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Mon, 6 Oct 2025 11:57:40 +0200 (CEST) Received: (qmail 18746 invoked by uid 990); 6 Oct 2025 09:57:39 -0000 Received: from unknown (HELO unkown) (::1) by skiff.uberspace.de (Haraka/3.0.1) with ESMTPSA; Mon, 06 Oct 2025 11:57:39 +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 v7 09/25] target/i386: call plugin trap callbacks Date: Mon, 6 Oct 2025 11:57:04 +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(-2.999903) MID_CONTAINS_FROM(1) MIME_GOOD(-0.1) R_MISSING_CHARSET(0.5) X-Rspamd-Score: -5.599903 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=s8XuMnFcR2ogxxs7+YPW0rJjD83wI3KwsC9TR9VDq7jCPChwFgGM9P+EtOBxj4vwrw7LXgynqx gWA3pz9siwmm7sO1ugkEoWIOgP7Fh3Ww/t9X62Ma3dukPapZzwBETGYXI8o9CdpwXzbTzkENjibk E5NEnnshhTcxlUqfeUaJ6t8aHOMkwqQA4KaqXbskq1A1C+VzRohCokn7n1FMlcPbz8UWh6wjHtOH WHe+OpHW51K0b4EXBTtMxddHJ2ozZNcHh8Ys3yazFUkVTr0RGOSz2F3pQ7f+Mcvb/H7BwxfQIcWO JcdMWABmWCXC08gd8YbKxP2gcqLH6oA3auI41uSdO+XxXH7CoMb/LTv5KFZeiflGbJ+fD5GOR8Rd bggawd/zIN7aDHNww4YV1ZtrYKM/C0BiE5LB9z1VANzRkNrL+CRMTl4an/0kavglp51eXkrY42Mb 8D9TU3DxKr6CHEEQgWCuSEkVaC39d7c24w2+BMEAszp9lYwk89n2MB3aqZkbjfnYrfP04la6abyV nRvY6kytIOCMc0T5MZ+rQG6dH1BOo2aUpGGiGdXKNk4C/pbyhSS5EGyF333NS0ESh0QIJVZ3tnss VnMWj4UOSQ4xyCASdytEogvHw8ns3nQ0SlZTGYWNOHg/4lKYNKwps4iNSENMnLnAlPOoyHyO2YCV k= 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: -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, 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 @nut.email) X-ZM-MESSAGEID: 1759744775130116600 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