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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45d9ed30110sm16004845f8f.13.2026.05.15.07.12.16 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 15 May 2026 07:12:17 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Peter Maydell , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Richard Henderson , qemu-arm@nongnu.org, Joel Stanley , Kane Chen , Troy Lee , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Pierrick Bouvier , Jamin Lin , Steven Lee , Andrew Jeffery , Manos Pitsidianakis Subject: [PATCH v6 14/20] target/arm: Implement DBGDEVID* registers in max AArch32 CPU Date: Fri, 15 May 2026 16:10:25 +0200 Message-ID: <20260515141032.3271-15-philmd@linaro.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260515141032.3271-1-philmd@linaro.org> References: <20260515141032.3271-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::42f; envelope-from=philmd@linaro.org; helo=mail-wr1-x42f.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 32-bit ARM max CPU is a 'Cortex-A57 advertising none of the AArch64 features'. Keep it as close as possible as the A57, by implementing the debug ID registers, following the changes in aarch64_a57_initfn added by commits 48eb3ae64b3 ("target-arm: Adjust debug ID registers per-CPU") and 09754ca867f ("target/arm: Implement AArch32 DBGDEVID, DBGDEVID1, DBGDEVID2"). Signed-off-by: Philippe Mathieu-Daudé --- target/arm/tcg/cpu32.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/arm/tcg/cpu32.c b/target/arm/tcg/cpu32.c index cf643ce43b1..2e8afc28602 100644 --- a/target/arm/tcg/cpu32.c +++ b/target/arm/tcg/cpu32.c @@ -755,6 +755,9 @@ static void arm_max_initfn(Object *obj) SET_IDREG(isar, ID_ISAR4, 0x00011142); SET_IDREG(isar, ID_ISAR5, 0x00011121); SET_IDREG(isar, ID_ISAR6, 0); + cpu->isar.dbgdidr = 0x3516d000; + cpu->isar.dbgdevid = 0x01110f13; + cpu->isar.dbgdevid1 = 0x2; cpu->isar.reset_pmcr_el0 = 0x41013000; SET_IDREG(isar, CLIDR, 0x0a200023); /* 32KB L1 dcache */ -- 2.53.0