From patchwork Sun Apr 28 22:14:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13646132 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9B54AC4345F for ; Sun, 28 Apr 2024 22:17:43 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s1CpZ-00024y-EK; Sun, 28 Apr 2024 18:17:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s1CpC-00018E-8k for qemu-devel@nongnu.org; Sun, 28 Apr 2024 18:16:49 -0400 Received: from mail-ed1-x534.google.com ([2a00:1450:4864:20::534]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1s1Cp9-0005k0-Rl for qemu-devel@nongnu.org; Sun, 28 Apr 2024 18:16:45 -0400 Received: by mail-ed1-x534.google.com with SMTP id 4fb4d7f45d1cf-572229f196cso3881524a12.2 for ; Sun, 28 Apr 2024 15:16:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1714342601; x=1714947401; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Evb3eGbBZdxVTABj6hS8iE4A57Mw0jsMC3hyjWh5Exw=; b=vubWJ/k7ZEL9sjKMVKwAaB7XZjHjj8KGdwNigR3+3KTTZTA3bjaWElBlfPAwMm54Cl wXTKHg+RcogNC3YOHwlI3UIo8Kt/kmKAwOw/5EJI/tkeETkW9YxY6xO996/JcherWH+X GGMxwdx0Y1ScoMAZPK+xBtlCYLmKW11Wx+6WF/81V/dIlK94NHiydiNw2ybGlrE/PiWv 2lNuWsIQayrZyQbdQmxVhH/RistpYa/YIhmR3iRhv2tzULSNdOs482uGcM215g6s7XSS GRBxXVY+FbAv2D2yeDLOXAXJ4LUAC7dycp74Ola04G8JcIPbCy+bPWSkZCJP8Cet42L7 btyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714342601; x=1714947401; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Evb3eGbBZdxVTABj6hS8iE4A57Mw0jsMC3hyjWh5Exw=; b=NVbG/xfsDhekUuC9jGVWV/Z9wgRMhtWJ5IHIEz+EYHJ1U0bOv63RReS4u40ycqrNPA TXB2xVCEtjl9SkwGy3PDqipz5OhEt+xDzqbqEbg9PopeQShWDPTH2e3X8Weor3E2y2sQ v/ZatdGGJMi1U2xy1SjXNKZYDwWE90fww28Msxoz/o3bF/VcwRKLAmgbYkLqL0w4gQvx TT9+2ru6rEDsCtZBKvV118yBUL9u/A0wzEOH+6rCJV+RAcZfF9JTB1a9Rfto5fWVpbDn ztVfOnudxyzEcd3t10y2j3EwYFC+m8jBtmquUcqe5dLbL2d/IseUaRdZqkcbWHy7kjmb jcuA== X-Gm-Message-State: AOJu0YywVloTqp8GRnwCqNQmhm10+LaraZs+VrV9Ts5kxG9Adtj8SYrC Qdap+4Ys+QfWgad5ryv+vBo8ZRsV6M9DQIsRdHCYJVbtZHXh5nBhJoUXs6kJwuoeS2MyPf0JkJx U X-Google-Smtp-Source: AGHT+IH98fELUCy8Ey1S7rRdg9c2syyMhocgeRUlOcXumMbAc0jpo3TVgaSq3vIc61vBxWRSarRTjQ== X-Received: by 2002:a50:9f43:0:b0:572:3fe4:18b5 with SMTP id b61-20020a509f43000000b005723fe418b5mr4572654edf.32.1714342601075; Sun, 28 Apr 2024 15:16:41 -0700 (PDT) Received: from m1x-phil.lan ([176.176.142.130]) by smtp.gmail.com with ESMTPSA id p19-20020a05640210d300b00572033ec969sm8495254edu.60.2024.04.28.15.16.40 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sun, 28 Apr 2024 15:16:40 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Anton Johansson , Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= Subject: [PATCH 20/24] accel/tcg: Move @tb_jmp_cache from CPUState to TCG AccelCPUState Date: Mon, 29 Apr 2024 00:14:46 +0200 Message-ID: <20240428221450.26460-21-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240428221450.26460-1-philmd@linaro.org> References: <20240428221450.26460-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::534; envelope-from=philmd@linaro.org; helo=mail-ed1-x534.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org @tb_jmp_cache is specific to TCG accelerator, move it to its AccelCPUState. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson --- accel/tcg/tb-jmp-cache.h | 4 ++-- accel/tcg/vcpu-state.h | 2 ++ include/hw/core/cpu.h | 2 -- include/qemu/typedefs.h | 1 - accel/tcg/cpu-exec.c | 7 +++---- accel/tcg/cputlb.c | 2 +- accel/tcg/tb-maint.c | 2 +- accel/tcg/translate-all.c | 5 +++-- 8 files changed, 12 insertions(+), 13 deletions(-) diff --git a/accel/tcg/tb-jmp-cache.h b/accel/tcg/tb-jmp-cache.h index 184bb3e3e2..c3a505e394 100644 --- a/accel/tcg/tb-jmp-cache.h +++ b/accel/tcg/tb-jmp-cache.h @@ -22,12 +22,12 @@ * non-NULL value of 'tb'. Strictly speaking pc is only needed for * CF_PCREL, but it's used always for simplicity. */ -struct CPUJumpCache { +typedef struct CPUJumpCache { struct rcu_head rcu; struct { TranslationBlock *tb; vaddr pc; } array[TB_JMP_CACHE_SIZE]; -}; +} CPUJumpCache; #endif /* ACCEL_TCG_TB_JMP_CACHE_H */ diff --git a/accel/tcg/vcpu-state.h b/accel/tcg/vcpu-state.h index 2d09dc3857..5b31c801d8 100644 --- a/accel/tcg/vcpu-state.h +++ b/accel/tcg/vcpu-state.h @@ -7,6 +7,7 @@ #define ACCEL_TCG_VCPU_STATE_H #include "hw/core/cpu.h" +#include "tb-jmp-cache.h" /** * AccelCPUState: @@ -16,6 +17,7 @@ struct AccelCPUState { uint32_t cflags_next_tb; sigjmp_buf jmp_env; + CPUJumpCache tb_jmp_cache; #ifdef CONFIG_USER_ONLY TaskState *ts; diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 9e192f739a..99709270fa 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -484,8 +484,6 @@ struct CPUState { AddressSpace *as; MemoryRegion *memory; - CPUJumpCache *tb_jmp_cache; - GArray *gdb_regs; int gdb_num_regs; int gdb_num_g_regs; diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h index 36f2825725..daf9009332 100644 --- a/include/qemu/typedefs.h +++ b/include/qemu/typedefs.h @@ -44,7 +44,6 @@ typedef struct CPUAddressSpace CPUAddressSpace; typedef struct CPUArchState CPUArchState; typedef struct CPUPluginState CPUPluginState; typedef struct CpuInfoFast CpuInfoFast; -typedef struct CPUJumpCache CPUJumpCache; typedef struct CPUState CPUState; typedef struct CPUTLBEntryFull CPUTLBEntryFull; typedef struct DeviceListener DeviceListener; diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 55235d3e5e..8f8e1fa948 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -261,7 +261,7 @@ static inline TranslationBlock *tb_lookup(CPUState *cpu, vaddr pc, tcg_debug_assert(!(cflags & CF_INVALID)); hash = tb_jmp_cache_hash_func(pc); - jc = cpu->tb_jmp_cache; + jc = &cpu->accel->tb_jmp_cache; tb = qatomic_read(&jc->array[hash].tb); if (likely(tb && @@ -1004,7 +1004,7 @@ cpu_exec_loop(CPUState *cpu, SyncClocks *sc) * for the fast lookup */ h = tb_jmp_cache_hash_func(pc); - jc = cpu->tb_jmp_cache; + jc = &cpu->accel->tb_jmp_cache; jc->array[h].pc = pc; qatomic_set(&jc->array[h].tb, tb); } @@ -1083,7 +1083,6 @@ bool tcg_exec_realizefn(CPUState *cpu, Error **errp) tcg_target_initialized = true; } - cpu->tb_jmp_cache = g_new0(CPUJumpCache, 1); tlb_init(cpu); #ifndef CONFIG_USER_ONLY tcg_iommu_init_notifier_list(cpu); @@ -1101,5 +1100,5 @@ void tcg_exec_unrealizefn(CPUState *cpu) #endif /* !CONFIG_USER_ONLY */ tlb_destroy(cpu); - g_free_rcu(cpu->tb_jmp_cache, rcu); + g_free_rcu(&cpu->accel->tb_jmp_cache, rcu); } diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index e9d6faf78f..964dacaf44 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -156,7 +156,7 @@ static void tlb_window_reset(CPUTLBDesc *desc, int64_t ns, static void tb_jmp_cache_clear_page(CPUState *cpu, vaddr page_addr) { - CPUJumpCache *jc = cpu->tb_jmp_cache; + CPUJumpCache *jc = &cpu->accel->tb_jmp_cache; int i, i0; if (unlikely(!jc)) { diff --git a/accel/tcg/tb-maint.c b/accel/tcg/tb-maint.c index 2d5faca9fd..83758648f2 100644 --- a/accel/tcg/tb-maint.c +++ b/accel/tcg/tb-maint.c @@ -888,7 +888,7 @@ static void tb_jmp_cache_inval_tb(TranslationBlock *tb) uint32_t h = tb_jmp_cache_hash_func(tb->pc); CPU_FOREACH(cpu) { - CPUJumpCache *jc = cpu->tb_jmp_cache; + CPUJumpCache *jc = &cpu->accel->tb_jmp_cache; if (qatomic_read(&jc->array[h].tb) == tb) { qatomic_set(&jc->array[h].tb, NULL); diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 3a8199a761..ca1e193633 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -652,13 +652,14 @@ void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr) */ void tcg_flush_jmp_cache(CPUState *cpu) { - CPUJumpCache *jc = cpu->tb_jmp_cache; + CPUJumpCache *jc; /* During early initialization, the cache may not yet be allocated. */ - if (unlikely(jc == NULL)) { + if (unlikely(cpu->accel == NULL)) { return; } + jc = &cpu->accel->tb_jmp_cache; for (int i = 0; i < TB_JMP_CACHE_SIZE; i++) { qatomic_set(&jc->array[i].tb, NULL); }