ebreak now generates BREAKPOINT

src/cpu/rv32cpu.c

@@ -5,6 +5,7 @@
 
 #include "memory/memory.h"
 #include "vriscv.h"
+#include "exception.h"
 
 #include <stdlib.h>
 #include <stdio.h>
@@ -515,10 +516,8 @@ static void cpu_execute(rv32_cpu_t* cpu, instruction_t* instruction)
 							sbi_call(cpu, cpu->regs.a7, cpu->regs.a6);
 							break;
 						case IMM_EBREAK:
-							// EBREAK : on debug, give back hand to debugger ; without debug, end simulation
-							// In any way, we set back simulation ticks to 0
-							cpu->sim_ticks_left = 1;
-							cpu->pc -= 4;
+							// EBREAK : generate a breakpoint exception
+							exception_trigger(cpu, SCAUSE_BREAKPOINT);
 							break;
 						case IMM_SRET:
 							fprintf(stderr, "SRET: We don't support that.\n");