVERRIDE) $@; \
 	fi
-
+FORCE:
 
 testharness/testharness.sv: testharness/testharness.sv.tpl $(CFG)
 	@echo "[OCCAMYGEN] Generate $@"