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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b79c3ac158sm45805210f8f.4.2025.08.12.10.32.37 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 12 Aug 2025 10:32:37 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alexander Graf , Mads Ynddal , Peter Maydell , qemu-arm@nongnu.org Subject: [RFC PATCH v2 10/10] target/arm/hvf: Allow EL2/EL3 emulation on Silicon M1 / M2 Date: Tue, 12 Aug 2025 19:32:34 +0200 Message-ID: <20250812173234.86970-1-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250812172823.86329-1-philmd@linaro.org> References: <20250812172823.86329-1-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: 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 Signed-off-by: Philippe Mathieu-Daudé --- Another API PoC. --- target/arm/hvf/hvf.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index 84c0c0275d6..df63584f456 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -17,6 +17,7 @@ #include "system/hvf.h" #include "system/hvf_int.h" #include "system/hw_accel.h" +#include "system/tcg.h" #include "hvf_arm.h" #include "cpregs.h" #include "cpu-sysregs.h" @@ -585,11 +586,14 @@ bool host_cpu_feature_supported(enum arm_features feature) case ARM_FEATURE_GENERIC_TIMER: return true; case ARM_FEATURE_EL2: + if (tcg_enabled()) { + return true; + } ret = hv_vm_config_get_el2_supported(&supported); assert_hvf_ok(ret); return supported; case ARM_FEATURE_EL3: - return false; + return tcg_enabled(); default: g_assert_not_reached(); } -- 2.49.0