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Wed, 1 Feb 2023 00:46:17 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , =?utf-8?q?Alex_Benn?= =?utf-8?q?=C3=A9e?= Cc: Christian Borntraeger , qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH 3/4] linux-user/sparc: Handle "ta 5" Date: Wed, 1 Feb 2023 01:46:08 +0100 Message-Id: <20230201004609.3005029-4-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230201004609.3005029-1-iii@linux.ibm.com> References: <20230201004609.3005029-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: OIKzlPvKJGGAFKMs6Wuq8jJUgWJTBQQ4 X-Proofpoint-GUID: OIKzlPvKJGGAFKMs6Wuq8jJUgWJTBQQ4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-31_08,2023-01-31_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 bulkscore=0 mlxscore=0 suspectscore=0 phishscore=0 spamscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 adultscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302010003 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org GCC lowers __builtin_trap() to "ta 5", which in turn generates trap 0x105. Follow what kernel's bad_trap() is doing there. Signed-off-by: Ilya Leoshkevich --- linux-user/sparc/cpu_loop.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c index 434c90a55f8..fa36d452a51 100644 --- a/linux-user/sparc/cpu_loop.c +++ b/linux-user/sparc/cpu_loop.c @@ -225,6 +225,9 @@ void cpu_loop (CPUSPARCState *env) restore_window(env); break; #ifndef TARGET_ABI32 + case 0x105: + force_sig_fault(TARGET_SIGILL, ILL_ILLTRP, env->pc); + break; case 0x16e: flush_windows(env); sparc64_get_context(env);