linux-user/sparc: Handle software breakpoint trap

This is 'ta 1' for both v9 and pre-v9.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230216054516.1267305-8-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/sparc/cpu_loop.c

@@ -206,6 +206,11 @@ void cpu_loop (CPUSPARCState *env)
             env->npc = env->npc + 4;
             break;
 
+        case TT_TRAP + 0x01: /* breakpoint */
+        case EXCP_DEBUG:
+            force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc);
+            break;
+
         case TT_TRAP + 0x03: /* flush windows */
             flush_windows(env);
             /* next instruction */
@@ -237,9 +242,6 @@ void cpu_loop (CPUSPARCState *env)
         case TT_ILL_INSN:
             force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPC, env->pc);
             break;
-        case EXCP_DEBUG:
-            force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc);
-            break;
         case EXCP_ATOMIC:
             cpu_exec_step_atomic(cs);
             break;