From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0A12C48BE8 for ; Sun, 20 Jun 2021 04:24:59 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A965A611AC for ; Sun, 20 Jun 2021 04:24:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A965A611AC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35832 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lup10-0004Zl-Tv for qemu-devel@archiver.kernel.org; Sun, 20 Jun 2021 00:24:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41420) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luoxw-0005JJ-Vt for qemu-devel@nongnu.org; Sun, 20 Jun 2021 00:21:50 -0400 Received: from mail-pg1-x532.google.com ([2607:f8b0:4864:20::532]:39439) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1luoxu-0007xg-OS for qemu-devel@nongnu.org; Sun, 20 Jun 2021 00:21:48 -0400 Received: by mail-pg1-x532.google.com with SMTP id w31so11273019pga.6 for ; Sat, 19 Jun 2021 21:21:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=4qZYFgo5owfVk6zq1cDCv8vj7PKVInUCjUJb6z1w1uE=; b=MeGcgIkUojPaUt2PUP5BJce9SYH/8P7z2BAImjnfAIUiIUsUJlhwNtP0ArJPb9excy 3w+TfpC6f2G3xF6k9f/UmCylTRqHh4ZAH1BlcW/iGdNIp/cTwXKzkNLSRUkyoduzXJud Xg5CmTrdJ3MkqPGs4ejxjXUTl94c9HBKNktqvZX4/rEaQB7tfEFRO0XJL41lDCHJ+IB5 gONDUZE0UetTC0RkHBHRv4FpGh3xl5Q176UzSl0/ejU8fitKbOZ2+PgtI4kR1tdindHR J8TVfni/iFiT/svg/K8rKIj9HnlixSTRj5nn3imR++oPhhR0GvHf3nxF317incriEdPc LdeQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=4qZYFgo5owfVk6zq1cDCv8vj7PKVInUCjUJb6z1w1uE=; b=mPyOJ2Sau+bhVCsbfblksT2wAw1GyqtMu9bi5UpAAQqOvlYPmGa0E4zJl0YqtslHiB EQcOOLxKUUWtfBii/USoA6ChTy3p2DsPnoorGOGUC4gFbfQ/4m72gZSs5UxC4Vp3o3zY fxRxz0fvHmKduD0bgERdbqLuexw3fX65nT2nGhVhaecSbr2CMMMeRhhmclC5ZMvza1DJ RIzdx9CSlFBttaOco0eG/1CmH72A+AUSjNg5uvSkTHqfB+qNnoZjADIQAzA0mWkE6v1n N/CGBUhV6kZjOZW2KRhHxypMgVLYRDwye5BsFcl/J1gGVI/Tt7kF/CJRTiWB9xeMH4SG fr/w== X-Gm-Message-State: AOAM531J7ezI/Y3VTYiLKhN52tmuuS9eyonPp4lbALJNKInjMwOAxQUx p5nYZ4I4YpU6ljgGjwoD/hScVs6RpVi7ZA== X-Google-Smtp-Source: ABdhPJwewuwybRP1iFkKLyMNopG+kmJhvZpUnlCneRh2U/IkRStk1FEJGiHX5CWNLMA5gVWTGygnCw== X-Received: by 2002:a65:638e:: with SMTP id h14mr17810222pgv.108.1624162905225; Sat, 19 Jun 2021 21:21:45 -0700 (PDT) Received: from localhost.localdomain ([71.212.149.176]) by smtp.gmail.com with ESMTPSA id b6sm11923156pfv.16.2021.06.19.21.21.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Jun 2021 21:21:44 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 3/9] target/cris: Mark exceptions as DISAS_NORETURN Date: Sat, 19 Jun 2021 21:21:35 -0700 Message-Id: <20210620042141.1235541-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210620042141.1235541-1-richard.henderson@linaro.org> References: <20210620042141.1235541-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::532; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x532.google.com 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_DNSWL_NONE=-0.0001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: edgar.iglesias@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" After we've raised the exception, we have left the TB. Signed-off-by: Richard Henderson --- target/cris/translate.c | 5 +++-- target/cris/translate_v10.c.inc | 3 ++- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/target/cris/translate.c b/target/cris/translate.c index 2ff4319dd1..f8b574b0b6 100644 --- a/target/cris/translate.c +++ b/target/cris/translate.c @@ -2874,6 +2874,7 @@ static int dec_rfe_etc(CPUCRISState *env, DisasContext *dc) -offsetof(CRISCPU, env) + offsetof(CPUState, halted)); tcg_gen_movi_tl(env_pc, dc->pc + 2); t_gen_raise_exception(EXCP_HLT); + dc->base.is_jmp = DISAS_NORETURN; return 2; } @@ -2901,7 +2902,7 @@ static int dec_rfe_etc(CPUCRISState *env, DisasContext *dc) /* Breaks start at 16 in the exception vector. */ t_gen_movi_env_TN(trap_vector, dc->op1 + 16); t_gen_raise_exception(EXCP_BREAK); - dc->base.is_jmp = DISAS_UPDATE; + dc->base.is_jmp = DISAS_NORETURN; break; default: printf("op2=%x\n", dc->op2); @@ -3189,7 +3190,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) cris_evaluate_flags(dc); tcg_gen_movi_tl(env_pc, dc->pc); t_gen_raise_exception(EXCP_DEBUG); - dc->base.is_jmp = DISAS_UPDATE; + dc->base.is_jmp = DISAS_NORETURN; /* The address covered by the breakpoint must be included in [tb->pc, tb->pc + tb->size) in order to for it to be properly cleared -- thus we increment the PC here so that diff --git a/target/cris/translate_v10.c.inc b/target/cris/translate_v10.c.inc index dd44a7eb97..0ba2aca96f 100644 --- a/target/cris/translate_v10.c.inc +++ b/target/cris/translate_v10.c.inc @@ -61,6 +61,7 @@ static inline void cris_illegal_insn(DisasContext *dc) { qemu_log_mask(LOG_GUEST_ERROR, "illegal insn at pc=%x\n", dc->pc); t_gen_raise_exception(EXCP_BREAK); + dc->base.is_jmp = DISAS_NORETURN; } static void gen_store_v10_conditional(DisasContext *dc, TCGv addr, TCGv val, @@ -1169,7 +1170,7 @@ static unsigned int dec10_ind(CPUCRISState *env, DisasContext *dc) t_gen_mov_env_TN(trap_vector, c); tcg_temp_free(c); t_gen_raise_exception(EXCP_BREAK); - dc->base.is_jmp = DISAS_UPDATE; + dc->base.is_jmp = DISAS_NORETURN; return insn_len; } LOG_DIS("%d: jump.%d %d r%d r%d\n", __LINE__, size, -- 2.25.1