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linux-user/sparc: Handle division by zero traps

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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>
This commit is contained in:
Richard Henderson 2023-02-15 19:45:09 -10:00 • committed by Laurent Vivier
parent 52d104a5a5
commit 0908007f76
1 changed files with 5 additions and 0 deletions
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5
linux-user/sparc/cpu_loop.c
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@ -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 */