diff mbox series

[PULL,20/28] linux-user/sparc: Handle division by zero traps

Message ID 20230310220927.326606-21-laurent@vivier.eu
State Accepted
Commit 0908007f76bd3af297e6abdf6edb83a18b0938e0
Headers show
Series None | expand

Commit Message

Laurent Vivier March 10, 2023, 10:09 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

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 | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index c14eaea16370..e04c84286769 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -211,6 +211,11 @@  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 */