commit 0908007f76bd3af297e6abdf6edb83a18b0938e0
author Richard Henderson <richard.henderson@linaro.org> Wed Feb 15 19:45:09 2023 -1000
committer Laurent Vivier <laurent@vivier.eu> Fri Mar 10 20:45:47 2023 +0100
tree 0172fa12075c86535fb4aa664ba6128b57489c0a
parent 52d104a5a5eaf0440369c20757ff5d170fd0ebc2

linux-user/sparc: Handle division by zero traps

In addition to the hw trap vector, there is a software trap
assigned for older sparc without hw division instructions.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230216054516.1267305-9-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/sparc/cpu_loop.c

diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index c14eaea..e04c842 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -211,6 +211,11 @@
             force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc);
             break;
 
+        case TT_TRAP + 0x02: /* div0 */
+        case TT_DIV_ZERO:
+            force_sig_fault(TARGET_SIGFPE, TARGET_FPE_INTDIV, env->pc);
+            break;
+
         case TT_TRAP + 0x03: /* flush windows */
             flush_windows(env);
             /* next instruction */