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b=A0Ywkj7+2+gJ6+fxsgzjMQJvIHOiPn4zs/F37J+l2CzM2UnISoQanle/qO+T+ee/Ivs2 ICJqzlmM7L8A0sr8DMhViWn+akmYB7uUIVkrO1c/BBZttVx+DYy4Fd2LwlYLB7sLEpKB lAXlIp7g4Tl5FUWhdEP89J8zBV5wNh/T7zBEJSqIWubne6L8a1hsBm3ak2WA3R2OShkt dNiKcezrKMommwQL1Yn0sMGwWK7+UTq71Gs+vDLGx5XFY5Fp1r03gHQDr9Z973ebRINk sOJdjKXINfByKWTwhg47r84heHGPzWBCZC1dRDasunj8m21MeAemCXpHbR7GqzE9ElsK Vw== From: Ilya Leoshkevich To: Richard Henderson , Paolo Bonzini , Eduardo Habkost , Marcel Apfelbaum , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Yanan Wang , Laurent Vivier , =?UTF-8?q?Alex=20Benn=C3=A9e?= Cc: qemu-devel@nongnu.org, Christian Borntraeger , Ilya Leoshkevich Subject: [PATCH v2 3/4] linux-user/microblaze: Handle privileged exception Date: Mon, 13 Feb 2023 13:52:36 +0100 Message-Id: <20230213125238.331881-4-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230213125238.331881-1-iii@linux.ibm.com> References: <20230213125238.331881-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: zlS81HMwsT3cc6WY4tcL-puyEzz4vug4 X-Proofpoint-ORIG-GUID: BReEvzEsf_7bGROUnVWGsi2wQv1ipTyM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.170.22 definitions=2023-02-13_07,2023-02-13_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=999 malwarescore=0 suspectscore=0 phishscore=0 lowpriorityscore=0 mlxscore=0 clxscore=1015 spamscore=0 adultscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302130112 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=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0a-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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1676292806660100001 Content-Type: text/plain; charset="utf-8" Follow what kernel's full_exception() is doing. Signed-off-by: Ilya Leoshkevich Reviewed-by: Richard Henderson --- linux-user/microblaze/cpu_loop.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/linux-user/microblaze/cpu_loop.c b/linux-user/microblaze/cpu_l= oop.c index 5ccf9e942ea..212e62d0a62 100644 --- a/linux-user/microblaze/cpu_loop.c +++ b/linux-user/microblaze/cpu_loop.c @@ -25,8 +25,8 @@ =20 void cpu_loop(CPUMBState *env) { + int trapnr, ret, si_code, sig; CPUState *cs =3D env_cpu(env); - int trapnr, ret, si_code; =20 while (1) { cpu_exec_start(cs); @@ -76,6 +76,7 @@ void cpu_loop(CPUMBState *env) env->iflags &=3D ~(IMM_FLAG | D_FLAG); switch (env->esr & 31) { case ESR_EC_DIVZERO: + sig =3D TARGET_SIGFPE; si_code =3D TARGET_FPE_INTDIV; break; case ESR_EC_FPU: @@ -84,6 +85,7 @@ void cpu_loop(CPUMBState *env) * if there's no recognized bit set. Possibly this * implies that si_code is 0, but follow the structure. */ + sig =3D TARGET_SIGFPE; si_code =3D env->fsr; if (si_code & FSR_IO) { si_code =3D TARGET_FPE_FLTINV; @@ -97,13 +99,17 @@ void cpu_loop(CPUMBState *env) si_code =3D TARGET_FPE_FLTRES; } break; + case ESR_EC_PRIVINSN: + sig =3D SIGILL; + si_code =3D ILL_PRVOPC; + break; default: fprintf(stderr, "Unhandled hw-exception: 0x%x\n", env->esr & ESR_EC_MASK); cpu_dump_state(cs, stderr, 0); exit(EXIT_FAILURE); } - force_sig_fault(TARGET_SIGFPE, si_code, env->pc); + force_sig_fault(sig, si_code, env->pc); break; =20 case EXCP_DEBUG: --=20 2.39.1