corrects disass logging of Interrupts and Traps

since the spec allows custom interrupts there was the case that the strings were nonsense as no bounds where checked when indexing into the array of strings

Author: EAlexJ

src/iss/arch/riscv_hart_m_p.h

@@ -463,11 +463,13 @@ template <typename BASE, features_e FEAT> uint64_t riscv_hart_m_p<BASE, FEAT>::e
 #endif
     if((flags & 0xffffffff) != 0xffffffff) {
         if(trap_id) {
+            auto irq_str = cause < this->irq_str.size() ? this->irq_str.at(cause) : "Unknown";
             ILOG(disasslogger, logging::DEBUG,
-                 fmt::format("Interrupt with cause '{}' ({}) occurred  at address {}", this->irq_str[cause], cause, buffer.data()));
+                 fmt::format("Interrupt with cause '{}' ({}) occurred  at address {}", irq_str, cause, buffer.data()));
         } else {
+            auto irq_str = cause < this->trap_str.size() ? this->trap_str.at(cause) : "Unknown";
             ILOG(disasslogger, logging::DEBUG,
-                 fmt::format("Trap with cause '{}' ({}) occurred  at address {}", this->trap_str[cause], cause, buffer.data()));
+                 fmt::format("Trap with cause '{}' ({}) occurred  at address {}", irq_str, cause, buffer.data()));
         }
     }
     // reset trap state

src/iss/arch/riscv_hart_msu_vp.h

@@ -635,11 +635,13 @@ uint64_t riscv_hart_msu_vp<BASE, FEAT>::enter_trap(uint64_t flags, uint64_t addr
 #endif
     if((flags & 0xffffffff) != 0xffffffff) {
         if(trap_id) {
+            auto irq_str = cause < this->irq_str.size() ? this->irq_str.at(cause) : "Unknown";
             ILOG(disasslogger, logging::DEBUG,
-                 fmt::format("Interrupt with cause '{}' ({}) occurred  at address {}", this->irq_str[cause], cause, buffer.data()));
+                 fmt::format("Interrupt with cause '{}' ({}) occurred  at address {}", irq_str, cause, buffer.data()));
         } else {
+            auto irq_str = cause < this->trap_str.size() ? this->trap_str.at(cause) : "Unknown";
             ILOG(disasslogger, logging::DEBUG,
-                 fmt::format("Trap with cause '{}' ({}) occurred  at address {}", this->trap_str[cause], cause, buffer.data()));
+                 fmt::format("Trap with cause '{}' ({}) occurred  at address {}", irq_str, cause, buffer.data()));
         }
     }
     // reset trap this->state

src/iss/arch/riscv_hart_mu_p.h

@@ -508,11 +508,13 @@ template <typename BASE, features_e FEAT> uint64_t riscv_hart_mu_p<BASE, FEAT>::
 #endif
     if((flags & 0xffffffff) != 0xffffffff) {
         if(trap_id) {
+            auto irq_str = cause < this->irq_str.size() ? this->irq_str.at(cause) : "Unknown";
             ILOG(disasslogger, logging::DEBUG,
-                 fmt::format("Interrupt with cause '{}' ({}) occurred  at address {}", this->irq_str[cause], cause, buffer.data()));
+                 fmt::format("Interrupt with cause '{}' ({}) occurred  at address {}", irq_str, cause, buffer.data()));
         } else {
+            auto irq_str = cause < this->trap_str.size() ? this->trap_str.at(cause) : "Unknown";
             ILOG(disasslogger, logging::DEBUG,
-                 fmt::format("Trap with cause '{}' ({}) occurred  at address {}", this->trap_str[cause], cause, buffer.data()));
+                 fmt::format("Trap with cause '{}' ({}) occurred  at address {}", irq_str, cause, buffer.data()));
         }
     }
     // reset trap state