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Thu, 4 Sep 2025 22:47:23 +0200 (CEST) Received: (qmail 32710 invoked by uid 990); 4 Sep 2025 20:47:23 -0000 Received: from unknown (HELO unkown) (::1) by skiff.uberspace.de (Haraka/3.0.1) with ESMTPSA; Thu, 04 Sep 2025 22:47:23 +0200 Authentication-Results: skiff.uberspace.de; auth=pass (plain) From: Julian Ganz To: qemu-devel@nongnu.org Cc: Julian Ganz , Stafford Horne Subject: [PATCH v6 14/25] target/openrisc: call plugin trap callbacks Date: Thu, 4 Sep 2025 22:46:51 +0200 Message-ID: X-Mailer: git-send-email 2.49.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Rspamd-Bar: ----- X-Rspamd-Report: REPLY(-4) BAYES_HAM(-2.990486) MID_CONTAINS_FROM(1) MIME_GOOD(-0.1) R_MISSING_CHARSET(0.5) X-Rspamd-Score: -5.590486 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nut.email; s=uberspace; h=from:to:cc:subject:date; bh=6By6W6p63fDAcZVupcavoMH8cQUKrNcCRvR5J3edyUo=; b=rBBYsB3eGh7DnQnVBzg45QkevES8TeWdPcAXgHQ960/tKcX3V/zjHM/YGBjiyL5bA9hNrgSRMi tHnumaVMwBjQLgGwWaMu0YGYyuebDrHuba/Cs6qpZ3n6owlHGfgmPPlqc+zOKCcygfFzWII8//cM AmmKY5NM66L2YjO3ohnTFZGfUaU+mieC/EHo/97pw6Df5w7OEsmwHAZi+kqjK7PIQ/+v8oYxgQGt zNNliqmRqA+ReBTFo7AsF8ZiAKtHTqDj2ohOsPNfiHwiFMCAsz6X9IH1UZHrpxmgwUIQkg2yg4vV nzYDE0p/6m+HwPpDcC8a/PQCFKxdxzenlKnwgpdPGmYNPbPu0yYxO/XlUKzJ1R1HG54I2w5uQ9F+ IUk0GinqjkhFuMzF8rJ2Pj61QXRaY1Xme1acs4AsBEZv2tEBuFaWa7K4VFBnFMledMywRkbJY4v7 Ioxm0jtEr3DZCQ1qPzrjqO86rZJunf4kdq8uSwbANovmpYOfTlazvMeaRVjDFHKQ9nJO5Noqe7mk 7j2aEEW6QarqXCcDZjRf75/BO2WdWdzCchx2PRzGw75UtAlqIKG/URPoFyo7/K2xZjXIdcQx6W2T foHOgBPt1tZxAlF1yYkiZRIN+gHcsqCR6sIQyFZvENYE312GnllcZhwcWGO9qFy5Dbnf3v2ivQ7G M= 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=2001:1a50:11:0:c83f:a8ff:fea6:c8da; envelope-from=neither@nut.email; helo=mailgate01.uberspace.is X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, 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 @nut.email) X-ZM-MESSAGEID: 1757018962691124100 Content-Type: text/plain; charset="utf-8" We recently introduced API for registering callbacks for trap related events as well as the corresponding hook functions. Due to differences between architectures, the latter need to be called from target specific code. This change places hooks for OpenRISC targets. We treat anything other than resets, timer and device interrupts as exceptions. Signed-off-by: Julian Ganz --- target/openrisc/interrupt.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/target/openrisc/interrupt.c b/target/openrisc/interrupt.c index 486823094c..d357aaa7da 100644 --- a/target/openrisc/interrupt.c +++ b/target/openrisc/interrupt.c @@ -25,11 +25,13 @@ #ifndef CONFIG_USER_ONLY #include "hw/loader.h" #endif +#include "qemu/plugin.h" =20 void openrisc_cpu_do_interrupt(CPUState *cs) { CPUOpenRISCState *env =3D cpu_env(cs); int exception =3D cs->exception_index; + uint64_t last_pc =3D env->pc; =20 env->epcr =3D env->pc; =20 @@ -98,6 +100,19 @@ void openrisc_cpu_do_interrupt(CPUState *cs) cpu_abort(cs, "Unhandled exception 0x%x\n", exception); } =20 + switch (exception) { + case EXCP_RESET: + /* Resets are already exposed to plugins through a dedicated callb= ack */ + break; + case EXCP_TICK: + case EXCP_INT: + qemu_plugin_vcpu_interrupt_cb(cs, last_pc); + break; + default: + qemu_plugin_vcpu_exception_cb(cs, last_pc); + break; + } + cs->exception_index =3D -1; } =20 --=20 2.49.1