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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:02 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 01/21] accel/tcg: Assert noreturn from write-only page for atomics Date: Sat, 5 Oct 2024 13:05:40 -0700 Message-ID: <20241005200600.493604-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::636; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x636.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org There should be no "just in case"; the page is already in the tlb, and known to be not readable. Signed-off-by: Richard Henderson --- accel/tcg/cputlb.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index 117b516739..fd6459b695 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -1852,10 +1852,9 @@ static void *atomic_mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, /* * Since we don't support reads and writes to different * addresses, and we do have the proper page loaded for - * write, this shouldn't ever return. But just in case, - * handle via stop-the-world. + * write, this shouldn't ever return. */ - goto stop_the_world; + g_assert_not_reached(); } /* Collect tlb flags for read. */ tlb_addr |= tlbe->addr_read; From patchwork Sat Oct 5 20:05:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 832992 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1338494wra; Sat, 5 Oct 2024 13:07:16 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCVWn1JkUdqlN/JWiyahxPHXzMAvE7FEO+3pUKFaoG1MqF2XYW44aJmtYV0d4CkrtCpAmTxyWA==@linaro.org X-Google-Smtp-Source: AGHT+IHLV0xijXW7yvWG1fjljs0tk1Z3EqL6hnRZVsohsmPObYLN22/1uUruvG+Zr+6N/8CXHOQV X-Received: by 2002:a05:622a:148b:b0:458:4e4c:b692 with SMTP id d75a77b69052e-45d9ba7a0eamr105121291cf.36.1728158836568; Sat, 05 Oct 2024 13:07:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158836; cv=none; d=google.com; s=arc-20240605; b=WK0F0JTHbhbWcUNB2a/p3z2Vtu5ftjxBQnU2TKNDQWoe8/JGUhwpXRbcdmQRZHMJBL H9ZE0v8mgQT0yJ3zjpZ7KMCZbjbKsTt9Bmt+ZjSqOai7nxERNZ7aI/rhf5grH61HzEH7 ZQyj1OYc4BGNL2dObFbIDl0VDIY3F1QHAWqLViaiPFSfIeHFHR/RMvnP8fobD076jvvp STvEKjzcdNgyUcTIkf/+Pj9msDvddGqSEsSisIosU6slmOqv8do4in33o2XAXhPqhFad pXhW4mxc8DLJMdfarudnVhH8xsnkgxNff6JPDUxYgZP6qaXdHXAoy5Yem5PumwOXRll9 5iqA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=wBthGFf8BfR2i4dob959bB47CFsEJX0Mf+aRMHd0jM4=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=bxvXfjNUPBGg3MCrXapJoS1p/jcPnJlCzq/CpoqZg55lQDi6vezDBCy5V8/YFkjBgV Gdf7rMYxgiF47Tv8eE0tlpQrzJzeUEykeBU0EHs4VvFBjQ1duuUoGL5PdRTBFjCrSxtP 8LbAIlYmvwz1wdpQESbI5NK/c82nCH3pHQhYavdv2hAWa/C3JC54WeZqTJe2wqBvy62t 5H+RwglISQxYjiwFB57m2fdobvKnmsoSDtu/ktX3yA6Yts7eU9hJkGSMF7sv8a9oPBTJ 1zE9KXDXIaxgdK4JKHB+PUUcrrXLg8xPSwC3YJtZA9geg+aWYGoL7YOmdLXtyO3P6igu /5bA==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=w7Ph5oXb; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:03 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 02/21] accel/tcg: Expand tlb_fill for 3 callers Date: Sat, 5 Oct 2024 13:05:41 -0700 Message-ID: <20241005200600.493604-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::635; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x635.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Signed-off-by: Richard Henderson --- accel/tcg/cputlb.c | 33 ++++++++++----------------------- 1 file changed, 10 insertions(+), 23 deletions(-) diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index fd6459b695..58960969f4 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -1220,25 +1220,6 @@ void tlb_set_page(CPUState *cpu, vaddr addr, prot, mmu_idx, size); } -/* - * Note: tlb_fill() can trigger a resize of the TLB. This means that all of the - * caller's prior references to the TLB table (e.g. CPUTLBEntry pointers) must - * be discarded and looked up again (e.g. via tlb_entry()). - */ -static void tlb_fill(CPUState *cpu, vaddr addr, int size, - MMUAccessType access_type, int mmu_idx, uintptr_t retaddr) -{ - bool ok; - - /* - * This is not a probe, so only valid return is success; failure - * should result in exception + longjmp to the cpu loop. - */ - ok = cpu->cc->tcg_ops->tlb_fill(cpu, addr, size, - access_type, mmu_idx, false, retaddr); - assert(ok); -} - static inline void cpu_unaligned_access(CPUState *cpu, vaddr addr, MMUAccessType access_type, int mmu_idx, uintptr_t retaddr) @@ -1631,7 +1612,10 @@ static bool mmu_lookup1(CPUState *cpu, MMULookupPageData *data, if (!tlb_hit(tlb_addr, addr)) { if (!victim_tlb_hit(cpu, mmu_idx, index, access_type, addr & TARGET_PAGE_MASK)) { - tlb_fill(cpu, addr, data->size, access_type, mmu_idx, ra); + bool ok = cpu->cc->tcg_ops->tlb_fill(cpu, addr, data->size, + access_type, mmu_idx, + false, ra); + assert(ok); maybe_resized = true; index = tlb_index(cpu, mmu_idx, addr); entry = tlb_entry(cpu, mmu_idx, addr); @@ -1833,8 +1817,10 @@ static void *atomic_mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, if (!tlb_hit(tlb_addr, addr)) { if (!victim_tlb_hit(cpu, mmu_idx, index, MMU_DATA_STORE, addr & TARGET_PAGE_MASK)) { - tlb_fill(cpu, addr, size, - MMU_DATA_STORE, mmu_idx, retaddr); + bool ok = cpu->cc->tcg_ops->tlb_fill(cpu, addr, size, + MMU_DATA_STORE, mmu_idx, + false, retaddr); + assert(ok); index = tlb_index(cpu, mmu_idx, addr); tlbe = tlb_entry(cpu, mmu_idx, addr); } @@ -1848,7 +1834,8 @@ static void *atomic_mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, * but addr_read will only be -1 if PAGE_READ was unset. */ if (unlikely(tlbe->addr_read == -1)) { - tlb_fill(cpu, addr, size, MMU_DATA_LOAD, mmu_idx, retaddr); + cpu->cc->tcg_ops->tlb_fill(cpu, addr, size, MMU_DATA_LOAD, + mmu_idx, false, retaddr); /* * Since we don't support reads and writes to different * addresses, and we do have the proper page loaded for From patchwork Sat Oct 5 20:05:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833006 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1339127wra; Sat, 5 Oct 2024 13:09:33 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCWGOJG+17L14ka9T0GLyEo0rkiGhEyBnC2JE0RBX5msUpGQogHF0XK/mOVifz1UbMYrZEpaRw==@linaro.org X-Google-Smtp-Source: AGHT+IF9FI4ca4o44MqkHvZv/Tk3YaKWLnT8CFb6Y0zzupdFSJ1Hn6Txz2YqwsZK3RgZMcLLJwo9 X-Received: by 2002:a05:622a:548e:b0:45d:8bd7:391a with SMTP id d75a77b69052e-45d9bad3311mr96920301cf.43.1728158973267; Sat, 05 Oct 2024 13:09:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158973; cv=none; d=google.com; s=arc-20240605; b=ZDxUDfQwJTiPA6mUf3aS1ojnVmiVYU0y96huJrf7G0GRoGIKjAE4QXwuY5Ny6g2nVC DmfJKD5r6Hlm93DUapWPmDIECQyjUDKBi98glJZfOxb1xYRk6slpTI2bOcVf9K4fr3O+ ueAB4frn5jA/eysYGZMqRwQMCa1fv/IRdaLXWjWHj0Md16MbeLfap484rf82an3wfmyx WYiEppdeyl1UeOvtKTFUzHVlzMusYfoRrIeA2iLDl99SbZ9ivXkEw1oih8bcRXHph9sr FNiE3D9Bq3r3awSsQd4RqG7I32Xn4e5qoa5HrjJqvVpPBLnbABVT1/mPDuA8NN0LFgEU O1vA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=js9k8IR/cEhAqGc5dKpCioG/n/UgV+piB56d5dg8Aiw=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=YJYnCkCWvun/EXYzp1nBGZ656RtgZ77q1QLzWwoXsURVxdW85ZxZFyUDLTHvaYLnpe LW6LnjIKG/Sa1+G//oNJ1CsK7FXiAqsb9Z+P2EITbf4OVV1pSmSqP31ALMLIm4VykLjG gOtW9c/lDD24jzPG1L651ZUHbIzettJVq04ZlmjAWmRoDY+CfwgP/eUS2VQRdZKzO16v ZYoGY9y7ZJMYb8C5/9Xq7YwfrRtYrdslWFt0sIdd6EqZybFi82lrD57dqVy5bcPHvF4c JJ9La1vLRjuLM7cS/LShbSXpDqBoA4i/oAv79IE91WmvfJR/hfQUE/dl15saO+7GIpwY uH2w==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="uiErL/iL"; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:03 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 03/21] include/exec/memop: Move get_alignment_bits from tcg.h Date: Sat, 5 Oct 2024 13:05:42 -0700 Message-ID: <20241005200600.493604-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62f.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org This function is specific to MemOp, not TCG in general. Signed-off-by: Richard Henderson --- include/exec/memop.h | 23 +++++++++++++++++++++++ include/tcg/tcg.h | 23 ----------------------- 2 files changed, 23 insertions(+), 23 deletions(-) diff --git a/include/exec/memop.h b/include/exec/memop.h index f881fe7af4..97720a8ee7 100644 --- a/include/exec/memop.h +++ b/include/exec/memop.h @@ -170,4 +170,27 @@ static inline bool memop_big_endian(MemOp op) return (op & MO_BSWAP) == MO_BE; } +/** + * get_alignment_bits + * @memop: MemOp value + * + * Extract the alignment size from the memop. + */ +static inline unsigned get_alignment_bits(MemOp memop) +{ + unsigned a = memop & MO_AMASK; + + if (a == MO_UNALN) { + /* No alignment required. */ + a = 0; + } else if (a == MO_ALIGN) { + /* A natural alignment requirement. */ + a = memop & MO_SIZE; + } else { + /* A specific alignment requirement. */ + a = a >> MO_ASHIFT; + } + return a; +} + #endif diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h index 21d5884741..824fb3560d 100644 --- a/include/tcg/tcg.h +++ b/include/tcg/tcg.h @@ -281,29 +281,6 @@ static inline int tcg_type_size(TCGType t) return 4 << i; } -/** - * get_alignment_bits - * @memop: MemOp value - * - * Extract the alignment size from the memop. - */ -static inline unsigned get_alignment_bits(MemOp memop) -{ - unsigned a = memop & MO_AMASK; - - if (a == MO_UNALN) { - /* No alignment required. */ - a = 0; - } else if (a == MO_ALIGN) { - /* A natural alignment requirement. */ - a = memop & MO_SIZE; - } else { - /* A specific alignment requirement. */ - a = a >> MO_ASHIFT; - } - return a; -} - typedef tcg_target_ulong TCGArg; /* Define type and accessor macros for TCG variables. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:04 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 04/21] include/exec/memop: Rename get_alignment_bits Date: Sat, 5 Oct 2024 13:05:43 -0700 Message-ID: <20241005200600.493604-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::635; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x635.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Rename to use "memop_" prefix, like other functions that operate on MemOp. Signed-off-by: Richard Henderson --- include/exec/memop.h | 4 ++-- accel/tcg/cputlb.c | 4 ++-- accel/tcg/user-exec.c | 4 ++-- target/arm/tcg/translate-a64.c | 4 ++-- target/xtensa/translate.c | 2 +- tcg/tcg-op-ldst.c | 6 +++--- tcg/tcg.c | 2 +- tcg/arm/tcg-target.c.inc | 4 ++-- tcg/sparc64/tcg-target.c.inc | 2 +- 9 files changed, 16 insertions(+), 16 deletions(-) diff --git a/include/exec/memop.h b/include/exec/memop.h index 97720a8ee7..f53bf618c6 100644 --- a/include/exec/memop.h +++ b/include/exec/memop.h @@ -171,12 +171,12 @@ static inline bool memop_big_endian(MemOp op) } /** - * get_alignment_bits + * memop_alignment_bits: * @memop: MemOp value * * Extract the alignment size from the memop. */ -static inline unsigned get_alignment_bits(MemOp memop) +static inline unsigned memop_alignment_bits(MemOp memop) { unsigned a = memop & MO_AMASK; diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index 58960969f4..b5bff220a3 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -1693,7 +1693,7 @@ static bool mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, tcg_debug_assert(l->mmu_idx < NB_MMU_MODES); /* Handle CPU specific unaligned behaviour */ - a_bits = get_alignment_bits(l->memop); + a_bits = memop_alignment_bits(l->memop); if (addr & ((1 << a_bits) - 1)) { cpu_unaligned_access(cpu, addr, type, l->mmu_idx, ra); } @@ -1781,7 +1781,7 @@ static void *atomic_mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, { uintptr_t mmu_idx = get_mmuidx(oi); MemOp mop = get_memop(oi); - int a_bits = get_alignment_bits(mop); + int a_bits = memop_alignment_bits(mop); uintptr_t index; CPUTLBEntry *tlbe; vaddr tlb_addr; diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 7ddc47b0ba..08a6df9987 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -959,7 +959,7 @@ void page_reset_target_data(target_ulong start, target_ulong last) { } static void *cpu_mmu_lookup(CPUState *cpu, vaddr addr, MemOp mop, uintptr_t ra, MMUAccessType type) { - int a_bits = get_alignment_bits(mop); + int a_bits = memop_alignment_bits(mop); void *ret; /* Enforce guest required alignment. */ @@ -1241,7 +1241,7 @@ static void *atomic_mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, int size, uintptr_t retaddr) { MemOp mop = get_memop(oi); - int a_bits = get_alignment_bits(mop); + int a_bits = memop_alignment_bits(mop); void *ret; /* Enforce guest required alignment. */ diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 071b6349fc..ec0b1ee252 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -294,7 +294,7 @@ static TCGv_i64 gen_mte_check1_mmuidx(DisasContext *s, TCGv_i64 addr, desc = FIELD_DP32(desc, MTEDESC, TBI, s->tbid); desc = FIELD_DP32(desc, MTEDESC, TCMA, s->tcma); desc = FIELD_DP32(desc, MTEDESC, WRITE, is_write); - desc = FIELD_DP32(desc, MTEDESC, ALIGN, get_alignment_bits(memop)); + desc = FIELD_DP32(desc, MTEDESC, ALIGN, memop_alignment_bits(memop)); desc = FIELD_DP32(desc, MTEDESC, SIZEM1, memop_size(memop) - 1); ret = tcg_temp_new_i64(); @@ -326,7 +326,7 @@ TCGv_i64 gen_mte_checkN(DisasContext *s, TCGv_i64 addr, bool is_write, desc = FIELD_DP32(desc, MTEDESC, TBI, s->tbid); desc = FIELD_DP32(desc, MTEDESC, TCMA, s->tcma); desc = FIELD_DP32(desc, MTEDESC, WRITE, is_write); - desc = FIELD_DP32(desc, MTEDESC, ALIGN, get_alignment_bits(single_mop)); + desc = FIELD_DP32(desc, MTEDESC, ALIGN, memop_alignment_bits(single_mop)); desc = FIELD_DP32(desc, MTEDESC, SIZEM1, total_size - 1); ret = tcg_temp_new_i64(); diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c index 75b7bfda4c..f4da4a40f9 100644 --- a/target/xtensa/translate.c +++ b/target/xtensa/translate.c @@ -521,7 +521,7 @@ static MemOp gen_load_store_alignment(DisasContext *dc, MemOp mop, mop |= MO_ALIGN; } if (!option_enabled(dc, XTENSA_OPTION_UNALIGNED_EXCEPTION)) { - tcg_gen_andi_i32(addr, addr, ~0 << get_alignment_bits(mop)); + tcg_gen_andi_i32(addr, addr, ~0 << memop_alignment_bits(mop)); } return mop; } diff --git a/tcg/tcg-op-ldst.c b/tcg/tcg-op-ldst.c index 23dc807f11..a318011229 100644 --- a/tcg/tcg-op-ldst.c +++ b/tcg/tcg-op-ldst.c @@ -45,7 +45,7 @@ static void check_max_alignment(unsigned a_bits) static MemOp tcg_canonicalize_memop(MemOp op, bool is64, bool st) { - unsigned a_bits = get_alignment_bits(op); + unsigned a_bits = memop_alignment_bits(op); check_max_alignment(a_bits); @@ -559,7 +559,7 @@ static void tcg_gen_qemu_ld_i128_int(TCGv_i128 val, TCGTemp *addr, TCGv_i64 ext_addr = NULL; TCGOpcode opc; - check_max_alignment(get_alignment_bits(memop)); + check_max_alignment(memop_alignment_bits(memop)); tcg_gen_req_mo(TCG_MO_LD_LD | TCG_MO_ST_LD); /* In serial mode, reduce atomicity. */ @@ -676,7 +676,7 @@ static void tcg_gen_qemu_st_i128_int(TCGv_i128 val, TCGTemp *addr, TCGv_i64 ext_addr = NULL; TCGOpcode opc; - check_max_alignment(get_alignment_bits(memop)); + check_max_alignment(memop_alignment_bits(memop)); tcg_gen_req_mo(TCG_MO_ST_LD | TCG_MO_ST_ST); /* In serial mode, reduce atomicity. */ diff --git a/tcg/tcg.c b/tcg/tcg.c index 34e3056380..5decd83cf4 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -5506,7 +5506,7 @@ static void tcg_reg_alloc_call(TCGContext *s, TCGOp *op) static TCGAtomAlign atom_and_align_for_opc(TCGContext *s, MemOp opc, MemOp host_atom, bool allow_two_ops) { - MemOp align = get_alignment_bits(opc); + MemOp align = memop_alignment_bits(opc); MemOp size = opc & MO_SIZE; MemOp half = size ? size - 1 : 0; MemOp atom = opc & MO_ATOM_MASK; diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index 3de5f50b62..56072d89a2 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -1587,7 +1587,7 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, MemOp opc, TCGReg datalo, tcg_debug_assert((datalo & 1) == 0); tcg_debug_assert(datahi == datalo + 1); /* LDRD requires alignment; double-check that. */ - if (get_alignment_bits(opc) >= MO_64) { + if (memop_alignment_bits(opc) >= MO_64) { if (h.index < 0) { tcg_out_ldrd_8(s, h.cond, datalo, h.base, 0); break; @@ -1691,7 +1691,7 @@ static void tcg_out_qemu_st_direct(TCGContext *s, MemOp opc, TCGReg datalo, tcg_debug_assert((datalo & 1) == 0); tcg_debug_assert(datahi == datalo + 1); /* STRD requires alignment; double-check that. */ - if (get_alignment_bits(opc) >= MO_64) { + if (memop_alignment_bits(opc) >= MO_64) { if (h.index < 0) { tcg_out_strd_8(s, h.cond, datalo, h.base, 0); } else { diff --git a/tcg/sparc64/tcg-target.c.inc b/tcg/sparc64/tcg-target.c.inc index 176c98740b..32f9ec24b5 100644 --- a/tcg/sparc64/tcg-target.c.inc +++ b/tcg/sparc64/tcg-target.c.inc @@ -1133,7 +1133,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, * Otherwise, test for at least natural alignment and defer * everything else to the helper functions. */ - if (s_bits != get_alignment_bits(opc)) { + if (s_bits != memop_alignment_bits(opc)) { tcg_debug_assert(check_fit_tl(a_mask, 13)); tcg_out_arithi(s, TCG_REG_G0, addr_reg, a_mask, ARITH_ANDCC); From patchwork Sat Oct 5 20:05:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 832994 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1338642wra; Sat, 5 Oct 2024 13:07:47 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCWHH3FdvfYfPuweD2i112AQUdS9hqBQ6pJdLWJedUVtW7k+R+YEOYbLNPuGCyHQKJy6oXj/Jw==@linaro.org X-Google-Smtp-Source: AGHT+IGEfQIJsexAcj4zANnr5HVBtG8EdLmRqKc6Euw5li5xIE25VDnbcRHTk9+qXSBXEe0StQ09 X-Received: by 2002:a05:622a:2606:b0:45d:84a4:cecb with SMTP id d75a77b69052e-45d9ba81526mr117400871cf.35.1728158867478; 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:05 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 05/21] include/exec/memop: Introduce memop_atomicity_bits Date: Sat, 5 Oct 2024 13:05:44 -0700 Message-ID: <20241005200600.493604-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62b.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Split out of mmu_lookup. Signed-off-by: Richard Henderson --- include/exec/memop.h | 24 ++++++++++++++++++++++++ accel/tcg/cputlb.c | 16 ++-------------- 2 files changed, 26 insertions(+), 14 deletions(-) diff --git a/include/exec/memop.h b/include/exec/memop.h index f53bf618c6..b699bf7688 100644 --- a/include/exec/memop.h +++ b/include/exec/memop.h @@ -193,4 +193,28 @@ static inline unsigned memop_alignment_bits(MemOp memop) return a; } +/* + * memop_atomicity_bits: + * @memop: MemOp value + * + * Extract the atomicity size from the memop. + */ +static inline unsigned memop_atomicity_bits(MemOp memop) +{ + unsigned size = memop & MO_SIZE; + + switch (memop & MO_ATOM_MASK) { + case MO_ATOM_NONE: + size = MO_8; + break; + case MO_ATOM_IFALIGN_PAIR: + case MO_ATOM_WITHIN16_PAIR: + size = size ? size - 1 : 0; + break; + default: + break; + } + return size; +} + #endif diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index b5bff220a3..f5fca5a118 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -1751,20 +1751,8 @@ static bool mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, * Device memory type require alignment. */ if (unlikely(flags & TLB_CHECK_ALIGNED)) { - MemOp size = l->memop & MO_SIZE; - - switch (l->memop & MO_ATOM_MASK) { - case MO_ATOM_NONE: - size = MO_8; - break; - case MO_ATOM_IFALIGN_PAIR: - case MO_ATOM_WITHIN16_PAIR: - size = size ? size - 1 : 0; - break; - default: - break; - } - if (addr & ((1 << size) - 1)) { + a_bits = memop_atomicity_bits(l->memop); + if (addr & ((1 << a_bits) - 1)) { cpu_unaligned_access(cpu, addr, type, l->mmu_idx, ra); } } From patchwork Sat Oct 5 20:05:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 832993 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1338535wra; Sat, 5 Oct 2024 13:07:26 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCUh09odA6PuOyXCl9m8OgH21ZSdSAjczil/Wu0YIX8KDCEbiOn9SHrRoH14GpWte0JY6NCVYQ==@linaro.org X-Google-Smtp-Source: AGHT+IH9B9xoZxOlwnPWvh5jvZNlIE+l+ejRuXCjpEc/F7ehEY9oiiPxTu6275GsqvuofmiVxhkd X-Received: by 2002:a05:620a:4048:b0:7a9:af9d:131e with SMTP id af79cd13be357-7ae6f48b894mr1207404485a.49.1728158845913; Sat, 05 Oct 2024 13:07:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158845; cv=none; d=google.com; s=arc-20240605; b=blJYdBvVfUam4pNo5jlSC7LOqWld0UESDMacK8pqZqZJF9Tmt6t0hhPxVxfdBLSV8b xc5usL6Y2Bq79PjpdJ+dd0M4+AAAcHEEtL0D5mNT/bBgi+9QAIFbyp3YC66NyNH+sVUc oZek8ihySEi9ppWFQCMp01BGPHvLVHBP0PTtgoQWmxPxbpQsK/o6H9ad2kfN1Cd3vIgv wbbLrQ5oGe0zUykMykdCMqtai/6khPsD5+3/C8zmHpg84Th+dHnL/eBrTLYdKqHQxCDt EIIKfUHRsoA2807M6fw9uWT1aT0v4TzYOG5eFaSaYxUMVjhdRQPPbexx3IxELJi8eoV+ SDjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=1f/qgYd1hp1mLwoixEUX+NfB0hBePURRnKwRiQEkN3A=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=coJ8gpYYrJh3Z3BXQl82JDZkVd0Kr1/eAk+0IR9alnik9xI9jJJXOoEZ1Z3JSXlaCn RUtoIs0fT9GraTI1N/xfMR003FbSzbrPwL0GNISlQo/O32hBb0jyelvL5mdjfyENROQO +FzyHIiPLDLX+cy7ZQWrU1gWH4uLnkvi9GwwSM1x/p0KmS5po3M0/nQXyWTNEWR+0a7R vRFhtVtSmuAzuu6wSaBrgfiYq7h07CQruObt+2nBGHpQRxIuTr/iey9mWmf3uaJ19yDp GkCOe+cOzwOxLda+ChTyZLnTAA8WrqJW/AW631K2YcTKsMXOyq5m7Aw84s2OBgwCBAyS iIMw==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=fN18sDZk; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:06 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 06/21] hw/core/tcg-cpu-ops: Introduce tlb_fill_align hook Date: Sat, 5 Oct 2024 13:05:45 -0700 Message-ID: <20241005200600.493604-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x632.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Add the hook to struct TCGCPUOps. Add a default implementation that recognizes alignment faults before page faults. Populate all TCGCPUOps structures with the default implementation. Signed-off-by: Richard Henderson --- include/hw/core/tcg-cpu-ops.h | 25 +++++++++++++++++++++++++ accel/tcg/cputlb.c | 19 +++++++++++++++++++ target/alpha/cpu.c | 1 + target/arm/cpu.c | 1 + target/arm/tcg/cpu-v7m.c | 1 + target/avr/cpu.c | 1 + target/hppa/cpu.c | 1 + target/i386/tcg/tcg-cpu.c | 1 + target/loongarch/cpu.c | 1 + target/m68k/cpu.c | 1 + target/microblaze/cpu.c | 1 + target/mips/cpu.c | 1 + target/openrisc/cpu.c | 1 + target/ppc/cpu_init.c | 1 + target/riscv/tcg/tcg-cpu.c | 1 + target/rx/cpu.c | 1 + target/s390x/cpu.c | 1 + target/sh4/cpu.c | 1 + target/sparc/cpu.c | 1 + target/tricore/cpu.c | 1 + target/xtensa/cpu.c | 1 + 21 files changed, 63 insertions(+) diff --git a/include/hw/core/tcg-cpu-ops.h b/include/hw/core/tcg-cpu-ops.h index 34318cf0e6..49420bc93d 100644 --- a/include/hw/core/tcg-cpu-ops.h +++ b/include/hw/core/tcg-cpu-ops.h @@ -13,6 +13,7 @@ #include "exec/breakpoint.h" #include "exec/hwaddr.h" #include "exec/memattrs.h" +#include "exec/memop.h" #include "exec/mmu-access-type.h" #include "exec/vaddr.h" @@ -131,6 +132,21 @@ struct TCGCPUOps { * same function signature. */ bool (*cpu_exec_halt)(CPUState *cpu); + + /** + * @tlb_fill_align: Handle a softmmu tlb miss, and alignment fault + * + * If the access is valid, call tlb_set_page and return true; + * if the access is invalid and probe is true, return false; + * otherwise raise an exception and do not return. + * + * The alignment check is deferred to this hook, so that the + * target can choose to recognize either before or after the + * permission check. + */ + bool (*tlb_fill_align)(CPUState *cpu, vaddr address, MemOp mop, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr); /** * @tlb_fill: Handle a softmmu tlb miss * @@ -234,6 +250,15 @@ void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len, */ int cpu_watchpoint_address_matches(CPUState *cpu, vaddr addr, vaddr len); +/* + * tlb_fill_align_first: + * + * Prioritize alignment faults over page faults. + */ +bool tlb_fill_align_first(CPUState *cpu, vaddr address, MemOp mop, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr); + #endif #endif /* TCG_CPU_OPS_H */ diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index f5fca5a118..4bc34c8a37 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -1565,6 +1565,25 @@ bool tlb_plugin_lookup(CPUState *cpu, vaddr addr, int mmu_idx, } #endif + +/* + * Generic implementation of tlb_fill_align which recognizes + * alignment faults before page faults. + */ +bool tlb_fill_align_first(CPUState *cpu, vaddr addr, MemOp mop, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr) +{ + unsigned a_bits = memop_alignment_bits(mop); + + if (unlikely(addr & ((1 << a_bits) - 1))) { + cpu_unaligned_access(cpu, addr, access_type, mmu_idx, retaddr); + } + + return cpu->cc->tcg_ops->tlb_fill(cpu, addr, size, access_type, + mmu_idx, probe, retaddr); +} + /* * Probe for a load/store operation. * Return the host address and into @flags. diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c index 9db1dffc03..2eb5afd34a 100644 --- a/target/alpha/cpu.c +++ b/target/alpha/cpu.c @@ -217,6 +217,7 @@ static const TCGCPUOps alpha_tcg_ops = { .record_sigsegv = alpha_cpu_record_sigsegv, .record_sigbus = alpha_cpu_record_sigbus, #else + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = alpha_cpu_tlb_fill, .cpu_exec_interrupt = alpha_cpu_exec_interrupt, .cpu_exec_halt = alpha_cpu_has_work, diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 19191c2391..08731ed4e0 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -2663,6 +2663,7 @@ static const TCGCPUOps arm_tcg_ops = { .record_sigsegv = arm_cpu_record_sigsegv, .record_sigbus = arm_cpu_record_sigbus, #else + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = arm_cpu_tlb_fill, .cpu_exec_interrupt = arm_cpu_exec_interrupt, .cpu_exec_halt = arm_cpu_exec_halt, diff --git a/target/arm/tcg/cpu-v7m.c b/target/arm/tcg/cpu-v7m.c index 5496f14dc1..8874fe0e11 100644 --- a/target/arm/tcg/cpu-v7m.c +++ b/target/arm/tcg/cpu-v7m.c @@ -242,6 +242,7 @@ static const TCGCPUOps arm_v7m_tcg_ops = { .record_sigsegv = arm_cpu_record_sigsegv, .record_sigbus = arm_cpu_record_sigbus, #else + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = arm_cpu_tlb_fill, .cpu_exec_interrupt = arm_v7m_cpu_exec_interrupt, .cpu_exec_halt = arm_cpu_exec_halt, diff --git a/target/avr/cpu.c b/target/avr/cpu.c index 3132842d56..6ac4434f1d 100644 --- a/target/avr/cpu.c +++ b/target/avr/cpu.c @@ -211,6 +211,7 @@ static const TCGCPUOps avr_tcg_ops = { .restore_state_to_opc = avr_restore_state_to_opc, .cpu_exec_interrupt = avr_cpu_exec_interrupt, .cpu_exec_halt = avr_cpu_has_work, + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = avr_cpu_tlb_fill, .do_interrupt = avr_cpu_do_interrupt, }; diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c index 7cf2e2f266..3b6c325e09 100644 --- a/target/hppa/cpu.c +++ b/target/hppa/cpu.c @@ -226,6 +226,7 @@ static const TCGCPUOps hppa_tcg_ops = { .restore_state_to_opc = hppa_restore_state_to_opc, #ifndef CONFIG_USER_ONLY + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = hppa_cpu_tlb_fill, .cpu_exec_interrupt = hppa_cpu_exec_interrupt, .cpu_exec_halt = hppa_cpu_has_work, diff --git a/target/i386/tcg/tcg-cpu.c b/target/i386/tcg/tcg-cpu.c index cca19cd40e..83cfb86346 100644 --- a/target/i386/tcg/tcg-cpu.c +++ b/target/i386/tcg/tcg-cpu.c @@ -117,6 +117,7 @@ static const TCGCPUOps x86_tcg_ops = { .record_sigsegv = x86_cpu_record_sigsegv, .record_sigbus = x86_cpu_record_sigbus, #else + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = x86_cpu_tlb_fill, .do_interrupt = x86_cpu_do_interrupt, .cpu_exec_halt = x86_cpu_exec_halt, diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 7212fb5f8f..ae8856d988 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -755,6 +755,7 @@ static const TCGCPUOps loongarch_tcg_ops = { .restore_state_to_opc = loongarch_restore_state_to_opc, #ifndef CONFIG_USER_ONLY + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = loongarch_cpu_tlb_fill, .cpu_exec_interrupt = loongarch_cpu_exec_interrupt, .cpu_exec_halt = loongarch_cpu_has_work, diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c index 1d49f4cb23..295ebd941b 100644 --- a/target/m68k/cpu.c +++ b/target/m68k/cpu.c @@ -534,6 +534,7 @@ static const TCGCPUOps m68k_tcg_ops = { .restore_state_to_opc = m68k_restore_state_to_opc, #ifndef CONFIG_USER_ONLY + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = m68k_cpu_tlb_fill, .cpu_exec_interrupt = m68k_cpu_exec_interrupt, .cpu_exec_halt = m68k_cpu_has_work, diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c index 135947ee80..6e63600631 100644 --- a/target/microblaze/cpu.c +++ b/target/microblaze/cpu.c @@ -411,6 +411,7 @@ static const TCGCPUOps mb_tcg_ops = { .restore_state_to_opc = mb_restore_state_to_opc, #ifndef CONFIG_USER_ONLY + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = mb_cpu_tlb_fill, .cpu_exec_interrupt = mb_cpu_exec_interrupt, .cpu_exec_halt = mb_cpu_has_work, diff --git a/target/mips/cpu.c b/target/mips/cpu.c index 89655b1900..5a36b22256 100644 --- a/target/mips/cpu.c +++ b/target/mips/cpu.c @@ -553,6 +553,7 @@ static const TCGCPUOps mips_tcg_ops = { .restore_state_to_opc = mips_restore_state_to_opc, #if !defined(CONFIG_USER_ONLY) + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = mips_cpu_tlb_fill, .cpu_exec_interrupt = mips_cpu_exec_interrupt, .cpu_exec_halt = mips_cpu_has_work, diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c index 6ec54ad7a6..9223228758 100644 --- a/target/openrisc/cpu.c +++ b/target/openrisc/cpu.c @@ -231,6 +231,7 @@ static const TCGCPUOps openrisc_tcg_ops = { .restore_state_to_opc = openrisc_restore_state_to_opc, #ifndef CONFIG_USER_ONLY + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = openrisc_cpu_tlb_fill, .cpu_exec_interrupt = openrisc_cpu_exec_interrupt, .cpu_exec_halt = openrisc_cpu_has_work, diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 23881d09e9..42a38ec155 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -7482,6 +7482,7 @@ static const TCGCPUOps ppc_tcg_ops = { #ifdef CONFIG_USER_ONLY .record_sigsegv = ppc_cpu_record_sigsegv, #else + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = ppc_cpu_tlb_fill, .cpu_exec_interrupt = ppc_cpu_exec_interrupt, .cpu_exec_halt = ppc_cpu_has_work, diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index dea8ab7a43..42c4ea13af 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -137,6 +137,7 @@ static const TCGCPUOps riscv_tcg_ops = { .restore_state_to_opc = riscv_restore_state_to_opc, #ifndef CONFIG_USER_ONLY + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = riscv_cpu_tlb_fill, .cpu_exec_interrupt = riscv_cpu_exec_interrupt, .cpu_exec_halt = riscv_cpu_has_work, diff --git a/target/rx/cpu.c b/target/rx/cpu.c index 36d2a6f189..27fc372ca4 100644 --- a/target/rx/cpu.c +++ b/target/rx/cpu.c @@ -188,6 +188,7 @@ static const TCGCPUOps rx_tcg_ops = { .initialize = rx_translate_init, .synchronize_from_tb = rx_cpu_synchronize_from_tb, .restore_state_to_opc = rx_restore_state_to_opc, + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = rx_cpu_tlb_fill, #ifndef CONFIG_USER_ONLY diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index 4e41a3dff5..8120ddeb5b 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -363,6 +363,7 @@ static const TCGCPUOps s390_tcg_ops = { .record_sigsegv = s390_cpu_record_sigsegv, .record_sigbus = s390_cpu_record_sigbus, #else + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = s390_cpu_tlb_fill, .cpu_exec_interrupt = s390_cpu_exec_interrupt, .cpu_exec_halt = s390_cpu_has_work, diff --git a/target/sh4/cpu.c b/target/sh4/cpu.c index 8f07261dcf..b03f6dfad8 100644 --- a/target/sh4/cpu.c +++ b/target/sh4/cpu.c @@ -252,6 +252,7 @@ static const TCGCPUOps superh_tcg_ops = { .restore_state_to_opc = superh_restore_state_to_opc, #ifndef CONFIG_USER_ONLY + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = superh_cpu_tlb_fill, .cpu_exec_interrupt = superh_cpu_exec_interrupt, .cpu_exec_halt = superh_cpu_has_work, diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c index 54cb269e0a..da1bfad5f0 100644 --- a/target/sparc/cpu.c +++ b/target/sparc/cpu.c @@ -924,6 +924,7 @@ static const TCGCPUOps sparc_tcg_ops = { .restore_state_to_opc = sparc_restore_state_to_opc, #ifndef CONFIG_USER_ONLY + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = sparc_cpu_tlb_fill, .cpu_exec_interrupt = sparc_cpu_exec_interrupt, .cpu_exec_halt = sparc_cpu_has_work, diff --git a/target/tricore/cpu.c b/target/tricore/cpu.c index 1a26171590..9d8f8f13d2 100644 --- a/target/tricore/cpu.c +++ b/target/tricore/cpu.c @@ -173,6 +173,7 @@ static const TCGCPUOps tricore_tcg_ops = { .initialize = tricore_tcg_init, .synchronize_from_tb = tricore_cpu_synchronize_from_tb, .restore_state_to_opc = tricore_restore_state_to_opc, + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = tricore_cpu_tlb_fill, .cpu_exec_interrupt = tricore_cpu_exec_interrupt, .cpu_exec_halt = tricore_cpu_has_work, diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c index a08c7a0b1f..b0f84403f0 100644 --- a/target/xtensa/cpu.c +++ b/target/xtensa/cpu.c @@ -232,6 +232,7 @@ static const TCGCPUOps xtensa_tcg_ops = { .restore_state_to_opc = xtensa_restore_state_to_opc, #ifndef CONFIG_USER_ONLY + .tlb_fill_align = tlb_fill_align_first, .tlb_fill = xtensa_cpu_tlb_fill, .cpu_exec_interrupt = xtensa_cpu_exec_interrupt, .cpu_exec_halt = xtensa_cpu_has_work, From patchwork Sat Oct 5 20:05:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833010 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1339323wra; Sat, 5 Oct 2024 13:10:15 -0700 (PDT) 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:07 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 07/21] accel/tcg: Use the tlb_fill_align hook Date: Sat, 5 Oct 2024 13:05:46 -0700 Message-ID: <20241005200600.493604-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org When we have a tlb miss, defer the alignment check to the new tlb_fill_align hook. Move the existing alignment check so that we only perform it with a tlb hit. Signed-off-by: Richard Henderson --- accel/tcg/cputlb.c | 89 +++++++++++++++++++++++++--------------------- 1 file changed, 49 insertions(+), 40 deletions(-) diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index 4bc34c8a37..0e6ae65a39 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -1616,14 +1616,14 @@ typedef struct MMULookupLocals { * tlb_fill will longjmp out. Return true if the softmmu tlb for * @mmu_idx may have resized. */ -static bool mmu_lookup1(CPUState *cpu, MMULookupPageData *data, +static bool mmu_lookup1(CPUState *cpu, MMULookupPageData *data, MemOp memop, int mmu_idx, MMUAccessType access_type, uintptr_t ra) { vaddr addr = data->addr; uintptr_t index = tlb_index(cpu, mmu_idx, addr); CPUTLBEntry *entry = tlb_entry(cpu, mmu_idx, addr); uint64_t tlb_addr = tlb_read_idx(entry, access_type); - bool maybe_resized = false; + bool did_tlb_fill = false; CPUTLBEntryFull *full; int flags; @@ -1631,17 +1631,26 @@ static bool mmu_lookup1(CPUState *cpu, MMULookupPageData *data, if (!tlb_hit(tlb_addr, addr)) { if (!victim_tlb_hit(cpu, mmu_idx, index, access_type, addr & TARGET_PAGE_MASK)) { - bool ok = cpu->cc->tcg_ops->tlb_fill(cpu, addr, data->size, - access_type, mmu_idx, - false, ra); + bool ok = cpu->cc->tcg_ops->tlb_fill_align(cpu, addr, memop, + data->size, access_type, + mmu_idx, false, ra); assert(ok); - maybe_resized = true; + did_tlb_fill = true; index = tlb_index(cpu, mmu_idx, addr); entry = tlb_entry(cpu, mmu_idx, addr); } tlb_addr = tlb_read_idx(entry, access_type) & ~TLB_INVALID_MASK; } + if (!did_tlb_fill) { + /* We didn't use tlb_fill_align, so alignment not yet checked. */ + unsigned a_bits = memop_alignment_bits(memop); + + if (unlikely(addr & ((1 << a_bits) - 1))) { + cpu_unaligned_access(cpu, addr, access_type, mmu_idx, ra); + } + } + full = &cpu->neg.tlb.d[mmu_idx].fulltlb[index]; flags = tlb_addr & (TLB_FLAGS_MASK & ~TLB_FORCE_SLOW); flags |= full->slow_flags[access_type]; @@ -1651,7 +1660,7 @@ static bool mmu_lookup1(CPUState *cpu, MMULookupPageData *data, /* Compute haddr speculatively; depending on flags it might be invalid. */ data->haddr = (void *)((uintptr_t)addr + entry->addend); - return maybe_resized; + return did_tlb_fill; } /** @@ -1702,7 +1711,6 @@ static void mmu_watch_or_dirty(CPUState *cpu, MMULookupPageData *data, static bool mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, uintptr_t ra, MMUAccessType type, MMULookupLocals *l) { - unsigned a_bits; bool crosspage; int flags; @@ -1711,12 +1719,6 @@ static bool mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, tcg_debug_assert(l->mmu_idx < NB_MMU_MODES); - /* Handle CPU specific unaligned behaviour */ - a_bits = memop_alignment_bits(l->memop); - if (addr & ((1 << a_bits) - 1)) { - cpu_unaligned_access(cpu, addr, type, l->mmu_idx, ra); - } - l->page[0].addr = addr; l->page[0].size = memop_size(l->memop); l->page[1].addr = (addr + l->page[0].size - 1) & TARGET_PAGE_MASK; @@ -1724,7 +1726,7 @@ static bool mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, crosspage = (addr ^ l->page[1].addr) & TARGET_PAGE_MASK; if (likely(!crosspage)) { - mmu_lookup1(cpu, &l->page[0], l->mmu_idx, type, ra); + mmu_lookup1(cpu, &l->page[0], l->memop, l->mmu_idx, type, ra); flags = l->page[0].flags; if (unlikely(flags & (TLB_WATCHPOINT | TLB_NOTDIRTY))) { @@ -1743,8 +1745,8 @@ static bool mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, * Lookup both pages, recognizing exceptions from either. If the * second lookup potentially resized, refresh first CPUTLBEntryFull. */ - mmu_lookup1(cpu, &l->page[0], l->mmu_idx, type, ra); - if (mmu_lookup1(cpu, &l->page[1], l->mmu_idx, type, ra)) { + mmu_lookup1(cpu, &l->page[0], l->memop, l->mmu_idx, type, ra); + if (mmu_lookup1(cpu, &l->page[1], 0, l->mmu_idx, type, ra)) { uintptr_t index = tlb_index(cpu, l->mmu_idx, addr); l->page[0].full = &cpu->neg.tlb.d[l->mmu_idx].fulltlb[index]; } @@ -1770,7 +1772,7 @@ static bool mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, * Device memory type require alignment. */ if (unlikely(flags & TLB_CHECK_ALIGNED)) { - a_bits = memop_atomicity_bits(l->memop); + unsigned a_bits = memop_atomicity_bits(l->memop); if (addr & ((1 << a_bits) - 1)) { cpu_unaligned_access(cpu, addr, type, l->mmu_idx, ra); } @@ -1788,34 +1790,18 @@ static void *atomic_mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, { uintptr_t mmu_idx = get_mmuidx(oi); MemOp mop = get_memop(oi); - int a_bits = memop_alignment_bits(mop); uintptr_t index; CPUTLBEntry *tlbe; vaddr tlb_addr; void *hostaddr; CPUTLBEntryFull *full; + bool did_tlb_fill = false; tcg_debug_assert(mmu_idx < NB_MMU_MODES); /* Adjust the given return address. */ retaddr -= GETPC_ADJ; - /* Enforce guest required alignment. */ - if (unlikely(a_bits > 0 && (addr & ((1 << a_bits) - 1)))) { - /* ??? Maybe indicate atomic op to cpu_unaligned_access */ - cpu_unaligned_access(cpu, addr, MMU_DATA_STORE, - mmu_idx, retaddr); - } - - /* Enforce qemu required alignment. */ - if (unlikely(addr & (size - 1))) { - /* We get here if guest alignment was not requested, - or was not enforced by cpu_unaligned_access above. - We might widen the access and emulate, but for now - mark an exception and exit the cpu loop. */ - goto stop_the_world; - } - index = tlb_index(cpu, mmu_idx, addr); tlbe = tlb_entry(cpu, mmu_idx, addr); @@ -1824,10 +1810,11 @@ static void *atomic_mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, if (!tlb_hit(tlb_addr, addr)) { if (!victim_tlb_hit(cpu, mmu_idx, index, MMU_DATA_STORE, addr & TARGET_PAGE_MASK)) { - bool ok = cpu->cc->tcg_ops->tlb_fill(cpu, addr, size, - MMU_DATA_STORE, mmu_idx, - false, retaddr); + bool ok = cpu->cc->tcg_ops->tlb_fill_align(cpu, addr, mop, size, + MMU_DATA_STORE, mmu_idx, + false, retaddr); assert(ok); + did_tlb_fill = true; index = tlb_index(cpu, mmu_idx, addr); tlbe = tlb_entry(cpu, mmu_idx, addr); } @@ -1841,8 +1828,8 @@ static void *atomic_mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, * but addr_read will only be -1 if PAGE_READ was unset. */ if (unlikely(tlbe->addr_read == -1)) { - cpu->cc->tcg_ops->tlb_fill(cpu, addr, size, MMU_DATA_LOAD, - mmu_idx, false, retaddr); + cpu->cc->tcg_ops->tlb_fill_align(cpu, addr, mop, size, MMU_DATA_LOAD, + mmu_idx, false, retaddr); /* * Since we don't support reads and writes to different * addresses, and we do have the proper page loaded for @@ -1850,6 +1837,28 @@ static void *atomic_mmu_lookup(CPUState *cpu, vaddr addr, MemOpIdx oi, */ g_assert_not_reached(); } + + /* Enforce guest required alignment, if not handled by tlb_fill_align. */ + if (!did_tlb_fill) { + int a_bits = memop_alignment_bits(mop); + if (unlikely(a_bits > 0 && (addr & ((1 << a_bits) - 1)))) { + /* ??? Maybe indicate atomic op to cpu_unaligned_access */ + cpu_unaligned_access(cpu, addr, MMU_DATA_STORE, + mmu_idx, retaddr); + } + } + + /* Enforce qemu required alignment. */ + if (unlikely(addr & (size - 1))) { + /* + * We get here if guest alignment was not requested, + * or was not enforced by cpu_unaligned_access above. + * We might widen the access and emulate, but for now + * mark an exception and exit the cpu loop. + */ + goto stop_the_world; + } + /* Collect tlb flags for read. */ tlb_addr |= tlbe->addr_read; From patchwork Sat Oct 5 20:05:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833003 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1338919wra; Sat, 5 Oct 2024 13:08:44 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCV+dKqsjDor5DszANa/n4f6+Bm+x81M84VR8jzv9zfxNu5mgiPDVb7mlBND//wHa3FqgtPJIg==@linaro.org X-Google-Smtp-Source: AGHT+IG1o2EL1ppr3JGJvvl0rgkmB7tG1VD4GpDo6FCRKDSrOlQeaMWjAX9FIrrcpBQmAy6MWtQ4 X-Received: by 2002:ac8:590a:0:b0:45c:9c44:ae8e with SMTP id d75a77b69052e-45d8d145716mr193813861cf.22.1728158924136; Sat, 05 Oct 2024 13:08:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158924; cv=none; d=google.com; s=arc-20240605; b=c+gHK4++EAjPjAqKnJWrS1GGPeCh8A5u/cIx2mcUcowhsAQWtBS43RNm0vEpE+7oMy f+U5tegFPAEoWAPfzRBqJhf9TlNSPxMfc8ni1tf0uW/ZtvkPGbySU9JPjSeWhRvLXwY1 fNFecHi1sGFToa4293LU1QRVTY/U2o/ZHzX4txd9sRz2IUVg+803z2edQ8MZBdmds00i T1nxqwN3z7cgjxXlcXMNKwBSNDtJlGqLoh0ISIFshhw9NI7PeeVysJgZ6OEsEYO1XcPy 4yBMugUmnKuk5oNU6jPzyZyupjPWFuceP6trUjnujYJtMc4w4emANFm/LY3bnoNewltF UVyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=MP+WvwE/XecW9wPOVCpjk+gA5jxWiH/v3HQ4ejXK7hQ=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=Pl/0LQCDYsEROwvLxvEyNPZNK1oejHXES0+VO9WFS6hsjtKpi9hOjZBfemxiRynVcG S4yvHq4iQswDuz3LcHBtnXCOP6sFHDCqQ0uwJ5h6zP+bCGDhsMnkJL2o8KkJQ6ql2hCf XC8NjhbyEHLXB0nwqSJicn3CvuMyDEbeIVWrvlGb8Ahovq7GZXBSm/1/2f9oDT5KUej3 rITgzZixaAg8RvJlKf5LbgP4bTcTCXRRMxLf+xyu17zHwFsuMQ8gf4cEweTDe2UGtxLL B1z5VfxdqY3Sl5GLYWVnamivIyf13cfB1mPXeGXj/qfwXO1Ixjdkqd2PYVtnQZyAjTur DYuQ==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=EVLz97HM; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:08 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 08/21] target/hppa: Add MemOp argument to hppa_get_physical_address Date: Sat, 5 Oct 2024 13:05:47 -0700 Message-ID: <20241005200600.493604-9-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62e; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62e.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Just add the argument, unused at this point. Zero is the safe do-nothing value for all callers. Signed-off-by: Richard Henderson --- target/hppa/cpu.h | 2 +- target/hppa/int_helper.c | 2 +- target/hppa/mem_helper.c | 9 +++++---- target/hppa/op_helper.c | 2 +- 4 files changed, 8 insertions(+), 7 deletions(-) diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h index f4e051f176..526855f982 100644 --- a/target/hppa/cpu.h +++ b/target/hppa/cpu.h @@ -369,7 +369,7 @@ bool hppa_cpu_tlb_fill(CPUState *cs, vaddr address, int size, void hppa_cpu_do_interrupt(CPUState *cpu); bool hppa_cpu_exec_interrupt(CPUState *cpu, int int_req); int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, - int type, hwaddr *pphys, int *pprot); + int type, MemOp mop, hwaddr *pphys, int *pprot); void hppa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr, unsigned size, MMUAccessType access_type, diff --git a/target/hppa/int_helper.c b/target/hppa/int_helper.c index 391f32f27d..58695def82 100644 --- a/target/hppa/int_helper.c +++ b/target/hppa/int_helper.c @@ -167,7 +167,7 @@ void hppa_cpu_do_interrupt(CPUState *cs) vaddr = hppa_form_gva_psw(old_psw, env->iasq_f, vaddr); t = hppa_get_physical_address(env, vaddr, MMU_KERNEL_IDX, - 0, &paddr, &prot); + 0, 0, &paddr, &prot); if (t >= 0) { /* We can't re-load the instruction. */ env->cr[CR_IIR] = 0; diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index b984f730aa..a386c80fa4 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -197,7 +197,7 @@ static int match_prot_id64(CPUHPPAState *env, uint32_t access_id) } int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, - int type, hwaddr *pphys, int *pprot) + int type, MemOp mop, hwaddr *pphys, int *pprot) { hwaddr phys; int prot, r_prot, w_prot, x_prot, priv; @@ -340,7 +340,7 @@ hwaddr hppa_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) mmu_idx = (cpu->env.psw & PSW_D ? MMU_KERNEL_IDX : cpu->env.psw & PSW_W ? MMU_ABS_W_IDX : MMU_ABS_IDX); - excp = hppa_get_physical_address(&cpu->env, addr, mmu_idx, 0, + excp = hppa_get_physical_address(&cpu->env, addr, mmu_idx, 0, 0, &phys, &prot); /* Since we're translating for debugging, the only error that is a @@ -438,7 +438,8 @@ bool hppa_cpu_tlb_fill(CPUState *cs, vaddr addr, int size, break; } - excp = hppa_get_physical_address(env, addr, mmu_idx, a_prot, &phys, &prot); + excp = hppa_get_physical_address(env, addr, mmu_idx, a_prot, 0, + &phys, &prot); if (unlikely(excp >= 0)) { if (probe) { return false; @@ -678,7 +679,7 @@ target_ulong HELPER(lpa)(CPUHPPAState *env, target_ulong addr) hwaddr phys; int prot, excp; - excp = hppa_get_physical_address(env, addr, MMU_KERNEL_IDX, 0, + excp = hppa_get_physical_address(env, addr, MMU_KERNEL_IDX, 0, 0, &phys, &prot); if (excp >= 0) { if (excp == EXCP_DTLB_MISS) { diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c index 7f79196fff..744325969f 100644 --- a/target/hppa/op_helper.c +++ b/target/hppa/op_helper.c @@ -334,7 +334,7 @@ target_ulong HELPER(probe)(CPUHPPAState *env, target_ulong addr, } mmu_idx = PRIV_P_TO_MMU_IDX(level, env->psw & PSW_P); - excp = hppa_get_physical_address(env, addr, mmu_idx, 0, &phys, &prot); + excp = hppa_get_physical_address(env, addr, mmu_idx, 0, 0, &phys, &prot); if (excp >= 0) { cpu_restore_state(env_cpu(env), GETPC()); hppa_set_ior_and_isr(env, addr, MMU_IDX_MMU_DISABLED(mmu_idx)); From patchwork Sat Oct 5 20:05:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833001 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1338885wra; Sat, 5 Oct 2024 13:08:37 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCV5pp62MspNgWg683bDnztbL10acud/yayhRT3vIg18+MySDULh4t6UlB/thtb6+8udPmlxHQ==@linaro.org X-Google-Smtp-Source: AGHT+IFYUu5xpnnSCoKdshFNuX42L7e6fc78WAJO1KKoV2NidZrT33wtFJ2Oo+a/FlbiHh2dZb5E X-Received: by 2002:a05:622a:15c4:b0:44f:f271:af63 with SMTP id d75a77b69052e-45d8d145bb4mr189563251cf.21.1728158917773; Sat, 05 Oct 2024 13:08:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158917; cv=none; d=google.com; s=arc-20240605; b=C+6PB5A6CXXt7AlX8MyBw0LBPrg4eov8UDbDFwwWhTPZui3v3W8nKo/R0NUVgQPXfq xqW3ez7dAJn9EBOjA5nQxfywZNEYFOpky0dGDCxux+D+D5AwL9MWF+A2Ye8W+pdAay9o rzQwvVjpyJ+xzfis8XB8R7i4EX9xVzIvQZREcYdop87TxEI2Zr0fD/xk9ynOIssXUT3i oJKLXC3LBCVRJyo5PZNZPSexivSm2sxmc4XxIIASVX62/j/AwNFS6PKVWTDaSaOsE5ll TdvGl5z3gy9/+d9SFHAMmmq6uH+ov9ki8XnF0OvYF2SynVpsXrI0kaL9tSGxtFwW2+5h bnsg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=/wa2JC5GTiuZOa9FUt+c/E5R/4D7wBSs90VoPwelenc=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=ZV0UgGu4/I69TPKojhA70+oDNcBZkah1p+zcw96pXTbHnI9ucUPjprh4n+bGGaete7 FhSyMnq21tOYG6/CR1FKo5OW5sfkqoxZK3dSBMK0tA56CwDvXILCjUbcz8OTRF6B4/w5 hewWSKN24042jkcCmP1B2+AwHzpyiVP2s8sA22Vcz63IkZK8J7G00LKD6Sef7oipRkFu Jwi5qwmT/DqRApVV/IzEBR1KsIcEvp1n42//aVBWx8vDjKJY5Sz054em6iuRrCZmlPk8 /uXgLm0vIy80NmT6X93yGi2SleGeaob8kuUY5Pq/yyLXc8y0i0D+OaBu524F2u6rpzlP hgPQ==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=Oph6G3SG; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:09 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 09/21] target/hppa: Perform access rights before protection id check Date: Sat, 5 Oct 2024 13:05:48 -0700 Message-ID: <20241005200600.493604-10-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52e; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52e.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org In Chapter 5, Interruptions, the group 3 exceptions lists "Data memory access rights trap" in priority order ahead of "Data memory protection ID trap". Swap these checks in hppa_get_physical_address. Signed-off-by: Richard Henderson --- target/hppa/mem_helper.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index a386c80fa4..f027c494e2 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -267,6 +267,12 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, goto egress; } + if (unlikely(!(prot & type))) { + /* Not allowed -- Inst/Data Memory Access Rights Fault. */ + ret = (type & PAGE_EXEC) ? EXCP_IMP : EXCP_DMAR; + goto egress; + } + /* access_id == 0 means public page and no check is performed */ if (ent->access_id && MMU_IDX_TO_P(mmu_idx)) { int access_prot = (hppa_is_pa20(env) @@ -281,12 +287,6 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, prot &= access_prot; } - if (unlikely(!(prot & type))) { - /* Not allowed -- Inst/Data Memory Access Rights Fault. */ - ret = (type & PAGE_EXEC) ? EXCP_IMP : EXCP_DMAR; - goto egress; - } - /* * In priority order, check for conditions which raise faults. * Remove PROT bits that cover the condition we want to check, From patchwork Sat Oct 5 20:05:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833007 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1339185wra; Sat, 5 Oct 2024 13:09:47 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCXUViQXd5Ea6Sa9CrOdWugIQW980vNir/B+L/ihD/KbFXl46eQBeIblZnMMz/qe4N9soy3JQA==@linaro.org X-Google-Smtp-Source: AGHT+IEHDkGf5FWBZ6+ExGy2DFzHyRQjFTAdXGXjigzrCRShYFLnKSReJb1GS4XB0BGNyxF6tegC X-Received: by 2002:a05:620a:1929:b0:7a1:d335:f7a8 with SMTP id af79cd13be357-7ae6f4373d2mr1092497185a.15.1728158986910; Sat, 05 Oct 2024 13:09:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158986; cv=none; d=google.com; s=arc-20240605; b=e59UMxhNKCtCJBrBuzn7FbLE2EYeU7zD3GLM0cBtKMZPZCbHxfCbKe1bmWLqXjQKGJ 8DGlC44uIOegCXXI1ZGe1eNMLVCvZMYPvkl2grMYRpYgr++9KzqTnYkulUa+DhNrVtqi 0+u/RxqaGlIb5kNc7RwfcOOqcvtq0HzRLn7u9Pl5/U8MhObdR/CUng1/u/Lda9P1ZMI5 BSvfTKb/wdE+Q8M5dWFXG0uoV7a/g7RBqiuZCDCP1CTAdzIKWgjz3UZl1lqDYLo0/A5S Bb0uOUyjhjmCG5laaHza/SnOOKzj/pdiNcfEvZrChTReAQ3Wghqqx2j9JYuF9YQtjtZ4 fFSg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=posPbKSzdb+ffX+WhfgYFaW0pAyKjx4IZlbzVQLaTuc=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=fMHtxOZ5xFANf6rimtZRyKCp8jqMM85f3aeTT5H8/xZeKcVF9ZWqIIorS3E1s/JHKk nCyRiQJwB7fD3tHXXUMr9YbFgmhL2lkWPobWAoiAsZcw5PHckIWr1hCw36uhOPpRgb6n plZpZ2ePWJJI++yKY73e4pJrg3aRvSBfaD0EdM3InspuDqbpVbpbhmwEBOkjjzXon5CW Xfe6fMVPJDiWIfofMmmH/igQTmwZrHNV1k6/azWob6U8toXOwgcYEhZrU6+2uvKDzEtf z6QcGtPsTh1D6Ruc0YKFjauRU4+tJ7ccYbrvAxlIrOzOwktNYx67AwC7HYE7mpZWOq2k daxA==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=biJvJf7w; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:10 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 10/21] target/hppa: Fix priority of T, D, and B page faults Date: Sat, 5 Oct 2024 13:05:49 -0700 Message-ID: <20241005200600.493604-11-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62a; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62a.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Drop the 'else' so that ret is overridden with the highest priority fault. Signed-off-by: Richard Henderson --- target/hppa/mem_helper.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index f027c494e2..f71cedd7a9 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -288,7 +288,7 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, } /* - * In priority order, check for conditions which raise faults. + * In reverse priority order, check for conditions which raise faults. * Remove PROT bits that cover the condition we want to check, * so that the resulting PROT will force a re-check of the * architectural TLB entry for the next access. @@ -299,13 +299,15 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, /* The T bit is set -- Page Reference Fault. */ ret = EXCP_PAGE_REF; } - } else if (!ent->d) { + } + if (unlikely(!ent->d)) { prot &= PAGE_READ | PAGE_EXEC; if (type & PAGE_WRITE) { /* The D bit is not set -- TLB Dirty Bit Fault. */ ret = EXCP_TLB_DIRTY; } - } else if (unlikely(ent->b)) { + } + if (unlikely(ent->b)) { prot &= PAGE_READ | PAGE_EXEC; if (type & PAGE_WRITE) { /* From patchwork Sat Oct 5 20:05:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833008 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1339296wra; Sat, 5 Oct 2024 13:10:10 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCUdKMhLjH3lsnMQC5ERpymAmiTuPpg9XYgd7t4mvmCJL9tfv5kGQG6a/D8TwT0VS4HN9h63Wg==@linaro.org X-Google-Smtp-Source: AGHT+IGfwZjUpbrguFgC84Jnv0Odgo7zHlIRMvHoHXgHd9ihs+NkRAZChzOg7B4xmDLcXuLGT+RP X-Received: by 2002:a05:622a:142:b0:459:a824:a1c2 with SMTP id d75a77b69052e-45d9badbcdfmr115073431cf.22.1728159010021; Sat, 05 Oct 2024 13:10:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728159010; cv=none; d=google.com; s=arc-20240605; b=lUDdJBpUK2t9POasL7ycBBBz5BZP0i42JUNpAm6Ys/ZFBXcLOPxAiEeXt5tn89L0qX EOFujdAiuOT+DFhEBqJ2OBTPzXegf+W1+wPwNA8bPYeBBSjtIZc/9q81Kzc7v4KxbBQe I7+9fWBRqL9ze8PcMOekNZe5S+8Og/I0UpRGbCSCjZ/mvK84wLm9TGFsVeO5/2VCQLF/ fWb7aVn2TbqZhzzY4FSWrEOBgeD6NlLZinsBXk1b1wC42WbrR7Eh2KxyXQu5rVHWwKYU 6mFH3xGnRUOJuvx3vJSkr+lshkRBvtbw94lErU+aIwpXe7/Spc2bO23jIegm3dypYoLZ mUWQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=TZFSB9ZUy/VXACo96L3HUXARpyVU9ywq9XNxX+p9inM=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=AzR792aB/ivvxdSR7f5Y+1WpgTV7Z2EMdplDzXCn8EbwatyryYn8tWuXxp3X1xuQ0i ceUONJD7KZy7ctbaOGlKopa6crY44IoJ/MkUoFp/QbgaOEsTY8L3aVDgpO7O923m/Rw3 zoTbsiOIvSdHNKyPfq/wOqItakVy0+yERyqF8nMkIMJM2+c6n2lgLLqBUyTzvqPghyRO 2d+vhA6oxMQNhqUB3eGXEGFklSicgi/nGGNWWKsTpkXiOOj48XmGRnMIkESOBjhnWLre xo0cq9HLSjeK40Rl6r7BJ6m68JOA3GlTHw4nvkeQ0ttR9xnesCzYndk7nQCOsmAFiVM0 9u4A==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=q8PjW6Iz; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:11 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 11/21] target/hppa: Handle alignment faults in hppa_get_physical_address Date: Sat, 5 Oct 2024 13:05:50 -0700 Message-ID: <20241005200600.493604-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org In Chapter 5, Interruptions, the group 3 exceptions lists "Unaligned data reference trap" has higher priority than "Data memory break trap". Signed-off-by: Richard Henderson --- target/hppa/mem_helper.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index f71cedd7a9..d38054da8a 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -221,7 +221,7 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, g_assert_not_reached(); } prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; - goto egress; + goto egress_align; } /* Find a valid tlb entry that matches the virtual address. */ @@ -323,6 +323,11 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, } } + egress_align: + if (addr & ((1u << memop_alignment_bits(mop)) - 1)) { + ret = EXCP_UNALIGN; + } + egress: *pphys = phys; *pprot = prot; From patchwork Sat Oct 5 20:05:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833002 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1338886wra; Sat, 5 Oct 2024 13:08:38 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCVnOBeGoDq+s/o7RlHahEj5Ry/SUvv+tFL8IGOEZxXT71Lib+nB3dYjfKVEBoANZlgp1JoMGA==@linaro.org X-Google-Smtp-Source: AGHT+IH/Qze3chToc/eWB/TwqmrUm/nuBKHBRP+mvzUR9kTQFvVCcPAzeLOVCyOtCPQNPuTkRHlS X-Received: by 2002:a05:6214:5906:b0:6c5:73b1:700a with SMTP id 6a1803df08f44-6cb9a482949mr119513076d6.46.1728158917782; Sat, 05 Oct 2024 13:08:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158917; cv=none; d=google.com; s=arc-20240605; b=OsLPHwfCO4pjtDPenGLD6Warw3Qz13gtz/qNdHysrTQTmdWSqJuWt8P+rjUeM3g1oy DF1ocbeewkMXuds9ZlAOA6LhYGujjyUPpJA64cCIvxfYb3KnChyOPiSQHBZarDKDdyjo KLqAMhM2/KXd3pI/nDrP9J2a2Oq2pNPxRakqZcLA6lqqM6qTqH/+y6PDZUnNH4sVF6Pv AjqGQpdACBd3biLdiyp/fqhgZt8vbTtADG2ZM3oyjno92YjAvbD9MRL229D2EmvnkZ7w EipzlgrHc7yjmeD12Y29z5rPOXLcNBJJ1pqhiwSd5hL+zgzKP5yX12gZWocrx0wbtMe4 q4EA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=Rc7m2CC+o/vfg9459Vx/ro/giFzSXc14VGjLvy+03yM=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=gOJjBlmKNMCWxcRz0qvjcq/fA4zGsHm8oioLe0whVfICiSjHyVvXXpKYW7xZmq+t9C oiiNoGJtyRtfK1gfn8e0JsTv6q0dilpWa3FPhWjELCMBrf8CNn+zNoIRhhjUwwSX7JpO iNx225vYjZiFa2/C1f5u7oWiM4ncHgDoDczrXP1PQ1DV+2YfbisScBZXAZkofNxc7sI7 06EblMxRFePR0tpXuA7fj9/96FioJmXFhrXb0x6gR8yEnoIcTUA52RVIiUkyv5U4hDcF EJVFRvJS7qCP/iwNfk1o1NSRcojfretkPcLIA008kIoFWPA4O95A8C30MwoxFqb+79rC QrLg==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=ZC78gVrH; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:12 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 12/21] target/hppa: Add hppa_cpu_tlb_fill_align Date: Sat, 5 Oct 2024 13:05:51 -0700 Message-ID: <20241005200600.493604-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::630; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x630.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Fill in the tlb_fill_align hook, so that we can recognize alignment exceptions in the correct priority order. Signed-off-by: Richard Henderson --- target/hppa/cpu.h | 3 +++ target/hppa/cpu.c | 2 +- target/hppa/mem_helper.c | 16 ++++++++++++---- 3 files changed, 16 insertions(+), 5 deletions(-) diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h index 526855f982..c0567ce0ab 100644 --- a/target/hppa/cpu.h +++ b/target/hppa/cpu.h @@ -366,6 +366,9 @@ void hppa_set_ior_and_isr(CPUHPPAState *env, vaddr addr, bool mmu_disabled); bool hppa_cpu_tlb_fill(CPUState *cs, vaddr address, int size, MMUAccessType access_type, int mmu_idx, bool probe, uintptr_t retaddr); +bool hppa_cpu_tlb_fill_align(CPUState *cs, vaddr address, MemOp mop, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr); void hppa_cpu_do_interrupt(CPUState *cpu); bool hppa_cpu_exec_interrupt(CPUState *cpu, int int_req); int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c index 3b6c325e09..768abc6e5d 100644 --- a/target/hppa/cpu.c +++ b/target/hppa/cpu.c @@ -226,7 +226,7 @@ static const TCGCPUOps hppa_tcg_ops = { .restore_state_to_opc = hppa_restore_state_to_opc, #ifndef CONFIG_USER_ONLY - .tlb_fill_align = tlb_fill_align_first, + .tlb_fill_align = hppa_cpu_tlb_fill_align, .tlb_fill = hppa_cpu_tlb_fill, .cpu_exec_interrupt = hppa_cpu_exec_interrupt, .cpu_exec_halt = hppa_cpu_has_work, diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index d38054da8a..35e9170bf3 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -424,9 +424,9 @@ void hppa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, } } -bool hppa_cpu_tlb_fill(CPUState *cs, vaddr addr, int size, - MMUAccessType type, int mmu_idx, - bool probe, uintptr_t retaddr) +bool hppa_cpu_tlb_fill_align(CPUState *cs, vaddr addr, MemOp mop, int size, + MMUAccessType type, int mmu_idx, + bool probe, uintptr_t retaddr) { HPPACPU *cpu = HPPA_CPU(cs); CPUHPPAState *env = &cpu->env; @@ -445,7 +445,7 @@ bool hppa_cpu_tlb_fill(CPUState *cs, vaddr addr, int size, break; } - excp = hppa_get_physical_address(env, addr, mmu_idx, a_prot, 0, + excp = hppa_get_physical_address(env, addr, mmu_idx, a_prot, mop, &phys, &prot); if (unlikely(excp >= 0)) { if (probe) { @@ -473,6 +473,14 @@ bool hppa_cpu_tlb_fill(CPUState *cs, vaddr addr, int size, return true; } +bool hppa_cpu_tlb_fill(CPUState *cs, vaddr addr, int size, + MMUAccessType type, int mmu_idx, + bool probe, uintptr_t retaddr) +{ + return hppa_cpu_tlb_fill_align(cs, addr, 0, size, type, + mmu_idx, probe, retaddr); +} + /* Insert (Insn/Data) TLB Address. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:13 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 13/21] target/arm: Pass MemOp to get_phys_addr Date: Sat, 5 Oct 2024 13:05:52 -0700 Message-ID: <20241005200600.493604-14-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::630; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x630.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Zero is the safe do-nothing value for callers to use. Signed-off-by: Richard Henderson --- target/arm/internals.h | 3 ++- target/arm/ptw.c | 2 +- target/arm/tcg/m_helper.c | 8 ++++---- target/arm/tcg/tlb_helper.c | 2 +- 4 files changed, 8 insertions(+), 7 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index 1e5da81ce9..2b16579fa5 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1432,6 +1432,7 @@ typedef struct GetPhysAddrResult { * @env: CPUARMState * @address: virtual address to get physical address for * @access_type: 0 for read, 1 for write, 2 for execute + * @memop: memory operation feeding this access, or 0 for none * @mmu_idx: MMU index indicating required translation regime * @result: set on translation success. * @fi: set to fault info if the translation fails @@ -1450,7 +1451,7 @@ typedef struct GetPhysAddrResult { * value. */ bool get_phys_addr(CPUARMState *env, vaddr address, - MMUAccessType access_type, ARMMMUIdx mmu_idx, + MMUAccessType access_type, MemOp memop, ARMMMUIdx mmu_idx, GetPhysAddrResult *result, ARMMMUFaultInfo *fi) __attribute__((nonnull)); diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 659855133c..373095a339 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -3572,7 +3572,7 @@ bool get_phys_addr_with_space_nogpc(CPUARMState *env, vaddr address, } bool get_phys_addr(CPUARMState *env, vaddr address, - MMUAccessType access_type, ARMMMUIdx mmu_idx, + MMUAccessType access_type, MemOp memop, ARMMMUIdx mmu_idx, GetPhysAddrResult *result, ARMMMUFaultInfo *fi) { S1Translate ptw = { diff --git a/target/arm/tcg/m_helper.c b/target/arm/tcg/m_helper.c index 23d7f73035..f7354f3c6e 100644 --- a/target/arm/tcg/m_helper.c +++ b/target/arm/tcg/m_helper.c @@ -222,7 +222,7 @@ static bool v7m_stack_write(ARMCPU *cpu, uint32_t addr, uint32_t value, int exc; bool exc_secure; - if (get_phys_addr(env, addr, MMU_DATA_STORE, mmu_idx, &res, &fi)) { + if (get_phys_addr(env, addr, MMU_DATA_STORE, 0, mmu_idx, &res, &fi)) { /* MPU/SAU lookup failed */ if (fi.type == ARMFault_QEMU_SFault) { if (mode == STACK_LAZYFP) { @@ -311,7 +311,7 @@ static bool v7m_stack_read(ARMCPU *cpu, uint32_t *dest, uint32_t addr, bool exc_secure; uint32_t value; - if (get_phys_addr(env, addr, MMU_DATA_LOAD, mmu_idx, &res, &fi)) { + if (get_phys_addr(env, addr, MMU_DATA_LOAD, 0, mmu_idx, &res, &fi)) { /* MPU/SAU lookup failed */ if (fi.type == ARMFault_QEMU_SFault) { qemu_log_mask(CPU_LOG_INT, @@ -2009,7 +2009,7 @@ static bool v7m_read_half_insn(ARMCPU *cpu, ARMMMUIdx mmu_idx, bool secure, "...really SecureFault with SFSR.INVEP\n"); return false; } - if (get_phys_addr(env, addr, MMU_INST_FETCH, mmu_idx, &res, &fi)) { + if (get_phys_addr(env, addr, MMU_INST_FETCH, 0, mmu_idx, &res, &fi)) { /* the MPU lookup failed */ env->v7m.cfsr[env->v7m.secure] |= R_V7M_CFSR_IACCVIOL_MASK; armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_MEM, env->v7m.secure); @@ -2045,7 +2045,7 @@ static bool v7m_read_sg_stack_word(ARMCPU *cpu, ARMMMUIdx mmu_idx, ARMMMUFaultInfo fi = {}; uint32_t value; - if (get_phys_addr(env, addr, MMU_DATA_LOAD, mmu_idx, &res, &fi)) { + if (get_phys_addr(env, addr, MMU_DATA_LOAD, 0, mmu_idx, &res, &fi)) { /* MPU/SAU lookup failed */ if (fi.type == ARMFault_QEMU_SFault) { qemu_log_mask(CPU_LOG_INT, diff --git a/target/arm/tcg/tlb_helper.c b/target/arm/tcg/tlb_helper.c index 885bf4ec14..1d8b7bcaa2 100644 --- a/target/arm/tcg/tlb_helper.c +++ b/target/arm/tcg/tlb_helper.c @@ -344,7 +344,7 @@ bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, * return false. Otherwise populate fsr with ARM DFSR/IFSR fault * register format, and signal the fault. */ - ret = get_phys_addr(&cpu->env, address, access_type, + ret = get_phys_addr(&cpu->env, address, access_type, 0, core_to_arm_mmu_idx(&cpu->env, mmu_idx), &res, fi); if (likely(!ret)) { From patchwork Sat Oct 5 20:05:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833005 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1339124wra; Sat, 5 Oct 2024 13:09:33 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCV2NH2D5qt1wLVG+5demdhB6vPSD6x6TdmVc3Z/4nd30JKGszuUsSvNbzJKtzvccS9TMbUiFw==@linaro.org X-Google-Smtp-Source: AGHT+IExoAuDZdcAH0mrfpBsI9yst7YVkdw7UJ/L1otvZKP8GlZN7/kGBlbiyZlXnjPSdbYv1gnJ X-Received: by 2002:a05:6214:226a:b0:6cb:55e4:54d5 with SMTP id 6a1803df08f44-6cb9011ee5dmr201084106d6.10.1728158973270; Sat, 05 Oct 2024 13:09:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158973; cv=none; d=google.com; s=arc-20240605; b=MEb2nXXYYl8nNLZoNf9iPu6JQ91VFSfLKhuABwU39trqvIqjj/liZ0kFncjg13jwOq B+DosJVl7TjCXqxjGCbZRdlFd8e7RJPeeygMlCThK3CCoQW9SZ5x9QFa5iXI4nacdE7U r53E5R56PcUw1EaZQFQ8IB651GLUa3MdIdK+AXEhe3bYC5GcxeZMYFUWrqxsxXAhSDbc y/LMCF80SkFFYKEmnMIGNPCdpf3eVe8YMqaCvGHn2xl957B+xKMWGm6rKKphvidhoaVN IEZxMXYCPcDM8f8/Ccrw9OFs7hVnjz3AHAJyRCKDjqXrWH0wZ20RvUMDEjgquCKtL1zQ KxVQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=or+46uGq1e2/GbDMKkBXfTr+x8kd8hih+f1GC2rPQFE=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=K+JlG2cxvzO7b3DZCrKUurzgTv9GtC4sc6mMogF/pEOpcviEP4MY81EfyeCyR3LNT6 wiEkbEvZJODE9K+A7hkWL+dzh9fGNJ1AsvQNuYdgO6VY4lMKaMu7mzKIGyLB/lFRuUpe LmJIx6AjX0S+qt5Pb3rSboEmVLx0kyxzElzM5MTUd8f5H7n42rhJZwOm0oZhdhMqcnlb 6roObDtto+X3mZnG4PffBxqV5ryH4rH6Hq0obU61IRlsQLHeZS1eXhXem0uK3w+luki8 0ZnuQi3EtHx0YXC13Hz4UKyYCyXBZwUJpqLbDNCQAw114ygb7XvOvAl2F6uKAxurOZyE 5nTA==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=ALs6xGQZ; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:14 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 14/21] target/arm: Pass MemOp to get_phys_addr_with_space_nogpc Date: Sat, 5 Oct 2024 13:05:53 -0700 Message-ID: <20241005200600.493604-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::634; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x634.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Zero is the safe do-nothing value for callers to use. Signed-off-by: Richard Henderson --- target/arm/internals.h | 3 ++- target/arm/helper.c | 4 ++-- target/arm/ptw.c | 2 +- 3 files changed, 5 insertions(+), 4 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index 2b16579fa5..a6088d551c 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1461,6 +1461,7 @@ bool get_phys_addr(CPUARMState *env, vaddr address, * @env: CPUARMState * @address: virtual address to get physical address for * @access_type: 0 for read, 1 for write, 2 for execute + * @memop: memory operation feeding this access, or 0 for none * @mmu_idx: MMU index indicating required translation regime * @space: security space for the access * @result: set on translation success. @@ -1470,7 +1471,7 @@ bool get_phys_addr(CPUARMState *env, vaddr address, * a Granule Protection Check on the resulting address. */ bool get_phys_addr_with_space_nogpc(CPUARMState *env, vaddr address, - MMUAccessType access_type, + MMUAccessType access_type, MemOp memop, ARMMMUIdx mmu_idx, ARMSecuritySpace space, GetPhysAddrResult *result, ARMMMUFaultInfo *fi) diff --git a/target/arm/helper.c b/target/arm/helper.c index 3f77b40734..f2f329e00a 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -3602,8 +3602,8 @@ static uint64_t do_ats_write(CPUARMState *env, uint64_t value, * I_MXTJT: Granule protection checks are not performed on the final address * of a successful translation. */ - ret = get_phys_addr_with_space_nogpc(env, value, access_type, mmu_idx, ss, - &res, &fi); + ret = get_phys_addr_with_space_nogpc(env, value, access_type, 0, + mmu_idx, ss, &res, &fi); /* * ATS operations only do S1 or S1+S2 translations, so we never diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 373095a339..9af86da597 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -3559,7 +3559,7 @@ static bool get_phys_addr_gpc(CPUARMState *env, S1Translate *ptw, } bool get_phys_addr_with_space_nogpc(CPUARMState *env, vaddr address, - MMUAccessType access_type, + MMUAccessType access_type, MemOp memop, ARMMMUIdx mmu_idx, ARMSecuritySpace space, GetPhysAddrResult *result, ARMMMUFaultInfo *fi) From patchwork Sat Oct 5 20:05:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833013 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1339410wra; Sat, 5 Oct 2024 13:10:35 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCXc++ScS3zmXCZhZ96U0AJYZfOInTfAEobJ4cbupFmzumuSHmLlbnhq2mAkByIS28bRB6eEIA==@linaro.org X-Google-Smtp-Source: AGHT+IEL71K8J2xg678sQy0j6zJjkUnMI5nYO1tm2Kh5nkG0l86Jkyu4ulAMvsVAuNJ9lwh45S7e X-Received: by 2002:a05:620a:28c5:b0:79f:b3d:bed1 with SMTP id af79cd13be357-7ae6f488303mr1120733285a.49.1728159034986; Sat, 05 Oct 2024 13:10:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728159034; cv=none; d=google.com; s=arc-20240605; b=fA1JMTkaQsZdq4wzPT3g4X79hyIwoSjuAyViuptoKCQ7gIrT3QBWETQGiZkqtJxxXK KfCPSPDvVDpuJ/bxUklFq9bF6qX87j++vmigBZstRWs6xxdTSms9sqrwJGrmeod1Gjzl smYFc7XvA7gt1bGRnv+1bOCH6Ncq9pDgmt/J2NPWt6IteZyDEHKxliH2GcjSlbZzm+9W XWwnGjUamu6yf0QXnU0ZsvAWa9uuXEsameZuvCiJEYSy36Ai7FkRRVBv5+K8xCqkb/PD /3+4ZlMlnJUpcgmq2iUd3g/Yb9niRCBz/+TOtQuKjEWyigviMDrXKuk0S8HucKenMi0h f/9A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=4X5zP7zXx4H0vSkmfgBSYylbUDArgVMPw2dfqzvhfaA=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=ERDZukG0aQQzXcbbvgrQyrECllDKdGRSX/qTjvKpI0KG2hu9bsvhOn00qhIG9MvVFZ lRy8OgaprlY8+meQl1USmWuXJjR4xO0AKVBPK3tEx7RmCfrg2Q3PTqh3qRTL3SeCBsR0 bys73WHdgUk7xoCulM9Phxv18ozIXpVJ+gL50PIaAa8TGaDf63ih809WiLQz4NdFlhXY 6t+Pjp9qQjs6tMNdHKPO2gczxOFQK5z9LI58NUMlE2Fd7PGde1cb1Bondq+FY193CZh/ cXbdFj/aYkGegBhvPzVGONzTS2wLUmep+SQlM0FIe5YZW/UkaY1fsnJfX7Yf0ShtHWM2 C+Hw==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=sgwEB8Uh; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:15 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 15/21] target/arm: Pass MemOp to get_phys_addr_gpc Date: Sat, 5 Oct 2024 13:05:54 -0700 Message-ID: <20241005200600.493604-16-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62f.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Zero is the safe do-nothing value for callers to use. Pass the value through from get_phys_addr. Signed-off-by: Richard Henderson --- target/arm/ptw.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 9af86da597..e92537d8f2 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -81,7 +81,7 @@ static bool get_phys_addr_nogpc(CPUARMState *env, S1Translate *ptw, static bool get_phys_addr_gpc(CPUARMState *env, S1Translate *ptw, vaddr address, - MMUAccessType access_type, + MMUAccessType access_type, MemOp memop, GetPhysAddrResult *result, ARMMMUFaultInfo *fi); @@ -579,7 +579,7 @@ static bool S1_ptw_translate(CPUARMState *env, S1Translate *ptw, }; GetPhysAddrResult s2 = { }; - if (get_phys_addr_gpc(env, &s2ptw, addr, MMU_DATA_LOAD, &s2, fi)) { + if (get_phys_addr_gpc(env, &s2ptw, addr, MMU_DATA_LOAD, 0, &s2, fi)) { goto fail; } @@ -3543,7 +3543,7 @@ static bool get_phys_addr_nogpc(CPUARMState *env, S1Translate *ptw, static bool get_phys_addr_gpc(CPUARMState *env, S1Translate *ptw, vaddr address, - MMUAccessType access_type, + MMUAccessType access_type, MemOp memop, GetPhysAddrResult *result, ARMMMUFaultInfo *fi) { @@ -3641,7 +3641,8 @@ bool get_phys_addr(CPUARMState *env, vaddr address, } ptw.in_space = ss; - return get_phys_addr_gpc(env, &ptw, address, access_type, result, fi); + return get_phys_addr_gpc(env, &ptw, address, access_type, + memop, result, fi); } hwaddr arm_cpu_get_phys_page_attrs_debug(CPUState *cs, vaddr addr, @@ -3660,7 +3661,7 @@ hwaddr arm_cpu_get_phys_page_attrs_debug(CPUState *cs, vaddr addr, ARMMMUFaultInfo fi = {}; bool ret; - ret = get_phys_addr_gpc(env, &ptw, addr, MMU_DATA_LOAD, &res, &fi); + ret = get_phys_addr_gpc(env, &ptw, addr, MMU_DATA_LOAD, 0, &res, &fi); *attrs = res.f.attrs; if (ret) { From patchwork Sat Oct 5 20:05:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 832997 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1338737wra; Sat, 5 Oct 2024 13:08:07 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCXZdtAGUprqkPTb1RVS0CEiarQZHHQ+ktvfMS3TM3Kj66PRM6ZBMnUMV9CCVopVVAHEbJrTcQ==@linaro.org X-Google-Smtp-Source: AGHT+IHMVgV5u0g+9ADvRnI4OsvnIsSuqCYbC7RCb2oTw628LUE+48QBFJVQD9LrehM4DX+ON2Q4 X-Received: by 2002:a05:620a:248b:b0:7a9:bb8e:cd9b with SMTP id af79cd13be357-7ae6f49da34mr1163598185a.58.1728158886804; Sat, 05 Oct 2024 13:08:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158886; cv=none; d=google.com; s=arc-20240605; b=PZsz9ljBHw2cRD1Q0jb1dXnTWoyb3wv+KApJmQXiSFn+eq43yBraUaL+AtbXnWtDj9 l8A1bdx9ef1YNG5QFxWmvi8ePTvFSl6QrWw2KJ8exjMuho8diQF8IK85JGEzvWrjHrN4 8OBLyer1To4zmMZLyRWlNNjiZgFabr6LUjJdBrys0IjwnZf6bJtFwSBQyFdT4la3y6a4 zvTEcXTteFtZTx7c/MZvDP5L5Ml/2jaFpgIytvybj9ZeT4q4U9GL/S5ZytZhO86GS+SQ k5AuAovyMyUkvOZY0NZh0GYznYinu+Xb+pI8iWVX53iofLpE8QixTUlHJTcW7fngDE1M JJZg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=3KXMhwqlNY3FEn9X64ijA0SceY+BOiTFnpHj8/s1p5o=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=iAkwWi36IYeCELeYhG0/px7DPxgwCI3R5YgIon36W/9DvW4jaZaY4+MsfyfUb5EBLc ixhcc2kWnLVudNAOdWZRnedbXVvXFdAsxF5sfVbOhq6Y1CQvk/MOeSDhIYiLs0TxSQR6 lhfYrmp0xxMF6IyUju9MkZCXzq3BpkrupruMS2XEO+i/jqljF1YNg8DWCkcQcOIFviKl aYmNI1c81koEwKxv4nYtEQXdnZ5joAT6Hohhdt/WZt6hTO8dJXA58M6K9WFAvWl72U71 UZqRESzCeh2Fj/IUXtMdtu9k8ZdunKVwSpMysgbYnKq/89esHzO4rtLgADUvP7VO+gTJ Xakg==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=vrb6jEE0; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:16 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 16/21] target/arm: Pass MemOp to get_phys_addr_nogpc Date: Sat, 5 Oct 2024 13:05:55 -0700 Message-ID: <20241005200600.493604-17-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::631; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x631.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Zero is the safe do-nothing value for callers to use. Pass the value through from get_phys_addr_gpc and get_phys_addr_with_space_nogpc. Signed-off-by: Richard Henderson --- target/arm/ptw.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index e92537d8f2..0445c3ccf3 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -75,7 +75,7 @@ typedef struct S1Translate { static bool get_phys_addr_nogpc(CPUARMState *env, S1Translate *ptw, vaddr address, - MMUAccessType access_type, + MMUAccessType access_type, MemOp memop, GetPhysAddrResult *result, ARMMMUFaultInfo *fi); @@ -3313,7 +3313,7 @@ static bool get_phys_addr_twostage(CPUARMState *env, S1Translate *ptw, ARMSecuritySpace ipa_space; uint64_t hcr; - ret = get_phys_addr_nogpc(env, ptw, address, access_type, result, fi); + ret = get_phys_addr_nogpc(env, ptw, address, access_type, 0, result, fi); /* If S1 fails, return early. */ if (ret) { @@ -3339,7 +3339,7 @@ static bool get_phys_addr_twostage(CPUARMState *env, S1Translate *ptw, cacheattrs1 = result->cacheattrs; memset(result, 0, sizeof(*result)); - ret = get_phys_addr_nogpc(env, ptw, ipa, access_type, result, fi); + ret = get_phys_addr_nogpc(env, ptw, ipa, access_type, 0, result, fi); fi->s2addr = ipa; /* Combine the S1 and S2 perms. */ @@ -3406,7 +3406,7 @@ static bool get_phys_addr_twostage(CPUARMState *env, S1Translate *ptw, static bool get_phys_addr_nogpc(CPUARMState *env, S1Translate *ptw, vaddr address, - MMUAccessType access_type, + MMUAccessType access_type, MemOp memop, GetPhysAddrResult *result, ARMMMUFaultInfo *fi) { @@ -3547,7 +3547,8 @@ static bool get_phys_addr_gpc(CPUARMState *env, S1Translate *ptw, GetPhysAddrResult *result, ARMMMUFaultInfo *fi) { - if (get_phys_addr_nogpc(env, ptw, address, access_type, result, fi)) { + if (get_phys_addr_nogpc(env, ptw, address, access_type, + memop, result, fi)) { return true; } if (!granule_protection_check(env, result->f.phys_addr, @@ -3568,7 +3569,8 @@ bool get_phys_addr_with_space_nogpc(CPUARMState *env, vaddr address, .in_mmu_idx = mmu_idx, .in_space = space, }; - return get_phys_addr_nogpc(env, &ptw, address, access_type, result, fi); + return get_phys_addr_nogpc(env, &ptw, address, access_type, + memop, result, fi); } bool get_phys_addr(CPUARMState *env, vaddr address, From patchwork Sat Oct 5 20:05:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833000 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1338881wra; Sat, 5 Oct 2024 13:08:37 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCUPqVkX6uGq+Ho6eb04w30ZCDuuwzIAUUMEOaa/eBOhsLvYgNZMKGgQQAW3SNJW8+TuIXCIPQ==@linaro.org X-Google-Smtp-Source: AGHT+IEqMvyg0USWjIeFV+uqFQcOLcu9VPn9ShqqdnencNl5JKpO0YNFS/za4klb8tE4iWvQjsB0 X-Received: by 2002:a05:620a:1aa8:b0:7a9:b20d:cfe7 with SMTP id af79cd13be357-7ae6f444983mr1260055385a.15.1728158917160; Sat, 05 Oct 2024 13:08:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158917; cv=none; d=google.com; s=arc-20240605; b=GkvVyTaB0sPFTf5fvTis1x8I5qQD61DRWVAYBL9UNe+pea2ZwB+Yl9OSt0m9Z19xUm kO+QNQuCuZ90d23tSoo8izsgdAN5EcsAi0jac2PaPfj1S94AO2wLlBR7DcJY1jYs76tz 1RDUJrsiR2oWAcoMjFggAm95HW3XMAZYlQTXF7rsQnkA0ftoLCJFfClJiqONv13/y7dn hlriiWusWinJ9sndBPevX8GiWclkCCWSi+fcrAUhgXTuSlIZVhx8IJ03uyHA3iPOC8iV 20xe5eqGyGVWHrl6eMrGxIND/JWCQywKgfANjr9sWdl2xJ/j5CWP2P4z6AFwBg2f+FIM e4Dg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=oB3S/z+Tf/YurYPbjZAkQ2iOmy2pkllXkguo9aONGm0=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=a8dVl0geX+V8OSIsB7b36l6ayvENt50JOHdrmUeE5skL3LCP1vP06NVpgxnUPOSHPx RvFuL0iidDRVifBoN3brpfyuR2237IX8czF4Nsjd2JtnbEAvekcBcMhfD4Jyy4hPEBUv pJrXgAR7+5BYTz/OI7z7AzHe6rW61ovMGUMBV21/CTfWXSsPYeQWKjfxiF6PoOmOeHJa ugNq9oGLZOj7KX/mUKsYw9wJWVk8AUyJ5ttc5R+z6I2zWs0ZwVOMky0vxY1iHy7EYauc XvqjN+3neANml4EOspyi8hBcn7VhE1FDUyE5Q6w4XqgWKPqZQMWMiqAADlZ86LPrWZxT kf6Q==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=Z81JQxam; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:17 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 17/21] target/arm: Pass MemOp through get_phys_addr_twostage Date: Sat, 5 Oct 2024 13:05:56 -0700 Message-ID: <20241005200600.493604-18-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::631; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x631.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Pass memop through get_phys_addr_twostage with its recursion with get_phys_addr_nogpc. Signed-off-by: Richard Henderson --- target/arm/ptw.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 0445c3ccf3..f1fca086a4 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -3301,7 +3301,7 @@ static bool get_phys_addr_disabled(CPUARMState *env, static bool get_phys_addr_twostage(CPUARMState *env, S1Translate *ptw, vaddr address, - MMUAccessType access_type, + MMUAccessType access_type, MemOp memop, GetPhysAddrResult *result, ARMMMUFaultInfo *fi) { @@ -3313,7 +3313,8 @@ static bool get_phys_addr_twostage(CPUARMState *env, S1Translate *ptw, ARMSecuritySpace ipa_space; uint64_t hcr; - ret = get_phys_addr_nogpc(env, ptw, address, access_type, 0, result, fi); + ret = get_phys_addr_nogpc(env, ptw, address, access_type, + memop, result, fi); /* If S1 fails, return early. */ if (ret) { @@ -3339,7 +3340,8 @@ static bool get_phys_addr_twostage(CPUARMState *env, S1Translate *ptw, cacheattrs1 = result->cacheattrs; memset(result, 0, sizeof(*result)); - ret = get_phys_addr_nogpc(env, ptw, ipa, access_type, 0, result, fi); + ret = get_phys_addr_nogpc(env, ptw, ipa, access_type, + memop, result, fi); fi->s2addr = ipa; /* Combine the S1 and S2 perms. */ @@ -3469,7 +3471,7 @@ static bool get_phys_addr_nogpc(CPUARMState *env, S1Translate *ptw, if (arm_feature(env, ARM_FEATURE_EL2) && !regime_translation_disabled(env, ARMMMUIdx_Stage2, ptw->in_space)) { return get_phys_addr_twostage(env, ptw, address, access_type, - result, fi); + memop, result, fi); } /* fall through */ From patchwork Sat Oct 5 20:05:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 832999 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1338849wra; Sat, 5 Oct 2024 13:08:31 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCXG6TxOlQ8VzBPKAwEN0gjDbvqWC4Jwog8uAAPW+oKYpaKLyI9pUiTbaSPPcaQ/zC2oFEoreg==@linaro.org X-Google-Smtp-Source: AGHT+IEXhFC2ZlYRnMIbd4IHqHMqwhqtgz4UBUuyhlqQT0cm/6todwZ3MeCm+qK5LPFWJBqMdKDu X-Received: by 2002:a05:622a:1910:b0:45d:8513:f29d with SMTP id d75a77b69052e-45d9ba4d7b7mr85029001cf.20.1728158911719; Sat, 05 Oct 2024 13:08:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728158911; cv=none; d=google.com; s=arc-20240605; b=EOJ+HyPUdzaaMbNfKCPHBJ0R5OG8LEHJByTY16Eunue8UwnxNiIRi8FVTylO2yrkO4 GMwBNIjofpWKDclWf8TVXr0hLwzhMO+3o+DpmefHvEsL3PpTMt2cisgoSW9bOredeaIb 6jUt1TZGk/iwR0ZmAYd745/63RqLUROH9NC+/6rCphWK9pS4cM9prCgxm6ZqSd9WbIRd 5AXk0hQld5qBua86zFuNXNef57zsG6Ohk1PEVXrkczUxY0wYs2kKrF+7LGAzhY0hmtYT FeYeUUM2KMangUi1Zr6Fi9RLuKUC9sa46p7xIoRMBV7Tql1TELoqWhlu1Pn7j78jzdUz yyMQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=9tqb0TUsQOZF/sRJ8YxWqhKeQa3g/EH2JXyCvd2UdW4=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=PeXBwLJswM0B6zN9+Qezvi5dtL7KIL3N7Rv1ZlNMvr+dOv45MaPOUZLFUhFLjYeTen Hmj9su4lt4mS8AtqUJHHJHKt/JqGwqdro2pmkZHA7Q36A5SLlhy8aRDPo/0K7W+ZdusD rfaQqUqQ17maUeSo8/jIppKOypbA9FRvKuEaKr5uBPnZZeCD011qKnZb4jWpHIGz0uv3 ns7/70OoPtqXX/KERaI7fDCD+IMhORZlzrOpqYjU3qRqxX2pH57Blr2fqrpiue0/wHfb rbPMV2mNSN4tzqadqAO3IbRl4cffeqiqhzevDnas5/WDbXXW1hAsnTLPJz2XgPHfy5Ne qSEA==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=Flcb35A3; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:18 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 18/21] target/arm: Pass MemOp to get_phys_addr_lpae Date: Sat, 5 Oct 2024 13:05:57 -0700 Message-ID: <20241005200600.493604-19-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62f.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Pass the value through from get_phys_addr_nogpc. Signed-off-by: Richard Henderson --- target/arm/ptw.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index f1fca086a4..238b2c92a9 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -1684,12 +1684,13 @@ static bool nv_nv1_enabled(CPUARMState *env, S1Translate *ptw) * @ptw: Current and next stage parameters for the walk. * @address: virtual address to get physical address for * @access_type: MMU_DATA_LOAD, MMU_DATA_STORE or MMU_INST_FETCH + * @memop: memory operation feeding this access, or 0 for none * @result: set on translation success, * @fi: set to fault info if the translation fails */ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, uint64_t address, - MMUAccessType access_type, + MMUAccessType access_type, MemOp memop, GetPhysAddrResult *result, ARMMMUFaultInfo *fi) { ARMCPU *cpu = env_archcpu(env); @@ -3534,7 +3535,8 @@ static bool get_phys_addr_nogpc(CPUARMState *env, S1Translate *ptw, } if (regime_using_lpae_format(env, mmu_idx)) { - return get_phys_addr_lpae(env, ptw, address, access_type, result, fi); + return get_phys_addr_lpae(env, ptw, address, access_type, + memop, result, fi); } else if (arm_feature(env, ARM_FEATURE_V7) || regime_sctlr(env, mmu_idx) & SCTLR_XP) { return get_phys_addr_v6(env, ptw, address, access_type, result, fi); From patchwork Sat Oct 5 20:05:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833011 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1339378wra; Sat, 5 Oct 2024 13:10:27 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCVXaeTGQuDl4FKndOx9S3H+6mcrIFbxcC1+dW3GIvCQv1ifadNs2zm9zU3r1GxIFqafUZFIKw==@linaro.org X-Google-Smtp-Source: AGHT+IHXO2cFKG6diaZcB1VfXrvxP7iBgvWoo297T99n25E9HqtexYYHX9E6fBJ0bqGdHGZQkCC0 X-Received: by 2002:a05:6214:5246:b0:6cb:4b70:8ead with SMTP id 6a1803df08f44-6cb9a464997mr125447626d6.37.1728159027679; Sat, 05 Oct 2024 13:10:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728159027; cv=none; d=google.com; s=arc-20240605; b=keQnJttrnlYVAmNg7sy8jIhJ/zDMm0b13JAppgZyfKsZqdOpQcWEiJQdwgo2wNY1lV Two7XXM9kgQ8k60siGBu/NM0EqYkcLUZ9kd9IY0RcWKDcubzszz9WsvurVPZS9dAzyzP GSjSMxv/g6YEZAN7XQ0G2MJZVj2cJwUBWRZVkTzu0JekD4QLMVPAurCJ++bCnn6lNzua TRYy4lQJal+YET8Qs5BKlWK5pSxfle9YFcbAiYfxiZ6godd3GS6En8JjFR0kSLduthIt qc0Q1NeElJzh0n/VgyGMlDMXHg3mlMeUdhKKTdSWfDO4xU7iHLS15MB/AR4sWIt3RYZq h7PQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=/ZHU/9Bj/Yhl/fLIAf9ED9KKjqQvRkGT+c+Pl2SvUJY=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=g7YPovn/LIYlo5hq1HcblzTBPUrzOulzT2Bjgd5lcQP9Ljbc2SOxDDYmzBU6yTgiRC lXichsUSe73Fh43O0iNJotQuauhqfueHZZnNn5WQ0cglSLKh8ismbGuAkRW/ms6r6KMP Azpyw1Zgycr+A6HV4RtjyZUf7BsUMnglNY9vbkaU+L0mjwu3EBW03NOnSuuE9bmCNJou 2A4xlYpV+G5IWmd29tyfg84Wwf7s7hBL6+Z2wjJo2wZkkn/TR3+5rA/03zAJ9iEbz6h4 WKp4ZMjiDBhpgZTBd2sIJWcPtrGbW6ZpE9yT/8lEDnJBZ3PPMGYvQSI/nXZK731FLrfh bR8A==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=iwueuDNe; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:19 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 19/21] target/arm: Move device detection earlier in get_phys_addr_lpae Date: Sat, 5 Oct 2024 13:05:58 -0700 Message-ID: <20241005200600.493604-20-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x632.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Determine cache attributes, and thence Device vs Normal memory, earlier in the function. We have an existing regime_is_stage2 if block into which this can be slotted. Signed-off-by: Richard Henderson --- target/arm/ptw.c | 49 ++++++++++++++++++++++++------------------------ 1 file changed, 25 insertions(+), 24 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 238b2c92a9..0a1a820362 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -2029,8 +2029,20 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, xn = extract64(attrs, 53, 2); result->f.prot = get_S2prot(env, ap, xn, ptw->in_s1_is_el0); } + + result->cacheattrs.is_s2_format = true; + result->cacheattrs.attrs = extract32(attrs, 2, 4); + /* + * Security state does not really affect HCR_EL2.FWB; + * we only need to filter FWB for aa32 or other FEAT. + */ + device = S2_attrs_are_device(arm_hcr_el2_eff(env), + result->cacheattrs.attrs); } else { int nse, ns = extract32(attrs, 5, 1); + uint8_t attrindx; + uint64_t mair; + switch (out_space) { case ARMSS_Root: /* @@ -2102,6 +2114,19 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, */ result->f.prot = get_S1prot(env, mmu_idx, aarch64, ap, xn, pxn, result->f.attrs.space, out_space); + + /* Index into MAIR registers for cache attributes */ + attrindx = extract32(attrs, 2, 3); + mair = env->cp15.mair_el[regime_el(env, mmu_idx)]; + assert(attrindx <= 7); + result->cacheattrs.is_s2_format = false; + result->cacheattrs.attrs = extract64(mair, attrindx * 8, 8); + + /* When in aarch64 mode, and BTI is enabled, remember GP in the TLB. */ + if (aarch64 && cpu_isar_feature(aa64_bti, cpu)) { + result->f.extra.arm.guarded = extract64(attrs, 50, 1); /* GP */ + } + device = S1_attrs_are_device(result->cacheattrs.attrs); } if (!(result->f.prot & (1 << access_type))) { @@ -2131,30 +2156,6 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, result->f.attrs.space = out_space; result->f.attrs.secure = arm_space_is_secure(out_space); - if (regime_is_stage2(mmu_idx)) { - result->cacheattrs.is_s2_format = true; - result->cacheattrs.attrs = extract32(attrs, 2, 4); - /* - * Security state does not really affect HCR_EL2.FWB; - * we only need to filter FWB for aa32 or other FEAT. - */ - device = S2_attrs_are_device(arm_hcr_el2_eff(env), - result->cacheattrs.attrs); - } else { - /* Index into MAIR registers for cache attributes */ - uint8_t attrindx = extract32(attrs, 2, 3); - uint64_t mair = env->cp15.mair_el[regime_el(env, mmu_idx)]; - assert(attrindx <= 7); - result->cacheattrs.is_s2_format = false; - result->cacheattrs.attrs = extract64(mair, attrindx * 8, 8); - - /* When in aarch64 mode, and BTI is enabled, remember GP in the TLB. */ - if (aarch64 && cpu_isar_feature(aa64_bti, cpu)) { - result->f.extra.arm.guarded = extract64(attrs, 50, 1); /* GP */ - } - device = S1_attrs_are_device(result->cacheattrs.attrs); - } - /* * Enable alignment checks on Device memory. * From patchwork Sat Oct 5 20:05:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833009 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1339314wra; Sat, 5 Oct 2024 13:10:13 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCV0OEkiELIXaQwdx+cka+/F3Bzgsav7xIE7yZM35yxEdq7QBvw2LD26G7Ltxs6mYNJWx7caVA==@linaro.org X-Google-Smtp-Source: AGHT+IHUiujdvBeP7Oy8c/MLZPUG5Qk29o0yfywJVb36tnhIoiQ0mOOHRgPmG0dwICKTpAY6yc7x X-Received: by 2002:a05:622a:47c3:b0:45d:9d6c:56e5 with SMTP id d75a77b69052e-45d9d6c58f7mr99529041cf.38.1728159013437; 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:20 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 20/21] target/arm: Add arm_cpu_tlb_fill_align Date: Sat, 5 Oct 2024 13:05:59 -0700 Message-ID: <20241005200600.493604-21-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Fill in the tlb_fill_align hook. So far this is the same as tlb_fill_align_first, except that we can pass memop to get_phys_addr as well. Signed-off-by: Richard Henderson --- target/arm/internals.h | 3 +++ target/arm/cpu.c | 2 +- target/arm/tcg/cpu-v7m.c | 2 +- target/arm/tcg/tlb_helper.c | 27 +++++++++++++++++++++++---- 4 files changed, 28 insertions(+), 6 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index a6088d551c..6916d43009 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -819,6 +819,9 @@ void arm_cpu_record_sigbus(CPUState *cpu, vaddr addr, bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, MMUAccessType access_type, int mmu_idx, bool probe, uintptr_t retaddr); +bool arm_cpu_tlb_fill_align(CPUState *cs, vaddr address, MemOp memop, + int size, MMUAccessType access_type, + int mmu_idx, bool probe, uintptr_t retaddr); #endif static inline int arm_to_core_mmu_idx(ARMMMUIdx mmu_idx) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 08731ed4e0..293eb5949e 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -2663,7 +2663,7 @@ static const TCGCPUOps arm_tcg_ops = { .record_sigsegv = arm_cpu_record_sigsegv, .record_sigbus = arm_cpu_record_sigbus, #else - .tlb_fill_align = tlb_fill_align_first, + .tlb_fill_align = arm_cpu_tlb_fill_align, .tlb_fill = arm_cpu_tlb_fill, .cpu_exec_interrupt = arm_cpu_exec_interrupt, .cpu_exec_halt = arm_cpu_exec_halt, diff --git a/target/arm/tcg/cpu-v7m.c b/target/arm/tcg/cpu-v7m.c index 8874fe0e11..a071979636 100644 --- a/target/arm/tcg/cpu-v7m.c +++ b/target/arm/tcg/cpu-v7m.c @@ -242,7 +242,7 @@ static const TCGCPUOps arm_v7m_tcg_ops = { .record_sigsegv = arm_cpu_record_sigsegv, .record_sigbus = arm_cpu_record_sigbus, #else - .tlb_fill_align = tlb_fill_align_first, + .tlb_fill_align = arm_cpu_tlb_fill_align, .tlb_fill = arm_cpu_tlb_fill, .cpu_exec_interrupt = arm_v7m_cpu_exec_interrupt, .cpu_exec_halt = arm_cpu_exec_halt, diff --git a/target/arm/tcg/tlb_helper.c b/target/arm/tcg/tlb_helper.c index 1d8b7bcaa2..e83ece9462 100644 --- a/target/arm/tcg/tlb_helper.c +++ b/target/arm/tcg/tlb_helper.c @@ -318,9 +318,9 @@ void arm_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, arm_deliver_fault(cpu, addr, access_type, mmu_idx, &fi); } -bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, - MMUAccessType access_type, int mmu_idx, - bool probe, uintptr_t retaddr) +static bool tlb_fill_internal(CPUState *cs, vaddr address, int size, + MMUAccessType access_type, MemOp memop, + int mmu_idx, bool probe, uintptr_t retaddr) { ARMCPU *cpu = ARM_CPU(cs); GetPhysAddrResult res = {}; @@ -344,7 +344,7 @@ bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, * return false. Otherwise populate fsr with ARM DFSR/IFSR fault * register format, and signal the fault. */ - ret = get_phys_addr(&cpu->env, address, access_type, 0, + ret = get_phys_addr(&cpu->env, address, access_type, memop, core_to_arm_mmu_idx(&cpu->env, mmu_idx), &res, fi); if (likely(!ret)) { @@ -371,6 +371,25 @@ bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, arm_deliver_fault(cpu, address, access_type, mmu_idx, fi); } } + +bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr) +{ + return tlb_fill_internal(cs, address, size, access_type, 0, + mmu_idx, probe, retaddr); +} + +bool arm_cpu_tlb_fill_align(CPUState *cs, vaddr address, MemOp memop, + int size, MMUAccessType access_type, + int mmu_idx, bool probe, uintptr_t retaddr) +{ + if (unlikely(address & ((1 << memop_alignment_bits(memop)) - 1))) { + arm_cpu_do_unaligned_access(cs, address, access_type, mmu_idx, retaddr); + } + return tlb_fill_internal(cs, address, size, access_type, memop, + mmu_idx, probe, retaddr); +} #else void arm_cpu_record_sigsegv(CPUState *cs, vaddr addr, MMUAccessType access_type, From patchwork Sat Oct 5 20:06:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 833012 Delivered-To: patch@linaro.org Received: by 2002:adf:8b52:0:b0:367:895a:4699 with SMTP id v18csp1339392wra; Sat, 5 Oct 2024 13:10:30 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCUbO+Bhr2rEQyzxepbze/9URysY19+SD/em4CDQsQmuLsY4g/zFUcQOXLa3/25VXlLAn6IoQA==@linaro.org X-Google-Smtp-Source: AGHT+IENbv1zdXXXPSGUBUG+g6ZYcZ9vQ01X0eK7dOHNDQ+hJT938+mn25l4Ziwda9M49q17DFEx X-Received: by 2002:ad4:4ba7:0:b0:6cb:9c0a:d7ad with SMTP id 6a1803df08f44-6cb9c0ad7b0mr81983546d6.10.1728159030092; Sat, 05 Oct 2024 13:10:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728159030; cv=none; d=google.com; s=arc-20240605; b=jABoEVFRpQR9y3aWnP7PyCU+eRV9Oyl8kZUrCZNZScF3ElcK6WYjtKihWzCcpYeOI1 VDMq1NufR0s7V/rFJdX5OTh7X2/ChdqvEMBRY5/wq2dA2JPeBp91Te8ahWPkdzodL/mN irxf6yP9CNY2AbMbjzXLcIas7S4iqj7dmPsd7AbzUU0c5RSW7plMHgS0esh12HP2l0lI GO4q5USs052MbPLhSDSbsKUVx8wvLuCsZie5UyCqJ/5C2KYuyZ2hVTUUxAz+YXvUQTkg vnvks0yAjhK973oNc/k7OvG3hTisnfwLuXN/tzr6WwscGQFT7TZ6fCjE2AOOehJoe2AU dizA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=OPq3M0kuo1Nn8l2/hQhKXzGFF76ZzptYhUbdCidOcco=; fh=rQg8EQ8KH04w/0VkDYF6/ktgEyHJ2dqn1eatHCfBaLw=; b=XRdP3R9vO1rXXkvATlEahybT5cvMbz5vxg6XRLub3zlwcCtzDU14zcgUk4sjeJh0fN dP2LUFSeeuX4TdJWqTz9XZIRlSj+rI2E0ogAtiA+cNkJ0KQMgjnRAFUaYfzhDJOcKJFH uKdrePlMtOWI2eoZPWvCDsgwp9+5qdKjvHGkIwJtudgFUsCdZraYkD9ZkMoPBSkuwkyX xV7skpvlD2CoRstUcenw//DBvcdlRRRQjjJn90tkcTxWyklJIin16wsBJPp7cDqSIW3P xqroGdpma0CCWg0GqEv85/dhHL7hS3sEXoMvr3rFKYM7h0AbeuCpdSE4r9i5o0qQfZIa 2MuQ==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=ctumXebQ; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20c13931055sm16493405ad.139.2024.10.05.13.06.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:06:21 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@kernel.org, peter.maydell@linaro.org, alex.bennee@linaro.org, linux-parisc@vger.kernel.org, qemu-arm@nongnu.org Subject: [PATCH v2 21/21] target/arm: Fix alignment fault priority in get_phys_addr_lpae Date: Sat, 5 Oct 2024 13:06:00 -0700 Message-ID: <20241005200600.493604-22-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241005200600.493604-1-richard.henderson@linaro.org> References: <20241005200600.493604-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x632.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Now that we have the MemOp for the access, we can order the alignment fault caused by memory type before the permission fault for the page. For subsequent page hits, permission and stage 2 checks are known to pass, and so the TLB_CHECK_ALIGNED fault raised in generic code is not mis-ordered. Signed-off-by: Richard Henderson --- target/arm/ptw.c | 51 ++++++++++++++++++++++++++++-------------------- 1 file changed, 30 insertions(+), 21 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 0a1a820362..dd40268397 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -2129,6 +2129,36 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, device = S1_attrs_are_device(result->cacheattrs.attrs); } + /* + * Enable alignment checks on Device memory. + * + * Per R_XCHFJ, the correct ordering for alignment, permission, + * and stage 2 faults is: + * - Alignment fault caused by the memory type + * - Permission fault + * - A stage 2 fault on the memory access + * Perform the alignment check now, so that we recognize it in + * the correct order. Set TLB_CHECK_ALIGNED so that any subsequent + * softmmu tlb hit will also check the alignment; clear along the + * non-device path so that tlb_fill_flags is consistent in the + * event of restart_atomic_update. + * + * In v7, for a CPU without the Virtualization Extensions this + * access is UNPREDICTABLE; we choose to make it take the alignment + * fault as is required for a v7VE CPU. (QEMU doesn't emulate any + * CPUs with ARM_FEATURE_LPAE but not ARM_FEATURE_V7VE anyway.) + */ + if (device) { + unsigned a_bits = memop_atomicity_bits(memop); + if (address & ((1 << a_bits) - 1)) { + fi->type = ARMFault_Alignment; + goto do_fault; + } + result->f.tlb_fill_flags = TLB_CHECK_ALIGNED; + } else { + result->f.tlb_fill_flags = 0; + } + if (!(result->f.prot & (1 << access_type))) { fi->type = ARMFault_Permission; goto do_fault; @@ -2156,27 +2186,6 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw, result->f.attrs.space = out_space; result->f.attrs.secure = arm_space_is_secure(out_space); - /* - * Enable alignment checks on Device memory. - * - * Per R_XCHFJ, this check is mis-ordered. The correct ordering - * for alignment, permission, and stage 2 faults should be: - * - Alignment fault caused by the memory type - * - Permission fault - * - A stage 2 fault on the memory access - * but due to the way the TCG softmmu TLB operates, we will have - * implicitly done the permission check and the stage2 lookup in - * finding the TLB entry, so the alignment check cannot be done sooner. - * - * In v7, for a CPU without the Virtualization Extensions this - * access is UNPREDICTABLE; we choose to make it take the alignment - * fault as is required for a v7VE CPU. (QEMU doesn't emulate any - * CPUs with ARM_FEATURE_LPAE but not ARM_FEATURE_V7VE anyway.) - */ - if (device) { - result->f.tlb_fill_flags |= TLB_CHECK_ALIGNED; - } - /* * For FEAT_LPA2 and effective DS, the SH field in the attributes * was re-purposed for output address bits. The SH attribute in