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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id u10sm2683386ilq.76.2022.01.09.08.19.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Jan 2022 08:19:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Q1qZC5vNCCsIJYSakIBaD2nrV2Zz0bBAsRBqPjX58yY=; b=oB2WgEMXJBs9il3FzijYpkTGxzvbcWIhDRvtkZRF9cDK1Evhs5B46givztN89Yhy8O 5mAdCzMtCFKohV5ZY5oN3f1FwK0xMeLVoGNIkRuQX07K1MYdI9SwmU5fAWn/I1nkQnmL cVLLcCRQbr9TnK7OGe7q9qF2fB9WwvAfitka4t+G1MfGyQlIldXuyfDi73Bud9Rv+6Ga DAKcVgyVXAe2noedQvkcgxlKh4SZZKVZ35T0rs+6+3OMcTPxuLpK/t0Df5E7cb1XP2z3 RT6CE9wCrkjDqc6AZClTq0va6403/Wl/t1kg3ir6iUmVk2aiBl0vK722+ItCsEoP6TCT aFKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Q1qZC5vNCCsIJYSakIBaD2nrV2Zz0bBAsRBqPjX58yY=; b=sNkI0DnHZPhKxOn1Bdbu4ITiEV+67QvkeNcnBS7/P8cTSuWO6TRZ2xjtDrWj/ltkbo 5TVcTxLHYsNTwfv2qTkOoxS0ynUGC1+GlZQsusTLjWg0zHJkuFTVuqNAXIwRDHofnVqd SjxQTkqUstu9uDf5PlZout26M3dHl6sHnNQ+WwjzAOj/cIMrW3iFdff0+DY3NIIvWUoT A8Fw03IyCIxgXDyuetpaw3I0ozdfl9CBpbx9RG92rgwTOxmZofDvpzrje71s4zSS3W05 DqYCv8IyC7wNtYpmZV9NiXofQFH+MjIWi7xhOGv4hWULyi3u2h/dUTZutTZfMJkQ7pIq RrNQ== X-Gm-Message-State: AOAM533tFVfeox31daNdyWsOIt7N39eBmQccJ0lfB49kLEXM1dOGcHfC ire/N2UDy34s+WFawftwR39quISLr5msWJUp X-Google-Smtp-Source: ABdhPJz9J0p8t9Iub1LfZWE31sgsvKTpJ5BOCaDUisTLq2jj1TQE3tkIjG5/3j2LyPkBrBBHQ6UlMA== X-Received: by 2002:a05:6602:1484:: with SMTP id a4mr3213539iow.112.1641745171768; Sun, 09 Jan 2022 08:19:31 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH 04/30] bsd-user/signal.c: implement cpu_loop_exit_sigbus Date: Sun, 9 Jan 2022 09:18:57 -0700 Message-Id: <20220109161923.85683-5-imp@bsdimp.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220109161923.85683-1-imp@bsdimp.com> References: <20220109161923.85683-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::d30 (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: none client-ip=2607:f8b0:4864:20::d30; envelope-from=imp@bsdimp.com; helo=mail-io1-xd30.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_NONE=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: Kyle Evans , Stacey Son , Warner Losh Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1641745505547100001 Content-Type: text/plain; charset="utf-8" First attempt at implementing cpu_loop_exit_sigbus, mostly copied from linux-user version of this function. Signed-off-by: Stacey Son Signed-off-by: Kyle Evans Signed-off-by: Warner Losh Reviewed-by: Peter Maydell Reviewed-by: Richard Henderson --- bsd-user/signal.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/bsd-user/signal.c b/bsd-user/signal.c index 12de0e2dea4..844dfa19095 100644 --- a/bsd-user/signal.c +++ b/bsd-user/signal.c @@ -80,7 +80,13 @@ void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong a= ddr, void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr, MMUAccessType access_type, uintptr_t ra) { - qemu_log_mask(LOG_UNIMP, "No signal support for SIGBUS\n"); - /* unreachable */ - abort(); + const struct TCGCPUOps *tcg_ops =3D CPU_GET_CLASS(cpu)->tcg_ops; + + if (tcg_ops->record_sigbus) { + tcg_ops->record_sigbus(cpu, addr, access_type, ra); + } + + force_sig_fault(TARGET_SIGBUS, TARGET_BUS_ADRALN, addr); + cpu->exception_index =3D EXCP_INTERRUPT; + cpu_loop_exit_restore(cpu, ra); } --=20 2.33.1