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Iglesias" , Pierrick Bouvier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [RFC PATCH RESEND 23/42] target/arm: Implement SysemuCPUOps::can_accelerate() handler Date: Fri, 20 Jun 2025 19:27:31 +0200 Message-ID: <20250620172751.94231-24-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250620172751.94231-1-philmd@linaro.org> References: <20250620172751.94231-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::335; envelope-from=philmd@linaro.org; helo=mail-wm1-x335.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1750458187093116600 ARM hardware can only accelerate EL0 and EL1. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- target/arm/cpu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index ab5fbd9b40b..1a19e5cfb45 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -149,6 +149,13 @@ static bool arm_cpu_has_work(CPUState *cs) | CPU_INTERRUPT_VFIQ | CPU_INTERRUPT_VIRQ | CPU_INTERRUPT_VSERR | CPU_INTERRUPT_EXITTB); } + +static bool arm_cpu_can_accelerate(CPUState *cs) +{ + CPUARMState *env =3D cpu_env(cs); + + return arm_current_el(env) < 2; +} #endif /* !CONFIG_USER_ONLY */ =20 void arm_register_pre_el_change_hook(ARMCPU *cpu, ARMELChangeHookFn *hook, @@ -2695,6 +2702,7 @@ static vaddr aarch64_untagged_addr(CPUState *cs, vadd= r x) =20 static const struct SysemuCPUOps arm_sysemu_ops =3D { .has_work =3D arm_cpu_has_work, + .can_accelerate =3D arm_cpu_can_accelerate, .get_phys_page_attrs_debug =3D arm_cpu_get_phys_page_attrs_debug, .asidx_from_attrs =3D arm_asidx_from_attrs, .write_elf32_note =3D arm_cpu_write_elf32_note, --=20 2.49.0