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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id l2sm3206741iln.50.2021.11.04.07.06.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Nov 2021 07:06:14 -0700 (PDT) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH v3 08/29] bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions Date: Thu, 4 Nov 2021 08:05:15 -0600 Message-Id: <20211104140536.42573-9-imp@bsdimp.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211104140536.42573-1-imp@bsdimp.com> References: <20211104140536.42573-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=2607:f8b0:4864:20::d2c; envelope-from=imp@bsdimp.com; helo=mail-io1-xd2c.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=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: , Cc: Stacey Son , qemu-trivial@nongnu.org, Kyle Evans , Michael Tokarev , Laurent Vivier , Philippe Mathieu-Daude , Richard Henderson , Olivier Houchard , Warner Losh Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Implement EXCP_PREFETCH_ABORT AND EXCP_DATA_ABORT. Both of these data exceptions cause a SIGSEGV. Signed-off-by: Kyle Evans Signed-off-by: Olivier Houchard Signed-off-by: Stacey Son Signed-off-by: Warner Losh Reviewed-by: Kyle Evans Reviewed-by: Richard Henderson --- bsd-user/arm/target_arch_cpu.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h index 9f9b380b13..905a5ffaff 100644 --- a/bsd-user/arm/target_arch_cpu.h +++ b/bsd-user/arm/target_arch_cpu.h @@ -65,6 +65,17 @@ static inline void target_cpu_loop(CPUARMState *env) case EXCP_INTERRUPT: /* just indicate that signals should be handled asap */ break; + case EXCP_PREFETCH_ABORT: + /* See arm/arm/trap.c prefetch_abort_handler() */ + case EXCP_DATA_ABORT: + /* See arm/arm/trap.c data_abort_handler() */ + info.si_signo = TARGET_SIGSEGV; + info.si_errno = 0; + /* XXX: check env->error_code */ + info.si_code = 0; + info.si_addr = env->exception.vaddress; + queue_signal(env, info.si_signo, &info); + break; case EXCP_DEBUG: { -- 2.33.0