From nobody Fri May 3 12:28:24 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1641330286009308.3050482840865; Tue, 4 Jan 2022 13:04:46 -0800 (PST) Received: from localhost ([::1]:34228 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n4qz6-0008Lc-G4 for importer@patchew.org; Tue, 04 Jan 2022 16:04:44 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50354) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n4qw2-0005dW-8P; Tue, 04 Jan 2022 16:01:34 -0500 Received: from [201.28.113.2] (port=18444 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n4qw0-0000Ie-P7; Tue, 04 Jan 2022 16:01:33 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 4 Jan 2022 18:01:26 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 022F28006C0; Tue, 4 Jan 2022 18:01:25 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v2 1/2] linux-user/ppc: deliver SIGTRAP on POWERPC_EXCP_TRAP Date: Tue, 4 Jan 2022 18:00:14 -0300 Message-Id: <20220104210015.457468-2-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220104210015.457468-1-matheus.ferst@eldorado.org.br> References: <20220104210015.457468-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-OriginalArrivalTime: 04 Jan 2022 21:01:26.0436 (UTC) FILETIME=[3CDB1E40:01D801AE] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) 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=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: 8 X-Spam_score: 0.8 X-Spam_bar: / X-Spam_report: (0.8 / 5.0 requ) RDNS_NONE=0.793, 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: , Cc: danielhb413@gmail.com, richard.henderson@linaro.org, laurent@vivier.eu, groug@kaod.org, clg@kaod.org, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1641330288363100001 Content-Type: text/plain; charset="utf-8" From: Matheus Ferst Handle POWERPC_EXCP_TRAP in cpu_loop to deliver SIGTRAP on tw[i]/td[i]. The si_code comes from do_program_check in the kernel source file arch/powerpc/kernel/traps.c Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson --- linux-user/ppc/cpu_loop.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/linux-user/ppc/cpu_loop.c b/linux-user/ppc/cpu_loop.c index 46e6ffd6d3..6c99feb19b 100644 --- a/linux-user/ppc/cpu_loop.c +++ b/linux-user/ppc/cpu_loop.c @@ -188,7 +188,8 @@ void cpu_loop(CPUPPCState *env) } break; case POWERPC_EXCP_TRAP: - cpu_abort(cs, "Tried to call a TRAP\n"); + si_signo =3D TARGET_SIGTRAP; + si_code =3D TARGET_TRAP_BRKPT; break; default: /* Should not happen ! */ --=20 2.25.1 From nobody Fri May 3 12:28:24 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1641330263305272.63745269785636; Tue, 4 Jan 2022 13:04:23 -0800 (PST) Received: from localhost ([::1]:33932 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n4qyg-00089i-00 for importer@patchew.org; Tue, 04 Jan 2022 16:04:22 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50370) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n4qw4-0005hI-Sa; Tue, 04 Jan 2022 16:01:36 -0500 Received: from [201.28.113.2] (port=18444 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n4qw3-0000Ie-9U; Tue, 04 Jan 2022 16:01:36 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 4 Jan 2022 18:01:26 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 4E02580012A; Tue, 4 Jan 2022 18:01:26 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v2 2/2] tests/tcg/ppc64le: change signal_save_restore_xer to use SIGTRAP Date: Tue, 4 Jan 2022 18:00:15 -0300 Message-Id: <20220104210015.457468-3-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220104210015.457468-1-matheus.ferst@eldorado.org.br> References: <20220104210015.457468-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-OriginalArrivalTime: 04 Jan 2022 21:01:26.0670 (UTC) FILETIME=[3CFED2E0:01D801AE] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) 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=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: 8 X-Spam_score: 0.8 X-Spam_bar: / X-Spam_report: (0.8 / 5.0 requ) RDNS_NONE=0.793, 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: , Cc: danielhb413@gmail.com, richard.henderson@linaro.org, laurent@vivier.eu, groug@kaod.org, clg@kaod.org, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1641330264586100001 Content-Type: text/plain; charset="utf-8" From: Matheus Ferst Now that linux-user delivers the signal on tw, we can change signal_save_restore_xer to use SIGTRAP instead of SIGILL. Suggested-by: Richard Henderson Reviewed-by: Richard Henderson Signed-off-by: Matheus Ferst --- tests/tcg/ppc64le/signal_save_restore_xer.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tests/tcg/ppc64le/signal_save_restore_xer.c b/tests/tcg/ppc64l= e/signal_save_restore_xer.c index e4f8a07dd7..9227f4f455 100644 --- a/tests/tcg/ppc64le/signal_save_restore_xer.c +++ b/tests/tcg/ppc64le/signal_save_restore_xer.c @@ -11,7 +11,7 @@ =20 uint64_t saved; =20 -void sigill_handler(int sig, siginfo_t *si, void *ucontext) +void sigtrap_handler(int sig, siginfo_t *si, void *ucontext) { ucontext_t *uc =3D ucontext; uc->uc_mcontext.regs->nip +=3D 4; @@ -23,14 +23,14 @@ int main(void) { uint64_t initial =3D XER_CA | XER_CA32, restored; struct sigaction sa =3D { - .sa_sigaction =3D sigill_handler, + .sa_sigaction =3D sigtrap_handler, .sa_flags =3D SA_SIGINFO }; =20 - sigaction(SIGILL, &sa, NULL); + sigaction(SIGTRAP, &sa, NULL); =20 asm("mtspr 1, %1\n\t" - ".long 0x0\n\t" + "trap\n\t" "mfspr %0, 1\n\t" : "=3Dr" (restored) : "r" (initial)); --=20 2.25.1