sw: Change multicast CSR address write function

Author: Lore0599

hw/snitch_cluster/src/snitch_cluster.sv

@@ -621,7 +621,7 @@ module snitch_cluster
   };
 
   xbar_rule_t [5:0] dma_xbar_rules;
-  xbar_rule_t [DmaXbarCfg.NoAddrRules-1:0] enabled_dma_xbar_rule;
+  xbar_rule_t [DmaXbarCfg.NoAddrRules-1:0] enabled_dma_xbar_rule; // TODO(lleone): check if the NumAddrRules is okay for multicast
 
   assign dma_xbar_rules = '{
     '{idx: BootRom,    start_addr: BootRomAliasStart,      end_addr: BootRomAliasEnd},

sw/snRuntime/src/sync.h

@@ -314,4 +314,4 @@ inline void snrt_enable_multicast(uint32_t mask) { write_csr(0x7c4, mask); }
 /**
  * @brief Disable LSU multicast
  */
-inline void snrt_disable_multicast() { write_csr(0x7c3, 0); }
+inline void snrt_disable_multicast() { write_csr(0x7c4, 0); }