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Fri, 28 Feb 2025 21:27:13 -0800 (PST) X-Google-Smtp-Source: AGHT+IFfxPbHm1gzTjRh96TZN9poL6wGCZhnOCiDJN0IqckRtr3z1oaMtx9e10A28PXqHay3wKEPjw== X-Received: by 2002:a17:90b:38c2:b0:2fa:e9b:33b8 with SMTP id 98e67ed59e1d1-2febab78775mr11336829a91.18.1740806833265; Fri, 28 Feb 2025 21:27:13 -0800 (PST) From: Brian Cain To: qemu-devel@nongnu.org Cc: brian.cain@oss.qualcomm.com, richard.henderson@linaro.org, philmd@linaro.org, quic_mathbern@quicinc.com, ale@rev.ng, anjo@rev.ng, quic_mliebel@quicinc.com, ltaylorsimpson@gmail.com, alex.bennee@linaro.org, quic_mburton@quicinc.com, sidneym@quicinc.com, Brian Cain Subject: [PATCH 20/38] target/hexagon: Implement do_raise_exception() Date: Fri, 28 Feb 2025 21:26:10 -0800 Message-Id: <20250301052628.1011210-21-brian.cain@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250301052628.1011210-1-brian.cain@oss.qualcomm.com> References: <20250301052628.1011210-1-brian.cain@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: 728urQE7J46jMJ-lC7zdS3A7obCAlBOs X-Proofpoint-GUID: 728urQE7J46jMJ-lC7zdS3A7obCAlBOs X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-01_01,2025-02-28_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 impostorscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 priorityscore=1501 mlxlogscore=818 mlxscore=0 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2502100000 definitions=main-2503010039 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=brian.cain@oss.qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1740806892540019000 From: Brian Cain Signed-off-by: Brian Cain --- target/hexagon/internal.h | 5 +++++ target/hexagon/op_helper.c | 20 ++++++++++++++++++++ 2 files changed, 25 insertions(+) diff --git a/target/hexagon/internal.h b/target/hexagon/internal.h index 9658141316..7cf7bcaa6c 100644 --- a/target/hexagon/internal.h +++ b/target/hexagon/internal.h @@ -31,6 +31,11 @@ void hexagon_debug(CPUHexagonState *env); =20 extern const char * const hexagon_regnames[TOTAL_PER_THREAD_REGS]; =20 +void G_NORETURN do_raise_exception(CPUHexagonState *env, + uint32_t exception, + target_ulong PC, + uintptr_t retaddr); + #ifndef CONFIG_USER_ONLY extern const VMStateDescription vmstate_hexagon_cpu; #endif diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c index ccd806836c..1aa5b32b1f 100644 --- a/target/hexagon/op_helper.c +++ b/target/hexagon/op_helper.c @@ -37,6 +37,26 @@ #define SF_MANTBITS 23 =20 /* Exceptions processing helpers */ +G_NORETURN +void do_raise_exception(CPUHexagonState *env, uint32_t exception, + target_ulong PC, uintptr_t retaddr) +{ + CPUState *cs =3D env_cpu(env); +#ifdef CONFIG_USER_ONLY + qemu_log_mask(CPU_LOG_INT, "%s: 0x%08x\n", __func__, exception); +#else + qemu_log_mask(CPU_LOG_INT, "%s: 0x%08x, @ %08" PRIx32 "\n", + __func__, exception, PC); + + ASSERT_DIRECT_TO_GUEST_UNSET(env, exception); +#endif + + env->gpr[HEX_REG_PC] =3D PC; + cs->exception_index =3D exception; + cpu_loop_exit_restore(cs, retaddr); + cs->halted =3D false; +} + G_NORETURN void hexagon_raise_exception_err(CPUHexagonState *env, uint32_t exception, uintptr_t pc) --=20 2.34.1