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Tue, 19 May 2026 23:36:12 -0700 (PDT) Received: from jchang-1875.internal.sifive.com ([136.226.240.181]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-36959ca0fa5sm8364342a91.3.2026.05.19.23.36.10 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 19 May 2026 23:36:11 -0700 (PDT) From: Jay Chang To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Chao Liu , Jay Chang Subject: [PATCH v5 0/2] target/riscv: Fix PMP address alignment Date: Wed, 20 May 2026 14:36:04 +0800 Message-ID: <20260520063606.36600-1-jay.chang@sifive.com> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1032; envelope-from=jay.chang@sifive.com; helo=mail-pj1-x1032.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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This series fixes PMP address alignment to comply with the RISC-V specification WARL (Write-Any, Read-Legal) semantics. When configuring pmpcfg (TOR, NA4, or NAPOT) and pmpaddr, if the value is smaller than the PMP granularity, it needs to be aligned to the PMP granularity. Chagnes in v5: - Use uint64_t for granule, in preparation for upcoming single-binary work: https://lore.kernel.org/qemu-devel/20260515180437.23620-1-anjo@rev.ng/ Changes in v4: - Rebase riscv-to-apply.next Changes in v3: - Use ROUND_UP() macro for NAPOT address alignment Changes in v2: - Fixed commit message grammar ("it needs to be aligned") - Use ROUND_DOWN() macro for TOR address alignment to improve code readability Jay Chang (2): target/riscv: Align pmp size to pmp-granularity target/riscv: Improve PMP address alignment readability target/riscv/pmp.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) -- 2.48.1