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=-18.7 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 A8562C433E0 for ; Tue, 2 Mar 2021 18:29:05 +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 DE10364F1F for ; Tue, 2 Mar 2021 18:29:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DE10364F1F 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]:50060 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lH9lX-0007CQ-RA for qemu-devel@archiver.kernel.org; Tue, 02 Mar 2021 13:29:03 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:59500) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lH9He-0003Gr-Pn for qemu-devel@nongnu.org; Tue, 02 Mar 2021 12:58:12 -0500 Received: from mail-pf1-x42a.google.com ([2607:f8b0:4864:20::42a]:35213) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lH9Hc-0007ci-Sn for qemu-devel@nongnu.org; Tue, 02 Mar 2021 12:58:10 -0500 Received: by mail-pf1-x42a.google.com with SMTP id o188so7657706pfg.2 for ; Tue, 02 Mar 2021 09:58:08 -0800 (PST) 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=zRqYUHJr744xk/wD2YdfQmwhn9sj63KtxuT5dzyyfcc=; b=OG0zSimOSxIWE3zjRfwtXK5fzkQpJXaVmLptfTmcazyOHtHWktE7WM4pM/RY1X7k4t cy8WyIJHOBSs5PUcOVfwLTmWcSwBAbwYigly6hX/MfcBmxt3giBCThZnwnVEg3iWEt02 AJBtX5bVySu4E8eGGtM8wcRN/hI07Ffym45NUZcTmu8DcVs4NcVM5IKKQ5gfXBiVRstp aNwu8j70W591jTwHl8W+pIZQxwcNcSXLEgT9T8z2TDUvRXiPgJI++mAurLVMHizn4WyJ f3D675goN5ExUyr/YMIepXQeU3gT+AgJ2xRVCgxzynuaYEJ0scW4neuT9Ko3ecVPDM6O UIjA== 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=zRqYUHJr744xk/wD2YdfQmwhn9sj63KtxuT5dzyyfcc=; b=kLH9+PzsKNNhzDpjn7pKUQUUOgFDfwOExx4uxpmGYxZMgbA3g/ozrjC+OX0H970HQF pfi3gBIV/g8fRJBqn5MDsr97jbJm0xE1io3aaPU/qxbmoJZhKtwjVQcviCEbYBZtEQ5g /GCJ5tjrvtR9yXKnQPgJfmNhhMUeWVZ8seWq9UsdXjbFfGS7LzO8pPxcbd7GpdX/sigr hjaq7+FUmnMMsos01F9FO1ZYBEZ8H1rHvkU9dhU5DkdrMbKFZFocZdnyekzeELhDxnDd G6VZKlP2FRK01OS8gVcEW1sgWPJaoT8WbH4OZZFzPeZNJycpin8YFlH8avNhzWLFQUnr f2tw== X-Gm-Message-State: AOAM532hyzbdZU6dUGYokvSf/mWCf5pMAivSh8LyGKECteKMkDVA9xKc Xe2YY8aP1EWwbd4ZpACzcVmJXpnHMz3khw== X-Google-Smtp-Source: ABdhPJye79YsMErXLSBuCaqUxHox88/M1/U/o6xgm67d+K/P5cTq7f5bTe/G7snO/VGro7YoX843aQ== X-Received: by 2002:aa7:9010:0:b029:1ee:253b:ebca with SMTP id m16-20020aa790100000b02901ee253bebcamr4372579pfo.53.1614707887627; Tue, 02 Mar 2021 09:58:07 -0800 (PST) Received: from localhost.localdomain (174-21-84-25.tukw.qwest.net. [174.21.84.25]) by smtp.gmail.com with ESMTPSA id gf20sm4232234pjb.39.2021.03.02.09.58.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Mar 2021 09:58:07 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 23/27] accel/tcg: rename tb_lookup__cpu_state and hoist state extraction Date: Tue, 2 Mar 2021 09:57:37 -0800 Message-Id: <20210302175741.1079851-24-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210302175741.1079851-1-richard.henderson@linaro.org> References: <20210302175741.1079851-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::42a; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42a.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: alex.bennee@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Alex Bennée Having a function return either and valid TB and some system state seems excessive. It will make the subsequent re-factoring easier if we lookup the current state where we are. Signed-off-by: Alex Bennée Message-Id: <20210224165811.11567-2-alex.bennee@linaro.org> Signed-off-by: Richard Henderson --- include/exec/tb-lookup.h | 18 ++++++++---------- accel/tcg/cpu-exec.c | 10 ++++++++-- accel/tcg/tcg-runtime.c | 4 +++- 3 files changed, 19 insertions(+), 13 deletions(-) diff --git a/include/exec/tb-lookup.h b/include/exec/tb-lookup.h index 9cf475bb03..62a509535d 100644 --- a/include/exec/tb-lookup.h +++ b/include/exec/tb-lookup.h @@ -17,30 +17,28 @@ #include "exec/tb-hash.h" /* Might cause an exception, so have a longjmp destination ready */ -static inline TranslationBlock * -tb_lookup__cpu_state(CPUState *cpu, target_ulong *pc, target_ulong *cs_base, - uint32_t *flags, uint32_t cf_mask) +static inline TranslationBlock * tb_lookup(CPUState *cpu, + target_ulong pc, target_ulong cs_base, + uint32_t flags, uint32_t cf_mask) { - CPUArchState *env = (CPUArchState *)cpu->env_ptr; TranslationBlock *tb; uint32_t hash; - cpu_get_tb_cpu_state(env, pc, cs_base, flags); - hash = tb_jmp_cache_hash_func(*pc); + hash = tb_jmp_cache_hash_func(pc); tb = qatomic_rcu_read(&cpu->tb_jmp_cache[hash]); cf_mask &= ~CF_CLUSTER_MASK; cf_mask |= cpu->cluster_index << CF_CLUSTER_SHIFT; if (likely(tb && - tb->pc == *pc && - tb->cs_base == *cs_base && - tb->flags == *flags && + tb->pc == pc && + tb->cs_base == cs_base && + tb->flags == flags && tb->trace_vcpu_dstate == *cpu->trace_dstate && (tb_cflags(tb) & (CF_HASH_MASK | CF_INVALID)) == cf_mask)) { return tb; } - tb = tb_htable_lookup(cpu, *pc, *cs_base, *flags, cf_mask); + tb = tb_htable_lookup(cpu, pc, cs_base, flags, cf_mask); if (tb == NULL) { return NULL; } diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 16e4fe3ccd..ef96b312a1 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -245,6 +245,7 @@ static void cpu_exec_exit(CPUState *cpu) void cpu_exec_step_atomic(CPUState *cpu) { + CPUArchState *env = (CPUArchState *)cpu->env_ptr; TranslationBlock *tb; target_ulong cs_base, pc; uint32_t flags; @@ -258,7 +259,9 @@ void cpu_exec_step_atomic(CPUState *cpu) g_assert(!cpu->running); cpu->running = true; - tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, cf_mask); + cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags); + tb = tb_lookup(cpu, pc, cs_base, flags, cf_mask); + if (tb == NULL) { mmap_lock(); tb = tb_gen_code(cpu, pc, cs_base, flags, cflags); @@ -418,11 +421,14 @@ static inline TranslationBlock *tb_find(CPUState *cpu, TranslationBlock *last_tb, int tb_exit, uint32_t cf_mask) { + CPUArchState *env = (CPUArchState *)cpu->env_ptr; TranslationBlock *tb; target_ulong cs_base, pc; uint32_t flags; - tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, cf_mask); + cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags); + + tb = tb_lookup(cpu, pc, cs_base, flags, cf_mask); if (tb == NULL) { mmap_lock(); tb = tb_gen_code(cpu, pc, cs_base, flags, cf_mask); diff --git a/accel/tcg/tcg-runtime.c b/accel/tcg/tcg-runtime.c index d736f4ff55..05e3d52c2f 100644 --- a/accel/tcg/tcg-runtime.c +++ b/accel/tcg/tcg-runtime.c @@ -152,7 +152,9 @@ const void *HELPER(lookup_tb_ptr)(CPUArchState *env) target_ulong cs_base, pc; uint32_t flags; - tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, curr_cflags()); + cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags); + + tb = tb_lookup(cpu, pc, cs_base, flags, curr_cflags()); if (tb == NULL) { return tcg_code_gen_epilogue; } -- 2.25.1