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Mon, 19 May 2025 17:20:24 +0200 (CEST) Received: (qmail 1468 invoked by uid 990); 19 May 2025 15:20:24 -0000 Received: from unknown (HELO unkown) (::1) by skiff.uberspace.de (Haraka/3.0.1) with ESMTPSA; Mon, 19 May 2025 17:20:24 +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 v5 09/25] target/i386: call plugin trap callbacks Date: Mon, 19 May 2025 17:19:49 +0200 Message-ID: <67873385ae5ca07542184ba2d5b21bf3fed34825.1747666625.git.neither@nut.email> X-Mailer: git-send-email 2.49.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Rspamd-Bar: ----- X-Rspamd-Report: REPLY(-4) BAYES_HAM(-2.999679) MID_CONTAINS_FROM(1) MIME_GOOD(-0.1) R_MISSING_CHARSET(0.5) X-Rspamd-Score: -5.599679 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nut.email; s=uberspace; h=from:to:cc:subject:date; bh=BDtEUGOiJ460yQyTgMpYkGu26mgEgDHjVtdwN+y0NTs=; 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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 2.49.0