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Thu, 4 Sep 2025 22:47:22 +0200 (CEST) Received: (qmail 32639 invoked by uid 990); 4 Sep 2025 20:47:21 -0000 Received: from unknown (HELO unkown) (::1) by skiff.uberspace.de (Haraka/3.0.1) with ESMTPSA; Thu, 04 Sep 2025 22:47:21 +0200 Authentication-Results: skiff.uberspace.de; auth=pass (plain) From: Julian Ganz To: qemu-devel@nongnu.org Cc: Julian Ganz , Paolo Bonzini , Richard Henderson , Eduardo Habkost Subject: [PATCH v6 09/25] target/i386: call plugin trap callbacks Date: Thu, 4 Sep 2025 22:46:46 +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(-2.999953) MID_CONTAINS_FROM(1) MIME_GOOD(-0.1) R_MISSING_CHARSET(0.5) X-Rspamd-Score: -5.599953 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nut.email; s=uberspace; h=from:to:cc:subject:date; bh=MaaCC1NnIoEHqjPuoSE9U+Utg1hySXIwLbGxGZHEZrM=; b=bvA/QUl7Tu2r5XKDlQ4PbUbx88gu0jteGou7bxHH1lweutUra3WoaJuhByepqlsRMLDsRfd12E nMDydLFXsKH0qtd3KZoGpaJJnMDjRTjmOyK1KYUEtxmhxpMOfDsgjzuFNzPuB6frwdGJqGtKuG/V XclODK0J0pzGWaq92VOTj68pzIzU+cGVs4TPEuculuVPoXU/AeMDSTtsH9fvz4QDYXinFNsjoOEy yQovzYPMg7r6X44joHJx1uOESW6ZNTPWMRfFwlXJpPpHMmy/mgJuQGQAzUlUxoxaB6k8iU1dozOT Kxe6H7Mhl3JVCz/JbnQq9gBqMHR6rgC9/8xdIys3CspzbHPHJv2hfq9QhnnP1diQPUTv6eBO39EO dAmSfePjPU6uWrjxQhywwUM7CV1QyMjgri5yXfB5coaqa+ZKzfI117dVLosNFsf6HlhbH/6w4ogP ZEdw2nFY3WHJUPTQhGfJOPg68taNLtHYRfzCnOiY38oofJacZedcrTmJn36IriCVwcRR9FrnX+81 FW36n7ZioH2FoiOboIc1ZoO2VeUhqyGUREuQHycfjs2nrKBH4XUPfUJ50wsl86pF6ZciHM1h21PF gRICrZerJ35BMzQ9gKGoLSfpgjZ4QYsPmhb5tMdLbpGRIkE+XnvwQ6T7+v+EK1ep3wFBuE8GvS+Y 8= 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=95.143.172.20; envelope-from=neither@nut.email; helo=mailgate01.uberspace.is X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: 1757019144228116600 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 the hook for x86 targets. Signed-off-by: Julian Ganz --- target/i386/tcg/excp_helper.c | 3 +++ target/i386/tcg/seg_helper.c | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/target/i386/tcg/excp_helper.c b/target/i386/tcg/excp_helper.c index 6fb8036d98..32f2784e92 100644 --- a/target/i386/tcg/excp_helper.c +++ b/target/i386/tcg/excp_helper.c @@ -23,6 +23,7 @@ #include "system/runstate.h" #include "exec/helper-proto.h" #include "helper-tcg.h" +#include "qemu/plugin.h" =20 G_NORETURN void helper_raise_interrupt(CPUX86State *env, int intno, int next_eip_addend) @@ -93,6 +94,7 @@ void raise_interrupt2(CPUX86State *env, int intno, uintptr_t retaddr) { CPUState *cs =3D env_cpu(env); + uint64_t last_pc =3D env->eip + env->segs[R_CS].base; =20 if (!is_int) { cpu_svm_check_intercept_param(env, SVM_EXIT_EXCP_BASE + intno, @@ -106,6 +108,7 @@ void raise_interrupt2(CPUX86State *env, int intno, env->error_code =3D error_code; env->exception_is_int =3D is_int; env->exception_next_eip =3D env->eip + next_eip_addend; + qemu_plugin_vcpu_exception_cb(cs, last_pc); cpu_loop_exit_restore(cs, retaddr); } =20 diff --git a/target/i386/tcg/seg_helper.c b/target/i386/tcg/seg_helper.c index 071f3fbd83..db635aceee 100644 --- a/target/i386/tcg/seg_helper.c +++ b/target/i386/tcg/seg_helper.c @@ -29,6 +29,7 @@ #include "seg_helper.h" #include "access.h" #include "tcg-cpu.h" +#include "qemu/plugin.h" =20 #ifdef TARGET_X86_64 #define SET_ESP(val, sp_mask) \ @@ -1192,6 +1193,7 @@ void do_interrupt_all(X86CPU *cpu, int intno, int is_= int, int error_code, target_ulong next_eip, int is_hw) { CPUX86State *env =3D &cpu->env; + uint64_t last_pc =3D env->eip + env->segs[R_CS].base; =20 if (qemu_loglevel_mask(CPU_LOG_INT)) { if ((env->cr[0] & CR0_PE_MASK)) { @@ -1263,6 +1265,8 @@ void do_interrupt_all(X86CPU *cpu, int intno, int is_= int, event_inj & ~SVM_EVTINJ_VALID); } #endif + + qemu_plugin_vcpu_interrupt_cb(CPU(cpu), last_pc); } =20 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw) --=20 2.49.1