[PATCH 07/14] linux-user/sparc: Handle division by zero traps

Richard Henderson posted 14 patches 1 year, 3 months ago
There is a newer version of this series
[PATCH 07/14] linux-user/sparc: Handle division by zero traps
Posted by Richard Henderson 1 year, 3 months ago
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>
---
 linux-user/sparc/cpu_loop.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index 573d97c60b..398418174f 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -215,6 +215,11 @@ void cpu_loop (CPUSPARCState *env)
             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 */
-- 
2.34.1