Refactor CPU mutex code

src/gdbstub/gdbstub.c

@@ -203,7 +203,7 @@ void gdbstub_thread_gdb()
 			char resp[32 * 8 + 8 + 1] = {0};
 
 			// Obtain CPU0 mutex
-			pthread_mutex_lock(&cpu0_mutex);
+			pthread_mutex_lock(&cpu0->mutex);
 
 			// All general purpose registers in host byte order as chars
 			for(size_t i = 0; i < 32; i++)
@@ -217,7 +217,7 @@ void gdbstub_thread_gdb()
 			snprintf(resp + 32 * 8, 9, "%08x", pc);
 
 			// Let go of CPU0 mutex
-			pthread_mutex_unlock(&cpu0_mutex);
+			pthread_mutex_unlock(&cpu0->mutex);
 
 			// Final packet size, send packet
 			size_t size = 32 * 8 + 8;
@@ -228,7 +228,7 @@ void gdbstub_thread_gdb()
 			// G : write all registers -> read and set all registers
 
 			// Obtain CPU0 mutex
-			pthread_mutex_lock(&cpu0_mutex);
+			pthread_mutex_lock(&cpu0->mutex);
 
 			// All general purpose registers in host byte order as chars
 			for(size_t i = 1; i < 32; i++)
@@ -247,7 +247,7 @@ void gdbstub_thread_gdb()
 			cpu0->pc = pc;
 
 			// Let go of CPU0 Mutex
-			pthread_mutex_unlock(&cpu0_mutex);
+			pthread_mutex_unlock(&cpu0->mutex);
 
 			gdbstub_send_packet("OK", 2);
 		}
@@ -296,9 +296,9 @@ void gdbstub_thread_gdb()
 			send(gdb_socket, "+", 1, 0);
 
 			// Continue simulation, for 1 tick
-			pthread_mutex_lock(&cpu0_mutex);
+			pthread_mutex_lock(&cpu0->mutex);
 			cpu0->sim_ticks_left = 1;
-			pthread_mutex_unlock(&cpu0_mutex);
+			pthread_mutex_unlock(&cpu0->mutex);
 			pthread_cond_signal(&cpu0->sim_condition);
 		}
 		else if(packet[0] == 'c')
@@ -309,9 +309,9 @@ void gdbstub_thread_gdb()
 			send(gdb_socket, "+", 1, 0);
 
 			// Continue simulation
-			pthread_mutex_lock(&cpu0_mutex);
+			pthread_mutex_lock(&cpu0->mutex);
 			cpu0->sim_ticks_left = -1;
-			pthread_mutex_unlock(&cpu0_mutex);
+			pthread_mutex_unlock(&cpu0->mutex);
 			pthread_cond_signal(&cpu0->sim_condition);
 		}
 		else gdbstub_send_unsupported();
@@ -322,8 +322,8 @@ void gdbstub_cpu_watcher_thread()
 {
 	while(1)
 	{
-		pthread_mutex_lock(&cpu0_mutex);
-		pthread_cond_wait(&cpu0->sim_condition, &cpu0_mutex);
+		pthread_mutex_lock(&cpu0->mutex);
+		pthread_cond_wait(&cpu0->sim_condition, &cpu0->mutex);
 		if(!cpu0->sim_ticks_left && cpu0->sim_ticks_done > 0)
 		{
 			// Send back halt reason
@@ -331,7 +331,7 @@ void gdbstub_cpu_watcher_thread()
 			char* resp = "S05";
 			gdbstub_send_packet(resp, 3);
 		}
-		pthread_mutex_unlock(&cpu0_mutex);
+		pthread_mutex_unlock(&cpu0->mutex);
 	}
 }
 
@@ -342,7 +342,7 @@ void gdbstub_cpu_watcher_thread()
 static void gdbstub_handle_ctrlc()
 {
 	// Halt the simulation
-	pthread_mutex_lock(&cpu0_mutex);
+	pthread_mutex_lock(&cpu0->mutex);
 	cpu0->sim_ticks_left = 0;
-	pthread_mutex_unlock(&cpu0_mutex);
+	pthread_mutex_unlock(&cpu0->mutex);
 }