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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e25b04883sm2363770f8f.0.2026.10.20.20.18.29 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 20 Oct 2026 20:18:30 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, qemu-riscv@nongnu.org, qemu-arm@nongnu.org, qemu-s390x@nongnu.org, Pierrick Bouvier Subject: [PATCH v2 33/33] target/xtensa: Implement and register CPUClass::exception_name() Date: Wed, 21 Oct 2026 05:14:06 +0200 Message-ID: <20261021031407.24862-34-philmd@oss.qualcomm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20261021031407.24862-1-philmd@oss.qualcomm.com> References: <20261021031407.24862-1-philmd@oss.qualcomm.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIxMDAxMiBTYWx0ZWRfX9gyi+nIc+zVX WXmzrQpVr55K1iAL+yhnGZB8W1thoUfJYo8qBEzxWKFrrgqaJjBS82vxJf7ivJ9z6TI93FjbAW3 4ydJy+dMbGcUf+QanUDYFHy1JNd/qyUlWsCYcQafHnZ/RC9vFtSGbIRhV0SBj0UpVaRwH9cTZLu P4jXFhiIh/lGxhTWfp/oRTzPiDDVRlWGQJCRuH68h46xwQ66LrF8YSVPM+c1fFjnMD9l2G5xOcv 299ZSCaa4A86sFQIXNJ/xs4wKC1ZPb058MrvCDAEfeySmvu5tJT5e09U4dpqys6FcVUb5UnV9Rg Wmki4e2CrdImJ7zeX5Zg52cirskowkkdsOZffv3g3n0LmrEmVBR/4nnDnav2DKZKe/y+fs7n0hD cvQRLrtfJvcstWH66TgRCff+yfOun4y+OlTuZyGX6OH7O0hC0oMWCUF2k0xmDbhqEIhKpVHAf3N xnMuhNYysL/SeD5HzTQ== X-Proofpoint-GUID: NuMhTjnW-CQa6vKcBmyzLVpXArT_iYTK X-Proofpoint-ORIG-GUID: NuMhTjnW-CQa6vKcBmyzLVpXArT_iYTK X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIxMDAxMiBTYWx0ZWRfX1aje5Zz4+Hfu lVCiGiApZA/Lo6o8ftPxS0CM1gJoWeBz88ydhMyttr0BhfHkc25LRwTUXMnTzZnjnM82EHzH5/N NF+CESo8pS6hVmGldMZI5cFW5ri4ZIU= X-Authority-Analysis: v=2.4 cv=HrTjiETS c=1 sm=1 tr=0 ts=6ad82f08 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=-R6i_BgWeFa1qxdD66wA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-21_01,2026-10-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 impostorscore=0 suspectscore=0 bulkscore=0 adultscore=0 priorityscore=1501 spamscore=0 malwarescore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610210012 Received-SPF: pass client-ip=205.220.180.131; envelope-from=philmd@oss.qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -2 X-Spam_score: -0.3 X-Spam_bar: / X-Spam_report: (-0.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, SUSPICIOUS_RECIPS=2.51 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Implement xtensa_exception_name() and register it as the CPUClass::exception_name() handler, so the common exception logging can resolve Xtensa exception codes to names. Use the new helper in xtensa_cpu_do_interrupt(). Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Pierrick Bouvier --- target/xtensa/cpu.h | 2 ++ target/xtensa/cpu.c | 23 +++++++++++++++++++++++ target/xtensa/exc_helper.c | 3 ++- 3 files changed, 27 insertions(+), 1 deletion(-) diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h index 49d6ad9083d..3440c27862b 100644 --- a/target/xtensa/cpu.h +++ b/target/xtensa/cpu.h @@ -262,6 +262,8 @@ enum { EXC_MAX }; +const char *xtensa_exception_name(int excp); + enum { ILLEGAL_INSTRUCTION_CAUSE = 0, SYSCALL_CAUSE, diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c index 7c25b9ab707..1f9cb7156be 100644 --- a/target/xtensa/cpu.c +++ b/target/xtensa/cpu.c @@ -239,6 +239,28 @@ static void xtensa_cpu_disas_set_info(const CPUState *cs, : BFD_ENDIAN_LITTLE; } +const char *xtensa_exception_name(int excp) +{ + static const char * const excp_names[] = { + [EXC_RESET0] = "reset", + [EXC_RESET1] = "reset", + [EXC_MEMORY_ERROR] = "memory error", + [EXC_WINDOW_OVERFLOW4] = "window overflow", + [EXC_WINDOW_UNDERFLOW4] = "window underflow", + [EXC_WINDOW_OVERFLOW8] = "window overflow", + [EXC_WINDOW_UNDERFLOW8] = "window underflow", + [EXC_WINDOW_OVERFLOW12] = "window overflow", + [EXC_WINDOW_UNDERFLOW12] = "window underflow", + [EXC_IRQ] = "interrupt", + [EXC_KERNEL] = "kernel", + [EXC_USER] = "user", + [EXC_DOUBLE] = "double", + [EXC_DEBUG] = "debug", + }; + + return ARRAY_ELEM_OR_NULL(excp_names, excp) ?: "unknown"; +} + static void xtensa_cpu_realizefn(DeviceState *dev, Error **errp) { CPUState *cs = CPU(dev); @@ -348,6 +370,7 @@ static void xtensa_cpu_class_init(ObjectClass *oc, const void *data) &xcc->parent_phases); cc->class_by_name = xtensa_cpu_class_by_name; + cc->exception_name = xtensa_exception_name; cc->dump_state = xtensa_cpu_dump_state; cc->set_pc = xtensa_cpu_set_pc; cc->get_pc = xtensa_cpu_get_pc; diff --git a/target/xtensa/exc_helper.c b/target/xtensa/exc_helper.c index 7cb67d179a8..ff71e5d6462 100644 --- a/target/xtensa/exc_helper.c +++ b/target/xtensa/exc_helper.c @@ -236,9 +236,10 @@ void xtensa_cpu_do_interrupt(CPUState *cs) case EXC_USER: case EXC_DOUBLE: case EXC_DEBUG: - qemu_log_mask(CPU_LOG_INT, "%s(%d) " + qemu_log_mask(CPU_LOG_INT, "%s(%d:%s) " "pc = %08x, a0 = %08x, ps = %08x, ccount = %08x\n", __func__, cs->exception_index, + xtensa_exception_name(cs->exception_index), env->pc, env->regs[0], env->sregs[PS], env->sregs[CCOUNT]); if (env->config->exception_vector[cs->exception_index]) { -- 2.55.0